CN211420854U

CN211420854U - Anchoring device for bridge expansion joint

Info

Publication number: CN211420854U
Application number: CN201922267986.XU
Authority: CN
Inventors: 马明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-09-04
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses an anchor of bridge expansion joint relates to bridge expansion joint field, including the anchor board, the anchor board is rectangle platelike structure and is equipped with two sets ofly, and two sets of anchor boards all set up in the reservation expansion joint of bridge road bed intermediate position, and two sets of anchor boards activity laminating respectively is on the both sides inner wall of reserving the expansion joint. The utility model realizes the connection between two groups of anchoring plates through the first plate, the second plate and the stainless steel damping spring, replaces the fastening mode of a protruded steel bar structure, realizes the purpose of high protection while realizing damping and buffering, and has no protruded structure to cause traffic accidents even if the shielding plate falls; the anchoring plates in the utility model are fixed and fastened, and a clapboard is arranged between the bottoms of the two groups of anchoring plates for supporting, so that the structure is stable; the utility model discloses well shielding plate seals when two sets of anchor board upper ends, and the support post of accessible shielding plate bottom carries out the pressfitting to a board and No. two boards fixed for overall structure is firm.

Description

Anchoring device for bridge expansion joint

Technical Field

The utility model relates to a bridge expansion joint field, in particular to anchor of bridge expansion joint.

Background

Bridge expansion joints: it is referred to that in order to meet the requirement of deck deformation, expansion joints are usually provided between two beam ends, between a beam end and an abutment, or at the hinge joint of a bridge. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected.

However, when the bridge expansion joint is actually used, the anchoring device is often fixed through a steel bar structure, wherein the steel bar structure is also provided with a convex structure, and the phenomenon of safety accidents caused by tire puncture easily occurs when the upper shielding plate falls.

Therefore, it is necessary to provide an anchoring device for bridge expansion joints to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anchor at bridge expansion joint to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anchoring device for a bridge expansion joint comprises anchoring plates, wherein two groups of the anchoring plates are arranged in a rectangular plate-shaped structure, the two groups of the anchoring plates are arranged in a reserved expansion joint in the middle of a bridge subgrade, the two groups of the anchoring plates are respectively movably attached to the inner walls of the two sides of the reserved expansion joint, a first plate is fixedly welded in the middle of one group of the anchoring plates, a telescopic groove is formed in the middle of the first plate, a second plate is fixedly welded in the middle of the other group of the anchoring plates, the second plates are matched and inserted in the telescopic groove, a plurality of stainless steel damping springs distributed at equal intervals are arranged on the upper surface and the lower surface of each second plate, one end of each stainless steel damping spring is fixedly welded on the surface, close to the second plate, of the first plate, the other end of each stainless steel damping spring is fixedly welded on the surface, far away from the first plate, the upper ends of the anchoring, the fixed welding has the baffle between two sets of anchor board lower extreme, the fixed surface of baffle is equipped with the rubber pad, and the block has the shielding plate between two sets of anchor board upper ends, the surface of shielding plate is equipped with the mounting groove, and the fixed welding of lower surface of shielding plate has a plurality of groups to support the post, support the lower extreme of post respectively the activity laminating at the upper surface of a board and the upper surface of No. two boards.

Preferably, the length of the first plate is smaller than that of the second plate, and the length of the first plate is equal to half of the spacing distance between the two groups of anchoring plates.

Preferably, the fixing rivet is arranged above the first plate and the second plate, and a gap is formed between the upper surface of the fixing rivet and the upper surface of the anchoring plate.

Preferably, the shielding plate is of a rectangular plate-shaped structure, the outer edge of the shielding plate and the anchoring plate are fixedly welded, the thickness of the shielding plate is equal to the distance between the upper surface of the fixing rivet and the upper surface of the anchoring plate, and the width of the shielding plate is equal to the distance between the two groups of anchoring plates.

Preferably, the mounting groove is of a rectangular groove structure, and the mounting groove penetrates through the upper surface and the lower surface of the shielding plate simultaneously.

Preferably, when two sets of anchor plates are movably attached to the inner walls of the two sides of the reserved expansion joint respectively, the stainless steel damping spring is in a compressed state.

