CN206360940U - One kind is coaling vehicle hydraulic system - Google Patents
One kind is coaling vehicle hydraulic system Download PDFInfo
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- CN206360940U CN206360940U CN201621400953.8U CN201621400953U CN206360940U CN 206360940 U CN206360940 U CN 206360940U CN 201621400953 U CN201621400953 U CN 201621400953U CN 206360940 U CN206360940 U CN 206360940U
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- check valve
- hydraulic system
- oil circuit
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Abstract
The utility model is related to Coal Mechanical technical field, more particularly to one kind is coaling vehicle hydraulic system.One kind is coaling vehicle hydraulic system, including oil cylinder, at least one hydraulic pump, check valve, electromagnetic relief valve, input oil circuit, output circuit, tedge oil circuit and emergency system, battery is provided with emergency system, battery is connected with least one accumulator, and one end of accumulator is connected on oil cylinder, and the other end of accumulator is connected with the first solenoid directional control valve, first solenoid directional control valve is connected with the first check valve, and the first check valve is connected on input oil circuit.The utility model proposes vehicle hydraulic system of coalingging, by being provided with emergency system, and this emergency system is also connected in oil cylinder, it can ensure when any component wear in the failure of high-pressure high-flow pump or this vehicle hydraulic system of coalingging, can be for standby stored energy power, the work of whole vehicle hydraulic system of coalingging is ensured, the normal operation of each executing agency on charging car is ensured so that charging car normal work.
Description
Technical field
The utility model is related to Coal Mechanical technical field, more particularly to one kind is coaling vehicle hydraulic system.
Background technology
Charging car is run on the coal charging car track of oven top of coke oven, and its effect is to take coal from coal tower first, then through coal tower
Electronic scale is weighed, and then loads coal in carbonization chamber by production plan, while during coalingging, to the flue gas for hole spilling of coalingging
It is collected and is mixed into appropriate air and imported into fixed dust main, finally carries out dedusting in ground station for dust removal of coalingging.
Only with by the fuel feeding side of a constant flow paddle pump plus a proportional pressure control valve in existing vehicle hydraulic system of coalingging
Formula controls the action of each executing agency on charging car, such as to rising the control that pipe device is opened and resetted, internal guide pin bushing
It is vertical and move horizontally the control for waiting activity, the control acted to flashboard opening and closing etc., thus when the failure of this pump or
Any component wear in this vehicle hydraulic system of coalingging of person, will all cause whole vehicle hydraulic system of coalingging to be stopped, it is impossible to protect
The normal operation of each executing agency on charging car is demonstrate,proved, so as to cause charging car can not complete normal work, is wasted substantial amounts of
Human and material resources and time.
Utility model content
The purpose of this utility model is to propose that one kind coalings vehicle hydraulic system there is provided emergency system, ensures charging car hydraulic pressure
On system main line during component wear, each executing agency can normally run on charging car, it is ensured that the normal work of charging car.
For up to this purpose, the utility model uses following technical scheme：
One kind is coaling vehicle hydraulic system, including oil cylinder, and the oil cylinder is connected with least one hydraulic pump, each hydraulic pump
It is connected with check valve and electromagnetic relief valve, the oil outlet end of the check valve is connected with input oil circuit, the electromagnetic relief valve goes out
Oily end is back in the oil cylinder, and the input oil circuit is connected with tedge oil circuit, and the tedge oil circuit is additionally attached to output
On oil circuit, the output circuit is back in oil cylinder；The oil cylinder is also associated with being provided with emergency system, the emergency system
Battery, the battery is connected with least one accumulator, and one end of the accumulator is connected on the oil cylinder, described to store
The other end of energy device is connected with the first solenoid directional control valve, and first solenoid directional control valve is connected with the first check valve, described first
Check valve is connected on the input oil circuit.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, the hydraulic pump is pair vane pump.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, the group number of the pair vane pump is two, each group of duplex
Vane pump includes high-pressure pump and low-lift pump, and the high-pressure pump is connected with the second check valve and the first electromagnetic relief valve, the low pressure
Pump is connected with the 3rd check valve and the second electromagnetic relief valve, and the oil outlet end of second check valve and the 3rd check valve passes through
Oil circuit is connected on input oil circuit, and the oil outlet end of first electromagnetic relief valve and second electromagnetic relief valve is connected to oil cylinder
On, guide pin bushing oil circuit in vertical is also set side by side between the input oil circuit and the output circuit, in level guide pin bushing oil circuit and
Flashboard oil circuit.
