CN212533699U - Bridge steel frame supporting structure - Google Patents

Abstract

The utility model discloses a bridge steelframe bearing structure, including bridge floor base, coupling mechanism, damper and heel post, bridge floor base both ends are integrative to be constructed respectively and are spliced, the bridge floor base passes through damper and coupling mechanism and is connected with the regulating plate, damper's one end and pier swing joint are kept away from to the regulating plate, the regulating plate is provided with the convex arch of a plurality of groups with the contact surface of pier, the holding tank that supplies convex arch to hold is seted up with the contact surface of regulating plate to the pier, the pier passes through the damping support and is connected with the heel post, the heel post is close to the one end four corners department fixed mounting on ground and grabs the ground claw. This bridge steel frame bearing structure connects the pontic and pier through increasing coupling mechanism, avoids producing great aversion between pontic and the pier, reduces the probability that the incident takes place, and is rational in infrastructure, is favorable to using widely.

Description

Bridge steel frame supporting structure

Technical Field

The utility model belongs to the technical field of the bridge supports, concretely relates to bridge steel frame bearing structure.

Background

The bridge, generally mean erect in river, lake and sea, make the structure that vehicles and pedestrians can pass smoothly, in order to adapt to the modern high-speed traffic industry that develops, the bridge also draws the application as spanning mountain stream, unfavorable geology or meet other traffic needs and erect make the building that pass more convenient, the bridge generally is made up of superstructure, substructure, support and affiliated structure, the superstructure is also called the bridge and strides the structure, it is the main structure which strides over the obstacle; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.

At present, most of the existing bridge supporting structures only place a damping device between a bridge body and a pier, however, displacement can be generated between the bridge body and the pier along with the erosion of vehicle running, typhoon and heavy rain, so that potential safety hazards are caused, and therefore the existing bridge supporting structures need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bridge steel frame bearing structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bridge steel frame supporting structure comprises a bridge deck base, a connecting mechanism, a damping mechanism and bearing columns, wherein splicing pieces are integrally formed at two ends of the bridge deck base respectively, and the two groups of splicing parts are distributed in a mirror image manner, a plurality of grooves are arranged on the upper surface of the bridge deck base, a connecting mechanism is fixedly arranged at the middle part of the lower surface, the bridge deck base is connected with the adjusting plate through a damping mechanism and a connecting mechanism, two groups of damping mechanisms are symmetrically distributed by taking the connecting mechanism as a midpoint, one end of the adjusting plate, which is far away from the damping mechanism, is movably connected with the bridge pier, a plurality of groups of circular arc bulges are arranged on the contact surface of the adjusting plate and the bridge pier, the holding tank that supplies convex arch to hold is seted up to the contact surface of pier and regulating plate, the pier passes through the damping support and is connected with the heel post, the heel post is close to the one end four corners department fixed mounting on ground and grabs ground claw.

Preferably, the two groups of splicing pieces are provided with semicircular receiving grooves for accommodating the steel balls at the middle, and every two bridge deck bases are movably connected through the splicing pieces and the steel balls.

Preferably, the connecting mechanism comprises two groups of connecting columns and a first rubber box, the connecting columns are connected in a clamped mode through the first rubber box, and one end, far away from the first rubber box, of each connecting column is fixedly connected with the bridge deck base and the adjusting plate respectively.

Preferably, damper includes first spring post, second spring post and second rubber case, the second rubber case is close to four first spring posts of a side edge fixed connection of bridge floor base, the other end swing joint bridge floor base of first spring post, the edge fixed mounting of the second rubber case another side has four sets of second spring posts, the other end swing joint regulating plate of second spring post.

Preferably, the ground grabbing claw consists of four groups of triangular blocks, the triangular blocks are respectively and fixedly installed at the corners of the bottom of the bearing column in an inclined mode, and the sharp corner ends face the ground.

Preferably, the two side walls of the pier, which are vertical to the direction of the bridge floor base, are respectively and fixedly provided with a support frame, and the other ends of the two groups of support frames are fixedly connected with the lower surface of the bridge floor base.

The utility model discloses a technological effect and advantage: this bridge steel frame bearing structure connects the pontic and pier through increasing coupling mechanism, avoids producing great aversion between pontic and the pier, reduces the probability that the incident takes place, installs the rubber case between the connecting rod simultaneously, provides the elastic movement space, has improved the flexibility of connecting, and cooperation damping device can reduce the pontic and vibrate from top to bottom and control the frequency of rocking. This bridge steel frame bearing structure, it is rational in infrastructure, be favorable to using widely.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the splicing structure of the bridge deck base of the present invention;

fig. 3 is a schematic view of the connection mechanism of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the device comprises a splicing piece 1, a bridge deck base 2, an adjusting plate 3, a connecting mechanism 4, a damping mechanism 5, a supporting frame 6, a pier 7, a damping support 8, a bearing column 9, a ground grabbing claw 10, a steel ball 11, a connecting column 12, a first rubber box 13, a second rubber box 14, a first spring column 15 and a second spring column 16.

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 a bridge steel frame supporting structure as shown in figures 1-4, which comprises a bridge deck base 2, a connecting mechanism 4, a damping mechanism 5 and a bearing column 9, wherein the two ends of the bridge deck base 2 are respectively and integrally constructed with splicing parts 1, and two groups of splicing parts 1 are distributed in a mirror image manner, the upper surface of the bridge deck base 2 is provided with a plurality of grooves for pouring a bridge body to connect the bridge body and the bridge deck base 2 into a whole, the structure is more stable, the middle part of the lower surface is fixedly provided with the connecting mechanism 4, the bridge deck base 2 is connected with an adjusting plate 3 through the damping mechanism 5 and the connecting mechanism 4, the damping mechanism 5 is symmetrically distributed with two groups by taking the connecting mechanism 4 as a middle point, one end of the adjusting plate 3 far away from the damping mechanism 5 is movably connected with a pier 7, the contact surface of the adjusting plate 3 and the pier 7 is provided with a plurality of groups of arc-shaped bulges, the force from the bridge body can be dispersed through the cooperation of circular arc arch and holding tank, alleviates pier 7's pressure, pier 7 is connected with heel post 9 through damping support 8, heel post 9 is close to the one end four corners fixed mounting on ground and grabs ground claw 10.

Specifically, two sets of splice 1 all sets up the semicircular receiving groove that supplies steel ball 11 to hold in the department of being in the middle of, bridge floor base 2 is two liang through splice 1 and steel ball 11 swing joint between, and steel ball 11 can play the supporting role, and the receiving groove can regard as expend with heat and contract with cold's expansion joint.

Specifically, coupling mechanism 4 includes two sets of spliced poles 12 and first rubber case 13, and is two sets of spliced pole 12 is through first rubber case 13 joint, and the one end of keeping away from first rubber case 13 is fixed connection bridge floor base 2 and regulating plate 3 respectively, is connected the pontic and pier 7 through coupling mechanism 4, reduces the dislocation that the displacement produced.

Specifically, damper 5 includes first spring post 15, second spring post 16 and second rubber case 14, second rubber case 14 is close to four first spring posts 15 of a side edge fixed connection of bridge floor base 2, the other end swing joint bridge floor base 2 of first spring post 15, the edge fixed mounting of the second rubber case 14 another side has four sets of second spring posts 16, the other end swing joint regulating plate 3 of second spring post 16, damper 5 will produce the power dispersion of vibrations, reduce resonance, are favorable to protecting the pontic.

Specifically, the ground grabbing claw 10 is composed of four groups of triangular blocks, the triangular blocks are respectively and fixedly installed at the corners of the bottom of the bearing column 9 in an inclined mode, the sharp-angle ends face the ground, and the ground grabbing claw 10 extends into the ground surface to improve the stability of the whole support.

Specifically, pier 7 and 2 direction vertically both sides wall of bridge floor base fixed mounting respectively have support frame 6, and are two sets of the other end of support frame 6 and the lower fixed surface of bridge floor base 2 are connected, and the space that bridge floor base 2, pier 7 and support frame 6 formed is triangle-shaped.

The working principle is as follows: the bridge steel frame supporting structure is used for pouring construction materials on the upper surface of a bridge deck base 2, grooves are formed to enable the bridge deck and the bridge deck base 2 to be mutually meshed into a whole, ground grabbing claws 10 are buried underground to increase the stability of the supporting structure, when a vehicle passes through a bridge deck, a damping mechanism 5 vibrates up and down through a second rubber box 14, a first spring column 15 and a second spring column 16 to weaken the pressure from the bridge deck base 2, an adjusting plate 3 disperses the force generating vibration through circular arc-shaped bulges and accommodating grooves, damping supports 8 are common bridge damping facilities, when a bridge body with uneven bridge deck pressure slightly inclines, splicing pieces 1 and steel balls 11 play a role in supporting the bridge deck, two groups of supporting frames 6 are matched with the damping supports 8 to improve the stability of the bridge deck, when an external force acts between the bridge deck and piers 7, the connecting mechanism 4 offsets the external force through a connecting column 12 and a first rubber box 13, avoiding the occurrence of displacement.

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 (6)

1. The utility model provides a bridge steel frame bearing structure, includes bridge floor base (2), coupling mechanism (4), damper (5) and heel post (9), its characterized in that: the bridge deck comprises a bridge deck base (2), splicing pieces (1) are integrally constructed at two ends of the bridge deck base (2) respectively, two groups of splicing pieces (1) are distributed in a mirror image mode, a plurality of grooves are formed in the upper surface of the bridge deck base (2), a connecting mechanism (4) is fixedly installed at the middle position of the lower surface of the bridge deck base, the bridge deck base (2) is connected with an adjusting plate (3) through a damping mechanism (5) and the connecting mechanism (4), two groups of damping mechanisms (5) are symmetrically distributed by taking the connecting mechanism (4) as a midpoint, one end, far away from the damping mechanism (5), of the adjusting plate (3) is movably connected with a pier (7), a plurality of groups of arc-shaped bulges are arranged on the contact surface of the adjusting plate (3) and the pier (7), accommodating grooves for accommodating the arc-shaped bulges are formed in the contact surface of the pier (7) and the adjusting, and four corners of one end of the bearing column (9) close to the ground are fixedly provided with ground grabbing claws (10).

2. The bridge steel frame support structure of claim 1, wherein: the middle parts of the two groups of splicing pieces (1) are provided with semicircular receiving grooves for accommodating steel balls (11), and the bridge floor base (2) is movably connected with each other through the splicing pieces (1) and the steel balls (11).

3. The bridge steel frame support structure of claim 1, wherein: the connecting mechanism (4) comprises two groups of connecting columns (12) and a first rubber box (13), the connecting columns (12) are connected in a clamped mode through the first rubber box (13), and one end, far away from the first rubber box (13), of each connecting column is fixedly connected with the bridge deck base (2) and the adjusting plate (3) respectively.

4. The bridge steel frame support structure of claim 1, wherein: damper (5) include first spring post (15), second spring post (16) and second rubber case (14), second rubber case (14) are close to a side edge fixed connection four groups of first spring posts (15) of bridge floor base (2), the other end swing joint bridge floor base (2) of first spring post (15), the edge fixed mounting of second rubber case (14) another side has four groups of second spring posts (16), the other end swing joint regulating plate (3) of second spring post (16).

5. The bridge steel frame support structure of claim 1, wherein: the ground grabbing claw (10) is composed of four groups of triangular blocks, the triangular blocks are respectively and fixedly installed at the corners of the bottom of the bearing column (9) in an inclined mode, and the sharp corner ends face the ground.

6. The bridge steel frame support structure of claim 1, wherein: the bridge pier is characterized in that support frames (6) are respectively and fixedly installed on two side walls, perpendicular to the bridge floor base (2), of the bridge pier (7), and the other ends of the support frames (6) are fixedly connected with the lower surface of the bridge floor base (2).

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