CN110307196A - Horizontal coring drilling machine and propelling hydraulic system thereof - Google Patents
Horizontal coring drilling machine and propelling hydraulic system thereof Download PDFInfo
- Publication number
- CN110307196A CN110307196A CN201910691099.7A CN201910691099A CN110307196A CN 110307196 A CN110307196 A CN 110307196A CN 201910691099 A CN201910691099 A CN 201910691099A CN 110307196 A CN110307196 A CN 110307196A
- Authority
- CN
- China
- Prior art keywords
- oil
- valve
- auxiliary
- control
- rodless cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 156
- 239000003921 oil Substances 0.000 claims description 345
- 239000007788 liquid Substances 0.000 claims description 56
- 239000002828 fuel tank Substances 0.000 claims description 33
- 239000012530 fluid Substances 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 8
- 239000010729 system oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/086—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with a fluid-actuated cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/023—Excess flow valves, e.g. for locking cylinders in case of hose burst
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
Landscapes
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a propelling hydraulic system of a horizontal coring drilling machine, which comprises: a propulsion cylinder; a rodless cavity oil circuit; a rod cavity oil circuit; the oil pump comprises a main oil inlet path and an auxiliary oil inlet path, wherein the auxiliary oil inlet path is provided with a first switch control valve; a main oil return path and an auxiliary oil return path; an oil inlet P1 and an oil return port T1 of the master control reversing valve are correspondingly connected with a main oil inlet path and a main oil return path respectively, and a working oil port A1 and a working oil port B1 of the master control reversing valve are correspondingly connected with a rodless cavity oil path and a rod cavity oil path respectively; an oil inlet P2 and an oil return port T2 of the auxiliary control reversing valve are correspondingly connected with an auxiliary oil inlet path and an auxiliary oil return path respectively, and a working oil port A2 and a working oil port B2 of the auxiliary control reversing valve are correspondingly connected with a rodless cavity oil path and a rod cavity oil path respectively. The propelling hydraulic system can realize slow extending, fast retracting and fast extending actions of the propelling oil cylinder. The invention also discloses a horizontal coring drilling machine comprising the propelling hydraulic system of the horizontal coring drilling machine.
Description
Technical field
The present invention relates to technical field of hydraulic pressure, more specifically to a kind of propulsion hydraulic system of horizontal core drilling rig,
Moreover, it relates to a kind of horizontal core drilling rig of the propulsion hydraulic system including above-mentioned horizontal core drilling rig.
Background technique
In the construction process of Tunnel Engineering, usually before tunnel excavation, the ground first to location locating for tunnel is needed
Matter situation is explored.
In the prior art, the extending direction usually on the ground along tunnel takes a little, and is being taken a little using vertical core drilling rig
Position drills straight down from ground, and the core sample on stratum is obtained with this, by the geology for obtaining tunnel to the analysis of core sample
Condition.
However, the operating condition of vertical core drilling rig usually only includes the operating condition of retracting in the case of drilling condition and non-drilling, it is right
Ying Di, the propulsion hydraulic system suitable for existing vertical core drilling rig are also relatively simple, it is difficult to suitable level long range core drill
Machine.
In recent years, in order to which difficulty when solving to carry out geological prospecting using the vertical core drilling rig tunnel very big to buried depth is big
With problem at high cost, horizontal core drilling rig obtains research and development, and horizontal core drilling rig is using the extension side along tunnel
To the mode of horizontal drilling coring, drilling distance is very long, for example, can reach km or even longer.It is understood that right
In this drilling apart from longer horizontal core drilling rig, it usually needs the continued access drilling rod in drilling process needs to improve efficiency
Drilling rod is set quickly to retract and stretch out in the case where non-drilling, and in drilling condition, need to guarantee that drilling rod is crept at a slow speed, because
This, operating condition is more complex.
In order to meet the complex working condition demand crept into apart from longer horizontal core drilling rig, need to design corresponding propulsion liquid
Pressure system, therefore, how to provide it is a kind of be not only able to satisfy drilling condition, but also the water of efficient movement demand when can take into account continued access drilling rod
The propulsion hydraulic system of flat core drilling rig, is a problem to be solved by those skilled in the art.
Summary of the invention
In view of this, can be realized brill the object of the present invention is to provide a kind of propulsion hydraulic system of horizontal core drilling rig
The drilling at a slow speed of bar is quickly retracted and quick extending action.
It is a further object of the present invention to provide a kind of levels of propulsion hydraulic system including above-mentioned horizontal core drilling rig to take
Core drilling machine has quickly retracting when normal drilling condition and non-drilling and quickly stretches out operating condition.
To achieve the goals above, the invention provides the following technical scheme:
A kind of propulsion hydraulic system of horizontal core drilling rig, comprising:
Propelling cylinder for being connected with drilling rod to drive the drilling rod to stretch out or retract；
The rodless cavity oil circuit being connected with the rodless cavity of the propelling cylinder；
The rod chamber oil circuit being connected with the rod chamber of the propelling cylinder；
For supplying the main in-line and auxiliary in-line of oil liquid, the auxiliary in-line is equipped with for controlling the auxiliary in-line
The first switch control valve of on-off；
For being back to the main oil return line and auxiliary oil return line of fuel tank for oil liquid；
Master control reversal valve, the oil inlet P 1 and oil return inlet T 1 of the master control reversal valve respectively with the main in-line and described
Main oil return line is corresponding to be connected, the actuator port A1 and actuator port B1 of the master control reversal valve respectively with the rodless cavity oil circuit and
The rod chamber oil circuit is corresponding to be connected；
For with the master control reversal valve cooperating so that the auxiliary control of the main in-line and auxiliary in-line confluence
Reversal valve, the oil inlet P 2 and oil return inlet T 2 of the auxiliary control reversal valve are corresponding with the auxiliary in-line and the auxiliary oil return line respectively
It is connected, the actuator port A2 and actuator port B2 of the auxiliary control reversal valve are oily with the rodless cavity oil circuit and the rod chamber respectively
Road is corresponding to be connected.
Preferably, further include differential oil line for being connected respectively with the rodless cavity oil circuit and the rod chamber oil circuit,
The differential oil line is equipped with the differential-control valve for controlling the differential oil line on-off.
Preferably, the differential-control valve includes:
Two-way plug-in valve, the hydraulic fluid port A3 and hydraulic fluid port B3 of the two-way plug-in valve respectively with the rod chamber oil circuit and the nothing
Rod cavity oil circuit is corresponding to be connected；
It is connected with the control mouth F3 of the two-way plug-in valve, for controlling the pressure of the control mouth F3 to control described two
The pressure-control valve of the switch state of logical inserted valve.
Preferably, the pressure-control valve includes:
Solenoid ball valve, the oil outlet A4 of the Solenoid ball valve are connected with the control mouth F3, the oil return of the Solenoid ball valve
Mouth T4 is connected with fuel tank；
Shuttle valve, the oil inlet P 51 and oil inlet P 52 of the shuttle valve are oily with the rod chamber oil circuit and the rodless cavity respectively
Road is corresponding to be connected, and the oil outlet A5 of the shuttle valve is connected with the oil inlet P 4 of the Solenoid ball valve.
Preferably, further includes:
With the rodless cavity oil communication, the rodless cavity oil return for being back to fuel tank for the oil liquid in the rodless cavity
Road, the rodless cavity oil return line are equipped with the second switch control valve for controlling the rodless cavity oil return line on-off；
With the rod chamber oil communication, the rod chamber oil return for being back to fuel tank for the oil liquid in the rod chamber
Road, the rod chamber oil return line are equipped with the third switching control pilot for controlling the rod chamber oil return line on-off.
Preferably, at least one of the master control reversal valve and the auxiliary control reversal valve are three position four-way directional control valve, and
The Median Function of the three position four-way directional control valve is Y type.