The second electromagnetism is sequentially installed with as a kind of preferred scheme for vehicle hydraulic system of coalingging, on the tedge oil circuit to change
To valve, two the 4th check valves arranged side by side, two the first one-way throttle valves and riser oil cylinder arranged side by side；
The 3rd solenoid directional control valve, two the 5th check valves arranged side by side, two are disposed with the vertical interior guide pin bushing oil circuit
Individual second one-way throttle valve arranged side by side and vertical interior guide pin bushing oil cylinder；
The 4th solenoid directional control valve, two the 6th check valves arranged side by side, two are disposed with the level on guide pin bushing oil circuit
Guide pin bushing oil cylinder in individual 3rd one-way throttle valve arranged side by side and level；
Be sequentially installed with the flashboard oil circuit the 5th solenoid directional control valve, two the 7th check valves arranged side by side, two side by side
The 4th one-way throttle valve and flashboard oil cylinder.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, the high-pressure pump side is provided with high pressure pump motor, described
The 8th check valve and return filter are disposed between output circuit and the oil cylinder.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, the oil inlet of second check valve is provided with first pressure
Table, the oil inlet of the 3rd check valve is provided with second pressure table, and second check valve and the 3rd check valve go out
Hydraulic fluid port connection is provided with the 3rd pressure gauge.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, second check valve and the 3rd check valve are plug-in list
To valve.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, first check valve is hydraulic control one-way valve.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, between the accumulator and first solenoid directional control valve also
It is provided with pressure switch.
As a kind of preferred scheme for vehicle hydraulic system of coalingging, between the accumulator and first solenoid directional control valve also
Repairing oil circuit is provided with, the repairing oil circuit includes slippage pump, and three tunnels of oil-out point of the slippage pump are connected to repairing
Pressure gauge, the 9th check valve and the 3rd electromagnetic relief valve, the oil outlet end of the 9th check valve are connected to the accumulator and institute
State on the oil circuit between the first solenoid directional control valve, the 3rd electromagnetic relief valve is connected on the oil cylinder.
The beneficial effects of the utility model are：
The utility model proposes vehicle hydraulic system of coalingging, by being provided with emergency system, and this emergency system also connects
It is connected in oil cylinder, it is ensured that when any component wear in the failure of high-pressure high-flow pump or this vehicle hydraulic system of coalingging
When, the work of whole vehicle hydraulic system of coalingging for standby stored energy power, can be ensured, each executing agency on charging car is ensured
Normal operation so that charging car normal work.
Brief description of the drawings
, below will be to the utility model embodiment in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing used required in description is briefly described, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to the content and these accompanying drawings of the utility model embodiment.
Fig. 1 is the structural representation for the vehicle hydraulic system of coalingging that the utility model embodiment is provided；
Fig. 2 is tedge oil circuit in the utility model embodiment, it is vertical in guide pin bushing oil circuit, guide pin bushing oil in level
Road and the structural representation of flashboard oil circuit；
Fig. 3 is the structural representation of the repairing oil circuit in the utility model embodiment.
Marked in figure as follows：
10- oil cylinders；11- inputs oil circuit；12- electric heaters；13- tedge oil circuits；14- output circuits；15- slippage pumps electricity
Machine；16- accumulators；The solenoid directional control valves of 17- first；The check valves of 18- first；19- pair vane pumps；20- high pressure pump motors；21-
Second check valve；The electromagnetic relief valves of 22- first；The check valves of 23- the 3rd；The electromagnetic relief valves of 24- second；Guide pin bushing oil in 25- is vertical
Road；Guide pin bushing oil circuit in 26- levels；27- flashboard oil circuits；The check valves of 28- the 8th；29- return filters；30- first pressure tables；
31- second pressure tables；The pressure gauges of 32- the 3rd；33- pressure switches；34- repairing oil circuits；
The solenoid directional control valves of 130- second；The check valves of 131- the 4th；The one-way throttle valves of 132- first；133- risers
Oil cylinder；
190- high-pressure pumps；191- low-lift pumps；
The solenoid directional control valves of 250- the 3rd；The check valves of 251- the 5th；The one-way throttle valves of 252- second；Led in 253- is vertical
Cover oil cylinder；
The solenoid directional control valves of 260- the 4th；The check valves of 261- the 6th；The one-way throttle valves of 262- the 3rd；Led in 263- levels
Cover oil cylinder；
The solenoid directional control valves of 270- the 5th；The check valves of 271- the 7th；The one-way throttle valves of 272- the 4th；273- flashboards oil
Cylinder；
340- slippage pumps；341- oil compensation pressure tables；The check valves of 342- the 9th；The electromagnetic relief valves of 343- the 3rd.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings and pass through
Embodiment further illustrates the technical solution of the utility model.
