Correcting tool for slewing bearing steel retainer

By designing a slewing bearing steel cage alignment fixture, and utilizing cross shaft rails and guide grooves to achieve automatic concentric clamping and release of the cage, the problem of time-consuming manual adjustment in existing technologies is solved, thus improving production efficiency.

CN223588737UActive Publication Date: 2025-11-25MAANSHAN YICHENG MACHINERY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423107497.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-25
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing slewing bearing steel cage requires repeated manual adjustments using hoisting equipment during assembly with the slewing bearing, resulting in low production efficiency.

Method used

A slewing bearing steel cage alignment fixture was designed, which uses a cross shaft rail and guide groove to achieve concentric clamping and alignment of the cage, and the rotation of the cross shaft rail to achieve automatic fixing and release of the cage, simplifying the assembly process.

Benefits of technology

This technology enables efficient concentric alignment and assembly of cages, reducing manual adjustment steps and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a correcting tool for a slewing bearing steel retainer, and belongs to the technical field of slewing bearing machining. The slewing bearing steel retainer correction tool comprises a correction tray, four guide spiral grooves are formed in the outer surface of the correction tray, sliding shafts are arranged in the guide spiral grooves, a cross shaft rail is arranged above the correction tray, and a positioning frame is arranged above the cross shaft rail. In order to solve the problems that in the process that an existing slewing bearing steel retainer and a slewing bearing are combined and assembled, hoisting equipment needs to be matched with manual repeated adjustment, the whole process is long in time consumption, and efficient production is not facilitated, when a cross shaft rail rotates clockwise, the cross shaft rail rotates clockwise, and the cross shaft rail rotates clockwise. The four sets of same-position clamping plates can move towards the center of the cross shaft rail along the guide spiral groove, the moving speed is kept synchronous, and therefore the retainer can be clamped and fixed, and meanwhile concentric correction of the retainer is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of slewing bearing machining, in particular to slewing bearing steel retainer correction frock. BACKGROUND

[0002] The slewing bearing steel retainer is a circular thin-walled part, and a plurality of uniformly distributed circular holes are formed at the same height, which are used to uniformly separate the rolling bodies in the raceway, avoid collision and friction between the rolling bodies, and move with the rolling bodies in the slewing bearing raceway.

[0003] The existing slewing bearing steel retainer needs to be repeatedly adjusted by hoisting equipment and manual work before combination and assembly with the slewing bearing, which is time-consuming and is not conducive to efficient production. UTILITY MODEL CONTENT

[0004] The utility model discloses a slewing bearing steel retainer correction frock, when the cross axle rail rotates clockwise, four groups of homoplasmy clamps will move along the guide spiral groove to the center of the cross axle rail, and the moving speed keeps synchronous, so that the retainer can be clamped and fixed, and the concentric correction of the retainer can be realized, and the problems in the prior art can be solved.

[0005] To achieve the above object, the utility model provides the following technical scheme: slewing bearing steel retainer correction frock, including correction tray, the outer surface of correction tray is provided with four guide spiral grooves, the inside of guide spiral groove is provided with sliding shaft, the top of correction tray is provided with cross axle rail, the top of cross axle rail is provided with positioning frame, wherein, the positioning frame includes truss and support shaft, the truss is connected with the support shaft through bolt, the steel retainer is placed on the top of cross axle rail, then concentric locking is carried out to it through the clamping plate mechanism around cross axle rail, and then slewing bearing is hoisted to the top of steel retainer by hoisting equipment to complete assembly operation.

[0006] Further, the support shaft is located at the two ends of the truss, and the support shaft is connected with the correction tray through bolts.

[0007] Further, the sleeve is connected with the truss through the clamping groove, and the inside of the sleeve is provided with a locking pin.

[0008] Further, the center of the cross axle rail is provided with a central shaft, and the cross axle rail is rotationally connected with the correction tray through the central shaft.

[0009] Further, the outer surface of the cross shaft rail is provided with a sliding groove, and a same-position clamping plate is arranged above the sliding groove, wherein the same-position clamping plate is connected with the guide rotating groove through a sliding shaft, when the cross shaft rail rotates clockwise, the four same-position clamping plates move to the center of the cross shaft rail along the guide rotating groove at a synchronous speed, so that the retainer can be clamped and fixed, and the concentric correction of the retainer is realized, when the cross shaft rail rotates counterclockwise, the four same-position clamping plates move outward along the guide rotating groove, so that the release operation can be realized.

[0010] Further, the top of the inside of the same-position clamping plate is provided with a limiting pad.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、The cross shaft rail rotates clockwise, and the four same-position clamping plates move to the center of the cross shaft rail along the guide rotating groove at a synchronous speed, so that the retainer can be clamped and fixed, and the concentric correction of the retainer is realized, when the cross shaft rail rotates counterclockwise, the four same-position clamping plates move outward along the guide rotating groove, so that the release operation can be realized.

[0013] 2、The utility model discloses a steel retainer is placed above the cross shaft rail, and then the concentric locking of the steel retainer is carried out through the clamping plate mechanism around the cross shaft rail, and then the slewing bearing is hoisted to the upper side of the steel retainer by hoisting equipment to complete the assembly operation, and manual repeated adjustment is not needed in the process. ACCURACY

[0014] Fig. 1 It is the overall front view of the utility model;

[0015] Fig. 2 It is the overall bottom structure schematic view of the utility model;

[0016] Fig. 3 It is the cross shaft rail structure schematic view of the utility model.

[0017] In the drawing: 1, correction tray;2, positioning frame;3, sleeve;4, cross shaft rail;101, guide rotating groove;102, sliding shaft;201, truss;202, support shaft;301, lock pin;401, sliding groove;402, same-position clamping plate;403, limiting pad;404, middle shaft. CONCRETE IMPLEMENTATION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all the other embodiments obtained by the person skilled in the art without making creative labor are within the protection scope of the present utility model.

[0019] In order to solve the problem that the existing slewing bearing steel retainer needs to be adjusted repeatedly by hoisting equipment and manpower before combination assembly with the slewing bearing, the whole process is time-consuming and is not conducive to efficient production, please refer to Figs. 1-3 The present utility model provides the following scheme:

[0020] The slewing bearing steel retainer correction tool comprises a correction tray 1, four guide rotary grooves 101 are arranged on the outer surface of the correction tray 1, a sliding shaft 102 is arranged in the guide rotary groove 101, a cross shaft rail 4 is arranged above the correction tray 1, a positioning frame 2 is arranged above the cross shaft rail 4, wherein the positioning frame 2 comprises a truss 201 and a support shaft 202, the truss 201 and the support shaft 202 are connected through bolts, the steel retainer is placed above the cross shaft rail 4, then the concentric locking of the steel retainer is performed through the clamping plate mechanism around the cross shaft rail 4, and then the slewing bearing is hoisted to the upper side of the steel retainer by the hoisting equipment to complete the assembly operation, so that the repeated adjustment of the manpower is not needed in the process;

[0021] The support shaft 202 is located at both ends of the truss 201, and the support shaft 202 is connected with the correction tray 1 through bolts, wherein a sleeve 3 is arranged in the middle segment of the truss 201, the sleeve 3 is connected with the truss 201 through a clamping groove, a locking pin 301 is arranged in the sleeve 3, the locking pin 301 is connected with the sleeve 3 through internal threads, the locking pin 301 can be inserted into the middle shaft 404 on the surface of the cross shaft rail 4 by rotating the locking pin 301, so that the locking operation of the cross shaft rail 4 is performed, and the cross shaft rail 4 cannot rotate;

[0022] The center of the cross shaft rail 4 is provided with a middle shaft 404, the cross shaft rail 4 is rotatably connected with the correction tray 1 through the middle shaft 404, wherein the middle shaft 404 is located directly below the locking pin 301, the outer surface of the cross shaft rail 4 is provided with a sliding groove 401, the upper side of the sliding groove 401 is provided with a same-position clamping plate 402, wherein the same-position clamping plate 402 is connected with the guide spiral groove 101 through the sliding shaft 102, when the cross shaft rail 4 rotates clockwise, four groups of same-position clamping plates 402 will move to the center of the cross shaft rail 4 along the guide spiral groove 101, and the moving speed is kept synchronous, so that the retainer can be clamped and fixed, and the concentric correction of the retainer can be realized, when the cross shaft rail 4 rotates counterclockwise, four groups of same-position clamping plates 402 will move outward along the guide spiral groove 101, so that the release operation can be realized, and the top of the inner side of the same-position clamping plate 402 is provided with a limiting pad 403.

[0023] Working principle, the steel retainer is placed above the cross shaft rail 4, when the cross shaft rail 4 rotates clockwise, four groups of same-position clamping plates 402 will move to the center of the cross shaft rail 4 along the guide spiral groove 101, and the moving speed is kept synchronous, so that the retainer can be clamped and fixed, and the concentric correction of the retainer can be realized, and then the slewing bearing is hoisted to the upper side of the steel retainer by the hoisting equipment to complete the assembly operation, without manual repeated adjustment in the process, when the cross shaft rail 4 rotates counterclockwise, four groups of same-position clamping plates 402 will move outward along the guide spiral groove 101, so that the release operation can be realized.

[0024] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprises", "comprising", or any other variations thereof are intended to cover non-exclusive inclusions, so that a process, method, article, or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article, or equipment.

[0025] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A slewing bearing steel cage correction tool, characterized in that, The application relates to a correction tray (1), the outer surface of the correction tray (1) is provided with four guide spiral grooves (101), the inner part of the guide spiral grooves (101) is provided with sliding shafts (102), the upper part of the correction tray (1) is provided with a cross shaft rail (4), the upper part of the cross shaft rail (4) is provided with a positioning frame (2), wherein the positioning frame (2) comprises a truss (201) and a support shaft (202), and the truss (201) and the support shaft (202) are connected through bolts.

2. The slewing ring steel cage correction fixture of claim 1, wherein: The support shaft (202) is located at the two ends of the truss (201), the support shaft (202) is connected with the correction tray (1) through bolts, and the middle section of the truss (201) is provided with a sleeve (3).

3. The slewing ring steel cage correction tool of claim 2, wherein: The sleeve (3) is connected with the truss (201) through a clamping groove, the inner part of the sleeve (3) is provided with a locking pin (301), and the locking pin (301) is connected with the sleeve (3) through internal threads.

4. The slewing ring steel cage correction tool of claim 3, wherein: The center of the cross shaft rail (4) is provided with a middle shaft (404), the cross shaft rail (4) is rotationally connected with the correction tray (1) through the middle shaft (404), and the middle shaft (404) is located directly below the locking pin (301).

5. The slewing ring steel retainer correction tool of claim 1, wherein: The outer surface of the cross shaft rail (4) is provided with a sliding groove (401), the upper part of the sliding groove (401) is provided with a homopolar clamping plate (402), and the homopolar clamping plate (402) is connected with the guide spiral groove (101) through the sliding shaft (102).

6. The slewing ring steel retainer correction tool of claim 5, wherein: The top of the inner side of the homopolar clamping plate (402) is provided with a limiting pad (403).