Preferably, the rod chamber oil circuit is equipped with the 4th for controlling the actuator port B1 on-off of the master control reversal valve
Switching control pilot；The rod chamber oil circuit is equipped with the 5th switch of the actuator port B2 on-off for controlling the auxiliary control reversal valve
Control valve.
Preferably, the main in-line include for providing the volume adjustable hydraulic pump of hydraulic oil for the propelling cylinder, it is described
The control mouth of volume adjustable hydraulic pump is equipped with proportional pressure control valve.
Preferably, further includes:
For detecting the first pressure sensor of the pressure of the rodless cavity；
The controller being connected respectively with the first pressure sensor and the proportional pressure control valve, for according to described first
The detection signal of pressure sensor, control the proportional pressure control valve obtains electric current, so that the output pressure of the volume adjustable hydraulic pump
Power and adaptive load.
A kind of horizontal core drilling rig, including propulsion hydraulic system, the propulsion hydraulic system are that any one of the above is horizontal
The propulsion hydraulic system of core drilling rig.
The propulsion hydraulic system of horizontal core drilling rig provided by the invention, including two hydraulic circuits in parallel, it may be assumed that by leading
The major loop that in-line, master control reversal valve, rodless cavity oil circuit, propelling cylinder, rod chamber oil circuit and main oil return line are formed；By it is auxiliary into
What oil circuit, first switch control valve, auxiliary control reversal valve, rodless cavity oil circuit, propelling cylinder, rod chamber oil circuit and auxiliary oil return line were formed
Auxiliary circuit.
In drilling condition, first switch control valve is closed, and auxiliary circuit is made to be in inoperative shape for horizontal core drilling rig work
State is only worked independently by major loop, and the spool position by adjusting master control reversal valve, make the oil inlet P 1 of master control reversal valve with
Actuator port A1 is connected, and oil return inlet T 1 and actuator port B1 are connected.At this point, the oil liquid in main in-line enters master control reversal valve
After oil inlet P 1, the channel of actuator port A1 is arrived by oil inlet P 1, rodless cavity oil circuit is flowed into, into the rodless cavity of propelling cylinder
It is interior；And fuel-displaced actuator port B1 the leading to oil return inlet T 1 by rod chamber oil circuit, master control reversal valve of propelling cylinder rod chamber
Road is eventually returned to fuel tank.That is, can realize the drilling condition of horizontal core drilling rig by major loop, creep into drilling machine at a slow speed.
When quickly retracting operating condition, first switch control valve is opened, and auxiliary circuit and major loop are made for horizontal core drilling rig work
It is in working condition, and the spool position by adjusting master control reversal valve, makes the oil inlet P 1 and working oil of master control reversal valve
Mouth B1 is connected, and oil return inlet T 1 and actuator port A1 are connected；Meanwhile the spool position by adjusting auxiliary control reversal valve, change auxiliary control
It is connected to the oil inlet P 2 and actuator port B2 of valve, oil return inlet T 2 and actuator port A2 are connected.
At this point, arriving working oil by oil inlet P 1 after the oil liquid in main in-line enters the oil inlet P 1 of master control reversal valve
The channel of mouth B1, flows into rod chamber oil circuit, into the rod chamber of propelling cylinder；And the fuel-displaced of propelling cylinder rodless cavity passes through nothing
Rod cavity oil circuit, master control reversal valve actuator port A1 to the channel of oil return inlet T 1, be eventually returned to fuel tank.
Meanwhile after the oil liquid in auxiliary in-line enters the oil inlet P 2 of auxiliary control reversal valve, working oil is arrived by oil inlet P 2
The channel of mouth B2, flows into rod chamber oil circuit, into the rod chamber of propelling cylinder；And the fuel-displaced of propelling cylinder rodless cavity passes through nothing
Rod cavity oil circuit, auxiliary control reversal valve actuator port A2 to the channel of oil return inlet T 2, be eventually returned to fuel tank.
That is, by making main in-line and auxiliary in-line converge, under the collective effect in major loop and auxiliary circuit, it can be achieved that
Horizontal core drilling rig quickly retracts operating condition, makes drilling rod after the completion of drilling or needs quickly to retract when continued access drilling rod, to improve
Construction efficiency.
When quickly stretching out operating condition, first switch control valve is opened, and auxiliary circuit and major loop are made for horizontal core drilling rig work
It is in working condition, and the spool position by adjusting master control reversal valve, makes the oil inlet P 1 and working oil of master control reversal valve
Mouth A1 is connected, and oil return inlet T 1 and actuator port B1 are connected；Meanwhile the spool position by adjusting auxiliary control reversal valve, change auxiliary control
It is connected to the oil inlet P 2 and actuator port A2 of valve, oil return inlet T 2 and actuator port B2 are connected.
At this point, arriving working oil by oil inlet P 1 after the oil liquid in main in-line enters the oil inlet P 1 of master control reversal valve
The channel of mouth A1, flows into rodless cavity oil circuit, into the rodless cavity of propelling cylinder；And propelling cylinder rod chamber is fuel-displaced by having
Rod cavity oil circuit, master control reversal valve actuator port B1 to the channel of oil return inlet T 1, be eventually returned to fuel tank.
Meanwhile after the oil liquid in auxiliary in-line enters the oil inlet P 2 of auxiliary control reversal valve, working oil is arrived by oil inlet P 2
The channel of mouth A2, flows into rodless cavity oil circuit, into the rodless cavity of propelling cylinder；And propelling cylinder rod chamber is fuel-displaced by having
Rod cavity oil circuit, auxiliary control reversal valve actuator port B2 to the channel of oil return inlet T 2, be eventually returned to fuel tank.
That is, by making main in-line and auxiliary in-line converge, under the collective effect in major loop and auxiliary circuit, it can be achieved that
The quick stretching operating condition of horizontal core drilling rig, making drilling rod, empty promote quickly is stretched out when drilling again after continued access finishing drilling bar, to mention
High construction efficiency.
It in summary it can be seen, the propulsion hydraulic system of horizontal core drilling rig provided by the present application can be realized the slow of drilling rod
Speed drilling is quickly retracted and quick extending action, and compared with the prior art, which is both able to satisfy drilling condition,
Efficient movement demand when continued access drilling rod can be taken into account again.
Horizontal core drilling rig provided by the invention, the propulsion hydraulic system including above-mentioned horizontal core drilling rig have normal
Quickly retracting and quickly stretch out operating condition when drilling condition and non-drilling.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the schematic diagram of the propulsion hydraulic system of horizontal core drilling rig provided by the specific embodiment of the invention.
Appended drawing reference in Fig. 1 is as follows:
1 it is propelling cylinder, 11 be rodless cavity oil circuit, 12 be rod chamber oil circuit, 21 be main in-line, 211 is variable delivery hydraulic
Pump, 212 be proportional pressure control valve, 213 be filter, 214 be the first check valve, 215 be motor, 216 be shaft coupling, based on 22
Oil return line, in-line supplemented by 31,311 be first switch control valve, 312 be second one-way valve, oil return line, 4 are master control supplemented by 32
Reversal valve, 41 be the 4th switching control pilot, 42 be the 6th switching control pilot, 5 be auxiliary control reversal valve, 51 be the 5th switch control
Valve, 52 be the 7th switching control pilot, 6 be differential oil line, 61 be two-way plug-in valve, 62 be Solenoid ball valve, 63 be shuttle valve, 71 be the
One pressure sensor, 72 be second pressure sensor, 8 be auxiliary system oil sources.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Core of the invention is to provide a kind of propulsion hydraulic system of horizontal core drilling rig, can be realized the brill at a slow speed of drilling rod
Into, quickly retract and quick extending action.Another core of the invention is to provide a kind of pushing away including above-mentioned horizontal core drilling rig
Into the horizontal core drilling rig of hydraulic system, there is quickly retracting when normal drilling condition and non-drilling and quickly stretch out operating condition.