A kind of preferred vehicle hydraulic system of coalingging provided as shown in Figure 1-Figure 3 for present embodiment, including oil cylinder 10, oil
Cylinder 10, which is connected with least one hydraulic pump, each hydraulic pump, is connected with check valve and electromagnetic relief valve, the oil outlet end of check valve
Input oil circuit 11 is connected with, the oil outlet end of electromagnetic relief valve is back in oil cylinder 10, input oil circuit 11 is connected with tedge oil circuit
13, tedge oil circuit 13 is additionally attached on output circuit 14, and output circuit 14 is back in oil cylinder 10；Oil cylinder 10 is also associated with should
Battery is provided with anxious system, emergency system, battery is connected with least one accumulator 16, one end connection of accumulator 16
On oil cylinder 10, the other end of accumulator 16 is connected with the first solenoid directional control valve 17, and the first solenoid directional control valve 17 is connected with first
Check valve 18, the first check valve 18 is connected on input oil circuit 11.
Hydraulic pump is pair vane pump 19 in present embodiment, and is set side by side with two groups of pair vane pumps 19, and two sets double
Join the respective stand-by pump each other of vane pump 19, after a set of pair vane pump 19 breaks down, another set of pair vane pump 19
The normal operation of whole vehicle hydraulic system of coalingging can also be maintained.Every suit pair vane pump 19 includes a high-pressure pump 190 also
There is a low-lift pump 191, high-pressure pump 190 can provide the power source of big flow, and low-lift pump 191 provides the power source of low discharge.
High-pressure pump 190 is connected with the second check valve 21 and the first electromagnetic relief valve 22, and the second check valve 21 is plug-in list
To valve, spring is provided with this plug-in one-way valve, plug-in one-way valve is arranged on to the exit of pump, can anti-locking system
Pressure raises and damages oil pump suddenly, plays a part of non-return.The oil outlet end of second check valve 21 is connected to input by oil circuit
On oil circuit 11, the oil outlet end of the first electromagnetic relief valve 22 is connected on oil cylinder 10, during vehicle hydraulic system normal work of coalingging herein,
And when needing to use big flow power, the first electromagnetic relief valve 22 obtains electric so that high-pressure pump 190 is pressurized oil suction.Input oil circuit 11
Be connected with tedge oil circuit 13 in turn between output circuit 14, it is vertical in guide pin bushing oil circuit 25, guide pin bushing oil circuit 26 and lock in level
Tray manifold 27.Herein, it is also not limited to set above-mentioned four kinds of oil circuits between input oil circuit 11 and output circuit 14, can be according to need
Other oil circuits are set.When high-pressure pump 190 is pressurized oil suction, and 260 liang of the 3rd solenoid directional control valve 250 and the 4th solenoid directional control valve
At least one in person obtains electric, realizes vehicle hydraulic system big flow power operation of coalingging.3rd reversing solenoid valve 250 obtains electric, then erects
Guide pin bushing oil circuit 25 is turned in straight：When the left side of the 3rd reversing solenoid valve 250 obtains electric, realize that interior guide pin bushing does motion straight up；When
The right side of 3rd reversing solenoid valve 250 obtains electric, realizes that interior guide pin bushing does motion straight down.4th reversing solenoid valve 260 obtains electric, real
Guide pin bushing oil circuit 26 is turned in existing level：When the left side of the 4th reversing solenoid valve 260 obtains electric, realize that interior guide pin bushing does the fortune of level to the left
It is dynamic；When the right side of the 4th reversing solenoid valve 260 obtains electric, realize that interior guide pin bushing does the motion of level to the right.Flowed out from output circuit 14
Hydraulic oil flows back into oil cylinder 10 by the 8th check valve 28 and return filter 29.Return filter 29 is mostly installed at hydraulic pressure system
On the return line of system, the various dirts such as produced abrasive particle can be by setting oil return in the course of the work for all kinds of Hydraulic Elements
Filter 29 and be intercepted, it is to avoid turn again to fuel tank, sucked again by hydraulic pump.The license pressure difference of return filter 29, root
According to different pressures rank, scope is determined in 0.3~0.5MPa, precision according to contamination level of oil liquid requirement is specific.Return filter 29
The setting factor to be considered it is more some more, one of key factor is hydraulic shock, and especially there are hydraulic cylinder and ratio in upstream
In the case of example valve, the commutation of hydraulic cylinder and the unexpected power down of proportioning valve under high pressure can all produce very big moment flow punching
Hit, very big injury can be caused to the filter core of return filter 29, be reinforced when designing return filter 29 in structure.
