CN110185792A - A kind of speed changer and power assisted gearshift device are transferred box assembly - Google Patents
A kind of speed changer and power assisted gearshift device are transferred box assembly Download PDFInfo
- Publication number
- CN110185792A CN110185792A CN201910576875.9A CN201910576875A CN110185792A CN 110185792 A CN110185792 A CN 110185792A CN 201910576875 A CN201910576875 A CN 201910576875A CN 110185792 A CN110185792 A CN 110185792A
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- China
- Prior art keywords
- shift fork
- input
- shaft
- output
- power assisted
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- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims abstract description 19
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims abstract description 19
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 11
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- 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
Abstract
The invention belongs to automotive transmission technical fields, and in particular to a kind of speed changer and power assisted gearshift device are transferred box assembly, including upper housing, lower case, input shift fork and output shift fork, upper housing and lower case are connected to form switching box body；Input shift fork and output shift fork are rotated coaxially and are mounted in cabinet；Input shift fork includes input shaft, and wall box is stretched out in the outer end of input shaft, and the inner end of input shaft is equipped with the input shift fork head extended downwardly；Output shift fork includes output shaft, and wall box is stretched out in the outer end of output shaft, and the inner end of output shaft is equipped with the output shift fork head extended downwardly.Structure of the invention is compact, installation is simple, applicability is good, realizes power assisted gearshift device and connect with gearbox transmission, does not need to replace gearbox or upper cover, is particularly suitable for small lot manufacturing improvement and the application of rear dress market, production variation is small, at low cost；With emergency gear shifting structure, when power assisted gearshift thrashing, it is ensured that shift control system and speed changer are mechanically connected.
Description
Technical field
The invention belongs to automotive transmission technical fields, and in particular to a kind of speed changer and power assisted gearshift device transfer box are total
At, it is a kind of auxiliary device of shifting gear power-aid, the transmission connection of realization power assisted gearshift device and speed changer.
Background technique
Heavy-duty car mechanical transmission gear shifting force is generally 10 kilograms or so, however, automobile is in whole driving process,
In order to adapt to various road conditions and operating condition, the gear shift of speed changer will be very frequently, in this way, the labour for necessarily increasing driver is strong
Degree, keeps driver in a state of fatigue always, this is absolutely unsafe for driving.
Matching power assisted gearshift device is begun through on medium-heavy automobile at present and solves the problems, such as shift portability, common shift helps
Power device is mounted on gearbox, is actuated by designing input on transmission input shaft, is exported reception device, realizes that shift helps
Power device is integrated and connected with speed changer, and it is dedicated to generally require exploitation if necessary to realize the installation of power assisted gearshift device for existing speed changer
Speed changer or superstructure, development cost are larger.The vehicle for being fitted without gear shift assistor simultaneously is thought to be also required to when installation
Replace speed changer or dedicated transmission upper cover, higher cost.
Summary of the invention
Present invention seek to address that the above problem, provides a kind of shifting gear power-aid switching box assembly, it can pacify
Outside speed changer, does not change derailleur body structure and realize that power assisted gearshift device Fast Installation, use cost are low.
Technical solution according to the invention, the shifting gear power-aid switching box assembly, including upper housing, lower casing
Body, input shift fork and output shift fork, the upper housing and lower case are connected to form switching box body；The input shift fork and output
Shift fork, which rotates coaxially, to be mounted in cabinet；The input shift fork includes input shaft, and wall box, input are stretched out in the outer end of input shaft
The inner end of axis is equipped with the input shift fork head extended downwardly, and lower case is stretched out in the lower end of input shift fork head；The output shift fork includes
Wall box is stretched out in output shaft, the outer end of output shaft, and the inner end of output shaft is equipped with the output shift fork head extended downwardly, exports shift fork
Lower case is stretched out in the lower end of head.
Further, the inner end end face of the input shaft and output shaft mutually limits.
Further, the outer end of the input shaft is equipped with external splines, and the outer end of the output shaft is equipped with internal spline.
Further, the inner end end face of the input shaft is equipped with counterbore, and the inner end of input shaft is provided with to the hole for wearing counterbore；Institute
The inner end end for stating output shaft is equipped with connecting shaft, and connecting shaft protrudes into counterbore, and corresponding aperture is provided with radial hole in connecting shaft；Emergency pin
In shaft insertion hole and radial hole, emergency pin shaft and hole are interference fitted, and the diameter of radial hole is greater than emergency pin shaft.
Further, it is provided with corresponding semicircle mounting hole in the upper housing and the opposite two side walls of lower case, it is described
Input shift fork and output shift fork are separately mounted in the correspondence semicircle mounting hole in two side walls using bearing.
Further, connecting hole is provided on the bottom surface of the lower case and side wall.
Further, through-hole is provided in the middle part of the bottom surface of the lower case, input shift fork head and output shift fork head pass through through-hole
Stretch out lower case.
Further, fixation is bolted in the upper housing and lower case.
The beneficial effects of the present invention are: it is compact-sized, installation is simple, applicability is good, it can easily realize power assisted gearshift
Device is connect with gearbox transmission, does not need replacement gearbox or upper cover, be particularly suitable for small lot manufacturing improvement and after fill market
Using, production variation is small, and it is at low cost, there is wide application space in rear dress market；With emergency gear shifting structure, when shift helps
When Force system fails, it is ensured that shift control system and speed changer are mechanically connected.
Detailed description of the invention
Fig. 1 is schematic diagram of internal structure of the invention.
Fig. 2 is external structure schematic diagram of the invention.
Fig. 3 is structure scheme of installation of the invention.
Fig. 4 is present invention emergency pin shaft mounting structure schematic diagram.
Description of symbols: 1- upper housing, 2- lower case, 3- bearing, 4- input shift fork, 4.1- input shaft, 4.2 inputs are dialled
Plug, 4.3- counterbore, 4.4 holes, 5- output shift fork, 5.1 output shafts, 5.2- output shift fork head, 5.3 connecting shafts, 5.4- radial hole,
6- connecting hole, 7- emergency pin shaft, 8- bolt.
Specific embodiment
The invention will be further described with attached drawing combined with specific embodiments below.
It is as shown in Figs. 1-3: speed changer and power assisted gearshift device switching box assembly, including upper housing 1, lower case 2, input shift fork
4 and output shift fork 5.Upper housing 1 and lower case 2 are connected to form switching box body, form installation space in cabinet, input shift fork 4
It rotates coaxially and is mounted in cabinet with output shift fork 5.Inputting shift fork 4 includes input shaft 4.1, and case is stretched out in the outer end of input shaft 4.1
Body sidewall, for connecting external speed control stick, the inner end of input shaft 4.1 is equipped with the input shift fork head 4.2 extended downwardly, input
Lower case 2 is stretched out in the lower end of shift fork head 4.2, for connecting power assisted gearshift device input terminal.Exporting shift fork 5 includes output shaft 5.1, defeated
Wall box is stretched out in the outer end of shaft 5.1, and for connecting transmission input shaft, the inner end of output shaft 5.1, which is equipped with, to be extended downwardly
Shift fork head 5.2 is exported, lower case 2 is stretched out in the lower end of output shift fork head 5.2, for connecting power assisted gearshift device output end.
When driver's cabin person, which operates shift, to be shifted gears, hand-power is inputted shift fork 4, and to pass to power assisted gearshift device defeated
Enter end, power assisted gearshift device, which works and passes through, is transmitted to output shift fork 5 after power assisted gearshift device output end amplifies hand-power, output is dialled
Amplified hand-power is reached gearbox shifting axis by fork 5, realizes that power assisted gearshift device is connect with gearbox transmission.
Specifically, input shaft 4.1 and the inner end end face of output shaft 5.1 mutually limit, limit can be by connector or defeated
Realization in the counterbore of another party is protruded into the side inner end for entering axis 4.1 and output shaft 5.1, for guaranteeing input shaft 4.1 and output shaft
5.1 is coaxial always, to guarantee the stability of structure.
The outer end of input shaft 4.1 is equipped with external splines, is convenient for mating connection external speed control stick, the outer end of output shaft 5.1
Equipped with internal spline, convenient for being cooperatively connected with transmission input shaft external splines, structure installation is more easy.
The lower end surface of upper housing 1 is matched with the upper surface of lower case 2, and is connected and fixed by bolt 8.Upper housing 1 with
Corresponding semicircle mounting hole is provided in the opposite two side walls of lower case 2, the input shift fork 4 and output shift fork 5 utilize bearing 3
It is separately mounted in the correspondence semicircle mounting hole in two side walls, realizes input shift fork 4 and exports the rotational installation of shift fork 5.
It is provided with connecting hole 6 on the bottom surface of lower case 2 and the side wall of installation output shift fork 5, wherein the connecting hole 6 of bottom surface is used
In the connecting hole 6 on connection power assisted gearshift device, side wall for connecting gearbox, that realizes structure stablizes installation.The bottom of lower case 2
Middle face is provided with through-hole, and input shift fork head 4.2 and output shift fork head 5.2 pass through through-hole and stretch out lower case 2.
As shown in Fig. 1,4: when power assisted gearshift thrashing, to guarantee that shift control system and speed changer are mechanically connected,
The application also has emergency gear shifting structure, is realized by output shift fork 4, output shift fork 5 and emergency pin shaft 7.Specifically, input shaft
4.1 inner end end face is equipped with counterbore 4.3, and the inner end of input shaft 4.1 is provided with to the hole 4.4 for wearing counterbore 4.3.Output shaft 5.1 it is interior
End is held to be equipped with connecting shaft 5.3, connecting shaft 5.3 protrudes into counterbore 4.3, and corresponding aperture 4.4 is provided with radial hole 5.4 in connecting shaft 5.3.
Pin shaft 7 of meeting an urgent need is inserted into hole 4.4 and radial hole 5.4, and emergency pin shaft 7 and hole 4.4 are interference fitted, and the diameter of radial hole 5.4 is greater than
Hole 4.4, also greater than emergency pin shaft 7.Emergency pin shaft 7 can use straight pin.
Inputting shift fork 4 drives emergency pin shaft 7 to rotate together along input shaft 4.1, when slewing area is more than the diameter difference of design
When (radial hole 5.4 and emergency pin shaft 7), emergency pin shaft 7 drives output shift fork 5 with input shift fork 4 together along 4.1 turns of input shaft
Dynamic, the emergency realizing input shift fork 4 and exporting between shift fork 5 locks.
Claims (8)
- The box assembly 1. a kind of speed changer and power assisted gearshift device are transferred, which is characterized in that including upper housing (1), lower case (2), defeated Enter shift fork (4) and output shift fork (5), the upper housing (1) and lower case (2) are connected to form switching box body；The input is dialled Fork (4) and output shift fork (5) are rotated coaxially and are mounted in cabinet；The input shift fork (4) includes input shaft (4.1), input shaft (4.1) wall box is stretched out in outer end, and the inner end of input shaft (4.1) is equipped with the input shift fork head (4.2) extended downwardly, and input is dialled Lower case (2) are stretched out in the lower end of plug (4.2)；The output shift fork (5) includes output shaft (5.1), the outer end of output shaft (5.1) Wall box is stretched out, the inner end of output shaft (5.1) is equipped with the output shift fork head (5.2) extended downwardly, output shift fork head (5.2) Lower case (2) are stretched out in lower end.
- The box assembly 2. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the input shaft (4.1) the inner end end face with output shaft (5.1) mutually limits.
- The box assembly 3. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the input shaft (4.1) outer end is equipped with external splines, and the outer end of the output shaft (5.1) is equipped with internal spline.