Referring to FIG. 1, the principle of the propulsion hydraulic system for horizontal core drilling rig provided by the specific embodiment of the invention
Figure.
The present invention provides a kind of propulsion hydraulic system of horizontal core drilling rig, including propelling cylinder 1, rodless cavity oil circuit 11,
Rod chamber oil circuit 12, main in-line 21, main oil return line 22, auxiliary in-line 31, auxiliary oil return line 32, master control reversal valve 4, auxiliary control commutation
Valve 5 and first switch control valve 311.
Wherein, it main in-line 21, master control reversal valve 4, rodless cavity oil circuit 11, propelling cylinder 1, rod chamber oil circuit 12 and leads back
Oil circuit 22 forms major loop.Auxiliary in-line 31, auxiliary control reversal valve 5, rodless cavity oil circuit 11, promotes oil at first switch control valve 311
Cylinder 1, rod chamber oil circuit 12 and auxiliary oil return line 32 form auxiliary circuit.
It should be noted that the drilling of the flat core drilling rig of 1 water supply of propelling cylinder provides jacking force, propelling cylinder 1
Piston rod is connected with drilling rod, it is preferable that the piston rod of propelling cylinder 1 is connected with drilling rod rotation drive device, and drilling rod and drilling rod revolve
The output shaft of rotary driving device is connected.
In order to which the drilling to horizontal core drilling rig provides sufficient jacking force, at the same avoid 1 volume of propelling cylinder too big and
Inconvenience setting, it is preferable that the quantity of propelling cylinder 1 is two, and two propelling cylinders 1 are arranged in parallel.
Specifically, rodless cavity oil circuit 11 is connected with the rodless cavity of propelling cylinder 1, rod chamber oil circuit 12 and propelling cylinder 1
Rod chamber is connected, and main in-line 21 is used to supply oil liquid for rodless cavity oil circuit 11 or rod chamber oil circuit 12, and main oil return line 22 is used for
It is back to rodless cavity oil circuit 11 or the oil liquid of rod chamber oil circuit 12 in fuel tank, master control reversal valve 4 is for making main in-line 21 can
Switching ground be connected to one of rodless cavity oil circuit 11 and rod chamber oil circuit 12, meanwhile, make main oil return line 22 switchably with nothing
The other of rod cavity oil circuit 11 and rod chamber oil circuit 12 are connected to, and to control the direction of action of propelling cylinder 1, make propelling cylinder 1
It stretches out or retracts.
It should be noted that the present invention to the specific structure of master control reversal valve 4 without limitation, as long as can satisfy following company
Connect relationship, it may be assumed that the oil inlet P 1 of master control reversal valve 4 is connected with main in-line 21, the oil return inlet T 1 of master control reversal valve 4 and master
Oil return line 22 is connected, and two actuator ports of master control reversal valve 4 are connected with rodless cavity oil circuit 11 and rod chamber oil circuit 12 respectively, excellent
The actuator port A1 of selection of land, master control reversal valve 4 is connected with rodless cavity oil circuit 11, the actuator port B1 of master control reversal valve 4 and has bar
Chamber oil circuit 12 is connected.
It is understood that master control reversal valve can be changed with respect to the position of valve body in the spool by changing master control reversal valve 4
4 inner passage makes the actuator port A1 connection corresponding with rodless cavity oil circuit 11 of the oil inlet P 1 of master control reversal valve 4 or makes master control
The actuator port B1 connection corresponding with rod chamber oil circuit 12 of the oil inlet P 1 of reversal valve 4.
When the actuator port A1 connection corresponding with rodless cavity oil circuit 11 of the oil inlet P 1 of master control reversal valve 4, master control commutation
Channel between the oil return inlet T 1 of valve 4 actuator port B1 corresponding with rod chamber oil circuit 12 is connected, at this moment, from master control reversal valve 4
The oil liquid that flows into of oil inlet P 1 via rodless cavity oil circuit 11, flow into rodless cavity；And the oil liquid in rod chamber is via rod chamber
Oil circuit 12 is back in fuel tank from the oil return inlet T 1 of master control reversal valve 4；To make propelling cylinder 1 stretch out, to drive drilling rod to stretch
Out.
When the actuator port B1 connection corresponding with rod chamber oil circuit 12 of the oil inlet P 1 of master control reversal valve 4, master control commutation
Channel between the oil return inlet T 1 of valve 4 actuator port A1 corresponding with rodless cavity oil circuit 11 is connected, at this moment, from master control reversal valve 4
The oil liquid that flows into of oil inlet P 1 via rod chamber oil circuit 12, flow into rod chamber；And the oil liquid in rodless cavity is via rodless cavity
Oil circuit 11 is back in fuel tank from the oil return inlet T 1 of master control reversal valve 4；To make propelling cylinder 1 retract, to drive drilling rod to move back
It returns.
Further, auxiliary in-line 31 is used to supply oil liquid, auxiliary oil return line for rodless cavity oil circuit 11 or rod chamber oil circuit 12
32 for making the oil liquid of rodless cavity oil circuit 11 or rod chamber oil circuit 12 be back to fuel tank, and auxiliary control reversal valve 5 is for making auxiliary in-line
31 are switchably connected to one of rodless cavity oil circuit 11 and rod chamber oil circuit 12, meanwhile, make auxiliary oil return line 32 switchably
It is connected to the other of rodless cavity oil circuit 11 and rod chamber oil circuit 12, to control the direction of action of propelling cylinder 1, makes to promote oil
Cylinder 1 is stretched out or is retracted.First switch control valve 311 is set on auxiliary in-line 31, for controlling the on-off of auxiliary in-line 31.
It should be noted that the present invention to the specific structure of first switch control valve 311 without limitation, as long as can control
The on-off of auxiliary in-line 31.Specifically, in normal drilling process, first switch control valve 311 close, with cut off it is auxiliary into
The oil liquid of oil circuit 31 makes horizontal core drilling rig only under the independent role of major loop, and driving propelling cylinder 1 stretches out at a slow speed.And
When needing continued access drilling rod, first switch control valve 311 is opened, connects the oil liquid of auxiliary in-line 31, and make by auxiliary control reversal valve 5
The oil liquid of the oil liquid of auxiliary in-line 31 and main in-line 21 converges into rod chamber oil circuit 12 or rodless cavity oil circuit 11, thus at auxiliary time
Under the collective effect of road and major loop, drives 1 fast retractile of propelling cylinder or quickly stretch out.
The present invention to the specific structure of auxiliary control reversal valve 5 without limitation, as long as can satisfy following connection relationship,
That is: the oil inlet P 2 of auxiliary control reversal valve 5 is connected with auxiliary in-line 31, the oil return inlet T 2 of auxiliary control reversal valve 5 and auxiliary 32 phase of oil return line
Even, two actuator ports of auxiliary control reversal valve 5 are connected with rodless cavity oil circuit 11 and rod chamber oil circuit 12 respectively, it is preferable that auxiliary control
The actuator port A2 of reversal valve 5 is connected with rodless cavity oil circuit 11, actuator port B2 and 12 phase of rod chamber oil circuit of auxiliary control reversal valve 5
Even.
It is understood that auxiliary in-line 31 and auxiliary control reversal valve 5 can be made when first switch control valve 311 is opened
It connects, and then the inner passage of auxiliary control reversal valve 5 can be changed by the spool of change auxiliary control reversal valve 5 with respect to the position of valve body,
Make the oil inlet P 2 of auxiliary control reversal valve 5 actuator port A2 corresponding with rodless cavity oil circuit 11 connection or make auxiliary control reversal valve 5 into
Hydraulic fluid port P2 actuator port B2 connection corresponding with rod chamber oil circuit 12.
