CN109282019A - Triple axle two-shift automatic variable speed device - Google Patents
Triple axle two-shift automatic variable speed device Download PDFInfo
- Publication number
- CN109282019A CN109282019A CN201811484985.4A CN201811484985A CN109282019A CN 109282019 A CN109282019 A CN 109282019A CN 201811484985 A CN201811484985 A CN 201811484985A CN 109282019 A CN109282019 A CN 109282019A
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- CN
- China
- Prior art keywords
- shell
- gear
- shift
- input shaft
- output shaft
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- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- 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)
- Structure Of Transmissions (AREA)
Abstract
The present invention provides triple axle two-shift automatic variable speed device, shift mechanism is easy, turns round matter than reliability big and with higher, using electric machine speed regulation gear shift, it impacts small, low noise, gear shift is smooth, improves gear shift comfort, dynamic property and the economy of matched vehicle.It includes gearbox body, the gearbox body includes first shell, second shell, the first shell, installation cavity is formed with after second shell assembling, the input shaft of evagination on the front bulkhead of the first shell, the male end of the input shaft is circumscribed with driving motor, the exterior ring cap for being located at the installation cavity of the input shaft is equipped with the first master gear, the back-end central of the input shaft is provided with indent axle center hole, the front end of output shaft is arranged in the indent axle center hole by coaxial bearing, the rear end of the output shaft is arranged through the aft bulkhead of the second shell, the part for being located at the installation cavity of the output shaft is equipped with the second master gear by bearing holder (housing, cover).
Description
Technical field
The present invention relates to the technical fields of transmission speed variator, specially triple axle two-shift automatic variable speed device.
Background technique
Automotive transmission is by the transforming gear of gear drive and gear, the power of engine with suitable torque
Transmission shaft is passed to revolving speed, to adapt to requirement of the automobile under different road conditions to traction and travel speed.Existing light truck quotient
It is mainly five grades of triple axle main structures with the speed changer that vehicle uses, complicated shift mechanism is single to bore synchronizer, cast iron cap
Part.It is difficult to improve gear shift comfort, dynamic property and the economic index of automobile all, it is made to be difficult to meet light truck commercial vehicle power
Match the requirement to transmission system gear shift device.
Summary of the invention
In view of the above-mentioned problems, the present invention provides triple axle two-shift automatic variable speed device, shift mechanism is easy, turns round matter than big
With reliability with higher, using electric machine speed regulation gear shift, impact is small, and low noise, gear shift is smooth, improves matched vehicle
Gear shift comfort, dynamic property and economy.
Triple axle two-shift automatic variable speed device, it is characterised in that: it includes gearbox body, and the gearbox body includes first shell
Body, second shell are formed with installation cavity after the first shell, second shell assembling, on the front bulkhead of the first shell
The input shaft of evagination, the male end of the input shaft are circumscribed with driving motor, and the input shaft is located at the installation cavity
Exterior ring cap is equipped with the first master gear, and the back-end central of the input shaft is provided with indent axle center hole, and the front end of output shaft passes through axis
Hold coaxially arranged in the indent axle center hole, the rear end of the output shaft is arranged through the aft bulkhead of the second shell, institute
The part for being located at the installation cavity for stating output shaft is equipped with the second master gear by bearing holder (housing, cover), and the output shaft corresponds to institute
The front end portion for stating the second master gear is set with synchronizer, and the synchronizer is along axis between the first master gear, the second master gear
To movement, the both ends of the surface of first synchronizer are respectively facing the respective engaging tooth of first master gear, the second master gear
Circle arrangement, the installation cavity there also is provided transmission shaft, and the transmission shaft is separately installed with constant mesh gear, second from front to back
Intermediate gear, the first master gear of the constant mesh gear engagement connection corresponding position, the second intermediate gear engagement connection
Second master gear of corresponding position, the outer ring surface of the synchronizer are provided with interior concave ring groove, there also is provided in the installation cavity body
Shift fork axle, the both ends of the shift fork axle pass through shift fork neck bush respectively and are installed in corresponding shift fork axle pilot hole, the shift fork
It is installed with shift fork on axis, is stretched in the driving end of the shift fork in the interior concave ring groove, the driving end of the shift fork, which drives, to be synchronized
For device along the axially driving shift of output shaft, at least one section of the length direction of the shift fork axle is provided with rack structure, described
The output gear of rack structure engagement connection gearshift.
