Spherical steel support

By setting a level, scale and pointer on the spherical steel support, the problem that existing dust-proof ball steel support cannot intuitively evaluate the displacement and corner status, and the accurate and intuitive evaluation of the bearing status is achieved.

CN222700797UActive Publication Date: 2025-04-01CHINA RAILWAY FIFTH SURVEY & DESIGN INST GRP CO LTD +1
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Patent Information

Application Number
CN202323662076.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2025-04-01
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

The existing dust-proof ball steel bearings lack intuitive displacement pointers and rotational state evaluation methods, which makes it difficult to accurately evaluate the displacement and angle exceeding the limit of the bearing, and requires the use of complex measurement tools.

Method used

A spherical steel support is designed to form an intuitive observation system by setting a level on the outside of the upper support plate and a scale and pointer on the outside of the support, which is convenient for evaluating the displacement and angle state of the support.

Benefits of technology

The intuitive observation and accurate evaluation of the bearing displacement and corner state are achieved, which avoids the evaluation difficulties caused by windproof structure wrapping, and simplifies the measurement process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of bridge components, in particular to a spherical steel support which comprises an upper support plate, a lower support plate and a spherical crown lining plate, at least one gradienter is arranged on the outer side face of the upper support plate, a pointer is arranged on at least one side face of the lower support plate, a graduated scale is arranged on at least one side face of the upper support plate, and the pointer and the graduated scale are arranged in a paired mode. According to the spherical steel support, the gradienter is arranged on the outer side of the upper support plate, and the graduated scale and the pointer are arranged on the outer side of the support, so that whether the rotation angle of the support exceeds the limit or not and whether the displacement of the support exceeds the limit or not can be conveniently and visually observed; the defects that the relative rotation state and the relative displacement state of the upper plate and the lower plate of the support cannot be observed due to the fact that the support is wrapped by the sand-proof structure, and whether the rotation angle of the support exceeds the limit or not and whether the displacement of the support exceeds the limit or not cannot be accurately evaluated are overcome.
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Description

Technical Field

[0001] The utility model relates to the field of bridge components, in particular to a spherical steel support. Background Art

[0002] With the growth of modern high-speed railway and highway networks, bridge construction has developed rapidly. Among them, bridges located in the northwest region of my country have higher requirements for bearings. They need high cold resistance, dryness resistance, and dust resistance. Anti-dust spherical steel bearings provide an excellent solution for bridge construction in high wind and sand areas.

[0003] The anti-dust ball steel bearing is an important component in the bridge structure. It supports the upper beam load throughout the life cycle of the bridge, and also meets the requirements of beam rotation, cold resistance, and dust prevention. Existing similar products can also play a certain role in preventing dust, but the existing anti-dust ball steel bearing has the following defects: there is no displacement pointer observable by the naked eye on the outside, the displacement state of the bearing cannot be accurately evaluated, the displacement distance cannot be intuitively visualized, and because the bearing is wrapped in a wind and sand structure, the relative rotation state of the upper and lower plates of the bearing cannot be accurately evaluated. It is necessary to use a measuring tool with a complicated and cumbersome operation process to obtain an accurate evaluation result. Utility Model Content

[0004] The invention object of the utility model is to provide a spherical steel bearing in view of the problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A spherical steel bearing comprises an upper bearing plate and a lower bearing plate, the upper bearing plate being connected to the lower bearing plate via a spherical crown lining plate, at least one spirit level being arranged on the outer side surface of the upper bearing plate, a pointer being arranged on at least one side surface of the lower bearing plate, a scale being arranged on at least one side surface of the upper bearing plate, the pointer and the scale being arranged in pairs, a wind shield being arranged between the upper bearing plate and the lower bearing plate, the wind shield surrounding the spherical crown lining plate to form a closed space, the spirit level, the pointer and the scale being arranged outside the closed space.

[0007] The spherical steel bearing can conveniently and intuitively observe whether the bearing rotation angle exceeds the limit and whether the bearing displacement exceeds the limit by arranging a spirit level on the outside of the upper bearing plate as well as a scale and a pointer on the outside of the bearing, thereby avoiding the disadvantage that the relative rotation state and relative displacement state of the upper and lower plates of the bearing cannot be observed due to the anti-wind and sand structure wrapping the bearing, and thus it is impossible to accurately evaluate whether the bearing rotation angle exceeds the limit and whether the bearing displacement exceeds the limit.

[0008] As a preferred solution of the utility model, a flat stainless steel plate is welded to the bottom surface of the upper support plate.

[0009] As a preferred solution of the utility model, an elastic body is arranged between the upper support plate and the lower support plate, the elastic body surrounds the spherical crown lining plate to form a closed space, and a windshield plate is arranged on the periphery of the elastic body.

[0010] As a preferred solution of the utility model, the elastic body is arranged on the side surface of the upper support plate and the side surface of the lower support plate by bonding, bolting or riveting.

[0011] As a preferred solution of the utility model, the scale is arranged on the side of the upper support plate by bonding, bolting or riveting, and the pointer is arranged on the side of the lower support plate by bonding, bolting or riveting.

[0012] As a preferred solution of the utility model, two levels are provided on the upper support plate, and the levels are provided on two opposite sides of the upper support plate.

[0013] As a preferred solution of the utility model, the scale is arranged on the side of the upper support plate by bonding or riveting, and the pointer is arranged on the side of the lower support plate by bonding or riveting.

[0014] As a preferred embodiment of the utility model, at least one upper anchoring steel rod is arranged on the upper part of the upper support plate, at least one lower anchoring steel rod is arranged on the bottom of the lower support plate, the spherical crown lining plate is arranged between the upper support plate and the lower support plate, a plane wear-resistant plate is arranged between the spherical crown lining plate and the upper support plate, the plane wear-resistant plate and the bottom of the upper support plate form a friction pair, the plane wear-resistant plate is connected to the top of the spherical crown lining plate, a concave spherical surface is arranged on the upper part of the lower support plate, a spherical wear-resistant plate is arranged in the concave spherical surface, and the spherical wear-resistant plate and the convex spherical surface of the spherical crown lining plate form a friction pair.

[0015] As a preferred embodiment of the utility model, the planar wear-resistant plate and the spherical wear-resistant plate are configured as modified ultra-high molecular weight polyethylene plate components, modified polytetrafluoroethylene plate components or polytetrafluoroethylene plate components, and the elastomer is configured as a polyurethane or natural rubber material component with an elongation greater than 400%.

[0016] As a preferred embodiment of the utility model, the convex spherical surface of the spherical crown lining is protected by coating with stainless steel plate, chemical nickel-phosphorus alloy coating or aluminum alloy as a whole, and the exposed surfaces of the upper support plate and the lower support plate are protected by graphene anti-corrosion coating with a thickness greater than 240μm.

[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0018] The spherical steel bearing can conveniently and intuitively observe whether the bearing displacement exceeds the limit by arranging a scale and a pointer on the outer side of the bearing, thereby avoiding the disadvantage that the relative displacement state of the upper and lower plates of the bearing cannot be observed due to the anti-wind and sand structure wrapping the bearing, and thus it is impossible to accurately assess whether the bearing displacement exceeds the limit. In addition, by arranging a level on the outer side of the upper bearing plate, it is conveniently and intuitively observe whether the bearing rotation angle exceeds the limit, thereby avoiding the disadvantage that the relative rotation state of the upper and lower plates of the bearing cannot be observed due to the anti-wind and sand structure wrapping the bearing, and thus it is impossible to accurately assess whether the bearing rotation angle exceeds the limit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the elevation structure of the utility model.

[0020] Figure 2 It is a schematic diagram of the planar structure of the utility model.

[0021] Markings in the figure: 1-upper anchor steel rod, 2-upper support plate, 3-flat wear-resistant plate, 4-spherical crown lining plate, 5-spherical wear-resistant plate, 6-lower support plate, 7-lower anchor steel rod, 8-pointer, 9-scale, 10-elastic body, 11-wind shield, 12-fixing bolt, 13-level meter, 14-lower anchor bolt, 15-upper anchor bolt. DETAILED DESCRIPTION

[0022] The utility model is described in detail below in conjunction with the accompanying drawings.

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] Example 1

[0025] like Figure 1 , 2 As shown, a spherical steel bearing comprises an upper bearing plate 2 and a lower bearing plate 6, wherein the upper bearing plate 2 is connected to the lower bearing plate 6 via a spherical crown lining plate 4, and is characterized in that at least one spirit level 13 is arranged on the outer side surface of the upper bearing plate 2, a pointer 8 is arranged on at least one side surface of the lower bearing plate 6, a scale 9 is arranged on at least one side surface of the upper bearing plate 2, the pointer 8 and the scale 9 are arranged in pairs, a wind shield 11 is arranged between the upper bearing plate 2 and the lower bearing plate 6, the wind shield 11 surrounds the spherical crown lining plate 4 to form a closed space, and the spirit level 13, the pointer 8 and the scale 9 are all arranged outside the closed space.

