CN205744656U - A kind of hydraulic system of steel ladle hydraulic pressure turn-over device - Google Patents
A kind of hydraulic system of steel ladle hydraulic pressure turn-over device Download PDFInfo
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- CN205744656U CN205744656U CN201620686048.7U CN201620686048U CN205744656U CN 205744656 U CN205744656 U CN 205744656U CN 201620686048 U CN201620686048 U CN 201620686048U CN 205744656 U CN205744656 U CN 205744656U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 120
- 239000010959 steel Substances 0.000 title claims abstract description 120
- 230000007306 turnover Effects 0.000 title claims abstract description 37
- 239000002828 fuel tank Substances 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 8
- 210000000056 organ Anatomy 0.000 claims description 6
- 230000000241 respiratory effect Effects 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000003921 oil Substances 0.000 description 45
- 239000010720 hydraulic oil Substances 0.000 description 12
- 230000007246 mechanism Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The utility model discloses the hydraulic system of a kind of steel ladle hydraulic pressure turn-over device, belong to technical field of metallurgical equipment.It includes that oil-feeding control part, master cylinder control part and auxiliary cylinder control part；In oil-feeding control part, fuel tank, main pump, check valve and filter are sequentially connected with by pipeline, and electromagnetic relief valve is between main delivery side of pump and fuel tank, and mair motor is in transmission connection with main pump, provide pressure oil for system；Master cylinder control part includes proportioning valve, the first solenoid directional control valve and steel ladle oil cylinder, for controlling the rotary movement of steel ladle；Auxiliary cylinder control part includes air relief valve, the second solenoid directional control valve, one-way throttle valve and locking cylinder, for controlling locking or the unblock of steel ladle.This utility model can carry out system, comprehensively control steel ladle hydraulic pressure turn-over device, it is ensured that stability, reliability and the safety of equipment operation, is greatly improved production efficiency, reduces production cost.
Description
Technical field
This utility model belongs to the Hydraulic System of Metallurgical Equipment field, more particularly, it relates to a kind of steel ladle hydraulic pressure upset
The hydraulic system of device.
Background technology
At present, the steelshop of domestic and international metallurgy industry major part steel plant, the especially STEELMAKING PRODUCTION line of continuous casting process
Need supporting ladle-pot hot-repair device steel ladle turning device.The most conventional steel ladle upset mode has: elevator is tumbled, driven a vehicle
Tumble, machinery is tumbled, hydraulic pressure is tumbled, and cuts both ways.Elevator equipment investment of tumbling is less, but civil engineering puts into relatively big, and equipment is tieed up
Protecting input and also compare many, overall economic benefit is bad, and the ladle being used for less than 40 tons at present is tumbled；Driving is tumbled, equipment
Zero puts into, but driving input cost is the highest, and the orbit occupancy rate of driving is high, has a strong impact on the production in workshop, and produces effect
Rate is low, has the biggest relation with the level of moving operation personnel, and molten steel recovery rate is low, and manning is more, floor manager people
The life of member can not be guaranteed safely, waters the iron block cast out not of uniform size, is the most rarely employed；Machinery is tumbled, and cost puts into
Relatively big, more costly, safety can not be guaranteed, and is currently also rarely employed in plant maintenance.
Hydraulic pressure upset mode has that driving force is big, operates steadily, efficiency advantages of higher, and its lifting weight, up to 250 tons, is
Presently the most conventional steel ladle tippling device.Steel ladle hydraulic dumping device is bulky, and steel ladle contains molten steel, is in height
Temperature, high vibrations, high pollution harsh environments in, the stability of its work, reliability, safety etc. are required the highest,
Its decisive action is that the hydraulic system of equipment.At present, the hydraulic system of steel ladle hydraulic dumping device is relatively simple, equipment
Operational stability, reliability, safety all ratios are relatively low, it is often necessary to maintenance down is safeguarded, and occur with security incident, seriously
Affect production efficiency, restrict it and promote the use of.
