CN202557520U - Two-way brake control system of beam transportation vehicle - Google Patents
Two-way brake control system of beam transportation vehicle Download PDFInfo
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- CN202557520U CN202557520U CN2012201363352U CN201220136335U CN202557520U CN 202557520 U CN202557520 U CN 202557520U CN 2012201363352 U CN2012201363352 U CN 2012201363352U CN 201220136335 U CN201220136335 U CN 201220136335U CN 202557520 U CN202557520 U CN 202557520U
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Abstract
Disclosed is a two-way brake control system of a beam transportation vehicle, belonging to brake control systems of engineering machinery. The system is composed of two air compressors, two air dryers, two hand-controlled brake valves, two double-circuit pneumatic brake valves, three shuttle valves, four three-bridge relay valves and the like. The four three-bridge relay valves are divided into two groups to respectively and independently control service brake and parking brake. Similarly, the two hand-controlled brake valves and the two double-circuit pneumatic brake valves are divided into two groups to realize two-way brake control; service brake control and parking brake control are independent of each other and do not affect each other; when in service brake, the hand-controlled brake valves need to be switched to a driving position, and three-bridge relay valve ports are opened by operating and controlling the pneumatic brake valves so as to realize the control of a diaphragm brake chamber on a drum brake; and when in parking brake, only the hand-controlled brake valves need to be controlled, and the three-bridge relay valves are controlled to exhaust by operating and controlling the pneumatic brake valves so as to release the control of the brake chamber. With the two-way brake control system adopted, two sets of controls are achieved, and the two sets of controls are interlocked with each other.
Description
Technical field
The utility model relates to the two-way control system of braking of a kind of braking control system of construction machinery and equipment, particularly a kind of beam transportation vehicle.
Background technology
900 tons of rubber-tyred beam transportation vehicles are the modern special vehicle equipment of mechanical-electrical-hydraulic integration; Mainly be used for transporting the concrete prefabricated case beam of large-tonnage; Can be with 20; 24,32m two-wire whole opening box girder is transported to the station of setting a roof beam in place from prefabricated place through sidewalk, roadbed, bridge, cooperates with the bridge formation machine to accomplish the operation of setting a roof beam in place accordingly.This beam transportation vehicle scheme adopts 17 axis, 68 23.5R25 tires, and wherein 6 axis are the braking bridge.Under the walking operating mode, utilize air braking system to realize the sudden stop braking, braking during standstill is realized through the braking of HM Hydraulic Motor self.This cover system must satisfy the 900T beam transportation vehicle fully loaded (0～2km/h), unloaded (go under 0～13km/h) operating mode and 5% slope condition under the Parking auxiliary braking.The bridge air chamber form that is adopted: service brake discharges for the compressed air brake spring, and braking during standstill discharges for brake application by spring air pressure.
At present, some beam transportation vehicle does not use air braking system in the like product on the market, has not only increased the complexity to hydraulic efficiency pressure system, has increased the cost of product simultaneously yet.If rely on hydraulic braking fully, the inevitable requirement HM Hydraulic Motor has stopping brake, emergency braking and parking braking function simultaneously, but causes the HM Hydraulic Motor radiating effect relatively poor like this, the service life of reducing friction lining greatly.
The utility model content
The purpose of the utility model is the two-way control system of braking that a kind of beam transportation vehicle will be provided, and solves and relies on hydraulic braking fully, and the HM Hydraulic Motor radiating effect that causes is relatively poor, reduces the friction lining problem in service life greatly.
The purpose of the utility model is achieved in that this brake system comprises preceding operator's compartment subsystem, piggyback pod subsystem, girder subsystem and back operator's compartment subsystem; Wherein preceding operator's compartment subsystem is identical with back operator's compartment subsystem structure, and the piggyback pod subsystem is connected with the girder subsystem, and preceding operator's compartment subsystem is connected to piggyback pod subsystem and girder subsystem two ends with back operator's compartment subsystem.
Described piggyback pod subsystem comprises: first air dryer, second air dryer, the first manual change-over valve, the second manual change-over valve, first air receiver and second auxiliary air reservoir; Native system has braking during standstill source of the gas and service brake source of the gas, and dual gas supply gets into; The braking during standstill source of the gas is exported through the port one of first air dryer, the port one of port 21 to preceding hand braking valve through Air compressor; The service brake source of the gas is exported through the port one of second air dryer and the port one of port 21 to preceding hand braking valve through Air compressor; The port one of preceding hand braking valve is connected with the port one of the first manual change-over valve and the port one of the second manual change-over valve simultaneously; The port 2 of the first manual change-over valve is connected with check valve with port one 1, the port one 2 of the first back air brake valve with the port of the second manual change-over valve 2 simultaneously, and the port 21 of first air dryer is connected with second auxiliary air reservoir is corresponding with first auxiliary air reservoir respectively with the port 21 of second air dryer.
