CN107420533A - A kind of gear selecting gearshift location hand feeling mechanism - Google Patents
A kind of gear selecting gearshift location hand feeling mechanism Download PDFInfo
- Publication number
- CN107420533A CN107420533A CN201710375596.7A CN201710375596A CN107420533A CN 107420533 A CN107420533 A CN 107420533A CN 201710375596 A CN201710375596 A CN 201710375596A CN 107420533 A CN107420533 A CN 107420533A
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- CN
- China
- Prior art keywords
- feel
- block
- gear
- shifting
- gear selecting
- 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.)
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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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
- F16H61/24—Providing feel, e.g. to enable selection
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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
- F16H59/02—Selector apparatus
- F16H2059/0295—Selector apparatus with mechanisms to return lever to neutral or datum position, e.g. by return springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
Abstract
The invention discloses a kind of gear selecting gearshift location hand feeling mechanism, shifting shifting block side is provided with open recess, and inside grooves centre bore is provided with some half slots built with spring, groove top and bottom margin；Two gear shift feel blocks are vertically disposed with groove, two are symmetrically set between gear shift feel block and selects reverse gear feel block, two are selected and are provided with two gear selecting feel blocks between reverse gear feel block；Spring and two gear selecting feel block the inner Elastic Contacts；Gear shift feel block, gear selecting feel block, reverse gear feel block is selected to be fixed respectively by the bolt assembly of at the top of through-going recess and bottom；Feel pin assembly is oppositely arranged with groove, and feel pin assembly includes ejector pin and nut, and cylindrical spring is provided between ejector pin and nut, and the end set of ejector pin has rolling steel balls；Rolling steel balls and the component contact on groove.The structure greatly improves gear selecting shifting system performance, lifts driver's shifting comfort level in the process of moving.
Description
Technical field
The present invention relates to transmission technology field, specifically a kind of gear selecting gearshift location hand feeling mechanism.
Background technology
With increasingly internationalization, high-endization of product, speed changer quality requirement and performance requirement that user produces to company
More and more higher, wherein shifting suction sense, plucking gear, precisely return is that the most important performance of gear selecting shifting comfort refers to automatically
Mark.
The content of the invention
To solve the problems, such as that prior art is present, the present invention provides a kind of gear selecting gearshift location hand feeling mechanism.The knot
Structure has increase shifting suction sense, lifting block selecting definition, reduces neutral and in gear gap feature.
To achieve the above object, the present invention uses following technical scheme：
A kind of gear selecting gearshift location hand feeling mechanism, including shifting shifting block and feel pin assembly；
Described shifting shifting block side is provided with open recess, and open recess inside center hole is built with the first elasticity member
Part, open recess top and bottom margin are provided with some half slots；Two gear shift feel blocks are vertically disposed with open recess,
Two are symmetrically set between two gear shift feel blocks and selects reverse gear feel block, two select it is symmetrical between reverse gear feel block
It is provided with two gear selecting feel blocks；The first described flexible member and two gear selecting feel block the inner Elastic Contacts；Gear shift feel
Block, gear selecting feel block, reverse gear feel block is selected to be fixed respectively by the bolt assembly through open recess top and bottom；
Described feel pin assembly is oppositely arranged with open recess, and feel pin assembly includes ejector pin and fixed seat, top
The second flexible member is provided between pin and fixed seat, the end set of ejector pin there are rolling steel balls；Shifting shifting block in gear selecting and
In shift process, the part in open recess contacts the second flexible member of compression with rolling steel balls and produces feel power.
Described gear shift feel block is rectangular block structure, and its inner side long side is concordant with open recess inwall, its outer long side
Edge is arc structure, and arc structure stretches out open recess outward flange；Described selects on the inside of reverse gear feel block and in open recess
Wall is concordant, and its outside sets raised, and two are selected and form the first groove between reverse gear feel block；Described gear selecting feel block and the first groove
Gap coordinates, and tip is provided with the outside of gear selecting feel block.