Such as, Chinese Patent Application No. is: 201310207758.8, filing date: the patent literary composition on May 29th, 2013
Offering, disclose a kind of hydraulic turnover device of hot metal ladle, its steel construction underframe is fixed on ground；Described steel construction underframe both sides pair
Claim to be fixed with two upset hydraulic cylinders, two columns and two cushioning support-saddles, and the top of two columns is respectively and fixedly provided with rotation
Seat, the front beam symmetry of travel(l)ing rest is hinged on two rotary supports, and rear cross beam seat is on two cushioning support-saddles；Said two
The tailpiece of the piston rod symmetry of upset hydraulic cylinder is hinged on the left side plate of travel(l)ing rest；Install on the rear cross beam of described travel(l)ing rest
There are locking cylinder and locking bearing pin.This patent of invention gives the overall structure of hydraulic turnover device of hot metal ladle, worked to it
Cheng Jinhang is briefly described, but does not the most illustrate the hydraulic system of device.
And for example, Chinese Patent Application No. is: 201520315278.8, filing date: the patent literary composition on May 15th, 2015
Offering, disclose a kind of ladle tilting facility, for realizing the action of tumbling of ladle, described ladle is tubular and includes radial symmetric
Two ladle trunnions arranged, described ladle tilting facility includes: two dump cradles, respectively can with two described ladle trunnions
Being detachably connected with and clamp described ladle can be with described ladle coaxial rotating to coordinate, each described dump cradle is respectively provided with one
Tie-beam, described in two, dump cradle is connected by tie-beam；Drive mechanism, is connected with dump cradle one of them described to drive
Dump cradle described in two and ladle coaxial rotating；Follower, is connected to assist this to tumble and props up with dump cradle another described
Frame and ladle rotate.The hydraulic system of device is not the most illustrated by this device same.As can be seen here, one is designed completely
The hydraulic system of steel ladle hydraulic pressure turn-over device be current problem demanding prompt solution.
Utility model content
1, problem to be solved
Hydraulic system for existing steel ladle hydraulic dumping device is relatively simple, it is often necessary to maintenance down is safeguarded, and
Occurring with security incident, have a strong impact on production efficiency, restrict its problem promoted the use of, this utility model provides a kind of molten steel
The hydraulic system of bag hydraulic pressure turn-over device, this hydraulic system can carry out system, comprehensively control steel ladle hydraulic pressure turn-over device
System, it is ensured that stability, reliability and the safety of equipment operation, is greatly improved production efficiency, reduces production cost.
2, technical scheme
For solving the problems referred to above, this utility model adopts the following technical scheme that.
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device, controls partly and auxiliary including oil-feeding control part, master cylinder
Help oil cylinder control part；Wherein:
Described oil-feeding control part includes fuel tank, main pump, mair motor, electromagnetic relief valve, check valve and filter, oil
Case, main pump, check valve and filter are sequentially connected with by pipeline, and electromagnetic relief valve is arranged between main delivery side of pump and fuel tank,
Mair motor is in transmission connection with main pump；
Described master cylinder control part includes proportioning valve, the first solenoid directional control valve and steel ladle oil cylinder, going out of filter
Mouth is connected with the P mouth of proportioning valve, the P mouth of the first solenoid directional control valve respectively, the T mouth of proportioning valve and the T mouth of the first solenoid directional control valve
All being connected with fuel tank, the A mouth of proportioning valve and the A mouth of the first solenoid directional control valve all connect the rodless cavity of steel ladle oil cylinder, proportioning valve
B mouth and the B mouth of the first solenoid directional control valve all connect the rod chamber of steel ladle oil cylinder；
Described auxiliary cylinder control part includes air relief valve, the second solenoid directional control valve, one-way throttle valve and locking cylinder,
The outlet of filter connects the P mouth of the second solenoid directional control valve by air relief valve, and the T mouth of the second solenoid directional control valve connects fuel tank, the
The A mouth of two solenoid directional control valves connects the rodless cavity of locking cylinder by an one-way throttle valve, and the B mouth of the second solenoid directional control valve leads to
Cross another one-way throttle valve and connect the rod chamber of locking cylinder.
Further, described oil-feeding control part also includes accumulator, and the outlet of filter is by accumulator ball valve even
Connected tank, accumulator is connected between filter and accumulator ball valve.
Further, described fuel tank is provided with heater, respiratory organ and liquidometer.
Further, described main pump is provided with antivibration pad.
