CN220166653U

CN220166653U - Steel bridge assembly connecting mechanism

Info

Publication number: CN220166653U
Application number: CN202321628090.XU
Authority: CN
Inventors: 顾海燕; 杜微峰; 董晓卫
Original assignee: Jiangsu Haiyan Heavy Industry Co ltd
Current assignee: Jiangsu Haiyan Heavy Industry Co ltd
Priority date: 2023-06-26
Filing date: 2023-06-26
Publication date: 2023-12-12
Anticipated expiration: 2033-06-26

Abstract

The utility model discloses a steel bridge assembly connection mechanism which comprises a bottom plate, a base welded on the bottom plate, and a plurality of piers detachably connected below the bottom plate, wherein the top of the base is provided with a mounting groove, a bridge deck is placed in the mounting groove, the bottom surface of the bridge deck is provided with a plurality of first grooves, first lugs matched with the first grooves are arranged in the mounting groove, mounting lugs are welded on two sides of the bridge deck and are fixed on the base through bolts, the bottom surface of the pier is provided with a plurality of second grooves, the top surface of the pier is provided with second lugs matched with the second grooves, the second lugs of the pier below are embedded in the second grooves of the pier above, and the upper sides and the lower sides of two ends of the pier are welded with first flanges, and adjacent piers are connected through the first flanges and the bolts. Through stacking a plurality of piers together, make the pier link as an organic wholely, the pier of bottom passes through first flange and bolt fastening at ground, and the pier of top layer passes through first flange and bolt and is connected with the bottom plate, has improved bulk strength.

Description

Steel bridge assembly connecting mechanism

Technical Field

The utility model relates to the technical field of steel bridges, in particular to a steel bridge assembling and connecting mechanism.

Background

The steel bridge has the advantages of convenience in construction, high erection speed, environment friendliness and no pollution, and is increasingly widely applied.

The existing steel bridge is mostly installed and welded on site, particularly bridge piers are mostly formed by welding steel pipes or steel columns, if the height of the steel pipes is insufficient, a plurality of steel pipes are welded up and down, on one hand, the steel pipes are small in diameter and easy to bend, so that the structural strength is low, on the other hand, the steel pipes are generally welded when being installed, and the installation is inconvenient.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a steel bridge assembly connecting mechanism for solving the problems in the background art.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a coupling mechanism is assembled to steel bridge, includes the bottom plate, welds the base on the bottom plate, can dismantle a plurality of piers of connection in the bottom plate below, the top of base is equipped with the mounting groove, the bridge floor has been placed to the mounting groove, the bottom surface of bridge floor is equipped with a plurality of first recesses, be equipped with in the mounting groove with first recess complex first lug, the both sides welding of bridge floor has the installation ear, the installation ear passes through the bolt fastening on the base, the bottom surface of pier is equipped with a plurality of second recesses, the top surface of pier is equipped with the second lug with second recess complex, and the second lug of below pier inlays to be established in the second recess of top pier, the upper and lower side at pier both ends all welds first flange, and adjacent pier passes through first flange and bolted connection, and the pier of bottom passes through first flange and bolt fastening on ground, and the pier of top layer is connected with the bottom plate through first flange and bolt.

Preferably, one end of the bottom plate is provided with a plurality of outwards extending steel bars, the other end of the bottom plate is provided with a plurality of inwards concave clamping grooves matched with the steel bars, the two ends of the bottom plate are welded with second flanges, and the bottom plate is inserted into the clamping grooves of the adjacent bottom plates through the steel bars and then is connected with the second flanges of the two adjacent bottom plates through bolts.

According to the technical scheme, when the bottom plate is installed, the steel bars at one end of the bottom plate are inserted into the clamping grooves of the adjacent bottom plates, and then the adjacent bottom plates are fixedly connected through the second flange.

Preferably, sleeves are welded on two sides of the bridge deck, and guardrails are connected in the sleeves through screws.

Above-mentioned technical scheme is through installing the guardrail in the sleeve, plays the guard action.

Preferably, the mounting hole has been seted up to the side of base, be the mounting bracket of U type through the screw connection on the mounting hole, the welding has the line concentration frame in the mounting bracket, it is connected with the line concentration wheel to rotate on the line concentration frame, the winding has the safety rope on the line concentration wheel.

According to the technical scheme, the line collecting frame is arranged on the base, and the safety rope is arranged, so that when an emergency (such as rescue) occurs, the safety rope can be released at the first time, and rescue workers can conveniently slide to the river surface along the safety rope to unwind and rescue.

Compared with the prior art, the utility model has the beneficial effects that:

through stacking a plurality of piers together, the second recess of pier is connected with the second lug of adjacent pier, has increased the area of contact of adjacent pier, prevents that the pier from sliding, and adjacent pier passes through bolt and first flange joint, makes the pier even as an organic wholely, and the pier of bottom passes through first flange and bolt fastening on ground, and the pier of top layer passes through first flange and bolt and bottom plate connection, has improved bulk strength.

The bridge floor is installed in the mounting groove, through the effect of first recess and first lug, has increased the area of contact of bridge floor and base, and the bridge floor passes through the installation ear, the bolt is installed on the base, has increased the stability that bridge floor and base are connected. The installation process does not need welding, and the convenience of installation is greatly improved.

