Motor shaft expansion sleeve inspection fixture

By designing the motor shaft expansion sleeve inspection tool, using the detection device and clamping components, the problem of the vernier caliper easily tilting when measuring the inner diameter of the motor shaft expansion sleeve is solved, and the accuracy of the measurement results and the stable installation of the motor shaft expansion sleeve are achieved.

CN222718830UActive Publication Date: 2025-04-04DALIAN ZHIBO PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202421509680.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-28
Publication Date
2025-04-04
Estimated Expiration
2034-06-28

AI Technical Summary

Technical Problem

When measuring the inner diameter of the motor shaft expansion sleeve, the vernier caliper is prone to tilt, resulting in errors in the measurement results.

Method used

A motor shaft expansion sleeve inspection tool is designed, including a detection device and a clamping assembly. The detection device consists of a base, a pillar and a vernier caliper. The vernier caliper is kept horizontal through the pillar and the mounting assembly; the clamping assembly is clamped and fixed to the motor shaft expansion sleeve through the mounting plate, clamping bolts and connecting rods.

Benefits of technology

It effectively prevents the vernier caliper from tilting, ensures the accuracy of measurement results, and facilitates the measurement and installation of the motor shaft expansion sleeve.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of motor shaft expansion sleeves. The utility model discloses a motor shaft expansion sleeve inspection tool, including a detection device and a clamping assembly. The detection device includes a base, two pillars and a vernier caliper. The bottoms of the two pillars are respectively fixedly connected to the left and right sides of the top of the base. The vernier caliper is located at the top of the base. The clamping assembly includes a mounting plate, a clamping bolt, two connecting rods and two clamping members. The mounting plate is arranged on the top of the base. The utility model measures the inner diameter of the motor shaft expansion sleeve through the detection device by setting structural components such as a detection device and a base, clamps and fixes the motor shaft expansion sleeve through the clamping assembly, keeps the vernier caliper horizontal through the mounting assembly, and fixes the mounting plate through the connecting assembly, thereby achieving the effect of facilitating the measurement of the inner diameter of the motor shaft expansion sleeve and solving the problem of the vernier caliper tilting and causing errors in the measurement results.
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Description

Technical Field

[0001] The utility model belongs to the technical field of motor shaft expansion sleeves, in particular to a motor shaft expansion sleeve inspection tool. Background Art

[0002] The motor shaft expansion sleeve is a coupling used to connect the motor shaft and the mechanical equipment shaft, allowing relative displacement in the axial direction. While transmitting torque, it solves the shaft alignment problem caused by temperature changes or axial displacement. The expansion sleeve fastens the two half sleeves together through fasteners, fixes them on the shaft, and transmits torque through the friction between the inner sleeve and the shaft.

[0003] During the production of motor shaft expansion sleeves, in order to ensure the normal operation of the motor and extend the service life of the equipment, the fit between the motor shaft and the inner diameter of the motor shaft expansion sleeve needs to have strict dimensional tolerance requirements, and the inner diameter of the motor shaft expansion sleeve needs to be measured to ensure that the shaft can be correctly and smoothly installed and rotated. When measuring the inner diameter of the motor shaft expansion sleeve, a vernier caliper is used. The two measuring ends of the vernier caliper are fitted with the inner wall of the motor shaft expansion sleeve to measure whether the inner diameter of the motor shaft expansion sleeve meets the standard. The problem with the above technology is that when the worker holds the vernier caliper to measure the inner diameter of the motor shaft expansion sleeve, the vernier caliper may be tilted, resulting in erroneous measurement results. Summary of the invention

[0004] In view of the problems existing in the prior art, the utility model provides a motor shaft expansion sleeve inspection fixture which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is implemented as follows: a motor shaft expansion sleeve inspection fixture comprises a detection device and a clamping assembly, the detection device comprises a base, two pillars and a vernier caliper, the bottoms of the two pillars are respectively fixedly connected to the left and right sides of the top of the base, the vernier caliper is located at the top of the base, the clamping assembly comprises a mounting plate, a clamping bolt, two connecting rods and two clamping members, the mounting plate is arranged on the top of the base, the front and rear sides of the surface of the clamping bolt are respectively movably connected to the front and rear sides of the inside of the mounting plate, the insides of the two connecting rods are respectively threadedly connected to the front and rear sides of the surface of the clamping bolt, the surfaces of the two connecting rods are respectively slidably connected to the front and rear sides of the inside of the mounting plate, the bottoms of the two clamping members are both fixedly connected to the tops of the two connecting rods, and the surface of the front clamping member is movably connected to the surface of the rear clamping member;

[0006] The detection device is used to measure the inner diameter size of the motor shaft expansion sleeve;

[0007] The clamping assembly is used to clamp and fix the motor shaft expansion sleeve.

[0008] In order to keep the mounting plate stable on the top of the base, preferably, the bottom of the mounting plate is fixedly connected to a fixed tooth plate, the bottom of the fixed tooth plate is fixedly connected to a connecting disk, the top of the connecting disk surface is movably connected to the top inside the base, the rear side of the vernier caliper is provided with a mounting assembly, the interior of the base is provided with a connecting assembly, and the rear side of the mounting assembly is provided with a fixing assembly, and the moving direction of the mounting plate is limited by the coordinated use of the fixed tooth plate and the connecting disk, and the rotation of the fixed tooth plate is limited by the connecting assembly, so that the mounting plate remains stable.

[0009] The top and bottom of the slide bar are respectively fixedly connected to the top and bottom of the right pillar, and the left and right sides of the surface of the slide bar are movably connected to the inside of the two pillars. The right side of the inside of the mounting rod is slidably connected to the surface of the slide bar, and the rear side of the slide bar is movably connected to the front side of the mounting rod. The front side of the connecting block is fixedly connected to the rear side of the slide bar, and the surface of the connecting block is slidably connected to the inside of the mounting rod. The front side of the slide bar is movably connected to the left and right sides of the rear side of the mounting rod, and the surface of the slide bar is slidably connected to the inside of the left pillar. The moving direction of the slide bar is limited by the connecting block, so that the slide bar slides on the front side of the mounting rod, and the moving direction of the mounting rod is limited by the sliding bar and the slide bar, so that the mounting rod remains horizontal during the movement, thereby preventing the slide bar from tilting.

[0010] In order to facilitate the adjustment of the measuring position of the motor shaft expansion sleeve, preferably, the connecting assembly includes two connecting tooth plates, a connecting seat, a supporting spring and two pull rods, the opposite ends of the surfaces of the two connecting tooth plates are movably connected to the surface of the fixed tooth plate, the bottoms of the two connecting tooth plates are respectively fixedly connected to the left and right sides of the top of the connecting seat, the left and right sides of the surface of the connecting seat are both movably connected to the inside of the base, the top of the supporting spring is fixedly connected to the bottom of the connecting seat, the bottom of the supporting spring is fixedly connected to the bottom of the base, the opposite ends of the two pull rods are respectively fixedly connected to the left and right sides of the connecting seat, and the surfaces of the two pull rods are respectively slidably connected to the left and right sides of the inside of the base, by moving the two pull rods downward, the connecting seat is driven downward during the movement of the two pull rods, and the connecting tooth plate is driven downward during the downward movement of the connecting seat, the connecting tooth plate is disengaged from the fixed tooth plate, and the mounting plate is rotated to adjust the measuring angle of the motor shaft expansion sleeve.

[0011] In order to facilitate the fixation of the motor shaft expansion sleeve, preferably, the fixing assembly includes a fixing box, a fixing plate and two fixing springs, the front side of the fixing box is fixedly connected to the rear side of the slider, the front side of the fixing box is movably connected to the rear side of the left pillar, the surface of the fixing plate is slidably connected to the top inside the fixing box, the front sides of the two fixing springs are fixedly connected to the rear side of the fixing plate, the rear sides of the two fixing springs are fixedly connected to the inside of the fixing box, the bottom of the fixing plate contacts the top of the left pillar to limit the movement of the fixing box, so that the mounting rod remains stable and the vernier caliper is fixed to a high place, thereby installing the motor shaft expansion sleeve.

[0012] In order to prevent the connecting seat from tilting during the movement and causing jamming, preferably, the left and right sides of the base are fixedly connected to limit rods, and the surfaces of the two limit rods are slidingly connected to the left and right sides of the connecting seat respectively. The moving direction of the connecting seat is limited by the two limit rods, so that the connecting seat remains stable during the movement.

[0013] In order to improve the stability of the two clamping members, preferably, the left and right sides of the front clamping member are slidably connected with synchronization rods, and the sides of the two synchronization rods close to the rear clamping member are slidably connected to the interior of the rear clamping member. The moving directions of the two connecting members are limited by the two synchronization rods, so that the two clamping members are kept in close contact, thereby improving the stability of the two clamping members.

