CN215714584U

CN215714584U - Spherical steel support with double sliding surfaces

Info

Publication number: CN215714584U
Application number: CN202121887863.7U
Authority: CN
Inventors: 薛鹏; 姚帆; 张鹤; 金怡新; 张启祥
Original assignee: Chengdu Alga Engineering New Technology Development Co Ltd
Current assignee: Chengdu Alga Engineering New Technology Development Co Ltd; China Railway Wuhan Survey and Design and Institute Co Ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-01
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a double-sliding surface spherical steel support, and relates to the technical field of bridge supports. The double-sliding-surface spherical steel support comprises an upper support plate, a lower support plate and a support main body, wherein the upper support plate is used for being connected to a beam body, and the lower support plate is used for being connected with a pier. The bottom surface of upper bracket board is equipped with first slip recess. The support main part sets up between upper bracket board and undersetting board, and the support main part stretches into first sliding groove, and the diapire of top surface and first sliding groove forms first plane friction pair, and the bottom surface of support main part forms second plane friction pair with the undersetting plate-type. The double-sliding-surface spherical steel support has the characteristics of small volume and high stability.

Description

Spherical steel support with double sliding surfaces

Technical Field

The utility model relates to the technical field of bridge supports, in particular to a double-sliding-surface spherical steel support.

Background

The existing spherical steel support for the bridge is only provided with one sliding plane, but the displacement of the support required by part of the bridge reaches more than 300mm, so that the size of the support is large, and the insufficient installation space at the bottom of a beam or the top of a pier is easily caused.

In view of the above, it is important to develop a double sliding surface spherical steel support capable of solving the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a double-sliding-surface spherical steel support which has the characteristics of small volume and high stability.

The utility model provides a technical scheme that:

in a first aspect, an embodiment of the utility model provides a double-sliding-surface spherical steel support, which comprises an upper support plate, a lower support plate and a support main body, wherein the upper support plate is used for being connected to a beam body, and the lower support plate is used for being connected with a pier;

the bottom surface of the upper support plate is provided with a first sliding groove; the support main part set up in upper bracket board with between the bottom suspension bedplate, just the support main part stretches into first sliding groove, and the top surface with the diapire of first sliding groove forms first plane friction pair, the bottom surface of support main part with the bottom suspension bedplate forms the second plane friction pair.

With reference to the first aspect, in another implementation manner of the first aspect, a second sliding groove is formed in the top surface of the lower support plate; the support main body extends into the second sliding groove, and the bottom surface of the support main body and the bottom wall of the second sliding groove form the second plane friction pair.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the seat main body includes a piston main body and a spherical cap lining plate that are matched with each other, the spherical cap lining plate is located at the top of the piston main body, and a top surface and a bottom wall of the first sliding groove form the first plane friction pair; the bottom surface of the piston main body and the bottom wall of the second sliding groove form the second plane friction pair, and the piston main body part extends into the first sliding groove.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, two opposite side walls of the first sliding groove are first side walls, and a side surface of the piston main body is matched with the first side walls to slide along the first side walls.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, the dual sliding surface ball-type steel holder further includes a first wear-resistant plate, which is disposed on a side surface of the piston main body and corresponds to the first side wall, so as to separate the first side wall from the piston main body.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface ball-type steel holder further includes a first stainless steel plate, and the first stainless steel plate is disposed on the first side wall and corresponds to the first wear plate to separate the first side wall and the first wear plate.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, two opposite side walls of the second sliding groove are second side walls, and a side surface of the piston main body is matched with the second side walls to slide along the second side walls.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface ball-type steel holder further includes a second wear-resistant plate, which is disposed on a side surface of the piston main body and corresponds to the second side wall, so as to separate the second side wall from the piston main body.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface ball-type steel holder further includes a second stainless steel plate, and the second stainless steel plate is disposed on the second side wall and corresponds to the second wear plate so as to separate the second side wall and the second wear plate.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual-sliding-surface spherical steel support further includes a third wear-resistant plate, where the third wear-resistant plate is embedded in the top of the spherical cap lining plate and corresponds to the bottom wall of the first sliding groove, so as to separate the bottom wall of the first sliding groove from the spherical cap lining plate.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface ball-type steel holder further includes a third stainless steel plate, and the third stainless steel plate is disposed on the bottom wall of the first sliding groove and corresponds to the third wear-resistant plate so as to separate the bottom wall of the first sliding groove and the third wear-resistant plate.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface spherical steel support further includes a fourth wear-resistant plate, and the fourth wear-resistant plate is embedded in the concave spherical surface at the top of the piston main body and corresponds to the convex spherical surface at the bottom of the spherical cap lining plate to separate the convex spherical surface from the concave spherical surface.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the double sliding surface ball-type steel holder further includes a fourth stainless steel plate, and the fourth stainless steel plate is disposed on the convex spherical surface and corresponds to the fourth wear-resistant plate to separate the convex spherical surface and the fourth wear-resistant plate.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface spherical steel support further includes a fifth wear-resistant plate, and the fifth wear-resistant plate is embedded in the bottom of the piston main body and corresponds to the bottom wall of the second sliding groove to separate the bottom wall of the second sliding groove from the spherical cap liner plate.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the dual sliding surface ball-type steel holder further includes a fifth stainless steel plate, and the fifth stainless steel plate is disposed on the bottom wall of the second sliding groove and corresponds to the fifth wear-resisting plate so as to separate the bottom wall of the second sliding groove and the fifth wear-resisting plate.

