CN203819219U - Cage car for underground coal mine - Google Patents
Cage car for underground coal mine Download PDFInfo
- Publication number
- CN203819219U CN203819219U CN201420148186.0U CN201420148186U CN203819219U CN 203819219 U CN203819219 U CN 203819219U CN 201420148186 U CN201420148186 U CN 201420148186U CN 203819219 U CN203819219 U CN 203819219U
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- valve
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- brake
- parking
- tractor truck
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- 239000003245 coal Substances 0.000 title abstract description 6
- 239000002828 fuel tank Substances 0.000 claims abstract description 10
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 15
- 238000004880 explosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Regulating Braking Force (AREA)
Abstract
A cage car for an underground coal mine comprises a tractor, a trailer and a parking joint brake and parking brake and gear joint control device, wherein the parking joint brake and parking brake and gear joint control device comprises a fuel tank, a filter, a hydraulic pump, a tractor parking brake valve, a tractor parking hydraulic cylinder, a tractor parking brake, a hydraulic control air valve, a first air bag, an air control valve, a relay valve, a check valve, a second air bag, an assistor, trailer brakes, a gear selecting reversing valve I, a gear shifting reversing valve II, a gear selecting air cylinder I and a gear shifting air cylinder II. With the adoption of the brake system, the trailer also brakes during parking brake of the tractor, so that the parking braking force is increased greatly; the reliability of parking brake on a ramp of a vehicle is improved; parking brake and gear joint control is achieved, the vehicle in a parking brake state can neither select or shift the gear nor travel, and the problem that a friction plate of a parking brake is prone to abrasion due to the fact that the vehicle puts into gear for travelling in the parking brake state is solved.
Description
Technical field
The utility model relates to a kind of underground mine use cage car.
Background technology
Underground mine use cage car comprises tractor truck and trailer.In the colliery that adopts vertical exploitation, ground personnel, equipment, material need be transported to down-hole by cage, and the size of each coal mine cage is different, and especially some old coal mine cage sizes are all less, vehicle is difficult to directly drive into cage, after vehicle need being disintegrated, is allowed for access.China's Granted publication CN203268174 U utility model patent discloses a kind of mine anti-explosion semitrailer, tractor truck and superimposed trailer can be seted out fast, has effectively solved the original vehicle inefficient problem causing of disintegrating.According to safety regulations in coal mine, the vehicle under coal mine all needs to arrange service braking system, emergency brake system and parking brake system, and emergency braking and stopping brake are a set of brake system conventionally.This mine anti-explosion semitrailer can be realized tractor truck trailer in the time of service braking braking.But can not realize tractor truck trailer in the time of stopping brake and emergency braking and also have braking.This mine anti-explosion semitrailer can not be realized stopping brake in addition and gear jointly controls.
Utility model content
When the purpose of this utility model is to propose a kind of tractor truck stopping brake, trailer is braked simultaneously and can not block selecting in the time of tractor truck stopping brake and the underground mine use cage car of gearshift.
For achieving the above object, the utility model is taked following technical scheme: this underground mine use cage car, comprise tractor truck and trailer, there is parking Associated brake and stopping brake and gear Combined Control Unit, this device comprises fuel tank, filter, Hydraulic Pump, tractor truck stopping brake valve, tractor truck parking hydraulic actuating cylinder, tractor truck parking brake, hydraulic control air valve, the first gas bag, Pneumatic valve, relay valve, check valve, the second gas bag, assistor, trailer brake, block selecting change-over valve, gearshift change-over valve, gear-selecting cylinder, shifting cylinder;
The oil inlet of Hydraulic Pump is connected with fuel tank by filter, the oil outlet of Hydraulic Pump is connected with the oil inlet P mouth of tractor truck stopping brake valve, the oil outlet A mouth of tractor truck stopping brake valve is connected with the control mouth K mouth of tractor truck parking hydraulic actuating cylinder and hydraulic control air valve respectively by two oily passages, the action of tractor truck parking hydraulic actuating cylinder control tractor truck parking brake, the admission port P mouth of the first gas bag and hydraulic control air valve is connected, the air extractor duct A mouth of hydraulic control air valve is connected with first, the second gas passage, the first gas passage connects the admission port of check valve and the K mouth of Pneumatic valve, the air extractor duct of the second gas bag and check valve is connected, admission port P mouth all with the second gas bag of the admission port P mouth of Pneumatic valve and relay valve is connected, the air extractor duct A mouth of Pneumatic valve is connected with the control mouth K mouth of relay valve, the air extractor duct A mouth of relay valve is connected with assistor, assistor is connected with trailer brake, the second gas passage is divided into two-way again, respectively with the admission port P mouth of block selecting change-over valve, the admission port P mouth of gearshift change-over valve connects, block selecting change-over valve and gearshift change-over valve are controlled respectively gear-selecting cylinder and shifting cylinder action.
Between the oil outlet of Hydraulic Pump and fuel tank, be provided with oily passage, in oily passage, be provided with safety valve.
The utlity model has following good effect: 1. the brake system that the utility model adopts makes tractor truck trailer in the time carrying out stopping brake also have braking, and stopping brake power is improved greatly.Increase the reliability of vehicle stopping brake on ramp.2. the utility model has been realized stopping brake and gear jointly controls, and makes the vehicle cannot block selecting and gearshift at stopping brake state, and vehicle can not be walked, and having solved in the walking of putting into gear of stopping brake state vehicle and having caused the easily problem of wearing and tearing of parking brake friction lining.
Brief description of the drawings
Fig. 1 is the schematic diagram of parking Associated brake and stopping brake and gear Combined Control Unit.
Fig. 2 is the overall diagram of underground mine use cage car.
Detailed description of the invention
Embodiment
See accompanying drawing, a kind of underground mine use cage car, is made up of tractor truck 21 and trailer 22.Tractor truck comprises vehicle frame, driving engine, tor-con etc.
This underground mine use cage car has parking Associated brake and stopping brake and gear Combined Control Unit, this device comprises fuel tank 1, filter 2, Hydraulic Pump 3, safety valve 4, tractor truck stopping brake valve 5, tractor truck parking hydraulic actuating cylinder 6, tractor truck parking brake 7, hydraulic control air valve 8, the first gas bag 9, Pneumatic valve 10, relay valve 11, check valve 12, the second gas bag 13, assistor 14, trailer brake 15, block selecting change-over valve 16-1, gearshift change-over valve 16-2, gear-selecting cylinder 17-1, shifting cylinder 17-2;
The oil inlet of Hydraulic Pump 3 is connected with fuel tank 1 by filter 2, the oil outlet of Hydraulic Pump 3 is connected with the oil inlet P mouth of tractor truck stopping brake valve 5, the oil outlet A mouth of tractor truck stopping brake valve 5 is connected with the control mouth K mouth of tractor truck parking hydraulic actuating cylinder 6 and hydraulic control air valve 8 respectively by two oily passages, and tractor truck parking hydraulic actuating cylinder 6 is controlled tractor truck parking brake 7 and moved.The admission port P mouth of the first gas bag 9 and hydraulic control air valve 8 is connected, the air extractor duct A mouth of hydraulic control air valve 8 is connected with first, second gas passage, the first gas passage 18 connects the admission port of check valve 12 and the K mouth of Pneumatic valve 10, the air extractor duct of check valve 12 is connected with the second gas bag 13, admission port P mouth all with the second gas bag 13 of the admission port P mouth of Pneumatic valve 10 and relay valve 11 is connected, the air extractor duct A mouth of Pneumatic valve 10 is connected with the control mouth K mouth of relay valve 11, the air extractor duct A mouth of relay valve 11 is connected with assistor 14, and assistor 14 is connected with trailer brake 15.The second gas passage 19 is divided into two-way again, is connected respectively with the admission port P mouth of block selecting change-over valve 16-1, the admission port P mouth of gearshift change-over valve 16-2, and block selecting change-over valve 16-1 and gearshift change-over valve 16-2 control respectively gear-selecting cylinder 17-1 and shifting cylinder 17-2 action.
Between the oil outlet of Hydraulic Pump 3 and fuel tank 1, be provided with drainback passage, safety valve 4 is arranged in this drainback passage.