- The box assembly 4. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the input shaft (4.1) inner end end face is equipped with counterbore (4.3), and the inner end of input shaft (4.1) is provided with to the hole (4.4) for wearing counterbore (4.3)；It is described The inner end end of output shaft (5.1) is equipped with connecting shaft (5.3), and connecting shaft (5.3) protrudes into counterbore (4.3), in connecting shaft (5.3) Corresponding aperture (4.4) is provided with radial hole (5.4)；It meets an urgent need in pin shaft (7) insertion hole (4.4) and radial hole (5.4), meets an urgent need pin shaft (7) It is interference fitted with hole (4.4), the diameter of radial hole (5.4) is greater than emergency pin shaft (7).
- The box assembly 5. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the upper housing (1) Be provided with corresponding semicircle mounting hole in the opposite two side walls of lower case (2), the input shift fork (4) and output shift fork (5) It is separately mounted in the correspondence semicircle mounting hole in two side walls using bearing (3).
- The box assembly 6. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the lower case (2) Bottom surface and side wall on be provided with connecting hole (6).
- The box assembly 7. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the lower case (2) Bottom surface in the middle part of be provided with through-hole, input shift fork head (4.2) and output shift fork head (5.2) pass through through-hole stretching lower case (2).
- The box assembly 8. speed changer as described in claim 1 and power assisted gearshift device are transferred, which is characterized in that the upper housing (1) It is connected and fixed with lower case (2) by bolt (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576875.9A CN110185792A (en) | 2019-06-28 | 2019-06-28 | A kind of speed changer and power assisted gearshift device are transferred box assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910576875.9A CN110185792A (en) | 2019-06-28 | 2019-06-28 | A kind of speed changer and power assisted gearshift device are transferred box assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110185792A true CN110185792A (en) | 2019-08-30 |
Family
ID=67724205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910576875.9A Pending CN110185792A (en) | 2019-06-28 | 2019-06-28 | A kind of speed changer and power assisted gearshift device are transferred box assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110185792A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022637A (en) * | 2020-01-21 | 2020-04-17 | 中国重汽集团济南动力有限公司 | Gear selecting and shifting control mechanism of matching booster |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850760A (en) * | 1995-12-29 | 1998-12-22 | Kia Heavy Industries Corporation | Booster for transmission gear boxes |
| CN103939594A (en) * | 2014-03-14 | 2014-07-23 | 陕西法士特齿轮有限责任公司 | Double-bar control mechanism with gear shifting booster transmission |
| CN105269415A (en) * | 2014-07-18 | 2016-01-27 | 赵敏 | Mechanical machining process for screw tap |
| CN106461076A (en) * | 2014-05-16 | 2017-02-22 | 康斯博格汽车股份公司 | A gear shift system |
| CN210218656U (en) * | 2019-06-28 | 2020-03-31 | 一汽解放汽车有限公司 | Transmission and booster transfer box assembly that shifts |
-
2019
- 2019-06-28 CN CN201910576875.9A patent/CN110185792A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5850760A (en) * | 1995-12-29 | 1998-12-22 | Kia Heavy Industries Corporation | Booster for transmission gear boxes |
| CN103939594A (en) * | 2014-03-14 | 2014-07-23 | 陕西法士特齿轮有限责任公司 | Double-bar control mechanism with gear shifting booster transmission |
| CN106461076A (en) * | 2014-05-16 | 2017-02-22 | 康斯博格汽车股份公司 | A gear shift system |
| CN105269415A (en) * | 2014-07-18 | 2016-01-27 | 赵敏 | Mechanical machining process for screw tap |
| CN210218656U (en) * | 2019-06-28 | 2020-03-31 | 一汽解放汽车有限公司 | Transmission and booster transfer box assembly that shifts |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022637A (en) * | 2020-01-21 | 2020-04-17 | 中国重汽集团济南动力有限公司 | Gear selecting and shifting control mechanism of matching booster |
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