CN118029865A - Drilling and injection power system suitable for multi-operation - Google Patents
Drilling and injection power system suitable for multi-operation Download PDFInfo
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- CN118029865A CN118029865A CN202410214490.9A CN202410214490A CN118029865A CN 118029865 A CN118029865 A CN 118029865A CN 202410214490 A CN202410214490 A CN 202410214490A CN 118029865 A CN118029865 A CN 118029865A
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- 238000005553 drilling Methods 0.000 title claims abstract description 121
- 238000002347 injection Methods 0.000 title claims description 8
- 239000007924 injection Substances 0.000 title claims description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 239000011435 rock Substances 0.000 claims abstract description 18
- 238000011112 process operation Methods 0.000 claims abstract description 9
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000007569 slipcasting Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 21
- 238000010276 construction Methods 0.000 description 16
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000001360 synchronised effect Effects 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
- E21B6/00—Drives for drilling with combined rotary and percussive action
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- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention relates to a drilling and grouting power system suitable for multi-process operation, which comprises a workbench, wherein the workbench is provided with a drilling driving mechanism, the drilling driving mechanism is connected with a mobile station to drive the mobile station to move along a first direction, the mobile station is provided with a switching driving mechanism, the switching driving mechanism is connected with a supporting table to drive the supporting table to move along a second direction perpendicular to the first direction, the supporting table is provided with a hydraulic impact power assembly and a multi-rotating-speed power assembly, the hydraulic impact power assembly is used for being detachably connected with a hole-forming drilling tool to realize drilling and rock breaking, the multi-rotating-speed power assembly comprises a shell, the shell is connected with a power part, the power part is connected with an input shaft, the input shaft is connected with an output shaft through a speed change mechanism, and the output shaft is used for being detachably connected with a grouting drilling tool to perform grouting.
Description
Technical Field
The invention relates to the technical field of geotechnical engineering construction equipment, in particular to a drilling and injection power system suitable for multi-process operation.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
Traditional underground space engineering construction equipment has single function and small application range, and when construction is carried out, a plurality of equipment needs to be operated in turn, so that the construction efficiency is greatly reduced.
The Chinese patent application number 202310630955.4 provides a dual-purpose anchor rod installation power head device for anchor rod trolley. The grouting power head is matched with an anchor rod grabbing mechanical arm on the anchor rod trolley, and the anchor rod installation is completed by utilizing the power head to push. Simultaneously, the grouting power head is internally provided with a grout passage which can perform grouting after the installation of the anchor rod is completed, but the grouting power head cannot realize the hole forming of the anchor rod, and the hole forming is performed by a rock drill before the construction, so that the construction efficiency is greatly reduced
The Chinese patent with the application number 201610982513.6 discloses a power head device for high-pressure injection grouting and a work method thereof. The rotary spraying and swing spraying grouting type device is switched through a computer control system, the control of the rotary rotating speed is realized by utilizing a gearbox, and the switching between the multi-angle swing spraying and the rotary spraying swing spraying can be realized, but if a drilling tool is arranged on an output shaft of the gearbox for drilling, when the device is applied to a relatively complex stratum structure, the phenomenon of drilling sticking easily occurs because the rotating speed and the impact force cannot meet the requirements, the drilling is carried out by using additional equipment, and the construction efficiency is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a drilling and grouting power system suitable for multi-work operation, which can realize the drilling and rock breaking and the grouting process of various work methods, can be carried out by using one device, does not need a plurality of devices to work in turn, and improves the construction efficiency.
In order to achieve the above object, the present invention is realized by the following technical scheme:
The embodiment of the invention provides a drilling and injecting power system suitable for multi-process operation, which comprises a workbench, wherein the workbench is provided with a drilling driving mechanism, the drilling driving mechanism is connected with a mobile station to drive the mobile station to move along a first direction, the mobile station is provided with a switching driving mechanism, the switching driving mechanism is connected with a supporting table to drive the supporting table to move along a second direction perpendicular to the first direction, the supporting table is provided with a hydraulic impact power assembly and a multi-rotating-speed power assembly, the hydraulic impact power assembly is used for being detachably connected with a hole-forming drilling tool to realize drilling and rock breaking, the multi-rotating-speed power assembly comprises a shell, the shell is connected with a power part, the power part is connected with an input shaft, the input shaft is connected with an output shaft through a speed changing mechanism, and the output shaft is used for being detachably connected with the drilling tool to perform grouting or drilling and coring.