Under normal motoring condition, P mouth and the A mouth of tractor truck stopping brake valve 5 communicate, and the oil that Hydraulic Pump 3 is exported enters tractor truck parking hydraulic actuating cylinder 6 by tractor truck stopping brake valve 5, and tractor truck parking brake 7 is in braking mode not.The oil that the A mouth of tractor truck stopping brake valve 5 flows out promotes hydraulic control air valve 8 and moves, and P mouth and the A mouth of hydraulic control air valve 8 communicate, and the gas of the first gas bag 9 enters block selecting change-over valve 16-1 and gearshift change-over valve 16-2, the block selecting of vehicle energy and gearshift by hydraulic control air valve 8.The gas of the first gas bag 9 enters the control mouth K mouth of Pneumatic valve 10 by hydraulic control air valve 8, Pneumatic valve 10 moves, P mouth and the A mouth of Pneumatic valve 10 are obstructed, the A mouth of Pneumatic valve 10 can not be exported gas and enter the control mouth K mouth of relay valve 11, P mouth and the A mouth of relay valve 11 are not communicated, the gas of the second gas bag 13 can not be by relay valve 11 to assistor 14, and trailer brake 15 are not braked.
When stopping brake, handle tractor truck stopping brake valve 5, making tractor truck stopping brake valve 5 is that P mouth and the A mouth of tractor truck stopping brake valve 5 do not communicate in the position shown in the figure 1, the oil that Hydraulic Pump 3 is exported can not enter tractor truck parking hydraulic actuating cylinder 6 by tractor truck stopping brake valve 5, be that tractor truck parking hydraulic actuating cylinder 6 does not have pressure oil, tractor truck parking hydraulic actuating cylinder 6 is under the effect of spring, drive tractor truck parking brake 7 to brake, now the K mouth of hydraulic control air valve 8 does not have pressure oil, making hydraulic control air valve 8 is that P mouth and A mouth do not communicate at state shown in Fig. 1, the gas of the first gas bag 9 can not enter by hydraulic control air valve 8 the control mouth K mouth of Pneumatic valve 10, it is that P mouth and A mouth communicate that Pneumatic valve 10 is in state shown in Fig. 1, gas in the second gas bag 13 enters the control mouth K mouth of relay valve 11 by Pneumatic valve 10, relay valve 11 is moved, the gas of the second gas bag 13 enters assistor 14 by relay valve 11, promote hydraulic oil and enter trailer brake 15, realize the braking of trailer.
When hydraulic control air valve 8 is during at state shown in Fig. 1, the gas of the first gas bag 9 can not enter block selecting change-over valve 16-1 and gearshift change-over valve 16-2.Now, even if operation block selecting change-over valve 16-1 and gearshift change-over valve 16-2 can not make gear-selecting cylinder 17-1 and shifting cylinder 17-2 action, vehicle just can not block selecting and gearshift, cannot walk.
Claims (2)
1. a underground mine use cage car, comprise tractor truck and trailer, it is characterized in that: there is parking Associated brake and stopping brake and gear Combined Control Unit, this device comprises fuel tank (1), filter (2), Hydraulic Pump (3), tractor truck stopping brake valve (5), tractor truck parking hydraulic actuating cylinder (6), tractor truck parking brake (7), hydraulic control air valve (8), the first gas bag (9), Pneumatic valve (10), relay valve (11), check valve (12), the second gas bag (13), assistor (14), trailer brake (15), block selecting change-over valve (16-1), gearshift change-over valve (16-2), gear-selecting cylinder (17-1), shifting cylinder (17-2), the oil inlet of Hydraulic Pump (3) is connected with fuel tank (1) by filter (2), the oil outlet of Hydraulic Pump (3) is connected with the oil inlet P mouth of tractor truck stopping brake valve (5), the oil outlet A mouth of tractor truck stopping brake valve (5) is connected with the control mouth K mouth of tractor truck parking hydraulic actuating cylinder (6) and hydraulic control air valve (8) respectively by two oily passages, tractor truck parking hydraulic actuating cylinder (6) is controlled tractor truck parking brake (7) action, the admission port P mouth of the first gas bag (9) and hydraulic control air valve (8) is connected, the air extractor duct A mouth of hydraulic control air valve (8) is connected with first, the second gas passage, the first gas passage (18) connects the admission port of check valve (12) and the K mouth of Pneumatic valve (10), the second gas bag (13) is connected with the air extractor duct of check valve (12), the admission port P mouth of Pneumatic valve (10) is connected with admission port P mouth all with the second gas bag (13) of relay valve (11), the air extractor duct A mouth of Pneumatic valve (10) is connected with the control mouth K mouth of relay valve (11), the air extractor duct A mouth of relay valve (11) is connected with assistor (14), assistor (14) is connected with trailer brake (15), the second gas passage (19) is divided into two-way again, respectively with the admission port P mouth of block selecting change-over valve (16-1), the admission port P mouth of gearshift change-over valve (16-2) connects, block selecting change-over valve (16-1) and gearshift change-over valve (16-2) are controlled respectively gear-selecting cylinder (17-1) and shifting cylinder (17-2) action.