When the actuator port A2 connection corresponding with rodless cavity oil circuit 11 of the oil inlet P 2 of auxiliary control reversal valve 5, auxiliary control commutation
Channel between the oil return inlet T 2 of valve 5 actuator port B2 corresponding with rod chamber oil circuit 12 is connected, at this moment, from auxiliary control reversal valve 5
The oil liquid that flows into of oil inlet P 2 via rodless cavity oil circuit 11, flow into rodless cavity；And the oil liquid in rod chamber is via rod chamber
Oil circuit 12 is back in fuel tank from the oil return inlet T 2 of auxiliary control reversal valve 5；To in the oil liquid and main in-line 21 of auxiliary in-line 31
Oil liquid collective effect under, make propelling cylinder 1 quickly stretch out, to drive drilling rod quickly to stretch out.
When the actuator port B2 connection corresponding with rod chamber oil circuit 12 of the oil inlet P 2 of auxiliary control reversal valve 5, auxiliary control commutation
Channel between the oil return inlet T 2 of valve 5 actuator port A2 corresponding with rodless cavity oil circuit 11 is connected, at this moment, from auxiliary control reversal valve 5
The oil liquid that flows into of oil inlet P 2 via rod chamber oil circuit 12, flow into rod chamber；And the oil liquid in rodless cavity is via rodless cavity
Oil circuit 11 is back in fuel tank from the oil return inlet T 2 of auxiliary control reversal valve 5；To in the oil liquid and main in-line 21 of auxiliary in-line 31
Oil liquid collective effect under, make 1 fast retractile of propelling cylinder, to drive drilling rod quickly to retract.
Mainly include two shunt circuits that is, propulsion hydraulic system provided by the invention, respectively major loop and
Auxiliary circuit.Major loop is mainly used for the drilling condition of the horizontal core drilling rig of realization, that is, passing through the oil liquid pressure of main in-line 21
Power, driving propelling cylinder 1 stretches out at a slow speed, and then realizes the drilling at a slow speed of drilling rod.
Auxiliary circuit and major loop collective effect quickly retract operating condition and fast in non-drilling with the horizontal core drilling rig of realization
Speed stretches out operating condition, retract drilling rod quickly in continued access drilling rod, and when sky pushes in again after continued access drilling rod, keeps drilling rod fast
Speed is stretched out, to improve construction efficiency.
It should be noted that the movement speed of heretofore described propelling cylinder 1 is the relative concept under different operating conditions,
That is, propelling cylinder 1 stretches out or contracts when the stretching speed of horizontal core drilling rig propelling cylinder 1 in drilling condition is less than non-drilling
The speed returned.
For the ease of adjusting the stretching speed of propelling cylinder 1 according to different drilling conditions, as a preferred embodiment,
Master control reversal valve 4 is the proportional direction valve of adjustable flow, to be adjusted by the aperture for adjusting proportional direction valve into rodless cavity
Oil liquid flow, to adjust the stretching speed of propelling cylinder 1.
On the other hand, also adjustable by by the aperture of proportional direction valve when propelling cylinder 1 is quickly retracted or quickly stretched out
It is adjusted to maximum, and improves the flow for entering rod chamber or rodless cavity.
It further include for dividing on the basis of above-described embodiment to further increase the speed that drilling rod quickly stretches out
The differential oil line 6 not being connected with rodless cavity oil circuit 11 and rod chamber oil circuit 12, differential oil line 6 are equipped with for controlling differential oil line 6
The differential-control valve of on-off.
That is, in the present embodiment, when differential-control valve is opened, differential oil line 6, rod chamber oil circuit 12 and rodless cavity
Oil circuit 11 forms differential circuit, and differential circuit can make the fuel feeding of oil liquid and main in-line 21, auxiliary in-line 31 in rod chamber
After converging, enter in rodless cavity together, to further increase propelling cylinder 1 in the case where fuel supply flow rate is certain
Stretching speed.
It should be noted that the present embodiment to the specific structure of differential-control valve without limitation, as long as can control differential
The on-off of oil circuit 6.
As a preferred embodiment, on the basis of above-described embodiment, differential-control valve includes 61 He of two-way plug-in valve
Pressure-control valve, the hydraulic fluid port A3 and hydraulic fluid port B3 of two-way plug-in valve 61 phase corresponding with rod chamber oil circuit 12 and rodless cavity oil circuit 11 respectively
Even, the control mouth F3 of two-way plug-in valve 61 is connected with pressure-control valve, and pressure-control valve is used to control the control of two-way plug-in valve 61
The pressure of donsole F3, to make two-way plug-in valve 61 be in open shape by the pressure for the control mouth F3 for changing two-way plug-in valve 61
State or closed state.
It should be noted that the present embodiment to the specific structure of pressure-control valve without limitation, as long as two-way can be changed
The pressure of the control mouth F3 of inserted valve 61.
As a preferred embodiment, on the basis of above-described embodiment, pressure-control valve includes Solenoid ball valve 62 and shuttle
Valve 63, the oil inlet P 51 and oil inlet P 52 of shuttle valve 63 are corresponding with rod chamber oil circuit 12 and rodless cavity oil circuit 11 respectively to be connected, and uses
It is chosen in by pressure the higher person in rodless cavity and rod chamber；The oil outlet A5 of shuttle valve 63 and the oil inlet P 4 of Solenoid ball valve 62
It is connected；The oil outlet A4 of Solenoid ball valve 62 is connected with the control mouth F3 of two-way plug-in valve 61, the oil return inlet T 4 of Solenoid ball valve 62 with
Fuel tank is connected.
When the channel between the oil inlet P 4 of Solenoid ball valve 62 and the oil outlet A4 of Solenoid ball valve 62 is connected, two can be made
The control mouth F3 of logical inserted valve 61 keeps higher pressure, so that two-way plug-in valve 61 be made to be in close state；Work as Solenoid ball valve
When channel between 62 oil return inlet T 4 and the oil outlet A4 of Solenoid ball valve 62 is connected, the control mouth F3 and oil of two-way plug-in valve 61
Case is connected, to can make two-way plug-in valve 61 after the oil liquid of rod chamber oil circuit 12 enters the hydraulic fluid port A3 of two-way plug-in valve 61
Spool open.
It is understood that in drilling condition and the non-drilling of horizontal core drilling rig quickly when retracting operating condition, electromagnetism
Ball valve 62, which is in, does not obtain electricity condition, at this point, logical between the oil inlet P 4 of Solenoid ball valve 62 and the oil outlet A4 of Solenoid ball valve 62
Road connection, two-way plug-in valve 61 are in close state, and differential oil line 6 disconnects.
For horizontal core drilling rig when quickly stretching out operating condition, Solenoid ball valve 62 must be electric, at this point, the oil return inlet T 4 of Solenoid ball valve 62
Channel between the oil outlet A4 of Solenoid ball valve 62 is connected to, and two-way plug-in valve 61 is opened, and differential oil line 6 is connected, rod chamber oil
Road 12, differential oil line 6 and rodless cavity oil circuit 11 form differential circuit.
In addition, being connected through a screw thread between adjacent drill pipes due in continued access drilling rod, therefore, in the process of assembly and disassembly drilling rod
In, due to the precession or back-out of screw thread, it will lead to the drilling rod being connected with piston rod and generate certain displacement in the axial direction, to make
Piston rod stretches out or retracts corresponding distance, and this requires propelling cylinders 1 to be at quick condition at this time, to adapt to drilling rod
The passive movement for being threaded into or screwing out in disassembly process.
