CN103438173A - Mechanical self-adapted automatic speed changing device of electric vehicle - Google Patents
Mechanical self-adapted automatic speed changing device of electric vehicle Download PDFInfo
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- CN103438173A CN103438173A CN2013104029447A CN201310402944A CN103438173A CN 103438173 A CN103438173 A CN 103438173A CN 2013104029447 A CN2013104029447 A CN 2013104029447A CN 201310402944 A CN201310402944 A CN 201310402944A CN 103438173 A CN103438173 A CN 103438173A
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Abstract
The invention discloses a mechanical self-adapted automatic speed changing device of an electric vehicle. The mechanical self-adapted automatic speed changing device comprises a box body, a speed changer and a differential mechanism, wherein the speed changer is arranged in the box body; the speed changer comprises a clutch shaft, a speed reducing shaft and an automatic clutch, wherein the clutch shaft is connected with a motor and is rotatably arranged in the box body; the speed reducing shaft is rotatably arranged in the box body; an inner hub of the automatic clutch is arranged on the clutch shaft and an outer cover of the automatic clutch is emptily sleeved on the clutch shaft; a first driving gear in a first speed reducing gear pair is arranged on the clutch shaft; a first unidirectional gear is sleeved on the speed reducing shaft; a second driving gear in a second speed reducing gear pair is arranged on the outer cover of the automatic clutch; a second unidirectional gear is sleeved on the speed reducing shaft; the speed ratio of the second speed reducing gear pair is less than that of the first speed reducing gear pair; the differential mechanism is connected with the speed changer. According to the mechanical self-adapted automatic speed changing device of the electric vehicle, the speed changing device can be self-adapted to automatic gear shifting and the driving speed does not need to be improved by simply improving the rotary speed of the motor, so that the power consumption is reduced, the service lives of a storage battery, the motor and a controller are prolonged, the speed is improved more rapidly and the driving experience is improved.
Description
Technical field
The present invention relates to electric motor car power transmission technical field, particularly a kind of electric motor car mechanical self-adapting automatic gear shift device.
Background technique
The day by day scarcity of the continuous deterioration of environment and petroleum resources, for the development and application of electric motor car provides an excellent opportunity, electric motor car has become one of developing direction of current means of transportation, and electric motor car be take electric power in brief exactly as driving, the car that the electric power of take is the energy.With respect to existing main gasoline-fueled Motor Vehicle, electric motor car has the advantages such as energy-conserving and environment-protective, economical and practical, maintenance safe, and therefore, electric motor car has wide market prospects.
In prior art, electric motor car mostly adopts single grade of speed reducing driving device, although this structure can realize stepless change, but the work of speed change completes by motor entirely, motor is difficult to be operated in efficient district, makes electric motor car be difficult to run at high speed, climb unable, and inrush current is large, cause power consumption to increase, have a strong impact on the working life of storage battery, motor and controller.
Therefore, how to provide a kind of driving device for electric vehicle, can reduce power consumption, improve the working life of storage battery, motor and controller, improve to drive and experience, become those skilled in the art's important technological problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the invention provides a kind of electric motor car mechanical self-adapting automatic gear shift device, so that it reaches minimizing power consumption, improve the working life of storage battery, motor and controller, improve and drive the purpose of experiencing.
For achieving the above object, the invention provides following technological scheme:
A kind of electric motor car mechanical self-adapting automatic gear shift device, for being connected with motor, comprising:
Casing;
Speed changer, be arranged in described casing, comprising:
Clutch shaft, be arranged in described casing rotationally, for being connected with described motor;
Deboost axle, be arranged in described casing rotationally;
Automatic clutch, interior hub sleeve is located on described clutch shaft, outer cover is rotating be arranged on described casing and empty set on described clutch shaft;
The first speed reducing gear pair, comprise the first driving gear and the first ratchet, described the first driving gear is arranged on described clutch shaft, the outer ring of described the first ratchet is the first driven gear, with described the first driving gear engagement, described the first driven gear inner chamber is connected with the first one-way element be set on described deboost axle;
The second speed reducing gear pair, comprise the second driving gear and the second ratchet, described the second driving gear is set on the outer cover of described automatic clutch, the outer ring of described the second ratchet is the second driven gear, the inner chamber of described the second driven gear is connected with the second one-way element be set on described deboost axle, and the speed ratio of described the second speed reducing gear pair is less than the speed ratio of described the first speed reducing gear pair;
Differential mechanism, be connected with described speed changer.
Preferably, described clutch shaft is connected on described motor by elementary speed reducer.
Preferably, described elementary speed reducer comprises the elementary speed reducing gear pair that the 3rd driving gear and the 3rd driven gear form and is arranged on rotationally the gear shaft in described casing, described the 3rd driving gear and described gear shaft are structure as a whole, and described the 3rd driven gear is arranged on described clutch shaft.
Preferably, described the first driving gear and described clutch shaft are structure as a whole.
Preferably, the total reduction ratio i of described electric motor car mechanical self-adapting automatic gear shift device meets i >=23.
Preferably, described automatic clutch is that machine automatization is controlled overrunning clutch, also is provided with the 3rd one-way element on described outer cover, and the outer ring of described the 3rd one-way element is fixedly connected with described outer cover, and the inner ring of described the 3rd one-way element is set on described clutch shaft.
Preferably, in described machine automatization control overrunning clutch, hub comprises:
Hoof piece support, be set on described clutch shaft;
The hoof piece, at least comprise two, is provided with being arranged on described hoof piece support of bolt symmetry of baffle plate by being arranged with successively from the inside to surface conduit, spring and head.
Preferably, described electric motor car mechanical self-adapting automatic gear shift device also comprises gear reversing device, and described gear reversing device comprises:
The shift fork cover, be set on described deboost axle slidably, for coordinating with described the first driven gear, is provided with fork slot on it;
Shift fork, an end stretches into described fork slot;
Declutch shift shaft, be slidably disposed on described casing, with the end of described shift fork away from described shift fork cover, is fixedly connected with;
Return spring, be set on described declutch shift shaft, between described shift fork and described casing;
Locking device, be arranged on described casing, for fixing described declutch shift shaft.
Preferably, the declutch shift shaft installation sleeve that is provided with chute on described casing and penetrates its sidewall, described declutch shift shaft one end is arranged in described chute, the other end passes and is slidably mounted in described declutch shift shaft installation sleeve, described return spring is between described declutch shift shaft installation sleeve and described shift fork, and described locking device is to be positioned at reverse gear drag-line mounting bracket and the reverse gear drag-line that the outer end of described casing is installed on described declutch shift shaft installation sleeve.
Preferably, the main speed reducing gear pair that described differential mechanism forms by the 4th driving gear and the 4th driven gear is connected on described speed changer, and described the 4th driving gear is set on described deboost axle, and described the 4th driven gear is connected with described differential mechanism.
From technique scheme, can find out, electric motor car mechanical self-adapting automatic gear shift device provided by the invention, comprise casing, speed changer and differential mechanism, wherein, speed changer is arranged in casing, comprise and be connected with motor and be arranged on rotationally the clutch shaft in casing, be arranged on rotationally the deboost axle in casing, interior hub is arranged on clutch shaft, the automatic clutch of outer cover empty set on clutch shaft, in the first speed reducing gear pair, the first driving gear is arranged on clutch shaft, the first ratchet is enclosed within on deboost axle, the outer ring of the first ratchet is the first driven gear, the first driven gear inner chamber is connected with the first one-way element be set on deboost axle, in the second speed reducing gear pair, the second driving gear is enclosed within on the outer cover of automatic clutch, the second ratchet is enclosed within on deboost axle, the outer ring of the second ratchet is the second driven gear, the inner chamber of the second driven gear is connected with the second one-way element be set on deboost axle.