[0014] The utility model provides structural components such as a detection device, a base, a support, a vernier caliper and a clamping assembly. The detection device measures the inner diameter of the motor shaft expansion sleeve, the clamping assembly clamps and fixes the motor shaft expansion sleeve, the installation assembly keeps the vernier caliper horizontal, the connecting assembly fixes the mounting plate, and the fixing assembly facilitates the installation of the motor shaft expansion sleeve, thereby achieving the effect of conveniently measuring the inner diameter of the motor shaft expansion sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of a three-dimensional structure provided by an embodiment of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the interior of the base provided by the embodiment of the utility model when viewed from above;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of a clamping assembly provided by an embodiment of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the installation assembly provided by the embodiment of the utility model;

[0019] Figure 5 The utility model embodiment provides Figure 4A magnified view of the three-dimensional structure at center A;

[0020] Figure 6 It is a schematic diagram of the three-dimensional structure inside the base provided by an embodiment of the utility model.

[0021] In the figure: 1. detection device; 101. base; 102. pillar; 103. vernier caliper; 2. clamping assembly; 201. mounting plate; 202. clamping bolt; 203. connecting rod; 204. clamping piece; 3. fixed tooth plate; 4. connecting plate; 5. mounting assembly; 501. slide rod; 502. mounting rod; 503. connecting block; 504. slider; 6. connecting assembly; 601. connecting tooth plate; 602. connecting seat; 603. supporting spring; 604. pulling rod; 7. fixing assembly; 701. fixing box; 702. fixing plate; 703. fixing spring; 8. limiting rod; 9. synchronization rod. DETAILED DESCRIPTION

[0022] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0023] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 6As shown, the motor shaft expansion sleeve inspection fixture provided by the embodiment of the utility model includes a detection device 1 and a clamping assembly 2, the detection device 1 includes a base 101, two pillars 102 and a vernier caliper 103, the bottoms of the two pillars 102 are fixedly connected to the left and right sides of the top of the base 101 respectively, the vernier caliper 103 is located at the top of the base 101, the clamping assembly 2 includes a mounting plate 201, a clamping bolt 202, two connecting rods 203 and two clamping members 204, the mounting plate 201 is arranged on the top of the base 101, the front and rear sides of the surface of the clamping bolt 202 are movably connected to the front and rear sides of the inside of the mounting plate 201 respectively, the insides of the two connecting rods 203 are respectively threadedly connected to the front and rear sides of the surface of the clamping bolt 202, and the two connecting rods 203 are respectively threadedly connected to the front and rear sides of the surface of the clamping bolt 202. The surfaces are respectively slidably connected to the front and rear sides of the interior of the mounting plate 201, the bottoms of the two clamping members 204 are fixedly connected to the tops of the two connecting rods 203, and the surface of the front clamping member 204 is movably connected to the surface of the rear clamping member 204; the detection device 1 is used to measure the inner diameter size of the motor shaft expansion sleeve; the clamping assembly 2 is used to clamp and fix the motor shaft expansion sleeve, in order to keep the mounting plate 201 stable on the top of the base 101, the bottom of the mounting plate 201 is fixedly connected to a fixed tooth plate 3, and the bottom of the fixed tooth plate 3 is fixedly connected to a connecting disk 4, and the top of the surface of the connecting disk 4 is movably connected to the top of the interior of the base 101, the rear side of the vernier caliper 103 is provided with a mounting assembly 5, and the interior of the base 101 is provided with a connecting assembly 6, and the mounting assembly 5 A fixing assembly 7 is provided on the rear side. The moving direction of the mounting plate 201 is limited by the cooperation of the fixing tooth plate 3 and the connecting plate 4. The rotation of the fixing tooth plate 3 is limited by the connecting assembly 6, so that the mounting plate 201 remains stable. In order to keep the vernier caliper 103 horizontal, the mounting assembly 5 includes a slide bar 501, a mounting rod 502, a connecting block 503 and a slider 504. The top and bottom of the slide bar 501 are respectively fixedly connected to the top and bottom of the inside of the right pillar 102, the left and right sides of the surface of the mounting rod 502 are movably connected to the inside of the two pillars 102, the right side of the inside of the mounting rod 502 is slidably connected to the surface of the slide bar 501, the rear side of the vernier caliper 103 is movably connected to the front side of the mounting rod 502, and the front side of the connecting block 503 is connected to the vernier caliper 103. The rear side of the caliper 103 is fixedly connected, the surface of the connecting block 503 is slidably connected to the inside of the mounting rod 502, the front side of the slider 504 is movably connected to the left and right sides of the rear side of the mounting rod 502, and the surface of the slider 504 is slidably connected to the inside of the left pillar 102. The moving direction of the vernier caliper 103 is limited by the connecting block 503, so that the vernier caliper 103 slides on the front side of the mounting rod 502. The moving direction of the mounting rod 502 is limited by the sliding rod 501 and the slider 504, so that the mounting rod 502 remains horizontal during the movement, thereby preventing the vernier caliper 103 from tilting. In order to facilitate the adjustment of the measuring position of the motor shaft expansion sleeve, the connecting assembly 6 includes two connecting tooth plates 601, a connecting seat 602, a supporting spring 603 and two pull rods 604.The opposite ends of the surfaces of the two connecting tooth plates 601 are movably connected to the surface of the fixed tooth plate 3, the bottoms of the two connecting tooth plates 601 are respectively fixedly connected to the left and right sides of the top of the connecting seat 602, the left and right sides of the surface of the connecting seat 602 are both movably connected to the inside of the base 101, the top of the support spring 603 is fixedly connected to the bottom of the connecting seat 602, the bottom of the support spring 603 is fixedly connected to the bottom inside the base 101, the opposite ends of the two pull rods 604 are respectively fixedly connected to the left and right sides of the connecting seat 602, the surfaces of the two pull rods 604 are respectively slidably connected to the left and right sides inside the base 101, By moving the two pull rods 604 downward, the two pull rods 604 drive the connecting seat 602 to move downward during the movement, and the connecting seat 602 drives the connecting tooth plate 601 to move downward during the downward movement, so that the connecting tooth plate 601 is out of contact with the fixed tooth plate 3, and the mounting plate 201 is rotated to adjust the measuring angle of the motor shaft expansion sleeve. In order to facilitate the fixation of the motor shaft expansion sleeve, the fixing assembly 7 includes a fixing box 701, a fixing plate 702 and two fixing springs 703. The front side of the fixing box 701 is fixedly connected to the rear side of the slider 504, and the front side of the fixing box 701 is movably connected to the rear side of the left support 102. The surface of the fixed plate 702 is slidably connected to the top of the fixed box 701, the front sides of the two fixed springs 703 are fixedly connected to the rear side of the fixed plate 702, and the rear sides of the two fixed springs 703 are fixedly connected to the inside of the fixed box 701. The bottom of the fixed plate 702 contacts the top of the left support 102 to limit the movement of the fixed box 701, so that the mounting rod 502 remains stable and the vernier caliper 103 is fixed to a high place, so as to install the motor shaft expansion sleeve. In order to prevent the connecting seat 602 from tilting during the movement and causing jamming, the left and right sides of the base 101 are fixedly connected to the limit rod 8. The surfaces of the limit rods 8 are respectively slidably connected to the left and right sides of the connection seat 602. The two limit rods 8 limit the movement direction of the connection seat 602, so that the connection seat 602 remains stable during the movement. In order to improve the stability of the two clamping members 204, the left and right sides of the front clamping member 204 are slidably connected with synchronization rods 9. The sides of the two synchronization rods 9 close to the rear clamping member 204 are slidably connected to the interior of the rear clamping member 204. The movement directions of the two connecting members are limited by the two synchronization rods 9, so that the two clamping members 204 remain in close contact, thereby improving the stability of the two clamping members 204.

[0025] When measuring the inner diameter of the motor shaft expansion sleeve, place the motor shaft expansion sleeve on the top of the mounting plate 201, the motor shaft expansion sleeve is located at the opposite end of the two clamping pieces 204, rotate the clamping bolt 202, and the clamping bolt 202 drives the two connecting rods 203 to move toward the opposite end during the rotation, and the two connecting rods 203 drive the two clamping pieces 204 to move during the movement, and the two clamping pieces 204 are in contact with the motor shaft expansion sleeve and fix the motor shaft expansion sleeve, and move the two pull rods 604 downward, and the two pull rods 604 drive the connecting seat 602 to move downward during the movement of the two pull rods 604, and the connecting tooth plate is driven during the downward movement of the connecting seat 602 601 moves downward, the connecting tooth plate 601 is disengaged from the fixed tooth plate 3, the mounting plate 201 is rotated, thereby adjusting the measuring angle of the motor shaft expansion sleeve, the fixed plate 702 is moved backward, the fixed plate 702 is disengaged from the left support 102, the mounting rod 502 is moved downward, and the vernier caliper 103 is driven to move downward during the movement of the mounting rod 502, and the moving direction of the mounting rod 502 is limited by the slide bar 501 and the slider 504, so that the mounting rod 502 remains horizontal during the movement to prevent the vernier caliper 103 from tilting, and the vernier caliper 103 is moved to measure the inner diameter of the motor shaft expansion sleeve through the vernier caliper 103.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0027] The above description is only a preferred embodiment of the utility model, and does not constitute any form of limitation to the utility model. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent will not depart from the scope of the technical solution of the utility model.

Claims

1. A motor shaft expansion sleeve inspection fixture, comprising a detection device (1) and a clamping assembly (2), characterized in that: The detection device (1) comprises a base (101), two pillars (102) and a vernier caliper (103), wherein the bottoms of the two pillars (102) are fixedly connected to the left and right sides of the top of the base (101), respectively, and the vernier caliper (103) is located on the top of the base (101). The clamping assembly (2) comprises a mounting plate (201), a clamping bolt (202), two connecting rods (203) and two clamping members (204), wherein the mounting plate (201) is arranged on the top of the base (101), and the clamping bolt (202) is arranged on the top of the base (101). The front and rear sides of the surface of the two connecting rods (202) are respectively movably connected to the front and rear sides of the interior of the mounting plate (201); the interiors of the two connecting rods (203) are respectively threadedly connected to the front and rear sides of the surface of the clamping bolt (202); the surfaces of the two connecting rods (203) are respectively slidably connected to the front and rear sides of the interior of the mounting plate (201); the bottoms of the two clamping members (204) are fixedly connected to the tops of the two connecting rods (203); and the surface of the front clamping member (204) is movably connected to the surface of the rear clamping member (204); The detection device (1) is used to measure the inner diameter of the motor shaft expansion sleeve; The clamping assembly (2) is used to clamp and fix the motor shaft expansion sleeve.

2. The motor shaft expansion sleeve inspection fixture according to claim 1, characterized in that: The bottom of the mounting plate (201) is fixedly connected to a fixed tooth plate (3), the bottom of the fixed tooth plate (3) is fixedly connected to a connecting plate (4), the top of the surface of the connecting plate (4) is movably connected to the top of the inside of the base (101), the rear side of the vernier caliper (103) is provided with a mounting component (5), the inside of the base (101) is provided with a connecting component (6), and the rear side of the mounting component (5) is provided with a fixing component (7).

3. The motor shaft expansion sleeve inspection fixture as claimed in claim 2, characterized in that: The mounting assembly (5) comprises a slide bar (501), a mounting bar (502), a connecting block (503) and a sliding block (504); the top and bottom of the slide bar (501) are respectively fixedly connected to the top and bottom of the inside of the right pillar (102); the left and right sides of the surface of the mounting bar (502) are movably connected to the inside of the two pillars (102); the right side of the inside of the mounting bar (502) is slidably connected to the surface of the slide bar (501); the rear side of the vernier caliper (103) is movably connected to the front side of the mounting bar (502); the front side of the connecting block (503) is fixedly connected to the rear side of the vernier caliper (103); the surface of the connecting block (503) is slidably connected to the inside of the mounting bar (502); the front side of the sliding block (504) is movably connected to the left and right sides of the rear side of the mounting bar (502); and the surface of the sliding block (504) is slidably connected to the inside of the left pillar (102).

4. The motor shaft expansion sleeve inspection fixture as claimed in claim 2, characterized in that: The connecting assembly (6) comprises two connecting tooth plates (601), a connecting seat (602), a supporting spring (603) and two pulling rods (604); the opposite ends of the surfaces of the two connecting tooth plates (601) are movably connected to the surface of the fixed tooth plate (3); the bottoms of the two connecting tooth plates (601) are respectively fixedly connected to the left and right sides of the top of the connecting seat (602); the left and right sides of the surface of the connecting seat (602) are both movably connected to the inside of the base (101); the top of the supporting spring (603) is fixedly connected to the bottom of the connecting seat (602); the bottom of the supporting spring (603) is fixedly connected to the bottom inside the base (101); the opposite ends of the two pulling rods (604) are respectively fixedly connected to the left and right sides of the connecting seat (602); and the surfaces of the two pulling rods (604) are respectively slidably connected to the left and right sides inside the base (101).

5. The motor shaft expansion sleeve inspection fixture as claimed in claim 3, characterized in that: The fixing assembly (7) comprises a fixing box (701), a fixing plate (702) and two fixing springs (703); the front side of the fixing box (701) is fixedly connected to the rear side of the slider (504); the front side of the fixing box (701) is movably connected to the rear side of the left support column (102); the surface of the fixing plate (702) is slidably connected to the top of the inside of the fixing box (701); the front sides of the two fixing springs (703) are fixedly connected to the rear side of the fixing plate (702); and the rear sides of the two fixing springs (703) are fixedly connected to the inside of the fixing box (701).

6. The motor shaft expansion sleeve inspection fixture as claimed in claim 4, characterized in that: Limit rods (8) are fixedly connected to the left and right sides of the base (101), and surfaces of the two limit rods (8) are slidably connected to the left and right sides of the connection seat (602) respectively.