Low-lift pump 191 is connected with the 3rd check valve 23 and the second electromagnetic relief valve 24, and the 3rd check valve 23 is also plug-in
Check valve.The oil outlet end of 3rd check valve 23 by oil circuit be connected to input oil circuit 11 on, the second electromagnetic relief valve 24 it is fuel-displaced
End is connected on oil cylinder 10, during vehicle hydraulic system normal work of coalingging herein, and when needing to use low discharge power, the second electromagnetism
Overflow valve 24 obtains electric so that low-lift pump 191 is pressurized in oil suction, both the second solenoid directional control valve 130 and the 5th solenoid directional control valve 270
At least one obtains electric, realizes vehicle hydraulic system low discharge power operation of coalingging.Second reversing solenoid valve 130 obtains electric, then tedge
Oil circuit 13 is turned on：When the left side of the second reversing solenoid valve 130 obtains electric, realize that rising pipe device opens；When the second reversing solenoid valve 130
Right side obtains electric, realizes that rising pipe device resets.5th reversing solenoid valve 270 obtains electric, then flashboard oil circuit 27 is turned on：When the 5th commutation
The left side of magnetic valve 270 obtains electric, then flashboard is opened；When the right side of the 5th reversing solenoid valve 270 obtains electric, then flashboard is closed.From output oil
The hydraulic oil that road 14 is flowed out flows back into oil cylinder 10 by the 8th check valve 28 and return filter 29.
By being provided with pair vane pump 19, it is achieved thereby that charging car rise the control of pipe device and flap arrangement
When processed, from small displacement pump, when carrying out the control of guide pin bushing in vertical interior guide pin bushing and level, from large discharge pump, so as to ensure
Each control action saves power of motor, it is therefore prevented that unnecessary spill losses from the pumpage matched, saves energy
Source, can additionally reduce the phenomenon of fluid heating, reduce the number of times of the vehicle hydraulic system failure of coalingging, save substantial amounts of
Human and material resources and time.
In addition, the oil inlet of the second check valve 21 is provided with first pressure table 30, the oil inlet of the 3rd check valve 23 is set
There is a second pressure table 31, the oil-out connection of the second check valve 21 and the 3rd check valve 23 is provided with the 3rd pressure gauge 32,
The pressure of hydraulic oil on each check valve can be detected at any time, especially when this vehicle hydraulic system of coalingging breaks down, Ke Yitong
The pressure value crossed on each pressure gauge, the element that quick analysis investigation breaks down, saves and repairs this vehicle hydraulic system of coalingging
Time and manpower.
First check valve 18 of the vehicle hydraulic system of coalingging is hydraulic control one-way valve.Motor at generation pair vane pump 19
Can not normal work when, the battery being arranged in emergency system will start so that the first solenoid directional control valve 17 it is electric,
The first check valve 18 is controlled to open, so as to realize emergency system in tedge oil circuit 13, vertical interior guide pin bushing oil circuit 25, level
Hydraulic oil in the supply of guide pin bushing oil circuit 26 and the power of flashboard oil circuit 27, accumulator 16 can provide power, dragging charging car
Support coal plate returns to home, it is ensured that the security reliability of equipment, in addition, accumulator 16 is alternatively arranged as emergent power of coalingging
Source, in power off time section, ensures that charging car continues normal work, by being provided with emergency system, and this emergency system
Be connected in oil cylinder 10, it is ensured that when pump break down or this vehicle hydraulic system of coalingging in any component wear when, can be with
For standby stored energy power, the work of whole vehicle hydraulic system of coalingging is ensured, the normal fortune of each executing agency on charging car is ensured
OK so that charging car normal work.