The second groove for positioning neutral is formed between two tips；The sophisticated of side is formed between projection for positioning
1st, 2 grades of the 3rd groove, raised outside are formed for positioning the 4th groove to reverse gear, and sophisticated formed between projection of opposite side is used for
5th groove of 5,6 grades of positioning.
The half slot quantity of open recess top and bottom margin is four, and is correspondingly arranged up and down；Four half slots
It is corresponding in turn to the 4th groove, the 3rd groove, the second groove and the 5th groove.
When speed changer is in neutral gear position, the first flexible member is located at same with feel pin assembly inside shifting shifting block
One center, rolling steel balls are arranged in the second groove, and gear selecting feel block is arranged on the bottom of the first groove, at the first flexible member
In compressive state, the second flexible member is in compressive state.
The first described groove inwall is that inclined-plane, gear selecting feel block and the first slot structure are stayed to matching, two gear selecting feel blocks
There is gap.
Through hole on described gear selecting feel block coordinates with bolt assembly gap.
The diameter of described half slot is less than the diameter of rolling steel balls.
Described the first flexible member and the second flexible member is spring.
Described fixed seat is connected with case of transmission, the shifting axis connection of shifting shifting block and speed changer.
The present invention compared with prior art, has advantages below：
The present invention's is for the original gear selecting structure of speed changer is present without block selecting suction sense, gearshift suction sense is weak, block selecting is clear
The low and neutral of clear degree and propose gear gap is big situations such as.It is proposed a kind of by feel pin assembly regulation shifting shifting block
Device with feel power, to lift existing production transmissions shifting systematic function.In speed-changer operation device correct position
Installation feel pin assembly passes through connecing for elastic component and each block with having the shifting shifting block of feel block structure to work in coordination
Touching to produce elastic force (it is feel power to feed back to user) and be finally reached increases shifting suction sense, lifting block selecting definition, reduces
Neutral and in gear gap purpose.Gear selecting shifting system performance is greatly improved, lifting driver selects in the process of moving to be changed
Keep off comfort level.Shifting block and manipulation casing blank are slightly alterred, there is higher economic benefit and social benefit.
Further, this mechanism is by setting gear shift feel block, gear selecting feel block, selecting reverse gear feel block so that shifting is dialled
Head has shifting suction sense in gear selecting and gearshift, and block selecting definition is high, neutral and small in gear gap, greatly improves speed change
Device shifting systematic function, lift driver's shifting comfort level in the process of moving.
Brief description of the drawings
Fig. 1-1 is gear selecting gearshift location hand feeling mechanism assembly figure；
Fig. 1-2 gear selectings gearshift location hand feeling mechanism explosive view；
Vertical cross-sectional during Fig. 2-1 neutral gear positions；
Transverse sectional view during Fig. 2-2 neutral gear positions；
Vertical cross-sectional when Fig. 3-1 selects 1/2 file location；
Transverse sectional view when Fig. 3-2 selects 1/2 file location；
Transverse sectional view when Fig. 4 selects reverse gear position；
Sectional view when Fig. 5 hangs any file location；
Wherein, 1. shifting shifting block；2. the first flexible member (spring)；3. bolt assembly；4. gear shift feel block；5. gear selecting
Feel block；6. select reverse gear feel block；7. feel pin assembly；8. rolling steel balls；9. ejector pin；10. the second flexible member (cylinder bullet
Spring)；11. packing ring；12. fixed seat (nut)；13. half slot；14. open recess 14.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
As shown in Fig. 1-1 and Fig. 1-2, a kind of gear selecting gearshift location hand feeling mechanism includes shifting shifting block 1, its structure
It is the open recess 14 at the correct position of shifting shifting block 1 processing one, a hole, hole is processed in the inner hub location of open recess 14
Built with spring (the first flexible member) 2.It is used to pacify in two tapped through holes of the suitable external processing in the top of open recess 14 and bottom
Fill hexagon-headed bolt and spring washer sub-assembly 3.Some half are respectively processed at the top of open recess 14 and bottom margin correct position
Circular groove, which is used to position, to be reduced in gear gap.Gear shift feel block 4, gear selecting feel are installed successively by assembly relation in open recess 14
Block 5, select reverse gear feel block 6.In correct position increase feel pin assembly 7, feel pin assembly 7 assembles band successively from inside to outside
The ejector pin 9 of rolling steel balls 8, cylindrical spring (the second flexible member) 10, packing ring 11 and nut 12.Shifting shifting block 1 in gear selecting and
In shift process, the part in open recess 14 contacts the second flexible member 10 of compression with rolling steel balls 8 and produces feel power.
As shown in Figure 1-2, gear shift feel block 4 is rectangular block structure, and its inner side long side is concordant with the inwall of open recess 14, its
Outer long side edge is arc structure, and arc structure stretches out the outward flange of open recess 14；It is described select the inner side of reverse gear feel block 6 with
The inwall of open recess 14 is concordant, and its outside sets raised, and two are selected and form the first groove between reverse gear feel block 6；Described gear selecting
The groove gap of feel block 5 and first coordinates, and the outside of gear selecting feel block 5 is provided with tip.Formed between two tips for positioning sky
Second groove of gear；Sophisticated the 3rd groove formed between projection for positioning 1,2 grade of side, raised outside are formed for positioning
The 4th groove to reverse gear, sophisticated the 5th groove formed between projection for positioning 5,6 grades of opposite side.The top of open recess 14 and
The quantity of half slot 13 of bottom margin is four, and is correspondingly arranged up and down；Four half slots are corresponding in turn to the 4th groove, the 3rd
Groove, the second groove and the 5th groove.First groove inwall is inclined-plane, gear selecting feel block 5 and the first slot structure to matching, two gear selecting feels
Block 5 leaves gap.
When speed changer is in neutral gear position, first flexible member of the inside of shifting shifting block 12 and feel pin assembly 7
In same center, rolling steel balls 8 are arranged in the second groove, and gear selecting feel block 5 is arranged on the bottom of the first groove, the first elasticity
Element 2 is in compressive state, and the second flexible member 10 is in compressive state.First flexible member 2 and the second flexible member 10 are equal
For spring.
Through hole on gear selecting feel block 5 coordinates with the gap of bolt assembly 3.The diameter of half slot 13 is less than rolling steel balls 8
Diameter.Fixed seat 12 is connected with case of transmission, the shifting axis connection of shifting shifting block 1 and speed changer.
With reference to Fig. 2-1 to Fig. 5, the specific gearshift principle of the present invention is as follows：
(1) when selecting gear shifting pulling head 1 to be in neutral gear position in feel pin assembly 7 and the open recess 14 of shifting shifting block 1
Hole is concentric.When selecting gear shifting pulling head 1 to be acted on axial movement by external force, the gear selecting feel block 5 for being machined with long slot bore is made in ejector pin 9
Under, moved on the boss cylinder of gear shift feel block 4 to inside shifting block open recess 14 so as to compress bullet in the hole of open recess 14
Spring 2.Reverse gear feel block 6 and gear shift feel block 4 is selected to be fixed on by hexagon-headed bolt in the open recess 14 of shifting shifting block 1.
(2) during shifting shifting block 1 selects 1/2 grade or reverse gear by neutral, the axle under external force of shifting shifting block 1
To movement, gear selecting feel block 5 and select reverse gear feel block 6 is relative with the ejector pin with rolling steel balls 8 to slide, now gear selecting feel block 5
With the geo-stationary of shifting shifting block 1, ejector pin slides to gear selecting feel block 5 and forms block selecting suction sense after selecting the top of reverse gear feel block 6；
During shifting shifting block 1 retracts neutral by 1/2 grade or reverse gear, work of the gear selecting feel block 5 in the ejector pin 9 with rolling steel balls 8
The hole inner spring of open recess 14 is compressed to inside the open recess 14 of shifting shifting block 1 with the lower boss cylinder along gear shift feel block 4
It is mobile, shifting shifting block 1 is easily precisely returned to neutral gear position, while the hole inner spring 2 of open recess 14 is by gear selecting feel block 5
Recover to initial position.
(3) during shifting shifting block 1 hangs any gear, shifting shifting block 1 is rotated under external force, gear shift
Feel block 4 is relative with the ejector pin 9 with rolling steel balls 8 to be slided, and the ejector pin 9 with rolling steel balls 8 slides to the skewed slot top of gear shift feel block 4
Gearshift suction sense is formed behind portion.When selecting gear shifting pulling head 1 to be suspended to any gear, the ejector pin with rolling steel balls 8 is pointing exactly to semicircle
Groove, and then ejector pin is spacing to the progress of shifting block upper half-round slot, is finally reached reduction in gear gap purpose.
The course of work of the present invention is as follows：
When speed changer is in neutral gear position (such as Fig. 1-1), the contained spring 2 of shifting shifting block 1 and feel pin assembly 7
In same center.
During speed changer selects 1/2 grade (such as Fig. 3-2) by neutral (such as Fig. 2-2), shifting shifting block 1 is used in outer masterpiece
Lower axial movement, gear selecting feel block 5 is relative with the ejector pin 9 with rolling steel balls 8 to be slided, and now gear selecting feel block 5 is dialled with shifting
First 1 geo-stationary, ejector pin 9 form block selecting suction sense after sliding to the top of gear selecting feel block 5.
During speed changer retracts neutral (such as Fig. 2-2) by 1/2 grade (such as Fig. 3-2), gear selecting feel block 5 rolls steel in band
The hole inner spring 2 of open recess 14 is compressed to shifting shifting block 1 along the boss cylinder of gear shift feel block 4 in the presence of the ejector pin 9 of ball 8
The inside of open recess 14 is mobile, shifting shifting block 1 is easily precisely returned to neutral gear position, while the hole inner spring of open recess 14
2 recover gear selecting feel block 5 to initial position.
During speed changer selects reverse gear (such as Fig. 4) by neutral (such as Fig. 2-2), shifting shifting block 1 is under external force
Axial movement, select reverse gear feel block 6 is relative with the ejector pin 9 with rolling steel balls 8 to slide, now select reverse gear feel block 6 and shifting
The geo-stationary of shifting block 1, ejector pin 9 slides to select the top of reverse gear feel block 6 after form block selecting suction sense.
During speed changer retracts neutral (such as Fig. 2-2) by reverse gear (such as Fig. 4), although the ejector pin 9 with rolling steel balls 8 is right
The return of shifting shifting block 1 has certain resistance, but selects displacement of reversing gear big, shifting shifting block 1 also can be easily crossed and selects reverse gear feel
Block 6, and repeat to retract neutral step by 1/2 grade, finally precisely return to neutral gear position.
During speed changer hangs any gear (such as Fig. 5) by neutral gear (such as Fig. 2-2), shifting shifting block 1 is used in outer masterpiece
Under rotated, gear shift feel block 4 and the ejector pin 9 with rolling steel balls 8 are relative to be slided, and the ejector pin 9 with rolling steel balls 8 slides to gear shift
Gearshift suction sense is formed after the top of the chute of feel block 4.
When elected gear shifting pulling head 1 is suspended to any gear (such as Fig. 5), the ejector pin 9 with rolling steel balls 8 is pointing exactly to half slot,
And then ejector pin 9 is spacing to the progress of shifting block upper half-round slot, reduction is finally reached in gear gap purpose.
More than, only presently preferred embodiments of the present invention, the practical range of the present invention is not limited only to, it is all according to the scope of the invention
The equivalence changes done of content and modification, all should be the technology category of the present invention.
Claims (10)
- A kind of 1. gear selecting gearshift location hand feeling mechanism, it is characterised in that：Including shifting shifting block (1) and feel pin assembly (7)；Described shifting shifting block (1) side is provided with open recess (14), and open recess (14) inside center hole is built with One flexible member (2), open recess (14) top and bottom margin are provided with some half slots (13)；On in open recess (14) Two gear shift feel blocks (4) are arranged with, being symmetrically set with two between two gear shift feel blocks (4) selects reverse gear feel block (6), two are selected and are symmetrically set with two gear selecting feel blocks (5) between reverse gear feel block (6)；The first described flexible member (2) with two inner Elastic Contacts of gear selecting feel block (5)；Gear shift feel block (4), gear selecting feel block (5), select reverse gear feel block (6) it is fixed respectively by the bolt assembly (3) through open recess (14) top and bottom；Described feel pin assembly (7) is oppositely arranged with open recess (14), feel pin assembly (7) include ejector pin (9) and Fixed seat (12), is provided with the second flexible member (10) between ejector pin (9) and fixed seat (12), the end set of ejector pin (9) has Rolling steel balls (8)；Shifting shifting block (1) is in gear selecting and shift process, part and rolling steel balls (8) in open recess (14) Contact the second flexible member of compression (10) produces feel power.
- A kind of 2. gear selecting gearshift location hand feeling mechanism according to claim 1, it is characterised in that：Described gear shift hand It is rectangular block structure to feel block (4), and its inner side long side is concordant with open recess (14) inwall, and its outer long side edge is arc structure, And arc structure stretches out open recess (14) outward flange；Described selects reverse gear feel block (6) inner side and open recess (14) inwall Concordantly, its outside is set raised, and two are selected and form the first groove between reverse gear feel block (6)；Described gear selecting feel block (5) and the One groove gap coordinates, and tip is provided with the outside of gear selecting feel block (5).
- A kind of 3. gear selecting gearshift location hand feeling mechanism according to claim 2, it is characterised in that：Between two tips Form the second groove for positioning neutral；Sophisticated the 3rd groove formed between projection for positioning 1,2 grade of side, it is raised outer Side is formed for positioning the 4th groove to reverse gear, sophisticated the 5th groove formed between projection for positioning 5,6 grades of opposite side.
- A kind of 4. gear selecting gearshift location hand feeling mechanism according to claim 3, it is characterised in that：Open recess (14) The half slot of top and bottom margin (13) quantity is four, and is correspondingly arranged up and down；Four half slots are corresponding in turn to the 4th Groove, the 3rd groove, the second groove and the 5th groove.
- A kind of 5. gear selecting gearshift location hand feeling mechanism according to claim 2, it is characterised in that：When speed changer is in During neutral gear position, internal first flexible member (2) of shifting shifting block (1) is located at same center with feel pin assembly (7), Rolling steel balls (8) are arranged in the second groove, and gear selecting feel block (5) is arranged on the bottom of the first groove, and the first flexible member (2) is in Compressive state, the second flexible member (10) are in compressive state.
- A kind of 6. gear selecting gearshift location hand feeling mechanism according to claim 2, it is characterised in that：The first described groove Inwall is inclined-plane, and gear selecting feel block (5) leaves gap with the first slot structure to matching, two gear selecting feel blocks (5).
- A kind of 7. gear selecting gearshift location hand feeling mechanism according to claim 2, it is characterised in that：Described gear selecting hand The through hole felt on block (5) coordinates with bolt assembly (3) gap.
- A kind of 8. gear selecting gearshift location hand feeling mechanism according to claim 1, it is characterised in that：Described half slot (13) diameter is less than the diameter of rolling steel balls (8).
- A kind of 9. gear selecting gearshift location hand feeling mechanism according to claim 1, it is characterised in that：The first described bullet Property element (2) and the second flexible member (10) are spring.
