Calibrating device for steering wheel steering force and steering angle detector

Abstract

The utility model discloses a steering wheel steering force steering angle detector calibration device, comprising a pedestal and a support, the pedestal is provided with a torque sensor and a mounting rack installed on the torque sensor, the upper end of the support is provided with a top pressure assembly, the bottom of the mounting rack is provided with a locking assembly, and the locking assembly is provided with an elastic component. And the locking assembly locks the rotating position of the mounting frame. Effective detection and calibration of various steering wheel steering force and steering angle detectors can be conveniently realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measurement and verification, especially relates to a steering wheel steering force steering angle detector calibrating device. BACKGROUND

[0002] The steering wheel steering force - steering angle detector (hereinafter referred to as "detector") is used for measuring the maximum free rotation of the steering wheel of the automobile, and is mainly divided into two types (A type and B type, see Figure 1 、 Figure 2 ) according to the different structures. The main parameters of the A type detector are steering force and steering angle, and the main components are force sensor and angular acceleration sensor. The main parameters of the B type detector are steering torque and steering angle, and the main components are torque sensor and angular encoder. Although some existing calibrating devices can realize the calibration of the A and B type detectors, they are inconvenient to carry to the scene for detection due to the large weight and volume. In addition, steering force and steering angle are two independent parameters, and multiple detectors can only be detected one by one when calibrated. SUMMARY

[0003] The utility model aims at providing a steering wheel steering force steering angle detector calibrating device, which can conveniently realize the effective detection and calibration of various steering wheel steering force and steering angle detectors.

[0004] A steering wheel steering force steering angle detector calibrating device, characterized by comprising a base and a support, wherein the base is provided with a torque sensor and a mounting frame mounted on the torque sensor, the upper end of the support is provided with a pressing assembly, the bottom of the mounting frame is provided with a locking assembly, and the locking assembly locks the rotating position of the mounting frame.

[0005] In one embodiment, the pressing assembly includes a pressing screw, the support is provided with a pressing screw hole, the pressing screw is screwed into the pressing screw hole, and the first end of the pressing screw is provided with a knob handle.

[0006] In one embodiment, the second end of the pressing screw is provided with a detachable force sensor.

[0007] In one embodiment, the support includes a positioning frame, the positioning frame is provided with a telescopic rod that can be telescoped up and down, the positioning frame is mounted on the base, and the pressing assembly is mounted on the telescopic rod.

[0008] In one embodiment, the top end of the support is provided with a sliding hole, the bottom end of the telescopic rod is inserted into the sliding hole, the side wall of the sliding hole is provided with a positioning screw hole and a positioning screw rod, and the positioning screw rod is screwed into the positioning screw hole to lock and position the telescopic rod.

[0009] In one of the embodiments, the base is provided with a sliding groove, and the bottom of the support is provided with a locking assembly, which can lock the support at different positions of the sliding groove.

[0010] In one of the embodiments, the locking assembly comprises a locking screw, and the bottom of the support is provided with a locking screw hole, and the locking screw is screwed into the locking screw hole through the sliding groove.

[0011] In one of the embodiments, the bottom of the mounting frame is provided with a locking screw hole, and the locking assembly comprises a locking screw, which is screwed into the locking screw hole and is in abutment with the base to lock the position of the mounting frame.

[0012] In one of the embodiments, the mounting frame is provided with a clamping assembly, and the mounting frame is provided with a mounting hole and a mounting screw, and the mounting screw is screwed into the mounting hole from bottom to top, and the clamping assembly is screwed on the mounting frame by the mounting screw.

[0013] In one of the embodiments, the clamping assembly comprises a U-shaped groove and a clamping screw, the sidewall of the U-shaped groove is provided with a clamping screw hole, the clamping screw is screwed into the clamping screw hole, and the end of the clamping screw is provided with a clamping plate, which is located in the U-shaped groove.

[0014] Compared with the prior art, the steering force and steering angle detector calibration device and method has the following advantages:

[0015] 1. With the help of the torque sensor, the mounting frame can rotate relative to the base, and after rotating to the required position, the locking assembly is used to lock the position of the mounting frame. The mounting frame is used to install the detector to be measured, and after the detector is installed on the mounting frame, the top pressing assembly applies a pushing force to the detector to realize the calibration of the steering force and the steering torque. By loosening the locking assembly, the mounting frame can rotate relative to the base, and the steering angle of the detector can also be calibrated. One calibration device can be used to detect different types of detectors and calibrate multiple parameters such as steering force, steering torque and steering angle of the detector.

[0016] 2. The force sensor is detachable at the second end of the top pressing screw. When the force sensor is installed, it can be used to calibrate the steering force of the detector, and when it is not used, the force sensor can be detached.

[0017] 3. The force sensor, the torque sensor and the steering angle sensor are separate, which facilitates the calibration of different types of detectors and different detection parameters.

[0018] The utility model will become more clear through the following description and combining with the drawings, these drawings are used to explain the embodiment of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort.

[0020] Figure 1 is a structural schematic view of a type A steering wheel steering force and steering angle detector;

[0021] Figure 2 is a structural schematic view of a type B steering wheel steering force and steering angle detector;

[0022] Figure 3 is a structural schematic view of a steering wheel steering force and steering angle detector calibration device of the present application embodiment Figure 1 ;

[0023] Figure 4 is a structural schematic view of a steering wheel steering force and steering angle detector calibration device of the present application embodiment Figure 2 .

[0024] Figure 5 is a structural schematic view of the calibration device for steering force calibration of the type A detector;

[0025] Figure 6 is a structural schematic view of the calibration device for steering angle calibration of the type A detector;

[0026] Figure 7 is a structural schematic view of the calibration device for steering torque calibration of the type B detector;

[0027] Figure 8 is a structural schematic view of the calibration device for steering angle calibration of the type B detector.

[0028] Wherein, 10, base, 11, torque sensor, 13, sliding groove, 14, locking assembly, 15, locking screw, 16, locking screw hole, 20, support, 21, positioning frame, 22, telescopic rod, 23, sliding hole, 24, positioning screw, 25, positioning screw hole, 30, pressing assembly, 31, pressing screw, 32, pressing screw hole, 33, knob handle, 34, force sensor, 35, arc surface, 40, mounting bracket, 41, locking assembly, 42, locking screw, 43, locking screw hole, 50, clamping assembly, 51, U-shaped groove, 52, clamping screw, 53, clamping screw hole, 54, clamping plate, 60, type A detector, 70, type B detector, 81, type A steering angle calibration device, 82, type B steering angle calibration device. Detailed Implementation

[0029] Embodiments of the present invention will now be described with reference to the accompanying drawings.

[0030] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "test" and "display" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] like Figure 1 The image shows an A-type steering wheel steering force and steering angle measuring instrument. Figure 2 The image shows a B-type steering wheel steering force and steering angle detector.

[0033] like Figures 3 to 8 As shown, this utility model discloses a calibration device for a steering wheel steering force and steering angle detector. It comprises a base 10 and a bracket 20. The base 10 is equipped with a torque sensor 11 and a mounting bracket 40 mounted on the torque sensor 11. The upper end of the bracket 20 is provided with a pressing component 30, and the bottom of the mounting bracket 40 is provided with a locking component 41, which locks the rotational position of the mounting bracket 40. With the aid of the torque sensor 11, the mounting bracket 40 can rotate relative to the base 10. After rotating to the desired position, the locking component 41 locks the position of the mounting bracket 40. The mounting bracket 40 is used to mount the detector to be tested. After the detector is mounted on the mounting bracket 40, the pressing component 30 applies a pushing force to the detector to achieve calibration.

[0034] The mounting bracket 40 has a locking screw hole 43 at its bottom. The locking assembly 41 includes a locking screw 42, which is screwed into the locking screw hole 43 and mates with the base 10 to lock the position of the mounting bracket 40. In this embodiment, as shown... Figure 3 , 4As shown, the base 10 is provided with a plurality of threaded holes, and the locking screw 42 is screwed into different threaded holes to lock the mounting rack 40 at different positions.

[0035] The mounting rack 40 is provided with a clamping assembly 50, and the mounting rack 40 is provided with a mounting hole and a mounting screw, the mounting screw passes through the mounting hole from bottom to top, and the clamping assembly 50 is tightened on the mounting rack by the mounting screw. The mounting screw and the clamping assembly 50 are detachably connected: when the clamping assembly 50 is removed, the mounting screw can be used to install a detector, for example, the mounting screw can be directly tightened to the detector (for example, the mounting of the A-type detector 60 as shown), or the mounting screw and the nut are used to install the detector; when the clamping assembly 50 is installed, the detector can be installed in a clamped manner by using the clamping assembly 50. Figure 2

[0036] In this embodiment, the clamping assembly 50 includes a U-shaped groove 51 and a clamping screw 52, the side wall of the U-shaped groove 51 is provided with a clamping screw hole 53, the clamping screw 52 is screwed into the clamping screw hole 53, the end of the clamping screw 52 is provided with a clamping plate 54, and the clamping plate 54 is located in the U-shaped groove 51. The U-shaped groove 51 of the utility model includes but is not limited to a U-shaped groove with a round bottom, a V-shaped groove with a pointed bottom, a concave groove with a flat bottom, and other specific shapes, as long as it can clamp the detector to be calibrated. In this embodiment, the clamping assembly 50 is used to clamp the detector which is installed in a clamped manner, for example, the mounting of the A-type detector 60 as shown. Figure 1

[0037] In this embodiment, as shown in Figure 3 、 4 The mounting rack 40 is a cylindrical square rack, the upper panel is provided with a mounting hole, the lower panel is provided with a locking screw hole 43, and the locking screw 42 and the mounting screw can be operated in the hollow of the square rack, so that the structure is simple, the volume is small, and the operation space is large.

[0038] The top pressing assembly 30 includes a top pressing screw 31, the support 20 is provided with a top pressing screw hole 32, the top pressing screw 31 is screwed into the top pressing screw hole 32, the first end of the top pressing screw 31 is provided with a knob handle 33, and the second end of the top pressing screw 31 is provided with a detachable force sensor 34. For example, the force sensor 34 can be clamped by a clip, or the force sensor 34 can be installed in a manner of being pasted with adhesive, or the force sensor 34 can be installed by using a screw. The staff can rotate the knob handle 33 in a forward direction to drive the top pressing screw 31 to rotate, the top pressing screw 31 rotates in the top pressing screw hole 32, and through the threaded connection, the second end of the top pressing screw 31 is used to apply a pushing force to the steering detector in a top pressing direction, so as to calibrate. The knob handle 33 can be rotated in a reverse direction to loosen the top pressing screw 31.

[0039] ​​In this embodiment, the bracket 20 includes a positioning frame 21, which has a telescopic rod 22 that can extend and retract vertically. The positioning frame 21 is mounted on the base 10, and the pressing assembly 30 is mounted on the telescopic rod 22. Specifically, the top of the telescopic rod 22 has a pressing screw hole 32, and the pressing screw 31 is screwed into the pressing screw hole 32. The telescopic rod 22 is used to adjust the height of the pressing assembly 30, which is convenient for pressing different positions when calibrating different detectors. Preferably, the top of the bracket 20 has a sliding hole 23, and the lower end of the telescopic rod 22 is inserted into the sliding hole 23. The side wall of the sliding hole 23 has a positioning screw hole 25 and a positioning screw 24. The positioning screw 24 is screwed into the positioning screw hole 25 to lock and position the telescopic rod 22.

[0040] The base 10 has a sliding groove 13, and the bottom of the bracket 20 has a locking assembly 14, which can lock the bracket 20 into different positions in the sliding groove 13. The top-pressing assembly 30 is used to apply a pushing force to the instrument to be calibrated. When calibrating different instruments, the bracket 20 can be slid along the sliding groove 13 and locked in a suitable position, so that the top-pressing assembly 30 applies a pushing force to different instruments, making the whole device versatile and portable. Preferably, the locking assembly 14 includes a locking screw 15, and the bottom of the bracket 20 has a locking screw hole 16, through which the locking screw 15 passes and is tightened into the locking screw hole 16.

[0041] Preferably, the force sensor 34 has an arc-shaped surface 35, which facilitates fitting the arc surface of the detector.

[0042] The calibration device applicable to this embodiment is used as follows:

[0043] When calibrating the steering force of the Type A tester 60, if Figure 5 As shown, tighten the clamping screw 52 of the clamping assembly 50, and the clamping plate 54 and U-shaped groove 51 clamp the A-type detector 60. Adjust the height of the telescopic rod 22 by the positioning screw 24 so that the height of the force sensor 34 is consistent with the force point of the calibrated A-type detector 60. Turn the knob handle 33 to apply the top force, and compare the force values ​​of the force sensor 34 and the display instrument of the A-type detector 60 to realize the detection and calibration of the steering force of the A-type detector 60.

[0044] When calibrating the steering angle of the Type A detector at 60 degrees, if Figure 6 As shown, loosen the locking assembly 41 so that the mounting bracket 40 can rotate relative to the base 10 by means of the torque sensor 11. Use rubber cable ties, glue or hand pressure to fix the sensor of the A-type steering angle calibration device 81 to the angular acceleration sensor of the A-type detector 60 under test. Rotate the A-type detector 60 and the steering angle calibration device clockwise or counterclockwise at the same time, and read the angle values ​​of the display instruments of both to achieve detection and calibration.

[0045] When calibrating the steering torque of the Type B testing instrument 70, such asFigure 7 As shown, the jaw of the B-type detector 70 is removed to expose the threaded hole, the clamping assembly 50 is removed to expose the mounting screw, the mounting screw is screwed into the threaded hole of the B-type detector 70, and the B-type detector 70 is mounted on the mounting frame 40. Preferably, the mounting hole is an elongated hole, the mounting screw is adjusted in the mounting hole to adjust the position of the B-type detector 70, and the torsion sensor 34 is kept coaxial with the B-type detector 70. The knob handle 33 is rotated to apply force in the tangential direction of the torque of the B-type detector 70 (at this time, the force sensor 34 is not required to be installed, but whether the force sensor 34 is removed does not affect the actual operation), and the torque values of the torque sensors 11 and the B-type detector 70 are read respectively to realize the detection and calibration of the steering torque of the B-type detector 70.

[0046] When the steering angle of the B-type detector 70 is calibrated, as shown, Figure 8 the locking assembly 41 is loosened, the mounting frame 40 can be rotated relative to the base 10 by the torque sensor 11, the sensor main shaft sleeve of the B-type steering angle calibration device 82 is connected with the angle encoder main shaft of the measured B-type detector 70, the screw on the main shaft sleeve is adjusted to fix and keep coaxial the main shafts of the sensors of the B-type steering angle calibration device and the measured B-type detector 70, the support 20 is bound or pasted or pressed by hand to fix the calibration device, the main shaft sleeve is rotated clockwise or counterclockwise, and the angle values of the two display instruments are read to realize the detection and calibration.

[0047] The utility model has been described above in combination with the best embodiment, but the utility model is not limited to the above disclosed embodiments, and should cover various modifications, equivalent combinations according to the essence of the utility model.

Claims

1. A steering wheel steering force steering angle detector calibration device characterized by, The application relates to a torque sensor, which comprises a base, a support, a torque sensor arranged on the base, a mounting frame arranged on the torque sensor, a top pressing assembly arranged at the upper end of the support, a locking assembly arranged at the bottom of the mounting frame, and the locking assembly locks the rotating position of the mounting frame.

2. The steering wheel steering force steering angle detector calibration device according to claim 1, characterized in that, The top pressing assembly comprises a top pressing screw, the support is provided with a top pressing screw hole, the top pressing screw is screwed into the top pressing screw hole, and the first end of the top pressing screw is provided with a knob handle.

3. A steering wheel steering force to steering angle detector calibration device according to claim 2, characterised in that, The second end of the top pressing screw is provided with a detachable force sensor.

4. The steering wheel steering force steering angle detector calibration device according to claim 1, characterized by The support comprises a positioning frame, the positioning frame is provided with a telescopic rod which can be telescopically extended upwards and downwards, the positioning frame is arranged on the base, and the top pressing assembly is arranged on the telescopic rod.

5. A steering wheel steering force to steering angle detector calibration device according to claim 4, characterised in that, The top end of the support is provided with a sliding hole, the bottom end of the telescopic rod is inserted into the sliding hole, the side wall of the sliding hole is provided with a positioning screw hole and a positioning screw, and the positioning screw is screwed into the positioning screw hole to lock and position the telescopic rod.

6. The steering wheel steering force steering angle detector calibration device according to claim 1, wherein The base is provided with a sliding groove, the bottom of the support is provided with a locking assembly, and the locking assembly can lock the support at different positions of the sliding groove.

7. A steering wheel steering force to steering angle detector calibration device according to claim 6, characterised in that, The locking assembly comprises a locking screw, the bottom of the support is provided with a locking screw hole, and the locking screw is screwed into the locking screw hole through the sliding groove.

8. The steering wheel steering force steering angle detector calibration device of claim 1, wherein, The bottom of the mounting frame is provided with a locking screw hole, the locking assembly comprises a locking screw, the locking screw is screwed into the locking screw hole and is in butt joint with the base to lock the position of the mounting frame.

9. A steering wheel steering force to steering angle detector calibration device according to any one of claims 1 to 8, characterised in that, The mounting frame is provided with a clamping assembly, the mounting frame is provided with a mounting hole and a mounting screw, the mounting screw is screwed into the mounting hole from bottom to top, and the clamping assembly is screwed on the mounting frame by the mounting screw.

10. A steering wheel steering force to steering angle detector calibration device according to claim 9, characterised in that, The clamping assembly comprises a U-shaped groove and a clamping screw, the side wall of the U-shaped groove is provided with a clamping screw hole, the clamping screw is screwed into the clamping screw hole, the end of the clamping screw is provided with a clamping plate, and the clamping plate is arranged in the U-shaped groove.

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