CN219059733U

CN219059733U - Bidirectional limiting bridge support

Info

Publication number: CN219059733U
Application number: CN202223448694.4U
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: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-23
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to a bidirectional limiting bridge support, which sequentially comprises an upper steel plate, an upper support plate, an upper spherical surface sliding plate, a spherical crown plate, a lower spherical surface sliding plate, a lower support plate and a lower steel plate from top to bottom, wherein a first gap is arranged between the inner side of an upper support column and the left side and the right side of the lower support plate, a vertical friction pair is arranged on the first gap, and the lower support column, the upper support column and the lower support plate are connected together through a second fastening bolt which is horizontally arranged. The utility model can effectively bear pressure and simultaneously can well resist the tensile force and torque from two sides to adapt to the movement of the support plate in the longitudinal direction and the transverse direction through the connecting structure among the upper support plate, the upper support column, the lower support column and the lower support plate.

Description

Bidirectional limiting bridge support

Technical Field

The utility model relates to the technical field related to bridge supports, in particular to a bidirectional limiting bridge support.

Background

Bridges are generally composed of superstructure, substructure, supports and appurtenant structures. Bridge supports are important members for connecting and restraining the upper and lower structures of a bridge, and are an indispensable part for bearing the bridge.

Through mass search, the prior art with publication number of CN213328648U discloses a pull-out-resistant bridge bearing, which is particularly suitable for the improvement of pull-out-resistant technology of friction pendulum bridge bearings. The support comprises a support body which is composed of an upper support plate and a lower support plate, wherein a plurality of drawing-resistant screws are arranged between the upper support plate and the lower support plate, the screws are arranged on the periphery of the support body, the upper support plate and the lower support plate are provided with through holes and screw holes which correspond to each other in position, the screws penetrate through the through holes, the end parts of the screws are screwed with the screw holes, a circumferential gap is reserved between the screws and the through holes, and the upper support plate and the lower support plate are allowed to move relatively. The pull-out-resistant bridge support has the characteristics of simple and compact structure, convenience in processing and manufacturing, firm vertical connection and no interference to displacement corners.

In summary, the upper and lower support plates of the existing bridge support are connected together by the screw, and the tensile force from two sides can not be well resisted although the bridge support can bear the compressive force.

In view of the above-mentioned drawbacks, the present inventors have actively studied and innovated to create a bidirectional limiting bridge support, which has a more industrial value.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a bidirectional limiting bridge support.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a two-way spacing formula bridge support, from last down including last steel sheet, go up the bedplate, go up the sphere slide, the spherical crown board, lower sphere slide, lower bedplate and lower steel sheet, the top of spherical crown board is connected the setting through last sphere slide and the upper bracket bedplate contact of top, the bottom of spherical crown board is connected the setting through the lower sphere slide and the lower bedplate contact of below, the left and right sides of upper bracket board bottom all is provided with the support column, the left and right sides at lower bedplate top all is provided with the support column down, the support column is located the outside of last support column down, all be provided with first clearance between the inboard of upper support column and the left and right sides of lower bedplate, be provided with vertical friction pair on the first clearance, the support column down, go up the second fastening bolt link together that sets up through the level between support column and the lower bedplate.

As a further improvement of the utility model, a pin hole is arranged on the lower support column near the top along the horizontal direction, a horizontal through hole is arranged on the upper support column at the inner side of the pin hole along the horizontal direction, a horizontal threaded hole is arranged on the lower support plate at the inner side of the horizontal through hole along the horizontal direction, and a second fastening bolt sequentially penetrates through the pin hole, the horizontal through hole and the horizontal threaded hole and connects the lower support column, the upper support column and the lower support plate together.

As a further improvement of the present utility model, the inner diameter of each of the pin hole and the horizontal through hole is larger than the outer diameter of the second fastening bolt.

As a further improvement of the present utility model, a second gap is provided between the top of the horizontal through hole and the second fastening bolt.

As a further improvement of the present utility model, the upper steel plate, the upper support plate and the upper support column are connected together by a first fastening bolt.

As a further improvement of the utility model, the left side and the right side of the top of the upper support column are respectively provided with an upper L-shaped fastening plate, one side of the top of the L-shaped fastening plate is connected with the upper support column plate above through a third fastening screw, and one side of the bottom of the L-shaped fastening plate is connected with the upper support column through the third fastening screw; the left and right sides of lower support column bottom all is provided with down L type binding plate, and one side at lower L type binding plate top is in the same place with lower support column connection through fourth fastening screw, and one side at lower L type binding plate bottom is in the same place with the lower steel sheet of below through fourth fastening screw.

