Cylindrical roller bearing convenient to disassemble and assemble

By designing a cylindrical roller bearing structure that is easy to disassemble and assemble, the problem of inconvenient disassembly and assemble existing bearings is solved, and the bearings are easily disassembled and repaired, ensuring the stability of the bearings.

CN223270408UActive Publication Date: 2025-08-26HANGZHOU TIANWANG BEARING CO LTD
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Patent Information

Application Number
CN202422901508.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-08-26
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

The existing cylindrical roller bearings are inconvenient for disassembly and assembly, resulting in the cylindrical rollers inside the bearing being easily worn after a long time of use, affecting the stability of the bearing.

Method used

A structure including the first and second half rings is designed. Through the coordination of the insertion block and the slot, combined with the arrangement of the limit bolts, fasteners and top cover, the bearing is easily disassembled and assembled, which specifically includes the rotation of the limit bolts and the fixing studs, the disengagement of the lock nuts, the separation of the top cover and the ring support seat, and the removal of the cylindrical rollers.

Benefits of technology

It realizes convenient disassembly and assembles cylindrical roller bearings, ensures maintenance and maintenance of the internal structure of the bearing, and ensures the subsequent stability of the bearing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The cylindrical roller bearing convenient to disassemble and assemble comprises a first semicircular ring and a second semicircular ring, the opposite ends of the first semicircular ring and the second semicircular ring are provided with an insertion block and an insertion groove respectively, the insertion block is matched with the insertion groove, and a limiting bolt penetrates through the second semicircular ring in a threaded mode. The top of the inserting block is provided with a limiting hole allowing the limiting bolt to be connected in an inserted mode, a circular ring supporting base is arranged between the first semicircular ring and the second semicircular ring, a top cover is placed on the top of the circular ring supporting base, and a fastener is arranged between the top cover and the circular ring supporting base. Through the arrangement, the internal structure of the bearing can be conveniently disassembled and assembled, so that the bearing can be conveniently overhauled, and the subsequent stability of the bearing is ensured.
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Description

Technical Field

[0001] The utility model relates to a cylindrical roller bearing which is easy to assemble and disassemble. Background Art

[0002] Cylindrical roller bearings are radial rolling bearings whose rolling elements are cylindrical rollers. The internal structure of cylindrical roller bearings uses rollers arranged in parallel, with spacers or isolation blocks installed between the rollers to prevent the rollers from tilting or rubbing against each other.

[0003] Most existing cylindrical roller bearings are difficult to disassemble and assemble. The cylindrical rollers inside the bearings are prone to becoming unfamiliar after long-term use, which in turn affects the stable operation of the bearings. They need to be disassembled and replaced to ensure the subsequent stability of the bearings. Existing bearings are not convenient for completing the above work, which is inconvenient.

[0004] Therefore, it is necessary to provide a cylindrical roller bearing that is easy to disassemble and assemble to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the present invention is to provide a cylindrical roller bearing that is easy to assemble and disassemble, so as to solve the problems raised in the above background technology.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions:

[0007] A cylindrical roller bearing that is easy to disassemble and assemble, comprises a first semicircular ring and a second semicircular ring, wherein the first semicircular ring and the second semicircular ring are respectively provided with an insert and a slot at opposite ends, the insert is adapted to the slot, a thread on the second semicircular ring passes through a limiting bolt, and a limiting hole for inserting the limiting bolt is provided on the top of the insert, a ring support seat is provided between the first semicircular ring and the second semicircular ring, a top cover is placed on the top of the ring support seat, a fastener is provided between the top cover and the ring support seat, a plurality of movable grooves are provided between the top cover and the ring support seat, and the plurality of movable grooves are distributed in a circular array about the center of the ring support seat, a cylindrical roller is rotatably installed in the movable groove, an inner ring is provided inside the ring support seat, and the outer side of the inner ring is in contact with the cylindrical roller.

[0008] Preferably, the fastener includes a fixing stud and a locking nut, the fixing stud is arranged on the top of the annular support seat, a through hole for the fixing stud to pass through is provided inside the top cover, and the locking nut is threadedly sleeved on the fixing stud.

[0009] Preferably, four fasteners are provided, and the four fasteners are distributed in a ring array about the center of the annular support seat.

[0010] Preferably, a fixing column is provided inside the annular support seat and corresponds to the movable groove, and a circular hole for the fixing column to pass through is provided inside the cylindrical roller, and the inner surface of the circular hole fits with the outer surface of the fixing column.

[0011] Preferably, a positioning hole is provided at the bottom of the top cover corresponding to the fixing column, and the positioning hole is adapted to the top of the fixing column.

[0012] The beneficial effects of the present invention are as follows: the outer ring structure of the bearing is realized by the first semicircular ring and the second semicircular ring, and the inner ring is rotated inside the bearing through the circular ring support seat, the top cover and the cylindrical roller. When the bearing needs to be disassembled, the limit bolt is rotated to disengage the fixing stud, and the limiting state of the insert in the slot can be released, so that the first semicircular ring and the second semicircular ring can be separated, the locking nut is rotated to disengage the fixing stud, and the top cover is moved upward to disengage the through hole inside the top cover from the fixing stud, so that the separation process of the top cover and the circular ring support seat is completed, and the cylindrical roller is moved upward to disengage it from the fixing column, so that the cylindrical roller can be disassembled. Through the above arrangement, the internal structure of the bearing can be disassembled and assembled, thereby facilitating the inspection and maintenance of the bearing to ensure the subsequent stability of the bearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art, but this does not limit the scope of protection of the present invention.

[0014] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0015] Figure 2 A front cross-sectional view of the first semicircular ring and the second semicircular ring provided by the present invention;

[0016] Figure 3 A bottom view of the circular support base and top cover provided by the present invention;

[0017] Figure 4 The utility model provides Figure 3 sectional view of

[0018] Figure 5 This is a disassembled diagram of the circular support seat and the top cover provided by the utility model.

[0019] Among them, 1. First semicircular ring; 2. Second semicircular ring; 3. Insert; 4. Slot; 5. Limit bolt; 6. Limit hole; 7. Ring support seat; 8. Top cover; 9. Fastener; 91. Fixing stud; 92. Locking nut; 10. Movable groove; 11. Cylindrical roller; 12. Inner ring; 13. Through hole; 14. Fixing column; 15. Round hole; 16. Positioning hole. DETAILED DESCRIPTION

[0020] See Figures 1 to 5 The cylindrical roller bearing shown is easy to disassemble and assemble, comprising a first semicircular ring 1 and a second semicircular ring 2, wherein the first semicircular ring 1 and the second semicircular ring 2 are respectively provided with an insert block 3 and a slot 4 at opposite ends, the insert block 3 is adapted to the slot 4, a limit bolt 5 is threaded through the second semicircular ring 2, and a limit hole 6 for the limit bolt 5 to be inserted is provided on the top of the insert block 3, a ring support seat 7 is provided between the first semicircular ring 1 and the second semicircular ring 2, a top cover 8 is placed on the top of the ring support seat 7, a fastener 9 is provided between the top cover 8 and the ring support seat 7, a plurality of movable grooves 10 are opened between the top cover 8 and the ring support seat 7, and the plurality of movable grooves 10 are distributed in a circular array about the center of the ring support seat 7, a cylindrical roller 11 is rotatably installed in the movable groove 10, an inner ring 12 is provided inside the ring support seat 7, and the outer side of the inner ring 12 is in contact with the cylindrical roller 11.

[0021] Furthermore, the fastener 9 includes a fixing stud 91 and a locking nut 92. The fixing stud 91 is arranged on the top of the annular support seat 7. A through hole 13 is provided inside the top cover 8 for the fixing stud 91 to pass through. The locking nut 92 is threadedly sleeved on the fixing stud 91.

[0022] The locking nut 92 is rotated to disengage the fixing stud 91 , and the top cover 8 is moved upward to disengage the through hole 13 therein from the fixing stud 91 , thereby completing the separation process of the top cover 8 and the annular support seat 7 .

[0023] Furthermore, four fasteners 9 are provided, and the four fasteners 9 are distributed in a ring array about the center of the annular support seat 7 .

[0024] Four fasteners 9 are used to ensure the firmness of the connection between the annular support seat 7 and the top cover 8.

[0025] Furthermore, a fixing column 14 is provided inside the annular support seat 7 and corresponds to the movable groove 10 , and a circular hole 15 for the fixing column 14 to pass through is provided inside the cylindrical roller 11 , and the inner surface of the circular hole 15 fits with the outer surface of the fixing column 14 .

[0026] The inner surface of the circular hole 15 fits in contact with the outer surface of the fixing post 14 to ensure a stable rotation of the cylindrical roller 11 around the fixing post 14 .

[0027] Furthermore, a positioning hole 16 is provided at the bottom of the top cover 8 and corresponds to the fixing column 14 , and the positioning hole 16 is adapted to the top of the fixing column 14 .

[0028] The positioning holes 16 are provided to perform preliminary positioning when the top cover 8 is placed on the annular support seat 7 .

[0029] When the present invention is in use, the outer ring structure of the bearing is realized by the first semicircular ring 1 and the second semicircular ring 2, and the inner ring 12 is rotated inside the bearing through the circular ring support seat 7, the top cover 8 and the cylindrical roller 11. When the bearing needs to be disassembled, the limit bolt 92 is rotated to disengage the fixing stud 91, and the limiting state of the insert block 3 in the slot 4 can be released, so that the first semicircular ring 1 and the second semicircular ring 2 can be separated, the locking nut 92 is rotated to disengage the fixing stud 91, and the top cover 8 is moved upward to disengage the through hole 13 inside it from the fixing stud 91, so as to complete the separation process of the top cover 8 and the circular ring support seat 7, and the cylindrical roller 11 is moved upward to disengage it from the fixing column 14, so that the cylindrical roller 11 can be disassembled. Through the above arrangement, the internal structure of the bearing can be disassembled and assembled, thereby facilitating the maintenance of the bearing to ensure the subsequent stability of the bearing.

[0030] The above are only specific embodiments of the present invention, but the scope of protection of the present invention is not limited to them. Any changes or substitutions that do not require creative work should be included in the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection defined in the claims.

Claims

1. A cylindrical roller bearing that is easy to assemble and disassemble, characterized in that: It includes a first semicircular ring and a second semicircular ring, and the first semicircular ring and the second semicircular ring are respectively provided with an insert and a slot at the opposite ends, the insert is adapted to the slot, a thread on the second semicircular ring passes through a limiting bolt, and a limiting hole for the limiting bolt to be inserted is provided on the top of the insert, a ring support seat is provided between the first semicircular ring and the second semicircular ring, a top cover is placed on the top of the ring support seat, a fastener is provided between the top cover and the ring support seat, and a plurality of movable grooves are opened between the top cover and the ring support seat, and the plurality of movable grooves are distributed in a circular array about the center of the ring support seat, a cylindrical roller is rotatably installed in the movable groove, an inner ring is provided inside the ring support seat, and the outer side of the inner ring is in contact with the cylindrical roller.

2. The cylindrical roller bearing that is easy to assemble and disassemble according to claim 1, characterized in that: The fastener includes a fixing stud and a locking nut. The fixing stud is arranged on the top of the annular support seat. A through hole for the fixing stud to pass through is provided inside the top cover. The locking nut is threadedly sleeved on the fixing stud.

3. The cylindrical roller bearing that is easy to assemble and disassemble according to claim 2, characterized in that: There are four fasteners provided, and the four fasteners are distributed in an annular array about the center of the annular support seat.

4. The cylindrical roller bearing that is easy to assemble and disassemble according to claim 1, characterized in that: A fixing column is provided inside the annular support seat and corresponds to the movable groove. A circular hole for the fixing column to pass through is provided inside the cylindrical roller. The inner surface of the circular hole fits with the outer surface of the fixing column.

5. The cylindrical roller bearing that is easy to assemble and disassemble according to claim 4, characterized in that: A positioning hole is provided at the bottom of the top cover and corresponds to the fixing column, and the positioning hole is adapted to the top of the fixing column.