Optionally, the speed change mechanism includes a speed reduction mechanism connected with an input shaft, the speed reduction mechanism is connected with a first input gear, the first input gear is rotationally connected with the input shaft, the input shaft is fixedly connected with a second input gear, the first input gear is meshed with a first output gear, the second input gear is meshed with a second output gear, the first output gear and the second output gear are rotationally connected with an output shaft, a first clutch wheel circumferentially connected with the output shaft is arranged between the first output gear and the second output gear, and the first clutch wheel is connected with a first switching component to realize switching of connection and disconnection states of the first output gear and the second output gear;
Further, the number of teeth of the first input gear is smaller than that of the first output gear, and the number of teeth of the second input gear is smaller than that of the second output gear, so that the speed reduction transmission of power is realized.
Optionally, the first switching part includes the switching axle, and switching axle one end and semicircle ring fixed connection, semicircle ring's both ends are articulated with the switching piece, and the switching piece is embedded in the ring channel that first clutch wheel tread set up, and the other end and the switch handle of switching axle are fixed.
Optionally, the speed reducing mechanism adopts a planetary speed reducing mechanism.
Optionally, a third input gear is further rotationally connected to the input shaft, the third input gear is meshed with a third output gear, the third output gear is fixedly connected with the output shaft, a second clutch wheel is circumferentially connected to the input shaft, and the second clutch wheel is connected with a second switching component to realize the switching between the fixed state and the disconnected state of the third input gear;
Further, the number of teeth of the third input gear is larger than that of the third output gear so as to realize speed-up transmission of power.
Optionally, the second switching part includes the switching axle, and switching axle one end and semicircle ring fixed connection, semicircle ring's both ends are articulated with the switching piece, and the switching piece is embedded in the ring channel that the second separation and reunion wheel tread set up, and the other end and the switching handle of switching axle are fixed.
Optionally, the power component includes first hydraulic motor and second hydraulic motor, and first hydraulic motor and second hydraulic motor all are connected the input shaft, and first hydraulic motor and second hydraulic motor are connected with oil feeding system through the diverter valve in order to realize the switching of first fluid motor and second hydraulic motor parallelly connected and series connection state.
Optionally, the drilling driving mechanism adopts a drilling driving hydraulic cylinder with an axis arranged along a first direction, the end part of a piston rod of the drilling driving hydraulic cylinder is fixed with one end of the workbench, and a cylinder body of the drilling driving hydraulic cylinder is fixedly connected with the movable platform and is in sliding connection with the workbench.
Optionally, the switching driving mechanism adopts a switching driving hydraulic cylinder with an axis arranged along the second direction, a piston rod of the switching driving hydraulic cylinder is connected with the supporting table, and a cylinder body of the switching driving hydraulic cylinder is connected with the moving table.
Optionally, the output shaft end parts of the hydraulic impact power assembly and the multi-rotation-speed power assembly are respectively provided with an internal thread structure, and can be fixedly connected with corresponding drilling tools through the internal thread structures.
The beneficial effects of the invention are as follows:
1. The drilling and grouting power system for multi-process operation is provided with the hydraulic impact power assembly and the multi-rotating-speed power assembly, and is provided with the switching driving mechanism, so that the working states of the hydraulic impact power assembly and the multi-rotating-speed power assembly can be switched, when the hydraulic impact power assembly is utilized, the surrounding rock in a complex stratum environment can be drilled and broken, the phenomenon of drilling sticking can not occur, when the multi-rotating-speed power assembly is utilized, the multi-function grouting at different rotating speeds can be realized, when the surrounding rock in the complex stratum environment is drilled and grouting is performed, drilling and grouting can be performed by adopting one device without alternately working a plurality of devices, and the drilling and grouting construction efficiency is greatly improved.
2. The speed change mechanism comprises three input gears, three output gears, a first clutch wheel and a second clutch wheel which correspond to the three input gears, and the power component comprises a first hydraulic motor and a second hydraulic motor which can realize serial-parallel switching, so that the function of three gears and six rotating speeds is realized, one multi-rotating-speed power assembly can output six rotating speeds, one multi-rotating-speed power assembly meets the grouting operation requirements of different methods, the applicability is strong, grouting equipment is not required to be replaced, and the grouting construction efficiency is greatly improved.
3. According to the multi-working drilling and injecting power system, the output shafts of the hydraulic impact power assembly and the multi-rotating-speed power assembly are provided with the internal thread structures, and the hydraulic impact power assembly and the multi-rotating-speed power assembly can be fixedly connected with corresponding drilling tools through the internal thread structures, so that the drilling tools can be conveniently detached, installed and replaced, and the construction efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention.