Further, described master cylinder control part also includes balanced valve, and balanced valve is arranged on A mouth and the steel of proportioning valve
Between the rodless cavity of oil-in-water cylinder.
Further, described master cylinder control part also includes hydraulic control one-way valve, and the import of hydraulic control one-way valve connects flat
Weighing apparatus valve, the outlet of hydraulic control one-way valve connects the rodless cavity of steel ladle oil cylinder, the control port of hydraulic control one-way valve and steel ladle oil cylinder
Rod chamber connect.
Further, between A mouth and the B mouth of the first described solenoid directional control valve, bidirectional hydraulic lock is set.
Further, described master cylinder control part also includes choke valve and ball valve, the rodless cavity of steel ladle oil cylinder, joint
Stream valve, ball valve and fuel tank are sequentially connected with by pipeline；The rod chamber of described steel ladle oil cylinder by unloading one-way valve with
Fuel tank connects.
Further, also include that fluid cools down control part；Described fluid cooling control part includes circulating pump, circulation
Motor, overflow valve, cooler and return filter, fuel tank, circulating pump, cooler and return filter form circulation by pipeline
Loop, circulation motor is in transmission connection with circulating pump, and overflow valve is arranged between circulation delivery side of pump and fuel tank.
Further, described fuel tank is provided with liquid level relay.
3, beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, is controlled by oil-feeding control part, master cylinder
It is stable, reliable and safe that the combination of part and auxiliary cylinder control part three part realizes steel ladle hydraulic pressure turn-over device
Control, oil-feeding control part for system provide pressure oil and ensure system pressure in safety range, master cylinder control part control
Steel ladle oil cylinder processed, the cooperation of passing ratio valve and the first solenoid directional control valve controls, it is achieved stablizing or quick of steel ladle oil cylinder
Process and backhaul, auxiliary cylinder controls part controlled lockmaking locking oil cylinder to the locking of steel ladle or unblock；
(2) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, the accumulator of oil-feeding control part can ensure
Duty system pressure is stable, can make accumulator off-load by accumulator ball valve, and main pump dallies, system unloaded, and
The most beyond thought, when power-off or the system failure, accumulator coordinates the manual operation of the first solenoid directional control valve, can drive lock
Locking oil cylinder works, and makes steel ladle quick release；
(3) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, fuel tank is provided with heater, can enter hydraulic oil
Row preheating, respiratory organ ensures that fuel tank external and internal pressure is identical, liquidometer can hydraulic oil height in fuel tank at any time, main pump is provided with shock-absorbing
Pad, reduces the vibrations of pump；
(4) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, sets between proportioning valve and steel ladle oil cylinder
Put balanced valve, play balance pressure effect, it is ensured that the stability of oil cylinder, increase the service life, and on steel ladle oil cylinder, hydraulic control is set
Check valve, locks steel ladle oil cylinder under power-off or system fault condition, it is to avoid steel ladle drops suddenly and causes danger, improves peace
Quan Xing；For enabling steel ladle under power-off or system fault condition to return to original state, steel ladle oil cylinder passes through choke valve, ball valve
Be connected with fuel tank, under steel ladle oil cylinder locking state, open ball valve, steel ladle can slowly land to initial position, i.e.
The piston rod of steel ladle oil cylinder is regained in cylinder barrel；
(5) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, the A mouth of the first solenoid directional control valve and B mouth it
Between bidirectional hydraulic lock is set, in the first solenoid directional control valve is positioned at during position, disconnect the connection between itself and steel ladle oil cylinder, by reducing pressure
Valve controls steel ladle cylinder efficient；
(6) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, is provided with fluid cooling control part, to oil
In case, hydraulic oil cools down, it is to avoid analysis of hydraulic oil overheat, it is ensured that system worked well；
(7) hydraulic system of this utility model steel ladle hydraulic pressure turn-over device, fuel tank is provided with liquid level relay, connects control
System processed, when hydraulic oil liquid level is too low, it is achieved shut down, the function such as warning.
