CN218203864U

CN218203864U - Bridge expansion joint device with transverse displacement function

Info

Publication number: CN218203864U
Application number: CN202222214587.9U
Authority: CN
Inventors: 徐速; 徐斌; 尤其; 吴江涛; 刘正武
Original assignee: Ningbo Roaby Technology Industrial Group Co ltd
Current assignee: Ningbo Roaby Technology Industrial Group Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-03
Anticipated expiration: 2032-08-22

Abstract

The utility model provides a bridge expansion joint device with lateral displacement function, including first fishback and second fishback, first fishback is for striding seam fishback, first fishback first end supports on the first roof beam body, first fishback second end forms the broach cooperation with second fishback, second fishback bottom is equipped with the broach fixed plate, be equipped with the fixed plate of fixing on the second roof beam body in broach fixed plate below, broach fixed plate below is equipped with the first lateral displacement piece of fixing mutually with the second fishback, install the second lateral displacement piece of relative first lateral displacement piece lateral displacement on the fixed plate. This bridge expansion joint device is through setting up first lateral displacement spare in broach fixed plate below, and the second lateral displacement spare of the relative first lateral displacement spare lateral displacement of installation on the fixed plate, when the bridge receives heavy load, strong wind, ocean current, morning and evening tides, earthquake influence and lateral displacement, relative lateral displacement can take place for first lateral displacement spare and second lateral displacement spare, avoids damaging bridge expansion joint device.

Description

Bridge expansion joint device with transverse displacement function

Technical Field

The utility model belongs to the technical field of a bridge expansion joint technique and specifically relates to a bridge expansion joint device with lateral displacement function is related to.

Background

In order to meet the requirement of deformation of a bridge body, a bridge expansion joint device is generally arranged between two beam ends of a bridge, between the beam end and an abutment or on the hinged position of the bridge. At present, most of the existing bridge expansion joint devices generally have the functions of longitudinal displacement, longitudinal corners and horizontal corner three-way displacement at the same time, and can meet the requirements of most bridges on the bridge expansion joint devices, but some large bridges are influenced by environment, temperature, heavy load, strong wind, ocean current, tides and earthquakes in the using process, and can generate transverse displacement besides longitudinal displacement, longitudinal corners and horizontal corners. Although the prior art also discloses a bridge expansion joint device with longitudinal displacement, transverse displacement, longitudinal corners and horizontal corners, the transverse displacement of the prior expansion joint device is arranged between the seam crossing plate and the beam body on the corresponding side, and no transverse displacement structure is arranged between the fixed plate and the beam body on the corresponding side, so that the relative transverse displacement of the bridges on two sides of the expansion joint cannot be well realized. In summary, the conventional bridge expansion joint device is to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to above-mentioned prior art current situation, provide a bridge expansion joint device with lateral displacement function that can satisfy expansion joint both sides roof beam body lateral displacement.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: this bridge expansion joint device with lateral displacement function, including installing first fishback on the first roof beam body and installing the second fishback on the second roof beam body, first fishback is for striding seam fishback, and the first end of first fishback supports on the first roof beam body, and the second end of first fishback forms the broach cooperation, its characterized in that with the second fishback: the bottom of second fishback is equipped with the broach fixed plate the below of broach fixed plate is equipped with the fixed plate of fixing on the second roof beam body, broach fixed plate below is equipped with the first lateral shifting piece of fixing with the second fishback install the second lateral shifting piece that can first lateral shifting piece lateral shifting relatively on the fixed plate.

Preferably, the first lateral displacement member is an upper dovetail plate, the second lateral displacement member is a lower dovetail plate, and the lower dovetail plate and the upper dovetail plate can move laterally relative to each other.

Further preferably, the upper dovetail plate is fixedly connected to the second comb plate through an upper connecting bolt, and the lower dovetail plate is fixedly connected to the fixing plate through a lower connecting bolt.

As another preferable scheme, the first lateral displacement member and the second lateral displacement member are spring bolt sets with lateral displacement functions.

Further preferably, the spring bolt group comprises an outer box, a damping piece, an outer box upper fixing plate and a connecting bolt, the outer box is fixed on the fixing plate, the damping piece is arranged in the outer box, a transverse movable gap is reserved between the damping piece and the outer box, the outer box upper fixing plate is clamped between the top of the outer box and the bottom of the comb tooth fixing plate, the lower end of the connecting bolt extends into the outer box and is fixed with the damping piece, the upper end of the connecting bolt sequentially penetrates through the outer box upper fixing plate and the comb tooth fixing plate and is fixed with the second comb tooth plate, and the transverse movable gap is reserved between the connecting bolt and the outer box upper fixing plate.

The shock-absorbing member can have multiple different structures, preferably, the shock-absorbing member includes shock-absorbing pad, locates the backing plate of shock-absorbing pad bottom and locates the slide at shock-absorbing pad top, the backing plate is fixed on connecting bolt, the slide clamp is located between shock-absorbing pad and outer container upper fixed plate, it has waist shape hole to open on the outer container upper fixed plate, form between waist shape hole and the connecting bolt horizontal clearance of moving.

