CN207470762U - Electric vehicle automatic gear shift apparatus - Google Patents
Electric vehicle automatic gear shift apparatus Download PDFInfo
- Publication number
- CN207470762U CN207470762U CN201720876472.2U CN201720876472U CN207470762U CN 207470762 U CN207470762 U CN 207470762U CN 201720876472 U CN201720876472 U CN 201720876472U CN 207470762 U CN207470762 U CN 207470762U
- Authority
- CN
- China
- Prior art keywords
- shift
- shift fork
- babinet
- synchronizer
- electric vehicle
- 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.)
- Expired - Fee Related
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- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
Abstract
The utility model discloses a kind of electric vehicle automatic gear shift apparatus, including transmission assembly, shift assembly and hydraulic control system；The transmission assembly includes babinet, input shaft, output shaft, secondary and between adjacent power shift gear pair the synchronizer of at least two groups of power shift gears for the power of the input shaft to be transferred to output shaft；The shift assembly includes being set to the shift fork axle of the babinet in a manner of it can reciprocatingly slide in an axial direction and being fixed on the shift fork axle being used for the shift fork that the synchronizer is driven to be axially moveable；The hydraulic control system includes the piston coordinated with the hydraulic cylinder for being formed in the hydraulic cylinder of the babinet and being set in the shift fork axle；The shift fork is equipped with magnetic induction part, and the sensor for acquiring the magnetic induction part location information is fixed in the babinet, this automatic gear shift apparatus shifting element is few, gearshift reaction is fast, while has higher gearshift precision, not in place so as to avoid shifting gears.
Description
Technical field
The utility model is related to retarder field, specifically a kind of electric vehicle automatic gear shift apparatus.
Background technology
Existing electric vehicle generally use two-level speed changer is shifted gears.This double-speed speed change gear is in gear shift, by changing
It keeps off motor and driving source or rotating speed is provided, after the deceleration of deceleration mechanism, be converted to the rotary motion of cam, the rotation forces set of cam
Shift fork linear movement in shift fork axle, and then realize gear switch.Existing this gearshift, due to participating in gear shift original paper
Quantity is more, and passing power is complicated, the rate of breakdown of gearshift is increased, in the design and manufacture of worm and gear, cam mechanism
On there is also product quality hidden danger, and worm and gear, cam mechanism difficulty of processing are big, and manufacture is of high cost.In addition, in gear shift,
Due to accuracy of manufacture factor or after being used for a long time, excessive wear occurs cam mechanism for cam mechanism, always there are gap, thus
It is easy to cause the phenomenon that gear shift is not in place.
Therefore, it is to solve problem above, needs that a kind of shifting element is few, gearshift reaction is fast, while has higher gearshift
Precision, so as to avoid the electric vehicle automatic gear shift apparatus for shifting gears not in place.
Utility model content
In view of this, the purpose of the utility model is to overcome in the prior art the defects of, provide that a kind of shifting element is few, changes
Gear reaction is fast, while has higher gearshift precision, so as to avoid the electric vehicle automatic gear shift apparatus for shifting gears not in place.
The electric vehicle automatic gear shift apparatus of the utility model, including transmission assembly and shift assembly and hydraulic control system
System；The transmission assembly include babinet, input shaft, output shaft, for the power of the input shaft to be transferred to output shaft
At least two groups of power shift gears pairs and the synchronizer between adjacent power shift gear pair；The shift assembly is included with can be in an axial direction
The mode to reciprocatingly slide is set to the shift fork axle of the babinet and is fixed on the shift fork axle for driving the synchronizer along axis
To mobile shift fork；The hydraulic control system includes being formed in the hydraulic cylinder of the babinet and is set to the shift fork axle
On with the hydraulic cylinder cooperation piston；The shift fork is equipped with magnetic induction part, is fixed with to adopt in the babinet
Collect the sensor of the magnetic induction part location information；
Further, the shift fork axle is equipped with carries out locking stopper component, the stopper component packet for sliding axially to it
Include the stopper slot for being set to shift fork axle and the stopper body that the stopper slot can be slid in or out；
Further, the hydraulic cylinder it is coaxially formed there are two, the piston is correspondingly provided with two and is integrally formed respectively
At the both ends of the shift fork axle；
Further, the sensor includes judging that synchronizer is located at the first sensor of left position, for described in judging
Synchronizer is located at the second sensor of middle position and for judging that synchronizer is located at the 3rd sensor of right position；
Further, the stopper slot includes keeping the right groove body of right position for locking synchronization device, be protected for locking synchronization device
It holds the intermediate groove body of middle position and the left groove body of left position is kept for locking synchronization device.
