CN212959807U - Transmission with stepless double-driving lever piece and stepless double-driving lever piece gear shifting control system - Google Patents
Transmission with stepless double-driving lever piece and stepless double-driving lever piece gear shifting control system Download PDFInfo
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- CN212959807U CN212959807U CN202021242109.3U CN202021242109U CN212959807U CN 212959807 U CN212959807 U CN 212959807U CN 202021242109 U CN202021242109 U CN 202021242109U CN 212959807 U CN212959807 U CN 212959807U
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Abstract
The utility model discloses a take stepless two driving lever pieces and stepless two driving lever piece shift control system's derailleur, including electronic controller, connecting wire harness, shift motor, from locking-type reduction gear group, shift drive shaft, stepless two driving lever pieces, automatic parking mechanism, shift hydraulic valve body, hydraulic pressure gearshift, differential gear; the electronic controller is connected with the gear shifting motor through a connecting wire harness; the self-locking type reduction gear set and the gear shifting driving shaft are arranged on the gear shifting motor; the stepless double driving lever pieces are provided with splines connected with the gear shifting driving shaft; the stepless double-shifting-rod piece is connected with the automatic parking mechanism and the gear shifting hydraulic valve body. The utility model discloses cancelled the location spring leaf of shifting, the auto-lock is implemented by self-locking reduction gear group after the accurate position of the drive shaft that shifts reachs, has reduced the fluctuation of resistance, has increased the reliability that automatic gear shifter shifted, and the total load of the motor of shifting reduces, improves automatic gear shifter's life-span, and the cost is reduced has reduced the size of derailleur.
Description
Technical Field
The utility model relates to the field of automotive technology, especially, relate to a take stepless two driving lever pieces and stepless two driving lever piece shift control system's derailleur.
Background
In the prior art, most automobiles requiring step-variable transmission use a transmission, such as a conventional fuel oil vehicle, which is a necessary transmission. Because the traditional automatic transmission shifts gears by driving the inhaul cable to change an oil circuit, a circuit and a mechanical device of the transmission through the operating lever, generally, the transmission is provided with a gear shifting sector tooth and a limiting spring piece for the purpose of clear hand feeling and keeping a gear position when the transmission is engaged.
The function of the gear-shifting segment teeth is to rotate with the rotating shaft, and the peak-shaped teeth and valleys of the gear-shifting segment teeth are used for locking the rotating shaft at several required fixed positions, such as parking P, reverse gear R, neutral gear N and forward gear D. The function of the gear shifting spring piece is to provide a peak-shaped pressure change for the sector gear, so that an operator feels the position change, and the fixed and hung gear position is prevented from jumping out through the compression of the spring piece. The more elastic the spring, the clearer the hand feel, but the greater the force of engaging the gear. However, with the common application of the automatic transmission and the shift-by-wire, the operating lever used by the driver does not directly change the gears in the transmission, but controls the electric shift actuating mechanism to shift gears through a wire and a computer, so the driver can not feel the peaks and valleys on the shift sector teeth in the transmission any more, the elasticity of the shift spring piece does not influence the driver any more, but the elasticity of the shift spring piece influences the load of the electric shift actuating mechanism, and the practical use of the automobile is inconvenient.
Accordingly, there is a need in the art for improvements.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a technical problem who solves is: the utility model provides a take stepless two driving lever pieces and stepless two driving lever piece gear shift control system's derailleur to solve the problem that exists among the prior art.
According to the utility model discloses an aspect discloses a take stepless two driving lever pieces and stepless two driving lever piece shift control system's derailleur, include:
the automatic parking device comprises an electronic controller, a connecting wire harness, a gear shifting motor, a self-locking reduction gear set, a gear shifting driving shaft, a stepless double-shifting-rod piece, an automatic parking mechanism, a gear shifting hydraulic valve body, a hydraulic gear shifting mechanism and a differential gear;
the electronic controller is connected with the gear shifting motor through the connecting wire harness, calculates preset parameters and a specific target angle position of a set gear according to the gear, and controls working parameters of the gear shifting motor through the connecting wire harness;
the self-locking type reduction gear set and the gear shifting driving shaft are arranged on the gear shifting motor, the gear shifting motor drives the self-locking type reduction gear set to rotate so as to reduce speed and increase torque, and the gear shifting driving shaft performs gear shifting operation under the control of the gear shifting motor;
the stepless double driving lever pieces are provided with splines connected with the gear shifting driving shaft, and the gear shifting driving shaft rotates to drive the stepless double driving lever pieces to move;
the stepless double-shifting-rod piece is connected with the automatic parking mechanism, and under the control of the gear shifting driving shaft, the stepless double-shifting-rod piece pushes the pawl to enter or exit the ratchet wheel through the set rotating position of the gear shifting driving shaft, so that parking or parking releasing is realized.
The stepless double-shift-lever piece is connected with the gear shifting hydraulic valve body, and the hydraulic gear shifting mechanism and the differential gear are controlled by the gear shifting hydraulic valve body through the set rotating position under the control of the gear shifting driving shaft, so that the vehicle runs in R, N or different D gears.
Based on the utility model discloses in another embodiment of the above-mentioned derailleur of taking stepless two driving lever pieces and stepless two driving lever piece gear shift control system, the stepless two driving lever pieces include three connecting holes, are first connecting hole, second connecting hole, third connecting hole respectively;
the third connecting hole is connected with one end of a valve core of the gear shifting hydraulic valve body through a connecting rod;
the first connecting hole is provided with a push rod connected with a pawl of the transmission;
the second connecting hole is a spline connected with the gear shifting driving shaft;
when the shifting hydraulic valve works, the shifting driving shaft drives the connecting rod to move when rotating, and simultaneously drives the valve core of the shifting hydraulic valve body to move, the valve core of the shifting hydraulic valve body moves linearly, and different valve core positions can be communicated with different hydraulic channels to realize different gears;
when the electronic controller sets the automobile to be in a P gear, the push rod pushes the pawl to enter the ratchet wheel to park the automobile, and when the electronic controller sets the automobile to exit from the P gear, the push rod pushes the pawl to leave the ratchet wheel to release the automobile from parking.
Based on the utility model discloses in the above-mentioned another embodiment of taking stepless two driving lever pieces and stepless two driving lever piece gear shift control system's derailleur, electronic controller sets up takes feedforward PID automatic control strategy, take feedforward PID automatic control strategy to be used for accurate control the rotation angle position of stepless two driving lever pieces improves the control speed and the precision of stepless two driving lever pieces.
Compared with the prior art, the utility model has the advantages of as follows:
the utility model discloses a take stepless two driving lever pieces and stepless two driving lever piece shift control system's derailleur has cancelled the location spring leaf of shifting commonly used in the derailleur among the prior art, the accurate position of the drive shaft of shifting arrives the back and implements the auto-lock by self-locking reduction gear group, and do not lean on prior art's spring leaf to push down, after the location spring of shifting is cancelled, because there are not crest and the trough on the fan-shaped tooth, greatly reduced the resistance of shifting, the fluctuation of resistance has been reduced, the reliability of automatic gear shifter shifting has been increased, the overall load of the motor of shifting reduces, the life-span of automatic gear shifter is prolonged, the cost is reduced, the size of derailleur has been reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a transmission with a stepless dual shift lever piece and a stepless dual shift lever piece shift control system according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of the transmission with a stepless dual shift lever plate and a stepless dual shift lever plate shift control system according to the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the stepless double-dial-rod piece of the present invention.
In the figure, 1 electronic controller, 2 connecting wire harness, 3 shifting motor, 4 self-locking type reduction gear set, 5 shifting driving shaft, 6 stepless double-shifting rod piece, 61 first connecting hole, 62 second connecting hole, 63 third connecting hole, 7 automatic parking mechanism, 8 shifting hydraulic valve body, 9 hydraulic shifting mechanism and differential gear.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The transmission with the stepless dual shift lever piece and the stepless dual shift lever piece shift control system provided by the present invention will be described in more detail with reference to the accompanying drawings and embodiments.
Fig. 1 is the structure schematic diagram of an embodiment of the derailleur of the two driving lever pieces of stepless area and two driving lever piece gear shift control system of stepless area, as shown in fig. 1, the derailleur of the two driving lever pieces of stepless area and two driving lever piece gear shift control system of stepless area of this embodiment includes:
the automatic transmission comprises an electronic controller 1, a connecting wire harness 2, a gear shifting motor 3, a self-locking type reduction gear set 4, a gear shifting driving shaft 5, a stepless double-shifting-rod sheet 6, an automatic parking mechanism 7, a gear shifting hydraulic valve body 8, a hydraulic gear shifting mechanism and a differential gear 9;
the electronic controller 1 is connected with the gear shifting motor 3 through the connecting wire harness 2, the electronic controller 1 calculates preset parameters and a specific target angle position of a set gear according to the gear, and the working parameters of the gear shifting motor 3 are controlled through the connecting wire harness 2;
the self-locking type reduction gear set 4 and the gear shifting driving shaft 5 are arranged on the gear shifting motor 3, the gear shifting motor 3 drives the self-locking type reduction gear set 4 to rotate to reduce speed or increase torque, and the gear shifting driving shaft 5 performs gear shifting operation under the control of the gear shifting motor 3;
the stepless double shifting rod piece 6 is provided with a spline connected with the gear shifting driving shaft 5, and the gear shifting driving shaft 5 rotates to drive the stepless double shifting rod piece 6 to move;
the stepless double-shift lever sheet 6 is connected with a push rod of the automatic parking mechanism 7, the stepless double-shift lever sheet 6 drives the pawl to move through a set rotating position of the gear shifting driving shaft 5 under the control of the gear shifting driving shaft 5, the position of the pawl controls the working state of a ratchet wheel of a transmission, when the electronic controller 1 sets the automobile to be in a P gear, the push rod pushes the pawl to enter the ratchet wheel to park the automobile, and when the electronic controller 1 sets the automobile to exit from the P gear, the push rod pushes the pawl to leave the ratchet wheel to release the automobile for parking.
