A side torque device for a swing arm of a vehicle

Abstract

The utility model discloses a side torque equipment for car swing arm, including base, the top of base is provided with recess, the inside rotation of recess is connected with the shaft, the outside fixed connection of shaft has the rotary seat, the fixed mounting of rotary seat has the motor, the output of motor is fixedly connected with the rotary seat, the top of rotary seat is provided with first sliding slot, the inside rotation of first sliding slot is connected with first two -way screw rod, the outside symmetrical thread connection of first two -way screw rod has two first sliding seat, two first sliding seat all with first sliding slot sliding cooperation, the top of two first sliding seat all is fixedly connected with first clamping plate, the top of rotary seat is provided with with first sliding slot perpendicular second sliding slot, the inside rotation of second sliding slot is connected with second two -way screw rod, the symmetrical thread connection of second two -way screw rod on second sliding seat, through two first clamping plate and two second clamping plate conveniently to the four -sides of swing arm are fixed and are fixed in the rotary seat top middle position simultaneously.

Description

Technical Field

[0001] This utility model relates to the field of automotive swing arm torque detection technology, and more specifically, it relates to a side torque device for automotive swing arms. Background Technology

[0002] Torque measuring instruments can be used for calibrating torque sensors, and for testing the transmission torque of powertrain systems and the tightening torque of fasteners such as bolts. The torque sensor in a torque measuring instrument is an electronic device similar to a load cell, mainly used to convert the measured torque value into an electrical torque signal, which is then displayed on a digital display. During automobile manufacturing, torque tests are typically performed on the control arms of the produced vehicles, including swing and rotation tests.

[0003] A search revealed that Chinese utility model patent application number CN202120189092.8 discloses a side torque device for an automotive swing arm, including a base. The base has a groove inside, and a main shaft is rotatably mounted inside the groove via a bearing. The main shaft extends to the outside of the base, and a detection seat is fixedly sleeved on the outside of the main shaft. A servo motor is fixedly mounted on the detection seat by bolts. The output end of the servo motor is connected to a rotating shaft via a coupling, and a turntable is fixed to the end of the rotating shaft by screws.

[0004] In use, when testing torque, the car swing arm is placed on a turntable. The clamping block, pushed by a spring, cooperates with a baffle to press and fix the swing arm. The first cylinder is activated, causing the arc-shaped plate to move downwards with the first torque tester, connecting it to one end of the swing arm. Simultaneously, the second cylinder connects the second torque tester to the rotating shaft, initiating the test. This activates the servo motor and the turntable's drive source. The turntable's drive source uses a standard motor. On one hand, the servo motor drives the turntable and the car swing arm to rotate relative to the first torque tester for rotational testing. On the other hand, the turntable, connecting rod, and push rod form a crank-connecting rod mechanism, pushing the connecting plate and the rigidly connected testing seat around the swing arm. The fulcrum inside the groove rotates, causing the car swing arm to swing back and forth. The rotating shaft rotates relative to the second torque tester to perform the swing test. The two sets of tests can be performed simultaneously. However, the swing arm is fixed by the spring force, which provides a long period of stability. It is also not convenient to fix the swing arm in the middle position. In addition, after the arc plate is adjusted, the center position of the arc plate will change, causing the center of the arc plate to deviate from the central axis of the rotating shaft. During the test, it is not convenient to drive the swing block to slide normally inside the arc groove, causing the position between the first torque tester and the car swing arm to deviate, affecting the normal test. Utility Model Content

[0005] (a) Technical problems to be solved In view of the problems existing in the prior art, this utility model provides a side torque device for automobile swing arms to solve the technical problems mentioned in the background art.

[0006] (II) Technical Solution To achieve the above objectives, this utility model provides the following technical solution: a side torque device for an automotive swing arm, comprising a base, a groove at the top of the base, a rotating shaft rotatably connected inside the groove, a rotating seat fixedly connected outside the rotating shaft, a motor fixedly mounted on the rotating seat, the output end of the motor fixedly connected to the rotating seat, a first sliding groove at the top of the rotating seat, a first bidirectional screw rotatably connected inside the first sliding groove, two first sliding blocks symmetrically threaded to the outside of the first bidirectional screw, both first sliding blocks slidingly engaging with the first sliding groove, a first clamping plate fixedly connected to the top of each of the two first sliding blocks, a second sliding groove perpendicular to the first sliding groove at the top of the rotating seat, a second bidirectional screw rotatably connected inside the second sliding groove, second sliding blocks symmetrically threaded to the second bidirectional screw, and a second clamping plate fixedly connected to the top of each of the two second sliding blocks. The two first clamping plates and two second clamping plates facilitate clamping and fixing the swing arm on all four sides, and also facilitate fixing the swing arm at the center position at the top of the rotating seat.

[0007] The present invention is further configured such that a fixed frame is fixedly connected to the top of the base, an arc-shaped groove is provided on the fixed frame, the center of the arc-shaped groove is located on the central axis of the rotating shaft, an arc-shaped seat is slidably arranged inside the arc-shaped groove, a first electric cylinder is fixedly connected to the bottom of the arc-shaped seat, a first torque tester is fixedly connected to the bottom of the first electric cylinder, and the arc-shaped seat is fixedly connected to the rotating shaft through a connecting frame, which can ensure that the arc-shaped seat and the rotating shaft rotate synchronously.

[0008] The present invention is further configured such that arc-shaped limiting grooves are provided at both ends of the arc-shaped groove, and arc-shaped limiting plates are fixedly connected to the side ends of the arc-shaped seat. The two arc-shaped limiting plates are respectively slidably engaged with the two arc-shaped limiting grooves to limit the arc-shaped seat and ensure that the arc-shaped seat slides normally inside the arc-shaped groove.

[0009] The present invention is further configured such that an L-shaped frame is fixedly connected to the front end of the base, a second electric cylinder is fixedly connected to the L-shaped frame, and a second torque tester is fixedly connected to the telescopic end of the second electric cylinder. The center of the second torque tester and the axis of the rotating shaft are located on the same central axis, which facilitates the second torque tester to be closely attached to the rotating shaft and facilitates the second torque tester to perform the corresponding torque test.

[0010] The present invention is further configured such that a connecting plate is fixedly connected to the rotating shaft, and a third electric cylinder is rotatably connected to the connecting plate. The other end driven by the third electric cylinder is rotatably connected to the base, which facilitates driving the rotating shaft, the rotating seat, the rotating base and the car swing arm to rotate.

[0011] The present invention is further configured such that a first regular hexagonal column is fixedly connected to the side end of the first bidirectional screw, so that the first regular hexagonal column and the first bidirectional screw can be rotated by an electric wrench.

[0012] The present invention is further configured such that a second regular hexagonal column is fixedly connected to the side end of the second bidirectional screw, which facilitates the rotation of the second regular hexagonal column and the second bidirectional screw by means of an electric wrench.

[0013] The present invention is further provided that rubber anti-slip pads are fixedly connected to both the first clamping plate and the second clamping plate to increase the softness and friction of the surfaces of the first clamping plate and the second clamping plate.

[0014] (III) Beneficial Effects Compared with the prior art, this utility model provides a side torque device for automotive swing arms, which has the following beneficial effects: 1. Place the swing arm on the rotating seat, and then rotate the first and second double-acting screws. The rotation of the first and second double-acting screws causes the two first slides and the two second slides to move towards the center. The two first slides and the two second slides respectively drive the two first clamping plates and the two second clamping plates to move towards the center. The two first clamping plates and the two second clamping plates clamp and fix the car swing arm, which facilitates clamping and fixing the four sides of the car swing arm. Compared with the existing technology, this improves the stability of clamping the car swing arm and makes it easier to fix the car swing arm in the middle position on the rotating seat.

[0015] 2. Since the arc-shaped seat is fixedly connected to the rotating shaft through the connecting frame, the rotating shaft drives the arc-shaped seat to rotate through the connecting frame during the rotation of the rotating shaft. This facilitates the normal sliding of the arc-shaped seat in the arc groove. At the same time, it enables the arc-shaped seat, the first electric cylinder, the first torque tester and the car swing arm to rotate synchronously, ensuring the stability of the first torque tester in torque testing.

