A self-adaptive positioning and clamping mechanism for the outer circle of the transmission front housing

Abstract

The present invention relates to the field of transmission accessories processing, and specifically to an adaptive positioning and clamping mechanism for the outer circle of a transmission front housing, comprising a base, a mounting plate installed on the top of the base by bolts, a first clamping assembly and a second clamping assembly provided on the top of the mounting plate, and two first clamping assemblies provided; a transmission front housing body is provided on the top of the mounting plate; the present invention realizes dual-mode adaptive adjustment of side clamping and hole clamping by cooperating with an adjustable adaptive clamping unit and a hole clamping unit, and adopts a multi-component linkage of screw drive, hydraulic linkage and sensor and PLC collaborative control to solve the problems in the prior art that the positioning and clamping mechanism of the transmission front housing is non-standard and customized, resulting in poor versatility and unable to meet the limit clamping requirements of workpieces of different sizes and models, and a single clamping method is difficult to cope with workpieces with complex shapes, and is prone to workpiece offset and material stripping under non-clamped side working conditions, affecting processing accuracy and production safety.

Description

Technical Field

[0001] The invention relates to the field of transmission accessory processing, and in particular to a transmission front housing outer circle adaptive positioning and clamping mechanism. Background Art

[0002] A special-shaped fixture for assembling the front housing of a transmission with application number CN202221600469.5 comprises a flat plate, a left connecting plate, a right connecting plate, a positioning plate and a clamping mechanism, wherein the left connecting plate and the right connecting plate are fixed on the flat plate in sequence from left to right, the positioning plate is located between the left connecting plate and the right connecting plate, and its left and right sides are respectively connected to the left connecting plate and the right connecting plate by rotating shafts, a flip handle is provided on the right side of the right connecting plate, wherein the flip handle and the right side of the positioning plate share the same rotating shaft to be connected to the right connecting plate, and a plurality of clamping mechanisms for clamping the front housing of the transmission are fixed above the positioning plate; the invention is used for subassembly of the front housing during the assembly process of the DCT transmission, which facilitates the positioning, clamping and multi-faceted assembly of the front housing, thereby improving assembly efficiency, process quality and the effect after assembly.

[0003] In the existing technologies including the above-mentioned patents, the positioning and clamping mechanisms of the transmission front housing are mostly non-standard customized designs, which makes the equipment less versatile and unable to meet the outer circle limit clamping requirements of transmission front housings of different sizes and models; a single clamping method cannot cope with workpieces with complex shapes, especially when the workpiece has no clamping side, it is difficult to achieve stable fixation, resulting in frequent workpiece offset and material stripping during the processing process, seriously affecting the processing accuracy and production safety.

[0004] Therefore, it is necessary to invent a transmission front housing outer circle adaptive positioning clamping mechanism to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide an adaptive positioning and clamping mechanism for the outer circle of a transmission front housing, which realizes dual-mode adaptive adjustment of side clamping and hole clamping through the cooperation of an adjustable adaptive clamping unit and a hole clamping unit, and adopts a multi-component linkage of screw drive, hydraulic linkage and sensor and PLC collaborative control to solve the problems in the prior art that the positioning and clamping mechanism of the transmission front housing is non-standard and customized, resulting in poor versatility and inability to meet the limit clamping requirements of workpieces of different sizes and models, and a single clamping method is difficult to cope with workpieces with complex shapes, and is prone to workpiece offset and material stripping under non-clamped side working conditions, affecting processing accuracy and production safety.

[0006] In order to achieve the above object, the present invention provides the following technical solutions:

[0007] A transmission front housing outer circle adaptive positioning clamping mechanism comprises a base, a mounting plate is mounted on the top of the base via bolts, a first clamping assembly and a second clamping assembly are provided on the top of the mounting plate, and the first clamping assembly is provided with two;

[0008] The top of the mounting plate is provided with a transmission front housing body, one end of the first clamping assembly and the second clamping assembly are both arranged to abut against the outer side of the transmission front housing body, the top of the mounting plate is provided with a bracket, and a sliding unit is slidably provided on the bracket;

[0009] The bottom end of the sliding unit is rotatably provided with a rotating seat, the bottom end of the rotating seat is slidably provided with a plurality of adaptive clamping units, and the bottom end of the rotating seat is telescopically provided with a hole clamping unit;

[0010] The top end of the rotating seat is rotatably mounted on the power output shaft of the sliding unit, and the bottom end of the rotating seat is provided with a plurality of slide grooves, the inner cavities of the plurality of slide grooves are provided with screws, and the other ends of the plurality of screws are connected to servo motors;

[0011] The adaptive clamping unit includes an adjusting block, which is threadedly connected to the lead screw and is located in the inner cavity of the slide groove. The bottom end of the adjusting block is provided with a first-level telescopic arm, the bottom end of the first-level telescopic arm is telescopically provided with a second-level telescopic arm, the bottom end of the second-level telescopic arm is telescopically provided with a third-level telescopic arm, the bottom end of the third-level telescopic arm is hinged with a movable connecting piece, and both ends of the movable connecting piece are hinged with clamping claws;

[0012] The hole clamping unit includes a clamping rod body, a telescopic column body is provided at the bottom end of the clamping rod body, a plurality of annular grooves are provided on the outer wall of the telescopic column body, and the inner cavities of the grooves are movably connected to arc-shaped clamping pieces, one end of the arc-shaped clamping piece is arranged in an arc shape, and an anti-slip groove is provided on the side wall of the arc-shaped end of the arc-shaped clamping piece;

[0013] The inner cavity of the clamping rod body is provided with a hydraulic telescopic rod, the tail end of the hydraulic telescopic rod is provided with a linkage push block, and the outer side wall of the linkage push block is hinged to multiple arc-shaped clamping pieces through an arc-shaped connecting rod.

[0014] As a preferred solution of the present invention, a positioning base is provided at the top of the mounting plate, a plurality of slots arranged in an array are provided at the top of the positioning base, a placement slot is provided at the center of the top of the positioning base, the inner rotation of the placement slot is connected to a rotating table, and the transmission front housing body is located at the top of the rotating table.

[0015] As a preferred embodiment of the present invention, the first clamping assembly includes a first driving device, the first driving device is disposed at the top end of the mounting plate, a first transmission rod is provided on a power output shaft of the first driving device, a first abutting block is provided at the other end of the first transmission rod, and the first abutting block abuts against a side wall of the transmission front housing body;

[0016] A plurality of slots arranged in an array are provided on one side of the first pressing block;

[0017] The second clamping assembly includes a second driving device, the bottom end of the second driving device is arranged at the top of the mounting plate, the power output shaft of the second driving device is provided with a second transmission rod, and the other end of the second transmission rod is provided with a second clamping block, and one side of the second clamping block is in contact with the side wall of the front housing body of the transmission.

[0018] As a preferred solution of the present invention, two position sensors are provided on the inner side wall of the bracket, and one end of the two position sensors faces the transmission front housing body.

[0019] In the above technical solution, compared with the prior art, the technical effects and advantages provided by the present invention are as follows:

[0020] 1. Through the coordination of the adjustable adaptive clamping unit and the different clamping modes of the hole clamping unit, dual-mode adaptive adjustment of side clamping and hole clamping can be achieved according to the different sizes and appearance characteristics of the front case of the transmission, which effectively solves the problem of poor versatility of non-standard customized equipment and meets the limit clamping needs of workpieces of different models. Through the multi-component linkage of screw drive, hydraulic linkage and sensor and PLC collaborative control, the response speed is improved and energy consumption is reduced. It ensures that the workpiece can still be stably fixed under conditions such as complex shapes and no clamping sides, avoiding offset and stripping during processing, and greatly improving processing accuracy and production safety. Through the coordinated control of sensors and PLC, the degree of automation is improved. The operator only needs to input basic parameters such as the workpiece model, and the equipment can automatically complete the whole process adjustment of positioning and clamping. There is no need for complicated manual debugging and intervention, which reduces the requirements for the operator's technical level and reduces human operation errors, making the processing process more intelligent and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the positional relationship between the adaptive clamping unit and the hole clamping unit of the present invention;

[0024] Figure 3 This is a schematic structural diagram of the second clamping assembly of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the clamping rod and the telescopic column of the present invention;

[0026] Figure 5 It is a schematic structural diagram of the first transmission rod and the first abutting block of the present invention;

[0027] Figure 6 It is a schematic diagram of the three-dimensional structure of the adaptive clamping unit of the present invention;

[0028] Figure 7 This is a schematic cross-sectional structural diagram of the adaptive clamping unit of the present invention;

[0029] Figure 8 This is a schematic structural diagram of the hole clamping unit of the present invention;

[0030] Figure 9 This is a schematic cross-sectional view of the hole clamping unit of the present invention;

[0031] Figure 10 It is a schematic structural diagram of the turntable of the present invention.

[0032] Description of reference numerals:

[0033] 01. Transmission front housing; 1. Base; 2. Mounting plate; 3. Bracket; 31. Sliding unit; 4. Rotating seat; 5. Adaptive clamping unit; 6. Hole clamping unit; 7. Linkage push block; 8. Position sensor; 201. Positioning base; 21. First clamping assembly; 22. Second clamping assembly;

[0034] 211, first driving device; 212, first transmission rod; 213, first abutting block; 221, second driving device; 222, second transmission rod; 223, second abutting block;

[0035] 51. Adjustment block; 52. First-stage telescopic arm; 53. Second-stage telescopic arm; 54. Third-stage telescopic arm; 55. Active connector; 56. Clamping claw;

[0036] 61. Clamping rod; 62. Telescopic column; 63. Arc-shaped clamping piece. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] The present invention provides Figures 1-10The shown embodiment is a transmission front housing outer circle adaptive positioning and clamping mechanism, comprising a base 1, a mounting plate 2 is mounted on the top of the base 1 by bolts, a first clamping assembly 21 and a second clamping assembly 22 are provided on the top of the mounting plate 2, and two first clamping assemblies 21 are provided; a transmission front housing body 01 is provided on the top of the mounting plate 2, one end of the first clamping assembly 21 and the second clamping assembly 22 are jointly arranged to abut against the outer side of the transmission front housing body 01, a bracket 3 is provided on the top of the mounting plate 2, a sliding unit 31 is slidably provided on the bracket 3; a rotating seat 4 is rotatably provided at the bottom end of the sliding unit 31, a plurality of adaptive clamping units 5 are slidably provided at the bottom end of the rotating seat 4, and a hole clamping unit 6 is retractable at the bottom end of the rotating seat 4; the base 1, the mounting plate 2 and the bracket 3 The cooperation of multiple components such as the first clamping component 21, the second clamping component 22, the adaptive clamping unit 5 and the hole clamping unit 6 can build a multi-dimensional positioning and clamping system. Through the two first clamping components 21, the second clamping component 22, the adaptive clamping unit 5 and the hole clamping unit 6, it can adapt to the front shell body 01 of the transmission with different shapes, solve the problem of poor versatility of traditional equipment, and achieve precise positioning and stable clamping of various types of workpieces; furthermore, the top end of the rotating seat 4 is rotatably installed on the power output shaft of the sliding unit 31, and the bottom end of the rotating seat 4 is provided with multiple slide grooves, the inner cavities of the multiple slide grooves are provided with screws 41, and the other ends of the multiple screws 41 are connected to servo motors 42; the rotating seat 4 cooperates with the screw 41 and the servo motor 42 to realize the precise adjustment of the horizontal position and rotational movement of the adaptive clamping unit 5, so that the clamping unit can quickly adapt to different The same-size workpieces can be processed to improve the processing efficiency and adaptability of the equipment to non-standard workpieces; the adaptive clamping unit 5 includes an adjusting block 51, which is threadedly connected to the lead screw 41, and the adjusting block 51 is located in the inner cavity of the slide groove. The bottom end of the adjusting block 51 is provided with a first-level telescopic arm 52, and the bottom end of the first-level telescopic arm 52 is telescopically provided with a second-level telescopic arm 53, and the bottom end of the second-level telescopic arm 53 is telescopically provided with a third-level telescopic arm 54, and the bottom end of the third-level telescopic arm 54 is hinged with a movable connecting member 55, and both ends of the movable connecting member 55 are hinged with clamping claws 56; the design of the adjusting block 51, the first-level telescopic arm, the second-level telescopic arm 53, the third-level telescopic arm 54 and the articulated clamping claw 56 of the adaptive clamping unit 5 can automatically adjust the clamping posture according to the shape of the workpiece, so as to achieve the clamping of irregular-shaped workpieces. Tight fit and firm clamping broaden the scope of application of the equipment; the hole clamping unit 6 includes a clamping rod body 61, a telescopic column 62 is provided at the bottom end of the clamping rod body 61, and a plurality of annular grooves are provided on the outer wall of the telescopic column 62, and the inner cavity of the groove is movably connected with an arc-shaped clamping piece 63, one end of the arc-shaped clamping piece 63 is arranged in an arc shape, and an anti-slip groove is provided on the side wall of one end of the arc-shaped setting of the arc-shaped clamping piece 63; the clamping rod body 61, telescopic column 62 and arc-shaped clamping piece 63 of the hole clamping unit 6, for the transmission front housing body 01 without a clamping side, the telescopic column 62 is used to penetrate the workpiece hole, and the arc-shaped clamping piece 63 is used to expand and clamp the hole, and the anti-slip groove enhances the clamping force, providing a reliable fixing solution for special workpieces and ensuring processing stability;The inner cavity of the clamping rod body 61 is equipped with a hydraulic telescopic rod, and the tail end of the hydraulic telescopic rod is equipped with a linkage push block 7. The outer wall of the linkage push block 7 is hingedly connected to multiple arc-shaped clamping pieces 63 via an arc-shaped connecting rod. The hydraulic telescopic rod inside the clamping rod body 61 cooperates with the linkage push block 7 and the arc-shaped connecting rod to achieve synchronous and stable expansion and contraction of the arc-shaped clamping pieces 63. Compared with traditional structures, the action response is faster and the clamping force is more uniform, improving the reliability and working efficiency of the hole clamping unit 6.