It therefore, further include rodless cavity oil return line and rod chamber oil return line, rodless cavity on the basis of the various embodiments described above
Oil return line is connected to rodless cavity oil circuit 11, for being back to fuel tank for the oil liquid in rodless cavity；Rod chamber oil return line and rod chamber
Oil circuit 12 is connected to, for being back to fuel tank for the oil liquid in rod chamber；Meanwhile rodless cavity oil return line is equipped with for controlling rodless cavity
The second switch control valve of oil return line on-off；Rod chamber oil return line is equipped with the third for controlling rod chamber oil return line on-off and switchs
Control valve.
That is, after so that major loop and auxiliary circuit is stopped working, being changed that is, closing master control respectively when dismounting drilling rod
It is opened to valve 4, first switch control valve 311 and auxiliary control reversal valve 5, then by second switch control valve and third switching control pilot,
It is connected to rodless cavity and rod chamber with fuel tank respectively, to make propelling cylinder 1 be in quick condition, so that propelling cylinder 1 can
Being threaded into or screwing out and passively acting when with dismounting drilling rod.
In order to simplify propulsion hydraulic system, it is contemplated that the quick condition of propelling cylinder 1, it may also is that design,
On the basis of the various embodiments described above, at least one of master control reversal valve 4 and auxiliary control reversal valve 5 are three position four-way directional control valve,
And the Median Function of the three position four-way directional control valve is Y type.In this way, when needing makes propelling cylinder 1 be in quick condition, it is only necessary to
So that master control reversal valve 4 and/or auxiliary control reversal valve 5 is in middle position, then can make propelling cylinder 1 rod chamber and rodless cavity respectively with oil
Case connection, so that propelling cylinder 1 is in quick condition, under external force, for example, be threaded into during assembling and disassembling drilling rod or
When back-out, propelling cylinder 1 can be made passively to act.
As a preferred embodiment, master control reversal valve 4 and auxiliary control reversal valve 5 are three position four-way directional control valve, and master control is changed
Median Function to valve 4 and auxiliary control reversal valve 5 is Y type.
Further, each state for controlling propelling cylinder 1 for convenience, on the basis of above-mentioned each embodiment,
Rod chamber oil circuit 12 is equipped with the 4th switch for controlling the actuator port on-off corresponding with rod chamber oil circuit 12 of master control reversal valve 4
Control valve 41；Rod chamber oil circuit 12 is equipped with for controlling the actuator port on-off corresponding with rod chamber oil circuit 12 of auxiliary control reversal valve 5
The 5th switching control pilot 51.
It is understood that the oil liquid Self-differential oil circuit in rod chamber need to be made when making propelling cylinder 1 form differential circuit
6 flow into rodless cavity.Therefore, it can be avoided at this time from having by closing the 4th switching control pilot 41 and the 5th switching control pilot 51
The oil liquid of rod cavity outflow passes through the 4th switching control pilot 41 and the 5th switching control pilot 51, separately flows into master control reversal valve 4 and oil
The actuator port that the actuator port and auxiliary control reversal valve 5 and fuel tank that case is connected are connected, is eventually returned to fuel tank.
Further, it is contemplated that master control reversal valve 4 and auxiliary control reversal valve 5 respectively it is corresponding with rodless cavity oil circuit 11 be connected
The property easy to control of actuator port.Preferably, rodless cavity oil circuit 11 is equipped with for controlling master control reversal valve 4 and rodless cavity oil circuit 11
6th switching control pilot 42 of corresponding actuator port on-off,；Rodless cavity oil circuit 11 is equipped with for controlling auxiliary control reversal valve 5 and nothing
7th switching control pilot 52 of the corresponding actuator port on-off of rod cavity oil circuit 11.
In view of the flow of the propulsion hydraulic system is larger, it is therefore preferred that first switch control valve 311, second switch
Control valve, third switching control pilot, the 4th switching control pilot 41, the 5th switching control pilot 51, the 6th switching control pilot 42 and
Seven switching control pilots 52 are electro-hydraulic reversing valve.
It is understood that, with the increase of hole spacing, the frictional resistance of drilling rod is got over during long range is crept into
Come it is bigger, therefore, load it is increasing, in order to which the pressure for enabling main in-line 21 to export is consistent with loading demand, as
A kind of preferred embodiment, on the basis of above-mentioned each embodiment, main in-line 21 includes hydraulic for providing for propelling cylinder 1
The volume adjustable hydraulic pump 211 of oil, the control mouth of volume adjustable hydraulic pump 211 are equipped with the outlet pressure for regulated variable hydraulic pump 211
Proportional pressure control valve 212.
That is, the present embodiment is by adjusting the electric current for being added to proportional pressure control valve 212 come regulated variable hydraulic pump 211
Output pressure, so that the output pressure of volume adjustable hydraulic pump 211 and loading demand be made to be adapted.
It is also wrapped on the basis of above-described embodiment to improve the accuracy of 211 output pressure of volume adjustable hydraulic pump control
Include first pressure sensor 71 and controller, first pressure sensor 71 is used to detect the pressure of rodless cavity and is detected
Pressure signal is sent to controller, and the input terminal of controller is connected with first pressure sensor 71, the output end of controller with than
Example overflow valve 212 is connected, and after controller receives the pressure signal of the transmission of first pressure sensor 71, controller is according to the pressure
Force signal control proportional pressure control valve 212 obtains electric current, so that the output pressure and adaptive load of volume adjustable hydraulic pump 211.
That is, the present embodiment passes through the detection signal of first pressure sensor 71, carry out feedback control proportional pressure control valve 212
Electric current is obtained, and then controls the output pressure of volume adjustable hydraulic pump 211, fits the output pressure of volume adjustable hydraulic pump 211 mutually with load
It answers, the control precision that the output pressure of volume adjustable hydraulic pump 211 is adjusted on the one hand can be improved, another aspect can reduce energy consumption.
It further include having for detecting on the basis of above-described embodiment in order to the pressure of real-time monitoring rod chamber
The second pressure sensor 72 of the pressure of rod cavity.
In view of the control of main 21 oil liquid pressure of in-line, as a preferred embodiment, main in-line 21 include for for
Oil sources needed for horizontal core drilling rig is normally crept into provides the motor 215 of power, the output shaft and volume adjustable hydraulic pump of motor 215
211 input shaft is connected by shaft coupling 216, and the output power of motor 215 is transferred to volume adjustable hydraulic pump 211.
Further, in order to guarantee horizontal core drilling rig propulsion hydraulic system steady running, main in-line 21 also wraps
Include be connected with the outlet side of volume adjustable hydraulic pump 211, the filter that the oil liquid for volume adjustable hydraulic pump 211 to be discharged is filtered
213, to protect each Hydraulic Elements, improve the service life of each Hydraulic Elements.
In addition, oil liquid flows back to volume adjustable hydraulic pump 211 in order to prevent, main in-line 21 is equipped with for making oil liquid only by variable
211 one-way flow of hydraulic pump enters the first check valve 214 of master control reversal valve 4.
In addition, in order to guarantee required auxiliary flow on the basis of not increasing the quantity of hydraulic pump additionally, above-mentioned each
On the basis of embodiment, auxiliary in-line 31 with the auxiliary system oil sources 8 of horizontal core drilling rig for being connected.
That is, making full use of the auxiliary system oil sources 8 of horizontal core drilling rig in the present embodiment, auxiliary in-line 31 is not necessarily to volume
Outer setting hydraulic pump, it is only necessary to auxiliary in-line 31 be connected with the auxiliary system oil sources 8 of horizontal core drilling rig, pass through horizontal coring
The auxiliary system oil sources 8 of drilling machine provides the make-up flow of auxiliary to propelling cylinder 1.
Oil liquid flows back to auxiliary system oil sources 8 in order to prevent, and auxiliary in-line 31 is equipped with for making oil liquid only by auxiliary system
Oil sources 8 unidirectionally flows into the second one-way valve 312 of auxiliary control reversal valve 5.