FIG. 1 is a schematic view showing the overall structure of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of a multi-speed powertrain according to embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the structure of a transmission mechanism according to embodiment 1 of the present invention;
Fig. 4 is a schematic view showing the structure of a first switching member according to embodiment 1 of the present invention;
fig. 5 is a schematic diagram of an oil path of the first hydraulic motor and the second hydraulic motor in parallel connection according to embodiment 1 of the present invention;
fig. 6 is a schematic diagram of the oil circuit of the first hydraulic motor and the second hydraulic motor in series connection state according to embodiment 1 of the present invention;
FIG. 7 is a schematic view of a first clamp mechanism and a second clamp mechanism according to embodiment 1 of the present invention;
The hydraulic power system comprises a workbench, a movable platform, a rotary driving oil cylinder, a supporting plate, a hydraulic impact power assembly, a multi-rotating-speed power assembly, a first clamp mechanism, a second clamp mechanism, a 9.U-type frame, a drilling tool, a first clamping oil cylinder, a second clamping oil cylinder, a clamping block, a circular arc-shaped guide rail and a guide rail bracket, wherein the workbench, the movable platform, the rotary driving oil cylinder, the supporting plate, the hydraulic impact power assembly, the multi-rotating-speed power assembly, the first clamp mechanism, the second clamp mechanism, the 9.U-type frame, the drilling tool, the first clamping oil cylinder, the second clamping oil cylinder, the clamping block, the circular arc-shaped guide rail and the guide rail bracket;
6-1, housing, 6-2, input shaft, 6-3, output shaft, 6-4, first input gear, 6-5, planetary reduction mechanism, 6-6, first output gear, 6-7, second input gear, 6-8, second output gear, 6-9, first clutch pulley, 6-10, switching shaft, 6-11, handle, 6-12, semicircle ring, 6-13, switching block, 6-14, third input gear, 6-15, third output gear, 6-16, second clutch pulley, 6-17, first hydraulic motor, 6-18.
Detailed Description
Example 1
The present embodiment provides a drilling and injecting power system suitable for multi-process operation, as shown in fig. 1, including a workbench 1, where the length direction of the workbench 1 is set along the drilling direction, in this embodiment, the drilling direction is defined as a first direction, and the direction perpendicular to the first direction is defined as a second direction.
The workbench 1 is provided with a drilling driving mechanism, the drilling driving mechanism is connected with the movable table 2, and the drilling driving mechanism can drive the movable table 2 to move along a first direction so as to realize drilling movement in grouting or drilling construction.
In this embodiment, the drilling driving mechanism adopts a drilling driving hydraulic cylinder, the end part of a piston rod of the drilling driving hydraulic cylinder is fixed with one side end part of the workbench 1, a cylinder body of the drilling driving hydraulic cylinder is fixedly connected with the movable table 2, and the movable plate and the cylinder body of the drilling driving hydraulic cylinder are both in sliding connection with the workbench 1.
The telescopic movement of the piston rod of the drilling driving hydraulic cylinder can drive the moving table 2 to do linear movement along the first direction through the cylinder body, so that the drilling movement is realized.
The mobile station 2 is connected with the support plate 4 through a switching driving mechanism, and the switching driving mechanism can drive the support plate 4 to move along a second direction perpendicular to the first direction.
In this embodiment, the switching driving mechanism adopts a switching driving hydraulic cylinder, a cylinder body of the switching driving hydraulic cylinder is hinged with the moving plate, a piston rod of the switching driving hydraulic cylinder is hinged with the supporting plate, and the supporting plate is in sliding connection with the moving plate.
The telescopic movement of the piston rod of the switching drive hydraulic cylinder can drive the support plate 4 to move along the second direction.
The hydraulic impact power assembly 5 and the multi-rotating-speed power assembly 6 are arranged on the supporting plate 4, the hydraulic impact power assembly 5 and the multi-rotating-speed power assembly 6 are arranged along the second direction, and the hydraulic impact power assembly and the multi-rotating-speed power assembly can be automatically switched by switching the driving hydraulic cylinder.
The hydraulic impact power assembly 5 is made of existing equipment, an output shaft of the hydraulic impact power assembly is provided with an internal thread structure, a pore-forming drilling tool matched with the internal thread structure in a threaded connection mode is arranged at the connecting end of the pore-forming drilling tool, and water flow is input from a pipeline, passes through a main shaft of the hydraulic impact power head and is output from the pore-forming drilling tool to enter the drilling tool in a working mode. During construction, the hydraulic impact power head rotates to cut and impacts the rock stratum back and forth, and water is sprayed to the water outlet hole at the drill bit at the tail end of the drilling tool to cut the rock stratum hydraulically, so that quick hole forming in the rock stratum is realized.
