Pneumatic tubular column sliding force testing mechanism capable of being adjusted in four directions
By designing a four-way adjustment pneumatic pipe column slip force testing mechanism, multi-directional force value detection is achieved using servo motors and force measuring sensors, the problem that existing equipment can only be detected in one direction is solved, and the accuracy of detection and the stability of the equipment are improved.
Patent Information
- Application Number
- CN202422078006.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-08-26
AI Technical Summary
Existing steering column detection equipment can only detect slip force values in one direction and cannot meet the performance detection requirements in multiple directions.
A four-way adjustment pneumatic pipe column slip force testing mechanism is designed, using upper and lower servo rails, front and rear servo rails and rear angle servo mechanisms to achieve three-axis linkage, and combining servo motors and force measuring sensors to achieve multi-directional force value testing.
It realizes accurate detection of multi-directional force values of the steering column, improves the stability and flexibility of the detection equipment, and has better applicability.
Smart Images
Figure CN223179673U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipe column slip force testing, in particular to a pneumatic pipe column slip force testing mechanism with four-way adjustment. Background Technique
[0002] The steering column is a component used to transmit the steering wheel torque on a vehicle. Generally, it includes an external fixed sleeve, a guide sleeve located inside the fixed sleeve, and a steering shaft located inside the guide sleeve.
[0003] After the production of the steering column is completed, it is necessary to detect the slip force to judge the performance of the steering column. However, at present, the detection equipment for the steering column basically directly connects the steering column to be detected with the detection head. Moreover, the current detection equipment can only detect the slip force value in one direction. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a pneumatic pipe column slip force testing mechanism with four-way adjustment, in which a servo motor A is provided at the top of the vertical movement track on the pipe column slip force testing device, vertical movement tracks are symmetrically arranged on both sides of the vertical movement track, a testing mechanism is provided on the front surface of the upper and lower servo guide rails, a radial force measuring sensor and an axial force measuring sensor are internally matched in a connecting head A and a connecting head B on the testing head, a servo motor C is provided at one end of a connecting shaft between the connecting head A and the connecting head B, and a pneumatic chuck is provided on a pneumatic chuck mounting substrate arranged on the connecting head B. The pipe column slip force testing device is a four-way adjustment force testing mechanism for an automotive steering column, and the middle pneumatic claw clamps the product. The three-axis linkage is realized through the upper and lower servo guide rails, the front and rear servo guide rails, and the angle servo mechanism behind the claw, and at the same time, the four-way adjustment pneumatic pipe column slip force testing mechanism for testing the force values in several directions of the steering column is provided to solve the problems put forward in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: a pneumatic pipe column slip force testing mechanism with four-way adjustment, including a pipe column slip force testing device and a testing head. The pipe column slip force testing device is provided with upper and lower servo guide rails and front and rear servo guide rails, and the upper and lower servo guide rails are vertically and perpendicularly installed in cooperation with the front and rear servo guide rails;
[0006] A testing head is provided on the front of the upper and lower servo guide rails. An upper and lower moving base is provided on the testing head. Connecting head A and connecting head B are provided on the front of the upper and lower moving base. Connecting head A is welded to the surface of the upper and lower moving base. One end of connecting head B is arranged inside connecting head A. A connecting shaft is used for mating connection between connecting head A and connecting head B, and connecting head B is fixedly connected to the connecting shaft. An air chuck mounting substrate is provided on connecting head B, and one side surface of the air chuck mounting substrate is welded to connecting head B. An air chuck is provided on the other side surface of the air chuck mounting substrate.
[0007] Preferably, a servo motor A is provided at the top of the upper and lower servo guide rails. Upper and lower moving tracks are symmetrically provided on both side walls of the upper and lower servo guide rails. The upper and lower moving base is installed in cooperation with the upper and lower moving tracks. A wire harness hinge is provided on one side wall of the upper and lower servo guide rails. The wire harness inside the wire harness hinge is installed in cooperation with the servo motor A and the testing head.
[0008] Preferably, a triangular support plate is provided in cooperation between the upper and lower servo guide rails and the front and rear servo guide rails. One right-angle edge of the triangular support plate is welded to the upper and lower servo guide rails;
[0009] A servo motor B is provided at one end of the front and rear servo guide rails. The servo motor B is installed in cooperation with the bottom ends of the front and rear servo guide rails and the upper and lower servo guide rails.
[0010] Preferably, a servo motor C is provided in cooperation on one side of the testing head. The rotating shaft of the servo motor C is fixedly connected to one end of the connecting shaft between connecting head A and connecting head B. The swinging angle range of connecting head B in the vertical direction is 0 - 70°;
[0011] A radial force measuring sensor and an axial force measuring sensor are provided in cooperation inside the testing head.
[0012] Preferably, the triangular support plate is a right triangle, and the bottom of the triangular support plate is installed in cooperation inside the front and rear servo guide rails.
[0013] Preferably, a mating installation cavity is provided inside the upper and lower servo guide rails and the front and rear servo guide rails, and screws are provided inside both the upper and lower servo guide rails and the front and rear servo guide rails;
[0014] The screw inside the upper and lower servo guide rails is installed in cooperation with the servo motor A and the testing head;
[0015] The screw in the front and rear servo guide rails is installed in cooperation with the servo motor B, the triangular support plate, and the upper and lower servo guide rails.
[0016] Compared with the prior art, the beneficial effects of the present utility model are:
[0017] (1) A triangular support plate is cooperatively arranged between the upper and lower servo guide rails and the front and rear servo guide rails. The servo motor B is cooperatively installed with the bottom ends of the front and rear servo guide rails and the upper and lower servo guide rails. The triangular support plate plays a role in improving the stability of the equipment, ensuring that the equipment can move stably during operation;
[0018] (2) The angle range of the connector B swinging in the vertical direction is 0 - 70°. A radial force measuring sensor and an axial force measuring sensor are cooperatively arranged inside the test head. The torque of the product is accurately detected by the radial force measuring sensor and the axial force measuring sensor;
[0019] (3) The servo motor C drives the pneumatic chuck to adjust the angle in the vertical direction, so that the pneumatic chuck can be better connected with the externally tested product;
[0020] (4) This pipe column slip force test device is a four-way adjustment force test mechanism for automotive steering pipe columns. The middle pneumatic gripper holds the product, and three-axis linkage is achieved through the upper and lower servo guide rails, the front and rear servo guide rails, and the angle servo mechanism behind the gripper, while testing the force values in several directions of the steering pipe column. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic structural diagram of the pipe column slip force test device of the present utility model;
[0022] [[ID=...]] Figure 2 It is a front view of the pipe column slip force test device of the present utility model;
[0023] Figure 3 It is a left view of the pipe column slip force test device of the present utility model;
[0024] Figure 4 It is a right view of the pipe column slip force test device of the present utility model;
[0025] Figure 5 It is a schematic structural diagram of the test head of the present utility model.
[0026] In the figure: 1. Pipe column slip force test device; 2. Upper and lower servo guide rails; 3. Upper and lower moving base; 4. Servo motor A; 5. Upper and lower moving tracks; 6. Wiring harness hinge; 7. Servo motor B; 8. Front and rear servo guide rails; 9. Test head; 10. Pneumatic chuck; 11. Triangular support plate; 12. Connector A; 13. Servo motor C; 14. Radial force measuring sensor; 15. Axial force measuring sensor; 16. Connector B; 17. Pneumatic chuck mounting substrate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0028] Please refer to Figures 1-5 , the present utility model provides a technical solution: a pneumatic pipe string sliding force testing mechanism with four-way adjustment, including a pipe string sliding force testing device 1 and a testing head 9. The pipe string sliding force testing device 1 is provided with an up-and-down servo guide rail 2 and a front-and-rear servo guide rail 8, and the up-and-down servo guide rail 2 is perpendicularly and cooperatively installed with the front-and-rear servo guide rail 8.
