CN112728072A - Swing arm type gear shifting driving mechanism for AMT (automated mechanical transmission) gearbox of electric vehicle - Google Patents
Swing arm type gear shifting driving mechanism for AMT (automated mechanical transmission) gearbox of electric vehicle Download PDFInfo
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- CN112728072A CN112728072A CN202011640767.2A CN202011640767A CN112728072A CN 112728072 A CN112728072 A CN 112728072A CN 202011640767 A CN202011640767 A CN 202011640767A CN 112728072 A CN112728072 A CN 112728072A
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- shift lever
- rotating shaft
- driving
- shaft
- buffer block
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/304—Constructional features of the final output mechanisms the final output mechanisms comprising elements moved by electrical or magnetic force
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention relates to a new energy electric vehicle, in particular to a swing arm type gear shifting driving mechanism for an AMT (automated mechanical transmission) gearbox of an electric vehicle. A rotary arm type gear shifting driving mechanism for an AMT (automated mechanical transmission) gearbox of an electric vehicle comprises a driving motor, a transmission piece and a shift lever blocking rotating shaft, wherein the transmission piece is used for receiving torque of the driving motor, the shift lever blocking rotating shaft is linked with a shift lever, a starting gear is arranged on an output shaft of the driving motor, and the transmission piece is provided with a tooth structure which is used for being meshed with the starting gear. The invention has the advantages of simple structure, capability of buffering and damping the gear in the gearbox, prolonging the service life of the gearbox and ensuring the normal use of the gearbox.
Description
Technical Field
The invention relates to a new energy electric vehicle, in particular to a swing arm type gear shifting driving mechanism for an AMT (automated mechanical transmission) gearbox of an electric vehicle.
Background
The gearbox includes AMT gearshift and speed change transmission mechanism, moves through AMT gearshift drive speed change transmission mechanism's shift fork to realize shifting. Wherein, current AMT actuating mechanism that shifts structure is very complicated, and stability in use is poor.
A plurality of gears are arranged in the gearbox, and dynamic synchronous deviation and instantaneous tooth engagement can happen occasionally during gear shifting; the gear can produce vibrations this moment to transmit power for AMT gearshift's fender driving lever through the shift fork, if AMT gearshift's fender driving lever does not match buffering damper, the condition of tooth can be had to the gear in the gearbox so, not only can cause gearbox gear excessive wear and tear, life is shorter, more serious damage gearbox internal gear, leads to gearbox function failure, still leads to the emergence of incident easily.
Disclosure of Invention
The invention aims to provide a gear shifting driving mechanism which is used for an AMT gearbox of an electric vehicle and has a simple structure.
In order to achieve the purpose, the invention adopts the following technical scheme: a rotary arm type gear shifting driving mechanism for an AMT (automated mechanical transmission) gearbox of an electric vehicle comprises a driving motor, a transmission piece and a shift lever blocking rotating shaft, wherein the transmission piece is used for receiving torque of the driving motor, the shift lever blocking rotating shaft is linked with a shift lever, a starting gear is arranged on an output shaft of the driving motor, and the transmission piece is provided with a tooth structure which is used for being meshed with the starting gear.
The invention is provided with a driving motor which directly drives the shift lever rotating shaft to rotate, so that the shift lever rotates by taking the shift lever rotating shaft as a center, and the shift fork in the gearbox is pushed to move. The invention has simple structure, less arranged parts, less collision among the parts when in use, higher transmission efficiency, lower noise and longer service life. The transmission piece and the shifting rod blocking rotating shaft can be arranged in a shell or a box body, and the transmission piece and the shifting rod blocking rotating shaft can be fixed with the shell through a bearing.
Preferably, one end of the transmission part is linked with the gear shifting rod rotating shaft, the other end of the transmission part extends to the side far away from the gear shifting rod rotating shaft and is provided with an arc-shaped groove for abdicating the starting gear, the transmission part is sleeved on the outer side of the starting gear, a tooth structure used for being meshed with the starting gear is arranged on the inner wall of the arc-shaped groove, and the circle center of the arc-shaped groove is located on the axis of the gear shifting rod rotating shaft. The arc-shaped groove is matched with the starting gear to limit the rotating angle of the transmission piece, so that the rotating shaft of the shift lever and the rotating angle of the shift lever are achieved, and the shift lever is prevented from excessively rotating.
Preferably, the tooth structure is arranged on the inner wall of the arc-shaped groove far away from the rotating shaft side of the deflector rod. The arrangement increases the rotating shaft of the shift lever, so that the shift lever can shift the shift fork better.
Preferably, a linkage gap is formed between the transmission part and the shifting rod blocking rotating shaft, a plurality of first convex bodies which are fixed with the transmission part or fixed with the shifting rod blocking rotating shaft are arranged in the linkage gap, the transmission part and the shifting rod blocking rotating shaft are connected through a coupler, the coupler is provided with an elastic buffer block, and the elastic buffer block is provided with a plurality of radial buffer parts which can be matched between the adjacent first convex bodies in the linkage gap.
When the gear in the gearbox bites the teeth, the force generated by the vibration of the gear in the gearbox is transmitted to the shift lever through the shifting fork of the gearbox and then transmitted to the shift lever rotating shaft, so that the shift lever rotating shaft rotates, the elastic buffer block deforms, the transmission part is fixed, and the output shaft of the driving motor cannot bear force. According to the invention, the elastic buffer block is arranged to reduce the impact and the vibration of the gear in the gearbox, so that the gear is prevented from being damaged, the service life of the gearbox is prolonged, and the normal use of the gear shifting function of the gearbox is ensured. The invention has fewer parts between the driving motor and the shift lever, is more convenient to shift, and can ensure that the force generated by the vibration of the gear in the gearbox can be transmitted to the elastic buffer block.
Preferably, the transmission part and the shifting rod blocking rotating shaft are sleeved with each other, the elastic buffer block is composed of a buffer block ring part and a radial buffer part, the buffer block ring part is arranged in an annular shape, the radial buffer part is fixed on the buffer block ring part, the elastic buffer block is sleeved between the transmission part and the shifting rod blocking rotating shaft, and the coupler is located on the axial side of the elastic buffer block. The transmission member, the elastic buffer block and the deflector rod rotating shaft are sleeved with each other, so that the structure is more compact, and the AMT is smaller. Wherein, buffer block ring portion is used for the connection of a plurality of radial buffer blocks.
Preferably, the transmission part is sleeved on the circumferential outer side of the shifting rod blocking rotating shaft, the coupler is fixed with the shifting rod blocking rotating shaft, the first convex body is fixed on the circumferential inner side of the transmission part, and the radial buffer part is located on the circumferential outer side of the ring part of the buffer block; or the driving medium circumference outside is established to fender driving lever pivot cover, the shaft coupling is fixed with the driving medium, keep off driving lever pivot circumference inboard and be fixed with first convex body, radial buffering portion is located the buffer block ring portion circumference outside. The parts which are positioned at the inner side in the mutual sleeving are not provided with the first convex body, the outer wall of the part positioned at the inner side is not processed by the first convex body, the strength of the part positioned at the inner side is not influenced, and the part is not easy to deform or even break, so that the service life of the invention is ensured.
Preferably, the first convex bodies are arranged at uniform intervals in a ring shape by taking the axis of the rotating shaft of the shift blocking lever as the center. The first convex bodies are arranged in an annular shape at uniform intervals, so that the radial buffer parts are also arranged in an annular shape at uniform intervals, and the force transmission is more uniform.
Preferably, a plurality of first positioning grooves are formed in the radial buffering portion, the first positioning grooves are arranged at intervals, and the coupler is provided with a second convex body capable of being matched with the first positioning grooves. Through setting up the second convex body to realize the linkage of elastic buffer block and shaft coupling, thereby realize keeping off the linkage of driving lever pivot, shaft coupling and driving medium. Wherein, set up a plurality of first locating grooves and corresponding second convex body, a plurality of first locating grooves interval sets up to the fixed effect of location between shaft coupling and elastic buffer piece is better.
Preferably, the middle part of the coupler is provided with a coupler ring part, the buffer block ring part is sleeved on the circumferential outer side of the coupler ring part, and the coupler ring part is sleeved and fixed on the circumferential outer side of the transmission part or the shifting rod blocking rotating shaft. Through setting up shaft coupling ring portion in order to reduce the width of buffer block ring portion, the structure that makes fender driving lever pivot, driving medium, shaft coupling and buffer block simultaneously is more stable. Simultaneously, the setting of shaft coupling ring portion can be convenient for the shaft coupling with be located the inboard driving medium of circumference or keep off the fixed of driving lever pivot, need not process the driving medium more or keep off the driving lever pivot to guarantee the intensity of driving medium and fender driving lever pivot.
Preferably, the transmission part, the driving lever blocking rotating shaft and the driving lever blocking are located in a box body, two transmission parts, two driving lever blocking rotating shafts and two driving levers are arranged in the box body, the two transmission parts receive the torque of a driving motor respectively, the two transmission parts are linked with the driving lever blocking rotating shaft respectively, the two driving lever blocking rotating shafts are arranged coaxially, the two driving lever blocking rotating shafts are independent and not linked, mutually matched concave parts and convex parts are formed at mutually adjacent end parts of the two driving lever blocking rotating shafts, and the convex parts extend into the concave parts; the groove wall formed by the concave part is in clearance fit with the outer surface of the convex part; the two-gear shifting lever is provided with a fixed part fixed with the shifting lever rotating shaft and a shifting part used for shifting a shifting fork, the shifting part of the two-gear shifting lever is not contacted with each other, and the fixed part of the two-gear shifting lever is attached to the fixed part of the two-gear shifting lever; the end faces of the two fixing parts, which are close to each other, are provided with corresponding and communicated yielding grooves, lubricating oil is arranged in the yielding grooves, and the yielding grooves are annular and surround the circumferential outer side of the rotating shaft of the shift lever.
The invention is provided with two groups of gear shifting driving mechanisms which do not influence each other, so as to be suitable for a three-gear or four-gear gearbox. The rotating shaft of the blocking deflector rod can be fixed in the box body by adopting a bearing or other modes in a rotatable manner. The two-gear shifting rod rotating shaft is coaxial, the end part of one-gear shifting rod rotating shaft extends into a groove formed by the concave part of the other-gear shifting rod rotating shaft, when the gear shifting rod touches the shifting fork, the reaction force transmitted to the gear shifting rod by the shifting fork or the reaction force is transmitted to the two-gear shifting rod rotating shafts through the gear shifting rod, so that the force transmitted by the shifting fork is dispersed to each part, the part corresponding to the gear shifting rod in contact with the shifting fork is stressed less, the possibility of shaking and gear punching is lower, the structural stability of the gear shifting fork is maintained, and the service life of the gear shifting fork is prolonged. The fixing parts of the shift blocking rods are contacted with each other so as to limit the position of the other shift blocking rod through the shift blocking rods, and the axial position of the shift blocking rods along the rotating shaft of the shift blocking rods is limited without adopting other parts such as snap springs and the like, so that the structure of the invention is more compact. The abdicating groove is used for reducing the contact area between the two shift levers and also used for storing oil so as to reduce the contact friction between the two shift levers; the lubricating oil in the abdicating groove can be contacted with the convex part and the concave part so as to reduce the friction resistance when the shift lever rotates as much as possible.
The invention has the advantages of simple structure, capability of buffering and damping the gear in the gearbox, prolonging the service life of the gearbox and ensuring the normal use of the gearbox.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is a schematic structural diagram of embodiment 2
FIG. 3 is a schematic structural view of the transmission member, the coupling, the elastic buffer block and the shift lever rotating shaft shown in FIG. 1;
FIG. 4 is a schematic view of one construction of the coupling of the present invention;
fig. 5 is a schematic structural view of a linking portion of a rotation shaft of the shift lever according to embodiment 1;
FIG. 6 is a schematic structural diagram of an elastic buffer block according to the present invention;
FIG. 7 is a schematic view of the structure of a transmission member according to embodiment 2;
FIG. 8 is a schematic structural view of the deflector rod rotating shaft, the elastic buffer block and the coupling in accordance with embodiment 2;
FIG. 9 is a schematic structural view of the engaging structure of the deflector rod rotating shaft, the transmission member, the elastic buffer block and the coupling in accordance with embodiment 2;
FIG. 10 is a schematic structural view of example 3;
fig. 11 is an enlarged view of fig. 10 at the concave and convex portions.
Detailed Description
The invention is further described below with reference to the figures and specific embodiments.
Example 1
As shown in fig. 1, the swing arm type gear shift driving mechanism for an AMT gearbox of an electric vehicle of the present invention includes a driving motor 1, a transmission member 2 for receiving a torque of the driving motor 1, and a shift lever rotating shaft 3 linked with a shift lever 4, wherein an output shaft 10 of the driving motor 1 is provided with a starting gear 11, and a circumferential outer wall of the transmission member 2 is provided with a tooth structure 20 for meshing with the starting gear 11.
As shown in fig. 1 and 3, a linkage gap is provided between the transmission element 2 and the shift lever blocking rotating shaft 3, first protrusions 31 are provided in the linkage gap and spaced from the shift lever blocking rotating shaft 3, the transmission element 2 and the shift lever blocking rotating shaft 3 are connected by a coupling 5, the coupling 5 is provided with an elastic buffer block 6, and the elastic buffer block 6 has a plurality of radial buffer portions 61 which can be matched between the adjacent first protrusions 31 in the linkage gap.
The driving medium 2 and the driving lever stopping rotating shaft 3 are sleeved with each other, the elastic buffer block 6 is composed of a buffer block ring part 62 which is arranged in an annular shape and a radial buffer part 61 which is fixed on the buffer block ring part 62, the elastic buffer block 6 is sleeved between the driving medium 2 and the driving lever stopping rotating shaft 3, and the coupler 5 is located on the axial side of the elastic buffer block 6. Wherein the elastic buffer block 6 is made of rubber.
As shown in fig. 1, 3 and 5, a linkage portion 30 is disposed at an end of the shift lever rotating shaft 3 deviating from the shift lever 4, the linkage portion 30 is sleeved on an outer circumferential side of an end portion of the transmission member 2, the coupling 5 is fixed to the transmission member 2, and three first protrusions 31 are circumferentially and uniformly spaced and arranged on an inner circumferential side of the linkage portion 30 of the shift lever rotating shaft 3, wherein the first protrusions are annularly and uniformly spaced and centered on an axis of the shift lever rotating shaft 3. Wherein, the linkage part 30 is provided with a sinking groove 35 for abdicating the locking screw 50.
As shown in fig. 6, the radial buffer portions 61 are located on the circumferential outer side of the buffer block ring portion 62, two adjacent radial buffer portions 61 are formed with second positioning grooves 64 for matching with the first convex bodies, first positioning grooves 63 are formed in the radial buffer portions 61, and the three first positioning grooves 63 are uniformly spaced in an annular shape with the axis of the elastic buffer block 6 as the center.
As shown in fig. 1, 3 and 4, the middle part of the coupler 5 is provided with a coupler ring part 51 extending to the side far away from the coupler 5, the middle hole penetrates through the coupler ring part 51, the buffer block ring part 62 is sleeved on the circumferential outer side of the coupler ring part 51, and the coupler ring part 51 is sleeved and fixed on the circumferential outer side of the rotating shaft at the end part of the transmission part 2. The coupler 5 is provided with three second protrusions 52 which can be matched in the first positioning groove 63, the three second protrusions 52 are arranged at uniform intervals in an annular shape with the axis of the coupler ring part 51 as the center, and the second protrusions 52 and the coupler ring part 51 are both located on the same side of the coupler. Wherein, the shape of the inner edge of the cross section of the middle hole 51 at the joint ring part 51 is the same as the shape of the outer edge of the cross section of the end part of the transmission piece 2. Wherein, the shaft coupling can also adopt the key cooperation to link with driving medium 2.
The middle part of the transmission part 2 is provided with a first threaded hole with an opening along the axial direction, the position of the deviation end part of the transmission part 2 is provided with a boss 21, the coupling 5 is sleeved on the end part of the transmission part 2 with the first threaded hole, the locking screw 50 is in threaded fit with the first threaded hole at the end part of the transmission part 2, and the coupling 5 is limited between the head of the locking screw 50 and the boss 21.
Example 2
As shown in fig. 2, 8 and 9, the embodiment of the invention discloses another swing-arm type gear shifting driving mechanism for an AMT gearbox of an electric vehicle, and the swing-arm type gear shifting driving mechanism for the AMT gearbox of the electric vehicle comprises a driving motor 1, a transmission piece 2 for receiving the torque of the driving motor 1, and a shift lever rotating shaft 3 linked with a shift lever 4, wherein a starting gear is arranged on an output shaft 10 of the driving motor 1.
As shown in fig. 7, one end of the transmission member 2 is linked with the shift lever rotating shaft 3, the other end of the transmission member 2 extends towards the side far away from the shift lever rotating shaft 3 and is formed with an arc-shaped groove 23 which gives way to the starting gear, the transmission member 2 is sleeved on the outer side of the starting gear, a tooth structure 20 used for being meshed with the starting gear is arranged on the inner wall of the arc-shaped groove 23 far away from the shift lever rotating shaft 3, and the circle center of the arc-shaped groove 23 is located on the axis of the shift lever.
As shown in fig. 6 to 9, a linkage gap is provided between the transmission element 2 and the shift lever blocking rotating shaft 3, first protrusions 31 fixed to the transmission element 2 are provided in the linkage gap, the transmission element 2 and the shift lever blocking rotating shaft 3 are connected to each other through a coupling 5, an elastic buffer block 6 is provided in each shaft coupling 5 toward the side, and each elastic buffer block 6 has a plurality of radial buffer portions 61 capable of being fitted between adjacent first protrusions 31 in the linkage gap.
As shown in fig. 7 and 9, a through hole 27 for the driving lever shaft 3 to pass through is formed in the middle of the driving member 2, the driving member 2 has a matching groove 28 and is sleeved on the circumferential outer side of the end portion of the driving lever shaft 3, the matching groove 28 and the through hole 27 are coaxially arranged, the elastic buffer block 6 is composed of a buffer block ring portion 62 arranged in an annular shape and a radial buffer portion 61 fixed on the buffer block ring portion 62, the elastic buffer block 6 is sleeved between the driving member 2 and the driving lever shaft 3, and the coupler 5 is located on the axial side of the elastic buffer block 6 and fixed with the driving lever shaft 3. Wherein, the cooperation inslot of driving medium 2 is fixed with first convex body 31, and radial buffering portion 61 is located the buffering piece ring portion 62 circumference outside, and three first convex body 31 is the even interval setting of annular that uses the axis of driving medium 2 as the center.
As shown in fig. 6, the radial buffer portions 61 are located on the circumferential outer side of the buffer block ring portion 62, two adjacent radial buffer portions 61 are formed with second positioning grooves 64 for matching with the first convex bodies, first positioning grooves 63 are formed in the radial buffer portions 61, and the three first positioning grooves 63 are uniformly spaced in an annular shape with the axis of the elastic buffer block 6 as the center.
As shown in fig. 4 and 8, a coupler ring portion 51 is disposed in the middle of the coupler 5 and a central hole penetrating through the coupler 5 and the coupler ring portion 51 is formed in the middle of the coupler 5, the buffer block ring portion 62 is sleeved on the outer side of the coupler ring portion 51 in the circumferential direction, and the coupler ring portion 51 is sleeved and fixed on the outer side of the end portion of the shift lever shaft 3 in the circumferential direction. The coupler 5 is provided with three second convex bodies 52 which can be matched in the first positioning groove 63, the three second convex bodies 52 are arranged at uniform intervals in an annular shape with the axis of the coupler ring part 51 as the center, and the second convex bodies 52 and the coupler ring part 51 are both positioned on the same side of the coupler.
As shown in fig. 7 to 9, an annular groove 36 is formed on the circumferential outer wall of the end of the shift lever blocking rotating shaft 3, a limiting table 38 extending to the circumferential outer side is arranged in the middle of the shift lever blocking rotating shaft 3, and after the transmission member 2, the elastic buffer block 6 and the coupler 5 are sequentially sleeved on the shift lever blocking rotating shaft 3, a snap spring is matched in the annular groove 36, so that the coupler 5 is limited between the limiting table 38 and the snap spring or between the bottom of the matching groove and the snap spring. Wherein, a large through hole 27 can be made, so that the inner diameter of the through hole 27 is larger than the outer diameter of the coupling ring part 51.
Example 3
As shown in fig. 10 and fig. 11, the embodiment discloses a swing arm type gear shifting driving mechanism suitable for a three-gear and four-gear transmission case, which comprises a case 100, a transmission member 2, a shift lever rotating shaft 3 and a shift lever 4 are both located in the case 100, two transmission members 2 are arranged in the case 100, two shift lever rotating shafts 3 and two shift levers 4 are arranged, the two transmission members 2 respectively receive the torque of a driving motor 1, the two transmission members 2 are respectively linked with one shift lever rotating shaft 3, the two shift lever rotating shafts 3 are coaxially arranged, the two shift lever rotating shafts 3 are independent and not linked, and the end parts of the two shift lever rotating shafts 3 adjacent to each other are formed with a concave part 301 and a convex part 302 which are mutually matched, the convex part 302 extends into the concave part 301, and the groove wall formed by the concave part 301 is in clearance.
The two driving motors 1 are located at the left end and the right end of the box 100 and fixed with the box, and the shift lever rotating shaft 3 is fixed with the box through a bearing 303.
The two-gear shifting lever 4 is provided with a fixed part 41 fixed with the gear shifting lever rotating shaft 3 and a shifting part 42 used for shifting a shifting fork, the shifting part 42 of the two-gear shifting lever 4 is not in contact with each other, the fixed parts 41 of the two-gear shifting lever are attached to each other, a correspondingly corresponding and communicated abdicating groove 44 is formed on the end surface of each two adjacent fixed parts 41, lubricating oil is arranged in the abdicating groove 44, and the abdicating groove 44 is annular and surrounds the circumferential outer side of the gear shifting lever rotating shaft 3.
The invention has the advantages of simple structure, capability of buffering and damping the gear in the gearbox, prolonging the service life of the gearbox and ensuring the normal use of the gearbox.
Claims (10)
1. A rotary arm type gear shifting driving mechanism for an AMT (automated mechanical transmission) gearbox of an electric vehicle is characterized by comprising a driving motor, a transmission piece and a shift lever blocking rotating shaft, wherein the transmission piece is used for receiving torque of the driving motor, the shift lever blocking rotating shaft is linked with the shift lever blocking rotating shaft, a starting gear is arranged on an output shaft of the driving motor, and the transmission piece is provided with a tooth structure which is used for being meshed with the starting gear.
2. The swing-arm type gearshift driving mechanism according to claim 1 wherein one end of the transmission member is linked to the shift lever rotating shaft, the other end of the transmission member extends away from the shift lever rotating shaft and forms an arc-shaped slot for stepping off the starting gear, the transmission member is sleeved on the outside of the starting gear, the inner wall of the arc-shaped slot is provided with a tooth structure for engaging with the starting gear, and the center of the arc-shaped slot is located on the axis of the shift lever rotating shaft.
3. The swing-arm type shift drive mechanism according to claim 2, wherein said teeth are formed on an inner wall of said arc-shaped groove on a side away from a rotation shaft of said shift lever.
4. The swing-arm type gearshift driving mechanism according to claim 1 wherein a linkage space is provided between the driving member and the shift lever shaft, the linkage space having a plurality of first protrusions spaced from the driving member or the shift lever shaft, the driving member and the shift lever shaft being coupled by a coupling, the coupling having an elastic buffer block, the elastic buffer block having a plurality of radial buffers engageable between adjacent first protrusions of the linkage space.
5. The swing-arm type gearshift driving mechanism according to claim 4 wherein the driving member and the shift lever shaft are sleeved with each other, the elastic buffer block is composed of a buffer block ring portion and a radial buffer portion, the buffer block ring portion is disposed in an annular shape, the radial buffer portion is fixed on the buffer block ring portion, the elastic buffer block is sleeved between the driving member and the shift lever shaft, and the shaft coupling is located at an axial side of the elastic buffer block.
6. The swing-arm type gearshift driving mechanism according to claim 5, wherein the transmission member is sleeved on a circumferential outer side of the shift lever rotating shaft, the coupling is fixed to the shift lever rotating shaft, the first protrusion is fixed to a circumferential inner side of the transmission member, and the radial buffer portion is located on a circumferential outer side of the ring portion of the buffer block;
or the driving lever blocking rotating shaft comprises a thick section and a thin section, the thick section forms a linkage groove and is sleeved on the circumferential outer side of the transmission part, the thin section is used for being linked with the driving lever blocking, the coupler is fixed with the transmission part, the inner side of the linkage groove of the thick section of the driving lever blocking rotating shaft is fixed with the first convex body, and the radial buffering part is located on the circumferential outer side of the ring part of the buffering block.
7. The swing-arm type shift drive mechanism according to claim 6, wherein the first protrusions are uniformly spaced around the axis of the rotation shaft of the shift lever.
8. The swing-arm type shift driving mechanism according to claim 4, 5 or 6, wherein the radial buffer portion has a plurality of first positioning slots spaced apart from each other, and the coupling has a second protrusion engageable with the first positioning slots.
9. The swing-arm type gearshift driving mechanism of claim 5 or 6 wherein the middle portion of the shaft coupler has a ring portion of the shaft coupler, the ring portion of the buffer block is disposed on the circumferential outer side of the ring portion of the shaft coupler, and the ring portion of the shaft coupler is disposed and fixed on the circumferential outer side of the transmission member or the rotation shaft of the shift lever.
10. The swing-arm type gearshift driving mechanism according to claim 1 wherein the driving member, the shift lever rotating shaft and the shift lever are located in a housing, the housing is provided with two driving members, a two-shift lever rotating shaft and a two-shift lever, the two driving members respectively receive a torque of a driving motor, the two driving members are respectively linked with the one-shift lever rotating shaft, the two-shift lever rotating shafts are coaxially arranged, the two-shift lever rotating shafts are independent from each other and are not linked, and the adjacent ends of the two-shift lever rotating shafts are formed with a concave portion and a convex portion which are engaged with each other, the convex portion extends into the concave portion; the groove wall formed by the concave part is in clearance fit with the outer surface of the convex part; the two-gear shifting lever is provided with a fixed part fixed with the shifting lever rotating shaft and a shifting part used for shifting a shifting fork, the shifting part of the two-gear shifting lever is not contacted with each other, and the fixed part of the two-gear shifting