CN204020863U - A kind of braking control system for vehicle traction - Google Patents
A kind of braking control system for vehicle traction Download PDFInfo
- Publication number
- CN204020863U CN204020863U CN201420437577.4U CN201420437577U CN204020863U CN 204020863 U CN204020863 U CN 204020863U CN 201420437577 U CN201420437577 U CN 201420437577U CN 204020863 U CN204020863 U CN 204020863U
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- valve
- brake
- lhd
- oil
- oil inlet
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Abstract
The utility model relates to a kind of braking control system for vehicle traction, comprise diesel LHD fuel-feed system (1), electric LHD brake system (2), the ram valve (1-2) that described diesel LHD fuel-feed system (1) comprises brake pump (1-1), is connected with brake pump, described electric LHD brake system (2) comprises oil path control system (3), foot brake valves group (4), shuttle valve group (5), hand brake valve (6), emergency brake valve (7), rim brake (8) and emergency brake cylinder (9).The utility model is logical to be connected diesel LHD fuel-feed system with electric LHD brake system, solves electric LHD and is being pulled the problem of not easily braking in process; It is easy to operate, reduces operation easier and labour intensity in distraction procedure, reduces the loss of fluid and the pollution of hydraulic efficiency pressure system, and simplify trailer hydraulic efficiency pressure system, improve the stability of system, reduce the fault of generation systems during traction, improve safety performance during trailer.
Description
Technical field
The utility model relates to a kind of braking control system for vehicle traction, is specifically related to the brake system that diesel LHD traction electric LHD is associated.
Background technology
The LH409E electric LHD that down-hole uses, when keeping in repair and change operating location, need to draw with diesel LHD, traditional mode of traction is triangle tractating bar drawing method and motor-Hydraulic Pump drawing method, triangle tractating bar drawing method is mainly through throwing off the front and back transmission shaft of LH409E electric LHD, be communicated with respectively before and after left and right turn oil cylinder, realize the follow-up steering in vehicle to run process, then LH409E electric LHD is connected by draw-bar with diesel LHD, LH409E electric LHD just can be drawn to assigned address by such diesel LHD, but due to working environment reason, will through bend and upper downslope in delivery way, and distance is relatively far away, because at this moment electric LHD cannot carry out from main brake, when there is emergency, electric LHD cannot independently stop, thus generation potential safety hazard, motor-Hydraulic Pump drawing method drives " motor-Hydraulic Pump " device work by diesel LHD steering pump, realize turning at delivery process LH409E electric LHD, and the braking of power shovel, be the brake system of power shovel is connected in parallel in diesel LHD brake system realize.Although motor-Hydraulic Pump drawing method achieve electric LHD distraction procedure from without turning to, control for brake to turning to, control for brake, very difficult in practical operation, easily break down, and a large amount of fluid can be wasted in operation.
Utility model content
The purpose of this utility model provides a kind of braking control system for vehicle traction for problems of the prior art.
A kind of braking control system for vehicle traction, comprise diesel LHD fuel-feed system, electric LHD brake system, described diesel LHD fuel-feed system comprises brake pump, the ram valve be connected with brake pump, described electric LHD brake system comprises road binders path control system, foot brake valves group, shuttle valve group, hand brake valve, emergency brake valve, rim brake and emergency brake cylinder, brake activation valve I oil outlet of described foot brake valves group is connected to shuttle valve I first oil inlet of shuttle valve group, brake activation valve II oil outlet of foot brake valves group is connected to shuttle valve II first oil inlet of shuttle valve group, second oil inlet of described shuttle valve I and shuttle valve II is connected to the oil outlet of hand brake valve, the oil outlet of shuttle valve I is connected to the rim brake before electric LHD in skate, the oil outlet of shuttle valve II is connected to the rim brake after electric LHD in skate, the oil outlet of described emergency brake valve is connected to emergency brake cylinder, described oil path control system comprises the first energy storage, the second energy storage, the 3rd energy storage, the 4th energy storage, solenoid directional control valve and transfer valve, and the first oil outlet of described ram valve is connected with brake activation valve I oil inlet of the first energy storage, foot brake valves group respectively, second oil outlet of described ram valve respectively with the first oil inlet of transfer valve, the oil inlet of solenoid directional control valve, the oil inlet of hand brake valve, brake activation valve II oil inlet of foot brake valves group connects, pipeline between second oil outlet of described ram valve and brake activation valve II oil inlet of foot brake valves group is disposed with the second energy storage, check valve and the 3rd energy storage, pipeline between second oil outlet of described ram valve and the oil inlet of hand brake valve is disposed with check valve and the 4th energy storage, the oil outlet of described solenoid directional control valve is connected to the second oil inlet of transfer valve, the oil outlet of transfer valve is connected to the oil inlet of emergency brake valve.
The utility model has following beneficial effect:
1, braking control system of the present utility model is easy to operate, not only reduces operation easier and labour intensity in distraction procedure, and reduces the loss of fluid and the pollution of hydraulic efficiency pressure system;
2, braking control system of the present utility model simplifies trailer hydraulic efficiency pressure system, improves the stability of system, reduces the fault of generation systems during traction, improves safety performance during trailer;
3, braking control system of the present utility model is easy to operate is not only only applicable to LH409E electric LHD, is also applicable to the delivery of other type downhole electric scoper.
Accompanying drawing explanation
Fig. 1 is system connection diagram of the present utility model.
Detailed description of the invention
A kind of braking control system for vehicle traction as shown in Figure 1, comprise diesel LHD fuel-feed system 1, electric LHD brake system 2, the ram valve 1-2 that described diesel LHD fuel-feed system 1 comprises brake pump 1-1, is connected with brake pump, described electric LHD brake system 2 comprises road binders path control system 3, foot brake valves group 4, shuttle valve group 5, hand brake valve 6, emergency brake valve 7, rim brake 8 and emergency brake cylinder 9, and the brake activation valve I 4-1 oil outlet A of described foot brake valves group 4 is connected to shuttle valve I 5-1 first oil inlet P of shuttle valve group 5
1, the brake activation valve II 4-2 oil outlet A of foot brake valves group 4 is connected to shuttle valve II 5-2 first oil inlet P of shuttle valve group 5
1, second oil inlet P of described shuttle valve I 5-1 and shuttle valve II 5-2
2be connected to the oil outlet A of hand brake valve 6, the oil outlet A of shuttle valve I 5-1 is connected to the rim brake 8 before electric LHD in skate, and the oil outlet A of shuttle valve II 5-2 is connected to the rim brake 8 after electric LHD in skate; The oil outlet A of described emergency brake valve 7 is connected to emergency brake cylinder 9, described oil path control system 3 comprises the first energy storage 3-1, the second energy storage 3-2, the 3rd energy storage 3-3, the 4th energy storage 3-4, solenoid directional control valve 3-5 and transfer valve 3-6, the first oil outlet T of described ram valve 1-2
1be connected with the brake activation valve I 4-1 oil inlet P of the first energy storage 3-1, foot brake valves group 4 respectively; The second oil outlet T of described ram valve 1-2
2respectively with first oil inlet P of transfer valve 3-6
1, the oil inlet P of solenoid directional control valve 3-5, the oil inlet P of hand brake valve 6, the brake activation valve II 5-2 oil inlet P of foot brake valves group 4 connect, the second oil outlet T of described ram valve (1-2)
2and the pipeline between the brake activation valve II 4-2 oil inlet P of foot brake valves group 4 is disposed with the second energy storage 3-2, check valve 3-7 and the 3rd energy storage 3-3, the second oil outlet T of described ram valve 1-2
2and the pipeline between the oil inlet P of hand brake valve 6 is disposed with check valve 3-7 and the 4th energy storage 3-4, the oil outlet A of described solenoid directional control valve 3-5 is connected to second oil inlet P of transfer valve 3-6
2, the oil outlet A of transfer valve 3-6 is connected to the oil inlet P of emergency brake valve 7.
When diesel LHD carries out traction work to electric LHD, diesel LHD ram valve 1-2 is connected with electric LHD brake system 2, and by the flat P of the first oil inlet of transfer valve 3-6
1be communicated with oil outlet A, oil is sent in the accumulator of electric LHD brake system 2 and is stored by the brake pump 1-1 of diesel LHD, when needs are braked, step on foot brake valves group 4, brake activation valve I 4-1 is communicated with brake activation valve II 5-2, oil in first energy storage 3-1 and the 3rd energy storage 3-3 enters shuttle valve group 5 through brake activation valve group 4, at this moment the second oil inlet P of shuttle valve group 5
2close, oil enters rim brake 8 pairs of electric LHDs by the oil outlet A of shuttle valve group 5 and brakes; When starting hand brake valve 6, the oil in the second energy storage 3-2 enters shuttle valve group 5 quickly through hand brake valve 6, at this moment the first oil inlet P of shuttle valve group 5
1close, oil enters rim brake 8 pairs of electric LHDs by the oil outlet A of shuttle valve group 5 and brakes; When starting emergency brake valve 7, the second oil outlet T of ram valve 1-2
2fuel feeding, oil enters emergency brake cylinder 9 through emergency brake valve 7 and carries out emergency braking; When working voluntarily after electric LHD energising, by the flat P of the second oil inlet of transfer valve 3-6
2be communicated with oil outlet A, emergency brake valve 7 controls fuel feeding by solenoid directional control valve 3-5 and carries out emergency braking.
Claims (1)
1. the braking control system for vehicle traction, comprise diesel LHD fuel-feed system (1), electric LHD brake system (2), described diesel LHD fuel-feed system (1) comprises brake pump (1-1), the ram valve (1-2) be connected with brake pump, described electric LHD brake system (2) comprises oil path control system (3), foot brake valves group (4), shuttle valve group (5), hand brake valve (6), emergency brake valve (7), rim brake (8) and emergency brake cylinder (9), brake activation valve I (4-1) oil outlet of described foot brake valves group (4) is connected to shuttle valve I (5-1) first oil inlet of shuttle valve group (5), brake activation valve II (4-2) oil outlet of foot brake valves group (4) is connected to shuttle valve II (5-2) first oil inlet of shuttle valve group (5), second oil inlet of described shuttle valve I (5-1) and shuttle valve II (5-2) is connected to the oil outlet of hand brake valve (6), the oil outlet of shuttle valve I (5-1) is connected to the rim brake (8) before electric LHD in skate, the oil outlet of shuttle valve II (5-2) is connected to the rim brake (8) after electric LHD in skate, the oil outlet of described emergency brake valve (7) is connected to emergency brake cylinder (9), it is characterized in that: described oil path control system (3) comprises the first energy storage (3-1), the second energy storage (3-2), the 3rd energy storage (3-3), the 4th energy storage (3-4), solenoid directional control valve (3-5) and transfer valve (3-6), the first oil outlet of described ram valve (1-2) is connected with brake activation valve I (4-1) oil inlet of the first energy storage (3-1), foot brake valves group (4) respectively, second oil outlet of described ram valve (1-2) respectively with the first oil inlet of transfer valve (3-6), the oil inlet of solenoid directional control valve (3-5), the oil inlet of hand brake valve (6), brake activation valve II (5-2) oil inlet of foot brake valves group (4) connects, pipeline between second oil outlet of described ram valve (1-2) and brake activation valve II (4-2) oil inlet of foot brake valves group (4) is disposed with the second energy storage (3-2), check valve (3-7) and the 3rd energy storage (3-3), pipeline between second oil outlet of described ram valve (1-2) and the oil inlet of hand brake valve (6) is disposed with check valve (3-7) and the 4th energy storage (3-4), the oil outlet of described solenoid directional control valve (3-5) is connected to the second oil inlet of transfer valve (3-6), the oil outlet of transfer valve (3-6) is connected to the oil inlet of emergency brake valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437577.4U CN204020863U (en) | 2014-08-05 | 2014-08-05 | A kind of braking control system for vehicle traction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420437577.4U CN204020863U (en) | 2014-08-05 | 2014-08-05 | A kind of braking control system for vehicle traction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204020863U true CN204020863U (en) | 2014-12-17 |
Family
ID=52060764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420437577.4U Expired - Fee Related CN204020863U (en) | 2014-08-05 | 2014-08-05 | A kind of braking control system for vehicle traction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204020863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890661A (en) * | 2015-06-30 | 2015-09-09 | 三一重机有限公司 | Hydraulic measurement system capable of accurately measuring braking distance and engineering machine |
-
2014
- 2014-08-05 CN CN201420437577.4U patent/CN204020863U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890661A (en) * | 2015-06-30 | 2015-09-09 | 三一重机有限公司 | Hydraulic measurement system capable of accurately measuring braking distance and engineering machine |
| CN104890661B (en) * | 2015-06-30 | 2018-11-16 | 三一重机有限公司 | A kind of hydraulic test system and engineering machinery of precise measurement braking distance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20150805 |
|
| EXPY | Termination of patent right or utility model |