[0016] 3. By fixing a first regular hexagonal column and a second regular hexagonal column to the side ends of the first and second double-direction screws respectively, it is convenient to put the sleeve on the outside of the first and second regular hexagonal columns, and to use an electric wrench to drive the sleeve, the first regular hexagonal column and the second regular hexagonal column to rotate, and to facilitate the rapid rotation of the first and second double-direction screws. Attached Figure Description

[0017] Figure 1 This is a front view of a side torque device for an automotive swing arm according to the present invention. Figure 2 This is a rear view schematic diagram of a side torque device for an automobile swing arm according to the present invention. Figure 3This is a structural diagram showing the connection between the rotating seat, the rotating base, the two first clamping plates, and the two second clamping plates in this utility model. Figure 4 This is a schematic diagram of the structure of the fixing frame in this utility model; Figure 5 This is a schematic diagram of the structure connecting the arc-shaped seat, the first electric cylinder, the first torque tester, and the two arc-shaped limiting plates in this utility model.

[0018] In the diagram: 1. Base; 2. Groove; 3. Shaft; 4. Rotating seat; 5. Motor; 6. Rotating seat; 7. First slide groove; 8. First double-acting screw; 9. First slide block; 10. First clamping plate; 11. Second slide groove; 12. Second double-acting screw; 13. Second slide block; 14. Second clamping plate; 15. Fixing frame; 16. Arc-shaped groove; 17. Arc-shaped seat; 18. First electric cylinder; 19. First torque tester; 20. Connecting frame; 21. Arc-shaped limiting groove; 22. Arc-shaped limiting plate; 23. L-shaped frame; 24. Second electric cylinder; 25. Second torque tester; 26. Connecting plate; 27. Third electric cylinder; 28. First regular hexagonal column; 29. ​​Second regular hexagonal column; 30. Rubber anti-slip pad. Detailed Implementation

[0019] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0020] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0021] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0022] Please see Figures 1-5A side torque device for automotive swing arms includes a base 1, a groove 2 at the top of the base 1, a rotating shaft 3 rotatably connected inside the groove 2, a rotating seat 4 fixedly connected to the outside of the rotating shaft 3, a motor 5 fixedly mounted on the rotating seat 4, a rotating seat 6 fixedly connected to the output end of the motor 5, a first sliding groove 7 at the top of the rotating seat 6, a first bidirectional screw 8 rotatably connected inside the first sliding groove 7, and two first sliding blocks 9 symmetrically threaded to the outside of the first bidirectional screw 8, both of which slide with the first sliding groove 7. In conjunction with this, the top ends of the two first slide blocks 9 are fixedly connected to the first clamping plates 10, the top end of the rotating seat 6 is provided with a second slide groove 11 perpendicular to the first slide groove 7, the interior of the second slide groove 11 is rotatably connected to a second bidirectional screw 12, the second bidirectional screw 12 is symmetrically threaded to the second slide block 13, the top ends of the two second slide blocks 13 are fixedly connected to the second clamping plates 14, and rubber anti-slip pads 30 are fixedly connected to the first clamping plates 10 and the second clamping plates 14 to increase the softness and friction of the surfaces of the first clamping plates 10 and the second clamping plates 14.

[0023] Specifically, the swing arm is placed on the rotating seat 6, and then the first double-acting screw 8 and the second double-acting screw 12 are rotated. The rotation of the first double-acting screw 8 and the second double-acting screw 12 causes the two first slides 9 and the two second slides 13 to move towards the center. The two first slides 9 and the two second slides 13 respectively drive the two first clamping plates 10 and the two second clamping plates 14 to move towards the center. The two first clamping plates 10 and the two second clamping plates 14 clamp and fix the car swing arm, which makes it easy to clamp and fix the four sides of the car swing arm. Compared with the existing technology, the stability of clamping the car swing arm is improved, and it is also easy to fix the car swing arm in the middle position on the rotating seat 6.

