Fixing clamp for slewing bearing machining

By designing a fixed fixture for machining slewing bearings, and using a motor-driven rotating rod and gear system to simultaneously fix the inner and outer rings, the machining error problem caused by the difficulty in fixing the inner and outer rings in the prior art is solved, thereby improving machining accuracy and working performance.

CN223604230UActive Publication Date: 2025-11-28YANTAI LANGYUE METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202520182545.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2025-11-28
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

Existing slewing bearing machining fixtures cannot simultaneously fix the inner and outer rings, which may cause slight offsets or deformations during machining, affecting machining accuracy and working performance.

Method used

A fixing fixture was designed to simultaneously fix the inner and outer rings of the slewing bearing through fixing components, ensuring their relative positional accuracy during the machining process. A motor-driven rotating rod and gear system are used to drive the fixture to fix the inner and outer rings.

Benefits of technology

This improves the machining accuracy of the slewing bearing, avoids minor displacements or deformations of the inner and outer rings during machining, ensures that the geometric shape and dimensional tolerances meet design requirements, and reduces machining errors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The fixing clamp for slewing bearing machining comprises a workbench, supporting legs are fixedly installed at the four corners of the bottom of the workbench, a protective shell is fixedly installed on the rear side of the top of the workbench, a protective shell is fixedly installed on the rear side of the bottom of the workbench, and a shell is fixedly installed on the top of the workbench; a fixing assembly is fixedly installed at the top of the protective shell, and the top of the workbench is movably connected with a slewing bearing body. Through the design of the fixing assembly, an inner ring and an outer ring of the slewing bearing body can be fixed at the same time when the slewing bearing body is machined, the relative position precision of the slewing bearing body in the machining process can be ensured by fixing the inner ring and the outer ring at the same time, and therefore the machining precision of the slewing bearing is greatly improved; tiny displacement or deformation of the inner ring and the outer ring in the machining process can be avoided, it is guaranteed that the geometrical shapes, sizes and tolerances of the inner ring and the outer ring meet design requirements, and machining errors are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to technical field of slewing bearing, specifically, and relates to a kind of fixed clamp for slewing bearing machining. BACKGROUND

[0002] Slewing bearing (also known as rotary bearing, rotary joint) is a special type of rolling bearing, widely used in the equipment that needs to bear large load, low speed, frequent rotation or inclination, it can work under larger radial, axial and inclination load, and has larger rotation angle, commonly used in various engineering machinery, mining equipment, wind turbine etc.

[0003] The existing fixed clamp for slewing bearing machining cannot fix the inner ring and outer ring of the slewing bearing at the same time when fixing the slewing bearing. The inner ring and outer ring of the slewing bearing are usually ensured in geometric size and fitting accuracy by precision machining. If the inner ring and outer ring cannot be fixed at the same time, they may be slightly offset or deformed during machining, which may cause errors in size, shape or fitting tolerance of the machined inner and outer rings, which may directly affect the working performance of the slewing bearing, such as rotation stability, uneven load distribution, etc.

[0004] Therefore, we improve it and propose a fixed clamp for slewing bearing machining. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at: the existing fixed clamp for slewing bearing machining cannot fix the inner ring and outer ring of the slewing bearing at the same time when fixing the slewing bearing. The inner ring and outer ring of the slewing bearing are usually ensured in geometric size and fitting accuracy by precision machining. If the inner ring and outer ring cannot be fixed at the same time, they may be slightly offset or deformed during machining, which may cause errors in size, shape or fitting tolerance of the machined inner and outer rings, which may directly affect the working performance of the slewing bearing, such as rotation stability, uneven load distribution, etc.

[0006] In order to achieve the above-mentioned purpose of the application, the utility model provides the following technical scheme:

[0007] The fixed clamp for slewing bearing machining is used to improve the above-mentioned problems.

[0008] The application is as follows:

[0009] It comprises a workbench, four corners of the bottom of the workbench are fixedly provided with supporting legs, the rear side of the top of the workbench is fixedly provided with a protective shell, the rear side of the bottom of the workbench is fixedly provided with a protective shell, the top of the workbench is fixedly provided with an outer shell, the top of the protective shell is fixedly provided with a fixed assembly, and the workbench is movably connected with a slewing bearing body.

[0010] The design of the fixing assembly can fix the inner ring and the outer ring of the slewing bearing body at the same time during machining, and the simultaneous fixing of the inner ring and the outer ring can ensure the relative position accuracy during machining, thereby greatly improving the machining accuracy of the slewing bearing.

[0011] As a preferred embodiment of the fixing clamp for slewing bearing machining provided by the utility model, the fixing assembly comprises a motor, the motor is fixedly installed at the top of the protection shell, the output end of the motor is fixedly installed with a rotating rod, the surface of the rotating rod is fixedly installed with a first rotating gear, the front side and the rear side of the first rotating gear are engaged with first toothed plates, the opposite sides of the two first toothed plates are fixedly installed with connecting plates, and the opposite sides of the two connecting plates are fixedly installed with outer arc clamps.

[0012] As a preferred embodiment of the fixing clamp for slewing bearing machining provided by the utility model, the surface of the rotating rod is fixedly installed with a first synchronous wheel, the front side of the first synchronous wheel is provided with a second synchronous wheel, the surfaces of the first synchronous wheel and the second synchronous wheel are transmissionally connected with a belt, the inner cavity of the second synchronous wheel is fixedly installed with a transmission rod, the side close to the protection shell of the transmission rod is movably connected with the protection shell, the top of the surface of the transmission rod is fixedly installed with a second rotating gear, the surface of the second rotating gear is engaged with a gear ring, the bottom of the gear ring is movably connected with a supporting ring, the side close to the shell of the supporting ring is fixedly connected with the shell, the inner cavity of the gear ring is engaged with three third rotating gears, the inner cavity of the third rotating gear is fixedly installed with a movable rod, the side close to the shell of the movable rod is movably connected with the shell, the surface of the movable rod is fixedly installed with a fourth rotating gear, one side of the fourth rotating gear is engaged with a second toothed plate, and the side of the second toothed plate is fixedly installed with an inner arc clamp.

[0013] As a preferred embodiment of the fixing clamp for slewing bearing machining provided by the utility model, the surface of the motor is sleeved with a limiting plate, and the side close to the protection shell of the limiting plate is fixedly connected with the protection shell.

[0014] As a preferred embodiment of the fixing clamp for slewing bearing machining provided by the utility model, the opposite sides of the two first toothed plates are fixedly installed with first limiting blocks, and the first limiting blocks are slidably connected in the inner cavity of the protection shell.

[0015] As a preferred embodiment of the utility model provides the fixed clamp for rotary supporting processing, the top and bottom of second tooth plate all are fixedly installed with second limit block, second limit block is connected in the inner chamber of support ring slidingly.

[0016] As a preferred embodiment of the utility model provides the fixed clamp for rotary supporting processing, the front side and rear side of protection shell all are fixedly installed with two positioning plates, the side close to workbench of positioning plate is fixedly connected with workbench.

[0017] As a preferred embodiment of the utility model provides the fixed clamp for rotary supporting processing, the both sides of protection shell all are fixedly installed with two firm plates, the side close to workbench of firm plate is fixedly connected with workbench.

[0018] Compared with prior art, the utility model has the advantages of:

[0019] Through the design of fixed assembly, the inner ring and outer ring of rotary supporting body can be fixed simultaneously when processing, and the relative position precision of inner ring and outer ring can be ensured during processing, thereby greatly improving the processing precision of rotary supporting, through this way, the slight displacement or deformation of inner ring and outer ring during processing can be avoided, the geometric shape, size and tolerance of them can be ensured to reach the design requirement, and processing error is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic diagram of the fixed clamp for rotary supporting processing provided for the application is provided;

[0021] Figure 2 The structure rear view schematic diagram of the fixed clamp for rotary supporting processing provided for the application is provided;

[0022] Figure 3 The protection shell rear view schematic diagram of the fixed clamp for rotary supporting processing provided for the application is provided;

[0023] Figure 4 The fixed assembly rear view schematic diagram of the fixed clamp for rotary supporting processing provided for the application is provided;

[0024] Figure 5 The fixed assembly rear view schematic diagram of the fixed clamp for rotary supporting processing provided for the application is provided.

[0025] Indicated in the figure:

[0026] 1, workbench; 2, support leg; 3, protective shell; 4, protective shell; 5, shell; 6, fixed assembly; 601, motor; 602, rotating rod; 603, first rotating gear; 604, first toothed plate; 605, connecting plate; 606, outer arc clamp; 607, first synchronous wheel; 608, belt; 609, second synchronous wheel; 610, transmission rod; 611, second rotating gear; 612, gear ring; 613, support ring; 614, third rotating gear; 615, movable rod; 616, fourth rotating gear; 617, second toothed plate; 618, inner arc clamp; 619, limiting plate; 620, first limiting block; 621, second limiting block; 7, rotary support body; 8, positioning plate; 9, stabilizing plate. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0028] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0029] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0030] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", etc. are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0032] In order to enable personnel in the technical field to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings.

[0033] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0034] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0035] Embodiment 1

[0036] Please refer to Figures 1-5 A rotary support machining fixing clamp, including a workbench 1, four corners of the bottom of the workbench 1 are fixedly installed with supporting legs 2, the rear side of the top of the workbench 1 is fixedly installed with a protective shell 3, the rear side of the bottom of the workbench 1 is fixedly installed with a protective shell 4, the top of the workbench 1 is fixedly installed with an outer shell 5, the top of the protective shell 3 is fixedly installed with a fixing assembly 6, and the top of the workbench 1 is movably connected with a rotary support body 7. The fixing assembly 6 includes a motor 601, the motor 601 is fixedly installed on the top of the protective shell 3, the output end of the motor 601 is fixedly installed with a rotating rod 602, the surface of the rotating rod 602 is fixedly installed with a first rotating gear 603, the front side and the rear side of the first rotating gear 603 are engaged with first toothed plates 604, the opposite sides of the two first toothed plates 604 are fixedly installed with connecting plates 605, and the opposite sides of the two connecting plates 605 are fixedly installed with outer arc clamps 606. The surface of the motor 601 is sleeved with a limiting plate 619, and the side close to the protective shell 3 of the limiting plate 619 is fixedly connected with the protective shell 3. The opposite sides of the two first toothed plates 604 are fixedly installed with first limiting blocks 620, and the first limiting blocks 620 are slidably connected in the inner cavity of the protective shell 3. The front side and the rear side of the protective shell 3 are fixedly installed with two positioning plates 8, and the side close to the workbench 1 of the positioning plate 8 is fixedly connected with the workbench 1. The two sides of the protective shell 4 are fixedly installed with two stable plates 9, and the side close to the workbench 1 of the stable plate 9 is fixedly connected with the workbench 1.

[0037] When it is necessary to clamp and fix the rotary support body 7, the motor 601 is started, the motor 601 drives the rotating rod 602 to rotate when in use, the rotating rod 602 drives the first rotating gear 603 to rotate when rotating, the first rotating gear 603 drives the two first toothed plates 604 to move close to each other, the first toothed plate 604 drives the connecting plate 605 to move, the connecting plate 605 drives the outer arc clamp 606 to move, and the outer arc clamps 606 are moved relative to each other to clamp and fix the outer ring of the rotary support body 7.

[0038] Example 2

[0039] The bottom of the rotating rod 602 surface is fixedly installed with a first synchronous wheel 607, the front side of the first synchronous wheel 607 is provided with a second synchronous wheel 609, the surface of the first synchronous wheel 607 and the second synchronous wheel 609 is drivingly connected with a belt 608, the inner cavity of the second synchronous wheel 609 is fixedly installed with a transmission rod 610, the side of the transmission rod 610 close to the protective shell 4 is movably connected with the protective shell 4, the top of the surface of the transmission rod 610 is fixedly installed with a second rotating gear 611, the surface of the second rotating gear 611 is engaged with a gear ring 612, the bottom of the gear ring 612 is movably connected with a support ring 613, the side of the support ring 613 close to the shell 5 is fixedly connected with the shell 5, the inner cavity of the gear ring 612 is engaged with three third rotating gears 614, the inner cavity of the third rotating gears 614 is fixedly installed with a movable rod 615, the side of the movable rod 615 close to the shell 5 is movably connected with the shell 5, the surface of the movable rod 615 is fixedly installed with a fourth rotating gear 616, one side of the fourth rotating gear 616 is engaged with a second toothed plate 617, one side of the second toothed plate 617 is fixedly installed with an inner arc clamp 618. The top and bottom of the second toothed plate 617 are fixedly installed with a second limiting block 621, and the second limiting block 621 is slidingly connected in the inner cavity of the support ring 613.

[0040] In the implementation process, when the rotating rod 602 rotates, the first synchronous wheel 607 also rotates, the first synchronous wheel 607 rotates to drive the second synchronous wheel 609 to rotate through the belt 608, the second synchronous wheel 609 rotates to drive the transmission rod 610 to rotate, the transmission rod 610 rotates to drive the second rotating gear 611 to rotate, the second rotating gear 611 rotates to drive the gear ring 612 to rotate, the gear ring 612 rotates to drive the three third rotating gears 614 to rotate, the third rotating gears 614 rotate to drive the movable rod 615 to rotate, the movable rod 615 rotates to drive the fourth rotating gear 616 to rotate, the fourth rotating gear 616 rotates to drive the second toothed plate 617 to move, the second toothed plate 617 moves to drive the inner arc clamp 618 to move, and through the simultaneous outward movement of the three inner arc clamps 618, the inner ring of the slewing bearing body 7 is fixed, so that the inner ring and the outer ring of the slewing bearing body 7 can be fixed at the same time during machining, and the relative position accuracy during machining can be ensured through the simultaneous fixation of the inner ring and the outer ring, thereby greatly improving the machining precision of the slewing bearing. Through this way, it can avoid the slight displacement or deformation of the inner and outer rings during machining, ensure that their geometric shape, size and tolerance meet the design requirements, and reduce the machining error.

[0041] The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model; and all technical solutions and improvements that do not deviate from the spirit and scope of the invention are all included in the scope of the claims of the utility model.

Claims

1. A rotary bearing machining fixture comprising a worktable (1), characterized in that, The bottom of the workbench (1) is fixedly installed with supporting legs (2), the top of the workbench (1) is fixedly installed with a protective shell (3), the bottom of the workbench (1) is fixedly installed with a protective shell (4), the top of the workbench (1) is fixedly installed with an outer shell (5), the top of the protective shell (3) is fixedly installed with a fixing assembly (6), and the top of the workbench (1) is movably connected with a slewing bearing body (7). The fixing assembly (6) comprises a motor (601), the motor (601) is fixedly installed on the top of the protective shell (3), the output end of the motor (601) is fixedly installed with a rotating rod (602), the surface of the rotating rod (602) is fixedly installed with a first rotating gear (603), the front side and the rear side of the first rotating gear (603) are engaged with first toothed plates (604), the opposite sides of the two first toothed plates (604) are fixedly installed with connecting plates (605), and the opposite sides of the two connecting plates (605) are fixedly installed with outer arc clamps (606).

2. The fixing clamp for machining of a slewing bearing according to claim 1, characterized in that The bottom of the surface of the rotating rod (602) is fixedly installed with a first synchronous wheel (607), the front side of the first synchronous wheel (607) is provided with a second synchronous wheel (609), the surfaces of the first synchronous wheel (607) and the second synchronous wheel (609) are transmissionally connected with a belt (608), the inner cavity of the second synchronous wheel (609) is fixedly installed with a transmission rod (610), the side close to the protective shell (4) of the transmission rod (610) is movably connected with the protective shell (4), the top of the surface of the transmission rod (610) is fixedly installed with a second rotating gear (611), the surface of the second rotating gear (611) is engaged with a gear ring (612), the bottom of the gear ring (612) is movably connected with a supporting ring (613), the side close to the outer shell (5) of the supporting ring (613) is fixedly connected with the outer shell (5), the inner cavity of the gear ring (612) is engaged with three third rotating gears (614), the inner cavities of the third rotating gears (614) are fixedly installed with movable rods (615), the side close to the outer shell (5) of the movable rods (615) is movably connected with the outer shell (5), the surface of the movable rod (615) is fixedly installed with a fourth rotating gear (616), one side of the fourth rotating gear (616) is engaged with a second toothed plate (617), and the side of the second toothed plate (617) is fixedly installed with an inner arc clamp (618).

3. The fixing clamp for machining of a slewing bearing according to claim 1, characterized in that The surface of the motor (601) is sleeved with a limiting plate (619), and the side close to the protective shell (3) of the limiting plate (619) is fixedly connected with the protective shell (3).

4. The fixing clamp for machining of a slewing bearing according to claim 1, characterized in that The opposite sides of the two first toothed plates (604) are fixedly installed with first limiting blocks (620), and the first limiting blocks (620) are slidingly connected in the inner cavities of the protective shells (3).

5. The fixing clamp for machining of a slewing bearing according to claim 2, characterized in that The top and the bottom of the second toothed plate (617) are fixedly installed with second limiting blocks (621), and the second limiting blocks (621) are slidingly connected in the inner cavities of the supporting rings (613).

6. The fixing clamp for machining of a slewing bearing according to claim 1, characterized in that The front side and the back side of the protective shell (3) are fixedly provided with two positioning plates (8), which are fixedly connected with the workbench (1) on the side close to the workbench (1).

7. The fixing clamp for machining of a slewing bearing according to claim 1, characterized in that Both sides of the protective shell (4) are fixedly provided with two stable plates (9), which are fixedly connected with the workbench (1) on the side close to the workbench (1).