[0029] A servo motor A4 is provided at the top of the up-and-down servo guide rail 2. The two side walls of the up-and-down servo guide rail 2 are symmetrically provided with up-and-down moving tracks 5, and the up-and-down moving base 3 is cooperatively installed with the up-and-down moving tracks 5. A wire harness hinge 6 is provided on one side wall of the up-and-down servo guide rail 2, and the wire harness inside the wire harness hinge 6 is cooperatively installed with the servo motor A4 and the testing head 9.
[0030] A triangular support plate 11 is cooperatively arranged between the up-and-down servo guide rail 2 and the front-and-rear servo guide rail 8. The triangular support plate 11 is a right triangle. The bottom of the triangular support plate 11 is cooperatively arranged inside the front-and-rear servo guide rail 8. One right-angle edge of the triangular support plate 11 is welded to the up-and-down servo guide rail 2. A servo motor B7 is provided at one end of the front-and-rear servo guide rail 8, and the servo motor B7 is cooperatively installed with the front-and-rear servo guide rail 8 and the bottom end of the up-and-down servo guide rail 2. The triangular support plate 11 has the function of improving the stability of the equipment and ensuring that the equipment can move stably during operation.
[0031] The testing head 9 is provided on the front of the up-and-down servo guide rail 2. The up-and-down moving base 3 is provided on the testing head 9. The front of the up-and-down moving base 3 is provided with a connector A12 and a connector B16. The connector A12 is welded to the surface of the up-and-down moving base 3. One end of the connector B16 is arranged inside the connector A12. The connector A12 and the connector B16 are cooperatively connected by a connecting shaft. The connector B16 is fixedly connected to the connecting shaft. A pneumatic chuck mounting substrate 17 is provided on the connector B16. One side surface of the pneumatic chuck mounting substrate 17 is welded to the connector B16, and a pneumatic chuck 10 is provided on the other side surface of the pneumatic chuck mounting substrate 17.
[0032] On one side of the test head 9, a servo motor C13 is cooperatively provided. The rotating shaft of the servo motor C13 is fixedly connected to one end of the connecting shaft between the connecting head A12 and the connecting head B16. The angular range of the connecting head B16 swinging in the vertical direction is 0 - 70°. Inside the test head 9, a radial force measuring sensor 14 and an axial force measuring sensor 15 are cooperatively provided. The torque magnitude of the product is accurately detected through the radial force measuring sensor 14 and the axial force measuring sensor 15. The servo motor C13 drives the pneumatic chuck 10 to adjust the angle in the vertical direction, enabling the pneumatic chuck 10 to better connect with the product to be externally tested.
[0033] Inside the upper and lower servo guides 2 and the front and rear servo guides 8, there are cooperative installation cavities. Inside the upper and lower servo guides 2 and the front and rear servo guides 8, there are screw rods. The screw rod inside the upper and lower servo guides 2 is cooperatively installed with the servo motor A4 and the test head 9. The screw rod in the front and rear servo guides 8 is cooperatively installed with the servo motor B7, the triangular support plate 11, and the upper and lower servo guides 2. The screw rod cooperatively installed on the servo motor A4 drives the test head 9 to move in the vertical direction, adjusting the height of the test head 9 in the vertical direction. The servo motor B7 drives the upper and lower servo guides 2 and the triangular support plate 11 on the back of the upper and lower servo guides 2 to make front - and - rear position adjustments in the horizontal direction. The upper and lower servo guides 2, the front and rear servo guides 8, the servo motor A4, and the servo motor B7 constitute a flexible mechanism that can move up - and - down and back - and - forth in space. Coupled with the test head 9 that can adjust the swing angle in the vertical direction, the flexibility of the entire device is good and the applicability is also better.
[0034] Detection process: Select the product to be detected. According to the product to be detected, adjust the position of the test head 9 in the horizontal direction. The servo motor B7 drives the upper and lower servo guides 2 and the triangular support plate 11 on the back of the upper and lower servo guides 2 to make front - and - rear position adjustments in the horizontal direction. After adjusting the position of the test head 9 in the horizontal direction, the servo motor B7 stops rotating and locks. After the servo motor A4 adjusts the height of the test head 9 in the vertical direction, it stops running. Finally, the servo motor C13 on one side of the test head 9 rotates the connecting shaft inside the connecting head B16, adjusts the elevation angle of the pneumatic chuck 10 on the test head 9. After adjusting the elevation angle of the pneumatic chuck 10, it stops rotating, and the product to be detected is cooperatively connected with the pneumatic chuck 10. After the connection is completed, the product is tested.
[0035] This pipe column sliding force test device is a four - way adjustment force test mechanism for an automotive steering column. The middle pneumatic claw clamps the product, and three - axis linkage is achieved through the upper and lower servo guides, the front and rear servo guides, and the angle servo mechanism behind the claw, while testing the force values in several directions of the steering column.
[0036] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A pneumatic pipe string slippage force test mechanism with four-way adjustment, comprising a pipe string slippage force test device (1) and a test head (9), characterized in that: The pipe string slippage force testing device (1) is provided with upper and lower servo guide rails (2) and front and rear servo guide rails (8), and the upper and lower servo guide rails (2) are perpendicularly and cooperatively installed with respect to the front and rear servo guide rails (8); On the front surface of the upper and lower servo guide rails (2), there is a testing head (9). On the testing head (9), there is an up and down moving base (3). On the front surface of the up and down moving base (3), there are connector A (12) and connector B (16). Connector A (12) is welded to the surface of the up and down moving base (3). One end of connector B (16) is arranged inside connector A (12). Connector A (12) and connector B (16) are cooperatively connected by a connecting shaft, and connector B (16) is fixedly connected to the connecting shaft. On connector B (16), there is a pneumatic chuck mounting substrate (17). One side surface of the pneumatic chuck mounting substrate (17) is welded to connector B (16), and on the other side surface of the pneumatic chuck mounting substrate (17), there is a pneumatic chuck (10).
2. The pneumatic pipe string slip force testing mechanism with four-way adjustment according to claim 1, characterized in that: At the top of the upper and lower servo guide rails (2), there is a servo motor A (4). On both side walls of the upper and lower servo guide rails (2), there are symmetrically arranged up and down moving tracks (5). The up and down moving base (3) is cooperatively installed with the up and down moving tracks (5). On one side wall of the upper and lower servo guide rails (2), there is a wire harness hinge (6). The wire harness inside the wire harness hinge (6) is cooperatively installed with the servo motor A (4) and the testing head (9).
3. The pneumatic pipe string slip force testing mechanism with four-way adjustment according to claim 1, characterized in that: Between the upper and lower servo guide rails (2) and the front and rear servo guide rails (8), there is a triangular support plate (11) cooperatively arranged. One right-angled edge of the triangular support plate (11) is welded to the upper and lower servo guide rails (2); At one end of the front and rear servo guide rails (8), there is a servo motor B (7). The servo motor B (7) is cooperatively installed with the front and rear servo guide rails (8) and the bottom end of the upper and lower servo guide rails (2).
4. A pneumatic pipe string slip force test mechanism with four-way adjustment according to claim 1, characterized in that: On one side of the testing head (9), there is a servo motor C (13) cooperatively arranged. The rotating shaft of the servo motor C (13) is fixedly connected to one end of the connecting shaft between connector A (12) and connector B (16). The swinging angle range of connector B (16) in the vertical direction is 0 - 70°; Inside the testing head (9), there are a radial force measuring sensor (14) and an axial force measuring sensor (15) cooperatively arranged.
5. A pneumatic pipe string slip force testing mechanism with four-way adjustment according to claim 3, characterized in that: The triangular support plate (11) is a right triangle, and the bottom of the triangular support plate (11) is cooperatively arranged inside the front and rear servo guide rails (8).
6. The pneumatic pipe string slip force testing mechanism with four-way adjustment according to claim 1, characterized in that: Inside the upper and lower servo guide rails (2) and the front and rear servo guide rails (8), there are cooperatively installed cavities, and inside the upper and lower servo guide rails (2) and the front and rear servo guide rails (8), there are screws; The screw inside the upper and lower servo guide rails (2) is cooperatively installed with the servo motor A (4) and the testing head (9); The screw inside the front and rear servo guide rails (8) is cooperatively installed with the servo motor B (7), the triangular support plate (11), and the upper and lower servo guide rails (2).