During starting, motor speed is lower, and automatic clutch, in separated state, does not have the power input on the second speed reducing gear pair, and the second one-way element is in surmounting state, and transmission work is completed by the first speed reducing gear pair; Strengthen dynamoelectric accelerograph, motor speed increases thereupon, when rotating speed reaches the automatic clutch engaging rotating speed, automatic clutch engages, and the outer cover of automatic clutch drives the second reduction gear auxiliary driving, at this moment, because the speed ratio of the second speed reducing gear pair is less than the speed ratio of the first speed reducing gear pair, the rotating speed of the second ratchet is higher than the rotating speed of the first ratchet, therefore, the first one-way element is in surmounting state, and transmission work is taken over by the second speed reducing gear pair.
During deceleration, unclamp gradually dynamoelectric accelerograph, motor speed decreases, when rotating speed is reduced to while being not enough to support automatic clutch to engage, the interior hub of automatic clutch separates with outer cover, the second driving gear be arranged on outer cover runs out of steam, stop operating gradually, with the second ratchet rotating speed of its engagement, reduce gradually, until its rotating speed is while being slower than the first ratchet, the first one-way element finishes to surmount state, at this moment, transmission work is taken over by the first speed reducing gear pair, and, owing to thering is lasting power input on deboost axle, and the second driven gear runs out of steam, stop operating gradually, the second one-way element will be in surmounting state, avoided the second driving gear to rotate under the drive of the second ratchet, thereby the interior hub of having avoided automatic clutch and outer cover rotate simultaneously and cause gouging abrasion while engaging, improved the working life of automatic clutch.
As can be seen here, electric motor car mechanical self-adapting automatic gear shift device provided by the invention has two gears, do not rely on simple raising motor speed to improve running speed, realize adaptive automatic gear shifting by the cooperation between two ratchets and automatic clutch, reduced power consumption, improved the working life of storage battery, motor and controller, lifting speed, improve to drive and experience faster.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The overall structure schematic diagram of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 1 provides for the embodiment of the present invention;
The plan view of the ratchet of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 2 provides for the embodiment of the present invention;
The sectional view of the ratchet of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 3 provides for the embodiment of the present invention;
The sectional view of the automatic clutch of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is A-A sectional drawing in Fig. 4;
The partial structurtes schematic diagram of the gear reversing device of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 6 provides for the embodiment of the present invention.
Embodiment
The invention provides a kind of electric motor car mechanical self-adapting automatic gear shift device, so that it reaches minimizing power consumption, improve the working life of storage battery, motor and controller, improve and drive the purpose of experiencing.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making under the creative work prerequisite the every other embodiment who obtains, belong to the scope of protection of the invention.
Refer to Fig. 1-Fig. 3, the overall structure schematic diagram of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 1 provides for the embodiment of the present invention; The plan view of the ratchet of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 2 provides for the embodiment of the present invention; The sectional view of the ratchet of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 3 provides for the embodiment of the present invention.
A kind of electric motor car mechanical self-adapting automatic gear shift device provided by the invention, for being connected with motor, comprise casing 1, speed changer and differential mechanism 8.
Wherein, casing 1 mainly plays the effect of supporting with its upper-part of protection, speed changer is arranged in casing 1, and it mainly consists of clutch shaft 2, deboost axle 10, automatic clutch 3, the first speed reducing gear pair and the second speed reducing gear pair, and clutch shaft 2, for being connected with motor, is arranged in casing 1 rotationally, deboost axle 10 is arranged in casing 1 rotationally, the interior hub sleeve of automatic clutch 3 is located on clutch shaft 2, outer cover 303 is rotating be arranged on casing 1 and empty set on clutch shaft 2, the first speed reducing gear pair comprises the first driving gear 12 and the first ratchet 11, the first driving gear 12 is arranged on clutch shaft 2, the outer ring of the first ratchet 11 is the first driven gear 1101, with the first driving gear 12 engagements, the first driven gear 1101 inner chambers are connected with the first one-way element 1102 be set on described deboost axle 10, the second speed reducing gear pair comprise the second driving gear 4 and with the second ratchet 5, the second driving gear 4 is set on the outer cover 303 of automatic clutch 3, the outer ring of the second ratchet 5 is the second driven gear, the inner chamber of the second driven gear is connected with the second one-way element be set on deboost axle 10, the speed ratio of the second speed reducing gear pair is less than the speed ratio of the first speed reducing gear pair, differential mechanism 8 is connected with speed changer.