In order to fix the fixing plate on the second beam body, the second beam body is provided with an installation notch, embedded steel bars or embedded steel plates are embedded in the installation notch, and the fixing plate is fixed on the embedded steel bars or the embedded steel plates through fixing bolts.

In order to enable the expansion joint device to have a multidirectional displacement function, the first end of the first comb plate is connected to the first beam body through a multidirectional displacement hinge with the multidirectional displacement function.

In order to enable the expansion joint device to have a vertical corner function, a horizontal corner function and a transverse displacement function, the multidirectional displacement hinge is provided with a vertical corner structure, a horizontal corner structure and a transverse displacement structure.

Compared with the prior art, the utility model has the advantages of: this bridge expansion joint device is through setting up the first lateral displacement spare fixed with the second broach board in broach fixed plate below, the second lateral displacement spare that the installation can first lateral displacement spare lateral displacement relatively on the fixed plate, receive the heavy load when the bridge, strong wind, ocean current, the morning and evening tides, during earthquake influence and lateral displacement, relative lateral displacement can take place for first lateral displacement spare and second lateral displacement spare, thereby can avoid damaging bridge expansion joint device, and then improve bridge safety in utilization.

Drawings

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

fig. 2 is a sectional view of the expansion joint device shown in fig. 1;

fig. 3 is a top view of the expansion joint device shown in fig. 1;

fig. 4 is a sectional view of the spring bolt assembly according to the first embodiment;

FIG. 5 is an enlarged view of portion A of FIG. 2;

fig. 6 is a schematic structural view of a second embodiment of the present invention;

fig. 7 is a top view of the expansion joint device shown in fig. 6;

fig. 8 is a schematic structural diagram of a third embodiment of the present invention;

fig. 9 is a top view of the expansion joint device shown in fig. 8.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1 to 3, the bridge expansion joint device of the present embodiment includes a first comb plate 1 mounted on a first beam 101 and a second comb plate 2 mounted on a second beam 102. Wherein, first fishback 1 is for striding seam fishback, and the first end of first fishback 1 is connected on first roof beam body 101 through the multidirectional hinge 9 that shifts that has the multidirectional function of shifting, and multidirectional hinge 9 that shifts has vertical corner, horizontal corner and lateral displacement structure, and the second end of first fishback 1 forms the broach cooperation with second fishback 2, makes the expansion joint device have the longitudinal displacement function. Therefore, the expansion joint device has the functions of vertical corner, horizontal corner, transverse displacement and longitudinal displacement. The above structure is the same as that of the existing expansion joint device, and is not described herein.

In this embodiment, the bottom of second fishback 2 is equipped with broach fixed plate 3, is equipped with fixed plate 4 below broach fixed plate 3, and broach fixed plate 3 and the equal level setting of fixed plate 4. The second beam body 102 has an installation notch, an embedded steel bar 81 or an embedded steel plate is embedded in the installation notch, and the fixing plate 4 is fixed on the embedded steel bar 81 or the embedded steel plate through the fixing bolt 82, so that the fixing plate 4 is fixedly connected with the second beam body 102.

3 below of broach fixed plate is equipped with the first lateral shifting piece of fixing mutually with second broach plate 2, installs second lateral shifting piece on fixed plate 4, and second lateral shifting piece can be relative first lateral shifting piece along horizontal bridge to displacement.

As shown in fig. 5, the first and second lateral displacement members of the present embodiment adopt a dovetail groove fit structure, specifically, the first lateral displacement member is an upper dovetail plate 51, the second lateral displacement member is a lower dovetail plate 52, the upper dovetail plate 51 is fixedly connected to the second comb plate 2 by an upper connecting bolt 61, the upper connecting bolt 61 passes through the comb fixing plate 3, and the lower dovetail plate 52 is fixedly connected to the fixing plate 4 by a lower connecting bolt 62. Since the lower dovetail plate 52 and the upper dovetail plate 51 can be laterally relatively moved, the comb-tooth fixing plate 3 and the second comb-tooth plate 2 can be laterally moved with respect to the fixing plate 4.

As shown in fig. 4, the first and second lateral displacement members of this embodiment also employ a set of spring bolts. Specifically, spring bolt group 7 includes outer box 71, damper 72, outer box upper fixed plate 73 and connecting bolt 74, outer box 71 is fixed on fixed plate 4, damper 72 locates inside outer box 71 and leaves horizontal movement clearance with the outer box, outer box upper fixed plate 73 clamping is between outer box 71 top and broach fixed plate 3 bottom, the lower extreme of connecting bolt 74 stretches into outer box 71 inside and is fixed mutually with damper 72, the upper end of connecting bolt 74 passes outer box upper fixed plate 73 and broach fixed plate 3 in proper order and is fixed mutually with second broach plate 2, leave horizontal movement clearance between connecting bolt 74 and outer box upper fixed plate 73. Wherein: the damping piece 72 comprises a damping cushion block 721, a cushion plate 722 arranged at the bottom of the damping cushion block and a sliding plate 723 arranged at the top of the damping cushion plate, the cushion plate 722 is fixed on the connecting bolt 74, the sliding plate 723 is clamped between the damping cushion block 721 and the outer box upper fixing plate 73, a kidney-shaped hole 731 is formed in the outer box upper fixing plate 73, and a transverse movable gap is formed between the kidney-shaped hole 731 and the connecting bolt 74.

