CN2568459Y - Autornotive electrically controlled pneumatic gearshift - Google Patents
Autornotive electrically controlled pneumatic gearshift Download PDFInfo
- Publication number
- CN2568459Y CN2568459Y CN 02249238 CN02249238U CN2568459Y CN 2568459 Y CN2568459 Y CN 2568459Y CN 02249238 CN02249238 CN 02249238 CN 02249238 U CN02249238 U CN 02249238U CN 2568459 Y CN2568459 Y CN 2568459Y
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- valve
- air extractor
- pneumatic
- extractor duct
- shuttle
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- Expired - Fee Related
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- Control Of Transmission Device (AREA)
Abstract
The utility model relates to an automotive gearshift. The utility model is characterized in that a gear position control switch is used for selecting a desired gear position to switch on a corresponding electromagnetic valve; a shuttle valve which is communicated with the corresponding electromagnetic valve is selectively switched on and lets high-pressure gas pass; the high-pressure gas controls the direction in which compressed air in a main gas circuit of a pneumatic control valve enter or be expelled from a gas port of a cylinder, a cylinder piston is enabled to generate displacement and control a commutation valve core of a gearbox so as to realize the automotive gearshift. The utility model has the advantage of simple structure, reliable and convenient operation and low cost and is especially suitable for the automatic gearshift of automotive vehicles for engineering.
Description
Technical field
The utility model relates to a kind of gearshift of automobile-use, particularly a kind of gearshift of engineering automobile-use.
Background technology
The gear of self-propelled vehicle generally can be divided into automatic catch and manually keep off, and low-grade automobile generally all adopts manual gear, and for the self-propelled vehicle in the construction machinery and equipment, as forklift, Bulldozer etc., most of especially the application manually of gear controlled.Chaufeur is stirred the reversing valve core of change speed gear box by manual retaining joystick by mechanical drive, realizes the gearshift of vehicle, as the I retaining that advances, II retaining, neutral and retreat retaining.Because gearshift relies on M/C, acts frequently, labour intensity is big, and for driving engineering truck, chaufeur is more arduous, is unfavorable for traffic safety so especially.In super car, large-scale autotruck and the part special vehicle employing hydromechanical drive is arranged also, gearshift such as hydrostatic drive and electronic transmission, but these gearshifts complex structure often, the cost height, the use limitation is big, is difficult to use in the particularly low-grade automobile of general vehicle.
Summary of the invention
The purpose of this utility model provides a kind of Automobile air simple in structure, easy and simple to handle and moves blocking means.
Automobile electrically-controlled Pneumatic shift device, it is characterized in that, it is made up of gear master cock, electromagnetic valve, shuttle valve, Pneumatic valve and fixed cylinder and movable cylinder, said gear master cock connects the corresponding solenoid valve coil, electromagnetic valve gas circuit one end connects main gas circuit, the other end connects corresponding shuttle valve admission port, the air extractor duct of shuttle valve connects the control admission port of corresponding Pneumatic valve, the air extractor duct of Pneumatic valve is connected with the gas port of cylinder, Pneumatic valve also is connected with main gas circuit, the reversing valve core of movable cylinder one termination change speed gear box, the other end is connected and fixed cylinder by piston rod.
Said automobile electrically-controlled Pneumatic shift device is established R, N, I, the II gear, gear on-off connects electromagnetic valve 1 respectively, 2,3,4 coil, electromagnetic valve 1,2,3,4 admission port and Pneumatic valve 9,10 admission port is in parallel with automobile storage gas cylinder, the b end of electromagnetic valve 1 air extractor duct shuttle valve 5 in parallel and a end of shuttle valve 8, the a end of electromagnetic valve 2 air extractor ducts shuttle valve 5 in parallel and a end of shuttle valve 7, the b end of electromagnetic valve 3 air extractor ducts shuttle valve 6 in parallel and 8 b end, the a end of electromagnetic valve 4 air extractor ducts shuttle valve 6 in parallel and the b end of shuttle valve 7, shuttle valve 5,6 air extractor ducts connect two control admission ports of Pneumatic valve 10 respectively, shuttle valve 7,8 air extractor ducts connect two control admission ports of Pneumatic valve 9 respectively, the gas port C of the air extractor duct of Pneumatic valve 10 and movable cylinder 11, D links to each other, the gas port A of the air extractor duct of Pneumatic valve 9 and fixed cylinder 12, B links to each other, movable cylinder one end is connected with fixed cylinder by piston rod, and the other end connects the reversing valve core of change speed gear box.
Said Pneumatic valve is the two-position five-way Pneumatic valve.
The diameter of said fixed cylinder is bigger 1.25 times than the diameter of movable cylinder.
The utility model is owing to adopt the ecp structure, thereby realized the automobile gear shift automation of operation, alleviated the labour intensity of chaufeur greatly, and the utility model is simple in structure, easy for installation, with low cost simultaneously.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is the utility model ecp gear shift connection diagram in kind;
Fig. 3 is the utility model location cylinder assembly outside drawing;
Fig. 4 is the utility model location cylinder assembly structural representation.
Among the figure, 1,2,3,4 all is electromagnetic valve, and 5,6,7,8 is shuttle valve, and 9,10 is Pneumatic valve, and 11 is movable cylinder, and 12 is fixed cylinder, and A, B are movable cylinder port, and C, D are the fixed cylinder gas port.
The specific embodiment
With reference to Fig. 1, in the automobile electrically-controlled Pneumatic shift device of the utility model specific embodiment, automobile is provided with the retaining R that falls back, neutral N, the I that the advances retaining and the II retaining that advances, gear on-off R, N, I, II connects corresponding solenoid valve 1 respectively, 2,3,4 magnet coil, electromagnetic valve 1,2,3,4 admission ports and Pneumatic valve 9,10 admission port is in parallel with the automobile air storage vessel high pressure gas, electromagnetic valve 1 air extractor duct shuttle valve 6 in parallel, 8 a end, the a end of electromagnetic valve 2 air extractor ducts shuttle valve 5 in parallel and a end of shuttle valve 7, the b end of electromagnetic valve 3 air extractor ducts shuttle valve 6 in parallel and the b end of shuttle valve 8, the a end of electromagnetic valve 4 air extractor ducts shuttle valve 6 in parallel and the b end of shuttle valve 7, shuttle valve 5,6 air extractor ducts connect two control admission ports of Pneumatic valve 10 respectively, shuttle valve 7,8 air extractor ducts connect two control admission ports of Pneumatic valve 9 respectively, the gas port C of the air extractor duct of Pneumatic valve 10 and movable cylinder 11, D is connected, the gas port A of the air extractor duct of Pneumatic valve 9 and fixed cylinder 12, B is connected, fixed cylinder and movable cylinder connect and compose the location cylinder assembly by piston rod, and the movable cylinder other end connects the reversing valve core of change speed gear box.
All pneumatic connections adopt high-pressure air pipes to connect, and gear on-off can be soft key switch or rotor switch, and are installed on the instrument carrier panel or below the bearing circle.The product that electromagnetic valve, shuttle valve and Pneumatic valve adopt the market to sell, Pneumatic valve is the two-position five-way Pneumatic valve, movable steam cylinder piston diameter 20mm, fixed cylinder diameter of piston 25mm, fixed cylinder is fixed on the adaptation position of change speed gear box, link to each other with the change speed gear box reversing valve core by movable cylinder, the utility model is applicable to that change speed gear box gear valve is the vehicle of displacement-type.
Following casehistory working process of the present utility model, for example, when the gear master cock is connected the N position, electromagnetic valve 2 work, pressurized air is by electromagnetic valve 2, and the branch two-way enters a end of shuttle valve 5 and 7 a end respectively, by control loop control Pneumatic valve 10 and 9; Then the pressurized air of main gas circuit enters the D mouth of location cylinder 11 and the B mouth of location cylinder 12 through Pneumatic valve 10 and 9, and the pressurized air of A mouth of C mouth and location cylinder 12 is through Pneumatic valve 10 and 9 exhausts, thereby obtains position N, i.e. neutral gear position.In like manner, when electromagnetic valve 3,4 or 1 work, can obtain position I, II or R respectively.The I that promptly advances retaining, the II that advances retaining and the R that falls back.
The gas port work engagement process of location cylinder 11,12 is: when D mouth and the air inlet of B mouth, when C mouth and the exhaust of A mouth, piston rod is withdrawn into location right, and movable cylinder reaches left position, i.e. neutral N; When D mouth and A air inlet, when C mouth and the exhaust of B mouth, because the more movable cylinder piston area of stationary cylinder piston area is big, so piston rod moves left to the R position with movable cylinder; When C mouth and the air inlet of A mouth, when D mouth and the exhaust of B mouth, movable cylinder is shifted to the right to the I position; When C mouth and the air inlet of B mouth, when D mouth and the exhaust of A mouth, piston rod is shifted to the right to the II position with movable cylinder; Thereby realize advancing I, the II retaining and the retaining R that falls back.
In the utility model, location cylinder assembly control change speed gear box reversing valve core advances or retreats each displacement is 10mm.
Claims (4)
1. automobile electrically-controlled Pneumatic shift device, it is characterized in that, it is by the gear master cock, electromagnetic valve, shuttle valve, Pneumatic valve and fixed cylinder and movable cylinder are formed, said gear master cock connects the corresponding solenoid valve coil, electromagnetic valve gas circuit one end connects main gas circuit, the other end connects corresponding shuttle valve admission port, the air extractor duct of shuttle valve connects the control admission port of corresponding Pneumatic valve, the air extractor duct of Pneumatic valve is connected with the gas port of cylinder, Pneumatic valve also is connected with main gas circuit, the reversing valve core of movable cylinder one termination change speed gear box, the other end is connected and fixed cylinder by piston rod.
2. according to the ecp gearshift described in the claim 1, it is characterized in that automobile establishes R, N, I, the II gear, gear on-off connects electromagnetic valve (1) respectively, (2), (3), (4) coil, electromagnetic valve (1), (2), (3), (4) admission port and Pneumatic valve (9), (10) admission port is in parallel with the automobile high-pressure gas container, the b end of electromagnetic valve (1) air extractor duct shuttle valve in parallel (5) and a end of shuttle valve (8), the a end of electromagnetic valve (2) air extractor duct shuttle valve in parallel (5) and a end of shuttle valve (7), the b end of electromagnetic valve (3) air extractor duct shuttle valve in parallel (6) and the b end of (8), the a end of electromagnetic valve (4) air extractor duct shuttle valve in parallel (6) and the b end of shuttle valve (7), shuttle valve (5), (6) air extractor duct connects two control admission ports of Pneumatic valve (10) respectively, shuttle valve (7), (8) air extractor duct connects two control admission ports of Pneumatic valve (9) respectively, the gas port (C) of the air extractor duct of Pneumatic valve (10) and movable cylinder (11), (D) be connected, the gas port (A) of the air extractor duct of Pneumatic valve (9) and fixed cylinder (12), (B) be connected, movable cylinder one end is connected with fixed cylinder by piston rod, and the other end connects the reversing valve core of change speed gear box.
3. according to the ecp gearshift described in the claim 2, it is characterized in that said Pneumatic valve is the two-position five-way Pneumatic valve.
4. according to the ecp gearshift described in the claim 3, it is characterized in that the diameter of said fixed cylinder is bigger 1.25 times than the diameter of movable cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249238 CN2568459Y (en) | 2002-09-21 | 2002-09-21 | Autornotive electrically controlled pneumatic gearshift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02249238 CN2568459Y (en) | 2002-09-21 | 2002-09-21 | Autornotive electrically controlled pneumatic gearshift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2568459Y true CN2568459Y (en) | 2003-08-27 |
Family
ID=33719706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02249238 Expired - Fee Related CN2568459Y (en) | 2002-09-21 | 2002-09-21 | Autornotive electrically controlled pneumatic gearshift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2568459Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100371631C (en) * | 2005-06-21 | 2008-02-27 | 哈尔滨三迪工控工程有限公司 | Heavy duty truck transmission case gas electric speed regulating device |
| CN100434773C (en) * | 2004-02-11 | 2008-11-19 | 腓特烈斯港齿轮工厂股份公司 | Shifting unit |
-
2002
- 2002-09-21 CN CN 02249238 patent/CN2568459Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434773C (en) * | 2004-02-11 | 2008-11-19 | 腓特烈斯港齿轮工厂股份公司 | Shifting unit |
| CN100371631C (en) * | 2005-06-21 | 2008-02-27 | 哈尔滨三迪工控工程有限公司 | Heavy duty truck transmission case gas electric speed regulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |