Slewing bearing assembly fixture
By designing an adjustable slewing bearing assembly fixture, the problem of requiring two sets of fixtures in existing fixtures is solved. The same fixture can clamp and support the bearing on both the outer and inner sides, making it suitable for slewing bearing rings of different specifications and curvatures, thus improving clamping stability and applicability.
Patent Information
- Application Number
- CN202423228170.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Existing clamps require two sets of clamps to hold the slewing bearing ring from the outside and inside respectively, lacking a clamp that can hold from the outside and tighten from the inside.
A slewing bearing assembly fixture was designed, comprising a worktable, a lead screw, clamping rollers, a cylinder, and a support frame mechanism. Through lead screw transmission and cylinder adjustment, the slewing bearing ring can be clamped and secured from the outside or inside. The clamping rollers are equipped with a rubber coating to increase friction. The support frame is adjustable in height and spacing to accommodate different specifications and curvatures.
The same clamp can hold the slewing bearing ring from both the outside and the inside, making it suitable for different specifications and curvatures. This improves clamping stability and applicability, and facilitates alignment and clamping.
Smart Images
Figure CN223719362U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of clamps, and particularly relates to a slewing bearing assembly clamp. BACKGROUND
[0002] A slewing bearing, also known as a rotary bearing or a slewing bearing, is a mechanical component specially designed to support and transmit axial load, radial load and overturning moment. When assembling the slewing bearing, a clamp is used to clamp and fix the slewing bearing ring body.
[0003] In the prior art, the clamp for assembling the slewing bearing generally adopts a clamp block with an arc-shaped contact surface with the slewing bearing ring body to clamp the slewing bearing ring body from the outside, or adopts an inner support clamp to support and fix the slewing bearing ring body from the inside, which leads to the need to prepare two sets of clamps to meet different assembly requirements, and there is a lack of a clamp that can clamp the slewing bearing ring body from the outside and support and fix the slewing bearing ring body from the inside. UTILITY MODEL CONTENTS
[0004] To solve the above problems, the utility model aims to provide a slewing bearing assembly clamp that can clamp the slewing bearing ring body from the outside and support and fix the slewing bearing ring body from the inside, thereby meeting different clamping requirements.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a slewing bearing assembly clamp, comprising a workbench, a cross-shaped guide groove is formed downward on the top of the workbench, a lead screw is rotatably installed on the inner side of the cross-shaped guide groove, one end of the lead screw is connected with a first bevel gear, a drive motor is installed on the bottom of the workbench, the output end of the drive motor is connected with a rotating shaft, a second bevel gear is installed on the top of the rotating shaft, the second bevel gear is engaged with the first bevel gear, a sliding block is slidably installed in the cross-shaped guide groove, the sliding block is threadedly connected with the lead screw, a clamp roller mounting seat is installed on the top of the sliding block, a first clamping roller and a second clamping roller are installed on the top of the clamp roller mounting seat, a supporting plate is fixedly sleeved on the outer side of each of the first clamping roller and the second clamping roller, a top clamping device is installed on the first clamping roller and the second clamping roller, a through hole is formed between the top and the bottom of the workbench, the workbench is slidably connected with a support frame mechanism through the through hole, a cylinder fixing support is installed on the bottom of the workbench, a second cylinder is installed on the top of the cylinder fixing support, and one end of the piston rod of the second cylinder is connected with the support frame mechanism.
[0006] The utility model discloses beneficial effect for: this device can be from the outside of slewing ring body to its clamping, also can be used as the inside support clamp from the inside of slewing ring body to slewing ring body and be tightly fixed, can satisfy different clamping needs, through the cooperation of first clamping roller, second clamping roller, support plate, can be firmly fixed to slewing ring body, simultaneously through the first clamping roller of adjustable spacing, second clamping roller and the first cylinder of adjustable height, can make this device can be applicable to the fixing of slewing ring body of different specifications, especially the setting of first clamping roller, second clamping roller makes this device compared with the ordinary contact surface of slewing ring body arc-shaped clamping block, can be very good applicable to the sidewall of slewing ring body of different radian, through the setting of adjustable height first cross -shaped support frame, can support the bottom of slewing ring body before clamping, thereby the outside or inside of slewing ring body is conveniently aligned between first clamping roller, second clamping roller, and the alignment and clamping between slewing ring body and clamp are facilitated.
[0007] In order to control the device:
[0008] As a further improvement of the above technical solution: the side of the workbench is provided with a control device, and a touch display screen is arranged on the control device.
[0009] The improved beneficial effect is that the control device is used for controlling the device, and the touch display screen can be used to operate the device.
[0010] In order to enable the two lead screws located on the same straight line to drive the opposite driving sliders to move towards each other or move away from each other:
[0011] As a further improvement of the above technical solution: the threads of the two lead screws located on the same straight line are opposite.
[0012] The improved beneficial effect is that the threads of the two lead screws located on the same straight line are opposite, so that when the driving sliders move, the two lead screws located on the same straight line can drive the opposite driving sliders to move towards each other or move away from each other.
[0013] In order to improve the friction between the first clamping roller, the second clamping roller and the slewing ring body:
[0014] As a further improvement of the above technical solution: the outer side of the first clamping roller and the second clamping roller is provided with a rubber coating layer.
[0015] The improved beneficial effect is that the rubber coating layer is used to improve the friction between the first clamping roller, the second clamping roller and the slewing ring body.
[0016] In order to clamp the slewing ring body from the top and bottom directions:
[0017] As a further improvement of the above technical solution: the top clamping device comprises a first air cylinder fixedly installed inside the first clamping roller and an auxiliary support slide rod insertedly installed inside the second clamping roller, and the top end of the piston rod of the supporting plate and the top end of the auxiliary support slide rod are connected with the top clamping plate.
[0018] The beneficial effect of the improvement is that after the first clamping roller and the second clamping roller support and fix the slewing ring body, the first air cylinder can be controlled to drive the top clamping plate to descend and contact the slewing ring body, and the supporting plate can clamp the slewing ring body from the top and bottom directions.
[0019] In order to facilitate the alignment of the slewing ring body with the first clamping roller and the second clamping roller:
[0020] As a further improvement of the above technical solution: the support frame mechanism comprises a lifting guide column slidably inserted with the through hole, the top of the lifting guide column is provided with a first cross-shaped support frame, the bottom of the lifting guide column is provided with a second cross-shaped support frame, and the top of the second cross-shaped support frame is connected with the piston rod of the second air cylinder.
[0021] The beneficial effect of the improvement is that the first cross-shaped support frame is used to support the slewing ring body before clamping and fixing the slewing ring body, the second air cylinder can drive the support frame mechanism to lift and drive the slewing ring body to lift and adjust, and the alignment of the slewing ring body with the first clamping roller and the second clamping roller is facilitated.
[0022] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a schematic view of the utility model when supporting the slewing ring body from the outside;
[0024] Figure 2 It is a schematic view of the utility model when supporting the slewing ring body from the inside;
[0025] Figure 3 It is a sectional view of the utility model;
[0026] Figure 4 It is a schematic view of the bottom structure of the utility model;
[0027] Figure 5 It is a schematic view of the structure of the utility model without showing the support frame mechanism;
[0028] Figure 6 It is a schematic view of the structure of the first clamping roller and the second clamping roller in the utility model;
[0029] As shown in the figure: 1, workbench; 2, cross-shaped guide groove; 3, lead screw; 4, first bevel gear; 5, driving motor; 6, rotating shaft; 7, second bevel gear; 8, sliding block; 9, clamp roller mounting seat; 10, first clamping roller; 11, second clamping roller; 12, supporting plate; 13, first air cylinder; 14, auxiliary supporting slide rod; 15, top clamping plate; 16, first cross-shaped supporting frame; 17, lifting guide column; 18, second cross-shaped supporting frame; 19, second air cylinder; 20, air cylinder fixing support; 21, control device. DETAILED DESCRIPTION
[0030] In order to make the technical personnel better understand the technical solutions of the present application, the present application will be described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present application.
[0031] As shown in the figure: 1, workbench; 2, cross-shaped guide groove; 3, lead screw; 4, first bevel gear; 5, driving motor; 6, rotating shaft; 7, second bevel gear; 8, sliding block; 9, clamp roller mounting seat; 10, first clamping roller; 11, second clamping roller; 12, supporting plate; 13, first air cylinder; 14, auxiliary supporting slide rod; 15, top clamping plate; 16, first cross-shaped supporting frame; 17, lifting guide column; 18, second cross-shaped supporting frame; 19, second air cylinder; 20, air cylinder fixing support; 21, control device. Figures 1-6 As shown in the figure: 1, workbench; 2, cross-shaped guide groove; 3, lead screw; 4, first bevel gear; 5, driving motor; 6, rotating shaft; 7, second bevel gear; 8, sliding block; 9, clamp roller mounting seat; 10, first clamping roller; 11, second clamping roller; 12, supporting plate; 13, first air cylinder; 14, auxiliary supporting slide rod; 15, top clamping plate; 16, first cross-shaped supporting frame; 17, lifting guide column; 18, second cross-shaped supporting frame; 19, second air cylinder; 20, air cylinder fixing support; 21, control device.
[0032] The device can clamp the slewing bearing ring from the outside of the slewing bearing ring body, or can be used as an inner support clamp to support and fix the slewing bearing ring from the inside of the slewing bearing ring body, so as to meet different clamping requirements. Through the cooperation of the first clamping roller 10, the second clamping roller 11 and the supporting plate 12, the slewing bearing ring can be stably fixed. Meanwhile, through the first clamping roller 10 and the second clamping roller 11 with adjustable spacing and the first cylinder 13 with adjustable height, the device can be suitable for fixing slewing bearing rings of different specifications. In particular, the first clamping roller 10 and the second clamping roller 11 are arranged, so that the device can be well suitable for the sidewalls of slewing bearing rings with different radii compared with ordinary clamping blocks with an arc-shaped contact surface between the slewing bearing ring and the clamping block. Through the arrangement of the first cross-shaped support frame 16 with adjustable height, the bottom of the slewing bearing ring can be supported before clamping, so as to facilitate the alignment between the outside or inside of the slewing bearing ring and the first clamping roller 10 and the second clamping roller 11, and facilitate the alignment and clamping between the slewing bearing ring and the clamp.
[0033] The side of the workbench 1 is provided with a control device 21, and the control device 21 is provided with a touch display screen.
[0034] The control device 21 is used for controlling the device, and the touch display screen can be used to operate the device.
[0035] The threads of the two lead screws 3 located on the same straight line are opposite.
[0036] The threads of the two lead screws 3 located on the same straight line are opposite, so that when the driving slider 8 moves, the two lead screws located on the same straight line can drive the opposite driving sliders 8 to move towards each other or away from each other.
[0037] The outer sides of the first clamping roller 10 and the second clamping roller 11 are provided with rubber coating layers.
[0038] The rubber coating layers are used to improve the friction between the first clamping roller 10, the second clamping roller 11 and the slewing bearing ring.
[0039] The top clamping device includes a first cylinder 13 fixedly installed on the inner side of the first clamping roller 10 and an auxiliary support slide rod 14 insertedly installed on the inner side of the second clamping roller 11. The top end of the piston rod of the supporting plate 12 and the top end of the auxiliary support slide rod 14 are connected with a top clamping plate 15.
[0040] After the first clamping roller 10 and the second clamping roller 11 support and fix the slewing bearing ring, the first cylinder 13 can be controlled to drive the top clamping plate 15 to descend and contact the slewing bearing ring, and the slewing bearing ring is clamped by the supporting plate 12.
[0041] The support frame mechanism comprises a lifting guide column 17 slidingly and connectingly inserted into the through hole, the top of the lifting guide column 17 is provided with a first cross-shaped support frame 16, the bottom of the lifting guide column 17 is provided with a second cross-shaped support frame 18, and the top of the second cross-shaped support frame 18 is connected with a piston rod of a second air cylinder 19.
[0042] The first cross-shaped support frame 16 is used for supporting the slewing bearing ring body before clamping and fixing the slewing bearing ring body, the second air cylinder 19 can drive the support frame mechanism to lift and drive the slewing bearing ring body to lift and adjust, and the slewing bearing ring body is conveniently aligned with the first clamping roller 10 and the second clamping roller 11.
[0043] The utility model discloses a working principle and use flow: when using the device, through the cylinder fixed support 20 control the device operation, control second cylinder 19 operation to the height of the first cross -shaped support frame 16 is adjusted, make the top surface of first cross -shaped support frame 16 slightly higher than the height of the top surface of support plate 12, then according to the kind, size and processing demand of slewing bearing, control drive motor 5 operation drive shaft 6 together with second bevel gear 7 rotation, through second bevel gear 7 drive first bevel gear 4 together with screw rod 3 rotation, thereby through the transmission between screw rod 3 and sliding block 8 drive sliding block 8 along cross -shaped guide slot 2 synchronous sliding, make each group sliding block 8 between each other close or each other away, when needing to fix slewing bearing ring body from the inside, control sliding block 8 and move to the interval between the opposite two groups sliding block 8 less than the slewing support ring body inner diameter position, when needing to fix slewing bearing ring body from the outside, then control sliding block 8 and move to the interval between the opposite two groups sliding block 8 greater than the slewing support ring body inner diameter position, then can place the slewing bearing ring body that needs to be fixed on the top of first cross -shaped support frame 16, to fix slewing support ring body from the inside as an example, when slewing bearing ring body is placed, slewing bearing ring body is placed in the position outside first clamping roller 10, second clamping roller 11, make slewing bearing ring body form to first clamping roller 10, second clamping roller 11's encirclement, then can control drive motor 5 drive shaft 6 rotation, and then through the transmission drive screw rod 3 rotation between second bevel gear 7, first bevel gear 4, drive each group sliding block 8 each other away, from the inside of slewing bearing ring body to slewing bearing ring body support, then can control second cylinder 19 drive first cross -shaped support frame 16 drop, thereby make slewing bearing ring body drop, fall to the top of support plate 12, then control first cylinder 13 drive top clamping plate 15 drop and slewing bearing ring body contact, cooperate support plate 12 and fix slewing bearing ring body, cooperate first clamping roller 10, second clamping roller 11 and support slewing bearing ring body inside, form the firm fixing of slewing bearing ring body, and can adapt to different size specifications slewing bearing ring body,When it is needed to fix the slewing ring body from the outside of the slewing ring body, the slewing ring body is placed on the inner side of each group of the first clamping roller 10 and the second clamping roller 11, so that the first clamping roller 10 and the second clamping roller 11 can apply force from the outside of the slewing ring body to the inside to clamp the slewing ring body. As described above, the device can clamp the slewing ring body from the outside of the slewing ring body, or can be used as an inner support clamp to support and fix the slewing ring body from the inside of the slewing ring body, so as to meet different clamping requirements. Through the cooperation of the first clamping roller 10, the second clamping roller 11 and the supporting plate 12, the slewing ring body can be stably fixed. At the same time, through the first clamping roller 10 and the second clamping roller 11 with adjustable spacing, and the first cylinder 13 with adjustable height, the device can be suitable for fixing slewing ring bodies of different specifications. In particular, the first clamping roller 10 and the second clamping roller 11 are provided, so that the device can be well suitable for the sidewalls of slewing ring bodies with different radii compared with ordinary clamping blocks with an arc-shaped contact surface between the slewing ring body. Through the provision of the first cross-shaped support frame 16 with adjustable height, the bottom of the slewing ring body can be supported before clamping, so as to facilitate the alignment between the outer side or the inner side of the slewing ring body and the first clamping roller 10 and the second clamping roller 11, and facilitate the alignment and clamping between the slewing ring body and the clamp.
[0044] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover non-exclusive inclusions, so that a process, method, article or device that includes 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 device.
[0045] The principle and implementation mode of the present application are described by using specific examples in this document. The above example is only used to help understand the method and its core idea. The above description is only the preferred implementation mode of the present application. It should be pointed out that due to the limitation of language expression, there are infinite specific structures objectively. For ordinary skilled persons in the technical field, without departing from the principle of the present application, some improvements, refinements or changes can be made, or the above technical features can be combined in a proper way. These improvements, refinements, changes or combinations, or the direct application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.
Claims
1. A slewing bearing assembly fixture, characterized by: The utility model provides a kind of workbench, including workbench (1), the top of workbench (1) is opened cross-shaped guide groove (2) downward, the inside of cross-shaped guide groove (2) is rotatably installed screw rod (3), one end of screw rod (3) is connected with first bevel gear (4), the bottom of workbench (1) is installed drive motor (5), the output end of drive motor (5) is connected with rotating shaft (6), the top of rotating shaft (6) is installed second bevel gear (7), second bevel gear (7) is engaged between first bevel gear (4), the inside of cross-shaped guide groove (2) is slidably installed sliding block (8), sliding block (8) is threadedly connected with screw rod (3), the top of sliding block (8) is installed clamp roller mounting seat (9), the top of clamp roller mounting seat (9) is installed first clamping roller (10), second clamping roller (11), the outside of first clamping roller (10), second clamping roller (11) is fixedly covered with supporting plate (12), first clamping roller (10), second clamping roller (11) are installed top clamping device, the top and bottom of workbench (1) are penetrated with through hole, workbench (1) is slidably connected with support frame mechanism through through hole, the bottom of workbench (1) is installed cylinder fixed bracket (20), the top of cylinder fixed bracket (20) is installed second cylinder (19), the piston rod one end of second cylinder (19) is connected with support frame mechanism.
2. A slewing bearing assembly clamp according to claim 1, characterized in that: The side of workbench (1) is installed control device (21), and touch display screen is arranged on control device (21).
3. A slewing ring assembly fixture according to claim 1, wherein: The thread directions of the two screw rods (3) located on the same straight line are opposite.
4. A slewing ring assembly fixture according to claim 1, wherein: The outside of first clamping roller (10) and second clamping roller (11) is provided with rubber coating.
5. A slewing ring assembly fixture according to claim 1, wherein: The top clamping device includes first cylinder (13) fixedly installed on the inside of first clamping roller (10) and auxiliary support slide rod (14) insertedly installed on the inside of second clamping roller (11), and the top end of the piston rod of supporting plate (12) and the top end of auxiliary support slide rod (14) are connected with top clamping plate (15).
6. A slewing ring assembly fixture according to claim 1, wherein: The support frame mechanism includes lifting guide column (17) slidably insertedly connected with the through hole, the top of lifting guide column (17) is provided with first cross-shaped support frame (16), the bottom of lifting guide column (17) is provided with second cross-shaped support frame (18), and the top of second cross-shaped support frame (18) is connected with the piston rod of second cylinder (19).