Repairing oil circuit 34 is additionally provided between the solenoid directional control valve 17 of accumulator 16 and first, repairing oil circuit 34 includes slippage pump
340, the side of slippage pump 340 is provided with repairing pump motor 15, and three tunnels of oil-out point of slippage pump 340 are connected to repairing pressure
Power table 341, the 9th check valve 342 and the 3rd electromagnetic relief valve 343, the oil outlet end of the 9th check valve 342 are connected to accumulator 16
And on the first oil circuit between solenoid directional control valve 17, the 3rd electromagnetic relief valve 343 is connected on oil cylinder 10, the electricity of accumulator 16 and first
Magnetic reversal valve 17 is additionally provided with pressure switch 33.When the 3rd electromagnetic relief valve 343 obtains electric, it can be pressurized slippage pump 340, liquid
Force feed is delivered to the 9th check valve 342 by slippage pump 340, and hydraulic oil is added in accumulator 16, in case making after having a power failure
Used for power source.Pressure switch 33 sets two points of height, and when hydraulic oil reaches low spot, slippage pump 340 starts to increase
Pressure, draws the hydraulic oil in oil cylinder 10；When hydraulic oil reaches high point, slippage pump 340 stops supercharging, stops repairing action.
Electric heater 12 is additionally provided with oil cylinder 10, electric heater 12 is also connected with temperature sensor, works as TEMP
When the oil temperature that device is measured is less than set point of temperature, electric heater 12 starts to start；When the oil temperature that temperature sensor is measured reaches regulation
After temperature, electric heater 12 is out of service.
Note, general principle of the present utility model and principal character has been shown and described above and of the present utility model excellent
Point.It should be understood by those skilled in the art that, the utility model is not limited to the embodiments described above, and above-mentioned embodiment and is said
Simply illustrate principle of the present utility model described in bright book, on the premise of the utility model spirit and scope are not departed from, this
Utility model also has various changes and modifications, and these changes and improvements are both fallen within the range of claimed the utility model,
Claimed scope of the present utility model is by appended claims and its equivalent thereof.
Claims (10)
- The vehicle hydraulic system 1. one kind is coaling, including oil cylinder (10), it is characterised in that the oil cylinder (10) is connected with least one liquid Check valve and electromagnetic relief valve are connected with press pump, each hydraulic pump, the oil outlet end of the check valve is connected with input oil circuit (11), the oil outlet end of the electromagnetic relief valve is back in the oil cylinder (10), and the input oil circuit (11) is connected with tedge Oil circuit (13), the tedge oil circuit (13) is additionally attached on output circuit (14), and the output circuit (14) is back to oil cylinder (10) in；The oil cylinder (10) is also associated with emergency system, the emergency system being provided with battery, the battery connection There is at least one accumulator (16), one end of the accumulator (16) is connected on the oil cylinder (10), the accumulator (16) The other end be connected with the first solenoid directional control valve (17), first solenoid directional control valve (17) is connected with the first check valve (18), First check valve (18) is connected on the input oil circuit (11).
- 2. vehicle hydraulic system according to claim 1 of coalingging, it is characterised in that the hydraulic pump is pair vane pump (19)。
- 3. vehicle hydraulic system according to claim 2 of coalingging, it is characterised in that the group number of the pair vane pump (19) is Two, each group of pair vane pump (19) includes high-pressure pump (190) and low-lift pump (191), and the high-pressure pump (190) is connected with second Check valve (21) and the first electromagnetic relief valve (22), the low-lift pump (191) are connected with the 3rd check valve (23) and the second electromagnetism Overflow valve (24), the oil outlet end of second check valve (21) and the 3rd check valve (23) is connected to input oil by oil circuit On road (11), the oil outlet end of first electromagnetic relief valve (22) and second electromagnetic relief valve (24) is connected to oil cylinder (10) On, also it is set side by side with guide pin bushing oil circuit (25), level in vertical between the input oil circuit (13) and the output circuit (14) Interior guide pin bushing oil circuit (26) and flashboard oil circuit (27).
