Coaxiality detection device

Abstract

The utility model provides a coaxiality detection device comprising a first detection assembly which is detachably connected to an end portion of a first shaft through a first connection assembly; the second detection assembly is detachably connected to the end part of the second shaft through a second connecting assembly; the first detection assembly and the second detection assembly are used for reflecting the coaxiality between the first shaft and the second shaft. The beneficial effects of the utility model are that the coaxiality detection device can detect the coaxiality of a connecting shaft before the installation of a coupling, a coupler and other connecting devices, and then carries out the subsequent work after the conditions are satisfied, thereby greatly reducing the intensity of the installation work, and improving the convenience of the work.

Description

Technical Field

[0001] This utility model belongs to the field of testing equipment, and in particular relates to a coaxiality testing device. Background Technology

[0002] Most of the equipment uses a motor to drive a reducer, and the connection between shafts transmits power. The shafts are axially connected by couplings or other structures. This type of connection is mostly based on transition fit. To prevent the connection from loosening and thus extend the service life of the key, the couplings or other equipment need to be hot-fitted or cold-pressed during installation.

[0003] Disassembly is extremely troublesome and time-consuming if coaxiality errors occur. Disassembly and assembly at the factory or on-site would increase labor time and increase the risk of damage during disassembly. Therefore, pre-installation inspection can greatly reduce the risks of subsequent disassembly and assembly. Thus, there is an urgent need for a coaxiality testing device. Utility Model Content

[0004] In view of this, the present invention aims to provide a coaxiality detection device to at least solve one of the problems in the background art.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] A coaxiality detection device, comprising:

[0007] The first detection component is detachably connected to the end of the first shaft via a first connecting component;

[0008] The second detection component is detachably connected to the end of the second shaft via the second connecting component;

[0009] The coaxiality between the first axis and the second axis is demonstrated by using the first detection component and the second detection component.

[0010] Furthermore, the first connecting assembly includes a gripper, a central connecting block, an adjusting nut, a screw, and a probe holder;

[0011] The two ends of the gripper are the first tensioning end and the first clamping end, respectively;

[0012] The first connecting part of the central connecting block is hinged to the middle part of the gripper, and the central connecting block is connected to the screw through the first nut;

[0013] The probe holder is connected to the adjusting nut via a screw.

[0014] Furthermore, the first detection component includes a laser light, and the first detection component is mounted at the center of the probe holder.

[0015] Furthermore, the second detection component includes a line marker frame, which is mounted on a probe holder, and auxiliary marking lines are provided on the surface of the line marker frame.

[0016] Furthermore, a laser rangefinder is placed around the laser light, and the laser rangefinder is mounted on the probe mount.

[0017] Furthermore, the grippers are arc-shaped, and the central connecting block is located on one side of the inner arc of the grippers.

[0018] Furthermore, a clamping part is provided at the end of the screw away from the probe holder, and a clamping plate is provided at the clamping part. One end of the clamping plate abuts against the end face of the first shaft or the second shaft, and the other end is provided with a threaded hole for connection with the screw.

[0019] Furthermore, the adjusting nut is frustum-shaped, and the axial part of the frustum-shaped adjusting nut is provided with a threaded hole that mates with the screw.

[0020] Furthermore, the first tensioning end of the clamp abuts against the side of the frustum-shaped adjusting nut.

[0021] Furthermore, the first clamping end of the gripper is clamped and fixed on the cylindrical surface of the first or second shaft.

[0022] Compared with the prior art, the coaxiality detection device of this utility model has the following advantages:

[0023] The coaxiality detection device described in this utility model can detect the coaxiality of the connecting shaft before installing connecting equipment such as couplings and couplings. After the conditions are met, subsequent work can be carried out, which greatly reduces the intensity of the installation work and improves the convenience of the work. Attached Figure Description

[0024] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0025] Figure 1 This is a schematic diagram of the assembly relationship of the coaxiality detection device according to an embodiment of the present utility model;

[0026] Figure 2 This is a schematic diagram of the mounting structure of the first shaft portion according to an embodiment of the present utility model;

[0027] Figure 3 This is a schematic diagram of the mounting structure of the second shaft portion according to an embodiment of the present utility model.

[0028] Explanation of reference numerals in the attached figures:

[0029] 1-Gripper; 2-Center connecting block; 3-Connecting bolt; 4-Screw; 5-Adjusting nut; 6-Probe holder; 7-Laser lamp; 8-Laser rangefinder; 9-Marking frame; 10-Tightening plate. Detailed Implementation

[0030] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0031] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0032] This solution discloses a coaxiality testing device, the main purpose of which is to improve the work efficiency and reduce the work intensity in the coaxiality testing process. Using the device disclosed in this solution, the coaxiality of the connecting shaft can be tested before the installation of connecting equipment such as couplings and couplings. After the conditions are met, subsequent work can be carried out, which greatly reduces the intensity of the installation work and improves the convenience of the work.

[0033] The overall concept of this solution is as follows: A three-jaw clamp 1 is used as a fixture to fix the motor shaft head to one side, and a probe frame 6 is installed. A cross laser light 7 is installed in the center of the probe frame 6, and laser rangefinders 8 are installed on both sides of the cross laser light 7. On the other side, the reducer shaft head end is fixed to the marking plate by the three-jaw clamp 1. The cross laser light 7 shines on the marking plate to confirm the up, down, left, and right positions. At the same time, the laser rangefinders 8 on both sides can detect whether there is an angular deviation of the motor shaft head in the up, down, left, and right directions by measuring horizontally and vertically. The motor can also be adjusted during the measurement. Compared with the traditional measurement method, it avoids interference with the detection data during adjustment and is more convenient to adjust.

[0034] The specific connection structure is as follows: First, the gripper 1 is used as a clamp to clamp the two shafts that need to be coaxially tested. Specifically, it can be the motor shaft head, the reducer shaft head, etc. It can also be applied to other parts that need to be coaxially tested according to actual use requirements, including but not limited to the above-mentioned applicable fields.

[0035] This solution takes the motor shaft and the reducer shaft as the first and second shafts, respectively. First, the clamp 1 is fixed on the first or second shaft. The clamp 1 in this solution has an arc-shaped structure. The middle part of the clamp 1 is connected to the central connecting block 2 through the connecting bolt 3. With the connecting bolt 3 as the fulcrum, the first tension end and the first clamping end at both ends move in a lever-like manner. In this structure, the same screw 4 runs through all the components. Using the same screw 4 can ensure that all components are concentric, which is convenient for detection and disassembly. The end of the screw 4 away from the probe frame 6 is provided with a tightening part. The tightening part is provided with a tightening plate 10. One end of the tightening plate 10 abuts against the end face of the first or second shaft, and the other end is provided with a threaded hole connected to the screw 4. By using the tightening plate 10 to abut against the end face of the first or second shaft, and cooperating with the clamp 1 to clamp and fix it on the side column of the first or second shaft, the stability of the entire device relative to the first or second shaft can be improved, which is conducive to improving the detection accuracy.

[0036] The center of the central connecting block 2 is provided with a nut for easy engagement with the screw 4. As shown in the figure, the adjusting nut 5 is frustum-shaped. The first tensioning end of the gripper 1 abuts against the side of the frustum-shaped adjusting nut 5. The axis of the adjusting nut 5 also has a threaded hole for easy engagement with the screw 4. By turning the adjusting nut 5, its position on the screw 4 is adjusted. During adjustment, the tension force on the first tensioning part of the gripper 1 abutting against the adjusting nut 5 varies, thus adjusting the clamping force of the first clamping part of the gripper 1 on the side of the first or second shaft. For example, when coaxiality testing is required, the entire device needs to be mounted on the first or second shaft. In this case, the adjusting nut 5 needs to be rotated towards the first or second shaft, at which point the first tensioning part of the gripper 1 is tightened. Due to the lever principle, the gripper 1 further... The first clamping part at one end will tightly clamp the first or second shaft, thereby achieving fixation. When it needs to be removed, simply rotate the adjusting nut 5 in the reverse direction. The size of the adjusting nut 5 in this solution can be changed according to actual usage requirements. The material of the adjusting nut 5 can be Q235B ordinary steel or rubber. At the same time, in order to prevent the adjusting nut 5 from loosening on its own under the force of the clamp 1, as shown in the figure, a locking nut is provided on the side of the adjusting nut 5 near the probe frame 6. After the position of the adjusting nut 5 is adjusted, the locking nut is used to assist in fixing the adjusting nut 5. According to the actual usage, fixation can be achieved by simply using the adjusting nut 5. In actual use, there is no situation where the adjusting nut 5 loosens. However, in order to ensure the accuracy of the test results, this solution is additionally equipped with a locking nut to further ensure the stability of the device.

[0037] During use, this solution can be equipped with instruments for indicating / representing / representing coaxiality as the first and second detection components, depending on actual usage requirements. Taking the cross laser light 7 and the line marker 9 as an example, the cross laser light 7 emits light that is displayed on the line marker 9. The line marker 9 is connected to the adjusting nut 5 via a central thread. The cross laser light 7 illuminates the line marker 9, displaying the radial deviation. The laser rangefinders 8 on both sides illuminate the line marker 9, displaying the specific measurement values. By comparing the two values, it can be determined whether there is an angle problem when the axis is aligned. At the same time, the rotation device can also measure the vertical pitch angle. The cross laser light 7 and the rangefinders in this solution can be based on existing technology.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

[0039] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for detecting coaxiality, characterized in that, include: The first detection component is detachably connected to the end of the first shaft via a first connecting component; The second detection component is detachably connected to the end of the second shaft via the second connecting component; The coaxiality between the first axis and the second axis is demonstrated by using the first detection component and the second detection component.

2. The coaxiality detection device according to claim 1, characterized in that: The first connecting assembly includes a gripper (1), a central connecting block (2), an adjusting nut (5), a screw (4), and a probe holder (6); The two ends of the gripper (1) are the first tensioning end and the first clamping end, respectively; The first connecting part of the central connecting block (2) is hinged to the middle part of the gripper (1), and the central connecting block (2) is connected to the screw (4) through the first nut; The probe holder (6) is connected to the adjusting nut (5) via a screw (4).

3. The coaxiality detection device according to claim 2, characterized in that: The first detection component includes a laser lamp (7) and is installed at the center of the probe holder (6).

4. The coaxiality detection device according to claim 2, characterized in that: The second detection component includes a line marker (9), which is mounted on a probe holder (6). The surface of the line marker (9) is provided with auxiliary marking lines.

5. The coaxiality detection device according to claim 2, characterized in that: A laser rangefinder (8) is set around the laser light (7), and the laser rangefinder (8) is mounted on the probe frame (6).

6. The coaxiality detection device according to claim 2, characterized in that: The gripper (1) is arc-shaped, and the central connecting block (2) is located on the inner arc side of the gripper (1).

7. The coaxiality detection device according to claim 2, characterized in that: The screw (4) is provided with a tightening part at one end away from the probe holder (6). The tightening part is provided with a tightening plate (10). One end of the tightening plate (10) abuts against the end face of the first shaft or the second shaft, and the other end is provided with a threaded hole connected to the screw (4).

8. The coaxiality detection device according to claim 2, characterized in that: The adjusting nut (5) is frustum-shaped, and the axial part of the frustum-shaped adjusting nut (5) is provided with a threaded hole that mates with the screw (4).

9. The coaxiality detection device according to claim 8, characterized in that: The first tensioning end of the clamp (1) abuts against the side of the frustum-shaped adjusting nut (5).

10. The coaxiality detection device according to claim 2, characterized in that: The first clamping end of the gripper (1) is clamped and fixed on the cylindrical surface of the first or second shaft.

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