CN105387165A - Electrocar three-level speed changing main reducer assembly with double shifting forks - Google Patents
Electrocar three-level speed changing main reducer assembly with double shifting forks Download PDFInfo
- Publication number
- CN105387165A CN105387165A CN201510909709.8A CN201510909709A CN105387165A CN 105387165 A CN105387165 A CN 105387165A CN 201510909709 A CN201510909709 A CN 201510909709A CN 105387165 A CN105387165 A CN 105387165A
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- declutch shift
- shift shaft
- middle bottom
- 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.)
- Pending
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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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
Abstract
The invention provides an electrocar three-level speed changing main reducer assembly with double shifting forks. The electrocar three-level speed changing main reducer assembly comprises an input shaft, a gear shaft and a differential mechanism; the gear shaft is provided with a driven gear, an medium-speed gear driving gear, a low-speed gear driving gear and a high-speed gear driving gear, and a medium-low-speed gear clutch and a high-speed gear clutch are in key connection with the gear shaft; the differential mechanism is provided with a medium-speed gear driven gear, a low-speed gear driven gear and a high-speed gear driven gear, and a half shaft is engaged with the differential mechanism; the medium-low-speed gear clutch and the high-speed gear clutch are provided with a medium-low-speed gear shifting fork and a high-speed gear shifting fork respectively, a medium-low-speed gear shifting fork shaft and a high-speed gear shifting fork shaft are positioned on the medium-low-speed gear shifting fork and the high-speed gear shifting fork respectively, and the side edges of both the medium-low-speed gear shifting fork shaft and the high-speed gear shifting fork shaft are provided with shifting fork shaft control mechanisms. According to the electrocar three-level speed changing main reducer assembly with the double shifting forks, three-level speed changing of an electrocar main reducer is achieved, the situation that an electrocar can run with heavy loads and run quickly with light loads is achieved, and gears are effectively prevented from being mismatched.
Description
Technical field
The invention belongs to electric vehicle transmission field, particularly relate to a kind of electric motor car three-step gear shift master with two shift fork and subtract assembly.
Background technique
Along with the popularization of new energy vehicle, the lifting of battery technology, the cost of controller declines, and current electric motor car industry is a dark horse, extensive market, but existing electric motor car does not have speed changing function due to main reducing gear, speed variation is narrower, causes the application area of electric motor car narrower, can't run during heavy duty, run unhappy during underloading, need improvement badly.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of electric motor car three-step gear shift master with two shift fork to subtract assembly, can't run for solving when the speed variation of electric motor car is narrower, heavily loaded in prior art, underloading time run the problem such as not fast.
For achieving the above object and other relevant objects, the invention provides a kind of electric motor car three-step gear shift master with two shift fork and subtract assembly, include input shaft, gear shaft, differential mechanism, the center line of input shaft and the center line of gear shaft parallel to each other, gear shaft is installed with driven gear, gear shaft is also set with mid ranger driving gear, bottom gear driving gear, top gear driving gear, on gear shaft key be connected with and can engage with mid ranger driving gear or bottom gear driving gear in bottom gear clutch, gear shaft is gone back key and be connected with the top gear clutch that can engage with top gear driving gear, differential mechanism is installed with mid ranger driven gear, bottom gear driven gear, top gear driven gear, mid ranger driven gear, bottom gear driven gear, top gear driven gear respectively with mid ranger driving gear, bottom gear driving gear, top gear driving gear engages, differential mechanism is engaged with semiaxis, middle bottom gear clutch, top gear clutch are respectively equipped with middle bottom gear shift fork, top gear shift fork, middle bottom gear shift fork, top gear shift fork are positioned with middle bottom gear declutch shift shaft, top gear declutch shift shaft respectively, middle bottom gear declutch shift shaft is provided with three the first grooves, top gear declutch shift shaft is provided with two the second grooves, and the side of middle bottom gear declutch shift shaft, top gear declutch shift shaft is equipped with declutch shift shaft control mechanism.
Further, declutch shift shaft control mechanism includes hold-down bolt, spring, steel ball, hold-down bolt by steel ball by spring compression on the first groove, the second groove.
Further, also steel ball is provided with between middle bottom gear declutch shift shaft, top gear declutch shift shaft, middle bottom gear declutch shift shaft, top gear declutch shift shaft are provided with the 3rd groove matched with steel ball, and steel ball can engage with the 3rd groove on middle bottom gear declutch shift shaft or top gear declutch shift shaft.
Further, the steel ball between middle bottom gear declutch shift shaft, top gear declutch shift shaft and hold-down bolt are in the same center line.
As mentioned above, electric motor car three-step gear shift master with two shift fork of the present invention subtracts assembly, there is following beneficial effect: the present invention realizes the three-step gear shift of electric motor car main reducing gear, obviously increase speed and the change in torque scope of vehicle, realize that heavy duty is run dynamic, underloading runs a good foot.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of the embodiment of the present invention.
Fig. 2 is the structural representation of declutch shift shaft in the embodiment of the present invention.
Piece mark explanation
1-input shaft
2-driven gear
3-mid ranger driving gear
4-middle bottom gear shift fork
5-middle bottom gear clutch
6-bottom gear driving gear
7-top gear driving gear
8-top gear clutch
9-top gear shift fork
10-gear shaft
11-mid ranger driven gear
12-bottom gear driven gear
13-top gear driven gear
14-differential mechanism
15-semiaxis
16-hold-down bolt
17-spring
18-steel ball
19-the first groove
20-the second groove
21-the three groove
22-middle bottom gear declutch shift shaft
23-top gear declutch shift shaft
Embodiment
By particular specific embodiment, embodiments of the present invention are described below, person skilled in the art scholar the content disclosed by this specification can understand other advantages of the present invention and effect easily.
Refer to Fig. 1 to Fig. 2.Notice, structure, ratio, size etc. that this specification institute accompanying drawings illustrates, content all only in order to coordinate specification to disclose, understand for person skilled in the art scholar and read, and be not used to limit the enforceable qualifications of the present invention, therefore the not technical essential meaning of tool, the adjustment of the modification of any structure, the change of proportionate relationship or size, do not affecting under effect that the present invention can produce and the object that can reach, still all should drop on disclosed technology contents and obtain in the scope that can contain.Simultaneously, quote in this specification as " on ", D score, "left", "right", " centre " and " one " etc. term, also only for ease of understanding of describing, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or adjustment, under changing technology contents without essence, when being also considered as the enforceable category of the present invention.
In order to can the present invention be described in detail, next assembly is subtracted to the electric motor car three-step gear shift master with two shift fork of the present invention and illustrates:
As depicted in figs. 1 and 2, a kind of electric motor car three-step gear shift master with two shift fork subtracts assembly, include input shaft 1, gear shaft 10, differential mechanism 14, the center line of input shaft 1 and the center line of gear shaft 10 parallel to each other, gear shaft 10 is installed with driven gear 2, gear shaft 10 is also set with mid ranger driving gear 3, bottom gear driving gear 6, top gear driving gear 7, on gear shaft 10 key be connected with and can engage with mid ranger driving gear 3 or bottom gear driving gear 6 in bottom gear clutch 5, gear shaft 10 is gone back key and be connected with the top gear clutch 8 that can engage with top gear driving gear 7, differential mechanism 14 is installed with mid ranger driven gear 11, bottom gear driven gear 12, top gear driven gear 13, mid ranger driven gear 11, bottom gear driven gear 12, top gear driven gear 13 respectively with mid ranger driving gear 3, bottom gear driving gear 6, top gear driving gear 7 engages, differential mechanism 14 is engaged with semiaxis 15, middle bottom gear clutch 5, top gear clutch 8 are respectively equipped with middle bottom gear shift fork 4, top gear shift fork 9, middle bottom gear shift fork 4, top gear shift fork 9 are positioned with middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23 respectively, middle bottom gear declutch shift shaft 22 is provided with three the first grooves 19, top gear declutch shift shaft 23 is provided with two the second grooves 20, and the side of middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23 is equipped with declutch shift shaft control mechanism.
Declutch shift shaft control mechanism includes hold-down bolt 16, spring 17, steel ball 18, and steel ball 18 is pressed on the first groove 19, second groove 20 by spring 17 by hold-down bolt 16.
Also steel ball 20 is provided with between middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23, middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23 are provided with the 3rd groove 21 matched with steel ball 20, and steel ball 20 can engage with the 3rd groove 21 on middle bottom gear declutch shift shaft 22 or top gear declutch shift shaft 23.Steel ball between middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23 20 and hold-down bolt 16 are in the same center line, and are conducive to the stressed compression of declutch shift shaft, once-through when being also conducive to production and processing.
Working procedure of the present invention is as follows: central bottom gear clutch 5 under the stirring of middle bottom gear shift fork 4 with bottom gear driving gear 6 in conjunction with time, transmission of power order is followed successively by input shaft 1, driven gear 2, gear shaft 10, middle bottom gear clutch 5, bottom gear driving gear 6, bottom gear driven gear 12, differential mechanism 14, semiaxis 15, realizes low cruise.Semiaxis 15 includes left half axle and right axle shaft, and left half axle and right axle shaft are all connected with wheel, and the differential that differential mechanism 14 realizes left and right wheels runs.
