CN202124034U - Parallel double-gas circuit controlled manual parking brake device of rubber-tyred roller - Google Patents
Parallel double-gas circuit controlled manual parking brake device of rubber-tyred roller Download PDFInfo
- Publication number
- CN202124034U CN202124034U CN 201120215394 CN201120215394U CN202124034U CN 202124034 U CN202124034 U CN 202124034U CN 201120215394 CN201120215394 CN 201120215394 CN 201120215394 U CN201120215394 U CN 201120215394U CN 202124034 U CN202124034 U CN 202124034U
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- CN
- China
- Prior art keywords
- tracheae
- hand brake
- connects
- gas pipe
- control valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Arrangements (AREA)
Abstract
The utility model provides a parallel double-gas circuit controlled manual parking brake device of a rubber-tyred roller, which is characterized in that a gas holder is connected with a three-way joint through a third gas pipe; a right end outlet of the three-way joint is connected with a right manual control valve through a fourth gas pipe; the right manual control valve connects or disconnects the fourth gas pipe and a fifth gas pipe; a left end outlet of the three-way joint is connected with a left manual control valve through a sixth gas pipe; the left manual control valve connects or disconnects the sixth gas pipe and a seventh gas pipe; the seventh gas pipe and the fifth gas pipe are respectively connected with a three-way shuttle valve; the three-way shuttle valve is connected with a parking brake gas chamber through an eighth gas pipe; a pull rod of the parking brake gas chamber is connected with a shoe manual brake; and the shoe manual brake is arranged on a drive bridge. The parallel double-gas circuit controlled manual parking brake device of the rubber-tyred roller has the advantages of high safety and reliability as well as convenient operation, simplifying the installation structure and the assembling process, reducing the working intensity, and improving the working efficiency.
Description
Technical field
The utility model relates to the Parking hand brake device of the two gas circuit controls of a kind of pneumatic tyred roller parallel connection, can guarantee that pneumatic tyred roller is convenient, failure-free is realized braking during standstill, belongs to the roller technical field.
Background technology
Pneumatic tyred roller is because its working particularity requires two cover maneuvering systems, particularly braking during standstill such as double steering wheel, love seat, two throttle, two brakings, and the reliability of requirement is higher, operates more science, more convenient.
At present, the Parking hand brake device of general-duty pneumatic tyred roller on the market has gas circuit control strap braking device, and the strap braking device of flexible axle control is arranged, and the shoe type brake equipment of flexible axle control etc. is arranged.The external contracting drum brake complex structure, reliability is low, and brake band is easy to wear, and not environmental protection needs periodic replacement.Simultaneously, the flexible axle control structure falls behind, and actuating force and operational space are bigger, and adjustment is inconvenient.
Summary of the invention
It is simple that the purpose of the utility model provides a kind of novel structure, safe reliability height, simple operation, mounting structure, simplifies the Parking hand brake device of the two gas circuits controls of pneumatic tyred roller parallel connection of assembling technology procedure.
In order to achieve the above object, the technical scheme of the utility model has provided the Parking hand brake device of the two gas circuit controls of a kind of pneumatic tyred roller parallel connection, comprises first tracheae; One end of first tracheae connects air compressor; The other end connects unloader valve, and unloader valve connects air receiver through second tracheae, it is characterized in that: air receiver connects T-pipe joint through the 3rd tracheae; The right-hand member outlet of T-pipe joint connects right hand brake control valve through the 4th tracheae; Right hand brake control valve is with conducting between the 4th tracheae and the 5th tracheae or close, and the left end outlet of T-pipe joint connects the left hand brake control valve through the 6th tracheae, and the left hand brake control valve is with conducting between the 6th tracheae and the 7th tracheae or close; The 7th tracheae and the 5th tracheae are connected to three-way shuttle valve respectively; Three-way shuttle valve is connected to the braking during standstill air chamber through the 8th tracheae, and the pull bar of braking during standstill air chamber connects with the shoe type hand brake mutually, and the shoe type hand brake is located on the drive axle.
Further, said T-pipe joint and said three-way shuttle valve are fixed on the valve piece support.
Said pull bar connects with the handle of said shoe type hand brake through fork-join head and bearing pin mutually.
The utility model has the advantages that: solved in the past that brake equipment exists lock torque little, reliability is low, or has problems such as complex structure, fitting operation inconvenience; It is big to have made full use of braking during standstill air chamber working thrust, and the shoe brake brake torque is big, advantages such as manually actuated control valve simple operation; Operating habit according to chaufeur has designed parallelly connected pair of air-path control system; Guaranteed that pneumatic tyred roller brake safe reliability is high, simple operation, simplified mounting structure, simplified assembling technology procedure; Reduce working strength, improved work efficiency.
Description of drawings
Fig. 1 looks scheme drawing for the Parking hand brake device master of the two gas circuit controls of pneumatic tyred roller parallel connection;
Fig. 2 is the Parking hand brake device schematic top plan view of the two gas circuit controls of pneumatic tyred roller parallel connection.
The specific embodiment
For making the utility model more obviously understandable, now with a preferred embodiment, and conjunction with figs. elaborates as follows.
Like Fig. 1 and shown in Figure 2; The Parking hand brake device of the two gas circuits controls of a kind of pneumatic tyred roller parallel connection that provide for the utility model comprises that an end of first tracheae, 3, the first tracheaes 3 connects air compressor; The other end connects unloader valve 4; Unloader valve 4 connects air receiver 1 through second tracheae 2, and air receiver 1 connects T-pipe joint 21 through the 3rd tracheae 5, and the right-hand member outlet of T-pipe joint 21 connects right hand brake control valve 6 through the 4th tracheae 25; Right hand brake control valve 6 is with conducting between the 4th tracheae 25 and the 5th tracheae 26 or close; The outlet of the left end of T-pipe joint 21 connects left hand brake control valves 18 through the 6th tracheae 20, and left hand brake control valve 18 is with conducting between the 6th tracheae 20 and the 7th tracheae 19 or close, and the 7th tracheae 19 and the 5th tracheae 26 are connected to three-way shuttle valve 23 respectively; Three-way shuttle valve 23 is connected to braking during standstill air chamber 9 through the 8th tracheae 16; T-pipe joint 21 and three-way shuttle valve 23 are fixed on the valve piece support 22, and the pull bar 13 of braking during standstill air chamber 9 connects with the handle of said shoe type hand brake 8 through fork-join head 11 and bearing pin 12 mutually, and shoe type hand brake 8 is located on the drive axle 10.
Wherein, air receiver 1, drive axle 10, support 14 are installed on the vehicle frame, and the manually actuated control valve of the right and left is installed on the seat support 7 of the right and left.
The working process of the utility model is: Air compressor on driving engine output high pressure gas through first tracheae 3, unloader valve 4, second tracheae 2, get in the air receiver 1; High pressure gas arrive T-pipe joint 21 through the 3rd tracheae 5 again; Begin to be divided into left and right sides two-way from T-pipe joint 21; Right wing by T-pipe joint 21, the 4th tracheae 25 to right hand brake control valve 6; After right hand brake control valve 6 was connected, high pressure gas just got into three-way shuttle valve 23 through the 5th tracheae 26, shuttle valve joint 24, and same left road high pressure gas get into three-way shuttle valve 23 by T-pipe joint to the six tracheaes 20, left hand brake control valve 18 to the 7th tracheaes 19; Last high pressure gas are through three-way shuttle valve 23 to the 8th tracheaes 16; Enter into braking during standstill air chamber 9, promote the motion of braking during standstill air chamber 9 inner carriers, thereby drive pull bar 13 motions; Pull bar 13 is pulled the handle of shoe type hand brake 8 through fork-join head 11, bearing pin 12; Make drg work, make drive axle 10 receive the brake torque effect, realize braking during standstill.
When work, put down the manually actuated control valve handle on this limit; Connect high pressure gas; High pressure gas get into braking during standstill air chamber 9 by the road, promote the effect that its internal piston overcomes spring force, drive the handle of pull bar 13, shoe brake 8; Make drg be in release position, roller can carry out normal operation.
Claims (3)
1. the Parking hand brake device of the two gas circuits controls of pneumatic tyred roller parallel connection; Comprise first tracheae (3); One end of first tracheae (3) connects air compressor; The other end connects unloader valve (4), and unloader valve (4) connects air receiver (1) through second tracheae (2), it is characterized in that: air receiver (1) connects T-pipe joint (21) through the 3rd tracheae (5); The right-hand member outlet of T-pipe joint (21) connects right hand brake control valve (6) through the 4th tracheae (25); Right hand brake control valve (6) is with conducting between the 4th tracheae (25) and the 5th tracheae (26) or close, and the left end outlet of T-pipe joint (21) connects left hand brake control valve (18) through the 6th tracheae (20), and left hand brake control valve (18) is with conducting between the 6th tracheae (20) and the 7th tracheae (19) or close; The 7th tracheae (19) and the 5th tracheae (26) are connected to three-way shuttle valve (23) respectively; Three-way shuttle valve (23) is connected to braking during standstill air chamber (9) through the 8th tracheae (16), and the pull bar (13) of braking during standstill air chamber (9) connects with shoe type hand brake (8) mutually, and shoe type hand brake (8) is located on the drive axle (10).
2. the Parking hand brake device of the two gas circuit controls of a kind of pneumatic tyred roller parallel connection as claimed in claim 1, it is characterized in that: said T-pipe joint (21) and said three-way shuttle valve (23) are fixed on the valve piece support (22).
3. the Parking hand brake device of the two gas circuit controls of a kind of pneumatic tyred roller parallel connection as claimed in claim 1, it is characterized in that: said pull bar (13) connects with the handle of said shoe type hand brake (8) through fork-join head (11) and bearing pin (12) mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120215394 CN202124034U (en) | 2011-06-23 | 2011-06-23 | Parallel double-gas circuit controlled manual parking brake device of rubber-tyred roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120215394 CN202124034U (en) | 2011-06-23 | 2011-06-23 | Parallel double-gas circuit controlled manual parking brake device of rubber-tyred roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202124034U true CN202124034U (en) | 2012-01-25 |
Family
ID=45487103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120215394 Expired - Fee Related CN202124034U (en) | 2011-06-23 | 2011-06-23 | Parallel double-gas circuit controlled manual parking brake device of rubber-tyred roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202124034U (en) |
-
2011
- 2011-06-23 CN CN 201120215394 patent/CN202124034U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180329 Address after: 201612 Shanghai City, Songjiang District new town 26 min Yick Road No. eighteenth Patentee after: LONKING (SHANGHAI) ROAD CONSTRUCTION MACHINERY CO., LTD. Address before: 201612 Shanghai City, Songjiang District new town Minyi Road No. 26 Co-patentee before: LONKING (SHANGHAI) ROAD CONSTRUCTION MACHINERY CO., LTD. Patentee before: Lonking (Shanghai) Machinary Manufacturing Co., Ltd. |
|
| 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: 20120125 Termination date: 20200623 |