2. underground mine use cage car according to claim 1, is characterized in that: between the oil outlet of Hydraulic Pump (3) and fuel tank (1), be provided with oily passage, be provided with safety valve (4) in oily passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148186.0U CN203819219U (en) | 2014-03-28 | 2014-03-28 | Cage car for underground coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420148186.0U CN203819219U (en) | 2014-03-28 | 2014-03-28 | Cage car for underground coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203819219U true CN203819219U (en) | 2014-09-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420148186.0U Withdrawn - After Issue CN203819219U (en) | 2014-03-28 | 2014-03-28 | Cage car for underground coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203819219U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895630A (en) * | 2014-03-28 | 2014-07-02 | 常州科研试制中心有限公司 | Cage truck for underground coal mine |
| US20150344011A1 (en) * | 2012-12-21 | 2015-12-03 | Cnh America Llc | A control apparatus for controlling a brake of a unit hauled by a vehicle |
| CN105501200A (en) * | 2015-12-30 | 2016-04-20 | 朱明德 | A combined control system for vehicle gear selection and parking brake |
| CN106194442A (en) * | 2016-08-02 | 2016-12-07 | 朱明德 | The throttle of a kind of vehicle, gear, exhaust brake combination control method |
| CN107867270A (en) * | 2017-11-07 | 2018-04-03 | 刘剑 | trailer overspeed brake |
| CN109109842A (en) * | 2016-07-29 | 2019-01-01 | 吴彬 | It reduces vehicle and is parked in the stopping brake control system that accident occurs on ramp |
-
2014
- 2014-03-28 CN CN201420148186.0U patent/CN203819219U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150344011A1 (en) * | 2012-12-21 | 2015-12-03 | Cnh America Llc | A control apparatus for controlling a brake of a unit hauled by a vehicle |
| US9561784B2 (en) * | 2012-12-21 | 2017-02-07 | Cnh Industrial America Llc | Control apparatus for controlling a brake of a unit hauled by a vehicle |
| CN103895630A (en) * | 2014-03-28 | 2014-07-02 | 常州科研试制中心有限公司 | Cage truck for underground coal mine |
| CN105501200A (en) * | 2015-12-30 | 2016-04-20 | 朱明德 | A combined control system for vehicle gear selection and parking brake |
| CN105501200B (en) * | 2015-12-30 | 2018-06-26 | 青岛齐力铸钢有限公司 | A combined control system for vehicle gear selection and parking brake |
| CN109109842A (en) * | 2016-07-29 | 2019-01-01 | 吴彬 | It reduces vehicle and is parked in the stopping brake control system that accident occurs on ramp |
| CN109109842B (en) * | 2016-07-29 | 2020-10-30 | 南京朗禾智能控制研究院有限公司 | Parking brake control system for reducing accidents caused by vehicle parking on slope |
| CN106194442A (en) * | 2016-08-02 | 2016-12-07 | 朱明德 | The throttle of a kind of vehicle, gear, exhaust brake combination control method |
| CN107867270A (en) * | 2017-11-07 | 2018-04-03 | 刘剑 | trailer overspeed brake |
| CN107867270B (en) * | 2017-11-07 | 2019-11-19 | 马鞍山楚锐科技信息咨询有限公司 | trailer overspeed brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140910 Effective date of abandoning: 20160113 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |