CN202251915U - AMT auxiliary box gear shifting cylinder assembly - Google Patents
AMT auxiliary box gear shifting cylinder assembly Download PDFInfo
- Publication number
- CN202251915U CN202251915U CN2011203534144U CN201120353414U CN202251915U CN 202251915 U CN202251915 U CN 202251915U CN 2011203534144 U CN2011203534144 U CN 2011203534144U CN 201120353414 U CN201120353414 U CN 201120353414U CN 202251915 U CN202251915 U CN 202251915U
- Authority
- CN
- China
- Prior art keywords
- odd
- piston
- cylinder body
- solenoid valve
- amt
- 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 - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3023—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
- F16H61/0009—Hydraulic control units for transmission control, e.g. assembly of valve plates or valve units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
- F16H2059/6807—Status of gear-change operation, e.g. clutch fully engaged
Abstract
The utility model discloses an AMT auxiliary box gear shifting cylinder assembly, which comprises an auxiliary box shell, a cylinder cover, an auxiliary box gear shifting shaft, a cylinder body, a piston and an auxiliary box gear shifting fork, wherein the piston is fixedly connected with the auxiliary box gear shifting shaft, the cylinder body is provided with a duplex solenoid valve consisting of a first solenoid valve and a second solenoid valve, the cylinder body at the front side of the piston is provided with a first air hole, the cylinder body at the rear side of the piston is provided with a second air hole, the first air hole is communicated with a working air port of the first solenoid valve through a first air passage in the cylinder body, and the second air hole is communicated with the working air port of the second solenoid valve through a second air passage in the cylinder body; a sensor magnetic ring is fixed on the piston, and a position sensor matched with the sensor magnetic ring is fixed on the side surface of the cylinder body. The utility model discloses an automatically controlled pneumatics function of AMT and closed-loop control avoid magnetic ring displacement signal drift, reserve cylinder pressure monitoring interface and can make things convenient for troubleshooting and bench test.
Description
Technical field
The utility model relates to a kind of vehicle automatic mechanical speed variator (AMT) actuator devices, is specifically related to a kind of AMT odd-side gearshift cylinder assembly.
Background technique
Automatic mechanical transmission (AMT, Automated Mechanical Transmission) is on the basis of ordinary fixed shaft type gear-shift transmission, the manipulation of block selecting, gearshift, clutch and corresponding engine oil, realizes control automatically through microprocessor.Its fundamental function is according to current motoring condition, road surface situation, driver's intention, judges the best gear of speed changer automatically.
The multispeed manual transmission assembly generally is made up of auxiliary transmission and a main-gear box.Combination through them realizes the gearshift of a plurality of advance gear and two positions of reversing gear.Existing odd-side gearshift cylinder assembly; Its working principle is: when the driver wants to switch the odd-side gear; It is through stirring switch on the handle and make on the selector valve control gas port air inlet or dying; Cylinder head and reversing valve complement judge it is by which suction port air inlet through the state of controlling gas port at this moment, and gas gets into the inner promotion of air cavity piston and perhaps moves right left, shift gears with realization thereby drive selector fork by the gearshift axle.Above-mentioned odd-side gearshift cylinder assembly can't satisfy the AMT demand of control automatically on function, promptly can't realize the function of ecp and pistons work position feedback; In addition, structurally cylinder piston adopts the sealing of single " O " RunddichtringO, long-term use gas leakage easily.
The model utility content
The purpose of the utility model is to above-mentioned technical problem, provides a kind of and can realize electropneumatic AMT odd-side gearshift cylinder assembly, and in addition, this assembly also has the function of pistons work position feedback.
For realizing this purpose, a kind of AMT odd-side gearshift cylinder assembly that the utility model designed comprises the odd-side housing; Be assemblied in the cylinder body on the odd-side housing, the cylinder head that is fixedly connected with cylinder body, can be on the odd-side housing parallel mobile odd-side gearshift axle; Be located at the piston in the cylinder body, be fixed on the odd-side selector fork on the odd-side gearshift axle, wherein; Piston is fixedly connected with odd-side gearshift axle; It is characterized in that: be equipped with the bigeminy solenoid valve that constitutes by first solenoid valve and second solenoid valve on the said cylinder body, offer first pore on the cylinder body of said piston front side, offer second pore on the cylinder body of piston rear side; First pore is communicated with the work gas port of first solenoid valve through first air flue in the cylinder body, and second pore is communicated with the work gas port of second solenoid valve through second air flue in the cylinder body; Be fixed with the sensor magnet ring on the said piston, side of cylinder block is fixed with the position transducer that cooperates with the sensor magnet ring.
All offer air pressure on the cylinder body of said piston front side and rear side and detect mouth, said each air pressure detects mouth and all blocks with plug.
The circumferential edge of said piston is provided with " Y " RunddichtringO.
The circumferential edge of said piston is provided with wear ring.
Be provided with seal ring between said piston and the odd-side gearshift axle.
Said position transducer is provided with protective housing outward.
The shared suction port of said first solenoid valve and second solenoid valve; The shared relief opening of first solenoid valve and second solenoid valve.
Offer square groove on the central through bore of said piston, offer the pin-and-hole corresponding with square groove on the odd-side gearshift axle, odd-side gearshift axle passes the central through bore of piston, fixes through locating stud between square groove and the pin-and-hole.
Be connected through bolt between cylinder head and the cylinder body.
The beneficial effect of the utility model is: through fixation of sensor magnet ring on piston, fixed position sensor and bigeminy solenoid valve on cylinder head have been realized the electropneumatic function of AMT; Position transducer in time feeds back to TCU (Transmission Control Unit, automatic transmission case control unit) with piston position signal, has realized closed loop control; The piston mounting type of band locating stud can fixation of sensor magnet ring installation direction, avoids the drift of sensor magnet ring displacement signal; Reserve air pressure detection mouth and can make things convenient for malfunction elimination and stand test.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the cross-sectional view of overlooking of the utility model;
Fig. 3 is the structure of piston schematic representation of the utility model;
Fig. 4 is the schematic diagram of the bigeminy solenoid valve of the utility model;
Fig. 5 is the stereogram of the utility model.
Wherein, 1-odd-side gearshift axle, 2-cylinder body, 3-piston, 4-" Y " RunddichtringO, 5-wear ring, 6-locating stud, 7-seal ring, 8-sensor magnet ring, 9-position transducer, 10-protective housing, 11-cylinder head, 12-bigeminy solenoid valve, 12.1-first solenoid valve, 12.2-second solenoid valve, 12.3-suction port, 12.4-relief opening, 12.5-first air outlet, 12.6-second air outlet, 13-odd-side housing, 14-odd-side selector fork, 15-first pore, 16-second pore, 17-air pressure detect mouth, 18-square groove, A-first air flue, B-second air flue.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to specify:
A kind of AMT odd-side gearshift cylinder assembly shown in Fig. 1～5 comprises odd-side housing 13, is assemblied in the cylinder body 2 on the odd-side housing 13; The cylinder head 11 that is fixedly connected with cylinder body 2, can be on odd-side housing 13 parallel mobile odd-side gearshift axle 1 is located at the piston 3 in the cylinder body 2; Be fixed on the odd-side selector fork 14 on the odd-side gearshift axle 1; Wherein, piston 3 is fixedly connected with odd-side gearshift axle 1, is equipped with the bigeminy solenoid valve 12 that is made up of first solenoid valve 12.1 and second solenoid valve 12.2 on the cylinder body 2; Offer first pore 15 on the cylinder body 2 of piston 3 front sides; Offer second pore, 16, the first pores 15 on the cylinder body 2 of piston 3 rear sides and be communicated with the work gas port of first solenoid valve 12.1 through the first air flue A in the cylinder body 2, second pore 16 is communicated with the work gas port of second solenoid valve 12.2 through the second air flue B in the cylinder body 2; Be fixed with sensor magnet ring 8 on the piston 3, cylinder body 2 sides are fixed with the position transducer 9 that cooperates with sensor magnet ring 8.All offer air pressure on the cylinder body 2 of piston 3 front sides and rear side and detect mouth 17, each air pressure detects mouth 17 and all blocks with plug, when cylinder is carried out stand test and fault diagnosis, pulls up plug and gets final product.
In the technique scheme, the circumferential edge of piston 3 is preferably established better " Y " RunddichtringO 4 of sealability.The circumferential edge of piston 3 is provided with wear ring 5.Be provided with seal ring 7 between piston 3 and the odd-side gearshift axle 1.The said position transducer 9 outer protective housings 10 that are provided with.Be connected through bolt between cylinder head 11 and the cylinder body 2.
In the technique scheme, said first solenoid valve 12.1 and second solenoid valve, 12.2 shared suction ports 12.3; First solenoid valve 12.1 and second solenoid valve, 12.2 shared relief openings 12.4.
In the technique scheme; Offer square groove 18 on the central through bore of said piston 3; Offer the pin-and-hole corresponding with square groove 18 on the odd-side gearshift axle 1, odd-side gearshift axle 1 passes the central through bore of piston 3, fixes through locating stud 6 between square groove 18 and the pin-and-hole; Said structure has been realized a piston 3 and odd-side gearshift 1 fixes, and has avoided the drift of sensor magnet ring displacement signal.
In the technique scheme: odd-side selector fork 14 can't rotate (can only the left and right sides translation gearshift) in odd-side housing 13, does not relatively rotate so odd-side gearshift axle 1 has with respect to odd-side housing 13; And cylinder and odd-side housing 13 are bolted together, and do not relatively rotate so odd-side gearshift axle 1 also has with cylinder body 2.Because the existence of locating stud 6 does not have yet relatively rotates, do not relatively rotate between piston 3 and the odd-side gearshift axle 1 so have between piston 3 and the cylinder body 2.This shows that sensor magnet ring 8 on the piston 3 and 9 nothings of the position transducer on the odd-side housing 13 relatively rotate, and have only the translation of left and right directions, have guaranteed the detection distance of sensor magnet ring 8 and 9 requirements of position transducer and the accuracy of position signal.
When the utility model used: TCU issued bigeminy solenoid valve 12 with action command, and the bigeminy solenoid valve is when 12.1 work of first solenoid valve; Air pressure advances first solenoid valve 12.1 from suction port 12.3, comes out from first air outlet 12.5, through the first air flue A; Get into the cylinder body 2 of piston 3 front sides; Second solenoid valve 12.2 is discharged the gas in the piston 3 rear side cylinder bodies 2 through relief opening 12.4, promotes piston and moves right, and realizes the odd-side gearshift.Position transducer 9 is given TCU with piston 3 position feedback simultaneously, realizes closed loop control.And the air pressure in left chamber detects mouthfuls 17 the operating air pressure that baroceptor detects left chamber can be installed when needed, for stand test and fault diagnosis provide convenience; Get final product and block with plug when not required.When should second solenoid valve 12.2 doing; Air pressure advances second solenoid valve 12.2 from suction port 12.3, comes out the second air flue B on cylinder body 2 from second air outlet 12.6; Get into the cylinder body 2 of piston 3 rear sides; First solenoid valve 12.1 is discharged the gas in the piston 3 front side cylinder bodies 2 through relief opening 12.4, promotes piston to left movement, realizes the odd-side gearshift.Simultaneously position transducer 9 feeds back to TCU with piston position, realizes closed loop control.
The content that this specification is not done to describe in detail belongs to related domain professional and technical personnel's known prior art.
Claims (9)
1. AMT odd-side gearshift cylinder assembly; Comprise odd-side housing (13), be assemblied in the cylinder body (2) on the odd-side housing (13), the cylinder head (11) that is fixedly connected with cylinder body (2); Can go up parallel mobile odd-side gearshift axle (1) at odd-side housing (13); Be located at the piston (3) in the cylinder body (2), be fixed on the odd-side selector fork (14) on the odd-side gearshift axle (1), wherein; Piston (3) is fixedly connected with odd-side gearshift axle (1); It is characterized in that: be equipped with the bigeminy solenoid valve (12) that constitutes by first solenoid valve (12.1) and second solenoid valve (12.2) on the said cylinder body (2), offer first pore (15) on the cylinder body (2) of said piston (3) front side, offer second pore (16) on the cylinder body (2) of piston (3) rear side; First pore (15) is communicated with the work gas port of first solenoid valve (12.1) through first air flue (A) in the cylinder body (2), and second pore (16) is communicated with the work gas port of second solenoid valve (12.2) through second air flue (B) in the cylinder body (2); Be fixed with sensor magnet ring (8) on the said piston (3), cylinder body (2) side is fixed with the position transducer (9) that cooperates with sensor magnet ring (8).
2. AMT odd-side gearshift cylinder assembly according to claim 1 is characterized in that: all offer air pressure on the cylinder body (2) of said piston (3) front side and rear side and detect mouthful (17), said each air pressure detects mouthful (17) and all blocks with plug.
3. AMT odd-side gearshift cylinder assembly according to claim 1, it is characterized in that: the circumferential edge of said piston (3) is provided with " Y " RunddichtringO (4).
4. AMT odd-side gearshift cylinder assembly according to claim 1, it is characterized in that: the circumferential edge of said piston (3) is provided with wear ring (5).
5. AMT odd-side gearshift cylinder assembly according to claim 1 is characterized in that: be provided with seal ring (7) between said piston (3) and the odd-side gearshift axle (1).
6. AMT odd-side gearshift cylinder assembly according to claim 1 is characterized in that: the outer protective housing (10) that is provided with of said position transducer (9).
7. AMT odd-side gearshift cylinder assembly according to claim 1 is characterized in that: said first solenoid valve (12.1) and the shared suction port of second solenoid valve (12.2) (12.3); First solenoid valve (12.1) and the shared relief opening of second solenoid valve (12.2) (12.4).
8. AMT odd-side gearshift cylinder assembly according to claim 1; It is characterized in that: offer square groove (18) on the central through bore of said piston (3); Offer and the corresponding pin-and-hole of square groove (18) on the odd-side gearshift axle (1); Odd-side gearshift axle (1) passes the central through bore of piston (3), and is fixing through locating stud (6) between square groove (18) and the pin-and-hole.
9. AMT odd-side according to claim 1 gearshift cylinder assembly is characterized in that: be connected through bolt between cylinder head (11) and the cylinder body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203534144U CN202251915U (en) | 2011-09-20 | 2011-09-20 | AMT auxiliary box gear shifting cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203534144U CN202251915U (en) | 2011-09-20 | 2011-09-20 | AMT auxiliary box gear shifting cylinder assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251915U true CN202251915U (en) | 2012-05-30 |
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ID=46113158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203534144U Expired - Lifetime CN202251915U (en) | 2011-09-20 | 2011-09-20 | AMT auxiliary box gear shifting cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251915U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748464A (en) * | 2012-06-27 | 2012-10-24 | 陕西法士特齿轮有限责任公司 | Novel three-position cylinder executing mechanism of auxiliary box |
| CN102954206A (en) * | 2012-12-03 | 2013-03-06 | 浙江亿日气动科技有限公司 | Integrated pneumatic shifting operation system |
| CN102966731A (en) * | 2012-12-03 | 2013-03-13 | 浙江亿日气动科技有限公司 | Pneumatic shifting control system for transmission |
| CN103982651A (en) * | 2014-05-12 | 2014-08-13 | 天津市松正电动汽车技术股份有限公司 | Shift actuator of transmission and transmission |
| CN103982642A (en) * | 2014-05-12 | 2014-08-13 | 天津市松正电动汽车技术股份有限公司 | Shift actuator of transmission, shifting method and vehicle |
| WO2017080720A1 (en) * | 2015-11-09 | 2017-05-18 | Zf Friedrichshafen Ag | Arrangement for actuating a shifting element |
| CN107542720A (en) * | 2016-06-28 | 2018-01-05 | 河南航天液压气动技术有限公司 | A kind of new three cylinders |
-
2011
- 2011-09-20 CN CN2011203534144U patent/CN202251915U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748464A (en) * | 2012-06-27 | 2012-10-24 | 陕西法士特齿轮有限责任公司 | Novel three-position cylinder executing mechanism of auxiliary box |
| CN102748464B (en) * | 2012-06-27 | 2015-04-08 | 陕西法士特齿轮有限责任公司 | Novel three-position cylinder executing mechanism of auxiliary box |
| CN102954206A (en) * | 2012-12-03 | 2013-03-06 | 浙江亿日气动科技有限公司 | Integrated pneumatic shifting operation system |
| CN102966731A (en) * | 2012-12-03 | 2013-03-13 | 浙江亿日气动科技有限公司 | Pneumatic shifting control system for transmission |
| CN102966731B (en) * | 2012-12-03 | 2016-05-04 | 浙江亿日气动科技有限公司 | Speed changer Pneumatic shift operating system |
| CN103982651A (en) * | 2014-05-12 | 2014-08-13 | 天津市松正电动汽车技术股份有限公司 | Shift actuator of transmission and transmission |
| CN103982642A (en) * | 2014-05-12 | 2014-08-13 | 天津市松正电动汽车技术股份有限公司 | Shift actuator of transmission, shifting method and vehicle |
| WO2017080720A1 (en) * | 2015-11-09 | 2017-05-18 | Zf Friedrichshafen Ag | Arrangement for actuating a shifting element |
| CN107542720A (en) * | 2016-06-28 | 2018-01-05 | 河南航天液压气动技术有限公司 | A kind of new three cylinders |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DONGFENG COMMERCIAL VEHICLE CO., LTD. Free format text: FORMER OWNER: DONGFENG AUTOMOBILE CO., LTD. Effective date: 20130906 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430056 WUHAN, HUBEI PROVINCE TO: 442001 SHIYAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130906 Address after: Shiyan City, Hubei province 442001 City Road No. 2 District zhangjiewan Patentee after: Dongfeng Commercial Vehicle Co.,Ltd. Address before: 430056 Dongfeng Road, Wuhan Economic & Technological Development Zone, Hubei, Wuhan, China, No. 10 Patentee before: DONGFENG MOTER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |