CN204300340U - Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly - Google Patents
Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly Download PDFInfo
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- CN204300340U CN204300340U CN201420784689.7U CN201420784689U CN204300340U CN 204300340 U CN204300340 U CN 204300340U CN 201420784689 U CN201420784689 U CN 201420784689U CN 204300340 U CN204300340 U CN 204300340U
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- gear
- shaft
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- shift
- shifting
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Abstract
The utility model relates to a kind of electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly, belongs to technical field of automobile components.Comprise housing, be arranged at gear selection mechanism in housing and shifter, described gear selection mechanism comprises shift selection shaft and is set in the shift selecting rocking arm on shift selection shaft, described shift selection shaft is axially connected with the step electric machine band speed reducer assembly being in hull outside, and described shift selecting rocking arm is connected with shifting block is spacing; Described shifter comprises driving gear shaft and passive tooth wheel shaft, described driving gear shaft is axially connected with the gear shifting motor band speed reducer assembly being in hull outside, described driving gear shaft is connected with driven gear through-drive by gear pair, and described shifting block is set on passive tooth wheel shaft; Be connected with shift fork bottom described shifting block.The utility model completes gear shift by gear drive and link transmission, completes gear selecting, has compact conformation, the feature of failure rate is low by rocking arm band movable slider.
Description
Technical field
The utility model relates to a kind of automobile component, is specifically related to a kind of electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly.
Background technology
The mode of the more employing electrically controlled and hydraulically of current gear-selecting and shifting executing mechanism, ecp and electricity powered.The gear-selecting and shifting executing mechanism of electrically controlled and hydraulically is poor to environmental suitability, easily reveals; Electropneumatic gear-selecting and shifting executing mechanism speed of actions is slow, there is operating lag, and not easily accurately controls; The scheme of current conventional electricity powered gear-selecting and shifting executing mechanism many employings driven by motor screw rod or roller screw.As the AMT gear-selecting and shifting executing mechanism of the patent of publication number US8646354B2, it is driven the slide block movement on screw rod by threaded engagement by driven by motor screw rod, is completed gear selecting action.And for example publication number is the AMT gear-selecting and shifting executing mechanism of the patent of CN202579994U, and its gear selecting and gear shift have all been come by driven by motor ball-screw kinematic pair.Above-mentioned two kinds of patents all adopt driven by motor screw rod or roller screw, are coordinated and drive gear selecting or gear shift shifting block, complete gear selecting and gear shift action by threaded engagement or leading screw.There is following shortcoming in this two schemes: obtain gear selecting and gear shift action smoothly, very high to the requirement on machining accuracy of screw rod, leading screw and slide block, improves processing cost; Under the complex working condition of high load capacity, buty shifting, screw rod or leading screw are vulnerable to stretching repeatedly, torsion and shear stress and cause deformation, once there be a place that deformation occurs, whole mechanism resistance will be caused significantly to increase, even stuck; Screw thread or leading screw and assembling slider contact surface thereon large, frictional dissipation is many, and mechanical efficiency is low.
Utility model content
The purpose of this utility model is exactly the defect for prior art, provides a kind of electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly.
The technical solution adopted in the utility model is: comprise housing, be arranged at gear selection mechanism in housing and shifter, described gear selection mechanism comprises shift selection shaft and is set in the shift selecting rocking arm on shift selection shaft, described shift selection shaft is axially connected with the step electric machine band speed reducer assembly being in hull outside, and described shift selecting rocking arm is connected with shifting block is spacing; Described shifter comprises driving gear shaft and passive tooth wheel shaft, described driving gear shaft is axially connected with the gear shifting motor band speed reducer assembly being in hull outside, described driving gear shaft is connected with driven gear through-drive by gear pair, and described shifting block is set on passive tooth wheel shaft; Be connected with shift fork bottom described shifting block, wherein, driving gear shaft and passive tooth wheel shaft be arranged in parallel, the plane orthogonal that the axis of described shift selection shaft and driving gear shaft and passive tooth wheel shaft are formed.
Preferred structure further, described shifting block top is provided with the axis hole be set on passive tooth wheel shaft, and described shifting block upper portion side wall is provided with vertical limit sliding chutes of arranging, be provided with shifting block bar bottom described shifting block, described shifting block boom end is provided with opening.
Preferred structure further, described shift selecting rocking arm one end is set on shift selection shaft, and the other end connects gear selecting slide block, and described gear selecting slide block is positioned at limit sliding chutes.
Preferred structure further, described shift fork top is provided with groove, and described shifting block bar is positioned at groove; Described shift fork top is provided with the roller through groove, and described roller axis is mutually vertical with the groove both ends open line of centres, and the open card that described shifting block boom end is arranged is connected on roller, and the contact surface of described opening and roller is smooth curved surface.
Berth-changing strength acts on shift fork by roller lining and roller by shifting block, shifting block directly by and the contact surface of shift fork by gear selecting masterpiece for shift fork.
Preferred structure further, described roller outer ring sleeve has roller lining.Roller outer ring is provided with roller lining, can to the wearing and tearing of roller and shifting block in reducing mechanism running.
Further preferred structure, described gear pair comprises the driving gear that is fixed on driving gear shaft and is fixed on the driven gear that passive tooth wheel shaft engages with driving gear, is provided with buffer unit between described driven gear and passive tooth wheel shaft.
Preferred structure further, described buffer unit comprises the rotating disk being fixed on driven gear shaft end, circumferentially some claws are evenly provided with outside described rotating disk, described driven gear inner side end is provided with the annular draw-in groove with driven gear centres, described claw is positioned at draw-in groove, be interval with the spring fitting groove equal with claw number in described annular draw-in groove, described spring fitting slot aperture is greater than annular draw-in groove aperture, is provided with spring in described spring fitting groove.
Between driven gear and passive tooth wheel shaft, be provided with spring, driven gear is Compress Spring first, then promotes passive tooth wheel shaft by spring, thus drives shifting block and shift fork to complete gear shift.When gear shift resistance is very large and when cannot to enter grade, motor drives initiatively and driven gear Compress Spring, motor institute work is saved as the elastic potential energy of spring, the release elastic potential energy when gear shift resistance reduces, and drive passive tooth wheel shaft, shifting block and shift fork complete gear shift.
Preferred structure further, described shift selection shaft is between driving gear shaft and passive tooth wheel shaft.
Preferred structure, is provided with gear selecting angular transducer and gear shift angular transducer outside described housing further, and described gear selecting angular transducer is axially connected with shift selection shaft, and described gear shift angular transducer is axially connected with driven gear.Gear selecting angular transducer can gather the movement angle of shift selection shaft and shift selecting rocking arm, and gear shift angular transducer can gather the movement angle of driven gear.
Preferred structure further, described housing is provided with upper cover sealing, and described housing bottom is provided with rubber cover sealing.
The utility model completes gear shift by gear drive and link transmission, gear selecting is completed by rocking arm band movable slider, gearbox selector selector shaft is driven to realize gear selecting along its axial translation by shift fork, gear shift is realized around the rotation of its axis by driving gearbox selector selector shaft, the utility model compact conformation, is easy to processing, low cost of manufacture, mechanical efficiency is high, failure rate is low; In mechanism, be provided with buffer unit, the motor that motor rotation blockage can be avoided to cause and mechanism damage, and have good mechanical protection function.
Accompanying drawing explanation
Fig. 1 is the utility model installation site schematic diagram;
Fig. 2 is the utility model constructional appearance figure;
Fig. 3 is the utility model structure sectional view;
Fig. 4 is shifting block structure schematic diagram;
Fig. 5 is A-A place sectional view in Fig. 3;
Fig. 6 is gears-shifting theory figure;
Fig. 7 is B place close-up schematic view in Fig. 6;
Fig. 8 is gear selecting schematic diagram;
Fig. 9 is buffer unit sectional view;
Figure 10 is buffer unit structure schematic diagram.
In figure: 1-gear box casing, 2-gearbox selector selector shaft, 3-gear-selecting and shifting executing mechanism, assembly, 4-mounting bracket, 5-clutch housing, 6-step electric machine band speed reducer assembly, 7-housing, 8-gear shifting motor band speed reducer assembly, 9-gear selecting angular transducer, 10-rubber cover, 11-shift fork, 12-gear shift angular transducer, 13-upper cover, 15-passive tooth wheel shaft, 16-shifting block, 17-roller, 18-roller lining, 20-driving gear, 21-spring, 22-driven gear, 23-shift selecting rocking arm, 24-shift selection shaft, 25-driving gear shaft.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, is convenient to be well understood to the utility model, but they do not form restriction to the utility model.
As shown in Figure 1 and Figure 2, the utility model gear-selecting and shifting executing mechanism assembly 3 is fixed on gear box casing 1 or clutch housing 5 by mounting bracket 4.Shift fork 11 is connected by spline and gearbox selector selector shaft 2, and by bolt clamping gearbox selector selector shaft 2.The utility model comprises housing 7, be arranged at gear selection mechanism in housing 7 and shifter, and described housing 7 is provided with upper cover 13 and seals, and is provided with rubber cover 10 and seals bottom described housing 7.The shift selecting rocking arm 23 that described gear selection mechanism comprises shift selection shaft 24 and is set on shift selection shaft 24, described shift selection shaft 24 is axially connected with the step electric machine band speed reducer assembly 6 being in housing 7 outside, and described shift selecting rocking arm 23 is connected with shifting block 16 is spacing; Described shifter comprises driving gear shaft 25 and passive tooth wheel shaft 15, described driving gear shaft 25 is axially connected with the gear shifting motor band speed reducer assembly 8 being in hull outside, described driving gear shaft 25 is fixed with driving gear 20, described passive tooth wheel shaft 15 is fixed with the driven gear 22 be meshed with driving gear 20, described shifting block 16 is set on passive tooth wheel shaft 15; Be connected with the shift fork 11 be set on gearbox selector selector shaft 2 bottom described shifting block 16, wherein, driving gear shaft 25 and passive tooth wheel shaft 15 be arranged in parallel, the plane orthogonal that the axis of described shift selection shaft 24 and driving gear shaft 25 and passive tooth wheel shaft 15 are formed, described shift selection shaft 24 is between driving gear shaft 25 and passive tooth wheel shaft 15, driving gear shaft 25, passive tooth wheel shaft 15 are all parallel to gearbox selector selector shaft 2, and shift selection shaft 24 is perpendicular to gearbox selector selector shaft 2.Be provided with gear selecting angular transducer 9 and gear shift angular transducer 12 outside described housing 7, described gear selecting angular transducer 9 is axially connected with shift selection shaft 24, and described gear shift angular transducer 12 and passive tooth wheel shaft 15 are to being connected.
As shown in Figure 4, in technique scheme, described shifting block 16 top is provided with the axis hole 16.4 be set on passive tooth wheel shaft 15, described shifting block 16 upper portion side wall is provided with vertical limit sliding chutes 16.1 of arranging, be provided with shifting block bar 16.2 bottom described shifting block 16, described shifting block bar 16.2 end is provided with opening 16.3.
As shown in Fig. 3, Fig. 8, in technique scheme, described shift selecting rocking arm 23 one end is set on shift selection shaft 24, and the other end connects gear selecting slide block 19, and described gear selecting slide block 19 is positioned at limit sliding chutes 16.1.
As shown in Fig. 5, Fig. 6, Fig. 7, in technique scheme, described shift fork 11 top is provided with groove 11.1, and described shifting block bar 16.2 is positioned at groove 11.1; Described shift fork 11 top is provided with the roller 17 through groove 11.1, described roller 17 axis is mutually vertical with the groove 11.1 both ends open line of centres, the opening 16.3 that described shifting block bar 16.2 end is arranged is connected on roller 17, and described opening 16.3 is smooth curved surface with the contact surface of roller 17.
As shown in Fig. 3, Fig. 9, Figure 10, in technique scheme, between described driven gear 22 and passive tooth wheel shaft 15, be provided with buffer unit.Described buffer unit comprises the rotating disk 15.1 being fixed on passive tooth wheel shaft 15 end, some claws 15.2 are circumferentially evenly provided with outside described rotating disk 15.1, described driven gear 22 inner side end is provided with the annular draw-in groove 22.1 with driven gear 22 centres, described claw 15.2 is positioned at draw-in groove 22.1, the spring fitting groove 22.2 equal with claw 15.2 number is interval with in described annular draw-in groove 22.1, described spring fitting groove 22.2 aperture is greater than annular draw-in groove 22.1 aperture, is provided with spring 21 in described spring fitting groove 22.2.
Gear-selecting and shifting executing mechanism drives gearbox selector selector shaft 2 to realize gear selecting along its axial translation by shift fork 11, realizes gear shift by driving gearbox selector selector shaft 2 around the rotation of its axis.
One end of the utility model shift fork 11 is connected by spline and gearbox selector selector shaft 2, and by bolt clamping gearbox selector selector shaft 2, roller 17 and roller lining 18 are installed in the groove 11.1 of the other end, roller 17 and roller lining 18 are also assemblied in the opening 16.3 of end shifting block bar 16.2 of shifting block 16 simultaneously, berth-changing strength acts on shift fork 11 by roller lining 18 and roller 17 by shifting block 16, and gear selecting masterpiece is directly used for shift fork 11 by the contact surface of the groove 11.1 with shift fork 11 by shifting block 16.
The gear shift course of work: as shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, gear shifting motor band speed reducer assembly 8 drives driving gear shaft 25 to rotate, driven gear 22 is driven to rotate by gear pair, by the buffering of spring 21, drive passive tooth wheel shaft 15 to rotate, drive shifting block 16 to rotate around passive tooth wheel shaft 15 by spline, by roller lining 18 and roller 17, berth-changing strength is acted on shift fork 11, drive shift fork 11 and gearbox selector selector shaft 2 to rotate around the axis of gearbox selector selector shaft 2, complete gear shift action.
The gear selecting course of work: as shown in Figure 8, step electric machine band speed reducer assembly 6 drives shift selection shaft 24, gear shifting rocking arm 23 rotates, by gear selecting slide block 19, gear selecting power is applied to limit sliding chutes 16.1 inwall of shifting block 16, promote shifting block 16 to move axially on passive tooth wheel shaft 15, thus promote shift fork 11 and moved vertically by the gearbox selector selector shaft 2 that shift fork 11 clamps, complete gear selecting action.
The utility model is provided with spring 21 between driven gear 22 and passive tooth wheel shaft 15, and driven gear 22 is Compress Spring 21 first, then promotes passive tooth wheel shaft 15 by spring 21, thus drives shifting block 16 and shift fork 11 to complete gear shift.Under certain conditions, gear shift resistance is very large and when cannot to enter grade, gear shifting motor 8 drives driving gear shaft 25 and driven gear 22 Compress Spring 21, the merit that motor exports is saved as the elastic potential energy of spring 21, gear shift resistance be reduced to can to enter grade time, release elastic potential energy, drives passive tooth wheel shaft 15, shifting block 16 and shift fork 11 to complete gear shift.This design effectively can avoid motor rotation blockage, and protection mechanism is from damage.
The content that this description is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (10)
1. an electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly, comprise housing (7), be arranged at gear selection mechanism in housing (7) and shifter, it is characterized in that: described gear selection mechanism comprises shift selection shaft (24) and is set in the shift selecting rocking arm (23) on shift selection shaft (24), described shift selection shaft (24) is axially connected with the step electric machine band speed reducer assembly (6) being in housing (7) outside, and described shift selecting rocking arm (23) is connected with shifting block (16) is spacing; Described shifter comprises driving gear shaft (25) and passive tooth wheel shaft (15), described driving gear shaft (25) is axially connected with the gear shifting motor band speed reducer assembly (8) being in hull outside, described driving gear shaft (25) is in transmission connection by gear pair and passive tooth wheel shaft (15), and described shifting block (16) is set on passive tooth wheel shaft (15); Described shifting block (16) bottom is connected with shift fork (11), wherein, driving gear shaft (25) and passive tooth wheel shaft (15) be arranged in parallel, the plane orthogonal that the axis of described shift selection shaft (24) and driving gear shaft (25) and passive tooth wheel shaft (15) are formed.
2. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 1, it is characterized in that: described shifting block (16) top is provided with the axis hole (16.4) be set on passive tooth wheel shaft (15), described shifting block (16) upper portion side wall is provided with vertical limit sliding chutes (16.1) of arranging, described shifting block (16) bottom is provided with shifting block bar (16.2), and described shifting block bar (16.2) end is provided with opening (16.3).
3. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 2, it is characterized in that: described shift selecting rocking arm (23) one end is set on shift selection shaft (24), the other end connects gear selecting slide block (19), and described gear selecting slide block (19) is positioned at limit sliding chutes (16.1).
4. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 2, it is characterized in that: described shift fork (11) top is provided with groove (11.1), described shifting block bar (16.2) is positioned at groove (11.1); Described shift fork (11) top is provided with the roller (17) through groove (11.1), described roller (17) axis is mutually vertical with groove (11.1) the both ends open line of centres, the opening (16.3) that described shifting block bar (16.2) end is arranged is connected on roller (17), and described opening (16.3) is smooth curved surface with the contact surface of roller (17).
5. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 4, is characterized in that: described roller (17) outer ring sleeve has roller lining (18).
6. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 1, it is characterized in that: described gear pair comprises the driving gear (20) that is fixed on driving gear shaft (25) and is fixed on the upper driven gear (22) engaged with driving gear (20) of passive tooth wheel shaft (15), is provided with buffer unit between described driven gear (22) and passive tooth wheel shaft (15).
7. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 6, it is characterized in that: described buffer unit comprises the rotating disk (15.1) being fixed on passive tooth wheel shaft (15) end, described rotating disk (15.1) outside is circumferentially evenly provided with some claws (15.2), described driven gear (22) inner side end is provided with the annular draw-in groove (22.1) with driven gear (22) centres, described claw (15.2) is positioned at draw-in groove (22.1), the spring fitting groove (22.2) equal with claw (15.2) number is interval with in described annular draw-in groove (22.1), described spring fitting groove (22.2) aperture is greater than annular draw-in groove (22.1) aperture, spring (21) is provided with in described spring fitting groove (22.2).
8. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 1, is characterized in that: described shift selection shaft (24) is positioned between driving gear shaft (25) and passive tooth wheel shaft (15).
9. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 1, it is characterized in that: outside described housing (7), be provided with gear selecting angular transducer (9) and gear shift angular transducer (12), described gear selecting angular transducer (9) is axially connected with shift selection shaft (24), and described gear shift angular transducer (12) and passive tooth wheel shaft (15) are to being connected.
10. electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly according to claim 1, it is characterized in that: described housing (7) is provided with upper cover (13) sealing, described housing (7) bottom is provided with rubber cover (10) sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784689.7U CN204300340U (en) | 2014-12-11 | 2014-12-11 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420784689.7U CN204300340U (en) | 2014-12-11 | 2014-12-11 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
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| Publication Number | Publication Date |
|---|---|
| CN204300340U true CN204300340U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420784689.7U Withdrawn - After Issue CN204300340U (en) | 2014-12-11 | 2014-12-11 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
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| CN (1) | CN204300340U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482198A (en) * | 2014-12-11 | 2015-04-01 | 东风汽车公司 | Electric control electric AMT (automated mechanical transmission) gear selecting and shifting executing mechanism assembly |
| CN106246893A (en) * | 2015-06-15 | 2016-12-21 | 陕西重型汽车有限公司 | The electronic shifting system of change speed gear box and operational approach thereof, there is the vehicle of this system |
| CN112728075A (en) * | 2020-12-31 | 2021-04-30 | 安徽骏瑞新能源科技有限公司 | Rocker arm type gear shifting driving mechanism for AMT gearbox of electric vehicle |
| CN112728072A (en) * | 2020-12-31 | 2021-04-30 | 安徽骏瑞新能源科技有限公司 | Swing arm type gear shifting driving mechanism for AMT (automated mechanical transmission) gearbox of electric vehicle |
-
2014
- 2014-12-11 CN CN201420784689.7U patent/CN204300340U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482198A (en) * | 2014-12-11 | 2015-04-01 | 东风汽车公司 | Electric control electric AMT (automated mechanical transmission) gear selecting and shifting executing mechanism assembly |
| CN104482198B (en) * | 2014-12-11 | 2017-11-24 | 东风汽车公司 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
| CN106246893A (en) * | 2015-06-15 | 2016-12-21 | 陕西重型汽车有限公司 | The electronic shifting system of change speed gear box and operational approach thereof, there is the vehicle of this system |
| CN106246893B (en) * | 2015-06-15 | 2017-11-24 | 陕西重型汽车有限公司 | The electronic shifting system of gearbox and its operating method, the vehicle with the system |
| CN112728075A (en) * | 2020-12-31 | 2021-04-30 | 安徽骏瑞新能源科技有限公司 | Rocker arm type gear shifting driving mechanism for AMT gearbox of electric vehicle |
| CN112728072A (en) * | 2020-12-31 | 2021-04-30 | 安徽骏瑞新能源科技有限公司 | Swing arm type gear shifting driving mechanism for AMT (automated mechanical transmission) gearbox of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150429 Effective date of abandoning: 20171124 |
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| AV01 | Patent right actively abandoned |