Accompanying drawing explanation
Fig. 1 is the hydraulic scheme of this utility model steel ladle hydraulic pressure turn-over device；
Fig. 2 is partial enlarged drawing 1. in Fig. 1；
Fig. 3 is partial enlarged drawing 2. in Fig. 1；
Fig. 4 is partial enlarged drawing 3. in Fig. 1；
Fig. 5 is partial enlarged drawing 4. in Fig. 1；
Fig. 6 is the original state structural representation of a kind of steel ladle hydraulic pressure turn-over device；
Fig. 7 is the rollover states structural representation of a kind of steel ladle hydraulic pressure turn-over device.
In figure: 1, fuel tank；101, heater；102, respiratory organ；103, liquidometer；2, main pump；201, mair motor；202, keep away
Shake pad；3, electromagnetic relief valve；4, check valve；5, filter；6, proportioning valve；7, the first solenoid directional control valve；8, bidirectional hydraulic lock；9、
Balanced valve；10, steel ladle oil cylinder；11, hydraulic control one-way valve；12, choke valve；13, ball valve；14, air relief valve；15, the second electromagnetism changes
To valve；16, one-way throttle valve；17, locking cylinder；18, circulating pump；19, overflow valve；20, return filter；21, cooler；
22, accumulator；23, accumulator ball valve；24, base；25, travel(l)ing rest；26, steel ladle；27, steel ladle retaining mechanism.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, this utility model is further described below.
Embodiment 1
A kind of hydraulic system of the steel ladle hydraulic pressure turn-over device of the present embodiment, the steel ladle hydraulic pressure turn-over device controlled
As shown in Figure 6 and Figure 7, this steel ladle hydraulic pressure turn-over device includes base 24, travel(l)ing rest 25, steel ladle oil cylinder 10, steel to structure
Water bag 26 and steel ladle retaining mechanism 27；Wherein, travel(l)ing rest 25 is hingedly connected on base 24, the piston of steel ladle oil cylinder 10
Bar is hinged with travel(l)ing rest 25, and the cylinder barrel of steel ladle oil cylinder 10 is hinged with base 24, and steel ladle 26 is placed on travel(l)ing rest 25,
And be connected by steel ladle retaining mechanism 27 is fixing with travel(l)ing rest 25, the dynamical element of steel ladle retaining mechanism 27 is locking oil
Cylinder 17.
In conjunction with Fig. 1 to Fig. 5, the hydraulic system of above-mentioned steel ladle hydraulic pressure turn-over device, it includes oil-feeding control part, main oil
Cylinder controls part, auxiliary cylinder controls part and fluid cooling controls part, carries out the structure of these parts separately below
Describe in detail.
As in figure 2 it is shown, described oil-feeding control part includes fuel tank 1, main pump 2, mair motor 201, electromagnetic relief valve 3, list
To valve 4, filter 5, accumulator 22 and accumulator ball valve 23；Wherein, fuel tank 1 is provided with heater 101, respiratory organ 102 and liquid level
Meter 103, hydraulic oil is preheated by heater 101, and respiratory organ 102 ensures that fuel tank external and internal pressure is identical, and liquidometer 103 can be at any time
Hydraulic oil height in fuel tank 1.Fuel tank 1, main pump 2, check valve 4 and filter 5 are sequentially connected with by pipeline, and electromagnetic relief valve 3 sets
Putting between the outlet and fuel tank 1 of main pump 2, mair motor 201 is in transmission connection with main pump 2, and main pump 2 uses constant voltage plunger displacement pump, and sets
It is equipped with antivibration pad 202, reduces the vibrations of pump.The outlet of filter 5 connects fuel tank 1 by accumulator ball valve 23, and accumulator 22 is even
Being connected between filter 5 and accumulator ball valve 23, accumulator 22 can ensure that duty system pressure is stable, by accumulator ball
Valve 23 can make accumulator 22 off-load, and main pump 1 dallies, system unloaded, and the most surprisingly, in power-off or system
During fault, accumulator 22 coordinates the operation of the first following solenoid directional control valve 7, locking cylinder 17 can be driven to work, make steel ladle
26 quick releases.In the present embodiment, fuel tank 1 is provided with liquid level relay, and relay connection control system, in fuel tank 1 liquid level
During less than setting value, report to the police or shut down, system is shielded.