As a further improvement of the utility model, the vertical friction pair is a first vertical friction pair, and the first vertical friction pair is a spherical slide plate arranged along the vertical direction.

As a further improvement of the utility model, the vertical friction pair is a second vertical friction pair, the second vertical friction pair is a contact plate arranged along the vertical direction, and a plurality of contact convex columns are arranged on the inner side of the contact plate.

As a further improvement of the utility model, the contact stud is a shock absorbing pin.

By means of the scheme, the utility model has at least the following advantages:

the utility model can effectively bear pressure and simultaneously can well resist the tensile force and torque from two sides to adapt to the movement of the support plate in the longitudinal direction and the transverse direction through the connecting structure among the upper support plate, the upper support column, the lower support column and the lower support plate; through the structure setting of vertical friction pair, can carry out buffering spacing processing when removing in certain limit to the bridge beam supports.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of the present utility model;

fig. 3 is a partial structural schematic view of the left part in fig. 1 or 2.

In the drawings, the meaning of each reference numeral is as follows.

1. Upper steel plate 2 upper support plate

3. Top spherical surface slide plate 4 spherical crown plate

5. Support column on first fastening screw 6

7. First vertical friction pair 8 second fastening screw

9. Lower support column 10 lower steel plate

11. Lower spherical surface slide plate of lower support plate 12

13. The second vertical friction pair 14 contacts the stud

Third fastening screw of L-shaped fastening plate 16 on 15

17 fourth fastening screw 18 lower L-shaped fastening plate

19. Pin hole 20 horizontal through hole

21. Horizontal threaded hole

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In order to make the present utility model better understood by those skilled in the art, the following description will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Examples

As shown in figures 1 to 3 of the drawings,

the utility model provides a two-way spacing formula bridge support, from last down including last steel sheet 1, upper bracket board 2, go up sphere slide 3, spherical crown board 4, lower sphere slide 12, lower bracket board 11 and lower steel sheet 10 in proper order, the top of spherical crown board 4 is through last sphere slide 3 and the upper bracket board 2 contact connection setting of top, the bottom of spherical crown board 4 is through lower sphere slide 12 and the lower bracket board 12 contact connection setting of below.

The left and right sides of upper bracket board 2 bottom all is provided with upper support column 6, and the left and right sides at lower bracket board 11 top all is provided with lower support column 9, and lower support column 9 is located the outside of upper support column 6. The left side and the right side of the top of the upper support column 6 are respectively provided with an upper L-shaped fastening plate 15, one side of the top of the L-shaped fastening plate 15 is connected with the upper support column 2 above through a third fastening screw 16, and one side of the bottom of the L-shaped fastening plate 15 is connected with the upper support column 6 through the third fastening screw 16; the left and right sides of bottom of lower support column 9 all are provided with lower L type fastening plate 18, and one side at lower L type fastening plate 18 top is in the same place with lower support column 9 through fourth fastening screw 17, and one side at lower L type fastening plate 18 bottom is in the same place with lower steel sheet 10 below through fourth fastening screw 17.

A first gap is arranged between the inner side of the upper support column 6 and the left side and the right side of the lower support seat plate 11, and a vertical friction pair is arranged on the first gap.

First case: the vertical friction pair is a first vertical friction pair 7, and the first vertical friction pair is a spherical sliding plate arranged along the vertical direction.

Second case: the vertical friction pair is a second vertical friction pair 13, the second vertical friction pair 13 is a contact plate arranged along the vertical direction, a plurality of contact convex columns 14 are arranged on the inner side of the contact plate, and the contact convex columns 14 can be contact pieces such as damping nails.