Compared with the prior art, the double-sliding-surface spherical steel support provided by the embodiment of the utility model has the beneficial effects that compared with the prior art, the double-sliding-surface spherical steel support comprises the following components:

the double-sliding surface spherical steel support comprises an upper support plate, a lower support plate and a support main body, wherein the upper support plate is used for being connected with a beam body, and the lower support plate is used for being connected with a pier. And the bottom surface of the upper support plate is provided with a first sliding groove. The support main part sets up between upper bracket board and lower support plate, and, the support main part stretches into first sliding groove, and the top surface of support main part and the diapire of first sliding groove form first plane friction pair, the bottom surface of support main part and lower support plate form second plane friction pair, thereby through support main part swing joint upper support plate and lower support plate, and, when the displacement takes place for the bridge, first plane friction pair and second plane friction pair take place to slide in order to adapt to the displacement of roof beam body, two plane friction pairs have increased its the biggest displacement that slides, in order to realize the purpose that adapts to great displacement on less volume basis, and, the position of support main part can be restricted to the lateral wall of first sliding groove, in order to reduce the gliding probability of the overlimit of double-sliding face ball-type steel support, improve its stability.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a double sliding surface spherical steel support provided by an embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a dual sliding surface spherical steel support provided in an embodiment of the present invention in a top view.

Fig. 3 is an enlarged schematic view of the structure at I in fig. 1.

Icon: 10-double sliding surface spherical steel support; 11-an upper support plate; 110-a first sliding groove; 111-a first side wall; 116-a first stainless steel plate; 118-third stainless steel panel; 1101-a first stop; 1102-a second stop; 12-a lower support plate; 120-a second sliding groove; 1202-a second sidewall; 122-a second stainless steel plate; 125-fifth stainless steel plate; 13-a seat body; 131-a piston body; 1311-concave spherical surface; 1301-a first wear plate; 1302-a second wear plate; 1304-a fourth wear plate; 1305-the fifth wear plate; 136-spherical cap liner plate; 1361-convex spherical surface; 1303 — a third wear plate; 139-fourth stainless steel plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like, refer to an orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one of ordinary skill in the art, and are used merely to facilitate the description and simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a dual sliding surface spherical steel support 10 according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a dual sliding surface spherical steel support 10 according to an embodiment of the present invention in a top view.

The embodiment of the utility model provides a double-sliding-surface spherical steel support 10, and the double-sliding-surface spherical steel support 10 has the characteristics of small volume and high stability. The double-sliding surface spherical steel support 10 can be applied to bridges and other scenes.

The structural composition, the working principle and the beneficial effects of the double sliding surface spherical steel support 10 provided by the embodiment of the utility model will be specifically described below.