[0039] Furthermore, a positioning base 201 is provided at the top of the mounting disk 2, and a plurality of slots arranged in an array are provided at the top of the positioning base 201. A placement slot is provided at the center of the top of the positioning base 201, and the inner rotation of the placement slot is connected to a turntable, and the transmission front housing body 01 is located at the top of the turntable; the slot and turntable design of the positioning base 201 on the mounting disk 2 provide initial precise positioning for the transmission front housing body 01, and facilitate flexible adjustment of the workpiece angle according to processing requirements, thereby improving the convenience and accuracy of processing.

[0040] Furthermore, the first clamping assembly 21 includes a first driving device 211, the first driving device 211 is arranged at the top of the mounting plate 2, the power output shaft of the first driving device 211 is provided with a first transmission rod 212, the other end of the first transmission rod 212 is provided with a first tightening block 213, the first tightening block 213 is in contact with the side wall of the transmission front housing body 01; a plurality of slots arranged in an array are provided on one side of the first tightening block 213; the second clamping assembly 22 includes a second driving device 221, the bottom end of the second driving device 221 is provided at the top of the mounting plate 2, the power output shaft of the second driving device 221 is provided with a first There are two transmission rods 222, and the other end of the second transmission rod 222 is provided with a second clamping block 223, and one side of the second clamping block 223 is in contact with the side wall of the transmission front housing body 01; the first driving device 211, the first transmission rod 212 and the first clamping block 213 of the first clamping assembly 21, and the second driving device 221, the second transmission rod 222 and the second clamping block 223 of the second clamping assembly 22 are combined to apply clamping force to the transmission front housing body 01 from both sides. The clamping grooves of the first clamping block 213 and the second clamping block 223 increase the contact friction force, ensuring that the workpiece is stable and not offset during processing, thereby improving the processing quality.

[0041] Furthermore, two position sensors 8 are provided on the inner wall of the bracket 3, with one end of the two position sensors 8 facing the transmission front housing body 01; the position sensors 8 on the bracket 3 monitor the placement, clamping and rotation status of the transmission front housing body 01 in real time, provide data support for the control system, realize automatic and precise adjustment, reduce manual intervention, reduce the risk of operational errors, and improve processing accuracy and production safety.

