CN106640797B - Side dumper compartment overturns pneumatic-hydraulic control system - Google Patents
Side dumper compartment overturns pneumatic-hydraulic control system Download PDFInfo
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- CN106640797B CN106640797B CN201611193399.5A CN201611193399A CN106640797B CN 106640797 B CN106640797 B CN 106640797B CN 201611193399 A CN201611193399 A CN 201611193399A CN 106640797 B CN106640797 B CN 106640797B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
- F15B11/072—Combined pneumatic-hydraulic systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D9/00—Tipping wagons
- B61D9/04—Adaptations of rail vehicle elements to tipping wagons
- B61D9/12—Body fitments or devices facilitating or controlling outflow on discharge
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/22—Synchronisation of the movement of two or more servomotors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of side dumper compartment to overturn pneumatic-hydraulic control system, it includes compartment and rises control solenoid valve, compartment dropping place control solenoid valve, hand-operated valve, three position directional valve, the first control gas circuit, the second control gas circuit, gas source module, gas-liquid modular converter, three-position four-way valve, syncmotor fuel oil supply unit, hand oil pump, multiple compartment turning operation oil cylinders and multiple balance valve modules corresponding with compartment turning operation oil cylinder number.The present invention can make the switching process of side dumper compartment more safe and reliable.And also improve the component life of side dumper compartment upset pneumatic-hydraulic control system.
Description
Technical field
The present invention relates to rail freight technical field, in particular to a kind of side dumper compartment upset Pneumatic hydraulic control system
System.
Background technology
At present, the control system of railway side dumper mainly has two kinds of pneumatic control and hydraulic control, wherein, pneumatic control is again
Including the following two kinds form：The first is pure pneumatic control, i.e., in car body both sides device cylinder (a diameter of 800mm or so), profit
Cylinder is driven with locomotive air source, so as to open and reset car door；Second is to utilize locomotive air source, driving air-driven hydraulic pump pump
Liquid, makes hydraulic cylinder extension, to realize the opening of car door and reset.
Comparatively speaking there is more preferable stability and greater compactness of structure than pure pneumatic control using hydraulic control.The patent No.
For 201110292671.6 Chinese patent《Side dumper and its control system》, the scheme disclosed passes through gas-powered Pneumatic Liquid
Press pump carries out pump liquid, then under the control of Pneumatic reversal valve, control fluid driving hydraulic cylinder is stretched.Can be manually operated and
Straighforward operation.In the patent, Pneumatic reversal valve shares same pressure gas source with air-driven hydraulic pump, in locomotive air source insufficient pressure
When, both may not reach the pressure needed for work, influence system worked well；Between two hydraulic cylinders of the vehicle per side not
Syncmotor is set, if loading inequality two hydraulic cylinder actions will be caused asynchronous, and influence the Hydraulic Elements service life；In addition, this
After vehicle carries out unloading operation in unloading place in patent, if compartment can not retract, and scene can not repair, it is necessary to transport back
Checked to maintenance shop.Retell vehicle and tow back to during maintenance shop that there are great security risk.
The content of the invention
Present invention aim to provide a kind of side dumper compartment upset pneumatic-hydraulic control system, which can make side
The switching process of overturning compartment is more safe and reliable.
In order to achieve this, the side dumper compartment upset pneumatic-hydraulic control system designed by the present invention, it is characterised in that：
It includes compartment and rises control solenoid valve, compartment dropping place control solenoid valve, hand-operated valve, three position directional valve, the first control gas circuit, the
Two control gas circuits, gas source module, gas-liquid modular converter, three-position four-way valve, syncmotor fuel oil supply unit, hand oil pump, multiple compartments
Turning operation oil cylinder and multiple balance valve modules corresponding with compartment turning operation oil cylinder number；
Wherein, compartment rises the input of one end of control solenoid valve, one end of compartment dropping place control solenoid valve and hand-operated valve
End is all connected with the first ventilation end of gas source module, the first output of the other end connection hand-operated valve of compartment dropping place control solenoid valve
End, compartment rise the second output terminal of the other end connection hand-operated valve of control solenoid valve, and compartment rises the another of control solenoid valve
End is also connected with the first control end interface of three position directional valve, and the other end of compartment dropping place control solenoid valve is also connected with three position directional valve
Second control end interface；
The input terminal of second ventilation end connection three position directional valve of gas source module, the first output terminal of three position directional valve pass through
First control end interface of the first control gas circuit connection three-position four-way valve, the second output terminal of three position directional valve pass through the second control
Second control end interface of gas circuit connection three-position four-way valve, the gas input of gas-liquid modular converter are respectively connected to the first control gas
Road and the second control gas circuit；
The oil inlet P of the oil outlet connection three-position four-way valve of gas-liquid modular converter, the oil return opening O and hydraulic pressure of three-position four-way valve
Fuel tank connects, the oil cylinder top-feed first interface of the corresponding balance valve module of the first oil outlet A connections of three-position four-way valve, each
The oil cylinder top-feed second interface for balancing valve module connects the top hydraulic fluid port of corresponding compartment turning operation oil cylinder, three-position four-way valve
The second oil outlet B connection syncmotor fuel oil supply units oil inlet, each oil outlet of syncmotor fuel oil supply unit connects respectively
The oil cylinder bottom fuel feeding first interface of corresponding balance valve module is connect, the oil cylinder bottom fuel feeding second interface of each balance valve module connects
The bottom hydraulic fluid port of corresponding compartment turning operation oil cylinder is connect, the oil cylinder top-feed first interface of each balance valve module passes through hand oil
Pump connection hydraulic oil container；
Connect between the oil cylinder bottom fuel feeding first interface of each balance valve module and the second oil outlet B of three-position four-way valve
The 4th check valve is connected to, the oil cylinder bottom fuel feeding first of the corresponding balance valve module of input terminal connection of each 4th check valve connects
Mouthful, the second oil outlet B of the output terminal connection three-position four-way valve of each 4th check valve.
The present invention sets balance valve module in the bottom of compartment turning operation oil cylinder, occurs tension during cylinder jacking
It during phenomenon, can in time throttle, avoid the too fast extraction of oil cylinder piston, and the strength turned over is buckled using the weight balancing compartment of chassis, protect
Demonstrate,prove the rollover stability of vehicle；
Syncmotor is set to carry out on two compartment turning operation oil cylinder oil inlet pipelines of homonymy in the hydraulic system of the present invention
Equilibrium point oil, ensures two compartment turning operation oil cylinder synchronization actions of homonymy, avoids the occurrence of the phenomenon of other strength, improve side dumper
Compartment overturns the component life of pneumatic-hydraulic control system；
Hand pump is set in the side dumper compartment upset pneumatic-hydraulic control system of the present invention, to realize meeting an urgent need back for compartment
Position.It ensure that compartment upset failure (failure compartment can not dropping place after vehicle carries out unloading operation in unloading place) needs to drag
When returning between repairing, the security during trailer.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Wherein, 1-compartment rise control solenoid valve, 2-compartment dropping place control solenoid valve, 3-hand-operated valve, 4-three change
To valve, 5-the first control gas circuit, 6-the second control gas circuit, 7-gas source module, the 8-the first check valve, 9-overflow valve, 10-
Gas-liquid modular converter, 11-three-position four-way valve, 12-syncmotor fuel oil supply unit, the 13-the four check valve, 14-hand oil pump,
15-balance valve module, 16-hydraulic oil container, the 17-the second check valve, the 18-the three check valve, the 19-the five check valve, 20-
6th check valve, 21-compartment turning operation oil cylinder.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
Side dumper compartment upset pneumatic-hydraulic control system as shown in Figure 1, it include compartment rise control solenoid valve 1,
Compartment dropping place control solenoid valve 2, hand-operated valve 3, three position directional valve 4, first control gas circuit 5, second to control gas circuit 6, gas source module