In the middle of bottom gear clutch 5 under the stirring of middle bottom gear shift fork 4 with mid ranger driving gear 3 in conjunction with time, transmission of power order is followed successively by input shaft 1, driven gear 2, gear shaft 10, middle bottom gear clutch 5, mid ranger driving gear 3, mid ranger driven gear 11, differential mechanism 14, semiaxis 15, realizes middling speed and runs.Semiaxis 15 includes left half axle and right axle shaft, and left half axle and right axle shaft are all connected with wheel, and the differential that differential mechanism 14 realizes left and right wheels runs.
When top gear clutch 8 under the stirring of top gear shift fork 9 with top gear driving gear 7 in conjunction with time, transmission of power order is followed successively by input shaft 1, driven gear 2, gear shaft 10, top gear clutch 8, top gear driving gear 7, top gear driven gear 13, differential mechanism 14, semiaxis 15, realizes high speed operation.Semiaxis 15 includes left half axle and right axle shaft, and left half axle and right axle shaft are all connected with wheel, and the differential that differential mechanism 14 realizes left and right wheels runs.
The working procedure of two declutch shift shafts is as follows: when vehicle is in neutral gear, steel ball 18 be pressed in middle bottom gear declutch shift shaft 22 mediates the first groove 19, on top gear positioning shaft 23 by subterminal second groove 20, steel ball 18 between middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23 is in blank state, can not compress with middle bottom gear declutch shift shaft 22 and top gear declutch shift shaft 23, be convenient to gear-change operation.
In the middle of bottom gear declutch shift shaft 22 switch to steel ball 18 be pressed on by subterminal first groove 19 time, the middle bottom gear shift fork 4 on middle bottom gear declutch shift shaft 22 is stirred middle bottom gear clutch 5 and is combined with bottom gear driving gear 6, realizes low cruise; In the middle of bottom gear declutch shift shaft 22 switch to steel ball 18 when being pressed on the first groove 19 near middle bottom gear shift fork 4, the middle bottom gear shift fork 4 on middle bottom gear declutch shift shaft 22 is stirred middle bottom gear clutch 5 and is combined with mid ranger driving gear 3, realizes middling speed operation; When central bottom gear declutch shift shaft 22 is in above-mentioned low speed or mid ranger, steel ball 18 between middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23 staggers with the 3rd groove 21 on middle bottom gear declutch shift shaft 22, on the 3rd groove 21 that steel ball 18 is pressed on the outer wall of middle bottom gear declutch shift shaft 22 and top gear declutch shift shaft 23, top gear declutch shift shaft 23 is spacing by the steel ball 18 between middle bottom gear declutch shift shaft 22, top gear declutch shift shaft 23, can not move axially, effectively avoid the situation of gear mispairing.
In the middle of bottom gear declutch shift shaft 22 switch to after steel ball 18 is pressed on the first groove 19 that middle bottom gear declutch shift shaft 22 mediates, top gear declutch shift shaft 23 just can move axially, switching to steel ball 18 is pressed on the second groove 20 of close top gear shift fork 9 on top gear declutch shift shaft 23, top gear shift fork 9 on top gear declutch shift shaft 23 is stirred top gear clutch 8 and is combined with top gear driving tooth 7, realize high speed operation, now middle bottom gear declutch shift shaft 22, steel ball 18 between top gear declutch shift shaft 23 staggers with the 3rd groove 21 on top gear declutch shift shaft 23, on the 3rd groove 21 that steel ball 18 is pressed on the outer wall of top gear declutch shift shaft 23 and middle bottom gear declutch shift shaft 22, middle bottom gear declutch shift shaft 22 is by middle bottom gear declutch shift shaft 22, steel ball 18 between top gear declutch shift shaft 23 is spacing, can not move axially, effectively avoid the situation of gear mispairing.
In sum, the present invention realizes the three-step gear shift of electric motor car main reducing gear, obviously pushes the speed and change in torque scope, realizes that heavy duty is run dynamic, underloading runs a good foot, and two shifting fork structure effectively avoids the situation of gear mispairing.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (4)
1. one kind subtracts assembly with the electric motor car three-step gear shift master of two shift fork, it is characterized in that: include input shaft (1), gear shaft (10), differential mechanism (14), the center line of input shaft (1) and the center line of gear shaft (10) parallel to each other, gear shaft (10) is installed with driven gear (2), gear shaft (10) is also set with mid ranger driving gear (3), bottom gear driving gear (6), top gear driving gear (7), the upper key of gear shaft (10) is connected with the middle bottom gear clutch (5) can engaged with mid ranger driving gear (3) or bottom gear driving gear (6), gear shaft (10) is gone back key and be connected with the top gear clutch (8) that can engage with top gear driving gear (7), differential mechanism (14) is installed with mid ranger driven gear (11), bottom gear driven gear (12), top gear driven gear (13), mid ranger driven gear (11), bottom gear driven gear (12), top gear driven gear (13) respectively with mid ranger driving gear (3), bottom gear driving gear (6), top gear driving gear (7) engages, differential mechanism (14) is engaged with semiaxis (15), middle bottom gear clutch (5), top gear clutch (8) is respectively equipped with middle bottom gear shift fork (4), top gear shift fork (9), middle bottom gear shift fork (4), top gear shift fork (9) is positioned with respectively middle bottom gear declutch shift shaft (22), top gear declutch shift shaft (23), middle bottom gear declutch shift shaft (22) is provided with three the first grooves (19), top gear declutch shift shaft (23) is provided with two the second grooves (20), middle bottom gear declutch shift shaft (22), the side of top gear declutch shift shaft (23) is equipped with declutch shift shaft control mechanism.