The stepless double driving lever sheet 6 is connected with the gear shifting hydraulic valve body 8, and the gear shifting hydraulic valve body 8 controls the hydraulic gear shifting mechanism and the differential gear 9 through the set rotating position of the stepless double driving lever sheet 6 under the control of the gear shifting driving shaft 5, so that the working states of different gears of the vehicle are realized.
Fig. 2 is a schematic structural view of another embodiment of the transmission with a stepless dual shift lever piece and a stepless dual shift lever piece shift control system of the present invention, and fig. 3 is a schematic structural view of an embodiment of a stepless dual shift lever piece of the present invention, as shown in fig. 2 and fig. 3, the stepless dual shift lever piece 6 includes three connecting holes, which are a first connecting hole 61, a second connecting hole 62, and a third connecting hole 63;
the third connecting hole 63 is connected with one end of the valve core of the gear shifting hydraulic valve body 8 through a connecting rod;
the first connecting hole 61 is provided with a push rod connected with a pawl of the transmission;
the second connecting hole 62 is a spline connected to the shift drive shaft 5;
when the gear shifting driving shaft 5 rotates during operation, the stepless double-poking rod piece 6 drives the push rod to move, the valve core of the gear shifting hydraulic valve body 8 is driven to move through the connecting rod, the valve core of the gear shifting hydraulic valve body 8 moves linearly, and different valve core positions can be communicated with different hydraulic channels to realize different gears, such as reverse gear R, neutral gear N and forward gear D;
when the gear-shifting driving shaft 5 rotates during operation, the stepless double-dial-rod piece 6 drives the push rod to move, the push rod is connected with a pawl of the transmission, the movement of the push rod drives the movement of the pawl, the position of the pawl controls the working state of a ratchet wheel of the transmission, when the electronic controller 1 sets the automobile to be in a P gear, the push rod pushes the pawl to enter the ratchet wheel to park the automobile, and when the electronic controller 1 sets the automobile to exit from the P gear, the push rod pushes the pawl to leave the ratchet wheel to release the automobile to park.
Based on the utility model discloses in the above-mentioned another embodiment of taking stepless two driving lever pieces 6 and stepless two driving lever piece 6 shift control system's derailleur, electronic controller 1 sets up and takes feedforward PID automatic control strategy, feedforward PID automatic control strategy is used for accurate control stepless two driving lever pieces 6's rotation angle position improves stepless two driving lever pieces 6's control speed and precision.
According to the mechanical sizes of the valve core and the valve rod of the gear shifting hydraulic valve body 8, R, N, D effective intervals of each gear can be accurately calculated, and the target angle position of each gear and different valve rod positions control the opening or closing of different oil way valves, namely, different gears are switched, so that gear shifting is realized.
In the specific use, the stepless double-deflector rod piece 6 drives the valve core and the connecting rod of the gear shifting hydraulic valve body 8 to move by rotating the stepless double-deflector rod piece 6 through the connecting rod of the gear shifting driving shaft 5. The purpose of the valve core of the gear shifting hydraulic valve body 8 is to change the rotation motion of the valve core and the connecting rod of the gear shifting hydraulic valve body 8 into linear motion to push the valve rod of the gear shifting hydraulic valve body 8 to move. The valve rod mechanical size of the gear shifting hydraulic valve body 8 can accurately calculate the effective interval of each gear, the target angle position of each gear and different valve rod positions control the opening or closing of different oil way valves, namely different gears required in R, N, D are switched to, and gear shifting is realized. Hydraulic shifting and differential gear output within a transmission are well known techniques and will not be described in detail herein.
The connecting rod is used for changing the rotary motion of the stepless double-dial-rod piece 6 into linear motion to push a P gear rod in the transmission to move, and different P gear rod positions control the engagement and release of a P gear pawl, namely parking entering and parking exiting entering driving.
The transmission with the stepless double shifting rod piece and the gear shifting control system with the stepless double shifting rod piece provided by the utility model and the stepless double shifting rod piece are introduced in detail, and specific examples are applied to explain the principle and the implementation mode of the utility model, and the explanation of the above embodiments is only used for helping to understand the method and the core idea of the utility model; the implementation of P, R, N, D for four gears is illustrated, and indeed more gears can be controlled as long as the controller gives more desired gear positions. Meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (3)
1. The utility model provides a take stepless two driving lever pieces and stepless two driving lever piece gear shift control system's derailleur which characterized in that includes:
the automatic parking device comprises an electronic controller, a connecting wire harness, a gear shifting motor, a self-locking reduction gear set, a gear shifting driving shaft, a stepless double-shifting-rod piece, an automatic parking mechanism, a gear shifting hydraulic valve body, a hydraulic gear shifting mechanism and a differential gear;
the electronic controller is connected with the gear shifting motor through the connecting wire harness, calculates preset parameters and a specific target angle position of a set gear according to the gear, and controls working parameters of the gear shifting motor through the connecting wire harness;
the self-locking type reduction gear set and the gear shifting driving shaft are arranged on the gear shifting motor, the gear shifting motor drives the self-locking type reduction gear set to rotate so as to reduce speed and increase torque, and the gear shifting driving shaft performs gear shifting operation under the control of the gear shifting motor;
the stepless double driving lever pieces are provided with splines connected with the gear shifting driving shaft, and the gear shifting driving shaft rotates to drive the stepless double driving lever pieces to move;
the stepless double-shifting-rod piece is connected with the automatic parking mechanism and the shifting hydraulic valve body, the hydraulic shifting mechanism and the differential gear are controlled by the shifting hydraulic valve body through the set rotating position of the shifting driving shaft under the control of the shifting driving shaft, the speed change and the driving of the vehicle are realized, and the automatic parking mechanism pushes the pawl to control the vehicle to enter a parking or running state.
2. The transmission with the stepless dual shift lever plate and the stepless dual shift lever plate shift control system according to claim 1, wherein the stepless dual shift lever plate comprises three connecting holes, namely a first connecting hole, a second connecting hole and a third connecting hole;
the third connecting hole is connected with one end of a valve core of the gear shifting hydraulic valve body through a connecting rod;
the first connecting hole is provided with a push rod connected with a pawl of the transmission;
the second connecting hole is a spline connected with the gear shifting driving shaft;
when the gear shifting hydraulic valve works, the gear shifting driving shaft drives the connecting rod to move when rotating, and simultaneously drives the valve core of the gear shifting hydraulic valve body to move, the valve core of the gear shifting hydraulic valve body moves linearly, different valve core positions can be communicated with different hydraulic channels to realize different gears, when the gear shifting driving shaft pushes the stepless double driving lever pieces to rotate to a set angle, the stepless double driving lever pieces drive the push rod to move, the push rod is connected with a pawl of the transmission, the movement of the push rod drives the movement of the pawl, the position of the pawl controls the working state of a ratchet wheel of the transmission, when the electronic controller sets the automobile to be in P gear, the push rod pushes the pawl to enter the ratchet wheel to park the automobile, when the electronic controller sets to exit from the P gear, the push rod pushes the pawl to leave the ratchet wheel, and the vehicle is released to park.
3. The transmission with the stepless double shifting lever piece and the stepless double shifting lever piece gear shifting control system according to claim 1, wherein the electronic controller is provided with a feed-forward PID automatic control strategy, and the feed-forward PID automatic control strategy is used for accurately controlling the rotation angle position of the stepless double shifting lever piece, so that the control speed and the control accuracy of the stepless double shifting lever piece are improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021242109.3U CN212959807U (en) | 2020-06-30 | 2020-06-30 | Transmission with stepless double-driving lever piece and stepless double-driving lever piece gear shifting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021242109.3U CN212959807U (en) | 2020-06-30 | 2020-06-30 | Transmission with stepless double-driving lever piece and stepless double-driving lever piece gear shifting control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959807U true CN212959807U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021242109.3U Active CN212959807U (en) | 2020-06-30 | 2020-06-30 | Transmission with stepless double-driving lever piece and stepless double-driving lever piece gear shifting control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959807U (en) |
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2020
- 2020-06-30 CN CN202021242109.3U patent/CN212959807U/en active Active
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