The beneficial effects of the utility model are：The electric vehicle automatic gear shift apparatus of the utility model, using existing liquid
In the hydraulic cylinder that pressure oil introducing is formed in babinet by pressure system, piston is pushed to move, and then make shift fork using pressure oil
Movement is shifted gears together with shift fork axle, and shift fork is equipped with magnetic induction part, is fixed with to acquire the magnetic in the babinet
The sensor of sensing element location information, the position signal of sensor detection are used to control the start and stop of hydraulic system, therefore, this
On the one hand the automatic gear shift apparatus of utility model simplifies the structure of gearshift driving mechanism, while significantly improve speed changer again
The accuracy and reliability of gear shifting action.
Description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the schematic diagram of the hydraulic system of the utility model.
Specific embodiment
Fig. 1 is the structure diagram of the utility model；The electric vehicle automatic gear shift apparatus of the present embodiment, including speed changer
Component, shift assembly and hydraulic control system；The transmission assembly include babinet 2, input shaft 15, output shaft 13, for will
Two groups of power shift gears that the power of the input shaft 15 is transferred to output shaft 13 are secondary and same between adjacent power shift gear pair
Walk device 14；Two groups of power shift gear pairs are respectively that gear gear pair 12 and slow gear gear pair 1, the driving gear of power shift gear pair rotate soon
It is matched with driving shaft；The driven gear transmission of power shift gear pair is matched with driven shaft, therefore, passes through the reciprocating movement of synchronizer 14
The driving gear of two groups of power shift gear pairs can be controlled alternately to be implemented in combination with shifting gears with driving shaft, synchronizer 14 passes through 11 band of shift fork
It is dynamic to realize movement, piston is fixed in shift fork axle 10, therefore, shift fork axle 10 is matched with as piston rod to be formed in babinet 2
In hydraulic cylinder 3, pressure oil is introduced in an axial direction reciprocal of shift fork axis 10 to hydraulic cylinder 3 by existing hydraulic system
Movement is shifted gears, and shift fork 11 is equipped with magnetic induction part, is fixed with to acquire the magnetic induction part position in the babinet 2
The sensor of confidence breath, the position signal of sensor detection are used to control the start and stop of hydraulic system, therefore, the utility model
On the one hand automatic gear shift apparatus simplifies the structure of gearshift driving mechanism, while significantly improve shift of transmission action again
Accuracy and reliability.
In the present embodiment, the shift assembly further includes stopper component, and the stopper component includes being set to shift fork axle 10
Stopper slot and be set to babinet 2 and the stopper body of the stopper slot can be slid in or out；The babinet 2 is equipped with stopper hole,
Steel ball 4 as stopper body is arranged in the stopper hole, and stopper hole has been connected through a screw thread adjusting screw 6, and steel ball 4 is with adjusting spiral shell
There is spring 5 on bullet top between following closely 6 ends, when the stopper slot movement in shift fork axle 10 as stopper hole to it is corresponding when steel ball 4 in spring 5
Resilient force under be caught in stopper slot and realize stopper, stopper slot is the circular groove coordinated with steel ball 4, and the depth of the slot should be less than
The radius of steel ball 4 ensures shift fork axle 10 by under enough external force effects, and steel ball 4 can skid off.
In the present embodiment, there are two the hydraulic cylinder 3 is coaxially formed, the piston is correspondingly provided with two and respectively one
It is molded over the both ends of the shift fork axle 10；As shown in Fig. 2, pressure oil is alternately injected to two hydraulic cylinders 3 by hydraulic system
Realize that shift fork axle 10 moves back and forth in an axial direction.
In the present embodiment, the sensor includes judging that synchronizer 14 is located at the first sensor 7 of left position, for sentencing
The synchronizer 14 that breaks is located at the second sensor 8 of middle position and for judging that synchronizer 14 is located at the 3rd sensor 9 of right position；
When shift fork 11 is moved to left position, middle position or right position, the magnetic induction original paper on shift fork 11 will be passed accordingly with first, second, and third
Sensor 9 corresponds to, and the present apparatus is additionally provided with controller, which receives first sensor 7, second sensor 8 and third and pass
It can determine whether synchronizer 14 moves in place after the signal of sensor 9, and control signal send out hydraulic system according to more than signal,
Controller realizes that this will not be repeated here to the control structure of hydraulic system using the prior art.
In the present embodiment, the stopper slot includes keeping the right groove body of right position, same for locking for locking synchronization device 14
Walk the intermediate groove body of position and the left groove body for the holding of locking synchronization device 14 left position during device 14 is kept.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the right of the utility model.