With continuing reference to fig. 1 and 2, the double sliding surface ball-type steel bracket 10 includes an upper bracket plate 11, a lower bracket plate 12 and a bracket body 13, wherein the upper bracket plate 11 is used for connecting to a beam body, and the lower bracket plate 12 is used for connecting to an abutment. And the bottom surface of the upper seat plate 11 is provided with a first sliding groove 110. The support body 13 is arranged between the upper support plate 11 and the lower support plate 12, and the support body 13 extends into the first sliding groove 110, and the top surface of the support body 13 and the bottom wall of the first sliding groove 110 form a first plane friction pair, and the bottom surface of the support body 13 and the lower support plate 12 form a second plane friction pair, so that the support body 13 is movably connected with the upper support plate 11 and the lower support plate 12, and when the bridge is displaced, the first plane friction pair and the second plane friction pair slide to adapt to the displacement of the beam body, and the maximum sliding displacement of the two plane friction pairs is increased, so that the purpose of adapting to large displacement on the basis of small volume is realized, and the side wall of the first sliding groove 110 can limit the position of the support body 13, so as to reduce the probability of the over-limited sliding of the double-sliding-ball-type steel support 10, and improve the stability of the double-sliding-ball-type steel support.

Further, the top surface of the lower support plate 12 may further be provided with a second sliding groove 120, the support body 13 also extends into the second sliding groove 120, and the bottom surface of the support body 13 and the bottom wall of the second sliding groove 120 form a second plane friction pair, so that the side wall of the second sliding groove 120 may also limit the position of the support body 13, and further reduce the probability of the double-sliding-surface spherical steel support 10 sliding excessively.

It should be noted that, in the present embodiment, the first sliding groove 110 is defined by the first stopper 1101 and the second stopper 1102 which are disposed at the bottom of the upper support plate 11, the second sliding groove 120 is defined by the first stopper 1101 and the second stopper 1102 which are disposed at the top of the lower support plate 12, and the first stopper 1101 is detachably connected to the second stopper 1102, so as to facilitate maintenance of the double-sliding-surface spherical steel support 10.

Further, the seat body 13 may further include a piston body 131 and a spherical cap liner 136 which are matched with each other, wherein the spherical cap liner 136 is located on the top of the piston body 131, and the top surface of the spherical cap liner 136 and the bottom wall of the first sliding groove 110 form a first plane friction pair. The bottom surface of the piston main body 131 and the bottom wall of the second sliding groove 120 form a second plane friction pair, and the piston main body 131 partially protrudes into the first sliding groove 110, in other words. The side wall of the first sliding groove 110 encloses a portion of the piston main body 131, thereby limiting the sliding range of the piston main body 131 with respect to the upper support plate 11, which is simple in structure and easy to manufacture.

In addition, it should be noted that, in this embodiment, the convex spherical surface 1361 at the bottom of the spherical cap liner 136 is matched with the concave spherical surface 1311 at the top of the piston main body 131, and forms a spherical surface revolute pair, so that the double-spherical-surface sliding support can adapt to the rotation of the bridge, and the adaptability of the double-sliding-surface spherical steel support 10 is improved.

With continuing reference to fig. 1 and fig. 3, fig. 3 is an enlarged schematic view of the structure at I in fig. 1.

Further, two opposite side walls of the first sliding groove 110 are the first side walls 111, and the side surface of the piston main body 131 is matched with the first side walls 111, so that the piston main body 131 slides along the first side walls 111, in other words, the piston main body 131 is located between the two opposite first side walls 111, and the two first side walls 111 jointly limit the sliding direction of the piston main body 131 in the first sliding groove 110.

It should be noted that the dual sliding surface ball type steel holder 10 may further include a first wear plate 1301, wherein the first wear plate 1301 is disposed at a side surface of the piston main body 131, and corresponds to the first side wall 111, so as to separate the first side wall 111 and the piston main body 131 by the first wear plate 1301, so as to improve a wear resistance degree of the side surface of the piston main body 131, and improve stability of the piston main body 131 sliding in the first sliding groove 110.

In addition, the dual sliding surface ball type steel holder 10 may further include a first stainless steel plate 116, the first stainless steel plate 116 being disposed on the first sidewall 111 and corresponding to the first wear plate 1301 such that the first sidewall 111 and the first wear plate 1301 are spaced apart by the first stainless steel plate 116 to improve the wear resistance of the first sidewall 111 and improve the stability of the sliding of the piston main body 131 along the first sidewall 111.

Further, two opposite side walls of the second sliding groove 120 are second side walls 1202, and the side surface of the piston main body 131 is matched with the second side walls 1202 to slide along the second side walls 1202, in other words, the piston main body 131 is located between the two opposite second side walls 1202, and the two second side walls 1202 jointly limit the sliding direction of the piston main body 131 in the second sliding groove 120, so that the structure is simple, and the disassembly, assembly and maintenance are convenient.

It should be noted that the dual sliding surface ball type steel holder 10 may further include a second wear plate 1302, wherein the second wear plate 1302 is disposed at the side of the piston main body 131 and corresponds to the second side wall 1202, so as to separate the second side wall 1202 and the piston main body 131 by the second wear plate 1302, thereby improving the wear resistance of the side of the piston main body 131 and improving the stability of the sliding of the piston main body 131 in the second sliding groove 120.

In addition, the dual sliding face ball-type steel holder 10 may further include a second stainless steel plate 122, the second stainless steel plate 122 being disposed on the second sidewall 1202 and corresponding to the second wear plate 1302 to separate the second sidewall 1202 and the second wear plate 1302 by the second stainless steel plate 122, so as to improve the wear resistance of the second sidewall 1202 and improve the stability of the sliding of the piston body 131 along the second sidewall 1202.

With continued reference to FIG. 3, the dual sliding surface ball-type steel bearing 10 may further include a third wear plate 1303, the third wear plate 1303 being embedded on top of the spherical cap liner 136 to maintain the stability of the third wear plate 1303 with respect to the spherical cap liner 136, and the third wear plate 1303 corresponding to the bottom wall of the first sliding recess 110 for spacing the bottom wall of the first sliding recess 110 from the spherical cap liner 136. So as to improve the wear resistance of the top of the spherical cap liner 136 and improve the stability of the sliding of the top of the spherical cap liner 136 in the first sliding groove 110.

Also, the dual sliding surface ball type steel holder 10 may further include a third stainless steel plate 118, the third stainless steel plate 118 being disposed at the bottom wall of the first sliding recess 110, and the third stainless steel plate 118 corresponding to the third wear plate 1303 such that the bottom wall of the first sliding recess 110 and the third wear plate 1303 are spaced apart by the third stainless steel plate 118. So as to improve the wear resistance of the bottom wall of the first sliding groove 110 and improve the stability of the sliding of the spherical cap liner 136 along the bottom wall of the first sliding groove 110.

Further, the double sliding surface ball-type steel support 10 further includes a fourth wear plate 1304, the fourth wear plate 1304 is embedded in the concave spherical surface at the top of the piston main body 131, and corresponds to the convex spherical surface 1361 at the bottom of the spherical cap liner plate 136 for separating the convex spherical surface 1361 from the concave spherical surface. Moreover, the dual sliding surface ball-type steel bearing 10 may further include a fourth stainless steel plate 139, where the fourth stainless steel plate 139 is disposed on the convex spherical surface 1361 and corresponds to the fourth wear plate 1304 for separating the convex spherical surface 1361 and the fourth wear plate 1304. So as to improve the wear resistance of the bottom of the spherical cap liner plate 136 and the top of the piston main body 131, and improve the stability of the sliding of the spherical cap liner plate 136 relative to the piston main body 131.

Further, the dual sliding surface ball type steel holder 10 may further include a fifth wear plate 1305, the fifth wear plate 1305 being fitted in the bottom of the piston body 131 and corresponding to the bottom wall of the second sliding groove 120 for partitioning the bottom wall of the second sliding groove 120 and the spherical cap liner 136. Also, the dual sliding surface ball type steel holder 10 may further include a fifth stainless steel plate 125, and the fifth stainless steel plate 125 is disposed at the bottom wall of the second sliding recess 120, and corresponds to the fifth wear plate 1305 for separating the bottom wall of the second sliding recess 120 and the fifth wear plate 1305. To improve the wear resistance of the bottom wall of the second sliding groove 120 and the bottom of the piston main body 131, and to improve the stability of the sliding of the piston main body 131 with respect to the bottom wall of the second sliding groove 120.