[0042] Working principle:

[0043] The front housing body 01 of the transmission has a clamping method for clamping the side: first, the front housing body 01 of the transmission is placed on the top of the mounting plate 2, and the placement state of the front housing body 01 is observed by the position sensor 8. At this time, the servo motor at the corresponding position is started to drive the screw to rotate, and the interaction between the threads is coordinated to drive the adjustment block 51 to move horizontally on the screw, and the entire adaptive clamping unit 5 is driven to move synchronously through the adjustment block 51. When the movement reaches the point where the clamping claw 56 corresponds to the side of the front housing body 01 of the transmission, the first-level telescopic arm 52 is started, and the second-level telescopic arm 53 is pushed to extend by the first-level telescopic arm 52, and the third-level telescopic arm 54, the movable connecting member 55 and the clamping claw 56 are driven to approach the side of the front housing body 01 of the transmission. At this time, the second-level telescopic arm 53 is started to pull the movable connecting member 55, so that the movable connecting member 55 drives the clamping claw 56 to close, thereby clamping the side of the front housing body 01 of the transmission;

[0044] It should be noted that during this clamping process, personnel can observe the clamping state through the position sensor 8 and start the servo motor at the corresponding position through the PLC control device, thereby adjusting the position of the adaptive clamping unit 5 according to different models and styles of the transmission front housing body 01, so that the adaptive clamping unit 5 can clamp any model of the transmission front housing body 01;

[0045] After adjusting the multiple adaptive clamping units 5 to clamp the side walls of the transmission front housing body 01 at the same time, the sliding unit 31 is started, and the rotating seat 4 is driven to rotate by the sliding unit 31. At this time, the rotating seat 4 drives the multiple adaptive clamping units 5 to rotate synchronously. When the multiple adaptive clamping units 5 rotate, the transmission front housing body 01 is driven to rotate. The rotation can be observed by the position sensor 8 for adjustment, and the first clamping assembly 21 and the second clamping assembly 22 are started. The first driving device 211 drives the first transmission rod 212 to slowly extend and push the first clamping block 213 to approach the transmission front housing body 01. At the same time, the second driving device 221 drives the second transmission rod 222 to extend, and the second transmission rod 222 pushes the second clamping block 223 to approach the direction of the transmission front housing body 01.

[0046] When the adaptive rotation is blocked and stops to jam the transmission front housing body 01, the first driving device 211 and the second driving device 221 are continuously started to apply the clamping force to the transmission front housing body 01 until the clamping is stable, and the multiple adaptive clamping units 5 are used to synchronously clamp the sides of the transmission front housing body 01, so that the entire clamping stability is high, and the material will not be stripped during the clamping process. In addition, the multiple adaptive clamping units 5 can perform adaptive non-standard clamping according to the different models and shapes of the transmission front housing body 01 when clamping the transmission front housing body 01;

[0047] For the clamping method of the transmission front shell body 01 that has no clampable side: when the mold is merged and there is no clamping side wall, when the above-mentioned clamping method cannot perform the clamping rotation adjustment of the edge, the hole clamping unit 6 can be started, and the clamping rod 61 can be used to drive the telescopic column 62 to extend, and the rotating table can be used to drive the transmission front shell body 01 to rotate and the sliding unit 31 to adjust the horizontal position. When the bottom end of the hole clamping unit 6 is located in the hole opened on the transmission front shell body 01, the extended telescopic column 62 passes through the inner cavity of the hole, and the hydraulic telescopic rod is started at this time to push the linkage push block 7. At this time, the linkage push block 7 simultaneously pushes multiple arc-shaped clamping pieces 63 to expand, Now the bottom of the hole is stuck, and the clamping rod 61 drives the telescopic column 62 to contract and drive the transmission front shell body 01 to conflict with the bottom end of the clamping rod 61. At this time, the hole of the transmission front shell body 01 is stuck and fixed, and then the rotating seat 4 is driven to rotate by the bracket 3, and the clamping movement of the first clamping component 21 and the second clamping component 22 is coordinated with the above operation to realize the clamping and fixing of the transmission front shell body 01. In this way, the transmission front shell body 01 can be fixed by passing through the hole on the transmission front shell body 01, and the rotation can be adjusted. After the rotation is adaptively blocked and stops jamming the transmission front shell body 01, the transmission front shell body 01 is clamped.

