CN216006600U

CN216006600U - Self-locking spherical support

Info

Publication number: CN216006600U
Application number: CN202122369536.9U
Authority: CN
Inventors: 贾新民; 王猛
Original assignee: Jiangsu Shengshi Railway Equipment Co ltd
Current assignee: Jiangsu Shengshi Railway Equipment Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-11
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to a from locking-type spherical bearing, the lateral wall of bottom suspension bedplate sets up two upper chutes along the same circumference axial symmetry distribution of bottom suspension bedplate, all be equipped with articulated seat in each upper chute, connect through L type gag lever post between bottom suspension bedplate and the upper bracket board, the end of the horizontal portion articulates in upper articulated seat on the L type gag lever post, the end of the vertical portion on the L type gag lever post is fixed on upper suspension bedplate, still set up two lower chutes that are located under the upper chute and parallel the axial symmetry setting with it on the lateral wall of bottom suspension bedplate, two lower chutes take the center pin of bottom suspension bedplate as the arrangement of axial symmetry at both sides of bottom suspension bedplate, all be equipped with lower articulated seat in two lower chutes, connect through the type of falling L gag lever post between bottom suspension bedplate and the base, the end of the horizontal portion on the type of falling L gag lever post articulates in lower articulated seat, the end of the vertical portion on the type of falling L gag lever post is fixed on the base; the utility model provides a from locking-type spherical bearing can carry out the nimble spacing of each direction.

Description

Self-locking spherical support

Technical Field

The utility model relates to a mechanical field who relates to bridge beam supports especially relates to a from locking-type spherical bearing.

Background

Bridges are generally composed of a superstructure, a substructure, a support and an attachment structure. The bridge bearing is an important component for connecting and restraining the upper and lower structures of the bridge and is an indispensable part for bearing the weight of the bridge. In addition, in the process of using the spherical support, for some high-speed railway long-span bridges, because the temperature span is large, longitudinal and transverse restraint systems are required to be adopted to reduce the relative displacement between the steel rail and the bridge.

In view of the above-mentioned drawbacks, the designer actively makes research and innovation to create a self-locking spherical support, which is more economical and has industrial value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a conveniently carry on spacingly from locking-type spherical bearing at the displacement in-process.

The utility model discloses a from locking-type spherical bearing, including upper bracket board, bottom suspension bedplate, base and locate the bottom suspension bedplate on the base, there is the spherical crown welt through spherical tetrafluoro slide sliding fit in the concave sphere that the top of bottom suspension bedplate was seted up, and the bottom surface sliding fit of plane tetrafluoro slide and upper bracket board is passed through to the top surface of spherical crown welt, the bottom surface sliding fit of bottom suspension bedplate through plane tetrafluoro slide and base, its characterized in that: the side wall of the lower support plate is provided with two upper chutes distributed along the same circumference of the lower support plate, the two upper chutes are arranged at two sides of the lower support plate by taking the central shaft of the lower support plate as the axial symmetry, each upper chute is internally provided with an upper hinged seat, the lower support plate is connected with the upper support plate by an L-shaped limiting rod, the end of the upper transverse part of the L-shaped limiting rod is hinged in the upper hinged seat, the end of the upper vertical part of the L-shaped limiting rod is fixed on the upper support plate, the side wall of the lower support plate is also provided with two lower chutes which are positioned below the upper chutes and are arranged in parallel with the upper chutes, the two lower chutes are positioned at the same circumference of the side wall of the lower support plate, the central shafts of the lower support plate under the two lower chutes are arranged at two sides of the lower support plate by axial symmetry, the lower hinged seats are arranged in the two lower chutes, and the lower support plate is connected with the base by an inverted L-shaped limiting rod, the end of the upper transverse part of the inverted L-shaped limiting rod is hinged in the lower hinge seat, and the end of the upper vertical part of the inverted L-shaped limiting rod is fixed on the base.

To the utility model provides a pair of from locking-type spherical bearing does further improvement, goes up the tank bottom of spout and is fixed with articulated seat.

To the utility model provides a pair of from locking-type spherical bearing does further improvement, and the tank bottom of lower spout is fixed with articulated seat down.

To the utility model provides a pair of do further improvement from locking-type spherical bearing, the end of vertical portion is fixed in the last fixing base of upper bracket board bottom surface on the L type gag lever post.

Right the utility model provides a pair of do further improvement from locking-type spherical bearing, the end of vertical portion is fixed in the lower fixing base of base on the type of falling L gag lever post.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

in the process that the lower support plate displaces relative to the upper support plate or the base, the lower support plate is self-locked, and meanwhile, the transverse and longitudinal directions are accurately limited to restrain relative displacement.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a cross-sectional view of the self-locking spherical bearing of the present invention.