[0024] Please see Figure 1 , Figure 2 , Figure 4 and Figure 5 A fixed frame 15 is fixedly connected to the top of the base 1. An arc-shaped groove 16 is provided on the fixed frame 15. The center of the arc-shaped groove 16 is located on the central axis of the rotating shaft 3. An arc-shaped seat 17 is slidably arranged inside the arc-shaped groove 16. A first electric cylinder 18 is fixedly connected to the bottom of the arc-shaped seat 17. A first torque tester 19 is fixedly connected to the bottom of the first electric cylinder 18. The arc-shaped seat 17 is fixedly connected to the rotating shaft 3 through a connecting frame 20, which can ensure that the arc-shaped seat 17 rotates synchronously with the rotating shaft 3. Arc-shaped limiting grooves 21 are provided at both ends of the arc-shaped groove 16. Arc-shaped limiting plates 22 are fixedly connected to the side ends of the arc-shaped seat 17. The two arc-shaped limiting plates 22 slide and cooperate with the two arc-shaped limiting grooves 21 respectively, which limit the arc-shaped seat 17 and ensure that the arc-shaped seat 17 slides normally inside the arc-shaped groove 16.

[0025] Specifically, the first electric cylinder 18 pushes the first torque tester 19 downward, so that the first torque tester 19 contacts the car swing arm, which facilitates the torque test of the car swing arm through the first torque tester 19. Since the arc-shaped seat 17 is fixedly connected to the rotating shaft 3 through the connecting frame 20, during the rotation of the rotating shaft 3, the rotating shaft 3 drives the arc-shaped seat 17 to rotate through the connecting frame 20, which facilitates the normal sliding of the arc-shaped seat 17 in the arc-shaped groove 16. At the same time, it enables the arc-shaped seat 17, the first electric cylinder 18, the first torque tester 19 and the car swing arm to rotate synchronously, ensuring the stability of the torque test by the first torque tester 19.

[0026] Please see Figure 1 An L-shaped frame 23 is fixedly connected to the front end of the base 1. A second electric cylinder 24 is fixedly connected to the L-shaped frame 23. A second torque tester 25 is fixedly connected to the telescopic end of the second electric cylinder 24. The center of the second torque tester 25 is on the same central axis as the axis of the rotating shaft 3, which makes it easy for the second torque tester 25 to be close to the rotating shaft 3 and to perform the corresponding torque test. A connecting plate 26 is fixedly connected to the rotating shaft 3. A third electric cylinder 27 is rotatably connected to the connecting plate 26. The other end driven by the third electric cylinder 27 is rotatably connected to the base 1, which makes it easy to drive the rotating shaft 3, the rotating seat 4, the rotating seat 6 and the car swing arm to rotate.

[0027] Specifically, the second electric cylinder 24 pushes the second torque tester 25 to press against the rotating shaft 3, and the torque is tested by the second torque tester 25.

[0028] Please see Figure 3 The first bidirectional screw 8 is fixedly connected to a first regular hexagonal post 28 on its side end, which facilitates the rotation of the first regular hexagonal post 28 and the first bidirectional screw 8 by means of an electric wrench. The second bidirectional screw 12 is fixedly connected to a second regular hexagonal post 29 on its side end, which facilitates the rotation of the second regular hexagonal post 29 and the second bidirectional screw 12 by means of an electric wrench.

[0029] Specifically, by fixing a first regular hexagonal post 28 and a second regular hexagonal post 29 to the side ends of the first bidirectional screw 8 and the second bidirectional screw 12 respectively, it is convenient to put the sleeve on the outside of the first regular hexagonal post 28 and the second regular hexagonal post 29, and to use an electric wrench to drive the sleeve, the first regular hexagonal post 28 and the second regular hexagonal post 29 to rotate, and to facilitate the rapid rotation of the first bidirectional screw 8 and the second bidirectional screw 12.

[0030] In summary, when using the overall equipment: The car swing arm is placed on the rotating seat 6. Then, the first double-acting screw 8 and the second double-acting screw 12 are rotated. The rotation of the first double-acting screw 8 and the second double-acting screw 12 causes the two first slides 9 and the two second slides 13 to move towards the center. The two first slides 9 and the two second slides 13 respectively drive the two first clamping plates 10 and the two second clamping plates 14 to move towards the center. The two first clamping plates 10 and the two second clamping plates 14 clamp and fix the car swing arm. Then, the first electric cylinder 18 pushes the first torque tester 19 downward, so that the first torque tester 19 moves downward. 9 is pressed against the car swing arm, and then the second electric cylinder 24 pushes the second torque tester 25 to press against the rotating shaft 3. Then the motor 5 is started, and the motor 5 drives the rotating seat 6 and the car swing arm to rotate. At the same time, the third electric cylinder 27 drives the connecting plate 26, the rotating shaft 3, the rotating seat 4, the rotating seat 6 and the second torque tester 25 to rotate. During the rotation of the rotating shaft 3, the connecting frame 20, the arc seat 17, the first electric cylinder 18 and the first torque tester 19 are driven to rotate. The first torque tester 19 and the second torque tester 25 are used to perform the corresponding torque test.

[0031] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A side torque device for a swing arm of a vehicle comprising a base (1), characterized in that: The top of the base (1) is provided with a groove (2), and a rotating shaft (3) is rotatably connected inside the groove (2). A rotating seat (4) is fixedly connected to the outside of the rotating shaft (3). A motor (5) is fixedly installed on the rotating seat (4). A rotating seat (6) is fixedly connected to the output end of the motor (5). A first sliding groove (7) is provided at the top of the rotating seat (6). A first bidirectional screw (8) is rotatably connected inside the first sliding groove (7). Two first sliding blocks (9) are symmetrically threaded on the outside of the first bidirectional screw (8). Both first sliding blocks (9) slide in cooperation with the first sliding groove (7). A first clamping plate (10) is fixedly connected to the top of both first sliding blocks (9). A second sliding groove (11) perpendicular to the first sliding groove (7) is provided at the top of the rotating seat (6). A second bidirectional screw (12) is rotatably connected inside the second sliding groove (11). A second sliding block (13) is symmetrically threaded on the second bidirectional screw (12). A second clamping plate (14) is fixedly connected to the top of both second sliding blocks (13).

2. A side torque device for a swing arm of a vehicle according to claim 1, characterized in that: The top of the base (1) is fixedly connected to a fixed frame (15), and an arc groove (16) is provided on the fixed frame (15). The center of the arc groove (16) is located on the central axis of the rotating shaft (3). An arc seat (17) is slidably provided inside the arc groove (16). A first electric cylinder (18) is fixedly connected to the bottom end of the arc seat (17). A first torque tester (19) is fixedly connected to the bottom end of the first electric cylinder (18). The arc seat (17) is fixedly connected to the rotating shaft (3) through a connecting frame (20).

3. A side torque device for a swing arm of a vehicle according to claim 2, characterized in that: Both ends of the arc groove (16) are provided with arc-shaped limiting grooves (21), and the side ends of the arc seat (17) are fixedly connected with arc-shaped limiting plates (22). The two arc-shaped limiting plates (22) are respectively slidably engaged with the two arc-shaped limiting grooves (21).

4. A side torque device for a swing arm of a vehicle according to claim 3, characterized in that: The base (1) is fixedly connected to an L-shaped frame (23) at its front end. A second electric cylinder (24) is fixedly connected to the L-shaped frame (23). A second torque tester (25) is fixedly connected to the telescopic end of the second electric cylinder (24). The center of the second torque tester (25) and the axis of the rotating shaft (3) are located on the same central axis.

5. A side torque device for a swing arm of a vehicle according to claim 4, characterized in that: A connecting plate (26) is fixedly connected to the rotating shaft (3), and a third electric cylinder (27) is rotatably connected to the connecting plate (26). The other end driven by the third electric cylinder (27) is rotatably connected to the base (1).

6. A side torque device for a swing arm of a vehicle as defined in claim 1, characterized in that: The first bidirectional screw (8) is fixedly connected to a first regular hexagonal column (28) at its side end.

7. A side torque device for a swing arm of a vehicle according to claim 6, characterized in that: The second bidirectional screw (12) is fixedly connected to a second regular hexagonal column (29) at its side end.

8. A side torque device for a swing arm of a vehicle according to claim 7, characterized in that: Rubber anti-slip pads (30) are fixedly connected to both the first clamping plate (10) and the second clamping plate (14).

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