[0048] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims.

Claims

1. A transmission front housing outer circle adaptive positioning and clamping mechanism, characterized by: It comprises a base (1), a mounting plate (2) is mounted on the top of the base (1) via bolts, a first clamping assembly (21) and a second clamping assembly (22) are provided on the top of the mounting plate (2), and two first clamping assemblies (21) are provided; A transmission front housing body (01) is provided at the top of the mounting plate (2), one end of the first clamping assembly (21) and one end of the second clamping assembly (22) are both arranged to abut against the outer side of the transmission front housing body (01), a bracket (3) is provided at the top of the mounting plate (2), and a sliding unit (31) is slidably provided on the bracket (3); The bottom end of the sliding unit (31) is rotatably provided with a rotating seat (4), the bottom end of the rotating seat (4) is slidably provided with a plurality of adaptive clamping units (5), and the bottom end of the rotating seat (4) is telescopically provided with a hole clamping unit (6); The top end of the rotating seat (4) is rotatably mounted on the power output shaft of the sliding unit (31), and the bottom end of the rotating seat (4) is provided with a plurality of slide grooves, the inner cavities of the plurality of slide grooves are provided with screws, and the other ends of the plurality of screws are connected to servo motors; The adaptive clamping unit (5) includes an adjusting block (51), the adjusting block (51) is threadedly connected to the lead screw, and the adjusting block (51) is located in the inner cavity of the slide groove, the bottom end of the adjusting block (51) is provided with a first-stage telescopic arm (52), the bottom end of the first-stage telescopic arm (52) is telescopically provided with a second-stage telescopic arm (53), the bottom end of the second-stage telescopic arm (53) is telescopically provided with a third-stage telescopic arm (54), the bottom end of the third-stage telescopic arm (54) is hinged with a movable connecting member (55), and both ends of the movable connecting member (55) are hinged with clamping claws (56); The hole clamping unit (6) includes a clamping rod (61), a telescopic column (62) is provided at the bottom end of the clamping rod (61), a plurality of grooves arranged in a ring shape are provided on the outer wall of the telescopic column (62), the inner cavities of the grooves are movably connected with arc-shaped clamping pieces (63), one end of the arc-shaped clamping piece (63) is arranged in an arc shape, and an anti-slip groove is provided on the side wall of the arc-shaped end of the arc-shaped clamping piece (63); The inner cavity of the clamping rod body (61) is provided with a hydraulic telescopic rod, and the tail end of the hydraulic telescopic rod is provided with a linkage push block (7). The outer side wall of the linkage push block (7) and a plurality of arc-shaped clamping pieces (63) are hingedly arranged through an arc-shaped connecting rod.

2. The transmission front housing outer circle adaptive positioning and clamping mechanism according to claim 1, characterized in that: A positioning base (201) is provided at the top of the mounting plate (2), a plurality of slots arranged in an array are provided at the top of the positioning base (201), a placement slot is provided at the center of the top of the positioning base (201), a rotating platform is connected to the inside of the placement slot, and the transmission front housing body (01) is located at the top of the rotating platform.

3. The transmission front housing outer circle adaptive positioning and clamping mechanism according to claim 2, characterized in that: The first clamping assembly (21) includes a first driving device (211), the first driving device (211) is arranged at the top end of the mounting plate (2), the power output shaft of the first driving device (211) is provided with a first transmission rod (212), the other end of the first transmission rod (212) is provided with a first abutting block (213), and the first abutting block (213) abuts against the side wall of the transmission front housing body (01); A plurality of slots arranged in an array are provided on one side of the first pressing block (213); The second clamping assembly (22) includes a second driving device (221), the bottom end of the second driving device (221) is arranged at the top end of the mounting plate (2), the power output shaft of the second driving device (221) is provided with a second transmission rod (222), the other end of the second transmission rod (222) is provided with a second abutting block (223), and one side of the second abutting block (223) is in contact with the side wall of the transmission front housing body (01).

4. The transmission front housing outer circle adaptive positioning and clamping mechanism according to claim 1, characterized in that: Two position sensors (8) are provided on the inner side wall of the bracket (3), with one end of the two position sensors (8) facing the transmission front housing body (01).

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