Compared with prior art, electric motor car mechanical self-adapting automatic gear shift device provided by the invention, when electric motor car starts to walk, because motor speed is lower, automatic clutch 3 is in separated state, at this moment being set in the second driving gear 4 on automatic clutch 3 outer covers can not transferring power, and the second one-way element is in surmounting state, and transmission work is completed by the first speed reducing gear pair; After having started to walk, strengthen gradually dynamoelectric accelerograph, motor speed increases thereupon, when rotating speed reaches automatic clutch 3 engaging rotating speed, automatic clutch 3 engages, the outer cover 303 of automatic clutch 3 drives the second driving gear 4 and rotates, at this moment, because the speed ratio of the second speed reducing gear pair is less than the speed ratio of the first speed reducing gear pair, the rotating speed of the second ratchet 5 is higher than the rotating speed of the first ratchet 11, therefore, with coaxial the first one-way element 1102 of the second ratchet 5, in surmounting state, transmission work is taken over by the second speed reducing gear pair.
During deceleration, unclamp gradually dynamoelectric accelerograph, motor speed decreases, when rotating speed is reduced to while being not enough to support that automatic clutch 3 engages, the interior hub of automatic clutch 3 separates with outer cover 303, the second driving gear 4 be arranged on outer cover 303 runs out of steam, stop operating gradually, with the second ratchet 5 rotating speeds of its engagement, reduce gradually, until its rotating speed is while being slower than the first ratchet 11, the first one-way element 1102 finishes to surmount state, at this moment, transmission work is taken over by the first speed reducing gear pair, and, owing to thering is lasting power input on deboost axle 10, and the second driven gear runs out of steam, stop operating gradually, the second one-way element will be in surmounting state, avoided the second driving gear 4 to rotate under the drive of the second ratchet 5, thereby the interior hub of having avoided automatic clutch 3 and outer cover 303 rotate simultaneously and cause gouging abrasion while engaging, improved the working life of automatic clutch 3.
As can be seen here, electric motor car mechanical self-adapting automatic gear shift device provided by the invention has two gears, this device does not rely on simple raising motor speed to improve running speed, realize adaptive automatic gear shifting by the cooperation between two ratchets and automatic clutch, reduced power consumption, improved the working life of storage battery, motor and controller, lifting speed, improve to drive and experience faster.
In order to guarantee that electric motor car has enough torsion when load-carrying is climbed, need to make speed changer there is larger reduction speed ratio, therefore, in embodiments of the present invention, clutch shaft 2 is connected on motor by elementary speed reducer, preferably, elementary speed reducer comprises the elementary speed reducing gear pair that the 3rd driving gear 15 and the 3rd driven gear 13 form and is arranged on rotationally the gear shaft 14 in casing 1, wherein, the 3rd driving gear 15 is structure as a whole with gear shaft 14, the 3rd driven gear 13 is set on clutch shaft 2, and, the total reduction ratio i of electric motor car mechanical self-adapting automatic gear shift device meets i >=23, with this, make electric motor car mechanical self-adapting automatic gear shift device can export enough torsion, guarantee the load-carrying climbing that electric motor car can be safe.
For the ease of manufacturing and installing, in embodiments of the present invention, the first driving gear 12 is structure as a whole with clutch shaft 2.
Refer to Fig. 4 and Fig. 5, the sectional view of the automatic clutch of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 4 provides for the embodiment of the present invention; Fig. 5 is A-A sectional drawing in Fig. 4.In the embodiment of the present invention, automatic clutch 3 adopts machine automatization to control overrunning clutch, can certainly adopt the automatic clutch of other structures, such as the friction shoe-type automatic clutch.Therefore, the outer ring that also is provided with the 3rd one-way element 304, the three one-way elements 304 on the outer cover of above-mentioned automatic clutch 3 is fixedly connected with outer cover 303, and the inner ring of the 3rd one-way element 304 is set on clutch shaft 2; During starting, the motor forward, now rotating speed is lower, and machine automatization is controlled overrunning clutch and is failed to engage, and at this moment the inner ring of the 3rd one-way element 304 surmounts outer ring, and the outer cover 303 be fixedly linked with the 3rd one-way element 304 outer rings is remained static; When motor speed rises to enough when fast, machine automatization is controlled overrunning clutch and is engaged, outer cover 303 drives the outer ring quick rotation of the 3rd one-way element 304, the outer ring of the 3rd one-way element 304 and inner ring locking, the second driving gear 4 that outer cover 303 drives on it rotates, the second speed reducing gear pair starts transmission, meanwhile, because the speed ratio of the second speed reducing gear pair is less than the speed ratio of the first speed reducing gear pair, therefore, under the drive of the second ratchet 5, the first one-way element 1102 surmounts the first driving gear 12, completes thus taking over of power transmission work.
In the present invention, be in example, machine automatization is controlled hub in overrunning clutch and is comprised hoof piece support 302 and hoof piece 301, hoof piece support 302 is set on clutch shaft 2, hoof piece 301 at least comprises two, and be provided with being arranged on hoof piece support 302 of bolt 307 symmetries of baffle plate by being arranged with successively from the inside to surface conduit 305, spring 306 and head, when motor speed is enough high, under the effect of centrifugal force, the elastic force that hoof piece 301 overcomes spring 306 throws away, and controls overrunning clutch outer ring 403 with machine automatization and engages; When motor speed descends, because centrifugal force reduces, hoof piece 301 separates with outer cover 303 under spring 306 effects.
When adopting above-mentioned machine automatization to control overrunning clutch or the second ratchet 5, according to the one-way element characteristic, it can not realize reversing drive, also just can not realize reversing, yet, in embodiments of the present invention, electric motor car mechanical self-adapting automatic gear shift device has not only needed mechanical self adaption automatic gear-shifting, also need can reversing drive to complete reversing, therefore, electric motor car mechanical self-adapting automatic gear shift device also comprises gear reversing device 9, refer to Fig. 6, the partial structurtes schematic diagram of the gear reversing device of the electric motor car mechanical self-adapting automatic gear shift device that Fig. 6 provides for the embodiment of the present invention, gear reversing device 9 comprises shift fork cover 901, shift fork 902, declutch shift shaft 903, return spring 904 and locking device, wherein, shift fork cover 901 is set on deboost axle 10 slidably, for coordinating with the first driven gear 1101, be provided with fork slot on it, shift fork 902 1 ends stretch into fork slot, declutch shift shaft 903 is slidably disposed in casing 1, with the end of shift fork 902 away from shift fork cover 901, is fixedly connected with, return spring 904 is set on declutch shift shaft 903, between shift fork 902 and casing 1, locking device is arranged on casing 1, for fixing declutch shift shaft 903.When reversing, pull declutch shift shaft 903 that shift fork cover 901 is coordinated with the first driven gear 1101, and locking, motor reversal, power is through the first driving gear 12 to first driven gears 1101, be delivered to differential mechanism 8 by the deboost axle 10 that is arranged with the shift fork cover 901 coordinated with the first driven gear 1101 again, realize the reverse power transmission.