The girder subsystem comprises: first air receiver, second air receiver, first shuttle valve, second shuttle valve, the first double-diaphragm spring energy storage brake repair room, the second double-diaphragm spring energy storage brake repair room, first three-axle relay valve, second three-axle relay valve and check valve; One end of first air receiver is connected with 12 ports of the port one of preceding hand braking valve with the back air brake valve, and the other end is connected with the port one of first three-axle relay valve; One end of second air receiver is connected with check valve, and the other end is connected with the port one of second three-axle relay valve; Two ends of first shuttle valve, an end is connected with the port 2 of preceding hand braking valve, and the other end is connected with the port 2 of back hand braking valve, and the port 2 of first shuttle valve is connected with the port 4 of first three-axle relay valve; Two ends of second shuttle valve, an end is connected with 22 ports of preceding air brake valve, and the other end is connected with 22 ports of back air brake valve, and the port 2 of second shuttle valve is connected with the port 4 of second three-axle relay valve; The port one 2 of the first double-diaphragm spring energy storage brake repair room and the second double-diaphragm spring energy storage brake repair room all is connected with the port 2 of first three-axle relay valve, and the port one 1 of the first double-diaphragm spring energy storage brake repair room and the second double-diaphragm spring energy storage brake repair room all is connected with the port 2 of second three-axle relay valve.
Operator's compartment subsystem and back operator's compartment subsystem structure identical comprising before described: preceding hand braking valve, back hand braking valve, preceding air brake valve and back air brake valve; The port 21 of preceding air brake valve is connected with the port 21 of back air brake valve, and the port one 1 of back air brake valve is connected with the port one of back hand braking valve.
Beneficial effect: owing to adopted such scheme, adopt two Air compressors that source of the gas is provided, two sources of the gas insert major loop through parallel connection, realize the break-make of source of the gas is selected through ball valve.When a certain Air compressor et out of order wherein, ball valve can cut off its work gas circuit, does not influence the normal operation of total system.This system has the vehicle of satisfying and when two-way controlling, realizes the bi-directional braking function, satisfies synchronous service brake, braking during standstill and the emergency brake of multiaxis line simultaneously; Utilize shuttle valve that two handcontrolled manipulation valves are carried out logic determines, realize Parking control interlocking, satisfy two-way control requirement; Utilize two shuttle valves that two air brake valves are carried out logic determines, realize driving control interlocking, satisfy two-way control requirement; Through handcontrolled manipulation valve or air brake valve control three-axle relay valve, realize multiaxis line vehicle braked; Drum brake mechanism is realized service brake, braking during standstill and the emergency brake function of car load through the diaphragm brake chamber actuating unit.Solved and relied on hydraulic braking fully, the HM Hydraulic Motor radiating effect that causes is relatively poor, reduces the friction lining problem in service life greatly, has reached the purpose of the utility model.
Advantage: car load is braked the application of two-way control system; Improved effectively with lifting beam machine and bridge formation machine cooperate accuracy and safety; Strengthen beam transportation vehicle and carried the stability that beam goes on the back, ensured the alerting ability of beam transportation vehicle operation, thereby guaranteed the work efficiency of beam transportation vehicle system.
Description of drawings
Fig. 1 is the constructional drawing of the utility model.
Among the figure, 1, preceding hand braking valve; 1-1, back hand braking valve; 2, first air dryer; 2-1, second air dryer; 3, the first manual change-over valve; 3-1, the second manual change-over valve; 4, first main air reservoir; 4-1, second main air reservoir; 5, first shuttle valve; 5-1, second shuttle valve; 6, double-diaphragm spring energy storage brake repair room; 7, first three-axle relay valve; 7-1, second three-axle relay valve; 8-1, first auxiliary air reservoir; 8-2, second auxiliary air reservoir; 9, check valve; 10, preceding air brake valve; 10-1, back air brake valve; I, preceding operator's compartment subsystem; II, piggyback pod subsystem; III, girder subsystem; IV, back operator's compartment subsystem.