The hydraulic impact power assembly 5 may be implemented by using existing equipment, and the specific structure thereof will not be described in detail herein.
In this embodiment, the multi-rotation-speed power assembly 6 has three six rotation speeds, as shown in fig. 2-3, and includes a housing 6-1, the housing is connected with a power component, the power component is connected with an input shaft 6-2, and can drive the input shaft 6-2 to rotate around its own axis, the input shaft 6-2 is connected with an output shaft 6-3 through a speed change mechanism, and can drive the output shaft 6-3 to rotate, and the output shaft 6-3 adopts an existing structure, for example, an output shaft of a gearbox disclosed in a patent CN106351225B, one end of which is used for connecting a deflector, and the other end of which is used for connecting a grouting drilling tool, preferably, an end of the output shaft 6-3 is provided with an internal thread structure, and can be connected with the grouting drilling tool through the internal thread structure, wherein the grouting drilling tool is a single pipe, a double pipe, a triple pipe or other commonly used grouting drilling tool, and the deflector is used for connecting pipelines such as slurry, gas, water.
In the embodiment, the speed change mechanism is improved, so that the output shaft can output three gears and six rotating speeds, grouting requirements of a plurality of work methods are met, and the applicability of the whole power system is greatly improved.
Specifically, the speed change mechanism comprises a first input gear 6-4, the first input gear 6-4 is an ultra-low speed gear, and the first input gear 6-4 is rotatably connected with the input shaft 6-3 through a bearing and can generate relative rotation with the input shaft 6-3. The first input gear 6-4 is also rotatably connected to the housing 6-1 by bearings.
The first input gear 6-4 is connected with a reduction mechanism, which is connected with an input shaft, which is capable of transmitting power to the first input gear 6-4 via the reduction mechanism.
Preferably, the speed reducing mechanism adopts the existing planetary speed reducing mechanism 6-5, a sun wheel of the planetary speed reducing mechanism 6-5 is fixedly connected with the input shaft, the sun wheel can be driven to rotate around the axis of the sun wheel, the sun wheel is meshed with a plurality of planet wheels, the planet wheels are rotationally connected with a wheel shaft, and the wheel shaft is fixed on the end face of the first input gear 6-4.
The first input gear 6-4 is meshed with the first output gear 6-6, and the first output gear 6-6 is rotatably connected to the output shaft 6-3 through a bearing and can rotate relative to the output shaft 6-3.
The number of teeth of the first output gear 6-6 is larger than the number of teeth of the first input gear 6-4 to output a decelerating motion.
The input shaft 6-3 is also provided with a second input gear 6-7, the second input gear 6-7 is used as a low-speed gear, and the second input gear 6-7 is fixedly connected with the input shaft 6-2 and can synchronously rotate along with the input shaft 6-2.
The second input gear 6-7 is meshed with the second output gear 6-8, and the second output gear 6-8 is rotatably connected with the output shaft 6-3 through a bearing.
The number of teeth of the second output gear 6-8 is larger than the number of teeth of the second input gear 6-7 to output a decelerating motion.
The output shaft 6-3 is also circumferentially connected with a first clutch wheel 6-9, the first clutch wheel 6-9 is in key connection with the output shaft 6-3 and can synchronously rotate with the output shaft 6-3, and meanwhile, the first clutch wheel 6-9 can also linearly move along the axis of the output shaft.
Spline lugs are arranged on two end faces of the first clutch wheel 6-9, and spline grooves matched with the spline lugs are arranged on the end faces of the first output gear 6-6 and the second output gear 6-8 correspondingly.
The first clutch wheel 6-9 moves towards the first output gear, and when the spline convex block is embedded in the spline groove, the first output gear 6-6 can drive the output shaft 6-3 to synchronously rotate through the first clutch wheel 6-9.
The first clutch wheel 6-9 moves towards the second output gear 6-8, and when the spline lug is embedded in the spline groove, the second output gear 6-8 can drive the output shaft 6-3 to synchronously rotate through the first clutch wheel 6-9.
The first clutch wheel 6-9 is connected with a first switching component, and the first switching component can drive the first clutch wheel to move along the axis direction of the output shaft so as to realize switching of the coordination state of the first clutch wheel 6-9, the first output gear 6-6 and the second output gear 6-8.