The mounting type of declutch shift shaft 903 can have multiple, in embodiments of the present invention, the declutch shift shaft installation sleeve 905 that also is provided with chute on casing 1 and penetrates its sidewall, declutch shift shaft 903 1 ends are arranged in chute, the other end passes and is slidably mounted in declutch shift shaft installation sleeve 905, return spring 904 is between declutch shift shaft installation sleeve 905 and shift fork 902, locking device is to be positioned at reverse gear drag-line mounting bracket 906 and the reverse gear drag-line that the outer end of casing 1 is installed on declutch shift shaft installation sleeve 905, reverse gear drag-line mounting bracket 906 is for installing the reverse gear drag-line, the reverse gear drag-line is connected with declutch shift shaft 903, for push-and-pull declutch shift shaft 903.During reversing, pull the reverse gear drag-line, under the pulling force effect, declutch shift shaft 903 overcomes return spring 904, and shift fork cover 901 coordinates with the first driven gear 1101, and reverse gear drag-line and reverse gear drag-line mounting bracket 906 are locked, like this, can avoid in reversing process, due to vibration, shift fork 902 being separated under the effect of return spring 904 with the first driven gear 1101, cause motor idle running; During forward travel, unclamp the reverse gear drag-line, shift fork 902 separates with the first driven gear 1101 under the effect of return spring 904.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and other embodiments' difference that between each embodiment, identical similar part is mutually referring to getting final product.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiments will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an electric motor car mechanical self-adapting automatic gear shift device, for being connected with motor, is characterized in that, comprising:
Casing (1);
Speed changer, be arranged in described casing (1), comprising:
Clutch shaft (2), be arranged in described casing (1) rotationally, for being connected with described motor;
Deboost axle (10), be arranged in described casing (1) rotationally;
Automatic clutch (3), it is upper that interior hub sleeve is located at described clutch shaft (2), and outer cover (303) is rotating is arranged on the upper and empty set of described casing (1) on described clutch shaft (2);
The first speed reducing gear pair, comprise the first driving gear (12) and the first ratchet (11), described the first driving gear (12) is arranged on described clutch shaft (2), the outer ring of described the first ratchet (11) is the first driven gear (1101), with described the first driving gear (12) engagement, described the first driven gear (1101) inner chamber is connected with the first one-way element (1102) be set on described deboost axle (10);
The second speed reducing gear pair, comprise the second driving gear (4) and the second ratchet (5), described the second driving gear (4) is set on the outer cover (303) of described automatic clutch (3), the outer ring of described the second ratchet (5) is the second driven gear, the inner chamber of described the second driven gear is connected with the second one-way element be set on described deboost axle (10), and the speed ratio of described the second speed reducing gear pair is less than the speed ratio of described the first speed reducing gear pair;
Differential mechanism (8), be connected with described speed changer.
2. electric motor car mechanical self-adapting automatic gear shift device according to claim 1, is characterized in that, described clutch shaft (2) is connected on described motor by elementary speed reducer.
3. electric motor car mechanical self-adapting automatic gear shift device according to claim 2, it is characterized in that, described elementary speed reducer comprises the elementary speed reducing gear pair that the 3rd driving gear (15) and the 3rd driven gear (13) form and is arranged on rotationally the gear shaft (14) in described casing (1), described the 3rd driving gear (15) is structure as a whole with described gear shaft (14), and described the 3rd driven gear (13) is arranged on described clutch shaft (2).
4. electric motor car mechanical self-adapting automatic gear shift device according to claim 1, is characterized in that, described the first driving gear (12) is structure as a whole with described clutch shaft (2).
5. electric motor car mechanical self-adapting automatic gear shift device according to claim 2, is characterized in that, the total reduction ratio i of described electric motor car mechanical self-adapting automatic gear shift device meets i >=23.
6. electric motor car mechanical self-adapting automatic gear shift device according to claim 1, it is characterized in that, described automatic clutch (3) is controlled overrunning clutch for machine automatization, also be provided with the 3rd one-way element (304) on described outer cover (303), the outer ring of described the 3rd one-way element (304) is fixedly connected with described outer cover (303), and the inner ring of described the 3rd one-way element (304) is set on described clutch shaft (2).
7. electric motor car mechanical self-adapting automatic gear shift device according to claim 6, is characterized in that, described machine automatization is controlled hub in overrunning clutch and comprised:
Hoof piece support (302), be set on described clutch shaft (2);
Hoof piece (301), at least comprise two, is provided with symmetrical being arranged on described hoof piece support (302) of bolt (307) of baffle plate by being arranged with successively from the inside to surface conduit (305), spring (306) and head.