The utility model discloses a technological effect and advantage:

1. the utility model realizes the connection between two groups of anchoring plates through the first plate, the second plate and the stainless steel damping spring, replaces the fastening mode of a protruded steel bar structure, realizes the purpose of high protection while realizing damping and buffering, and has no protruded structure to cause traffic accidents even if the shielding plate falls;

2. the anchoring plates in the utility model are fixed and fastened, and a clapboard is arranged between the bottoms of the two groups of anchoring plates for supporting, so that the structure is stable;

3. the utility model discloses well shielding plate seals when two sets of anchor board upper ends, and the support post of accessible shielding plate bottom carries out the pressfitting to a board and No. two boards fixed for overall structure is firm.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the present invention.

Fig. 3 is a cross-sectional view taken along line a-a of fig. 2 according to the present invention.

Fig. 4 is a schematic structural view of the shielding plate of the present invention when it is clamped above the anchoring plate.

In the figure: 1. an anchoring plate; 2. a first board; 3. a second plate; 4. a stainless steel damping spring; 5. fixing the rivet; 6. a telescopic groove; 7. a partition plate; 8. a bridge roadbed; 9. reserving an expansion joint; 10. a rubber pad; 11. a shielding plate; 12. supporting columns; 13. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an anchor device of bridge expansion joint as shown in figures 1-4, including anchor plate 1, anchor plate 1 is rectangular plate-like structure and is equipped with two sets, two sets of anchor plate 1 all set up in the reserved expansion joint 9 of bridge roadbed 8 intermediate position, two sets of anchor plate 1 activity respectively laminate on the both sides inner wall of reserved expansion joint 9, the fixed welding of one set of anchor plate 1 intermediate position has a number of board 2, the intermediate position of a number of board 2 is equipped with flexible groove 6, the fixed welding of another set of anchor plate 1 intermediate position has a number of board 3, the length of a number of board 2 is less than the length of a number of board 3, the length of a number of board 2 equals half of the spacing distance between two sets of anchor plate 1, make the tip of a number of board 3 can block in the flexible groove 6 on a number of board 2, play the guide effect;

the second plate 3 is inserted into the telescopic groove 6 in a matching mode, a plurality of stainless steel damping springs 4 distributed at equal intervals are arranged on the upper surface and the lower surface of the second plate 3, one end of each stainless steel damping spring 4 is fixedly welded on one surface, close to the second plate 3, of the first plate 2, the other end of each stainless steel damping spring 4 is fixedly welded on the surface, far away from the first plate 2, of the anchoring plate 1, the upper end of the anchoring plate 1 is fixed in a reserved expansion joint 9 through a plurality of groups of fixing rivets 5 distributed at equal intervals, the fixing rivets 5 are arranged above the first plate 2 and the second plate 3, and gaps are formed between the upper surfaces of the fixing rivets 5 and the upper surface of the anchoring plate 1;

a partition plate 7 is fixedly welded between the lower ends of the two groups of anchoring plates 1, a rubber pad 10 is fixedly arranged on the upper surface of the partition plate 7, and the upper part of the rubber pad 10 is attached to the lower part of the first plate 2, so that the buffering and shock absorption effects are achieved;

the shielding plates 11 are clamped between the upper ends of the two groups of anchoring plates 1, the shielding plates 11 are in rectangular plate-shaped structures, the outer edges of the shielding plates 11 and the anchoring plates 1 are fixedly welded, the thickness of each shielding plate 11 is equal to the distance between the upper surface of each fixing rivet 5 and the upper surface of each anchoring plate 1, the bottom of each shielding plate 11 is attached above the corresponding fixing rivet 5, the shielding plates 11 and the anchoring plates 1 can be stably welded, the width of each shielding plate 11 is equal to the distance between the two groups of anchoring plates 1, and stable sealing is facilitated;

the surface of the shielding plate 11 is provided with a mounting groove 13, the mounting groove 13 is of a rectangular groove structure, and the mounting groove 13 simultaneously penetrates through the upper surface and the lower surface of the shielding plate 11, so that the anchoring plate 1 can be conveniently taken out;

the lower surface of the baffle plate 11 is fixedly welded with a plurality of groups of abutting columns 12, and the lower ends of the abutting columns 12 are movably attached to the upper surface of the first plate 2 and the upper surface of the second plate 3 respectively.

Two sets of anchor boards 1 activity laminating respectively when reserving the both sides inner wall at expansion joint 9, stainless steel damping spring 4 is compression state, and stainless steel damping spring 4 is in compression state all the time, has good shock attenuation and props tight effect, and the cushioning nature is strong.

The working principle is as follows: in the utility model, the connection between the two groups of anchoring plates 1 is realized through the first plate 2, the second plate 3 and the stainless steel damping spring 4, the fastening mode of a protruded steel bar structure is replaced, the aim of high protection is realized while damping and buffering are realized, and even if the shielding plate 11 falls, the traffic accident caused by the protruded structure does not exist;

the end of the second plate 3 is matched with the telescopic groove 6 in the first plate 2 in a clamping mode, certain guiding effect is achieved when the anchoring plates 1 at the two ends stretch out and draw back, the stainless steel damping spring 4 is always in a compression state, good damping and stretching effects are achieved, and buffering performance is high.

In the utility model, the anchoring plates 1 are fixed and fastened, and the partition plate 7 is arranged between the bottoms of the two groups of anchoring plates 1 for supporting, so that the structure is stable;

the utility model discloses well shielding plate 11 seals when 1 upper end of two sets of anchor boards, and the post 12 of supporting of 11 bottoms of accessible shielding plate carries out the pressfitting to a board 2 and No. two boards 3 fixed for overall structure is firm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an anchor device at bridge expansion joint, includes anchor plate (1), its characterized in that: the anchor plates (1) are of rectangular plate-shaped structures, two groups of anchor plates (1) are arranged in a reserved expansion joint (9) in the middle of a bridge roadbed (8), the two groups of anchor plates (1) are movably attached to the inner walls of the two sides of the reserved expansion joint (9) respectively, a first plate (2) is fixedly welded in the middle of one group of anchor plates (1), a telescopic groove (6) is formed in the middle of the first plate (2), a second plate (3) is fixedly welded in the middle of the other group of anchor plates (1), the second plate (3) is inserted into the telescopic groove (6) in a matching mode, a plurality of stainless steel damping springs (4) which are distributed equidistantly are arranged on the upper surface and the lower surface of the second plate (3), one end of each stainless steel damping spring (4) is fixedly welded on one surface, close to the second plate (3), of the other end of each stainless steel damping spring is fixedly welded on the surface of the anchor plate (1) far away from the first plate (2), the upper end of anchor board (1) is fixed in reserving expansion joint (9) through a plurality of fixed rivets (5) that the equidistance distributes of group, and fixed welding has baffle (7) between two sets of anchor board (1) lower extreme, the last fixed surface of baffle (7) is equipped with rubber pad (10), and the block has shielding plate (11) between two sets of anchor board (1) upper ends, the surface of shielding plate (11) is equipped with mounting groove (13), and the lower fixed surface welding of shielding plate (11) has a plurality of groups to post (12), the lower extreme of post (12) is the movable laminating respectively at the upper surface of a board (2) and the upper surface of No. two boards (3).

2. The anchoring device for a bridge expansion joint according to claim 1, wherein: the length of the first plate (2) is smaller than that of the second plate (3), and the length of the first plate (2) is equal to half of the spacing distance between the two groups of anchoring plates (1).

3. The anchoring device for a bridge expansion joint according to claim 1, wherein: the fixing rivet (5) is arranged above the first plate (2) and the second plate (3), and a gap is formed between the upper surface of the fixing rivet (5) and the upper surface of the anchoring plate (1).

4. The anchoring device for a bridge expansion joint according to claim 1, wherein: the shielding plate (11) is of a rectangular plate-shaped structure, the outer edge of the shielding plate (11) and the anchoring plate (1) are fixedly welded, the thickness of the shielding plate (11) is equal to the distance between the upper surface of the fixing rivet (5) and the upper surface of the anchoring plate (1), and the width of the shielding plate (11) is equal to the spacing distance between the two groups of anchoring plates (1).

5. The anchoring device for a bridge expansion joint according to claim 1, wherein: mounting groove (13) are rectangle cell body structure, and mounting groove (13) run through the upper and lower surface of shielding plate (11) simultaneously.

6. The anchoring device for a bridge expansion joint according to claim 1, wherein: when two sets of anchor plates (1) are movably attached to the inner walls of the two sides of the reserved expansion joint (9) respectively, the stainless steel damping springs (4) are in a compressed state.