The specific embodiment
Embodiment 1: this brake system comprises preceding operator's compartment subsystem I, piggyback pod subsystem II, girder subsystem III and back operator's compartment subsystem IV; Wherein preceding operator's compartment subsystem I is identical with back operator's compartment subsystem IV structure, and piggyback pod subsystem II is connected with girder subsystem III, and preceding operator's compartment subsystem is connected to piggyback pod subsystem II and girder subsystem III two ends with back operator's compartment subsystem.
Described piggyback pod subsystem II comprises: first air dryer 2, the second air dryer 2-1, first manual change-over valve 3, the second manual change-over valve 3-1, the first air receiver 8-1 and the second auxiliary air reservoir 8-2.Native system has braking during standstill source of the gas and service brake source of the gas, and dual gas supply gets into; The braking during standstill source of the gas is exported through the port one of first air dryer 2, the port one of port 21 to preceding hand braking valve 1 through Air compressor; The service brake source of the gas is exported through the port one of the second air dryer 2-1 and the port one of port 21 to preceding hand braking valve 1 through Air compressor; The port one of preceding hand braking valve 1 is connected with the port one of the first manual change-over valve 3 and the port one of the second manual change-over valve 3-1 simultaneously; The port 2 of the first manual change-over valve 3 and the port of the second manual change-over valve 3-1 2 simultaneously and port one 1, port one 2 and the check valve 9 of the first back air brake valve 10 be connected, the port 21 of first air dryer 2 and the port 21 of the second air dryer 2-1 respectively with the first auxiliary air reservoir 8-1 with second auxiliary air reservoir 8-2 is corresponding is connected.
Girder subsystem III comprises: first air receiver 4, the second air receiver 4-1, first shuttle valve 5, the second shuttle valve 5-1, the first double-diaphragm spring energy storage brake repair room 6, the second double-diaphragm spring energy storage brake repair room 6-1, first three-axle relay valve 7, the second three-axle relay valve 7-1 and check valve 9; One end of first air receiver 4 is connected with 12 ports of the port one of preceding hand braking valve 1 with back air brake valve 10-1, and the other end is connected with the port one of first three-axle relay valve 7; The end of the second air receiver 4-1 is connected with check valve 9, and the other end is connected with the port one of the second three-axle relay valve 7-1; Two ends of first shuttle valve 5, an end is connected with the port 2 of preceding hand braking valve 1, and the other end is connected with the port 2 of back hand braking valve 1-1, and the port 2 of first shuttle valve 5 is connected with the port 4 of first three-axle relay valve 7; Two ends of the second shuttle valve 5-1, an end is connected with 22 ports of preceding air brake valve 10, and the other end is connected with 22 ports of back air brake valve 10-1, and the port 2 of the second shuttle valve 5-1 is connected with the port 4 of the second three-axle relay valve 7-1; The port one 2 of the first double-diaphragm spring energy storage brake repair room 6 and the second double-diaphragm spring energy storage brake repair room 6-1 all is connected with the port 2 of first three-axle relay valve 7, and the port one 1 of the first double-diaphragm spring energy storage brake repair room 6 and the second double-diaphragm spring energy storage brake repair room 6-1 all is connected with the port 2 of the second three-axle relay valve 7-1.
Operator's compartment subsystem and back operator's compartment subsystem structure identical comprising before described: preceding hand braking valve 1, back hand braking valve 1-1, preceding air brake valve 10 and back air brake valve 10-1; The port 21 of preceding air brake valve 10 is connected with the port 21 of back air brake valve 10-1, and the port one 1 of back air brake valve 10-1 is connected with the port one of back hand braking valve 1-1.
The braking during standstill pilot piping comprises: the port 2 of preceding hand braking valve 1 is connected the port 2 of shuttle valve 5 and control port 4, the port 2 of preceding air brake valve 10 and the port one 2 of respectively braking double-diaphragm spring energy storage brake repair room 6 on the bridge of three-axle relay valve 7 with the port one of shuttle valve 5, the port 2 of back hand braking valve 1-1, the port one of back hand braking valve 1-1, the port one 1 of back air brake valve 10-1 with port one 2 and through flexible pipe and joint through flexible pipe with joint successively successively.Driving double loop control of braking pipeline comprises: the port 21 of preceding air brake valve 10 is connected to form the first via in the double loop with the port 21 of back air brake valve 10-1; The port 22 of preceding air brake valve 10 is connected to form the second tunnel in the double loop with the port 22 of back air brake valve 10-1.