Drawings

FIG. 1 is a schematic illustration of the present utility model for assembling a bridge;

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

FIG. 3 is a schematic view of a pier;

FIG. 4 is a side view of the base plate and the base;

FIG. 5 is an enlarged view of a portion of FIG. 1;

in the figure: 1-bottom plate, 2-base, 3-pier, 4-mounting groove, 5-bridge floor, 6-first recess, 7-first lug, 8-installation ear, 9-second recess, 10-second lug, 11-first flange, 12-reinforcing bar, 13-draw-in groove, 14-second flange, 15-sleeve, 16-guardrail, 17-mounting bracket, 18-line collecting rack, 19-bridge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, a steel bridge assembly connection mechanism comprises a bottom plate 1, a base 2 welded on the bottom plate 1, and a plurality of bridge piers 3 detachably connected below the bottom plate 1, wherein the top of the base 2 is provided with a mounting groove 4, a bridge deck 5 is placed in the mounting groove 4, the bottom surface of the bridge deck 5 is provided with a plurality of first grooves 6, first lugs 7 matched with the first grooves 6 are arranged in the mounting groove 4, mounting lugs 8 are welded on two sides of the bridge deck 5, the mounting lugs 8 are fixed on the base 2 through bolts, a plurality of second grooves 9 are arranged on the bottom surface of the bridge pier 3, a second lug 10 matched with the second grooves 9 is arranged on the top surface of the bridge pier 3, the second lugs 10 below are embedded in the second grooves 9 of the bridge pier above, a first flange 11 is welded on the upper side and the lower side of each of two ends of the bridge pier 3, the adjacent bridge piers 3 are connected through the first flange 11 and bolts, the bridge piers 3 on the bottom layer are fixed on the ground through the first flange 11 and the bolts, and the bridge piers 3 on the top layer are connected with the bottom plate 1 through the first flange 11 and the first flange. One end of the bottom plate 1 is provided with a plurality of outwards extending steel bars 12, the other end of the bottom plate 1 is provided with a plurality of inwards concave clamping grooves 13 matched with the steel bars 12, the two ends of the bottom plate 1 are welded with second flanges 14, and the bottom plate 1 is inserted into the clamping grooves 13 of the adjacent bottom plates through the steel bars 12 and then is connected with the second flanges 14 of the two adjacent bottom plates 1 through bolts. Sleeves 15 are welded on two sides of the bridge deck 5, and guardrails 16 are connected in the sleeves 15 through screws.

As shown in FIG. 1, the assembly connection structure of the utility model is a set of bridge units, and when the assembly is carried out, bridges can be formed by butt joint of a plurality of groups of bridge units. For example, according to the height of the river, a corresponding number of piers 3 are selected, a set of piers 3 is assembled, the piers 3 are connected to each other by bolts, then the bottom plate 1 is connected to the piers 3, then the bridge deck 5 is mounted on the base 2, and the assembly of a set of bridge units is completed. And then installing the next group of bridge units according to the width of the river channel, inserting the reinforcing steel bars 12 of the bottom plates 1 into the clamping grooves 13 of the adjacent bottom plates during installation, and connecting the adjacent bottom plates 1 into a whole through bolts, so that the assembly of the adjacent bridge units is completed, and the assembly of the bridge can be completed by adopting the sequential method.

Example 2

On the basis of embodiment 1, as shown in fig. 1 and 5, the side edge of the base 2 is provided with a mounting hole, the mounting hole is connected with a U-shaped mounting frame 17 through a screw, a line concentration frame 18 is welded in the mounting frame 17, a line concentration wheel is rotationally connected on the line concentration frame 18, and a safety rope is wound on the line concentration wheel. Through installing the line collecting frame on the base to set up the safety rope, when emergency (such as rescue) appears, but first time release safety rope makes things convenient for the rescue staff to slide to the river along the safety rope and expandes the rescue.

It should be noted that 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a coupling mechanism is assembled to steel bridge, its characterized in that includes bottom plate (1), welds base (2) on bottom plate (1), can dismantle a plurality of piers (3) of connection in bottom plate (1) below, the top of base (2) is equipped with mounting groove (4), bridge floor (5) have been placed in mounting groove (4), the bottom surface of bridge floor (5) is equipped with a plurality of first recess (6), be equipped with in mounting groove (4) with first recess (6) complex first lug (7), the both sides welding of bridge floor (5) has mounting ear (8), mounting ear (8) pass through bolt fastening on base (2), the bottom surface of pier (3) is equipped with a plurality of second recesses (9), the top surface of pier (3) be equipped with second lug (10) of second recess (9) complex, second lug (10) of below pier inlay and establish in second recess (9) of top pier, the upper and lower side at both ends of pier (3) have first flange (11) all welded, adjacent pier (3) pass through bolt fastening at first flange (11) and bottom flange (11) through first flange (11), the pier (3) of the top layer is connected with the bottom plate (1) through the first flange (11) and bolts.

2. The steel bridge assembly connection mechanism of claim 1, wherein: one end of the bottom plate (1) is provided with a plurality of outwards extending steel bars (12), the other end of the bottom plate is provided with a plurality of inwards sunken clamping grooves (13) matched with the steel bars (12), the two ends of the bottom plate (1) are welded with second flanges (14), and the bottom plate (1) is inserted into the clamping grooves (13) of the adjacent bottom plates through the steel bars (12) and then connected with the second flanges (14) of the adjacent two bottom plates (1) through bolts.

3. The steel bridge assembly connection mechanism of claim 1, wherein: the bridge floor (5) is welded with sleeves (15) on two sides, and guardrails (16) are connected in the sleeves (15) through screws.

4. A steel bridge girder erection joint mechanism according to any one of claims 1-3, wherein: the side of base (2) has seted up the mounting hole, be connected with mounting bracket (17) that are the U type through the screw connection on the mounting hole, the welding has line concentration frame (18) in mounting bracket (17), it is connected with the line concentration wheel to rotate on line concentration frame (18), the winding has the safety rope on the line concentration wheel.