- A kind of 10. gear selecting gearshift location hand feeling mechanism according to claim 1, it is characterised in that：Described fixation Seat (12) is connected with case of transmission, the shifting axis connection of shifting shifting block (1) and speed changer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375596.7A CN107420533B (en) | 2017-05-24 | 2017-05-24 | Gear selecting, shifting and positioning hand feeling mechanism of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375596.7A CN107420533B (en) | 2017-05-24 | 2017-05-24 | Gear selecting, shifting and positioning hand feeling mechanism of transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107420533A true CN107420533A (en) | 2017-12-01 |
| CN107420533B CN107420533B (en) | 2023-06-02 |
Family
ID=60429039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710375596.7A Active CN107420533B (en) | 2017-05-24 | 2017-05-24 | Gear selecting, shifting and positioning hand feeling mechanism of transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420533B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975592A (en) * | 2017-12-11 | 2018-05-01 | 陕西法士特齿轮有限责任公司 | A kind of speed changer double rod manipulation device assembly |
| CN108444690A (en) * | 2018-05-25 | 2018-08-24 | 陕西法士特齿轮有限责任公司 | A kind of endurance test rack for AMT shifting operating mechanisms |
| CN108533729A (en) * | 2018-03-28 | 2018-09-14 | 宝鸡法士特齿轮有限责任公司 | A kind of speed-changer operation device |
| CN108591442A (en) * | 2018-06-07 | 2018-09-28 | 北京光宇之勋科技有限公司 | A kind of gearshift |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1182735A (en) * | 1997-09-17 | 1999-03-26 | Mitsubishi Motors Corp | Shift stage detection mechanism of manual transmission |
| CN105333139A (en) * | 2015-11-02 | 2016-02-17 | 陕西法士特齿轮有限责任公司 | Self-locking hand-inductive structure for transmission |
| CN205479311U (en) * | 2016-03-28 | 2016-08-17 | 陕西法士特齿轮有限责任公司 | Six keep off derailleur gear shifting push head |
-
2017
- 2017-05-24 CN CN201710375596.7A patent/CN107420533B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1182735A (en) * | 1997-09-17 | 1999-03-26 | Mitsubishi Motors Corp | Shift stage detection mechanism of manual transmission |
| CN105333139A (en) * | 2015-11-02 | 2016-02-17 | 陕西法士特齿轮有限责任公司 | Self-locking hand-inductive structure for transmission |
| CN205479311U (en) * | 2016-03-28 | 2016-08-17 | 陕西法士特齿轮有限责任公司 | Six keep off derailleur gear shifting push head |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975592A (en) * | 2017-12-11 | 2018-05-01 | 陕西法士特齿轮有限责任公司 | A kind of speed changer double rod manipulation device assembly |
| CN107975592B (en) * | 2017-12-11 | 2023-08-04 | 陕西法士特齿轮有限责任公司 | Transmission double-lever operating device assembly |
| CN108533729A (en) * | 2018-03-28 | 2018-09-14 | 宝鸡法士特齿轮有限责任公司 | A kind of speed-changer operation device |
| CN108533729B (en) * | 2018-03-28 | 2024-04-12 | 宝鸡法士特齿轮有限责任公司 | Transmission operating device |
| CN108444690A (en) * | 2018-05-25 | 2018-08-24 | 陕西法士特齿轮有限责任公司 | A kind of endurance test rack for AMT shifting operating mechanisms |
| CN108444690B (en) * | 2018-05-25 | 2024-05-14 | 陕西法士特齿轮有限责任公司 | A endurance test rack for AMT selects operating device that shifts |
| CN108591442A (en) * | 2018-06-07 | 2018-09-28 | 北京光宇之勋科技有限公司 | A kind of gearshift |
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| Publication number | Publication date |
|---|---|
| CN107420533B (en) | 2023-06-02 |
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