It is further characterized by: first master gear, the second intermediate gear are reduced to corresponding gear ring structure, it is ensured that
Infrastructure cost is low；
The part for externally protruding out in the second shell of the output shaft is fixed with output flange, the axial direction of the output flange
It is fastenedly connected by locking nut；
The rear end of the output shaft is equipped with mileometer induction gear ring through the rear end cap of the corresponding location hole of second shell；
The position of the location hole corresponding to the second shell of the output shaft is set with output bearing, the output shaft
Position rear sleeve corresponding to the mileometer induction gear ring is equipped with Rear oil seal；
The front end of the input shaft is set with input shaft bearing through the position of the corresponding location hole of first shell, and described first
The position of the front end corresponding to the input shaft bearing of input shaft is set with Front oil seal；
The both ends of the transmission shaft pass through first bearing respectively, second bearing is installed on first shell, pair of second shell
It answers in positioning ring groove；
The first shell, the axial end face of second shell are affixed by flange face bolt, and the second shell correspondence is set
Gearshift input avoid holes are equipped with, the gearshift engages the rack structure of connection shift fork axle by output gear.
After applying the present invention, input shaft, output shaft are coaxially arranged, drive synchronizer along defeated by shift fork axis
The axial activity of shaft is shifted gears comprising and there are two forward gears, when motor rotates forward, driving shift, when needs fall
When gear, motor reversal hangs respective notch, and it is suitable for 4.5 tons or less logistic cars, shift mechanism is easy, turns round matter than big
With reliability with higher, using electric machine speed regulation gear shift, impact is small, and low noise, gear shift is smooth, improves matched vehicle
Gear shift comfort, dynamic property and economy.
Detailed description of the invention
Fig. 1 is specific embodiments of the present invention main view schematic cross-sectional view；
Title corresponding to serial number is as follows in figure:
First shell 1, second shell 2, installation cavity 3, input shaft 4, the first master gear 5, engagement gear ring 51, indent axle center
Hole 6, output shaft 7, the second master gear 8, engagement gear ring 81, synchronizer 9, transmission shaft 10, constant mesh gear 11, the second intermediate gear
12, interior concave ring groove 13, shift fork axle 14, shift fork neck bush 15, shift fork axle pilot hole 16, shift fork 17, driving end 171, rack structure
18, gearshift 19, output flange 20, locking nut 21, mileometer induction gear ring 22, output bearing 23, Rear oil seal 24, input
Bearing 25, Front oil seal 26, first bearing 27, second bearing 28, flange face bolt 29, gearshift input avoid holes 30.
Specific embodiment
Triple axle two-shift automatic variable speed device, is shown in Fig. 1: it includes gearbox body, and gearbox body includes first shell 1, second
Shell 2, first shell 1, second shell 2 are formed with installation cavity 3 after assembling, the input of evagination on the front bulkhead of first shell 1
Axis 4, the male end of input shaft 4 are circumscribed with driving motor, and the exterior ring cap for being located at installation cavity 3 of input shaft 4 is equipped with the first main tooth
Wheel 5, the back-end central of input shaft 4 is provided with indent axle center hole 6, and the front end of output shaft 7 is arranged in indent axis by coaxial bearing
In heart hole 6, the rear end of output shaft 7 is arranged through the aft bulkhead of second shell 2, and the part for being located at installation cavity 3 of output shaft 7 is logical
Bearing holder (housing, cover) is crossed equipped with the second master gear 8, the front end portion corresponding to the second master gear 8 of output shaft 7 is set with synchronizer 9, together
Step device 9 is axially moved along between the first master gear 5, the second master gear 8, and the both ends of the surface of synchronizer 9 are respectively facing the first main tooth
The respective engagement gear ring 51,81 for taking turns the 5, second master gear 8 arranges that installation cavity 3 there also is provided transmission shaft 10, and transmission shaft 10 is certainly
It is separately installed with constant mesh gear 11, the second intermediate gear 12 after forward direction, the of the engagement connection corresponding position of constant mesh gear 11
One master gear 5, the second master gear 8 of the second intermediate gear 12 engagement connection corresponding position, the outer ring surface of synchronizer 9 is provided with interior
Concave ring groove 13, installing in cavity 3 there also is provided shift fork axle 14, and the both ends of shift fork axle 14 pass through shift fork neck bush 15 respectively and are installed on
In corresponding shift fork axle pilot hole 16, it is installed with shift fork 17 in shift fork axle 14, stretches in interior concave ring groove in the driving end 171 of shift fork 17
In 13, the driving end 171 of shift fork 17 drives axially driving shift of the synchronizer 9 along output shaft 7, the length direction of shift fork axle 14
At least one section be provided with rack structure 18, the output gear of the engagement connection gearshift 19 of rack structure 18 (be not drawn into figure,
Belong to existing mature structure).
First master gear 5, the second intermediate gear 12 are reduced to corresponding gear ring structure, it is ensured that infrastructure cost is low；
The part for externally protruding out in second shell 2 of output shaft 7 is fixed with output flange 20, output flange 20 axially through lock
Tight nut 21 is fastenedly connected；
The rear end of output shaft 7 is equipped with mileometer induction gear ring 22 through the rear end cap of the corresponding location hole of second shell 2；
The position of the location hole corresponding to second shell 2 of output shaft 7 is set with output bearing 23, and output shaft 23 corresponds to
The position rear sleeve of mileometer induction gear ring 22 is equipped with Rear oil seal 24；
The front end of input shaft 4 is set with input shaft bearing 25, input shaft 4 through the position of the corresponding location hole of first shell 1
The position of the front end corresponding to input shaft bearing 25 be set with Front oil seal 26；
The both ends of transmission shaft 10 pass through first bearing 27 respectively, second bearing 28 is installed on first shell 1, second shell 2
Correspondence positioning ring groove in；
First shell 1, the axial end face of second shell 2 are affixed by flange face bolt 29, and second shell 2 is correspondingly arranged on
Gearshift inputs avoid holes 30, and gearshift 19 inputs avoid holes 30 by gearshift and dialled by output gear engagement connection
The rack structure 18 of fork shaft 14.
Its working principles are as follows: input shaft, output shaft are coaxially arranged, by shift fork axis drive synchronizer along
The axial activity of output shaft is shifted gears comprising there are two forward gears, and when motor rotates forward, needs are worked as in driving shift
When reversing gear, motor reversal hangs respective notch, and motor can be with stepless time adjustment, and it is suitable for 4.5 tons or less logistic cars, change
Gear mechanism is easy, turns round matter impacts small, low noise using electric machine speed regulation gear shift than reliability big and with higher, and gear shift is flat
It is suitable, improve gear shift comfort, dynamic property and the economy of matched vehicle.
Specific embodiments of the present invention are described in detail above, but content is only the preferable implementation of the invention
Example, should not be considered as limiting the invention the practical range of creation.It is all to become according to equalization made by the invention application range
Change and improve etc., it shall still fall within the scope of this patent.
Claims (8)
1. triple axle two-shift automatic variable speed device, it is characterised in that: it includes gearbox body, and the gearbox body includes first shell
Body, second shell are formed with installation cavity after the first shell, second shell assembling, on the front bulkhead of the first shell
The input shaft of evagination, the male end of the input shaft are circumscribed with driving motor, and the input shaft is located at the installation cavity
Exterior ring cap is equipped with the first master gear, and the back-end central of the input shaft is provided with indent axle center hole, and the front end of output shaft passes through axis
Hold coaxially arranged in the indent axle center hole, the rear end of the output shaft is arranged through the aft bulkhead of the second shell, institute
The part for being located at the installation cavity for stating output shaft is equipped with the second master gear by bearing holder (housing, cover), and the output shaft corresponds to institute
The front end portion for stating the second master gear is set with synchronizer, and the synchronizer is along axis between the first master gear, the second master gear
To movement, the both ends of the surface of first synchronizer are respectively facing the respective engaging tooth of first master gear, the second master gear
Circle arrangement, the installation cavity there also is provided transmission shaft, and the transmission shaft is separately installed with constant mesh gear, second from front to back
Intermediate gear, the first master gear of the constant mesh gear engagement connection corresponding position, the second intermediate gear engagement connection
Second master gear of corresponding position, the outer ring surface of the synchronizer are provided with interior concave ring groove, there also is provided in the installation cavity body
Shift fork axle, the both ends of the shift fork axle pass through shift fork neck bush respectively and are installed in corresponding shift fork axle pilot hole, the shift fork
It is installed with shift fork on axis, is stretched in the driving end of the shift fork in the interior concave ring groove, the driving end of the shift fork, which drives, to be synchronized
For device along the axially driving shift of output shaft, at least one section of the length direction of the shift fork axle is provided with rack structure, described
The output gear of rack structure engagement connection gearshift.