Flexible pipe and joint are connected port 2 and control port 4, the port 2 of the second three-axle relay valve 7-1 and port one 2 parts of respectively braking double-diaphragm spring energy storage brake repair room 6 on the bridge of shuttle valve 5-1 successively; The gas of the port one through check valve 9, the second air receiver 4-1 and the second three-axle relay valve 7-1 is that the second three-axle relay valve 7-1 provides source of the gas.
This braking control system comprise preceding hand braking valve 1, back hand braking valve 1-1, first air dryer 2, the second air dryer 2-1, first manual change-over valve 3, the second manual change-over valve 3-1, first main air reservoir 4, the second main air reservoir 4-1, first shuttle valve 5, the second shuttle valve 5-1, double-diaphragm spring energy storage brake repair room 6, first three-axle relay valve 7, the second three-axle relay valve 7-1, second auxiliary air reservoir 8, the second auxiliary air reservoir 8-1,
Check valve 9, preceding air brake valve 10, back air brake valve 10-1.
The pressurized air that Air compressor produces through first air dryer 2 and the second air dryer 2-1 after arrival first main air reservoir 4 and the second main air reservoir 4-1; When the needs service brake; Handle air brake valve 10; Three-axle relay valve 7 valves are opened under the effect of air compressor pressure gas, and pressure gas promotes double-diaphragm spring energy storage brake repair room 6 propelling rods then, and then act on drum brake mechanism brake shoe brake cheek realization service brake.When not needing service brake, can handle air brake valve pressurized air is discharged rapidly from three-axle relay valve 7 exhausr ports, double-diaphragm spring energy storage brake repair room 6 under the effect of pull back spring, Small diaphragm-piece and propelling rod return, thus remove service brake.When the needs braking during standstill, can handle hand braking valve 1 and control three-axle relay valve 7, let double-diaphragm spring energy storage brake repair room 6 interior pressure gass discharge, realize the Parking requirement through the pull back spring of himself.Make pull back spring work when not needing braking during standstill, pressure gas to act on big diaphragm, remove braking during standstill.
Native system combines service brake and two kinds of standalone features of braking during standstill through three-axle relay valve 7; Utilize 5 pairs of two hand braking valves 1 of shuttle valve to carry out logic determines, realize Parking control interlocking; Utilize two shuttle valve 5-1 that two air brake valves 10 are carried out logic determines, realize driving control interlocking; Through front and back hand braking valve or first and second three-axle relay valve of front and back air brake valve control, realize multiaxis line vehicle braked; Air brake valve is realized the double loop of service braking system before and after utilizing; Drum brake mechanism is realized service brake, braking during standstill merit and the emergency brake function of car load through double-diaphragm spring energy storage brake repair room 6 actuating units.
Claims (4)
1. the two-way control system of the braking of a beam transportation vehicle is characterized in that: this brake system comprises preceding operator's compartment subsystem, piggyback pod subsystem, girder subsystem and back operator's compartment subsystem; Wherein preceding operator's compartment subsystem is identical with back operator's compartment subsystem structure, and the piggyback pod subsystem is connected with the girder subsystem, and preceding operator's compartment subsystem is connected to piggyback pod subsystem and girder subsystem two ends with back operator's compartment subsystem.
2. the two-way control system of the braking of a kind of beam transportation vehicle according to claim 1; It is characterized in that: described piggyback pod subsystem comprises: first air dryer, second air dryer, the first manual change-over valve, the second manual change-over valve, first air receiver and second auxiliary air reservoir; Native system has braking during standstill source of the gas and service brake source of the gas, and dual gas supply gets into; The braking during standstill source of the gas is exported through the port one of first air dryer, the port one of port 21 to preceding hand braking valve through Air compressor; The service brake source of the gas is exported through the port one of second air dryer and the port one of port 21 to preceding hand braking valve through Air compressor; The port one of preceding hand braking valve is connected with the port one of the first manual change-over valve and the port one of the second manual change-over valve simultaneously; The port 2 of the first manual change-over valve is connected with check valve with port one 1, the port one 2 of the first back air brake valve with the port of the second manual change-over valve 2 simultaneously, and the port 21 of first air dryer is connected with second auxiliary air reservoir is corresponding with first auxiliary air reservoir respectively with the port 21 of second air dryer.