As it is shown on figure 3, described master cylinder control part includes proportioning valve the 6, first solenoid directional control valve 7, balanced valve 9 and steel
Oil-in-water cylinder 10；Wherein, the outlet of filter 5 is connected with P mouth, the P mouth of the first solenoid directional control valve 7 of proportioning valve 6 respectively, ratio
The T mouth of valve 6 and the T mouth of the first solenoid directional control valve 7 are all connected with fuel tank 1, the A mouth of proportioning valve 6 and the A of the first solenoid directional control valve 7
Mouth all passes through balanced valve 9 and connects the rodless cavity of steel ladle oil cylinder 10, and the B mouth of proportioning valve 6 and the B mouth of the first solenoid directional control valve 7 are all
Connect the rod chamber of steel ladle oil cylinder 10, and between the A mouth of the first solenoid directional control valve 7 and B mouth, bidirectional hydraulic lock 8 is set, the
When one solenoid directional control valve 7 is in middle position, disconnect the connection of itself and steel ladle oil cylinder 10.In the present embodiment, proportioning valve 6 and the first electricity
Magnetic reversal valve 7 is three-position four-way valve, and proportioning valve 6 is when middle position, and each hydraulic fluid port is not connected, in the first solenoid directional control valve 7 during position,
P mouth disconnects, and A mouth and B mouth are all connected with T mouth.
In the present embodiment, master cylinder control part also includes hydraulic control one-way valve 11, choke valve 12 and ball valve 13, fluid-control one-way
Valve 11 is arranged between balanced valve 9 and steel ladle oil cylinder 10, i.e. the import connecting balanced valve 9 of hydraulic control one-way valve 11, fluid-control one-way
The outlet of valve 11 connects the rodless cavity of steel ladle oil cylinder 10, and the control port of hydraulic control one-way valve 11 has bar with steel ladle oil cylinder 10
Chamber connects；The rodless cavity of steel ladle oil cylinder 10, choke valve 12, ball valve 13 and fuel tank 1 are sequentially connected with by pipeline, and steel ladle oil
The rod chamber of cylinder 10 is connected with fuel tank 1 by a unloading one-way valve.
As shown in Figure 4, described auxiliary cylinder control part includes air relief valve the 14, second solenoid directional control valve 15, unidirectional joint
Stream valve 16 and locking cylinder 17, the outlet of filter 5 connects the P mouth of the second solenoid directional control valve 15, the second electricity by air relief valve 14
The T mouth of magnetic reversal valve 15 connects fuel tank 1, and the A mouth of the second solenoid directional control valve 15 connects locking oil by an one-way throttle valve 16
The rodless cavity of cylinder 17, the B mouth of the second solenoid directional control valve 15 has bar by what another one-way throttle valve 16 connected locking cylinder 17
Chamber.Second solenoid directional control valve 15 is three-position four-way valve, and during middle position, each hydraulic fluid port disconnects, not connected.
As it is shown in figure 5, described fluid cooling control part includes circulating pump 18, circulation motor, overflow valve 19, cooler
21 and return filter 20, fuel tank 1, circulating pump 18, cooler 21 and return filter 20 form closed circuit by pipeline, follow
Ring motor is in transmission connection with circulating pump 18, and overflow valve 19 is arranged between the outlet of circulating pump 18 and fuel tank 1.Fluid cooling controls
Hydraulic oil in fuel tank 1 is cooled down by part, it is to avoid analysis of hydraulic oil overheat, it is ensured that system worked well.
A kind of hydraulic system of the steel ladle hydraulic pressure turn-over device of the present embodiment, its working condition is as follows:
1. steel ladle upset duty
The left position of proportioning valve 6 or right position are connected, the first solenoid directional control valve 7 is in middle position, the second right position of solenoid directional control valve 15 and connects
Logical, steel ladle oil cylinder 10 promotes travel(l)ing rest 25 to drive steel ladle 26 to overturn, and locking cylinder 17 works, steel ladle retaining mechanism 27
Steel ladle 26 is locked on travel(l)ing rest 25.
2. the quick rollover states of steel ladle
Proportioning valve 6 and the first solenoid directional control valve 7 are simultaneously in left position or right position, and the flow of steel ladle oil cylinder 10 increases, speed
Degree speeds, it is achieved the quick upset of steel ladle 26.
3. power-off or failsafe state
Under this state, steel ladle oil cylinder 10 fuel cut-off, under hydraulic control one-way valve 11 acts on, steel ladle oil cylinder 10 pins,
Steel ladle 26 will not drop suddenly；Now, opening ball valve 13, in steel ladle oil cylinder 10, hydraulic oil flows back to fuel tank by choke valve 12
1, steel ladle 26 slowly declines.
4. power-off or fault steel ladle unlock
Under this state, locking cylinder 17 fuel cut-off, locking cylinder 17 is in locking state, now regulates the second electromagnetism and changes
To the spool of valve 15 to left position, under the effect of accumulator 22, steel ladle retaining mechanism 27 unlocks, i.e. steel ladle 26 is propped up with movable
Frame 25 is separable.
5. hydraulic oil cooling state
Circulating pump 18 works, and will flow back to fuel tank 1, it is achieved hydraulic pressure in hydraulic oil suction cooler 21 in fuel tank 1 after cooling
Oil cooling is lowered the temperature.
In sum, the hydraulic system of the steel ladle hydraulic pressure turn-over device of the present embodiment passes through oil-feeding control part, main oil
Cylinder controls part, auxiliary cylinder controls part and fluid cooling controls the tetrameric combination of part, turns over steel ladle hydraulic pressure
Rotary device carries out system, comprehensively controls, it is ensured that stability, reliability and the safety of equipment operation, is greatly improved production effect
Rate, reduces production cost.
Example described in the utility model is only to be described preferred implementation of the present utility model, not to this reality
It is defined by novel spirit and scope, on the premise of without departing from this utility model design philosophy, this area engineering people
Member's various deformation of making the technical solution of the utility model and improvement, all should fall into protection domain of the present utility model.
Claims (10)
1. the hydraulic system of a steel ladle hydraulic pressure turn-over device, it is characterised in that: include that oil-feeding control part, master cylinder control
Part and auxiliary cylinder control part；Wherein:
Described oil-feeding control part includes fuel tank (1), main pump (2), mair motor (201), electromagnetic relief valve (3), check valve (4)
With filter (5), fuel tank (1), main pump (2), check valve (4) and filter (5) be sequentially connected with by pipeline, electromagnetic relief valve
(3) being arranged between the outlet of main pump (2) and fuel tank (1), mair motor (201) is in transmission connection with main pump (2)；
Described master cylinder control part includes proportioning valve (6), the first solenoid directional control valve (7) and steel ladle oil cylinder (10), filters
The outlet of device (5) is connected with P mouth, the P mouth of the first solenoid directional control valve (7) of proportioning valve (6) respectively, the T mouth of proportioning valve (6) and
The T mouth of one solenoid directional control valve (7) is all connected with fuel tank (1), and the A mouth of proportioning valve (6) and the A mouth of the first solenoid directional control valve (7) are all
Connecting the rodless cavity of steel ladle oil cylinder (10), the B mouth of proportioning valve (6) and the B mouth of the first solenoid directional control valve (7) all connect steel ladle
The rod chamber of oil cylinder (10)；
Described auxiliary cylinder control part include air relief valve (14), the second solenoid directional control valve (15), one-way throttle valve (16) and
Locking cylinder (17), the outlet of filter (5) connects the P mouth of the second solenoid directional control valve (15), the second electricity by air relief valve (14)
The T mouth of magnetic reversal valve (15) connects fuel tank (1), and the A mouth of the second solenoid directional control valve (15) is by an one-way throttle valve (16) even
Connecing the rodless cavity of locking cylinder (17), the B mouth of the second solenoid directional control valve (15) connects lock by another one-way throttle valve (16)
The rod chamber of locking oil cylinder (17).
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 1, it is characterised in that: described confession
Oil control part also includes accumulator (22), and the outlet of filter (5) connects fuel tank (1), accumulation of energy by accumulator ball valve (23)
Device (22) is connected between filter (5) and accumulator ball valve (23).
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 1 and 2, it is characterised in that: described
Fuel tank (1) be provided with heater (101), respiratory organ (102) and liquidometer (103).
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 1 and 2, it is characterised in that: described
Main pump (2) be provided with antivibration pad (202).