- 4. vehicle hydraulic system according to claim 3 of coalingging, it is characterised in that pacify successively on the tedge oil circuit (13) Equipped with the second solenoid directional control valve (130), two the 4th check valves (131) arranged side by side, two the first one-way throttle velocity modulations arranged side by side Valve (132) and riser oil cylinder (133)；It is described it is vertical in that the 3rd solenoid directional control valve (250), two arranged side by side five are disposed with guide pin bushing oil circuit (25) is unidirectional Valve (251), two the second one-way throttle valves (252) arranged side by side and vertical interior guide pin bushing oil cylinder (253)；The 4th solenoid directional control valve (260), two arranged side by side six are disposed with the level on guide pin bushing oil circuit (26) unidirectional Guide pin bushing oil cylinder (263) in valve (261), two the 3rd one-way throttle valves (262) and level arranged side by side；The 5th solenoid directional control valve (270), two the 7th check valves arranged side by side are sequentially installed with the flashboard oil circuit (27) (271), two the 4th one-way throttle valves (272) and flashboard oil cylinder (273) arranged side by side.
- 5. the vehicle hydraulic system of coalingging according to claim 3 or 4, it is characterised in that high-pressure pump (190) side is set There is high pressure pump motor (20), the 8th check valve (28) is disposed between the output circuit (14) and the oil cylinder (10) and is returned Oil strainer (29).
- 6. the vehicle hydraulic system of coalingging according to claim 3 or 4, it is characterised in that the second check valve (21) are entered Hydraulic fluid port is provided with first pressure table (30), and the oil inlet of the 3rd check valve (23) is provided with second pressure table (31), described The oil-out connection of second check valve (21) and the 3rd check valve (23) is provided with the 3rd pressure gauge (32).
- 7. vehicle hydraulic system according to claim 6 of coalingging, it is characterised in that second check valve (21) and the 3rd list It is plug-in one-way valve to valve (23).
- 8. the vehicle hydraulic system of coalingging according to claim any one of 1-4, it is characterised in that first check valve (18) For hydraulic control one-way valve.
- 9. the vehicle hydraulic system of coalingging according to claim any one of 1-4, it is characterised in that the accumulator (16) and institute State and be additionally provided with pressure switch (33) between the first solenoid directional control valve (17).
- 10. vehicle hydraulic system according to claim 9 of coalingging, it is characterised in that the accumulator (16) and described first Repairing oil circuit (34) is additionally provided between solenoid directional control valve (17), the repairing oil circuit (34) includes slippage pump (340), described to mend Three tunnels of the oil-out of oil pump (340) point are connected to oil compensation pressure table (341), the 9th check valve (342) and the 3rd electromagnetism and overflow Valve (343) is flowed, the oil outlet end of the 9th check valve (342) is connected to the accumulator (16) and first solenoid directional control valve (17) on the oil circuit between, the 3rd electromagnetic relief valve (343) is connected on the oil cylinder (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400953.8U CN206360940U (en) | 2016-12-20 | 2016-12-20 | One kind is coaling vehicle hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621400953.8U CN206360940U (en) | 2016-12-20 | 2016-12-20 | One kind is coaling vehicle hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360940U true CN206360940U (en) | 2017-07-28 |
Family
ID=59375318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621400953.8U Expired - Fee Related CN206360940U (en) | 2016-12-20 | 2016-12-20 | One kind is coaling vehicle hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206360940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005968A (en) * | 2017-12-01 | 2018-05-08 | 江西工埠机械有限责任公司 | Emergency brake release system, control method and its hoisting system |
| CN115013369A (en) * | 2022-07-12 | 2022-09-06 | 中国铁路设计集团有限公司 | Synchronous hydraulic system |
-
2016
- 2016-12-20 CN CN201621400953.8U patent/CN206360940U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005968A (en) * | 2017-12-01 | 2018-05-08 | 江西工埠机械有限责任公司 | Emergency brake release system, control method and its hoisting system |
| CN108005968B (en) * | 2017-12-01 | 2023-09-15 | 江西工埠机械有限责任公司 | Emergency brake release system, control method and lifting system thereof |
| CN115013369A (en) * | 2022-07-12 | 2022-09-06 | 中国铁路设计集团有限公司 | Synchronous hydraulic system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |