Gap detection device for large slewing bearing
By designing a gap detection device that combines a hydraulic rod and a top block, the problem of inconvenient lifting and lowering during the inspection of large slewing bearings was solved, enabling rapid lifting and lowering and convenient inspection, thus improving the convenience and stability of the inspection.
Patent Information
- Application Number
- CN202520001880.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-02
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-02
AI Technical Summary
In existing technologies, when performing clearance testing on large slewing bearings, it is necessary to lift or hoist them and fix them with a base, and then rotate the outer ring. There is a lack of specialized tools for quick lifting and lowering, which makes the testing inconvenient.
A gap detection device including a fixed plate, a hydraulic rod, and a top block was designed. The top block is pushed by the hydraulic rod to tighten the inner ring. Combined with the cooperation of the hydraulic rod and the support plate, the slewing bearing can be quickly raised and lowered. It is equipped with casters and support blocks to increase stability. The electric telescopic rod is used for positioning, clamping, and moving the dial indicator.
It enables rapid lifting, lowering, and inspection of large slewing bearings, facilitates movement, increases the convenience of inspection, and improves friction and protection through rubber friction blocks, making it easier to replace worn parts.
Smart Images
Figure CN223727038U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to slewing bearing detection technical field, concretely relates to a gap detection device of large slewing bearing. BACKGROUND
[0002] Slewing bearing is a kind of large bearing that can bear comprehensive load, can bear large axial, radial load and overturning moment simultaneously.It is composed of inner ring, outer ring, rolling element and other components, usually used between equipment and structure needing relative rotation, to provide stable and reliable rotation support.
[0003] When large slewing bearing is detected, it is generally needed to lift or hoist the slewing bearing, then fixed by base, then rotate its outer ring, detect its gap by the probe of dial gauge contacting the outer ring of slewing bearing, currently there is lack of special tool for quickly lifting large slewing bearing, and it is troublesome to lift and put down large slewing bearing during detection. UTILITY MODEL CONTENTS
[0004] In view of the above problems, the utility model aims at providing a gap detection device of large slewing bearing, to solve the problem that large slewing bearing is generally needed to be lifted or hoisted during gap detection, then fixed by base, then rotate its outer ring, detect its gap by the probe of dial gauge contacting the outer ring of slewing bearing, currently there is lack of special tool for quickly lifting large slewing bearing, and it is troublesome to lift and put down large slewing bearing during detection.
[0005] To achieve the above purpose, the utility model adopts the technical scheme of a gap detection device of large slewing bearing, comprising a fixed disc, a connecting frame is arranged on the upper side center of the fixed disc, a hydraulic rod one is arranged on the lower side of the connecting frame, a support disc is arranged on the lower side of the output end of the hydraulic rod one penetrating through the fixed disc, four hydraulic rods two are arranged around the fixed disc, and a top block is arranged on the output end of the hydraulic rod two.
[0006] The utility model has the advantages that the device is placed in the center of large slewing bearing, then hydraulic rod two is started, the output end of hydraulic rod two pushes the top block, the top block is tightened to the inner ring of large slewing bearing, then hydraulic rod one is started, the output end of hydraulic rod one pushes the support disc on the ground, hydraulic rod one reversely drives the fixed disc to move up, the fixed disc drives large slewing bearing to leave the ground through hydraulic rod two and top block, then the outer ring of large slewing bearing is rotated for detection, after detection, hydraulic rod one is started to move down the fixed disc, then hydraulic rod two is retracted, large slewing bearing of different sizes can be quickly lifted and put down, and the convenience of gap detection is increased.
[0007] In order to move the device conveniently,
[0008] As a further improvement of the above technical solution: the lower side of the fixed disc is provided with a bottom disc, a disc groove is formed in the lower center of the bottom disc, the support disc is arranged in the disc groove, and universal wheels are arranged around the lower side of the bottom disc.
[0009] The improvement has the beneficial effect that the universal wheels facilitate the movement of the device.
[0010] In order to increase the horizontal stability of the second hydraulic rod;
[0011] As a further improvement of the above technical solution: a connecting block is arranged around the bottom disc corresponding to each second hydraulic rod, a supporting block is arranged on the upper side of each connecting block, and the supporting blocks are supported on the lower side of the second hydraulic rod.
[0012] The improvement has the beneficial effect that the supporting blocks are used to support the second hydraulic rod, and the horizontal stability of the second hydraulic rod can be increased when the slewing bearing is lifted.
[0013] In order to increase the friction between the top block and the inner ring of the slewing bearing;
[0014] As a further improvement of the above technical solution: rubber friction blocks are arranged on the side of the top block away from the second hydraulic rod, and horizontal grooves are uniformly formed on the side of each rubber friction block away from the second hydraulic rod.
[0015] The improvement has the beneficial effect that the rubber friction blocks are used to increase the friction between the top block and the inner ring of the slewing bearing, and have a protective effect on the inner ring.
[0016] In order to facilitate the replacement of worn rubber friction blocks;
[0017] As a further improvement of the above technical solution: an insertion slot is formed on the upper side of the side of the top block close to the rubber friction block, an insertion block is inserted and clamped in the insertion slot, and the insertion block is fixedly connected with the rubber friction block.
[0018] The improvement has the beneficial effect that the rubber friction block can be disassembled by pulling out the insertion block from the insertion slot, and the replacement of worn rubber friction blocks is facilitated.
[0019] In order to position and clamp the dial gauge;
[0020] As a further improvement of the above technical solution: an electric telescopic rod is arranged on one side of the upper side of the connecting frame, an end block is arranged at the output end of the electric telescopic rod, symmetrical side plates are arranged on the side of the end block away from the electric telescopic rod, a bolt is arranged on the outer side of one side plate, and a clamping plate is rotatably arranged on the side plate through the bolt.
[0021] The beneficial effect of the improvement is that the electric telescopic rod is started, the side plates are pushed to the upper side of the outer ring, the micrometer is placed between the side plates, then the bolt is screwed, the micrometer is clamped by the clamping plate, the probe of the micrometer contacts the upper side of the outer ring, and the micrometer is positioned and clamped.
[0022] In order to move the micrometer to different positions on the upper side of the outer ring for detection.
[0023] As a further improvement of the above technical solution, the upper side of the connecting frame is rotationally provided with a rotating block, and the rotating block is fixedly connected with the electric telescopic rod.
[0024] The beneficial effect of the improvement is that during detection, the rotating block can be rotated to move the micrometer to different positions on the upper side of the outer ring for detection.
[0025] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 Structure diagram of the utility model Figure One ;
[0027] Figure 2 Structure diagram of the utility model Figure Two ;
[0028] Figure 3 Internal structure sectional view of the fixed disc in the utility model
[0029] Figure 4 Structure diagram of the utility model
[0030] In the drawing: 1, fixed disc; 2, connecting frame; 3, hydraulic rod one; 4, supporting disc; 5, hydraulic rod two; 6, top block; 61, plug-in slot; 62, plug-in block; 7, rubber friction block; 8, base plate; 81, disc groove; 9, connecting block; 10, supporting block; 11, universal wheel; 12, rotating block; 13, electric telescopic rod; 14, end block; 15, side plate; 16, bolt; 17, clamping plate. DETAILED DESCRIPTION
[0031] In order to make those skilled in the art better understand the technical solutions of the present application, the present application will be described in detail below with reference to 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.
[0032] As Figure 1 — Figure 4The utility model discloses a kind of gap detection devices of large slewing bearing, including fixed disc 1, the upper side center of the fixed disc 1 is provided with connecting frame 2, the lower side of the connecting frame 2 is provided with hydraulic rod one 3, the output end of the hydraulic rod one 3 is provided with support disc 4 to lower side through fixed disc 1, the periphery of the fixed disc 1 is provided with four hydraulic rod two 5, the output end of the hydraulic rod two 5 is provided with top block 6, this device is placed to the center of large slewing bearing, then start hydraulic rod two 5, the output end of hydraulic rod two 5 pushes top block 6, makes top block 6 to be tight the inner ring of large slewing support, then start hydraulic rod one 3, the output end lower side of hydraulic rod one 3 pushes support disc 4,The support disc 4 is on the ground, the hydraulic rod one 3 drives the fixed disc 1 to move upwards in reverse, the fixed disc 1 drives the large rotary support to leave the ground through the hydraulic rod two 5 and the top block 6, then the outer ring of the large rotary support is rotated to be detected, after the detection is completed, the fixed disc 1 is lowered by starting the hydraulic rod one 3, then the hydraulic rod two 5 is retracted, the large rotary support of different sizes can be quickly lifted and placed, the convenience of gap detection is increased, the underside of the fixed disc 1 is provided with a bottom disc 8, a disc groove 81 is formed in the center of the underside of the bottom disc 8, the support disc 4 is arranged in the disc groove 81, universal wheels 11 are arranged around the underside of the bottom disc 8, the universal wheels 11 are arranged to facilitate the movement of the device, the bottom disc 8 is provided with a connecting block 9 corresponding to the hydraulic rod two 5, a supporting block 10 is arranged on the upper side of the connecting block 9, the supporting block 10 is arranged on the underside of the hydraulic rod two 5, the supporting block 10 is arranged to support the hydraulic rod two 5, when the rotary support is lifted, the horizontal stability of the hydraulic rod two 5 can be increased, the side, away from the hydraulic rod two 5, of the top block 6 is provided with a rubber friction block 7, a plurality of horizontal grooves are uniformly formed in the side, away from the hydraulic rod two 5, of the rubber friction block 7, the rubber friction block 7 is arranged to increase the friction between the top block 6 and the inner ring of the rotary support and to protect the inner ring, an insertion groove 61 is formed in the upper side of the side, close to the rubber friction block 7, of the top block 6, an insertion block 62 is inserted and clamped in the insertion groove 61, the insertion block 62 is fixedly connected with the rubber friction block 7, the rubber friction block 7 can be disassembled by pulling out the insertion block 62 from the insertion groove 61, the worn rubber friction block 7 can be replaced, one side of the upper side of the connecting frame 2 is provided with an electric telescopic rod 13, an end block 14 is arranged at the output end of the electric telescopic rod 13, symmetrical side plates 15 are arranged on the side, away from the electric telescopic rod 13, of the end block 14, a bolt 16 is arranged on the outer side of one side plate 15, the bolt 16 is threadedly penetrated through the side plate 15 and rotationally arranged with a clamping plate 17, the electric telescopic rod 13 is started, the side plate 15 is pushed to the upper side of the outer ring, the micrometer gauge is arranged between the side plates 15, then the bolt 16 is screwed, the micrometer gauge is clamped by the clamping plate 17, the probe of the micrometer gauge contacts the upper side of the outer ring and is used for positioning and clamping the micrometer gauge, the upper side of the connecting frame 2 is rotationally arranged with a rotating block 12, the rotating block 12 is fixedly connected with the electric telescopic rod 13, during detection, the rotating block 12 is rotated to move the micrometer gauge to different positions on the upper side of the outer ring for detection.
[0033] The working principle and use process of the utility model are as follows:
[0034] In use, the device is placed in the center of the large rotary support, and then the hydraulic rod two 5 is started, the output end of the hydraulic rod two 5 pushes the top block 6, the top block 6 is tightly supported on the inner ring of the large rotary support, and then the hydraulic rod one 3 is started, the lower side of the output end of the hydraulic rod one 3 pushes the support disc 4, the support disc 4 is on the ground, the hydraulic rod one 3 drives the fixed disc 1 to move upwards, the fixed disc 1 drives the large rotary support to move away from the ground through the hydraulic rod two 5 and the top block 6, and then the outer ring of the large rotary support is rotated for detection. After detection is completed, the fixed disc 1 is lowered by starting the hydraulic rod one 3, and then the hydraulic rod two 5 is retracted. Different sizes of large rotary supports can be quickly lifted and placed, increasing the convenience of gap detection. In addition, during use, the lower side of the fixed disc 1 is provided with a bottom disc 8, a disc groove 81 is formed in the lower side of the center of the bottom disc 8, the support disc 4 is arranged in the disc groove 81, and universal wheels 11 are arranged around the lower side of the bottom disc 8. The universal wheels 11 are arranged to facilitate the movement of the device. In addition, during use, a connecting block 9 is arranged corresponding to the hydraulic rod two 5 around the bottom disc 8, and a supporting block 10 is arranged on the upper side of the connecting block 9. The supporting block 10 is supported on the lower side of the hydraulic rod two 5. The supporting block 10 is arranged to support the hydraulic rod two 5. When lifting the rotary support, the horizontal stability of the hydraulic rod two 5 can be increased. In addition, during use, rubber friction blocks 7 are arranged on the side of the top block 6 away from the hydraulic rod two 5. The side of the rubber friction block 7 away from the hydraulic rod two 5 is uniformly provided with a horizontal groove. The rubber friction block 7 is arranged to increase the friction between the top block 6 and the inner ring of the rotary support, and to protect the inner ring. In addition, an insertion groove 61 is formed in the upper side of the side of the top block 6 close to the rubber friction block 7. An insertion block 62 is inserted and clamped in the insertion groove 61. The insertion block 62 is fixedly connected with the rubber friction block 7. By pulling the insertion block 62 out of the insertion groove 61, the rubber friction block 7 can be disassembled, and the worn rubber friction block 7 can be replaced. In addition, an electric telescopic rod 13 is arranged on one side of the upper side of the connecting frame 2. An end block 14 is arranged on the output end of the electric telescopic rod 13. Symmetrical side plates 15 are arranged on the side of the end block 14 away from the electric telescopic rod 13. A bolt 16 is arranged on the outer side of one side plate 15. The bolt 16 is threadedly penetrated through the side plate 15 and rotatably provided with a clamping plate 17. The electric telescopic rod 13 is started, the side plate 15 is pushed to the upper side of the outer ring, and the micrometer is placed between the side plates 15. Then the bolt 16 is screwed, the micrometer is clamped by the clamping plate 17, the probe of the micrometer contacts the upper side of the outer ring, and the micrometer is positioned and clamped. In addition, a rotating block 12 is rotatably arranged on the upper side of the connecting frame 2. The rotating block 12 is fixedly connected with the electric telescopic rod 13. During detection, the rotating block 12 can be rotated to move the micrometer to different positions on the upper side of the outer ring for detection.
[0035] It should be noted that, in this text, the term "comprising", "including" or any other variant thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or apparatus that includes a list of elements not only includes those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article or apparatus.
[0036] The principles and implementations of the present application are described herein with specific examples. The above examples are only used to help understand the method of the present application and its core idea. The above description is only the preferred embodiment of the present application. It should be noted that due to the limitation of language expression, there are objectively infinite specific structures. For ordinary skilled persons in the art, without departing from the principles of the present application, some improvements, refinements or changes can be made, or the above technical features can be combined in an appropriate way; these improvements, refinements, changes or combinations, or the application of the concept and technical solution of the present application to other occasions without improvement, shall be regarded as the protection scope of the present application.
Claims
1. A gap detection device for a large slewing ring, characterized by: Including the fixed disc (1), the upper side center of the fixed disc (1) is provided with a connecting frame (2), the lower side of the connecting frame (2) is provided with a hydraulic rod one (3), the output end of the hydraulic rod one (3) penetrates the fixed disc (1) to the lower side and is provided with a support disc (4), the periphery of the fixed disc (1) is provided with four hydraulic rod two (5) in a surrounding manner, and the output end of the hydraulic rod two (5) is provided with a top block (6).
2. A large-sized rotary joint gap detection device according to claim 1, characterized by: The lower side of the fixed disc (1) is provided with a bottom disc (8), the lower side center of the bottom disc (8) is provided with a disc groove (81), the support disc (4) is arranged in the disc groove (81), and the lower side of the bottom disc (8) is provided with a universal wheel (11) in a surrounding manner.
3. A large-sized slewing ring gap detection device according to claim 2, characterized in that: The bottom disc (8) is provided with a connecting block (9) corresponding to the hydraulic rod two (5) one by one, the upper side of the connecting block (9) is provided with a supporting block (10), and the supporting block (10) is supported on the lower side of the hydraulic rod two (5).
4. A large-size slewing ring gap detection device according to claim 1, characterized in that: The side, away from the hydraulic rod two (5), of the top block (6) is provided with a rubber friction block (7), and the side, away from the hydraulic rod two (5), of the rubber friction block (7) is uniformly provided with a horizontal groove.
5. A large-size slewing ring gap detection device according to claim 4, characterized in that: The upper side of the side, close to the rubber friction block (7), of the top block (6) is provided with a plug-in groove (61), a plug-in block (62) is plug-in and clamped in the plug-in groove (61), and the plug-in block (62) is fixedly connected with the rubber friction block (7).
6. A large-sized rotary joint gap detection device according to claim 1, characterized by: The upper side of the connecting frame (2) is provided with an electric telescopic rod (13), the output end of the electric telescopic rod (13) is provided with an end block (14), the side, away from the electric telescopic rod (13), of the end block (14) is symmetrically provided with a side plate (15), the outer side of the side plate (15) on one side is provided with a bolt (16), and the bolt (16) is threadedly penetrated through the side plate (15) and rotatably provided with a clamping plate (17).
7. A large-size slewing ring gap detection device according to claim 6, characterized in that: The upper side of the connecting frame (2) is rotatably provided with a rotating block (12), and the rotating block (12) is fixedly connected with the electric telescopic rod (13).