lever is attached to the fixed part of the two-gear shifting lever; the end faces of the two fixing parts, which are close to each other, are provided with corresponding and communicated yielding grooves, lubricating oil is arranged in the yielding grooves, and the yielding grooves are annular and surround the circumferential outer side of the rotating shaft of the shift lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640767.2A CN112728072B (en) | 2020-12-31 | 2020-12-31 | Swing arm type gear shifting driving mechanism for AMT (automated mechanical transmission) gearbox of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011640767.2A CN112728072B (en) | 2020-12-31 | 2020-12-31 | Swing arm type gear shifting driving mechanism for AMT (automated mechanical transmission) gearbox of electric vehicle |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520433Y (en) * | 2001-12-07 | 2002-11-13 | 罗锦发 | Speed reducer |
| CN102205850A (en) * | 2010-03-31 | 2011-10-05 | 日立汽车系统株式会社 | Power steering apparatus |
| CN103423395A (en) * | 2012-05-17 | 2013-12-04 | 上海名优办公设备有限公司 | Transmission mechanism of perforating machine |
| CN204300340U (en) * | 2014-12-11 | 2015-04-29 | 东风汽车公司 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
| JP2015113051A (en) * | 2013-12-13 | 2015-06-22 | 日立オートモティブシステムズステアリング株式会社 | Power steering device |
| CN205311340U (en) * | 2015-12-31 | 2016-06-15 | 东风汽车公司 | Electronic shift system of electronic car |
| CN106917829A (en) * | 2015-12-24 | 2017-07-04 | 宁波卡帝亚电器有限公司 | A kind of yielding coupling |
| CN107061714A (en) * | 2017-06-19 | 2017-08-18 | 吉林大学 | A kind of electric car keeps off AMT gear shifting actuating mechanisms with four |
| CN108953590A (en) * | 2018-08-17 | 2018-12-07 | 清华大学 | A kind of double shift motor executing agencies for mechanical automatic gearbox |
| CN109838552A (en) * | 2019-04-17 | 2019-06-04 | 重庆青山工业有限责任公司 | Two gear pure electric automobile shifter of transmission and process for gear |
| CN110312882A (en) * | 2017-02-07 | 2019-10-08 | 雷诺股份公司 | Motion transfering device for shift actuator |
| CN112049925A (en) * | 2020-08-17 | 2020-12-08 | 广汽零部件有限公司 | Axle-hung type automobile drive-by-wire gear shifting actuator and automobile gear shifting system |
| CN112728073A (en) * | 2020-12-31 | 2021-04-30 | 安徽骏瑞新能源科技有限公司 | AMT gearbox gear shifting driving mechanism with buffering function |
-
2020
- 2020-12-31 CN CN202011640767.2A patent/CN112728072B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2520433Y (en) * | 2001-12-07 | 2002-11-13 | 罗锦发 | Speed reducer |
| CN102205850A (en) * | 2010-03-31 | 2011-10-05 | 日立汽车系统株式会社 | Power steering apparatus |
| CN103423395A (en) * | 2012-05-17 | 2013-12-04 | 上海名优办公设备有限公司 | Transmission mechanism of perforating machine |
| JP2015113051A (en) * | 2013-12-13 | 2015-06-22 | 日立オートモティブシステムズステアリング株式会社 | Power steering device |
| CN204300340U (en) * | 2014-12-11 | 2015-04-29 | 东风汽车公司 | Electronic-controlled electromatic AMT gear-selecting and shifting executing mechanism assembly |
| CN106917829A (en) * | 2015-12-24 | 2017-07-04 | 宁波卡帝亚电器有限公司 | A kind of yielding coupling |
| CN205311340U (en) * | 2015-12-31 | 2016-06-15 | 东风汽车公司 | Electronic shift system of electronic car |
| CN110312882A (en) * | 2017-02-07 | 2019-10-08 | 雷诺股份公司 | Motion transfering device for shift actuator |
| CN107061714A (en) * | 2017-06-19 | 2017-08-18 | 吉林大学 | A kind of electric car keeps off AMT gear shifting actuating mechanisms with four |
| CN108953590A (en) * | 2018-08-17 | 2018-12-07 | 清华大学 | A kind of double shift motor executing agencies for mechanical automatic gearbox |
| CN109838552A (en) * | 2019-04-17 | 2019-06-04 | 重庆青山工业有限责任公司 | Two gear pure electric automobile shifter of transmission and process for gear |
| CN112049925A (en) * | 2020-08-17 | 2020-12-08 | 广汽零部件有限公司 | Axle-hung type automobile drive-by-wire gear shifting actuator and automobile gear shifting system |
| CN112728073A (en) * | 2020-12-31 | 2021-04-30 | 安徽骏瑞新能源科技有限公司 | AMT gearbox gear shifting driving mechanism with buffering function |
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| CN112728072B (en) | 2023-03-14 |
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