2. triple axle two-shift automatic variable speed device as described in claim 1, it is characterised in that: first master gear, in second
Between gear be specially corresponding gear ring structure.
3. triple axle two-shift automatic variable speed device as described in claim 1, it is characterised in that: externally protruding out in for the output shaft is described
The part of second shell is fixed with output flange, and the output flange is fastenedly connected axially through locking nut.
4. triple axle two-shift automatic variable speed device as described in claim 1, it is characterised in that: the rear end of the output shaft is through the
The rear end cap of the corresponding location hole of two shells is equipped with mileometer induction gear ring.
5. triple axle two-shift automatic variable speed device as claimed in claim 4, it is characterised in that: corresponding to for the output shaft is described
The position of the location hole of second shell is set with output bearing, and the output shaft corresponds to the position of the mileometer induction gear ring
Rear sleeve is equipped with Rear oil seal.
6. triple axle two-shift automatic variable speed device as described in claim 1, it is characterised in that: the front end of the input shaft is through the
The position of the corresponding location hole of one shell is set with input shaft bearing, first input shaft correspond to the input shaft bearing before
The position at end is set with Front oil seal.
7. triple axle two-shift automatic variable speed device as described in claim 1, it is characterised in that: the both ends of the transmission shaft lead to respectively
Cross first bearing, second bearing is installed on first shell, in the correspondence positioning ring groove of second shell.
8. triple axle two-shift automatic variable speed device as described in claim 1, it is characterised in that: the first shell, second shell
Axial end face by flange face bolt it is affixed, the second shell be correspondingly arranged on gearshift input avoid holes, it is described to change
Retaining device engages the rack structure of connection shift fork axle by output gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484985.4A CN109282019A (en) | 2018-12-06 | 2018-12-06 | Triple axle two-shift automatic variable speed device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811484985.4A CN109282019A (en) | 2018-12-06 | 2018-12-06 | Triple axle two-shift automatic variable speed device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109282019A true CN109282019A (en) | 2019-01-29 |
Family
ID=65173477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811484985.4A Pending CN109282019A (en) | 2018-12-06 | 2018-12-06 | Triple axle two-shift automatic variable speed device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109282019A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB698739A (en) * | 1949-09-08 | 1953-10-21 | Daimler Benz Ag | Improvements in change-speed gears and control means therefor |
| CN201679916U (en) * | 2010-05-07 | 2010-12-22 | 中国第一汽车集团公司 | Two-gear gearbox assembly for electric bus |
| CN103899716A (en) * | 2014-03-27 | 2014-07-02 | 上海中科深江电动车辆有限公司 | Double-intermediate-shaft bevel-toothed two-speed automatic transmission for new energy vehicles |
| CN104389989A (en) * | 2014-12-01 | 2015-03-04 | 重庆先友科技开发有限公司 | Central multifunctional automotive transmission |
| CN106195143A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of two grades of pure electric vehicles list duplex countershaft transmission |
| CN209818694U (en) * | 2018-12-06 | 2019-12-20 | 苏州绿控传动科技股份有限公司 | Three-shaft two-gear automatic transmission |
-
2018
- 2018-12-06 CN CN201811484985.4A patent/CN109282019A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB698739A (en) * | 1949-09-08 | 1953-10-21 | Daimler Benz Ag | Improvements in change-speed gears and control means therefor |
| CN201679916U (en) * | 2010-05-07 | 2010-12-22 | 中国第一汽车集团公司 | Two-gear gearbox assembly for electric bus |
| CN103899716A (en) * | 2014-03-27 | 2014-07-02 | 上海中科深江电动车辆有限公司 | Double-intermediate-shaft bevel-toothed two-speed automatic transmission for new energy vehicles |
| CN104389989A (en) * | 2014-12-01 | 2015-03-04 | 重庆先友科技开发有限公司 | Central multifunctional automotive transmission |
| CN106195143A (en) * | 2016-08-31 | 2016-12-07 | 陕西法士特齿轮有限责任公司 | A kind of two grades of pure electric vehicles list duplex countershaft transmission |
| CN209818694U (en) * | 2018-12-06 | 2019-12-20 | 苏州绿控传动科技股份有限公司 | Three-shaft two-gear automatic transmission |
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