The lower support column 9, the upper support column 6 and the lower support seat plate 11 are connected together through a second fastening bolt 8 which is horizontally arranged. The position that is close to the top on the lower support column 9 is provided with the pinhole 19 along the horizontal direction, is provided with horizontal through-hole 20 along the horizontal direction on the inboard upper support column 6 of pinhole 19, is provided with horizontal screw hole 21 along the horizontal direction on the inboard lower support seat board 11 of horizontal through-hole 20, and second fastening bolt 8 passes pinhole 19, horizontal through-hole 20 and horizontal screw hole 21 in proper order and links together lower support column 9, upper support column 6 and lower support seat board 11 three. The upper steel plate 1, the upper support plate 2 and the upper support column 6 are connected together through a first fastening bolt 5. The inner diameters of the pin hole 19 and the horizontal through hole 20 are larger than the outer diameter of the second fastening bolt 8, a second gap is arranged between the top of the horizontal through hole 20 and the second fastening bolt 8, and when the support bears pressure, the upper support column 6 cannot generate pressure on the second fastening bolt 8; when the support bears the tensile force, the upper support column 6 is in a tension state, and the tensile force is transmitted to the upper support plate and the lower support plate through the second fastening bolts 8, and then transmitted to the pier.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features being indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected: can be mechanically or electrically connected: the terms are used herein to denote any order or quantity, unless otherwise specified.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and it should be noted that it is possible for those skilled in the art to make several improvements and modifications without departing from the technical principle of the present utility model, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. The utility model provides a two-way spacing formula bridge support, includes steel sheet (1), upper bracket board (2), upper spherical slide (3), ball crown board (4), lower spherical slide (12), lower bracket board (11) and lower steel sheet (10) from last down in proper order, the top of ball crown board (4) is through upper spherical slide (3) and upper bracket board (2) contact connection setting in top, the bottom of ball crown board (4) is through lower spherical slide (12) and lower bracket board (11) contact connection setting in below, a serial communication port, the left and right sides of upper bracket board (2) bottom all is provided with upper support column (6), the left and right sides at lower bracket board (11) top all is provided with lower support column (9), lower support column (9) are located the outside of upper support column (6), all be provided with first clearance between the inboard of upper support column (6) and the left and right sides of lower bracket board (11), be provided with vertical friction pair on the first clearance, lower support column (6) and lower bracket board (11) are connected together through the level bolt (8) between the second bracket board.

2. The bidirectional limiting bridge support according to claim 1, wherein a pin hole (19) is formed in a position, close to the top, of the lower support column (9) along the horizontal direction, a horizontal through hole (20) is formed in the upper support column (6) on the inner side of the pin hole (19) along the horizontal direction, a horizontal threaded hole (21) is formed in the lower support plate (11) on the inner side of the horizontal through hole (20), and the second fastening bolt (8) sequentially penetrates through the pin hole (19), the horizontal through hole (20) and the horizontal threaded hole (21) and connects the lower support column (9), the upper support column (6) and the lower support plate (11) together.

3. A two-way spacing bridge abutment as claimed in claim 2 wherein the pin bore (19) and the horizontal through bore (20) are of a larger internal diameter than the external diameter of the second fastening bolt (8).

4. A two-way spacing bridge abutment as claimed in claim 3, wherein a second gap is provided between the top of the horizontal through hole (20) and the second fastening bolt (8).

5. A two-way spacing bridge abutment as claimed in claim 1 wherein said upper steel plate (1), upper abutment plate (2) and upper abutment post (6) are connected together by a first fastening bolt (5).

6. The bidirectional limiting bridge support according to claim 1, wherein an upper L-shaped fastening plate (15) is arranged on the left side and the right side of the top of the upper support column (6), one side of the top of the L-shaped fastening plate (15) is connected with the upper support seat plate (2) above through a third fastening screw (16), and one side of the bottom of the L-shaped fastening plate (15) is connected with the upper support column (6) through the third fastening screw (16); the left and right sides of bottom of lower support column (9) all is provided with lower L type fastening plate (18), one side at lower L type fastening plate (18) top is in the same place through fourth fastening screw (17) and lower support column (9), one side at lower L type fastening plate (18) bottom is in the same place through fourth fastening screw (17) and lower steel sheet (10) of below.

7. A two-way spacing bridge abutment as claimed in claim 1 wherein said vertical friction pair is a first vertical friction pair (7) which is a spherical slide plate arranged in a vertical direction.

8. A two-way spacing bridge beam support as claimed in claim 1, wherein the vertical friction pair is a second vertical friction pair (13), the second vertical friction pair (13) is a contact plate arranged along the vertical direction, and a plurality of contact convex columns (14) are arranged on the inner side of the contact plate.

9. A two-way spacing bridge abutment as claimed in claim 8 wherein said contact studs (14) are shock absorbing studs.