3. the two-way control system of the braking of a kind of beam transportation vehicle according to claim 1, it is characterized in that: described girder subsystem comprises: first air receiver, second air receiver, first shuttle valve, second shuttle valve, the first double-diaphragm spring energy storage brake repair room, the second double-diaphragm spring energy storage brake repair room, first three-axle relay valve, second three-axle relay valve and check valve; One end of first air receiver is connected with 12 ports of the port one of preceding hand braking valve with the back air brake valve, and the other end is connected with the port one of first three-axle relay valve; One end of second air receiver is connected with check valve, and the other end is connected with the port one of second three-axle relay valve; Two ends of first shuttle valve, an end is connected with the port 2 of preceding hand braking valve, and the other end is connected with the port 2 of back hand braking valve, and the port 2 of first shuttle valve is connected with the port 4 of first three-axle relay valve; Two ends of second shuttle valve, an end is connected with 22 ports of preceding air brake valve, and the other end is connected with 22 ports of back air brake valve, and the port 2 of second shuttle valve is connected with the port 4 of second three-axle relay valve; The port one 2 of the first double-diaphragm spring energy storage brake repair room and the second double-diaphragm spring energy storage brake repair room all is connected with the port 2 of first three-axle relay valve, and the port one 1 of the first double-diaphragm spring energy storage brake repair room and the second double-diaphragm spring energy storage brake repair room all is connected with the port 2 of second three-axle relay valve.
4. the two-way control system of the braking of a kind of beam transportation vehicle according to claim 1 is characterized in that: operator's compartment subsystem and back operator's compartment subsystem structure identical comprising before described: preceding hand braking valve, back hand braking valve, preceding air brake valve and back air brake valve; The port 21 of preceding air brake valve is connected with the port 21 of back air brake valve, and the port one 1 of back air brake valve is connected with the port one of back hand braking valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201363352U CN202557520U (en) | 2012-04-01 | 2012-04-01 | Two-way brake control system of beam transportation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201363352U CN202557520U (en) | 2012-04-01 | 2012-04-01 | Two-way brake control system of beam transportation vehicle |
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| CN202557520U true CN202557520U (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012201363352U Expired - Fee Related CN202557520U (en) | 2012-04-01 | 2012-04-01 | Two-way brake control system of beam transportation vehicle |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061193A (en) * | 2013-06-27 | 2014-09-24 | 湖北三江航天万山特种车辆有限公司 | Drum brake hydraulic system for multi-shaft heavy engineering machinery |
| CN107685725A (en) * | 2017-07-25 | 2018-02-13 | 湖北航天技术研究院特种车辆技术中心 | A kind of air supply system on hybrid power chassis |
| CN111252054A (en) * | 2020-01-20 | 2020-06-09 | 中车株洲电力机车有限公司 | Braking system |
| CN111267817A (en) * | 2020-02-22 | 2020-06-12 | 吉林大学 | Air pressure braking system for service braking failure protection |
| CN111267816A (en) * | 2020-02-22 | 2020-06-12 | 吉林大学 | Double-loop air pressure braking system for preventing braking failure |
| CN112572516A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572515A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572514A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN114802145A (en) * | 2022-05-16 | 2022-07-29 | 郑州宇通重工有限公司 | All-wheel parking braking system and vehicle |
-
2012
- 2012-04-01 CN CN2012201363352U patent/CN202557520U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061193A (en) * | 2013-06-27 | 2014-09-24 | 湖北三江航天万山特种车辆有限公司 | Drum brake hydraulic system for multi-shaft heavy engineering machinery |
| CN107685725A (en) * | 2017-07-25 | 2018-02-13 | 湖北航天技术研究院特种车辆技术中心 | A kind of air supply system on hybrid power chassis |
| CN107685725B (en) * | 2017-07-25 | 2019-12-03 | 湖北航天技术研究院特种车辆技术中心 | A kind of air supply system on hybrid power chassis |
| CN112572516A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572515A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN112572514A (en) * | 2019-09-30 | 2021-03-30 | 比亚迪股份有限公司 | Air brake system and rail vehicle with same |
| CN111252054A (en) * | 2020-01-20 | 2020-06-09 | 中车株洲电力机车有限公司 | Braking system |
| CN111252054B (en) * | 2020-01-20 | 2021-09-17 | 中车株洲电力机车有限公司 | Braking system |
| CN111267817A (en) * | 2020-02-22 | 2020-06-12 | 吉林大学 | Air pressure braking system for service braking failure protection |
| CN111267816A (en) * | 2020-02-22 | 2020-06-12 | 吉林大学 | Double-loop air pressure braking system for preventing braking failure |
| CN111267817B (en) * | 2020-02-22 | 2024-05-10 | 吉林大学 | Air pressure braking system for service braking failure protection |
| CN114802145A (en) * | 2022-05-16 | 2022-07-29 | 郑州宇通重工有限公司 | All-wheel parking braking system and vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20190401 |