As shown in fig. 4, the first switching component may adopt a conventional structure, and includes a switching shaft 6-10, where one end of the switching shaft 6-10 extends out of the housing 6-1 and is rotatably connected with the housing 6-1 through a bearing, and the end of the switching shaft 6-10 extending out of the housing is vertically connected with a handle 6-11, so that a worker can drive the switching shaft 6-10 to rotate around its own axis through the handle 6-11.
The shaft surface at the other end of the switching shaft 6-10 is fixed with the middle part of the outer cambered surface of the semicircular ring 6-12, the two end parts of the semicircular ring 6-12 are hinged with switching blocks 6-13, and the switching blocks 6-13 are embedded into annular grooves formed in the wheel surface of the first clutch wheel 6-9.
The switching shaft 6-10 can drive the semicircular ring 6-12 to swing, so that the switching block 6-13 drives the first clutch wheel 6-9 to move along the axis direction of the output shaft 6-3.
The input shaft 6-2 is also rotatably connected with a third input gear 6-14 through a bearing, the third input gear 6-14 is a high-speed gear, the third input gear 6-14 is meshed with a third output gear 6-15, the third output gear 6-15 is fixedly connected with the output shaft 6-3, and the number of teeth of the third output gear 6-15 is smaller than the number of teeth of the third input gear 6-14 so as to realize speed-increasing motion.
The input shaft 6-2 is also circumferentially connected with a second clutch wheel 6-16, the second clutch wheel 6-16 is located at one side of the third input gear 6-15, and the connection mode of the second clutch wheel 6-16 and the input shaft 6-2 is the same as the connection mode of the first clutch wheel 6-9 and the output shaft 6-3, and will not be repeated here.
The second clutch wheel 6-16 is capable of synchronous rotation with the input shaft 6-2 and is capable of movement in the axial direction of the input shaft 6-2.
The second clutch wheel 6-16 is provided with a spline lug, correspondingly, the third input gear 6-14 is provided with a spline groove matched with the spline lug, the second clutch wheel 6-16 moves towards the third input gear 6-14 until the spline lug is matched with the spline groove, and the power of the input shaft 6-2 can be transmitted to the third input gear 6-14, so that the third input gear 6-14 and the input shaft 6-2 synchronously rotate.
The second clutch wheel 6-16 is connected with a second switching component, the structure of the second switching component is the same as that of the first switching component, the second switching component comprises a switching shaft, one end of the switching shaft extends out of the shell and is rotationally connected with the shell through a bearing, the end, extending out of the shell, of the switching shaft is vertically connected with a handle, and a worker can drive the switching shaft to rotate around the axis of the worker through the handle.
The shaft surface at the other end of the switching shaft is fixed with the middle part of the outer cambered surface of the semicircular ring, the two end parts of the semicircular ring are hinged with switching blocks, and the switching blocks are embedded into annular grooves formed in the wheel surface of the second clutch wheel.
The switching shaft can drive the semicircle ring to swing, so that the second clutch wheel is driven to move along the axis direction of the input shaft through the switching block.
The power component comprises a first hydraulic motor 6-17 and a second hydraulic motor 6-18, output shafts of the first hydraulic motor 6-17 and the second hydraulic motor 6-18 are connected to the input shaft 6-2, the first hydraulic motor 6-17 and the second hydraulic motor 6-18 are connected with an oil supply system through a switching valve, and the switching valve is used for switching between serial connection and parallel connection states of the first hydraulic motor 6-17 and the second hydraulic motor 6-18.
The switching valve adopts a two-position two-way electromagnetic valve, the two-position two-way electromagnetic valve is provided with a left position and a right position, two interfaces on one side of the two-position two-way electromagnetic valve are respectively connected to A and B, A is connected with an inlet of a first hydraulic motor through an oil way, an outlet of the first hydraulic motor is connected with one interface P2 on the other side of the two-position two-way electromagnetic valve through an oil way, the other interface P1 on the side is connected with an inlet of a second hydraulic motor through an oil way, and an outlet of the second hydraulic motor is connected to B. When the two-position two-way electromagnetic valve is at the left position, the inlet of the first hydraulic motor is communicated with the inlet of the second hydraulic motor, and the outlet of the second hydraulic motor is communicated with the outlet of the first hydraulic motor.
When the two-position two-way electromagnetic valve is in the right position, the P1 and the P2 are communicated with each other.
The point A is connected with an oil pump, and the point B is connected with an oil tank.
The series-parallel switching principle of the two hydraulic motors is as follows:
As shown in FIG. 5, when the two-position two-way electromagnetic valve works in the left position, hydraulic oil is divided into two paths when passing through the point A, one path sequentially passes through the first hydraulic motor, the point P2 and the point B and then flows back to the oil tank, and the other path sequentially passes through the point P1, the second hydraulic motor and the point B and then flows back to the oil tank, so that the first hydraulic motor and the second hydraulic motor work in parallel.