Below by taking propulsion hydraulic system shown in FIG. 1 as an example, its working principle is discussed in detail.
Firstly the need of explanation, the master control reversal valve 4 in Fig. 1 is proportional direction valve, passes through control proportional direction valve
Electric size of current is obtained, can control the aperture of proportional direction valve, and then can be adjusted according to practical drilling condition into rodless cavity
Flow, to adjust the rate of penetration of horizontal core drilling rig.
Wherein, master control reversal valve 4 and auxiliary control reversal valve 5 are three position four-way directional control valve, and master control reversal valve 4 and auxiliary control are changed
Median Function to valve 5 is Y type.
First switch control valve 311, the 4th switching control pilot 41, the switch control of the 5th switching control pilot the 51, the 6th in Fig. 1
Valve 42 and the 7th switching control pilot 52 processed are electro-hydraulic reversing valve.
First, in drilling condition, volume adjustable hydraulic pump 211 starts, the right position of master control reversal valve 4 for horizontal core drilling rig work
It is electric, the 4th switching control pilot 41 and the 6th switching control pilot 42 it is electric, the pressure oil liquid of volume adjustable hydraulic pump 211 is by filtering
Device 213, the first check valve 214, master control reversal valve 4 oil inlet P 1 arrive the channel actuator port A1, then through the 6th switching control pilot
42 reach the rodless cavity of propelling cylinder 1；The fuel-displaced of the rod chamber of propelling cylinder 1 is changed by the arrival master control of the 4th switching control pilot 41
Actuator port B1 to the actuator port B1 of valve 4, then through master control reversal valve 4 is eventually returned to fuel tank to the channel of oil return inlet T 1.
In the drilling condition, the pressure of 71 real-time detection rodless cavity of first pressure sensor, and the pressure detected
Force signal is sent to controller, and controller is given the corresponding electric current of proportional pressure control valve 212, made according to received pressure signal
The output pressure of volume adjustable hydraulic pump 211 and load are adapted.
Second, when quickly retracting operating condition, the left position of master control reversal valve 4 obtains electric, the 4th switch for horizontal core drilling rig work
Control valve 41 and the 6th switching control pilot 42 it is electric, the pressure oil liquid of volume adjustable hydraulic pump 211 is single by filter 213, first
The channel actuator port B1 is arrived to the oil inlet P 1 of valve 214, master control reversal valve 4, then is reached through the 4th switching control pilot 41 and promotes oil
The rod chamber of cylinder 1；The fuel-displaced work that master control reversal valve 4 is reached by the 6th switching control pilot 42 of the rodless cavity of propelling cylinder 1
Hydraulic fluid port A1, then the actuator port A1 through master control reversal valve 4 are eventually returned to fuel tank to the channel of oil return inlet T 1.
Meanwhile first switch control valve 311 it is electric, the left position of auxiliary control reversal valve 5 obtains electric, the 5th switching control pilot 51 and the
Seven switching control pilots 52 it is electric, the pressure oil liquid of the auxiliary system from horizontal core drilling rig is through second one-way valve 312, auxiliary control
The oil inlet P 2 of reversal valve 5 arrives the channel actuator port B2, then enters the rod chamber of propelling cylinder 1 through the 5th switching control pilot 51；
The rodless cavity of propelling cylinder 1 it is fuel-displaced by the 7th switching control pilot 52, auxiliary control reversal valve 5 actuator port A2 to oil return inlet T 2
Channel is eventually returned to fuel tank.
Third, when quickly stretching out operating condition, the right position of master control reversal valve 4 obtains electric, the 6th switch for horizontal core drilling rig work
Control valve 42 it is electric, the pressure oil liquid of volume adjustable hydraulic pump 211 is by filter 213, the first check valve 214, master control reversal valve 4
Oil inlet P 1 arrives the channel actuator port A1, then the rodless cavity of propelling cylinder 1 is reached through the 6th switching control pilot 42.
Meanwhile first switch control valve 311 it is electric, the right position of auxiliary control reversal valve 5 obtains electric, the 7th switching control pilot 52
Electricity, the pressure oil liquid of the auxiliary system from horizontal core drilling rig is through second one-way valve 312, the oil inlet P 2 of auxiliary control reversal valve 5
To the channel actuator port A2, then the rodless cavity through the 7th switching control pilot 52 entrance propelling cylinder 1.
Meanwhile Solenoid ball valve 62 must be electric, and the control mouth F3 of two-way plug-in valve 61 is made to lead to fuel tank, the rod chamber of propelling cylinder 1
Fuel-displaced arrival two-way plug-in valve 61 hydraulic fluid port A3 after the spool of two-way plug-in valve 61 is opened, oil liquid passes through two-way plug-in valve 61
Hydraulic fluid port B3 after, with the oil liquid flowed out from the 6th switching control pilot 42 and from the 7th switching control pilot 52 flow out oil liquid converge
Enter the rodless cavity of propelling cylinder 1 together afterwards, to make propelling cylinder 1 form differential circuit, in volume adjustable hydraulic pump 211 and auxiliary
In the case that the fuel supply flow rate of system is certain, the stretching speed of propelling cylinder 1 is substantially increased.
4th, horizontal core drilling rig work is in floating operating condition, first switch control valve 311, master control reversal valve 4, auxiliary control
Reversal valve 5 and Solenoid ball valve 62 power off, and master control reversal valve 4 and auxiliary control reversal valve 5 are in middle position.At this point, the 4th switch control
Valve 41 and the 6th switching control pilot 42 processed it is electric, alternatively, the 5th switching control pilot 51 and the 7th switching control pilot 52 it is electric,
Alternatively, the 4th switching control pilot 41, the 6th switching control pilot 42, the 5th switching control pilot 51 and the 7th switching control pilot 52 obtain
Electricity.The rodless cavity of propelling cylinder 1 by the 6th switching control pilot 42, master control reversal valve 4 actuator port A1 to oil return inlet T 1
Channel is connected to fuel tank, and the rod chamber of propelling cylinder 1 passes through the 4th switching control pilot 41, the actuator port B1 of master control reversal valve 4
It is connected to the channel of oil return inlet T 1 with fuel tank；And/or the rodless cavity of propelling cylinder 1 is changed by the 7th switching control pilot 52, auxiliary control
It is connected to the channel of actuator port A2 to the oil return inlet T 2 of valve 5 with fuel tank；The rod chamber of propelling cylinder 1 passes through the 5th switch control
The channel of actuator port B2 to the oil return inlet T 2 of valve 51, auxiliary control reversal valve 5 is connected to fuel tank.
In addition to the propulsion hydraulic system of above-mentioned horizontal core drilling rig, the present invention also provides one kind to disclose including above-described embodiment
Propulsion hydraulic system horizontal core drilling rig, the mechanical structure of other each sections of the horizontal core drilling rig please refers to existing skill
Art, repeats no more herein.
Main improvement of the invention is that the propulsion hydraulic system by horizontal core drilling rig in the prior art is improved to
The propulsion hydraulic system of horizontal core drilling rig disclosed in any one above-mentioned embodiment bores at a slow speed so that horizontal core drilling rig has
Into the rewind operating condition and F.F. operating condition in the case of operating condition, non-drilling, to meet in normal drilling demand and long range drilling process
Quick continuous bar demand.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
Horizontal core drilling rig provided by the present invention and its propulsion hydraulic system are described in detail above.Herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention.It should be pointed out that for those skilled in the art, not taking off
, can be with several improvements and modifications are made to the present invention under the premise of from the principle of the invention, these improvement and modification also fall into this
In invention scope of protection of the claims.