This bridge expansion joint device has vertical corner, horizontal corner, lateral displacement function in first roof beam body 101 side, has the lateral displacement function in second roof beam body 102 side, and the broach cooperation of first fishback 1 and second fishback 2 has the longitudinal displacement function. When the bridge receives heavy load, strong wind, ocean current, morning and evening tides, earthquake influence, relative lateral displacement can take place for two side bridges in the expansion joint, and this expansion joint device passes through the relative lateral shifting of first lateral displacement spare and second lateral displacement spare to can avoid the expansion joint device to receive the damage, and then improve bridge safety in utilization.

Example two:

as shown in fig. 6 and 7, the first lateral displacement member of this embodiment is an upper dovetail plate 51, the second lateral displacement member is a lower dovetail plate 52, and the rest of the structure and the operation principle are the same as those of the first embodiment, and will not be described herein.

Example three:

as shown in fig. 8 and 9, the first lateral displacement member and the second lateral displacement member of the present embodiment are spring bolt sets 7, and the rest of the structure and the operation principle are the same as those of the first embodiment, and will not be described herein.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, the present invention can be modified or improved without departing from the principle of the present invention, and these modifications are all considered to be within the protection scope of the present invention.

Claims

1. The utility model provides a bridge expansion joint device with lateral displacement function, is including installing first fishback (1) on first roof beam body (101) and installing second fishback (2) on second roof beam body (102), first fishback (1) is for striding seam fishback, and the first end of first fishback (1) supports on first roof beam body (101), and the second end of first fishback (1) forms the broach cooperation with second fishback (2), its characterized in that: the bottom of second fishback (2) is equipped with broach fixed plate (3) the below of broach fixed plate (3) is equipped with fixed plate (4) of fixing on the second roof beam body (102), broach fixed plate (3) below is equipped with the first lateral shifting piece of fixing mutually with second fishback (2) install the second lateral shifting piece that can first lateral shifting piece lateral shifting relatively on fixed plate (4).

2. The bridge expansion joint device with transverse displacement function as claimed in claim 1, wherein: the first transverse displacement piece is an upper dovetail plate (51), the second transverse displacement piece is a lower dovetail plate (52), and the lower dovetail plate (52) and the upper dovetail plate (51) can move transversely relative to each other.

3. The bridge expansion joint device with transverse displacement function as claimed in claim 2, wherein: go up dovetail plate (51) and connect through last connecting bolt (61) and fix on second fishback (2), lower dovetail plate (52) are connected through connecting bolt (62) and are fixed on fixed plate (4).

4. The bridge expansion joint installation with transverse displacement function of claim 1, wherein: the first and second lateral displacement members are spring bolt sets (7) with lateral displacement functions.

5. The bridge expansion joint installation with transverse displacement function of claim 4, wherein: spring bolt group (7) include outer container (71), shock attenuation piece (72), outer container upper fixed plate (73) and connecting bolt (74), outer container (71) are fixed on fixed plate (4), shock attenuation piece (72) locate outer container (71) inside and with the outer container between leave horizontal activity clearance, outer container upper fixed plate (73) clamping is between outer container (71) top and broach fixed plate (3) bottom, the lower extreme of connecting bolt (74) stretches into outer container (71) inside and is fixed mutually with shock attenuation piece (72), and the upper end of connecting bolt (74) passes outer container upper fixed plate (73) and broach fixed plate (3) in proper order and is fixed mutually with second broach board (2), leaves horizontal activity clearance between connecting bolt (74) and outer container upper fixed plate (73).

6. The bridge expansion joint installation with transverse displacement function of claim 5, wherein: damping piece (72) include cushion block (721), locate cushion plate (722) of cushion block bottom and locate slide (723) at cushion block top, cushion plate (722) are fixed on connecting bolt (74), slide (723) press from both sides and are located between cushion block (721) and outer case upper fixed plate (73), it has waist shape hole (731) to open on outer case upper fixed plate (73), form between waist shape hole (731) and connecting bolt (74) horizontal clearance of activity.

7. The bridge expansion joint device with transverse displacement function as claimed in claim 1, wherein: the second beam body (102) is provided with an installation notch, embedded steel bars (81) or embedded steel plates are embedded in the installation notch, and the fixing plate (4) is fixed on the embedded steel bars (81) or the embedded steel plates through fixing bolts (82).

8. The bridge expansion joint device with transverse displacement function as claimed in claim 1, wherein: the first end of the first comb plate (1) is connected to the first beam body (101) through a multi-directional displacement hinge (9) with a multi-directional displacement function.

9. The bridge expansion joint device with transverse displacement function as claimed in claim 8, wherein: the multi-directional displacement hinge (9) is provided with a vertical corner, a horizontal corner and a transverse displacement structure.