7th, gas-liquid modular converter 10, three-position four-way valve 11, syncmotor fuel oil supply unit 12, hand oil pump 14, multiple compartment turning operations oil
(balance valve module 15 is used to reversely save for cylinder 21 and multiple balance valve modules 15 corresponding with 21 numbers of compartment turning operation oil cylinder
Stream, i.e., oil cylinder is normally pressurized, and when there is oil cylinder exception tension when unloading, throttling can be started by changing valve, prevent compartment from being drawn by inertia
Turn over)；
Wherein, compartment rises the defeated of one end of control solenoid valve 1, one end of compartment dropping place control solenoid valve 2 and hand-operated valve 3
Enter the first ventilation end that end is all connected with gas source module 7, the other end of compartment dropping place control solenoid valve 2 connects the first of hand-operated valve 3
Output terminal, compartment rise the second output terminal of the other end connection hand-operated valve 3 of control solenoid valve 1, and compartment rises control solenoid valve 1
The other end be also connected with three position directional valve 4 first control end interface, compartment dropping place control solenoid valve 2 the other end be also connected with three
Second control end interface of position switching valve 4；
The input terminal of second ventilation end connection three position directional valve 4 of gas source module 7, the first output terminal of three position directional valve 4
The first control end interface of three-position four-way valve 11 is connected by the first control gas circuit 5, the second output terminal of three position directional valve 4 passes through
Second control gas circuit 6 connects the second control end interface of three-position four-way valve 11, the gas input difference of gas-liquid modular converter 10
The control gas circuit 5 and second of access first controls gas circuit 6；
The oil inlet P of the oil outlet connection three-position four-way valve 11 of gas-liquid modular converter 10, the oil return opening O of three-position four-way valve 11
It is connected with hydraulic oil container 16, the oil cylinder top-feed of the corresponding balance valve module 15 of the first oil outlet A connections of three-position four-way valve 11
First interface, each oil cylinder top-feed second interface for balancing valve module 15 connect the top of corresponding compartment turning operation oil cylinder 21
Portion's hydraulic fluid port, the oil inlet of the second oil outlet B connection syncmotors fuel oil supply unit 12 of three-position four-way valve 11, syncmotor fuel feeding mould
Each oil outlet of block 12 connects the oil cylinder bottom fuel feeding first interface of corresponding balance valve module 15, each balance valve module respectively
15 oil cylinder bottom fuel feeding second interface connects the bottom hydraulic fluid port of corresponding compartment turning operation oil cylinder 21, each balance valve module 15
Oil cylinder top-feed first interface pass through hand oil pump 14 connect hydraulic oil container 16；
Between the oil cylinder bottom fuel feeding first interface of each balance valve module 15 and the second oil outlet B of three-position four-way valve 11
The 4th check valve 13 is respectively connected with, the oil cylinder bottom of the corresponding balance valve module 15 of input terminal connection of each 4th check valve 13 supplies
Oily first interface, the second oil outlet B of the output terminal connection three-position four-way valve 11 of each 4th check valve 13.
In above-mentioned technical proposal, compartment turning operation can be achieved in solenoid valve and hand-operated valve 3, is ensureing compartment turning operation
Convenience while, improve the reliability of compartment turning operation.
In above-mentioned technical proposal, it further includes overflow valve 9, and the oil inlet P of the three-position four-way valve 11 is connected by overflow valve 9
Connect hydraulic oil container 16.Overflow valve 9 is used for control system pressure.
In above-mentioned technical proposal, it is equipped between the gas input of the gas-liquid modular converter 10 and the first control gas circuit 5
First check valve 8, input terminal connection the first control gas circuit 5 of the first check valve 8, the output terminal connection gas-liquid of the first check valve 8
The gas input of modular converter 10 (effect of the first check valve 8 is to prevent hydraulic oil from pouring in down a chimney return-air liquid converting unit).
In above-mentioned technical proposal, it is equipped between the gas input of the gas-liquid modular converter 10 and the second control gas circuit 6
Second check valve 17, input terminal connection the second control gas circuit 6 of second check valve 17, the output terminal of the second check valve 17 connect
Connect the gas input of gas-liquid modular converter 10.
In above-mentioned technical proposal, between the oil outlet of the gas-liquid modular converter 10 and the oil inlet P of three-position four-way valve 11
Equipped with the 3rd check valve 18, the oil outlet of the input terminal connection gas-liquid modular converter 10 of the 3rd check valve 18, the 3rd is unidirectional
The oil inlet P of the output terminal connection three-position four-way valve 11 of valve 18.
In above-mentioned technical proposal, set between the oil cylinder top-feed first interface and hand oil pump 14 of each balance valve module 15
Have the 5th check valve 19, the output terminal of the input terminal connection hand oil pump 14 of the 5th check valve 19, the 5th check valve 19 it is defeated
The oil cylinder top-feed first interface of each balance valve module 15 of outlet connection.
In above-mentioned technical proposal, the 6th check valve 20 is equipped between the hand oil pump 14 and hydraulic oil container 16, the described 6th
The input terminal connection hydraulic oil container 16 of check valve 20, the input terminal of the output terminal connection hand oil pump 14 of the 6th check valve 20.
In above-mentioned technical proposal, the three position directional valve 4 is 3 position-5 way valve.
Upset pneumatic-hydraulic control system in side dumper compartment is provided with three kinds of operator schemes in the present invention, and wherein solenoid valve is grasped
Make and hand-operated valve operation is normal operating.When needing compartment to rise, compartment is sent by remote controler and rises wireless signal connection electricity
Road, makes compartment rise control solenoid valve 1 and moves to connection position, or (hand-operated valve 3 is defeated at this time to the connection of right position for operation hand-operated valve 3
Enter the second output terminal of the logical hand-operated valve 3 of termination), air rises control solenoid valve 1 or manual by gas source module 7 by compartment at this time
3 right position of valve, promotes three position directional valve 4, its left position is connected (i.e. the of the input terminal connection three position directional valve 4 of three position directional valve 4
One output terminal), air is switched to the first control gas circuit 5 and promotes three by gas source module 7 by 4 left position of three position directional valve at this time
Position is connected in four-way valve 11 to left side, and (i.e. the first oil outlet A of three-position four-way valve 11 connects oil return opening O, and oil inlet P is connected second and gone out
Hydraulic fluid port B)；At the same time the first control gas circuit 5 connects gas-liquid modular converter 10 by the first check valve 8, and pressure oil output is led to
11 left position of three-position four-way valve (oil inlet P and the second oil outlet B) is crossed to syncmotor fuel oil supply unit 12, syncmotor fuel oil supply unit
12 divide equally fluid to the oil cylinder bottom fuel feeding first interface of two balance valve modules 15, and enter 21 bottom of compartment turning operation oil cylinder
Portion, 21 top fluid of compartment turning operation oil cylinder by balancing 15 oil cylinder top-feed second interface of valve module, flow through oil respectively
Cylinder top-feed first interface, and by three-position four-way valve 11 (the first oil outlet A of three-position four-way valve 11 connects oil return opening O at this time)
The piston rod stretching of direct oil return box, at this time compartment turning operation oil cylinder 21, so as to drive compartment to rise.
When the compartment dropping place for needing to rise, compartment dropping place wireless signal is sent by remote controler and connects circuit, falls compartment
Position control solenoid valve 2, which moves to, connects position, or to left position connection, (i.e. the input terminal of hand-operated valve 3 connects hand-operated valve to operation hand-operated valve 3
3 the first output terminal), air controls 3 left position of solenoid valve 2 or hand-operated valve by gas source module 7 by compartment dropping place at this time, promotes three
Position switching valve 4, makes its right position connect (the second output terminal that i.e. input terminal of three position directional valve 4 connects three position directional valve 4).At this time
Air, by 4 right position of three position directional valve, is switched to the second control gas circuit 6 and promotes three-position four-way valve 11 to right side by gas source module 7
Connect position (i.e. the first oil outlet A of three-position four-way valve 11 connects oil inlet P, and oil return opening O connects the second oil outlet B)；It is same with this
When the second control gas circuit 6 gas-liquid modular converter 10 is connected by the second check valve 17, and pressure oil output passes through three-position four-way valve
11 right positions extremely balance the oil cylinder top-feed first interface of valve module 15, and are turned over by oil cylinder top-feed second interface into compartment
Turn the top of operating cyloinder 21, the bottom fluid of compartment turning operation oil cylinder 21 is respectively by balancing 15 oil cylinder bottom fuel feeding of valve module
Second interface simultaneously passes through oil cylinder bottom fuel feeding first interface, the 4th check valve 13, the second oil outlet of three-position four-way valve 11 successively
B, the oil return opening O of three-position four-way valve 11 directly returns hydraulic oil container 16, and the piston rod of compartment turning operation oil cylinder 21 is retracted at this time, from
And drive compartment dropping place.