Claims (10)
1. a kind of propulsion hydraulic system of horizontal core drilling rig characterized by comprising
Propelling cylinder (1) for being connected with drilling rod to drive the drilling rod to stretch out or retract；
The rodless cavity oil circuit (11) being connected with the rodless cavity of the propelling cylinder (1)；
The rod chamber oil circuit (12) being connected with the rod chamber of the propelling cylinder (1)；
For supplying the main in-line (21) and auxiliary in-line (31) of oil liquid, the auxiliary in-line (31) is equipped with described for controlling
The first switch control valve (311) of auxiliary in-line (31) on-off；
For being back to the main oil return line (22) and auxiliary oil return line (32) of fuel tank for oil liquid；
Master control reversal valve (4), the oil inlet P 1 and oil return inlet T 1 of the master control reversal valve (4) respectively with the main in-line (21)
Be connected with main oil return line (22) correspondence, the actuator port A1 and actuator port B1 of the master control reversal valve (4) respectively with institute
Rodless cavity oil circuit (11) is stated to be connected with the rod chamber oil circuit (12) correspondence；
For with master control reversal valve (4) cooperating so that the main in-line (21) and the auxiliary in-line (31) confluence
Auxiliary control reversal valve (5), the oil inlet P 2 and oil return inlet T 2 of the auxiliary control reversal valve (5) respectively with the auxiliary in-line (31) and
The auxiliary oil return line (32) is corresponding to be connected, the actuator port A2 and actuator port B2 of the auxiliary control reversal valve (5) respectively with it is described
Rodless cavity oil circuit (11) is connected with the rod chamber oil circuit (12) correspondence.
2. the propulsion hydraulic system of horizontal core drilling rig according to claim 1, which is characterized in that further include for distinguishing
The differential oil line (6) being connected with the rodless cavity oil circuit (11) and the rod chamber oil circuit (12), the differential oil line (6) are equipped with
For controlling the differential-control valve of the differential oil line (6) on-off.
3. the propulsion hydraulic system of horizontal core drilling rig according to claim 2, which is characterized in that the differential-control valve
Include:
Two-way plug-in valve (61), the hydraulic fluid port A3 and hydraulic fluid port B3 of the two-way plug-in valve (61) respectively with the rod chamber oil circuit (12)
It is connected with the rodless cavity oil circuit (11) correspondence；
It is connected with the control mouth F3 of the two-way plug-in valve (61), for controlling the pressure of the control mouth F3 to control described two
The pressure-control valve of the switch state of logical inserted valve (61).
4. the propulsion hydraulic system of horizontal core drilling rig according to claim 3, which is characterized in that the pressure-control valve
Include:
The oil outlet A4 of Solenoid ball valve (62), the Solenoid ball valve (62) is connected with the control mouth F3, the Solenoid ball valve
(62) oil return inlet T 4 is connected with fuel tank；
Shuttle valve (63), the oil inlet P 51 and oil inlet P 52 of the shuttle valve (63) respectively with the rod chamber oil circuit (12) and described
Rodless cavity oil circuit (11) is corresponding to be connected, 4 phase of oil inlet P of the oil outlet A5 and the Solenoid ball valve (62) of the shuttle valve (63)
Even.
5. the propulsion hydraulic system of horizontal core drilling rig according to claim 1-4, which is characterized in that also wrap
It includes:
It is connected to the rodless cavity oil circuit (11), the rodless cavity oil return for being back to fuel tank for the oil liquid in the rodless cavity
Road, the rodless cavity oil return line are equipped with the second switch control valve for controlling the rodless cavity oil return line on-off；
It is connected to the rod chamber oil circuit (12), the rod chamber oil return for being back to fuel tank for the oil liquid in the rod chamber
Road, the rod chamber oil return line are equipped with the third switching control pilot for controlling the rod chamber oil return line on-off.
6. the propulsion hydraulic system of horizontal core drilling rig according to claim 1-4, which is characterized in that the master
Controlling at least one of reversal valve (4) and the auxiliary control reversal valve (5) is three position four-way directional control valve, and the 3-position 4-way commutates
The Median Function of valve is Y type.
7. the propulsion hydraulic system of horizontal core drilling rig according to claim 6, which is characterized in that the rod chamber oil circuit
(12) it is equipped with the 4th switching control pilot (41) for controlling the actuator port B1 on-off of the master control reversal valve (4)；It is described to have
Rod cavity oil circuit (12) is equipped with the 5th switching control pilot for controlling the actuator port B2 on-off of the auxiliary control reversal valve (5)
(51)。
8. the propulsion hydraulic system of horizontal core drilling rig according to claim 6, which is characterized in that the main in-line
It (21) include for providing the volume adjustable hydraulic pump (211) of hydraulic oil, the volume adjustable hydraulic pump (211) for the propelling cylinder (1)
Control mouth be equipped with proportional pressure control valve (212).
9. the propulsion hydraulic system of horizontal core drilling rig according to claim 8, which is characterized in that further include:
For detecting the first pressure sensor (71) of the pressure of the rodless cavity；
The controller being connected respectively with the first pressure sensor (71) and the proportional pressure control valve (212), for according to institute
The detection signal for stating first pressure sensor (71), control the proportional pressure control valve (212) obtains electric current, so that the variable
The output pressure and adaptive load of hydraulic pump (211).
10. a kind of horizontal core drilling rig, including propulsion hydraulic system, which is characterized in that the propulsion hydraulic system is wanted for right
Seek the propulsion hydraulic system of the described in any item horizontal core drilling rigs of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691099.7A CN110307196A (en) | 2019-07-29 | 2019-07-29 | Horizontal coring drilling machine and propelling hydraulic system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910691099.7A CN110307196A (en) | 2019-07-29 | 2019-07-29 | Horizontal coring drilling machine and propelling hydraulic system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110307196A true CN110307196A (en) | 2019-10-08 |
Family
ID=68081919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910691099.7A Pending CN110307196A (en) | 2019-07-29 | 2019-07-29 | Horizontal coring drilling machine and propelling hydraulic system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110307196A (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778557A (en) * | 2019-11-14 | 2020-02-11 | 锦州力特液压科技有限公司 | Multi-way reversing valve of multifunctional tunnel drilling machine |
| CN110886737A (en) * | 2019-11-21 | 2020-03-17 | 合肥协力液压科技有限公司 | Electro-hydraulic control valve |
| CN111485543A (en) * | 2020-05-13 | 2020-08-04 | 磐索地勘科技(广州)有限公司 | In-hole in-situ test system and method |
| CN111502565A (en) * | 2020-04-27 | 2020-08-07 | 湖南创远高新机械有限责任公司 | Automatic rod connecting and disassembling hydraulic control system and drilling machine power head |
| CN111521179A (en) * | 2020-04-28 | 2020-08-11 | 中国人民解放军国防科技大学 | Drilling positioning director hole positioning method based on self-detection of traveling speed |
| CN111648758A (en) * | 2020-06-28 | 2020-09-11 | 青岛科技大学 | Model-free self-adaptive control method and system for well drilling machine propulsion device |
| CN111664144A (en) * | 2020-04-22 | 2020-09-15 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
| CN113374746A (en) * | 2021-07-06 | 2021-09-10 | 中煤科工集团重庆研究院有限公司 | Synchronous continuous conveying drill rod hydraulic system |
| CN113374744A (en) * | 2021-07-06 | 2021-09-10 | 中煤科工集团重庆研究院有限公司 | Continuous conveying drill rod hydraulic system with locking function |
| CN113374745A (en) * | 2021-07-06 | 2021-09-10 | 中煤科工集团重庆研究院有限公司 | Hydraulic system for continuously conveying drill rods |
| CN113404731A (en) * | 2021-07-06 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Synchronous continuous conveying drill rod hydraulic system with locking function |
| CN113482980A (en) * | 2021-06-29 | 2021-10-08 | 广州宝力特液压技术有限公司 | Differential circuit of opening and closing mold of tire vulcanizer |
| CN113819097A (en) * | 2021-09-30 | 2021-12-21 | 浙江三一装备有限公司 | Control valve group, hydraulic system, engineering machinery and arm support overturning control method of engineering machinery |
| CN116838662A (en) * | 2023-08-30 | 2023-10-03 | 之江实验室 | Hydraulic drive system, control method thereof and hydraulic drive limb part |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202531501U (en) * | 2011-12-27 | 2012-11-14 | 重庆迈尔矿山设备开发有限公司 | Oil-way for drilling machine |
| CN108180178A (en) * | 2018-01-15 | 2018-06-19 | 河北工程大学 | A kind of hydraulic system for reverse circulation engineering drilling rig equipment |
| CN108488148A (en) * | 2018-04-23 | 2018-09-04 | 江苏谷登工程机械装备有限公司 | A kind of hydraulic cylinder drive system |
-
2019
- 2019-07-29 CN CN201910691099.7A patent/CN110307196A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202531501U (en) * | 2011-12-27 | 2012-11-14 | 重庆迈尔矿山设备开发有限公司 | Oil-way for drilling machine |
| CN108180178A (en) * | 2018-01-15 | 2018-06-19 | 河北工程大学 | A kind of hydraulic system for reverse circulation engineering drilling rig equipment |
| CN108488148A (en) * | 2018-04-23 | 2018-09-04 | 江苏谷登工程机械装备有限公司 | A kind of hydraulic cylinder drive system |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778557A (en) * | 2019-11-14 | 2020-02-11 | 锦州力特液压科技有限公司 | Multi-way reversing valve of multifunctional tunnel drilling machine |
| CN110778557B (en) * | 2019-11-14 | 2024-05-10 | 锦州力特液压科技有限公司 | Multi-way reversing valve of multifunctional tunnel drilling machine |
| CN110886737A (en) * | 2019-11-21 | 2020-03-17 | 合肥协力液压科技有限公司 | Electro-hydraulic control valve |
| CN111664144A (en) * | 2020-04-22 | 2020-09-15 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
| CN111664144B (en) * | 2020-04-22 | 2022-11-22 | 武汉船用机械有限责任公司 | Hydraulic system of bolt type lifting platform |
| CN111502565A (en) * | 2020-04-27 | 2020-08-07 | 湖南创远高新机械有限责任公司 | Automatic rod connecting and disassembling hydraulic control system and drilling machine power head |
| CN111502565B (en) * | 2020-04-27 | 2022-04-08 | 湖南创远高新机械有限责任公司 | Automatic rod connecting and disassembling hydraulic control system and drilling machine power head |
| CN111521179B (en) * | 2020-04-28 | 2021-01-15 | 中国人民解放军国防科技大学 | Drilling positioning director hole positioning method based on self-detection of traveling speed |
| CN111521179A (en) * | 2020-04-28 | 2020-08-11 | 中国人民解放军国防科技大学 | Drilling positioning director hole positioning method based on self-detection of traveling speed |
| CN111485543A (en) * | 2020-05-13 | 2020-08-04 | 磐索地勘科技(广州)有限公司 | In-hole in-situ test system and method |
| CN111648758A (en) * | 2020-06-28 | 2020-09-11 | 青岛科技大学 | Model-free self-adaptive control method and system for well drilling machine propulsion device |
| CN113482980B (en) * | 2021-06-29 | 2024-02-13 | 广州宝力特液压技术有限公司 | Mold opening and closing differential circuit of tire vulcanizer |
| CN113482980A (en) * | 2021-06-29 | 2021-10-08 | 广州宝力特液压技术有限公司 | Differential circuit of opening and closing mold of tire vulcanizer |
| CN113374745A (en) * | 2021-07-06 | 2021-09-10 | 中煤科工集团重庆研究院有限公司 | Hydraulic system for continuously conveying drill rods |
| CN113374744B (en) * | 2021-07-06 | 2022-05-06 | 中煤科工集团重庆研究院有限公司 | Continuous conveying drill rod hydraulic system with locking function |
| CN113404731B (en) * | 2021-07-06 | 2022-05-20 | 中煤科工集团重庆研究院有限公司 | Synchronous continuous conveying drill rod hydraulic system with locking function |
| CN113404731A (en) * | 2021-07-06 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Synchronous continuous conveying drill rod hydraulic system with locking function |
| CN113374744A (en) * | 2021-07-06 | 2021-09-10 | 中煤科工集团重庆研究院有限公司 | Continuous conveying drill rod hydraulic system with locking function |
| CN113374746A (en) * | 2021-07-06 | 2021-09-10 | 中煤科工集团重庆研究院有限公司 | Synchronous continuous conveying drill rod hydraulic system |
| CN113819097A (en) * | 2021-09-30 | 2021-12-21 | 浙江三一装备有限公司 | Control valve group, hydraulic system, engineering machinery and arm support overturning control method of engineering machinery |
| CN113819097B (en) * | 2021-09-30 | 2023-07-04 | 浙江三一装备有限公司 | Control valve group, hydraulic system, engineering machinery and arm support overturning control method of engineering machinery |
| CN116838662A (en) * | 2023-08-30 | 2023-10-03 | 之江实验室 | Hydraulic drive system, control method thereof and hydraulic drive limb part |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110307196A (en) | Horizontal coring drilling machine and propelling hydraulic system thereof | |
| CN102966612B (en) | Hydraulic control system of mining full-hydraulic tunnel drilling machine | |
| CN102022106B (en) | Drill stem connector automatic screwing control device and method | |
| US20080110166A1 (en) | Energy recovery and reuse techniques for a hydraulic system | |
| CN107620762B (en) | Rock drill and hydraulic automatic control system thereof | |
| CN102747950B (en) | Single-pump hydraulic control loop of key drilling action of cutting drill rig | |
| CN103857926A (en) | Multiple function hydraulic system with a variable displacement pump and a hydrostatic pump-motor | |
| CN202706914U (en) | Impulse jet flow assisting drilling tool | |
| CN101225839A (en) | Energy-saving type shield hydraulic pressure control system using hydraulic pressure transformer | |
| CN202971363U (en) | Full-hydraulic underground drill rig hydraulic control system for mine | |
| US9708873B2 (en) | Hydraulic assembly | |
| CN110242628B (en) | Anti-seizing hydraulic control system and rock drilling equipment | |
| CN101503960A (en) | Multi-pump combined driving shield-tunneling blade disc hydraulic system | |
| CN106438532A (en) | Electric proportional control type rock drill rock drilling efficiency automatic control system | |
| CN113775603A (en) | Electro-hydraulic multi-actuator flow control system and method | |
| CN101408108B (en) | Shield cutter head hydraulic system driven by mixed motor serial connection and parallel connection | |
| CN102536141B (en) | Automatic drill-rod-replacing control system for rock-drilling drill carriage | |
| CN110762071B (en) | Hydraulic power system for underground equipment and underground equipment | |
| CN108756726A (en) | Rotary digging drill power head control device | |
| CN202718623U (en) | Key drilling action single-pump hydraulic control loop of cutting drilling machine | |
| CN110513042A (en) | Horizontal coring drilling machine and direction adjusting system thereof | |
| CN202531060U (en) | Automatic borer change control system of rock drilling carriage | |
| CN112761648B (en) | Shield that possesses self-checking and safe redundancy impels hydraulic system | |
| CN206090684U (en) | Excavator gyration economizer system with prevent reversal and rock function | |
| CN207848069U (en) | A kind of rotation of horizontal directional drilling machine power head prevents reverse control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191008 |
|
| RJ01 | Rejection of invention patent application after publication |