1 upper support plate and 2 lower support plate

3 base 4 sphere tetrafluoro slide

5 spherical cap lining plate 6 plane tetrafluoro slide plate

7 go up 8 articulated seats of spout

9L type gag lever post 10 lower chute

11 articulated seat 12 type gag lever post of falling L down

13 upper fixing seat and 14 lower fixing seat

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The self-locking spherical support shown in figure 1 comprises an upper support plate 1, a lower support plate 2, a base 3 and a lower support plate 2 arranged on the base 3, wherein a spherical cap lining plate 5 is arranged in a concave spherical surface arranged at the top of the lower support plate 2 in a sliding fit manner through a spherical surface tetrafluoro sliding plate 4, the top surface of the spherical cap lining plate 5 is in a sliding fit manner through a planar tetrafluoro sliding plate 6 and the bottom surface of the upper support plate 1, the bottom surface of the lower support plate 2 is in a sliding fit manner through a planar tetrafluoro sliding plate 6 and the top surface of the base 3, the side wall of the lower support plate 2 is provided with two upper sliding grooves 7 distributed along the same circumferential direction of the lower support plate 2, the two upper sliding grooves 7 are symmetrically arranged at the two sides of the lower support plate 2 by taking the central shaft of the lower support plate 2 as an axial axis, each upper sliding groove 7 is internally provided with an upper hinged support seat 8, the lower support plate 2 is connected with the upper support plate 1 through an L-shaped limiting rod 9, the end of the upper transverse part of the L-shaped limiting rod 9 is hinged in the upper seat 8, the end of vertical portion is fixed on last bedplate 1 on L type gag lever post 9, still set up two lower spout 10 that are located spout 7 below and parallel arrangement with it on the lateral wall of lower bedplate 2, two lower spout 10 are located the same circumference of 2 lateral walls of lower bedplate, the center pin of bedplate 2 is the both sides of axle symmetry under two lower spout 10, all be equipped with down articulated seat 11 in two lower spout 10, connect through falling L type gag lever post 12 between lower bedplate 2 and the base 3, the end of horizontal portion articulates under articulated seat 11 on falling L type gag lever post 12, the end of vertical portion is fixed on base 3 on the type gag lever post 12 of falling L.

The utility model provides a your principle from locking-type spherical bearing as follows:

carry out auto-lock and spacing through the L type gag lever post 9 of connecting between upper bracket board 1 and the lower support plate 2, because the end of horizontal portion articulates in last articulated seat 8 on L type gag lever post 9, the end of vertical portion is fixed on last support plate 1 on L type gag lever post 9, consequently, L type gag lever post 9 can be along with the relative displacement of lower support plate 2 relative upper bracket board 1, slide along last spout 7 when articulated moving, auto-lock and spacing through the type of falling L gag lever post 12 of connecting between lower support plate 2 and the base 3, the end of horizontal portion articulates in articulated seat 11 down on the type of falling L gag lever post 12, the end of vertical portion is fixed on base 3 on the type of falling L gag lever post 12, consequently, type of falling L gag lever post 12 can be along with the relative displacement of lower support plate 2 relative base 3, slide along lower spout 10 when articulated moving.

To the utility model provides a pair of from locking-type spherical bearing does further improvement, goes up the tank bottom of spout 7 and is fixed with articulated seat 8.

To the utility model provides a pair of from locking-type spherical bearing does further improvement, and the tank bottom of lower spout 10 is fixed with articulated seat 11 down.

To the utility model provides a pair of do further improvement from locking-type spherical bearing, the end of vertical portion is fixed in last fixing base 13 of 2 bottom surfaces of upper bracket board on the L type gag lever post 9.

It is right to the utility model provides a pair of do further improvement from locking-type spherical bearing, the end of vertical portion is fixed in the lower fixing base 14 of base 3 on the type of falling L gag lever post 12.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a from locking-type spherical bearing, includes upper bracket board (1), undersetting board (2), base (3) and locates undersetting board (2) on base (3), there is spherical crown welt (5) through sphere tetrafluoro slide (4) sliding fit in the concave sphere that the top of undersetting board (2) was seted up, the top surface of spherical crown welt (5) pass through plane tetrafluoro slide (6) with the bottom surface sliding fit of upper bracket board (1), the underrun of undersetting board (2) pass through plane tetrafluoro slide (6) with the top surface sliding fit of base (3), its characterized in that: the side wall of the lower support plate (2) is provided with two upper chutes (7) which are distributed along the same circumferential direction of the lower support plate (2), the two upper chutes (7) are arranged on two sides of the lower support plate (2) in an axisymmetric manner by taking the central shaft of the lower support plate (2) as an axis, each upper chute (7) is internally provided with an upper hinged seat (8), the lower support plate (2) is connected with the upper support plate (1) through an L-shaped limiting rod (9), the end of the upper transverse part of the L-shaped limiting rod (9) is hinged in the upper hinged seat (8), the end of the upper vertical part of the L-shaped limiting rod (9) is fixed on the upper support plate (1), the side wall of the lower support plate (2) is also provided with two lower chutes (10) which are arranged below the upper chutes (7) in parallel to the lower chutes (7) in one circle, and the two lower chutes (10) are positioned on the same direction of the side wall of the lower support plate (2), two lower spout (10) with the center pin of lower bedplate (2) is the axisymmetric arrangement down the both sides of bedplate (2), two all be equipped with down articulated seat (11) in lower spout (10), connect through falling L type gag lever post (12) between bedplate (2) and base (3) down, the end of falling L type gag lever post (12) upper transverse portion articulates in articulated seat (11) down, the end of vertical portion is fixed on falling L type gag lever post (12) on base (3).

2. The self-locking spherical bearing according to claim 1, characterized in that: the groove bottom of the upper sliding groove (7) is fixed with the upper hinge seat (8).

3. The self-locking spherical bearing according to claim 1, characterized in that: the bottom of the lower sliding groove (10) is fixed with the lower hinge seat (11).

4. The self-locking spherical bearing according to claim 1, characterized in that: the end of the upper vertical part of the L-shaped limiting rod (9) is fixed in an upper fixing seat (13) on the bottom surface of the upper support plate (1).

5. The self-locking spherical bearing according to claim 1, characterized in that: the end of the vertical part on the inverted L-shaped limiting rod (12) is fixed in a lower fixed seat (14) of the base (3).