Slewing bearing hoisting clamp

Abstract

The utility model discloses a slewing bearing hoisting clamp, which relates to the technical field of clamps and comprises a fixed frame and a slewing bearing body, a hanging ring is fixedly mounted on the outer wall of the middle of the top of the fixed frame, and a multi-angle clamping mechanism is arranged on the fixed frame. The multi-angle clamping mechanism comprises a two-way screw rotationally installed in the fixed frame, two centering frames symmetrically connected to the two opposite threaded ends of the two-way screw in a threaded mode, and two angle-adjustable clamping block assemblies sequentially arranged on the two centering frames. The two-way screw is driven by the hand wheel to rotate, then the two centering frames in threaded connection with the two-way screw can drive the two V-shaped blocks to be centered and drawn close, and therefore slewing bearing bodies of different specifications can be stably clamped and fixed conveniently; and the angles of the two V-shaped blocks can be flexibly adjusted, so that the multi-angle clamping effect can be achieved, and the clamping and hoisting requirements of the slewing bearing body in different states can be better met.

Description

Technical Field

[0001] The utility model relates to the technical field of clamps, in particular to a slewing bearing lifting clamp. Background Art

[0002] The slewing bearing is a large bearing that can withstand comprehensive loads and can withstand large axial, radial loads and overturning moments at the same time. Since the slewing bearing is a large-scale bearing with a large volume, it needs to be hoisted during installation. During the hoisting process, a hoisting fixture installed on the crane hook will be used.

[0003] However, the existing lifting fixture has a simple structure, cannot be well adapted to slewing bearings of different specifications, and does not have a multi-angle clamping effect, and cannot well adapt to the clamping and lifting requirements of the slewing bearing body in different states. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a slewing support lifting fixture.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A slewing support lifting fixture comprises a fixed frame and a slewing support body, a hanging ring is fixedly installed on the top middle outer wall of the fixed frame, and a multi-angle clamping mechanism is provided on the fixed frame;

[0007] The multi-angle clamping mechanism comprises a bidirectional screw rotatably mounted in a fixed frame, two centering frames symmetrically threaded on two opposite threaded ends of the bidirectional screw, and two angle-adjustable clamping block assemblies sequentially arranged on the two centering frames;

[0008] The angle-adjustable clamp block assembly includes an angle adjustment shaft rotatably mounted on the lower part of the centering frame, a V-shaped block fixedly connected to the outer wall of one end of the angle adjustment shaft, a control shaft, an angle measuring component, a worm fixedly mounted on the control shaft, and a worm wheel fixedly mounted on the angle adjustment shaft.

[0009] Preferably, a load-bearing rod is fixedly connected to an outer wall of one side of the centering frame, and the control shaft is connected through an inner wall of the load-bearing rod via a bearing.

[0010] Preferably, a handle is fixedly connected to the outer wall of one end of the control shaft, and the worm and the worm wheel are meshed with each other.

[0011] Preferably, the measuring component includes a graduated disc fixedly connected to the side wall of the centering frame and a pointer fixedly connected to the angle adjustment shaft and adapted to the graduated disc.

[0012] Preferably, a guide transverse axis is fixedly connected inside the fixed frame, and a hand wheel is fixedly connected to the outer wall of one end of the bidirectional screw.

[0013] Preferably, the top outer walls of the two centering frames are fixedly connected with guide sleeves, and the two guide sleeves are slidably connected to the guide transverse axis.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model drives the bidirectional screw to rotate by a hand wheel, and then under the guidance of the guide sleeve and the guide cross shaft, the two centering frames threadedly connected with the bidirectional screw drive the two V-shaped blocks to be centered and close together, so as to facilitate the stable clamping and fixing of slewing bearings of different specifications;

[0016] 2. The utility model drives the worm on the control shaft to rotate by the turning handle, and then the worm wheel meshing with the worm will drive the V-block fixed at one end of the angle adjustment shaft to rotate, and the pointer on the angle adjustment shaft will also rotate, so that according to the above-mentioned control method, the angles of the two V-blocks can be flexibly adjusted by observing the two scale disks, thereby achieving the effect of multi-angle clamping, which can better adapt to the clamping and lifting needs of the slewing support body under different conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the slewing support body after being clamped in the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the slewing support body of the utility model when it is not clamped;

[0019] Figure 3 It is a schematic diagram of the vertical cross-section structure of the fixed frame in the utility model;

[0020] Figure 4 It is a three-dimensional enlarged structural schematic diagram of the angle-adjustable clamping block assembly in the utility model;

[0021] Figure 5 It is a three-dimensional enlarged structural schematic diagram of some parts in the utility model.

[0022] In the figure: 1. Fixed frame; 2. Slewing bearing; 3. Hanging ring; 4. Bidirectional screw; 5. Centering frame; 6. Angle adjustment shaft; 7. V-block; 8. Bearing rod; 9. Control shaft; 10. Worm; 11. Worm wheel; 12. Turning handle; 13. Scale disk; 14. Pointer; 15. Guide cross shaft; 16. Guide sleeve; 17. Handwheel. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example

[0025] Reference Figure 1-5 A slewing bearing lifting fixture comprises a fixed frame 1 and a slewing bearing body 2. A hanging ring 3 is fixedly installed on the top middle outer wall of the fixed frame 1. A multi-angle clamping mechanism is provided on the fixed frame 1. The multi-angle clamping mechanism comprises:

[0026] A bidirectional screw rod 4 is rotatably mounted in the fixed frame 1, and a hand wheel 17 is fixedly connected to an outer wall of one end of the bidirectional screw rod 4;

[0027] Two centering frames 5, the two centering frames 5 are symmetrically screwed on two opposite threaded ends of the bidirectional screw 4, a guide transverse shaft 15 is fixedly connected in the fixed frame 1, and the top outer walls of the two centering frames 5 are fixedly connected with guide sleeves 16, and the two guide sleeves 16 are slidably connected to the guide transverse shaft 15;

[0028] Two angle-adjustable clamp block assemblies are sequentially arranged on two centering frames 5, and the angle-adjustable clamp block assemblies include:

[0029] Angle adjustment shaft 6, V-shaped block 7, the angle adjustment shaft 6 is rotatably mounted on the lower part of the centering frame 5, and the V-shaped block 7 is fixedly connected to the outer wall of one end of the angle adjustment shaft 6;

[0030] The control shaft 9 is fixedly connected to a load-bearing rod 8 on the outer wall of one side of the centering frame 5. The control shaft 9 is connected to the inner wall of the load-bearing rod 8 through a bearing. The outer wall of one end of the control shaft 9 is fixedly connected to a turning handle 12.

[0031] A worm 10 and a worm wheel 11, wherein the worm 10 is fixedly sleeved on the control shaft 9, and the worm wheel 11 is fixedly sleeved on the angle adjustment shaft 6, and the worm 10 and the worm wheel 11 are meshed with each other;

[0032] The measuring component includes a graduated disk 13 fixedly connected to the side wall of the centering frame 5 and a pointer 14 fixedly connected to the angle adjustment shaft 6 and adapted to the graduated disk 13 .

[0033] The working principle of this embodiment is as follows: first, the hanging ring 3 is hung on the hook of the crane, and then the bidirectional screw 4 is driven to rotate by the hand wheel 17. Then, under the guidance of the guide sleeve 16 and the guide cross shaft 15, the two centering frames 5 threadedly connected with the bidirectional screw 4 will drive the two V-shaped blocks 7 to be centered and close together, so that the slewing bearing bodies 2 of different specifications can be stably clamped and fixed, and the hoisting work of the slewing bearing can be carried out at this time;

[0034] Secondly, the worm 10 on the control shaft 9 is driven to rotate by the turning handle 12, and then the worm wheel 11 meshing with the worm 10 will drive the V-block 7 fixed at one end of the angle adjustment shaft 6 to rotate, and the pointer 14 on the angle adjustment shaft 6 will also rotate. In this way, according to the above-mentioned control method, the angles of the two V-blocks 7 can be flexibly adjusted by observing the two scale disks 13, thereby achieving a multi-angle clamping effect, which can better adapt to the clamping and lifting requirements of the slewing support body 2 under different conditions.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A slewing bearing lifting fixture, comprising a fixed frame (1) and a slewing bearing body (2), characterized in that: A hanging ring (3) is fixedly mounted on the top middle outer wall of the fixed frame (1), and a multi-angle clamping mechanism is provided on the fixed frame (1); The multi-angle clamping mechanism comprises a bidirectional screw (4) rotatably mounted in a fixed frame (1), two centering frames (5) symmetrically threadedly connected to two opposite threaded ends of the bidirectional screw (4), and two angle-adjustable clamping block assemblies arranged in sequence on the two centering frames (5); The angle-adjustable clamp block assembly comprises an angle adjustment shaft (6) rotatably mounted on the lower part of the centering frame (5), a V-shaped block (7) fixedly connected to the outer wall of one end of the angle adjustment shaft (6), a control shaft (9), an angle measuring component, a worm (10) fixedly mounted on the control shaft (9), and a worm wheel (11) fixedly mounted on the angle adjustment shaft (6).

2. A slewing bearing lifting fixture according to claim 1, characterized in that: A bearing rod (8) is fixedly connected to the outer wall of one side of the centering frame (5), and the control shaft (9) is connected to the inner wall of the bearing rod (8) through a bearing.

3. The slewing bearing lifting fixture according to claim 1, characterized in that: A rotating handle (12) is fixedly connected to the outer wall of one end of the control shaft (9), and the worm (10) and the worm wheel (11) are meshed with each other.

4. The slewing bearing lifting fixture according to claim 1, characterized in that: The measuring component comprises a graduated disc (13) fixedly connected to the side wall of the centering frame (5) and a pointer (14) fixedly connected to the angle adjustment shaft (6) and adapted to the graduated disc (13).

5. The slewing bearing lifting fixture according to claim 1, characterized in that: A guide transverse shaft (15) is fixedly connected inside the fixed frame (1), and a hand wheel (17) is fixedly connected to the outer wall of one end of the bidirectional screw rod (4).

6. The slewing bearing lifting fixture according to claim 1, characterized in that: The top outer walls of the two centering frames (5) are both fixedly connected with guide sleeves (16), and the two guide sleeves (16) are both slidably connected with the guide transverse shaft (15).

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