Claims (5)
1. a kind of electric vehicle automatic gear shift apparatus, it is characterised in that：Including transmission assembly, shift assembly and hydraulic control system
System；
The transmission assembly include babinet, input shaft, output shaft, for the power of the input shaft to be transferred to output shaft
At least two groups of power shift gears pairs and the synchronizer between adjacent power shift gear pair；
The shift assembly includes being set to the shift fork axle of the babinet in a manner of it can reciprocatingly slide in an axial direction and is fixed on institute
It states shift fork axle and is used for the shift fork that the synchronizer is driven to be axially moveable；
The hydraulic control system include be formed in the babinet hydraulic cylinder and be set in the shift fork axle with institute
State the piston of hydraulic cylinder cooperation；The shift fork is equipped with magnetic induction part, is fixed with to acquire the magnetic in the babinet
The sensor of sensing element location information.
2. electric vehicle automatic gear shift apparatus according to claim 1, it is characterised in that：The shift assembly further includes lock
Component is kept off, the stopper component includes being set to the stopper slot of shift fork axle and is set to babinet and can slide in or out the stopper
The stopper body of slot.
3. electric vehicle automatic gear shift apparatus according to claim 2, it is characterised in that：The hydraulic cylinder is coaxially formed
There are two, the piston is correspondingly provided with two and is integrally formed respectively at the both ends of the shift fork axle.
4. electric vehicle automatic gear shift apparatus according to claim 3, it is characterised in that：The sensor includes sentencing
Disconnected synchronizer is located at the first sensor of left position, for judging that the synchronizer is located at the second sensor of middle position and for sentencing
Disconnected synchronizer is located at the 3rd sensor of right position.
5. electric vehicle automatic gear shift apparatus according to claim 4, it is characterised in that：The stopper slot includes locking
Determine synchronizer to keep the right groove body of right position, protect for the intermediate groove body of position in the holding of locking synchronization device and for locking synchronization device
Hold the left groove body of left position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876472.2U CN207470762U (en) | 2017-07-18 | 2017-07-18 | Electric vehicle automatic gear shift apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720876472.2U CN207470762U (en) | 2017-07-18 | 2017-07-18 | Electric vehicle automatic gear shift apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207470762U true CN207470762U (en) | 2018-06-08 |
Family
ID=62256475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720876472.2U Expired - Fee Related CN207470762U (en) | 2017-07-18 | 2017-07-18 | Electric vehicle automatic gear shift apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207470762U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141704A (en) * | 2018-11-08 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of tractor PTO testing stand with raising speed case |
| CN110425264A (en) * | 2019-09-04 | 2019-11-08 | 山东雷沃传动有限公司 | A kind of control system and control method of electrichydraulic control gearbox |
| CN110469649A (en) * | 2019-09-04 | 2019-11-19 | 山东雷沃传动有限公司 | A kind of electrichydraulic control shift transmission |
| CN111365419A (en) * | 2020-03-16 | 2020-07-03 | 重庆工程职业技术学院 | Double-clutch transmission system |
| CN111810628A (en) * | 2020-09-09 | 2020-10-23 | 雷沃重工股份有限公司 | Hydraulic electric control gear shifting speed change system |
| CN113803424A (en) * | 2021-09-17 | 2021-12-17 | 哈尔滨东安汽车动力股份有限公司 | Auxiliary transmission and transmission method thereof |
-
2017
- 2017-07-18 CN CN201720876472.2U patent/CN207470762U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141704A (en) * | 2018-11-08 | 2019-01-04 | 广西玉柴机器股份有限公司 | A kind of tractor PTO testing stand with raising speed case |
| CN110425264A (en) * | 2019-09-04 | 2019-11-08 | 山东雷沃传动有限公司 | A kind of control system and control method of electrichydraulic control gearbox |
| CN110469649A (en) * | 2019-09-04 | 2019-11-19 | 山东雷沃传动有限公司 | A kind of electrichydraulic control shift transmission |
| CN110469649B (en) * | 2019-09-04 | 2023-09-12 | 山东雷沃传动有限公司 | Electrohydraulic control gear shifting gearbox |
| CN110425264B (en) * | 2019-09-04 | 2024-02-06 | 山东雷沃传动有限公司 | Control system and control method for electrohydraulic control gearbox |
| CN111365419A (en) * | 2020-03-16 | 2020-07-03 | 重庆工程职业技术学院 | Double-clutch transmission system |
| CN111810628A (en) * | 2020-09-09 | 2020-10-23 | 雷沃重工股份有限公司 | Hydraulic electric control gear shifting speed change system |
| CN113803424A (en) * | 2021-09-17 | 2021-12-17 | 哈尔滨东安汽车动力股份有限公司 | Auxiliary transmission and transmission method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |