High-precision bearing pairing and pressing device

By designing an automated bearing pairing and clamping device, and utilizing the synergistic effect of an electric cylinder and a hydraulic nut, the problem of time-consuming and labor-intensive manual clamping in existing technologies has been solved, achieving efficient automatic clamping of bearings and improving the working efficiency and stability of mechanical equipment.

CN223801908UActive Publication Date: 2026-01-16SHANDONG SENJI BEARING TECH CO LTD
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Patent Information

Application Number
CN202520409537.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-01-16
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

Existing bearing mating and clamping devices require manual operation, which is time-consuming, labor-intensive, and inefficient, making it difficult to meet the needs of efficient installation.

Method used

A high-precision bearing pairing and clamping device was designed, comprising a worktable, a hydraulic nut, a clamping and fixing plate, an electric cylinder, and an integrated control panel. The automatic clamping of the bearing is achieved through the automated operation of the electric cylinder and the hydraulic nut, and the automatic fixing and clamping are achieved by the synergistic action of the drive components and the motor.

Benefits of technology

It achieves automated bearing clamping, improves work efficiency, saves time and labor, ensures a tight connection between the bearing and related components, and enhances the operational stability and reliability of mechanical equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-precision bearing pairing and pressing device, which belongs to the technical field of bearing pairing and pressing devices and comprises a workbench and a hydraulic nut, a sliding groove is arranged in the middle of the upper end of the workbench, clamping and fixing plates are symmetrically mounted in the sliding groove through a driving component, and a bearing and a space ring are sleeved on the outer side of a rotating shaft. An L-shaped plate is fixedly mounted on one side of the upper end of the workbench, an electric cylinder is fixedly mounted at one end of the L-shaped plate, a mounting plate is fixedly mounted at the output end of the electric cylinder, a rotating plate is rotatably mounted at the lower end of the mounting plate, one end of the rotating plate is fixedly connected with a hydraulic nut through a round rod, and an integrated control panel is fixedly mounted at one end of the L-shaped plate. The electric air cylinder is electrically connected with the integrated control panel, the rotating shaft is automatically fixed by moving the clamping and fixing plates in the opposite directions, paired bearings can be automatically pressed by automatically moving the hydraulic nut, convenience and rapidness are achieved, time and labor are saved, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a high accuracy bearing pairing compression device belongs to bearing pairing compression device technical field. BACKGROUND

[0002] In some mechanical applications, bearing pairing can meet the specific work requirements, and the friction performance of the paired bearings directly affects the service life, stability and reliability of the system platform. During the bearing installation process, the bearing pairing compression device is generally used for compression. Correct pairing compression can ensure that the cooperation between the bearing and the related parts meets the design requirements, so that the inner ring of the bearing and the shaft and the outer ring and the seat hole are tightly combined, avoiding problems such as looseness and displacement during operation, thereby ensuring the normal operation of the mechanical equipment.

[0003] The common bearing pairing compression device is generally manually compressed by the hydraulic nut by the staff during use, so that the inner ring of the bearing and the rotating shaft are tightly combined. However, it is inconvenient, time-consuming and laborious to compress, and the efficiency is low. UTILITY MODEL CONTENTS

[0004] The utility model discloses a high accuracy bearing pairing compression device can automatically compress the bearing and improve work efficiency.

[0005] The utility model discloses a high accuracy bearing pairing compression device through the following technical scheme to realize above-mentioned purpose, a high accuracy bearing pairing compression device, including workbench and hydraulic nut, the workbench upper end middle position is set with sliding slot, the sliding slot is fixed with the clamping fixed plate who is used for fixing rotating shaft through drive assembly symmetry, the rotating shaft outside sleeve joint has bearing and spacer, workbench upper end one side fixed mounting has L shaped board, L shaped board one end fixed mounting has electric cylinder, electric cylinder output fixed mounting has mounting plate, the mounting plate lower end rotatory mounting has rotating plate, rotating plate one end passes through round rod with hydraulic nut is fixedly connected, L shaped board one end fixed mounting has integrated control panel, electric cylinder with integrated control panel is electrically connected, when using, the inside setting of integrated control panel has controller, is used for controlling each part, electric cylinder is used for moving mounting plate up and down, rotating plate is used for rotating hydraulic nut, the clamping fixed plate is used for fixing rotating rod, drive assembly is used for moving clamping fixed plate.

[0006] Preferably, in order for the sliding blocks to move simultaneously in opposite directions, the drive assembly includes a bidirectional lead screw and a first motor. The bidirectional lead screw is rotatably mounted in the sliding groove, and sliding blocks are slidably mounted on both sides of the sliding groove. One end of each sliding block is fixedly connected to the clamping and fixing plate. The bidirectional lead screw is threadedly connected to the sliding block. The first motor is a servo motor capable of forward and reverse rotation. The bidirectional lead screw is used to adjust the position of the sliding blocks.

[0007] Preferably, in order for the bidirectional lead screw to rotate, the first motor is fixedly installed on one side of the worktable, and the output end of the first motor is fixedly connected to the bidirectional lead screw.

[0008] Preferably, in order to control the first motor, the first motor is electrically connected to the integrated control panel.

[0009] Preferably, in order to enable the rotating plate to rotate, a placement slot for placing a second motor is provided at the middle position of the lower end of the mounting plate. The output end of the second motor is fixedly connected to the rotating plate, and the second motor is fixedly installed in the placement slot. The second motor is a servo motor.

[0010] Preferably, in order to control the second motor, the second motor is electrically connected to the integrated control panel.

[0011] Preferably, in order to make the rotating plate rotate smoothly, an annular groove is provided at the lower end of the mounting plate, and an arc-shaped block is slidably installed in the annular groove. The arc-shaped block is fixedly connected to the rotating plate, and two arc-shaped blocks are symmetrically arranged.

[0012] Preferably, in order for the hydraulic nut to rotate, one end of the round rod is fixedly installed on both sides of the lower end of the rotating plate, and the other end of the round rod is fixedly connected to the hydraulic nut.

[0013] The beneficial effects of this utility model are: when in use, the rotating shaft is automatically fixed by the opposing moving clamping and fixing plates, and the paired bearings are automatically tightened by the automatically moving hydraulic nut, which is convenient, quick, time-saving, labor-saving and improves work efficiency. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 2 This is a schematic diagram of the mounting plate connection structure of this utility model.

[0016] Figure 3 This is a schematic diagram of the drive component structure of this utility model.

[0017] Figure 4 The utility model discloses a rotating plate connecting structure schematic diagram.

[0018] Figure 5 The utility model discloses a bearing and spacer ring connecting structure schematic diagram.

[0019] In the drawing: 1, workbench, 2, hydraulic nut, 3, sliding groove, 4, drive assembly, 401, bidirectional screw, 402, first motor, 403, sliding block, 5, clamping fixed plate, 6, bearing, 7, spacer ring, 8, L-shaped plate, 9, electric cylinder, 10, mounting plate, 11, rotating plate, 12, integrated control panel, 13, second motor, 14, annular groove, 15, arc block, 16, round rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5As shown, a high-precision bearing pairing compression device, including a workbench 1 and a hydraulic nut 2, the upper end of the workbench 1 is provided with a sliding groove 3 in the middle, the sliding groove 3 is symmetrically provided with a clamping fixed plate 5 for fixing the rotating shaft through a drive assembly 4, the rotating shaft is sleeved with a bearing 6 and a spacer 7 outside, an L-shaped plate 8 is fixedly installed on one side of the upper end of the workbench 1, an electric cylinder 9 is fixedly installed on one end of the L-shaped plate 8, an installation plate 10 is fixedly installed on the output end of the electric cylinder 9, a rotating plate 11 is rotatably installed on the lower end of the installation plate 10, the rotating plate 11 is fixedly connected with the hydraulic nut 2 through a round rod 16 at one end, an integrated control panel 12 is fixedly installed on one end of the L-shaped plate 8, the electric cylinder 9 is electrically connected with the integrated control panel 12, a placing groove for placing a second motor 13 is formed in the middle of the lower end of the installation plate 10, the output end of the second motor 13 is fixedly connected with the rotating plate 11, the second motor 13 is electrically connected with the integrated control panel 12, an annular groove 14 is formed in the lower end of the installation plate 10, an arc-shaped block 15 is slidably installed in the annular groove 14, the arc-shaped block 15 is fixedly connected with the rotating plate 11, the round rod 16 is fixedly installed on both sides of the lower end of the rotating plate 11 at one end, the other end of the round rod 16 is fixedly connected with the hydraulic nut 2, when in use, an external thread is arranged on the outside of one end of the rotating shaft, which is engaged with the thread inside the hydraulic nut 2, first manually place the rotating shaft between the clamping fixed plates 5, then start the drive assembly 4 through the integrated control panel 12, move the clamping fixed plates 5 towards each other to fix the rotating shaft, then manually sleeve the bearing 6 and the spacer 7 outside the rotating shaft, the number of bearings 6 can be determined according to actual needs, then sleeve the collar outside the rotating shaft, the upper end of the bearing 6, then manually start the electric cylinder 9 at one end of the L-shaped plate 8 through the integrated control panel 12, drive the installation plate 10 to move downward, the hydraulic nut 2 moves downward accordingly, when the external thread arranged on the outside of one end of the rotating shaft is reached, start the second motor 13 through the integrated control panel 12, drive the rotating plate 11 to rotate, the round rod 16 rotates accordingly, make the hydraulic nut 2 rotate, fixedly through the inside thread outside the rotating shaft, then connect the connecting pipe at one end of the hydraulic nut 2 with the external pressure device, the hydraulic nut 2 and the pressure device are both existing structures, conventional equipment can be selected, pressurize through the pressure device, make the inner ring of the bearing 6 closely combine with the rotating shaft, realize automatic compression of the paired bearing 6, convenient and fast, save time and effort, improve work efficiency, after the pressurization is completed, separate the hydraulic nut 2 and the pressure device, reset the hydraulic nut 2 through the integrated control panel 12, then manually install the annular nut outside the rotating shaft for further reinforcement.

[0022] As Figure 2 With Figure 3As shown, the driving assembly 4 comprises a bidirectional screw rod 401 and a first motor 402, the bidirectional screw rod 401 is rotatably installed in the sliding groove 3, the sliding blocks 403 are slidably installed on both sides of the sliding groove 3, one end of the sliding block 403 is fixedly connected with the clamping fixed plate 5, the bidirectional screw rod 401 is threadedly connected with the sliding block 403, the first motor 402 is fixedly installed on one side of the workbench 1, the output end of the first motor 402 is fixedly connected with the bidirectional screw rod 401, the first motor 402 is electrically connected with the integrated control panel 12, in use, one end of the clamping fixed plate 5 is provided with an antiskid pad made of rubber, first, the first motor 402 is started through the integrated control panel 12, the bidirectional screw rod 401 is driven to rotate, the sliding block 403 moves in the sliding groove 3, the clamping fixed plate 5 moves towards the other end, the rotating shaft is automatically fixed, the antiskid pad increases the friction between the rotating shaft and the clamping fixed plate 5, after the bearing 6 is pressed tightly, the first motor 402 is reversed through the integrated control panel 12, the clamping fixed plate 5 moves towards the other end, the fixed effect of the rotating shaft is released, and then it can be manually removed.

[0023] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the above description, and it is intended to embrace all changes falling within the meaning and range of equivalents of the elements of the claims. Any reference signs in the claims should not be considered as limiting the claims involved.

[0024] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A high-precision bearing pairing pressing device, comprising a workbench (1) and a hydraulic nut (2), characterized in that: The middle position of the upper end of the workbench (1) is provided with a sliding groove (3), a clamping fixed plate (5) for fixing a rotating shaft is symmetrically installed in the sliding groove (3) through a driving assembly (4), a bearing (6) and a spacer ring (7) are sleeved outside the rotating shaft, an L-shaped plate (8) is fixedly installed on one side of the upper end of the workbench (1), an electric cylinder (9) is fixedly installed on one end of the L-shaped plate (8), an installation plate (10) is fixedly installed at the output end of the electric cylinder (9), a rotating plate (11) is rotatably installed at the lower end of the installation plate (10), one end of the rotating plate (11) is fixedly connected with the hydraulic nut (2) through a circular rod (16), an integrated control panel (12) is fixedly installed on one end of the L-shaped plate (8), and the electric cylinder (9) is electrically connected with the integrated control panel (12).

2. A high precision bearing pairing presser device according to claim 1, characterized in that: The driving assembly (4) comprises a bidirectional screw rod (401) and a first motor (402), the bidirectional screw rod (401) is rotatably installed in the sliding groove (3), sliding blocks (403) are slidably installed on both sides in the sliding groove (3), one end of the sliding block (403) is fixedly connected with the clamping fixed plate (5), and the bidirectional screw rod (401) is threadedly connected with the sliding block (403).

3. A high precision bearing pairing presser device according to claim 2, characterized in that: The first motor (402) is fixedly installed on one side of the workbench (1), and the output end of the first motor (402) is fixedly connected with the bidirectional screw rod (401).

4. A high precision bearing pairing presser device according to claim 3, characterised in that: The first motor (402) is electrically connected with the integrated control panel (12).

5. The high precision bearing pairing presser device of claim 1, wherein: A placing groove for placing a second motor (13) is formed in the middle position of the lower end of the installation plate (10), and the output end of the second motor (13) is fixedly connected with the rotating plate (11).

6. A high precision bearing pairing presser device according to claim 5, characterised in that: The second motor (13) is electrically connected with the integrated control panel (12).

7. The high precision bearing pairing presser device of claim 1, wherein: An annular groove (14) is formed in the lower end of the installation plate (10), and an arc-shaped block (15) is slidably installed in the annular groove (14), and the arc-shaped block (15) is fixedly connected with the rotating plate (11).

8. The high precision bearing match-up presser device of claim 1, wherein: One end of the circular rod (16) is fixedly installed on both sides of the lower end of the rotating plate (11), and the other end of the circular rod (16) is fixedly connected with the hydraulic nut (2).