[0026] Those skilled in the art can understand that the level 13 is arranged on the side of the lower support plate 6, and the level 13 can intuitively display the relative rotation state of the spherical steel support. A pointer 8 is arranged on one side of the lower support plate 6, and a scale 9 is arranged on one side of the upper support plate 2. The pointer 8 and the scale 9 are arranged in pairs. When the spherical steel support is displaced, the pointer 8 and the scale 9 will be offset, so that the relative displacement state of the spherical steel support can be intuitively displayed, and the distance of the relative displacement can also be intuitively quantified.

[0027] In the preferred embodiment, a flat stainless steel plate is welded to the bottom surface of the upper support plate 2. Since the flat wear-resistant plate 3 forms a friction pair with the bottom of the upper support plate 2, the provision of the flat stainless steel plate improves the strength of the contact position between the flat wear-resistant plate 3 and the bottom of the upper support plate 2, thereby extending the service life.

[0028] In the preferred embodiment, an elastic body 10 is disposed between the upper support plate 2 and the lower support plate 6. The elastic body 10 surrounds the spherical cap lining plate 4 to form a closed space, and a windshield 11 is disposed on the periphery of the elastic body 10. The windshield 11 is connected to the periphery of the upper support plate 2 by a plurality of fixing bolts 12. Specifically, the windshield 11 is fixedly connected to form a rectangular frame surrounding the outer side of the elastic body 10.

[0029] In a preferred embodiment, the elastic body 10 is arranged on the side surface of the upper support plate 2 and the side surface of the lower support plate 6 by bonding, bolting or riveting.

[0030] In a preferred embodiment, the scale 9 is arranged on the side of the upper support plate 2 by bonding, bolting or riveting, and the pointer 8 is arranged on the side of the lower support plate 6 by bonding, bolting or riveting.

[0031] In a preferred embodiment, two levels 13 are provided on the upper support plate 2, and the levels 13 are provided on two opposite sides of the upper support plate 2. By providing a plurality of levels 13 on the upper support plate 2, the relative rotation state of the upper and lower plates of the support can be observed from multiple angles.

[0032] In the preferred embodiment, at least one upper anchoring steel rod 1 is provided on the upper part of the upper support plate 2, at least one lower anchoring steel rod 7 is provided on the bottom of the lower support plate 6, the spherical crown lining plate 4 is provided between the upper support plate 2 and the lower support plate 6, a plane wear-resistant plate 3 is provided between the spherical crown lining plate 4 and the upper support plate 2, the plane wear-resistant plate 3 forms a friction pair with the bottom of the upper support plate 2, the plane wear-resistant plate 3 is connected to the top of the spherical crown lining plate 4, a concave spherical surface is provided on the upper part of the lower support plate 6, a spherical wear-resistant plate 5 is provided in the concave spherical surface, and the spherical wear-resistant plate 5 forms a friction pair with the convex spherical surface of the spherical crown lining plate 4.

[0033] Those skilled in the art will appreciate that four upper anchoring steel bars 1 are provided on the upper portion of the upper support plate 2, and are respectively arranged near the four corners of the upper portion of the upper support plate 2, and four lower anchoring steel bars 7 are provided on the bottom of the lower support plate 6, and are respectively arranged near the four corners of the bottom of the lower support plate 6.

[0034] In the preferred embodiment, the upper anchoring steel bar 1 and the lower anchoring steel bar 7 are provided with at least one connecting screw hole, the upper anchoring steel bar 1 is connected to the upper support plate 2 by an upper anchoring bolt 15, and the lower anchoring steel bar 7 is connected to the lower support plate 6 by a lower anchoring bolt 14. Specifically, the upper anchoring steel bar 1 is provided with a connecting screw hole and embedded in the beam body, and the lower anchoring steel bar 7 is provided with a connecting screw hole and embedded in the pier top.

[0035] In a preferred embodiment, the planar wear-resistant plate 3 and the spherical wear-resistant plate 5 are configured as modified ultra-high molecular weight polyethylene plate components, modified polytetrafluoroethylene plate components or polytetrafluoroethylene plate components, and the elastomer 10 is configured as a polyurethane or natural rubber material component with an elongation greater than 400%.

[0036] Those skilled in the art can understand that setting the planar wear-resistant plate 3 and the spherical wear-resistant plate 5 as modified ultra-high molecular weight polyethylene plate components, modified polytetrafluoroethylene plate components or polytetrafluoroethylene plate components can effectively improve the service life.

[0037] In the preferred embodiment, the convex spherical surface of the spherical crown lining plate 4 is protected by coating with stainless steel plate, chemical nickel-phosphorus alloy coating or aluminum alloy as a whole, and the exposed surfaces of the upper support plate 2 and the lower support plate 6 are protected by graphene anti-corrosion coating with a thickness greater than 240 μm.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A spherical steel bearing, comprising an upper bearing plate (2) and a lower bearing plate (6), wherein the upper bearing plate (2) is connected to the lower bearing plate (6) via a spherical cap lining plate (4), characterized in that: At least one level (13) is arranged on the outer side surface of the upper support plate (2), a pointer (8) is arranged on at least one side surface of the lower support plate (6), a scale (9) is arranged on at least one side surface of the upper support plate (2), the pointer (8) and the scale (9) are arranged in pairs, a windshield (11) is arranged between the upper support plate (2) and the lower support plate (6), the windshield (11) surrounds the spherical cap lining plate (4) to form a closed space, and the level (13), the pointer (8) and the scale (9) are all arranged outside the closed space; An elastic body (10) is arranged between the upper support plate (2) and the lower support plate (6), the elastic body (10) surrounds the spherical cap lining plate (4) to form a closed space, and a windshield plate (11) is arranged on the periphery of the elastic body (10).

2. A spherical steel bearing according to claim 1, characterized in that: A flat stainless steel plate is welded to the bottom surface of the upper support plate (2).

3. A spherical steel bearing according to claim 1, characterized in that: The elastic body (10) is arranged on the side surface of the upper support plate (2) and the side surface of the lower support plate (6) by bonding, bolt connection or riveting.

4. A spherical steel bearing according to claim 1, characterized in that: The scale (9) is arranged on the side of the upper support plate (2) by bonding, bolting or riveting, and the pointer (8) is arranged on the side of the lower support plate (6) by bonding, bolting or riveting.

5. The spherical steel bearing according to claim 1, characterized in that: Two levels (13) are arranged on the upper support plate (2), and the levels (13) are arranged on two opposite side surfaces of the upper support plate (2).

6. A spherical steel bearing according to claim 1, characterized in that: At least one upper anchoring steel rod (1) is arranged on the upper part of the upper support plate (2), at least one lower anchoring steel rod (7) is arranged on the bottom of the lower support plate (6), the spherical crown lining plate (4) is arranged between the upper support plate (2) and the lower support plate (6), a plane wear-resistant plate (3) is arranged between the spherical crown lining plate (4) and the upper support plate (2), the plane wear-resistant plate (3) and the bottom of the upper support plate (2) form a friction pair, the plane wear-resistant plate (3) is connected to the top of the spherical crown lining plate (4), the upper part of the lower support plate (6) is provided with a concave spherical surface, a spherical wear-resistant plate (5) is arranged in the concave spherical surface, and the spherical wear-resistant plate (5) and the convex spherical surface of the spherical crown lining plate (4) form a friction pair.

7. A spherical steel bearing according to claim 6, characterized in that: The upper anchoring steel rod (1) and the lower anchoring steel rod (7) are provided with at least one connecting screw hole; the upper anchoring steel rod (1) is connected to the upper support plate (2) via an upper anchoring bolt (15); and the lower anchoring steel rod (7) is connected to the lower support plate (6) via a lower anchoring bolt (14).

8. The spherical steel bearing according to claim 6, characterized in that: The flat wear-resistant plate (3) and the spherical wear-resistant plate (5) are configured as modified ultra-high molecular weight polyethylene plate components, modified polytetrafluoroethylene plate components or polytetrafluoroethylene plate components, and the elastomer (10) is configured as a polyurethane or natural rubber material component with an elongation greater than 400%.

9. The spherical steel bearing according to claim 6, characterized in that: The convex spherical surface of the spherical crown lining (4) is protected by coating with a stainless steel plate, chemically plated nickel-phosphorus alloy coating or an integral aluminum alloy, and the exposed surfaces of the upper support plate (2) and the lower support plate (6) are protected by a graphene anti-corrosion coating with a thickness greater than 240 μm.