The working principle of the double-sliding-surface spherical steel support 10 provided by the embodiment of the utility model is as follows:

the double-sliding surface spherical steel support 10 comprises an upper support plate 11, a lower support plate 12 and a support main body 13, wherein the upper support plate 11 is used for being connected to a beam body, and the lower support plate 12 is used for being connected with a pier. And the bottom surface of the upper seat plate 11 is provided with a first sliding groove 110. The support body 13 is arranged between the upper support plate 11 and the lower support plate 12, and the support body 13 extends into the first sliding groove 110, and the top surface of the support body 13 and the bottom wall of the first sliding groove 110 form a first plane friction pair, and the bottom surface of the support body 13 and the lower support plate 12 form a second plane friction pair, so that the support body 13 is movably connected with the upper support plate 11 and the lower support plate 12, and when the bridge is displaced, the first plane friction pair and the second plane friction pair slide to adapt to the displacement of the beam body, and the maximum sliding displacement of the two plane friction pairs is increased, so that the purpose of adapting to large displacement on the basis of small volume is realized, and the side wall of the first sliding groove 110 can limit the position of the support body 13, so as to reduce the probability of the over-limited sliding of the double-sliding-ball-type steel support 10, and improve the stability of the double-sliding-ball-type steel support.

In summary, the embodiment of the present invention provides a dual sliding surface ball-type steel support 10, which has the characteristics of small volume and high stability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that the features in the above embodiments may be combined with each other and the present invention may be variously modified and changed without conflict. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The double-sliding-surface spherical steel support is characterized by comprising an upper support plate (11), a lower support plate (12) and a support main body (13), wherein the upper support plate (11) is connected to a beam body, and the lower support plate (12) is connected with a pier;

a first sliding groove (110) is formed in the bottom surface of the upper support plate (11); the support body (13) set up in upper bracket board (11) with between lower support board (12), just support body (13) stretch into first sliding groove (110), and the top surface with the diapire of first sliding groove (110) forms first plane friction pair, the bottom surface of support body (13) with lower support board (12) form the second plane friction pair.

2. The dual sliding surface ball-type steel seat according to claim 1, wherein the top surface of the lower seat plate (12) is provided with a second sliding groove (120); the support main body (13) extends into the second sliding groove (120), and the bottom surface and the bottom wall of the second sliding groove (120) form the second plane friction pair.

3. The dual sliding surface ball-type steel seat as claimed in claim 2, wherein the seat body (13) includes a piston body (131) and a spherical cap liner plate (136) cooperating with each other, the spherical cap liner plate (136) being located at the top of the piston body (131), and the top surface and the bottom wall of the first sliding groove (110) forming the first planar friction pair; the bottom surface of the piston main body (131) and the bottom wall of the second sliding groove (120) form the second plane friction pair, and the piston main body (131) partially extends into the first sliding groove (110).

4. A dual sliding surface ball-type steel seat as claimed in claim 3, wherein the two opposite side walls of the first sliding groove (110) are first side walls (111), and the side surface of the piston body (131) is engaged with the first side walls (111) to slide along the first side walls (111).

5. The dual sliding surface ball type steel standoff of claim 4 further comprising a first wear plate (1301), said first wear plate (1301) being disposed at a side of said piston body (131) and corresponding to said first sidewall (111) for spacing said first sidewall (111) from said piston body (131).

6. The dual sliding face ball type steel bearing of claim 5, further comprising a first stainless steel plate (116), the first stainless steel plate (116) disposed at the first sidewall (111) and corresponding to the first wear plate (1301) for spacing the first sidewall (111) from the first wear plate (1301).

7. A double sliding surface ball-type steel seat according to claim 3, wherein the two opposite side walls of the second sliding groove (120) are second side walls (1202), and the side surface of the piston body (131) is engaged with the second side walls (1202) to slide along the second side walls (1202).

8. The dual sliding surface spherical steel bearing according to claim 7, further comprising a second wear plate (1302), the second wear plate (1302) being disposed at a side of the piston body (131) and corresponding to the second sidewall (1202) for spacing the second sidewall (1202) from the piston body (131).

9. The dual sliding face spherical steel bearing of claim 8, further comprising a second stainless steel plate (122), the second stainless steel plate (122) disposed to the second sidewall (1202) and corresponding to the second wear plate (1302) for spacing the second sidewall (1202) from the second wear plate (1302).

10. The dual sliding surface ball type steel bearing according to claim 3, further comprising a third wear plate (1303), wherein the third wear plate (1303) is embedded on top of the spherical cap liner plate (136) and corresponds to the bottom wall of the first sliding groove (110) for separating the bottom wall of the first sliding groove (110) from the spherical cap liner plate (136).