On-line detection device for no-load torque of steering column

Abstract

The utility model relates to a steering column no-load torque on-line detection device, which belongs to the technical field of automobile part detection, solves the problems of low detection efficiency and poor accuracy, and comprises a bottom plate at the bottom, and two ends of the bottom plate are respectively connected with a base and a clamp bottom plate; the base is connected with a sensor base plate, the sensor base plate is connected with a torque sensor, one end of the torque sensor is connected with a servo motor, the other end of the torque sensor is connected with a coupler, the coupler is connected with a bearing sleeve assembly, and the bearing sleeve assembly is connected with one end of an intermediate shaft assembly; a part clamp is connected to the clamp bottom plate, the intermediate shaft assembly is installed on the part clamp, and the pressing device assembly is installed beside the clamp bottom plate. The device is used for the on-line detection of the no-load torque of the steering column, improves the detection efficiency and accuracy, and provides a powerful guarantee for the quality control of an automobile steering system.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile component detection, and in particular relates to an online detection device for no-load torque of a steering column. Background Art

[0002] In the automobile manufacturing process, the performance test of the steering column is an important part to ensure the safety and reliability of the automobile steering system. Traditional methods for testing the no-load torque of the steering column are mostly carried out manually or with simple mechanical devices, which have problems such as low detection efficiency and poor accuracy. With the rapid development of the automobile industry and the continuous improvement of automobile safety performance requirements, higher requirements are put forward for the detection method of the no-load torque of the steering column. Utility Model Content

[0003] The purpose of the utility model is to:

[0004] The purpose of the utility model is to provide an online detection device for no-load torque of a steering column, which realizes online detection of no-load torque of a steering column through core components such as a servo motor and a torque sensor, improves detection efficiency and accuracy, and provides a strong guarantee for quality control of a vehicle steering system.

[0005] The technical solution adopted by the utility model is as follows:

[0006] An online detection device for no-load torque of a steering column comprises a bottom plate, and two ends of the bottom plate are respectively connected to a base and a fixture bottom plate;

[0007] The base is connected to a sensor pad, the sensor pad is connected to a torque sensor, one end of the torque sensor is connected to a servo motor, the other end of the torque sensor is connected to a coupling, the coupling is connected to a bearing sleeve assembly, and the bearing sleeve assembly is connected to one end of an intermediate shaft assembly;

[0008] The fixture bottom plate is connected with a parts fixture, the intermediate shaft assembly is installed on the parts fixture, and a clamping device assembly is installed beside the fixture bottom plate.

[0009] Furthermore, a left L plate and a right L plate are respectively installed on both sides of the torque sensor on the base, a first cover plate is connected between the left L plate and the right L plate, and a second cover plate is connected to the top surfaces of the left L plate and the right L plate.

[0010] Furthermore, the servo motor is connected to the left L-plate, and the bearing sleeve assembly is connected to the right L-plate.

[0011] Furthermore, an intermediate shaft bracket for supporting the intermediate shaft assembly is also installed on the bottom plate between the base and the fixture bottom plate.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0013] Improve detection efficiency: This device uses a servo motor to drive the steering column to rotate, realizing online detection of the no-load torque of the steering column, greatly improving the detection efficiency.

[0014] Improve detection accuracy: The torque sensor can detect the torque of the steering column in a no-load state in real time and accurately, providing a strong guarantee for the quality control of the automobile steering system.

[0015] Easy to operate: This device adopts automated design, which is easy to operate and reduces the labor intensity of operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall assembly diagram of the utility model;

[0017] Figure 2 It is the front view of the utility model;

[0018] Figure 3 It is a top view of the utility model.

[0019] Markings in the figure: 1-servo motor, 2-left L plate, 3-first cover plate, 4-torque sensor, 5-second cover plate, 6-sensor pad, 7-coupling, 8-base, 9-right L plate, 10-bearing sleeve assembly, 11-intermediate shaft bracket, 12-intermediate shaft assembly, 13-bottom plate, 14-part fixture, 15-clamping device assembly, 16-fixture bottom plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0021] An online detection device for no-load torque of a steering column comprises a bottom plate 13, two ends of the bottom plate 13 are respectively connected to a base 8 and a fixture bottom plate 16;

[0022] The base 8 is connected to a sensor pad 6, the sensor pad 6 is connected to a torque sensor 4, one end of the torque sensor 4 is connected to a servo motor 1, the other end of the torque sensor 4 is connected to a coupling 7, the coupling 7 is connected to a bearing sleeve assembly 10, and the bearing sleeve assembly 10 is connected to one end of an intermediate shaft assembly 12;

[0023] A part fixture 14 is connected to the fixture bottom plate 16 , the intermediate shaft assembly 12 is mounted on the part fixture 14 , and a clamping device assembly 15 is mounted next to the fixture bottom plate 16 .

[0024] A left L-plate 2 and a right L-plate 9 are respectively installed on both sides of the torque sensor 4 on the base 8, a first cover plate 3 is connected between the left L-plate 2 and the right L-plate 9, and a second cover plate 5 is connected to the top surfaces of the left L-plate 2 and the right L-plate 9.

[0025] The servo motor 1 is connected to the left L-plate 2 , and the bearing sleeve assembly 10 is connected to the right L-plate 9 .

[0026] An intermediate shaft bracket 11 for supporting the intermediate shaft assembly 12 is also installed on the bottom plate 13 between the base 8 and the fixture bottom plate 16 .

[0027] The servo motor 1 is connected to the intermediate shaft assembly 12 through the coupling 7 to provide rotational power;

[0028] The fixture bottom plate 16, the clamping device assembly 15, and the parts fixture 14 are used to fix the steering column to be tested;

[0029] The bottom plate 13 serves as the basic support of the device;

[0030] The intermediate shaft assembly 12 and the intermediate shaft bracket 11 are used to connect the servo motor 1 and the steering column to be tested;

[0031] The bearing sleeve assembly 10 is used to support and protect the intermediate shaft assembly 12;

[0032] The sensor pad 6 is used to install and fix the torque sensor 4 .

[0033] The servo motor 1 can adjust the rotation speed and direction.

[0034] The torque sensor 4 is connected to the data processing system and can transmit the detected torque data to the data processing system in real time for analysis and recording.

[0035] In actual application, the operator first fixes the steering column to be tested on the parts fixture 14, and then starts the servo motor 1 through the controller. The servo motor 1 drives the intermediate shaft assembly 12 to rotate through the coupling 7, thereby driving the steering column to rotate. During the rotation process, the torque sensor 4 detects the torque of the steering column in the no-load state in real time, and transmits the detected torque data to the data processing system for analysis and recording. The operator can determine whether the no-load torque of the steering column meets the requirements based on the output results of the data processing system.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A steering column no-load torque online detection device, characterized in that: It comprises a bottom plate (13), and two ends of the bottom plate (13) are respectively connected to a base (8) and a fixture bottom plate (16); The base (8) is connected to a sensor pad (6), the sensor pad (6) is connected to a torque sensor (4), one end of the torque sensor (4) is connected to a servo motor (1), the other end of the torque sensor (4) is connected to a coupling (7), the coupling (7) is connected to a bearing sleeve assembly (10), and the bearing sleeve assembly (10) is connected to one end of an intermediate shaft assembly (12); The fixture bottom plate (16) is connected to a part fixture (14), the intermediate shaft assembly (12) is mounted on the part fixture (14), and a clamping device assembly (15) is mounted next to the fixture bottom plate (16).

2. The steering column no-load torque online detection device according to claim 1, characterized in that: A left L-plate (2) and a right L-plate (9) are respectively installed on both sides of the torque sensor (4) on the base (8); a first cover plate (3) is connected between the left L-plate (2) and the right L-plate (9); and a second cover plate (5) is connected to the top surfaces of the left L-plate (2) and the right L-plate (9).

3. The online detection device for no-load torque of a steering column according to claim 2, characterized in that: The servo motor (1) is connected to the left L-plate (2), and the bearing sleeve assembly (10) is connected to the right L-plate (9).

4. The device for online detection of no-load torque of a steering column according to claim 1, characterized in that: An intermediate shaft bracket (11) for supporting the intermediate shaft assembly (12) is also installed on the bottom plate (13) between the base (8) and the fixture bottom plate (16).

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