Slewing bearing diameter measuring device

By designing a slewing bearing diameter measuring device that includes a mounting base, contact plate, sliding sleeve, and sliding rod, the problem of inconvenient operation of portable length measuring devices when measuring slewing bearings is solved, realizing simple and stable diameter measurement and improving the practicality and reliability of the measuring device.

CN224285751UActive Publication Date: 2026-05-26ZHAOYUAN JINHUAN SLEWING BEARING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHAOYUAN JINHUAN SLEWING BEARING CO LTD
Filing Date
2025-08-06
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing portable length measuring devices are inconvenient to operate and difficult to place stably when measuring the center diameter of the inner and outer rings of a slewing bearing, thus lacking practicality.

Method used

A slewing bearing diameter measuring device was designed, comprising a base, contact plate, sliding sleeve, sliding rod, pull plate, connecting spring, connecting strip, measuring ruler, and indicating sleeve. The sliding rod overcomes the elastic force of the connecting spring by sliding under the constraint of the sliding sleeve, thus achieving automatic reset measurement. Combined with structures such as limit plate, contact sleeve, and handle frame, the device ensures the stability and convenience of measurement.

Benefits of technology

This technology simplifies the operation and ensures stable placement for measuring the diameter of slewing bearings, improving the practicality and reliability of the measurement and ensuring the accuracy and convenience of the measurement results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of slewing bearing measurement, in particular to a slewing bearing diameter measuring device, which is provided with a built-in slewing bearing outer diameter measuring mode capable of resetting automatically, is simple to operate and convenient to place integrally, and improves the practicability. Comprising a placing seat, a right contact plate, a left connecting plate, a sliding sleeve, a sliding rod, a pulling piece, a connecting spring, a connecting strip, a measuring scale and an indicating sleeve, the right side of the top end of the placing seat is connected with the bottom end of the right contact plate, the left middle side of the top end of the placing seat is connected with the bottom side of the left connecting plate, and the inner side of the middle of the left connecting plate is connected with the outer side of the sliding sleeve; the left side of the sliding rod is connected with the middle of the inner side of the pull piece, the outer portion of the right side of the pull piece and the outer portion of the sliding sleeve on the left side of the left connecting plate are connected with a connecting spring, the middle of the top side of the pull piece is connected with the left side of the bottom end of the measuring ruler through a connecting strip, and the middle of the top side of the left connecting plate is connected with the bottom side of the indicating sleeve. The inner wall of the indicating sleeve is transversely and slidably connected with the outer wall of the measuring scale.
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Description

Technical Field

[0001] This utility model relates to the technical field of slewing bearing measurement, specifically a slewing bearing diameter measuring device. Background Technology

[0002] Slewing bearings, composed of inner and outer rings and rolling elements, are large bearings capable of withstanding combined loads, including significant axial and radial loads and overturning moments. Widely used in industry, slewing bearings are often referred to as "machine joints," serving as essential transmission components in machinery where relative rotational motion between two objects is required, while simultaneously bearing axial, radial, and overturning moments. With the rapid development of the machinery industry, slewing bearings have found widespread application in shipbuilding, construction machinery, light industrial machinery, metallurgical machinery, medical equipment, and industrial machinery.

[0003] Slewing bearings have high requirements for the center diameters of their inner and outer raceways, making machining difficult. After machining, inspecting the center diameters of the inner and outer raceways of the slewing bearing also becomes a major challenge.

[0004] Manufacturers typically use portable length measuring devices for measurement, but these are inconvenient to operate and difficult to place, making them impractical. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a slewing bearing diameter measuring device with an automatically resettable built-in slewing bearing outer diameter measurement method. It is simple to operate, easy to place, and improves practicality.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a slewing bearing diameter measuring device, comprising a placement seat, a right contact plate, a left connecting plate, a sliding sleeve, a sliding rod, a pull plate, a connecting spring, a connecting strip, a measuring ruler, and an indicating sleeve. The top right side of the placement seat is connected to the bottom end of the right contact plate, the top left middle side of the placement seat is connected to the bottom side of the left connecting plate, the middle inner side of the left connecting plate is connected to the outer side of the sliding sleeve, the inner wall of the sliding sleeve is laterally slidably connected to the outer wall of the sliding rod, the left side of the sliding rod is connected to the middle inner side of the pull plate, the outer right side of the pull plate is connected to the outer side of the sliding sleeve on the left side of the left connecting plate by a connecting spring, the middle top side of the pull plate is connected to the left bottom end of the measuring ruler via a connecting strip, the middle top side of the left connecting plate is connected to the bottom side of the indicating sleeve, and the inner wall of the indicating sleeve is laterally slidably connected to the outer wall of the measuring ruler.

[0009] Preferably, it also includes a limiting piece, wherein the right side of the measuring ruler is connected to the middle of the left side of the limiting piece.

[0010] Preferably, it also includes a club head contact sleeve, a contact bottom pad, and a right side pad. The bottom side of the left connecting plate and the right contact plate at the top of the placement seat is connected to the bottom side of the contact bottom pad, the left side of the right contact plate is connected to the right side of the right side pad, and the right side of the slide bar is connected to the left side of the club head contact sleeve.

[0011] Preferably, it also includes a carrying handle and a handle sleeve, wherein the middle part of the right side of the right contact plate is connected to the inner end of the carrying handle, and a handle sleeve is fitted onto the outer side of the carrying handle.

[0012] Preferably, it also includes bottom pads, with the four corner sides of the bottom end of the placement seat respectively connected to the top side of a set of bottom pads.

[0013] Preferably, it also includes a nameplate, with the rear left side of the left connecting plate at the top of the placement seat connected to the bottom side of the nameplate.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the present invention provides a slewing bearing diameter measuring device, which has the following advantages:

[0016] In the unmeasured state, the slide rod is in the right position under the compression of the connecting spring. When testing, the slewing bearing is placed between the right contact plate and the left connecting plate on the top of the placement seat, and moved longitudinally so that the right side of the slide rod and the left side of the right contact plate respectively contact the two sides of the longest diameter of the slewing bearing. Under the constraint of the sliding sleeve, the slide rod overcomes the elastic force of the connecting spring and slides to the left. Then, the measuring scale moves to the left through the connecting strip and stabilizes in the corresponding state. The reading on the corresponding scale of the measuring scale is indicated by the indicating sleeve. The built-in slewing bearing outer diameter measurement method with automatic reset is set up. It is simple to operate, convenient to place, and improves practicality. Attached Figure Description

[0017] Figure 1 This is an axial view illustrating the structure of this utility model.

[0018] Figure 2 This utility model Figure 1 Top view;

[0019] Figure 3 This utility model Figure 1 Front view;

[0020] Figure 4 This utility model Figure 1 The bottom view.

[0021] The following are labels in the attached diagram: 1. Placement seat; 2. Right contact plate; 3. Left connecting plate; 4. Sliding sleeve; 5. Sliding rod; 6. Pull tab; 7. Connecting spring; 8. Connecting strip; 9. Measuring ruler; 10. Indicator sleeve; 11. Limiting piece; 12. Rod head contact sleeve; 13. Contact bottom pad; 14. Right side pad; 15. Handle holder; 16. Handle cover; 17. Foot pad; 18. Nameplate. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example

[0024] Please see Figures 1-4 A slewing bearing diameter measuring device includes a placement seat 1, a right contact plate 2, a left connecting plate 3, a sliding sleeve 4, a sliding rod 5, a pull plate 6, a connecting spring 7, a connecting strip 8, a measuring ruler 9, and an indicating sleeve 10. The top right side of the placement seat 1 is connected to the bottom end of the right contact plate 2, the top left middle side of the placement seat 1 is connected to the bottom side of the left connecting plate 3, the middle inner side of the left connecting plate 3 is connected to the outer side of the sliding sleeve 4, the inner wall of the sliding sleeve 4 is laterally slidably connected to the outer wall of the sliding rod 5, the left side of the sliding rod 5 is connected to the middle inner side of the pull plate 6, the right outer side of the pull plate 6 is connected to the outer side of the sliding sleeve 4 on the left side of the left connecting plate 3 by a connecting spring 7, and the top middle side of the pull plate 6 is connected to the bottom left side of the measuring ruler 9 via the connecting strip 8. The top center of the left connecting plate 3 is connected to the bottom of the indicator sleeve 10. The inner wall of the indicator sleeve 10 is laterally slidably connected to the outer wall of the measuring scale 9. In the non-measuring state, under the compression of the connecting spring 7, the slide rod 5 is in the right position. When testing, the slewing bearing is placed between the right contact plate 2 and the left connecting plate 3 at the top of the placement seat 1 and moved longitudinally so that the right side of the slide rod 5 and the left side of the right contact plate 2 respectively contact the two sides of the longest diameter of the slewing bearing. Under the constraint of the sliding sleeve 4, the slide rod 5 overcomes the elastic force of the connecting spring 7 and slides to the left. Then, it is connected to the measuring scale 9 via the connecting strip 8 and moves to the left and stabilizes in the corresponding state. The indicator sleeve 10 indicates the corresponding scale reading on the measuring scale 9.

[0025] It also includes a limiting piece 11, with the right side of the measuring ruler 9 connected to the middle of the left side of the limiting piece 11; the right side of the measuring ruler 9 can be limited via the rod head contact sleeve 12 to prevent the measuring ruler 9 from sliding out to the left within the indicator sleeve 10, thereby improving reliability.

[0026] It also includes a clubhead contact sleeve 12, a contact bottom pad 13, and a right side pad 14. The bottom side of the left connecting plate 3 and the right contact plate 2 at the top of the placement seat 1 is connected to the bottom side of the contact bottom pad 13. The left side of the right contact plate 2 is connected to the right side of the right side pad 14. The right side of the slide rod 5 is connected to the left side of the clubhead contact sleeve 12. The contact bottom pad 13 can contact the bottom side of the slewing bearing, the right side pad 14 can contact its right side, and the clubhead contact sleeve 12 can contact its left side, which is anti-slip and wear-resistant, and improves reliability.

[0027] It also includes a carrying handle 15 and a handle cover 16. The right middle part of the right contact plate 2 is connected to the inner end of the carrying handle 15, and the handle cover 16 is sleeved on the outer side of the carrying handle 15. The carrying handle 15 can be gripped and contacted through the handle cover 16, and the entire unit can be moved through the carrying handle 15 for easy carrying and movement.

[0028] It also includes bottom pads 17, with each of the four corners of the bottom of the placement seat 1 connected to the top of a set of bottom pads 17; the bottom of the placement seat 1 can be placed in contact through the four sets of bottom pads 17, which are non-slip, wear-resistant, and improve stability.

[0029] It also includes a nameplate 18, with the left rear part of the left connecting plate 3 at the top of the base 1 connected to the bottom side of the nameplate 18; the nameplate 18 can display information about the device, making it easier to read and use, and improving convenience.

[0030] In summary, when using a slewing bearing diameter measuring device, the measuring scale 9 is calibrated after considering all characteristics to maintain certainty. In the unmeasured state, under the compression of the connecting spring 7, the slide rod 5 is in the right position. When testing, the slewing bearing is placed between the right contact plate 2 and the left connecting plate 3 at the top of the placement seat 1. The contact bottom pad 13 can contact the bottom side of the slewing bearing, the right side pad 14 can contact its right side, and the rod head contact sleeve 12 can contact its left side, providing anti-slip and wear-resistant properties. By moving it longitudinally, the right side of the slide rod 5 and the left side of the right contact plate 2 respectively contact the two sides of the longest diameter of the slewing bearing, acting on... Under the constraint of the sliding sleeve 4, the sliding rod 5 overcomes the elastic force of the connecting spring 7 and slides to the left. Then, it is connected to the measuring scale 9 via the connecting strip 8 and moves to the left, stabilizing in the corresponding state. The corresponding scale reading of the measuring scale 9 is indicated by the indicator sleeve 10. The right side limit of the measuring scale 9 can be achieved through the rod head contact sleeve 12 to prevent the measuring scale 9 from sliding out to the left within the indicator sleeve 10. In addition, the handle sleeve 16 can be used to hold and contact the carrying frame 15. The carrying frame 15 connects the entire movement, making it easy to carry and move. The four sets of bottom feet 17 can be used to place the bottom of the placement seat 1, which is non-slip and wear-resistant. The nameplate 18 can display the information of this device, making it easy to read and assisting in use, thus improving convenience.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A slewing bearing diameter measuring device, characterized in that, The system includes a placement seat (1), a right contact plate (2), a left connecting plate (3), a sliding sleeve (4), a sliding rod (5), a pull tab (6), a connecting spring (7), a connecting strip (8), a measuring ruler (9), and an indicator sleeve (10). The top right side of the placement seat (1) is connected to the bottom end of the right contact plate (2), the top left middle side of the placement seat (1) is connected to the bottom side of the left connecting plate (3), the inner side of the middle part of the left connecting plate (3) is connected to the outer side of the sliding sleeve (4), and the inner wall of the sliding sleeve (4) is... The slide bar (5) is laterally slidably connected to the outer wall of the slide bar (5). The left side of the slide bar (5) is connected to the middle of the inner side of the pull plate (6). The right side of the pull plate (6) is connected to the outside of the sliding sleeve (4) on the left side of the left connecting plate (3) by a connecting spring (7). The top middle of the pull plate (6) is connected to the left side of the bottom of the measuring ruler (9) via a connecting strip (8). The top middle of the left connecting plate (3) is connected to the bottom side of the indicator sleeve (10). The inner wall of the indicator sleeve (10) is laterally slidably connected to the outer wall of the measuring ruler (9).

2. The slewing bearing diameter measuring device according to claim 1, characterized in that: It also includes a limiting piece (11), the right side of the measuring ruler (9) is connected to the middle of the left side of the limiting piece (11).

3. The slewing bearing diameter measuring device according to claim 1, characterized in that: It also includes a club head contact sleeve (12), a contact bottom pad (13), and a right side pad (14). The bottom side of the left connecting plate (3) and the right contact plate (2) at the top of the placement seat (1) is connected to the bottom side of the contact bottom pad (13). The left side of the right contact plate (2) is connected to the right side of the right side pad (14). The right side of the slide rod (5) is connected to the left side of the club head contact sleeve (12).

4. The slewing bearing diameter measuring device according to claim 1, characterized in that: It also includes a handle frame (15) and a handle sleeve (16). The right middle part of the right contact plate (2) is connected to the inner end of the handle frame (15), and the handle sleeve (16) is sleeved on the outside of the handle frame (15).

5. The slewing bearing diameter measuring device according to claim 1, characterized in that: It also includes bottom pads (17), and the four corners of the bottom end of the placement seat (1) are respectively connected to the top side of a set of bottom pads (17).

6. The slewing bearing diameter measuring device according to claim 1, characterized in that: It also includes a nameplate (18), the left rear part of the left connecting plate (3) at the top of the placement base (1) is connected to the bottom side of the nameplate (18).