2. the electric motor car three-step gear shift master with two shift fork according to claim 1 subtracts assembly, it is characterized in that: declutch shift shaft control mechanism includes hold-down bolt (16), spring (17), steel ball (18), steel ball (18) is pressed on the first groove (19), the second groove (20) by spring (17) by hold-down bolt (16).
3. the electric motor car three-step gear shift master with two shift fork according to claim 2 subtracts assembly, it is characterized in that: between middle bottom gear declutch shift shaft (22), top gear declutch shift shaft (23), be also provided with steel ball (20), middle bottom gear declutch shift shaft (22), top gear declutch shift shaft (23) are provided with the 3rd groove (21) matched with steel ball (20), and steel ball (20) can engage with the 3rd groove (21) on middle bottom gear declutch shift shaft (22) or top gear declutch shift shaft (23).
4. the electric motor car three-step gear shift master with two shift fork according to claim 3 subtracts assembly, it is characterized in that: the steel ball (20) between middle bottom gear declutch shift shaft (22), top gear declutch shift shaft (23) and hold-down bolt (16) are in the same center line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909709.8A CN105387165A (en) | 2015-12-09 | 2015-12-09 | Electrocar three-level speed changing main reducer assembly with double shifting forks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510909709.8A CN105387165A (en) | 2015-12-09 | 2015-12-09 | Electrocar three-level speed changing main reducer assembly with double shifting forks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105387165A true CN105387165A (en) | 2016-03-09 |
Family
ID=55419763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510909709.8A Pending CN105387165A (en) | 2015-12-09 | 2015-12-09 | Electrocar three-level speed changing main reducer assembly with double shifting forks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357005A (en) * | 2018-11-14 | 2019-02-19 | 江苏易行车业有限公司 | A kind of electric vehicle two-shift automatic variable speed case |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003113874A (en) * | 2001-10-05 | 2003-04-18 | Tochigi Fuji Ind Co Ltd | Power transmission device for electric motor |
| CN202756548U (en) * | 2012-07-20 | 2013-02-27 | 重庆隆旺机电有限责任公司 | Electric vehicle manual variable speed drive assembly |
| CN204161110U (en) * | 2014-09-04 | 2015-02-18 | 重庆先友科技开发有限公司 | With the automobile-used main reduction gear of three-step gear shift |
| CN204296364U (en) * | 2014-12-01 | 2015-04-29 | 重庆先友科技开发有限公司 | A kind of automobile-used three-step gear shift back axle assembly |
| CN205207645U (en) * | 2015-12-09 | 2016-05-04 | 重庆先友科技开发有限公司 | Main assembly that subtracts of tertiary variable speed of electric motor car with two shift forks |
-
2015
- 2015-12-09 CN CN201510909709.8A patent/CN105387165A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003113874A (en) * | 2001-10-05 | 2003-04-18 | Tochigi Fuji Ind Co Ltd | Power transmission device for electric motor |
| CN202756548U (en) * | 2012-07-20 | 2013-02-27 | 重庆隆旺机电有限责任公司 | Electric vehicle manual variable speed drive assembly |
| CN204161110U (en) * | 2014-09-04 | 2015-02-18 | 重庆先友科技开发有限公司 | With the automobile-used main reduction gear of three-step gear shift |
| CN204296364U (en) * | 2014-12-01 | 2015-04-29 | 重庆先友科技开发有限公司 | A kind of automobile-used three-step gear shift back axle assembly |
| CN205207645U (en) * | 2015-12-09 | 2016-05-04 | 重庆先友科技开发有限公司 | Main assembly that subtracts of tertiary variable speed of electric motor car with two shift forks |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357005A (en) * | 2018-11-14 | 2019-02-19 | 江苏易行车业有限公司 | A kind of electric vehicle two-shift automatic variable speed case |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160309 |
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| WD01 | Invention patent application deemed withdrawn after publication |