Novel bearing positioning and assembling tool for motor
By designing a new bearing positioning and assembly fixture, the problem of rotor seizure caused by excessive bearing pressing was solved by using physical limiting methods, thus achieving precise control and efficient assembly of bearings.
Patent Information
- Application Number
- CN202423184917.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-23
AI Technical Summary
When assembling bearings, they are easily pressed too deeply into the motor, causing the rotor to seize up. Existing technology lacks an effective method to limit this.
Design a novel bearing positioning assembly fixture comprising a base, a motor fixing sleeve, a support column, a cover plate, an internal threaded sleeve, a tube assembly rod, a cylindrical head assembly rod, a handle, and a handle rubber sleeve, which controls the bearing pressing amount through a physical limiting method.
It achieves precise control of bearing assembly, avoids rotor jamming, improves assembly efficiency and accuracy, and is suitable for bearing installation without bearing housing base.
Smart Images

Figure CN223666219U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model discloses a novel bearing positioning assembly tool for motor belongs to aviation motor process manufacturing technical field. BACKGROUND
[0002] The rotor of the motor needs to cooperate with the bearing when rotating, and the bearing chamber of part of small motors used in the airplane does not have a bearing base, so that the bearing is easily pressed into the motor when assembling, which causes the rotor to be locked. Therefore, when assembling the bearing, the physical limiting method is used to limit the pressing amount when assembling the bearing. The utility model is applied to this scene. SUMMARY
[0003] The utility model discloses a novel bearing positioning assembly tool for motor belongs to aviation motor process manufacturing technical field.
[0004] When assembling the bearing, the physical limiting method is used to limit the pressing amount when assembling the bearing, so that the rotor is prevented from being locked.
[0005] The utility model discloses a novel bearing positioning assembly tool for motor belongs to aviation motor process manufacturing technical field.
[0006] A novel bearing positioning assembly tool for motor, which comprises a base 1, a motor fixing sleeve 2, three supporting columns 3, a cover plate 4, an internal thread sleeve 5, a pipe assembly rod 6, a cylindrical head assembly rod 7, a handle 8 and a handle rubber sleeve 9.
[0007] The base 1 and the cover plate 4 are triangular plates with positioning holes, and the corners are rounded.
[0008] The motor fixing sleeve 2 has a stepped structure and a center hole.
[0009] The pipe assembly rod 6 has an internal thread hole at the bottom, a cylindrical boss on the outside, an external thread on the upper side of the boss, and a center hole at the top, which can be matched with the handle 8.
[0010] The cylindrical head assembly rod 7 has a cylindrical boss, a cylindrical head structure on the lower side of the boss, and an external thread on the upper side of the boss, which can be matched with the bottom thread hole of the pipe assembly rod 6.
[0011] The handle rubber sleeve 9 is made of rubber.
[0012] The utility model discloses a novel bearing positioning assembly tool for motor belongs to aviation motor process manufacturing technical field.
[0013] 1. Convenient to use, high efficiency, strong universality, high precision, easy to maintain.
[0014] 2. Effectively control the bearing pressure, and positively affect the bearing installation of the bearing chamber bottom base. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 The utility model structural schematic diagram.
[0016] Among them: 1 - base, 2 - motor fixed sleeve, 3 - support column, 4 - cover plate, 5 - internal thread sleeve, 6 - pipe assembly rod, 7 - cylindrical head assembly rod, 8 - handle, 9 - handle rubber sleeve, 10 - cylindrical head screw. DETAILED DESCRIPTION
[0017] The utility model is further described below in conjunction with the drawings:
[0018] As Figure 1 Indicated, a new type bearing positioning assembly tool for motor, include: base 1, motor fixed sleeve 2, 3 support column 3, cover plate 4, internal thread sleeve 5, pipe assembly rod 6, cylindrical head assembly rod 7, handle 8, handle rubber sleeve 9, cylindrical head screw 10, base 1 and cover plate 4 are triangular plate with positioning hole respectively, base 1 is fixedly installed with motor fixed sleeve 2 through cylindrical head screw 10 at the center position of base 1, and 3 support columns 3 are fixedly installed on the 3 corners of base 1 and cover plate 4 through cylindrical head screw 10, internal thread sleeve 5 is fixedly installed on the center position of the upper surface of cover plate 4 and corresponds with motor fixed sleeve 2 through cylindrical head screw 10, pipe assembly rod 6 passes through support column 3 and internal thread sleeve 5, and one end is connected with cylindrical head assembly rod 7, and the other end is connected with handle 8, and handle rubber sleeve 9 is sleeved on both ends of handle 8.
[0019] Base 1 and cover plate 4 are triangular plate with positioning hole, and each corner is rounded.
[0020] Motor fixed sleeve 2 has a first step structure and a center hole.
[0021] The bottom of pipe assembly rod 6 has an internal thread hole, the outer side has a cylindrical boss, the upper side of the boss has an external thread, the external thread can be matched with internal thread sleeve 5, and the top of pipe assembly rod 6 has a center hole and can be matched with handle 8.
[0022] Cylindrical head assembly rod 7 has a cylindrical boss, the lower side of the boss is a cylindrical head structure, the upper side of the boss has an external thread, and the external thread can be matched with the bottom thread hole of pipe assembly rod 6.
[0023] Handle rubber sleeve 9 is made of rubber material.
[0024] In use, first select the appropriate motor fixed sleeve and base fixed, rotating the cylindrical head assembly rod into the bottom of the pipe assembly rod threaded hole, and then adjust the pipe assembly rod to reach the appropriate height. The motor assembly is placed on the motor fixed sleeve, the bearing is placed above the motor bearing chamber and aligned, the handle rubber sleeve is held and the pipe assembly rod is continuously rotated until the lower side of the boss of the cylindrical head assembly rod is against the rear end cover of the motor; adjust the height of the pipe assembly rod, remove the cylindrical head assembly rod; adjust the direction of the motor, place the bearing above the motor bearing chamber and align, and extend the rotor shaft end into the center hole below the pipe assembly rod, hold the handle rubber sleeve and continuously rotate the pipe assembly rod until the lower side of the boss of the pipe assembly rod is against the front end cover of the motor; remove the motor assembly, complete the bearing assembly.
Claims
1. A novel bearing positioning assembly tool for electric machines, characterized by, It includes: Base (1), motor fixed sleeve (2), three support columns (3), cover plate (4), internally threaded sleeve (5), pipe assembly rod (6), cylindrical head assembly rod (7), handle (8), handle rubber sleeve (9); base (1) and cover plate (4) are respectively triangular plates with positioning holes; base (1) and motor fixed sleeve (2) are respectively fixedly installed at the center position of base (1), three support columns (3) are installed on three corners of base (1) and cover plate (4); internally threaded sleeve (5) is fixedly installed at the center position of the upper surface of cover plate (4) corresponding to motor fixed sleeve (2); pipe assembly rod (6) passes through support column (3) and internally threaded sleeve (5), one end is connected with cylindrical head assembly rod (7) and the other end is connected with handle (8), handle rubber sleeve (9) is sleeved on both ends of handle (8).
2. A novel bearing positioning assembly fixture for electric machines as claimed in claim 1, wherein, Base (1) and cover plate (4) are triangular plates with positioning holes, and each corner is rounded.
3. A novel bearing positioning assembly fixture for electric machines as claimed in claim 1, wherein, Motor fixed sleeve (2) has a first step structure and a center hole.
4. The novel bearing positioning assembly fixture for electric machines as claimed in claim 1, wherein, The bottom of pipe assembly rod (6) has an internally threaded hole, the outer side has a cylindrical boss, the upper side of the boss has an externally threaded hole, the externally threaded hole can cooperate with internally threaded sleeve (5), and the top of pipe assembly rod (6) has a center hole, which can cooperate with handle (8).
5. The novel bearing positioning assembly fixture for electric machines as claimed in claim 1, wherein, Cylindrical head assembly rod (7) has a cylindrical boss, the lower side of the boss is a cylindrical head structure, the upper side of the boss has an externally threaded hole, and the externally threaded hole can cooperate with the bottom threaded hole of pipe assembly rod (6).
6. A novel bearing positioning assembly fixture for electric machines as claimed in claim 1, wherein, Handle rubber sleeve (9) is made of rubber.