As shown in FIG. 6, when the two-position two-way solenoid valve is in the right position for operation, hydraulic oil sequentially passes through the point A, the first hydraulic motor, the point P2, the point P1, the second hydraulic motor and the point B, and then the Liu Hui oil tank is connected in series with the first hydraulic motor and the second hydraulic motor.
In the series and parallel states of the hydraulic motors, different input shaft speeds can be output, and the input shaft speed in the series is 2 times that in the parallel state.
In this embodiment, three-gear six rotational speeds can be output, and the description is given by taking two hydraulic motors connected in series as an example:
neutral gear: the first clutch wheel is not matched with the first output gear nor the second output gear, the second clutch wheel is not matched with the third output gear, the input shaft rotates at the moment, the first input gear rotates through the speed reducing mechanism to drive the first output gear to rotate above the output shaft, the second input gear drives the second output gear to idle on the output shaft, the input shaft is rotationally connected with the third input gear, and the power of the input shaft cannot be transmitted to the third input gear.
Ultra-low gear: the first clutch wheel is matched with the first output gear, the input shaft drives the first input gear to rotate through the speed reducing mechanism, the first input gear drives the first output gear to rotate, and the first output gear drives the output shaft to rotate through the first clutch wheel. Specifically, under the serial connection state and the parallel connection state of the two hydraulic motors, the output rotation speed of the output shaft is 18.3r/min and 9.2r/min respectively, and the hydraulic motor can be used for high-pressure jet grouting or swing jet grouting by matching with a multi-pipe grouting drilling tool or a common single-pipe drilling tool, a double-pipe drilling tool and the like.
Low gear: the first clutch wheel is matched with the second output gear, the input shaft drives the second input gear to rotate, the second input gear drives the second output gear to rotate, and the second output gear drives the output shaft to rotate through the first clutch wheel. Specifically, under the serial connection state and the parallel connection state of the two hydraulic motors, the output rotation speed of the output shaft is 130r/min and 65r/min respectively, and the two hydraulic motors are matched with a hole drilling tool to quickly cut and break rock.
High gear: the second clutch wheel is matched with the third input gear, the input shaft drives the third input gear to rotate through the second clutch wheel, and the third input gear drives the output shaft to rotate through the third output gear. Specifically, under the serial connection state and the parallel connection state of the two hydraulic motors, the output rotation speed of the output shaft is 510r/min and 255r/min respectively, and the two hydraulic motors are matched with a hole forming drilling tool to perform reinforced concrete lining quick drilling coring.
The principle of switching the rotational speed when the two hydraulic motors are connected in parallel is the same as that when they are connected in series, and a description thereof will not be repeated here.
When the power system is applied to a relatively complex stratum environment, when the power system of the embodiment is used for drilling and grouting, the reinforced concrete lining is firstly drilled and cored by utilizing the high-speed gear or the low-speed gear of the multi-rotation-speed power assembly.
And (3) detaching the drilling tools of the multi-rotation-speed power assembly, switching the hydraulic cylinders to work, installing corresponding drilling tools on the hydraulic impact power assembly, and drilling and breaking the rock of the rock and soil layer by using the drilling tools connected with the hydraulic impact power assembly.
After the rock is drilled and broken in the rock soil layer, the drilling tool of the hydraulic impact power assembly is removed, the hydraulic cylinder is switched and driven to work, so that the drilling tool connected with the multi-rotating-speed power assembly corresponds to the drilling tool, and grouting is carried out by using the drilling tool connected with the multi-rotating-speed power assembly. The grouting adopts a forward grouting process or a backward grouting process, and the forward grouting process is taken as an example for explanation:
for example: after the multi-rotation-speed power assembly is connected with the single-fluid grouting drilling tool, the multi-rotation-speed power assembly is switched to rotate under an ultra-low speed gear, and the multi-rotation-speed power assembly gradually stretches into a stratum to perform high-pressure jet grouting under the pushing of a drilling driving hydraulic cylinder.
In another embodiment, the multi-rotation-speed power assembly is connected with a double-liquid grouting drilling tool, the double-liquid grouting drilling tool firstly penetrates into a stratum grouting point under the pushing of a drilling driving hydraulic cylinder and then rotates under an ultralow-rotation-speed gear, and high-pressure jet grouting is performed while lifting under the action of the drilling driving hydraulic cylinder.
It can be understood that the device can select proper grouting work (static pressure grouting, high pressure jet grouting and high pressure swing grouting) and connect corresponding single-pipe, double-pipe and multi-pipe grouting drilling tools according to stratum geological conditions when grouting is carried out. When the static pressure grouting is carried out, the multi-rotating-speed power assembly is switched to a neutral gear. When high-pressure jet grouting is carried out, the multi-rotation-speed power assembly is switched to an ultralow-rotation-speed gear.
In the construction mode of this embodiment, the serial or parallel connection mode of the two hydraulic motors corresponding to the high rotation speed, the ultra-low rotation speed and the low rotation speed gear is determined according to the actual working condition, and will not be described in detail here.
The driving system of this embodiment is equipped with hydraulic impact power assembly and multirotational speed power assembly to be provided with switching actuating mechanism, can realize hydraulic impact power assembly and multirotational speed power assembly operating condition's switching, when utilizing hydraulic impact power assembly, can realize drilling broken rock to the country rock of complicated stratum environment, can not appear blocking the brill phenomenon, when using multirotational speed power assembly, can realize the multi-functional grouting under different rotational speeds, when carrying out drilling grouting to the country rock of complicated stratum environment, drilling and grouting adopt an equipment can, need not many equipment work in turn, very big improvement the efficiency of drilling grouting construction, and can output five rotational speeds, the demand of multi-functional grouting operation has been satisfied, and the suitability is strong.
Preferably, as shown in fig. 7, the front end of the workbench is further provided with a first clamp mechanism 7 and a second clamp mechanism 8, the first clamp mechanism is arranged closer to the front end of the workbench and is used for clamping and fixing a drilling tool, the first clamp mechanism 7 and the second clamp mechanism 8 both comprise a U-shaped frame 9, the drilling tool 10 penetrates through the U-shaped frame 9, the U-shaped frames 9 of the first clamp mechanism 7 and the second clamp mechanism 8 are both fixedly provided with a first clamping cylinder 11 and a second clamping cylinder 12 which are oppositely arranged, the first clamping cylinder 11 and the second clamping cylinder 12 are coaxially arranged in opposite directions, a cylinder body of the first clamping cylinder 11 and a cylinder body of the second clamping cylinder 12 are fixed with the U-shaped frame 9, a piston rod is connected with a clamping block 13, and the clamping block 13 is used for clamping the drilling tool.
The U-shaped frame 9 of the first clamp mechanism 7 is fixedly connected with a workbench, the U-shaped frame 9 of the second clamp mechanism 8 is movably connected with an arc-shaped guide rail slide 14 arranged on the workbench, the arc-shaped guide rail 14 is fixed with the workbench through a guide rail bracket 15, the circle center of the arc-shaped guide rail is positioned on the axis of a drilling tool, the U-shaped frame of the second clamp mechanism 8 is hinged with a piston rod of a rotary driving oil cylinder 3, the cylinder body of the rotary driving oil cylinder is hinged with the workbench, and the rotary driving oil cylinder can drive the U-shaped frame of the second clamp mechanism to rotate around the axis of the drilling tool.
In this embodiment, in the drilling process, when needs carry out the extension to the drilling tool, two centre gripping hydro-cylinders work of first anchor clamps mechanism and second anchor clamps mechanism, clip the drilling tool, then the output shaft upset of multirotation speed power assembly utilizes simultaneously to creep into actuating mechanism and retreats, separate with the drilling tool, reserve the space of extension section simultaneously, put into the extension section space of reservation back with the extension section, multirotation speed power assembly output shaft rotates and advances simultaneously for extension section is connected with multirotation speed power assembly, then multirotation speed power assembly continues to drive extension section rotation and advances, is connected extension section with preceding drilling tool.
When the drilling tool needs to be disassembled section by section, the first clamp mechanism and the second clamp mechanism clamp the drilling tool, and the boundary line of the two parts of the drilling tool, which need to be separated, is positioned between the first clamp mechanism and the second clamp mechanism.
The U-shaped frame of the second clamp mechanism is driven to rotate by the rotation driving hydraulic cylinder, two parts of the drilling tool to be separated are loosened by the rotation driving hydraulic cylinder, then the drilling tool is loosened by the second clamp mechanism, the output shaft of the multi-rotation-speed power assembly rotates and retreats to drive the two parts of the drilling tool to be separated, and the disassembly and separation work of the drilling tool is completed section by adopting the same method.
Through the setting of first anchor clamps mechanism and second anchor clamps mechanism, realized the extension and the dismantlement of drilling tool, convenient operation has improved the efficiency of construction.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The utility model provides a bore injection power system suitable for multiplex operation, a serial communication port, including the workstation, the workstation is equipped with and bores driving mechanism, it is connected with the mobile station to bore driving mechanism in order to drive the mobile station and follow the first direction motion, the mobile station is equipped with and switches driving mechanism, it is connected with the brace table in order to drive the brace table along the second direction perpendicular with first direction motion to switch driving mechanism, be provided with hydraulic impact power assembly and multispeed power assembly on the brace table, hydraulic impact power assembly is used for dismantling the connection pore-forming drilling tool in order to realize drilling broken rock, multispeed power assembly includes the shell, the shell is connected with power component, power component is connected with the input shaft, the input shaft passes through speed change mechanism and output shaft connection, the output shaft is used for dismantling the connection drilling tool in order to carry out slip casting or drilling coring.
2. The drilling and injecting power system for multi-process operation according to claim 1, wherein the speed changing mechanism comprises a speed reducing mechanism connected with an input shaft, the speed reducing mechanism is connected with a first input gear, the first input gear is rotationally connected with the input shaft, the input shaft is fixedly connected with a second input gear, the first input gear is meshed with a first output gear, the second input gear is meshed with a second output gear, the first output gear and the second output gear are rotationally connected with an output shaft, a first clutch wheel circumferentially connected with the output shaft is arranged between the first output gear and the second output gear, and the first clutch wheel is connected with a first switching component to realize switching of connection and disconnection states of the first output gear and the second output gear;
Further, the number of teeth of the first input gear is smaller than that of the first output gear, and the number of teeth of the second input gear is smaller than that of the second output gear, so that the speed reduction transmission of power is realized.
3. The drilling and injecting power system as claimed in claim 2, wherein the first switching member comprises a switching shaft, one end of the switching shaft is fixedly connected with the semicircular ring, two ends of the semicircular ring are hinged with the switching block, the switching block is embedded into an annular groove formed in the wheel surface of the first clutch wheel, and the other end of the switching shaft is fixed with the switching handle.
4. A drilling and injection power system adapted for multiple operation as defined in claim 2, wherein said reduction mechanism is a planetary reduction mechanism.
5. The drilling and injecting power system for multi-process operation according to claim 2, wherein the input shaft is further rotatably connected with a third input gear, the third input gear is meshed with a third output gear, the third output gear is fixedly connected with the output shaft, the input shaft is circumferentially connected with a second clutch wheel, and the second clutch wheel is connected with a second switching component to realize the switching between the fixed state and the disconnected state of the third input gear;
Further, the number of teeth of the third input gear is larger than that of the third output gear so as to realize speed-up transmission of power.
6. The drilling and injecting power system as claimed in claim 5, wherein the second switching member comprises a switching shaft, one end of the switching shaft is fixedly connected with the semicircular ring, two ends of the semicircular ring are hinged with the switching block, the switching block is embedded into an annular groove formed in the wheel surface of the second clutch wheel, and the other end of the switching shaft is fixed with the switching handle.
7. The drilling and injection power system for multiple-process operation according to claim 1, wherein the power unit comprises a first hydraulic motor and a second hydraulic motor, the first hydraulic motor and the second hydraulic motor are both connected with the input shaft, and the first hydraulic motor and the second hydraulic motor are connected with the oil supply system through a switching valve so as to realize switching between parallel connection and series connection states of the first oil motor and the second hydraulic motor.
8. A drilling and grouting power system for a multiplex operation as defined in claim 1, wherein the drilling driving mechanism employs a drilling driving hydraulic cylinder having an axis arranged in a first direction, a piston rod end of the drilling driving hydraulic cylinder being fixed to one end of the table, and a cylinder body thereof being fixedly connected to the movable table and slidably connected to the table.
9. The drilling and grouting power system for multi-process operation according to claim 1, wherein the switching driving mechanism adopts a switching driving hydraulic cylinder with an axis arranged along the second direction, a piston rod of the switching driving hydraulic cylinder is connected with the supporting table, and a cylinder body of the switching driving hydraulic cylinder is connected with the moving table.
10. A drilling and injection power system adapted for multiple operation as defined in claim 1, wherein
The end parts of the output shafts of the hydraulic impact power assembly and the multi-rotating-speed power assembly are respectively provided with an internal thread structure,
Can be fixedly connected with the corresponding drilling tool thread through the internal thread structure.
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| CN104154206A (en) * | 2013-05-13 | 2014-11-19 | 林德液压两合公司 | Hydraulic mechanical transmission with hydraulic motor and mechanical multi-speed gear shift transmission |
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