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 1, it is characterised in that: described master
Oil cylinder control part also includes that balanced valve (9), balanced valve (9) are arranged on the A mouth of proportioning valve (6) and the nothing of steel ladle oil cylinder (10)
Between bar chamber.
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 5, it is characterised in that: described master
Oil cylinder control part also includes hydraulic control one-way valve (11), the outlet of the import connecting balanced valve (9) of hydraulic control one-way valve (11), hydraulic control
The outlet of check valve (11) connects the rodless cavity of steel ladle oil cylinder (10), the control port of hydraulic control one-way valve (11) and steel ladle oil
The rod chamber of cylinder (10) connects.
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 5, it is characterised in that: described
Between A mouth and the B mouth of one solenoid directional control valve (7), bidirectional hydraulic lock (8) is set.
8. according to the hydraulic system of a kind of steel ladle hydraulic pressure turn-over device described in claim 5 or 6, it is characterised in that: described
Master cylinder control part also include choke valve (12) and ball valve (13), the rodless cavity of steel ladle oil cylinder (10), choke valve (12),
Ball valve (13) and fuel tank (1) are sequentially connected with by pipeline；The rod chamber of described steel ladle oil cylinder (10) passes through an off-load list
It is connected with fuel tank (1) to valve.
A kind of hydraulic system of steel ladle hydraulic pressure turn-over device, it is characterised in that: also wrap
The cooling of oil scraper liquid controls part；Described fluid cooling control part include circulating pump (18), circulation motor, overflow valve (19),
Cooler (21) and return filter (20), fuel tank (1), circulating pump (18), cooler (21) and return filter (20) pass through
Pipeline forms closed circuit, and circulation motor is in transmission connection with circulating pump (18), and overflow valve (19) is arranged on going out of circulating pump (18)
Between mouth and fuel tank (1).
The hydraulic system of a kind of steel ladle hydraulic pressure turn-over device the most according to claim 1, it is characterised in that: described
Fuel tank (1) is provided with liquid level relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686048.7U CN205744656U (en) | 2016-06-30 | 2016-06-30 | A kind of hydraulic system of steel ladle hydraulic pressure turn-over device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686048.7U CN205744656U (en) | 2016-06-30 | 2016-06-30 | A kind of hydraulic system of steel ladle hydraulic pressure turn-over device |
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| CN205744656U true CN205744656U (en) | 2016-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620686048.7U Withdrawn - After Issue CN205744656U (en) | 2016-06-30 | 2016-06-30 | A kind of hydraulic system of steel ladle hydraulic pressure turn-over device |
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| Country | Link |
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| CN (1) | CN205744656U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909582A (en) * | 2016-06-30 | 2016-08-31 | 马鞍山市致呈机电有限公司 | Hydraulic system of steel ladle hydraulic turnover device |
| CN108488132A (en) * | 2018-05-18 | 2018-09-04 | 宁波真格液压科技有限公司 | A kind of twin-tub autocontrol valve |
| CN109826928A (en) * | 2019-02-01 | 2019-05-31 | 浙江工业大学 | A Linear Motion Variable Speed Variable Stroke Synthesis System |
| CN110112532A (en) * | 2019-05-06 | 2019-08-09 | 中国电子科技集团公司第三十八研究所 | A kind of convertible antenna synchronous expansion system and control method |
-
2016
- 2016-06-30 CN CN201620686048.7U patent/CN205744656U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105909582A (en) * | 2016-06-30 | 2016-08-31 | 马鞍山市致呈机电有限公司 | Hydraulic system of steel ladle hydraulic turnover device |
| CN108488132A (en) * | 2018-05-18 | 2018-09-04 | 宁波真格液压科技有限公司 | A kind of twin-tub autocontrol valve |
| CN109826928A (en) * | 2019-02-01 | 2019-05-31 | 浙江工业大学 | A Linear Motion Variable Speed Variable Stroke Synthesis System |
| CN109826928B (en) * | 2019-02-01 | 2023-11-17 | 浙江工业大学 | A linear motion variable speed and stroke synthesis system |
| CN110112532A (en) * | 2019-05-06 | 2019-08-09 | 中国电子科技集团公司第三十八研究所 | A kind of convertible antenna synchronous expansion system and control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20170405 |
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| AV01 | Patent right actively abandoned |