When in emergency circumstances (vehicle unload place carry out unloading operation after, compartment can not dropping place when) need compartment dropping place
When, to close stance, (three-position four-way valve 11 is in interposition to operation three-position four-way valve 11 at this time, i.e. the first oil outlet A and second goes out
Hydraulic fluid port B connects oil return opening O, and oil inlet P is closed), hand oil pump 14 is then operated, by fluid by balancing the oil cylinder top of valve module 15
Portion's fuel feeding first interface and oil cylinder top-feed second interface, into the top hydraulic fluid port of compartment turning operation oil cylinder 21, compartment turns over
Turn 21 bottom fluid of operating cyloinder respectively by balancing 15 oil cylinder bottom fuel feeding second interface of valve module and passing through oil cylinder bottom successively
Portion's fuel feeding first interface, the 4th check valve 13, the second oil outlet B of three-position four-way valve 11, the oil return opening O of three-position four-way valve 11 are straight
Hydraulic oil container 16 is taken back, cylinder piston rod is retracted at this time, so as to drive compartment dropping place.In the case of may be implemented in thrashing
(i.e. compartment rises control solenoid valve 1, compartment dropping place control solenoid valve 2, hand-operated valve 3, three position directional valve 4, gas source module 7, gas-liquid
12 malfunction and failure of modular converter 10, three-position four-way valve 11 or syncmotor fuel oil supply unit), by compartment dropping place, ensure circuit trailer
Safety.
The content that this specification is not described in detail belongs to the prior art known to professional and technical personnel in the field.
Claims (8)
1. a kind of side dumper compartment overturns pneumatic-hydraulic control system, it is characterised in that：It includes compartment and rises control solenoid valve
(1), compartment dropping place control solenoid valve (2), hand-operated valve (3), three position directional valve (4), the first control gas circuit (5), the second control gas
Road (6), gas source module (7), gas-liquid modular converter (10), three-position four-way valve (11), syncmotor fuel oil supply unit (12), hand oil pump
(14), multiple compartment turning operation oil cylinders (21) and multiple balance valve modules corresponding with compartment turning operation oil cylinder (21) number
(15)；
Wherein, compartment rises one end of control solenoid valve (1), one end of compartment dropping place control solenoid valve (2) and hand-operated valve (3)
Input terminal is all connected with the first ventilation end of gas source module (7), the other end connection hand-operated valve of compartment dropping place control solenoid valve (2)
(3) the first output terminal, compartment rise the second output terminal of the other end connection hand-operated valve (3) of control solenoid valve (1), compartment liter
The other end for playing control solenoid valve (1) is also connected with the first control end interface of three position directional valve (4), compartment dropping place control solenoid valve
(2) the other end is also connected with the second control end interface of three position directional valve (4)；
The input terminal of second ventilation end connection three position directional valve (4) of gas source module (7), the first output of three position directional valve (4)
End connects the first control end interface of three-position four-way valve (11) by the first control gas circuit (5), and the second of three position directional valve (4) is defeated
Outlet connects the second control end interface of three-position four-way valve (11) by the second control gas circuit (6), gas-liquid modular converter (10)
Gas input is respectively connected to the first control gas circuit (5) and the second control gas circuit (6)；
The oil inlet P of the oil outlet connection three-position four-way valve (11) of gas-liquid modular converter (10), the oil return of three-position four-way valve (11)
Mouth O is connected with hydraulic oil container (16), the oil cylinder of the corresponding balance valve module (15) of the first oil outlet A connections of three-position four-way valve (11)
Top-feed first interface, the oil cylinder top-feed second interface for each balancing valve module (15) connect corresponding compartment turning operation
The top hydraulic fluid port of oil cylinder (21), the oil inlet of the second oil outlet B connection syncmotor fuel oil supply units (12) of three-position four-way valve (11)
Mouthful, each oil outlet of syncmotor fuel oil supply unit (12) connects the oil cylinder bottom fuel feeding the of corresponding balance valve module (15) respectively
One interface, the oil cylinder bottom fuel feeding second interface of each balance valve module (15) connect corresponding compartment turning operation oil cylinder (21)
Bottom hydraulic fluid port, the oil cylinder top-feed first interface of each balance valve module (15) connect hydraulic oil container by hand oil pump (14)
(16)；
Between the oil cylinder bottom fuel feeding first interface of each balance valve module (15) and the second oil outlet B of three-position four-way valve (11)
It is respectively connected with the 4th check valve (13), the oil cylinder of the corresponding balance valve module (15) of input terminal connection of each 4th check valve (13)
Bottom fuel feeding first interface, the second oil outlet B of the output terminal connection three-position four-way valve (11) of each 4th check valve (13).
2. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：It further includes excessive
Valve (9) is flowed, the oil inlet P of the three-position four-way valve (11) connects hydraulic oil container (16) by overflow valve (9).
3. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：The gas-liquid turns
The first check valve (8) is equipped between the gas input of mold changing block (10) and the first control gas circuit (5), the first check valve (8)
The first control gas circuit (5) of input terminal connection, the gas input of the output terminal connection gas-liquid modular converter (10) of the first check valve (8)
End.
4. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：The gas-liquid turns
The second check valve (17), second check valve are equipped between the gas input of mold changing block (10) and the second control gas circuit (6)
(17) the second control gas circuit (6) of input terminal connection, the output terminal connection gas-liquid modular converter (10) of the second check valve (17)
Gas input.
5. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：The gas-liquid turns
The 3rd check valve (18) is equipped between the oil outlet of mold changing block (10) and the oil inlet P of three-position four-way valve (11), the described 3rd is single
To the oil outlet of the input terminal connection gas-liquid modular converter (10) of valve (18), the output terminal of the 3rd check valve (18) connects three four
The oil inlet P of port valve (11).
6. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：Each balanced valve
The 5th check valve (19) is equipped between the oil cylinder top-feed first interface and hand oil pump (14) of module (15), the 5th is unidirectional
The output terminal of the input terminal connection hand oil pump (14) of valve (19), the output terminal of the 5th check valve (19) connect each balance valve module
(15) oil cylinder top-feed first interface.
7. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：The hand oil pump
(14) the 6th check valve (20), the input terminal connection hydraulic oil of the 6th check valve (20) are equipped between hydraulic oil container (16)
Case (16), the input terminal of the output terminal connection hand oil pump (14) of the 6th check valve (20).
8. side dumper compartment according to claim 1 overturns pneumatic-hydraulic control system, it is characterised in that：Described three are changed
It is 3 position-5 way valve to valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193399.5A CN106640797B (en) | 2016-12-21 | 2016-12-21 | Side dumper compartment overturns pneumatic-hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611193399.5A CN106640797B (en) | 2016-12-21 | 2016-12-21 | Side dumper compartment overturns pneumatic-hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640797A CN106640797A (en) | 2017-05-10 |
| CN106640797B true CN106640797B (en) | 2018-04-24 |
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| CN201611193399.5A Active CN106640797B (en) | 2016-12-21 | 2016-12-21 | Side dumper compartment overturns pneumatic-hydraulic control system |
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Families Citing this family (1)
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| CN113428062B (en) * | 2021-07-29 | 2022-09-13 | 三一专用汽车有限责任公司 | Locking control method, device and system for engineering vehicle and engineering vehicle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1987040B (en) * | 2006-12-20 | 2013-03-27 | 四川宏华石油设备有限公司 | Synchronous control device for petroleum drilling rig derrick and base hydraulic lifting |
| CN101210581B (en) * | 2006-12-28 | 2012-04-18 | 中国国际海运集装箱(集团)股份有限公司 | Self-reducing resisting hydraulic cylinder |
| CN201310497Y (en) * | 2008-11-20 | 2009-09-16 | 南车长江车辆有限公司 | A ballast-discharging air-control hydraulic device for railway ballast car |
| CN201597495U (en) * | 2010-02-12 | 2010-10-06 | 北京三兴汽车有限公司 | Hydraulic device for dumping of full trailer train |
| CN103029713B (en) * | 2011-09-29 | 2015-12-09 | 齐齐哈尔轨道交通装备有限责任公司 | side dumper and control system thereof |
| CN103101547B (en) * | 2012-11-26 | 2015-04-22 | 南车长江车辆有限公司 | Air-control hydraulic device used for railway self-discharging vehicle |
| JP6006252B2 (en) * | 2014-03-28 | 2016-10-12 | 日立建機株式会社 | Dump truck hoist equipment |
| CN204567395U (en) * | 2015-05-11 | 2015-08-19 | 陕西汽车集团有限责任公司 | Point dumping truck train hydraulic lifting control system in sequence unloading can be realized repeatedly |
| CN206346967U (en) * | 2016-12-21 | 2017-07-21 | 中车长江车辆有限公司 | Side dumper compartment overturns pneumatic-hydraulic control system |
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