8. according to the described electric motor car mechanical self-adapting automatic gear shift of claim 1-7 any one device, it is characterized in that, described electric motor car mechanical self-adapting automatic gear shift device also comprises gear reversing device (9), and described gear reversing device (9) comprising:
Shift fork cover (901), be set in described deboost axle (10) upper slidably, for coordinating with described the first driven gear (1101), is provided with fork slot on it;
Shift fork (902), an end stretches into described fork slot;
Declutch shift shaft (903), be slidably disposed on described casing (1) upper, with the end of described shift fork (902) away from described shift fork cover (901), is fixedly connected with;
Return spring (904), be set in described declutch shift shaft (903) upper, is positioned between described shift fork (902) and described casing (1);
Locking device, be arranged on described casing (1) upper, for fixing described declutch shift shaft (903).
9. electric motor car mechanical self-adapting automatic gear shift device according to claim 8, it is characterized in that, the declutch shift shaft installation sleeve (905) that is provided with chute on described casing (1) and penetrates its sidewall, described declutch shift shaft (903) one ends are arranged in described chute, the other end passes and is slidably mounted in described declutch shift shaft installation sleeve (905), described return spring (904) is positioned between described declutch shift shaft installation sleeve (905) and described shift fork (902), described locking device is to be positioned at reverse gear drag-line mounting bracket (906) and the reverse gear drag-line that the outer end of described casing (1) is installed on described declutch shift shaft installation sleeve (905).
10. electric motor car mechanical self-adapting automatic gear shift device according to claim 1, it is characterized in that, described differential mechanism (8) is connected on described speed changer by the 4th driving gear (6) and the main speed reducing gear pair that the 4th driven gear (7) forms, it is upper that described the 4th driving gear (6) is set in described deboost axle (10), and described the 4th driven gear (7) is connected with described differential mechanism (8).
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| CN2013104029447A CN103438173A (en) | 2013-09-06 | 2013-09-06 | Mechanical self-adapted automatic speed changing device of electric vehicle |
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| CN2013104029447A CN103438173A (en) | 2013-09-06 | 2013-09-06 | Mechanical self-adapted automatic speed changing device of electric vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105299153A (en) * | 2015-10-29 | 2016-02-03 | 吉林大学 | Electric vehicle double-gear gearbox |
| CN106151402A (en) * | 2016-07-19 | 2016-11-23 | 金碧波 | Electric motor car bi-directional teeth wheel drive automatic speed change motor transmission mechanism |
| CN108194583A (en) * | 2018-01-08 | 2018-06-22 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | Shift mechanism, transmission assembly, electric vehicle, shifting method and control system |
| CN109899509A (en) * | 2019-04-10 | 2019-06-18 | 西南大学 | The self-adapting automatic gear shift power drive system of mechanical double overdrive clutch main shaft output |
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| CN105299153A (en) * | 2015-10-29 | 2016-02-03 | 吉林大学 | Electric vehicle double-gear gearbox |
| CN105299153B (en) * | 2015-10-29 | 2018-05-11 | 吉林大学 | The double shift transmissions of electric vehicle |
| CN106151402A (en) * | 2016-07-19 | 2016-11-23 | 金碧波 | Electric motor car bi-directional teeth wheel drive automatic speed change motor transmission mechanism |
| CN108194583A (en) * | 2018-01-08 | 2018-06-22 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | Shift mechanism, transmission assembly, electric vehicle, shifting method and control system |
| CN108194583B (en) * | 2018-01-08 | 2020-07-03 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | Gear shifting mechanism, gearbox assembly, electric automobile, gear shifting method and control system |
| CN109899509A (en) * | 2019-04-10 | 2019-06-18 | 西南大学 | The self-adapting automatic gear shift power drive system of mechanical double overdrive clutch main shaft output |
| CN109899509B (en) * | 2019-04-10 | 2020-11-10 | 西南大学 | Self-adaptive automatic speed-changing electric drive system with mechanical double-overrunning clutch main shaft output |
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