CN104235354B - A kind of commercial car Novel shifting fork - Google Patents
A kind of commercial car Novel shifting fork Download PDFInfo
- Publication number
- CN104235354B CN104235354B CN201410397012.2A CN201410397012A CN104235354B CN 104235354 B CN104235354 B CN 104235354B CN 201410397012 A CN201410397012 A CN 201410397012A CN 104235354 B CN104235354 B CN 104235354B
- Authority
- CN
- China
- Prior art keywords
- shift fork
- shift
- fork
- gland
- allocating slot
- 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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Classifications
-
- 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
- F16H63/32—Gear shift yokes, e.g. shift forks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
A kind of commercial car Novel shifting fork, relates to a kind of commercial car speed changer accessory, particularly relates to commercial car novel aluminum alloy shift fork.Purpose is to provide a kind of commercial car Novel shifting fork, by improve shifting fork structure make its gear shift ride comfort, reduce noise, improve wear-resisting, gear shift smooth, response fast.Including shift fork head, shift fork body, shift fork pin, shift fork head having shift fork axle installing hole, shift fork axle installing hole has gland, i.e. shift fork pore pressure lining is dual alloy lining, each one of two ends, and shift fork pore pressure lining internal layer is anti-attrition plastic layer, and coefficient of friction is little.
Description
Technical field
The present invention relates to a kind of commercial car speed changer accessory, particularly relate to commercial car novel aluminum alloy shift fork.
Background technology
Development along with automobile industry, the particularly research and development of energy-conserving and environment-protective new automobile are released, it is that to challenge also be opportunity to auto-parts, the particularly heavier-weight of commercial car own, each parts will alleviate weight, our company combines the utilization of new material and new technology, is improved gearshift fork, to adapt to automobile industry to spare and accessory parts requirement；It is exactly the position that shift fork contacts with synchronizer gear sleeve that shift fork is easiest to the place of abrasion, because synchronizer gear sleeve does not turns at high-speed rotary then shift fork, shift fork weares and teares, or insufficient strength, gear may be caused to hang not in place, and lose rank, or shift fork drop.
Summary of the invention
It is an object of the invention to provide a kind of commercial car Novel shifting fork, by improve shifting fork structure make its gear shift ride comfort, reduce noise, improve wear-resisting, gear shift smooth, response fast.
The technical scheme is that a kind of commercial car Novel shifting fork, including shift fork head, shift fork body, shift fork pin, shift fork axle installing hole is had on shift fork head, shift fork axle installing hole has gland, i.e. shift fork pore pressure lining, it it is dual alloy lining, each one of two ends, shift fork pore pressure lining internal layer is anti-attrition plastic layer, coefficient of friction is little, shift fork alloy matrix aluminum studs with two pincers parts: one is allocating slot block, is arranged on shift fork body, allocating slot block is provided with groove, promotes allocating slot block to realize shift fork motion in gear shifting rod inserts the fast groove of allocating slot during shift；Another waveform geosynclinal block, it is arranged on shift fork head, the exposed face of waveform geosynclinal block sets contoured shaped recess, waveform groove on shift fork head is for realizing gear shift self-locking use, it is characterized in that: the installation of shift fork pore pressure lining uses hydraulic numerical control forcing press gland, be convenient for measuring interference power, and do contact sealing process, preventing shift fork pore pressure lining from coming off, shift fork gear shift is smooth, response is fast；Shift fork contacts with tooth set and is provided with a pair pair of friction components, and pair of friction components surface is circular arc type structure, makes shift fork become linear contact lay with tooth socket thixotroping, reduces resistance and the contact area with tooth set when sliding, improve gear shift ride comfort and reduce noise more than 70%；Two geosynclinal block compression mod precision are high, and mold insert uses fine and plain grinding processing, to guarantee quality of fit；Shift fork body uses light weight, high-strength aluminum alloy R14 as matrix material；Shift fork body sets symmetrical reinforcing rib structure, to bear berth-changing strength；Allocating slot block and waveform geosynclinal block use 35# steel to make.
Further shift fork uses lightweight high-intensity aluminium alloy R14 as shift fork matrix material, alleviates weight.
The beneficial effects of the present invention is, for berth-changing strength effect, shift fork fork face has been carried out structure improvement；Make speed changer optimized integral structure, reduce the contact surface of fork shaft and hole, be greatly reduced shift fork resistance to sliding on fork shaft, overcome generation shift fork and kill phenomenon with fork shaft；Reduce noise more than 70%；Gear shift response is fast, is accurately positioned, and gear shift is steady.
Present configuration is further illustrated below in conjunction with drawings and Examples
Fig. 1 is the main schematic diagram of embodiment of the present invention structure
Fig. 2 is the right schematic diagram of embodiment of the present invention structure
Fig. 3 is the left schematic diagram of embodiment of the present invention structure
Fig. 4 is embodiment of the present invention structure shift fork head cut-away view
Shift fork pin 1, allocating slot block 2, shift fork axle installing hole 3, waveform geosynclinal block 4, shift fork head 5, shift fork body 6, shift fork pore pressure lining 7, pair of friction components 8 in figure.
Detailed description of the invention
In figure: commercial car Novel shifting fork, including shift fork head 5, shift fork body 6, shift fork pin 7, shift fork axle installing hole 3 is had on shift fork head 5, shift fork axle installing hole 3 has gland, i.e. shift fork pore pressure lining 7, it it is dual alloy lining, each one of two ends, shift fork pore pressure lining 7 internal layer is anti-attrition plastic layer, and the installation of shift fork pore pressure lining 7 uses hydraulic numerical control forcing press gland, is convenient for measuring interference power, and do contact sealing process, preventing shift fork pore pressure lining 7 from coming off, shift fork is provided with a pair pair of friction components 8 with tooth set contact position, and pair of friction components 8 surface is circular arc type structure；Stud with two pincers parts on shift fork alloy matrix aluminum: one is allocating slot block 2, is arranged on shift fork body 6, and allocating slot block 2 is provided with groove, in gear shifting rod inserts allocating slot block 2 groove during shift, promote allocating slot block 2 to realize shift fork motion；Another waveform geosynclinal block 4, is arranged on shift fork head 5, and the exposed face of waveform geosynclinal block 4 sets contoured shaped recess, and the waveform groove 4 on shift fork head 5 is for realizing gear shift self-locking use.Shift fork uses light weight, high-strength aluminum alloy R14 as matrix material；Shift fork body 6 sets symmetrical reinforcing rib structure, to bear berth-changing strength；Allocating slot block 2 and waveform geosynclinal block 4 use 35# steel to make.
Processing technology:
1). based on the feature that intensity of aluminum alloy is poorer than steel-casting, during for meeting gear shift, moment berth-changing strength is to the cast form for the first time of shift fork requirement of strength, shift fork body and shift fork；
2). allocating slot block and the fine die casting of waveform geosynclinal block form, and mold insert uses fine and plain grinding processing, processes through carburizing and quenching；
3). shift fork uses Cutter Body Processing with Machining Center, disposable clamping, it is ensured that the position dimension of shift fork own and main aperture aperture and the cylindricity in hole；
4). shift fork body intensity reaches static pressure i.e. dead load 7500 8000N；
5). use and carry out shift fork gland on digitally-controlled press machine, it is ensured that during accurate control gland, pressure is at 3KN-5KN, it is ensured that gland quality；
6). fork face i.e. claw hardness is more than HRB60, and two fork face perpendicularity are 0.07-0.1.
Claims (1)
1. a commercial car Novel shifting fork, including shift fork head, shift fork body, shift fork pin, shift fork axle installing hole is had on shift fork head, shift fork axle installing hole has gland, i.e. shift fork pore pressure lining, it it is dual alloy lining, each one of two ends, shift fork pore pressure lining internal layer is anti-attrition plastic layer, coefficient of friction is little, two pincers parts are studded with: one is allocating slot block on shift fork alloy matrix aluminum, it is arranged on shift fork body, allocating slot block is provided with groove, allocating slot block is promoted to realize shift fork motion in gear shifting rod inserts allocating slot block groove during shift, another waveform geosynclinal block, it is arranged on shift fork head, the exposed face of waveform geosynclinal block sets contoured shaped recess；It is characterized in that: the installation of shift fork pore pressure lining uses hydraulic numerical control forcing press gland, be convenient for measuring interference power, and do contact sealing process；Shift fork contacts with tooth set and is provided with a pair pair of friction components, and pair of friction components surface is circular arc type structure, makes shift fork become linear contact lay with tooth socket thixotroping；Two geosynclinal block compression mods are fine, and mold insert uses fine and plain grinding processing；Shift fork body uses light weight, high-strength aluminum alloy R14 as matrix material；Shift fork body sets symmetrical reinforcing rib structure, to bear berth-changing strength；Allocating slot block and waveform geosynclinal block use 35# steel to make, and shift fork manufacturing process is as follows:
1). based on the feature that intensity of aluminum alloy is poorer than steel-casting, during for meeting gear shift, moment berth-changing strength is to the cast form for the first time of shift fork requirement of strength, shift fork body and shift fork；
2). allocating slot block and the fine die casting of waveform geosynclinal block form, and mold insert uses fine and plain grinding processing, processes through carburizing and quenching；
3). shift fork uses Cutter Body Processing with Machining Center, disposable clamping, it is ensured that the position dimension of shift fork own and main aperture aperture and the cylindricity in hole；
4). shift fork body intensity reaches static pressure i.e. dead load 7500 8000N；
5). use and carry out shift fork gland on digitally-controlled press machine, it is ensured that during accurate control gland, pressure is at 3KN-5KN, it is ensured that gland quality；
6). fork face i.e. claw hardness is more than HRB60, and two fork face perpendicularity are 0.07-0.1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397012.2A CN104235354B (en) | 2014-08-14 | 2014-08-14 | A kind of commercial car Novel shifting fork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397012.2A CN104235354B (en) | 2014-08-14 | 2014-08-14 | A kind of commercial car Novel shifting fork |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104235354A CN104235354A (en) | 2014-12-24 |
| CN104235354B true CN104235354B (en) | 2016-08-24 |
Family
ID=52224001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410397012.2A Expired - Fee Related CN104235354B (en) | 2014-08-14 | 2014-08-14 | A kind of commercial car Novel shifting fork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104235354B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290088B (en) * | 2017-06-29 | 2023-04-07 | 柳州上汽汽车变速器有限公司 | Method for measuring pulling force of shifting fork bush |
| CN111637223A (en) * | 2020-06-19 | 2020-09-08 | 苏州东风精冲工程有限公司 | Anti-disengaging structure for shifting fork bushing of gearbox |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1262692A2 (en) * | 2001-06-01 | 2002-12-04 | GIF Gesellschaft für Industrieforschung mbH | Transmission |
| CN202203382U (en) * | 2011-07-29 | 2012-04-25 | 中国第一汽车股份有限公司 | Gear shifting mechanism of mechanical gearbox |
| CN202274080U (en) * | 2011-08-24 | 2012-06-13 | 江西国兴集团兴国齿轮箱拨叉有限公司 | Novel vehicle reverse gear shifting fork |
| CN202883995U (en) * | 2012-11-13 | 2013-04-17 | 象山申达轿车配件厂 | Gear shifting fork |
| CN202992151U (en) * | 2013-01-05 | 2013-06-12 | 江西国兴集团兴国齿轮箱拨叉有限公司 | Novel shifting fork |
| CN203770615U (en) * | 2014-01-13 | 2014-08-13 | 宁海县满益汽配有限公司 | Gear shifting fork for automobile transmission |
-
2014
- 2014-08-14 CN CN201410397012.2A patent/CN104235354B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1262692A2 (en) * | 2001-06-01 | 2002-12-04 | GIF Gesellschaft für Industrieforschung mbH | Transmission |
| CN202203382U (en) * | 2011-07-29 | 2012-04-25 | 中国第一汽车股份有限公司 | Gear shifting mechanism of mechanical gearbox |
| CN202274080U (en) * | 2011-08-24 | 2012-06-13 | 江西国兴集团兴国齿轮箱拨叉有限公司 | Novel vehicle reverse gear shifting fork |
| CN202883995U (en) * | 2012-11-13 | 2013-04-17 | 象山申达轿车配件厂 | Gear shifting fork |
| CN202992151U (en) * | 2013-01-05 | 2013-06-12 | 江西国兴集团兴国齿轮箱拨叉有限公司 | Novel shifting fork |
| CN203770615U (en) * | 2014-01-13 | 2014-08-13 | 宁海县满益汽配有限公司 | Gear shifting fork for automobile transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104235354A (en) | 2014-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 342400 Jiangxi city of Ganzhou province Xingguo County Red Gate Industrial Park C District Xingguo gearbox fork Co. Ltd. Applicant after: JIANGXI GL TRANSMISSION TECHNOLOGY CO., LTD. Address before: 342400 Jiangxi city of Ganzhou province Xingguo County Red Gate Industrial Park C District Xingguo gearbox fork Co. Ltd. Applicant before: JIANGXI GUOXING GROUP XINGGUO GEAR BOX SHIFTING FORK CO., LTD. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: JIANGXI GUOXING GROUP XINGGUO GEAR CASE MOVING FORK CO., LTD. TO: JIANGXI GUANGLAN TRANSMISSION TECHNOLOGY CO., LTD. |
|
| 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: 20160824 Termination date: 20190814 |