CN220117006U - Truss support device for bridge - Google Patents

Abstract

The utility model relates to a truss supporting device for a bridge, which belongs to the technical field of bridge structures, and has the technical scheme that the truss supporting device comprises two triangular brackets, wherein each triangular bracket comprises a horizontal frame, an inclined frame obliquely intersected with the horizontal frame and a plurality of vertical positioning rods vertically arranged between the horizontal frame and the inclined frame, and two ends of each vertical positioning rod are fixedly connected with the horizontal frame and the inclined frame respectively; a plurality of mounting holes are respectively formed in two sides of the triangular supports, a plurality of connecting bolts are arranged between the two triangular supports, and the connecting bolts are horizontally arranged and axially penetrate through the mounting holes of the two triangular supports; the connecting bolt is provided with a connecting nut for pressing and fixing the triangular bracket on the pier; the utility model has low manufacturing cost and wide application range.

Description

Truss support device for bridge

Technical Field

The utility model relates to the technical field of bridge structures, in particular to a truss supporting device for a bridge.

Background

The bridge is generally composed of three parts of a bridge pier, a truss and a bridge deck laid on the upper part of the truss. In order to enhance the support of the bridge pier to the truss structure, a supporting device is generally arranged between the truss and the bridge pier, so that the supporting area of the bridge pier to the truss is enlarged. The existing truss supporting device for the bridge mostly adopts a structure form of a clamp, and specific reference can be made to a Chinese patent application document with a publication number of CN111877188A, which discloses a bridge reinforcing and supporting mechanism for building construction, comprising a main body rod, a limiting seat and a second clamp male seat; the main body rod is fixedly connected with a first clamp structure. Because two sliding blocks run through the public seat of second anchor clamps and the female seat of second anchor clamps respectively and contact with the main part pole, and two sliding block head ends are slope form structure to stir pole and sliding block head end contact, thereby can realize the chucking between sliding block and the main part pole automatically when stirring the pole and following first anchor clamps structure and move down.

The clamp structure of the truss support device for the bridge is ordered according to the diameter of the bridge pier, so that the manufacturing cost is high, and the application range is small.

Disclosure of Invention

The utility model aims to provide a truss supporting device for a bridge, which has low manufacturing cost and wide application range.

The technical aim of the utility model is realized by the following technical scheme: the truss supporting device for the bridge comprises two triangular brackets, wherein each triangular bracket comprises a horizontal frame, an inclined frame obliquely intersected with the horizontal frame and a plurality of vertical positioning rods vertically arranged between the horizontal frame and the inclined frame, and two ends of each vertical positioning rod are fixedly connected with the horizontal frame and the inclined frame respectively; a plurality of mounting holes are respectively formed in two sides of the triangular supports, a plurality of connecting bolts are arranged between the two triangular supports, and the connecting bolts are horizontally arranged and axially penetrate through the mounting holes of the two triangular supports; the connecting bolts are provided with connecting nuts which press and fix the triangular brackets on the bridge piers.

According to the technical scheme, when the truss supporting device for the bridge is used for supporting the bridge truss, the two triangular brackets are arranged on the bridge pier at the lower part of the bridge truss, the whole triangular brackets are of a triangular structure, good structural strength and stability are achieved, the two triangular brackets are abutted to the bridge pier, the vertical positioning rod is contacted with the peripheral wall of the bridge pier, and the mounting holes of the two triangular brackets are aligned correspondingly; the connecting bolts penetrate through the mounting holes of the two triangular brackets, the connecting nuts are mounted on the connecting bolts, the two triangular brackets are tensioned and close to each other through the connecting bolts and the connecting nuts, the two triangular brackets are further fixed on the bridge pier, the upper bridge truss is supported through the triangular brackets, and the force load force of the bridge truss is conducted to the bridge pier, so that the bridge truss can be well and stably supported.

Preferably, a plurality of support columns which are vertically arranged are fixed on the upper portion of the horizontal frame.

Through above-mentioned technical scheme, through setting up the support column on horizontal frame upper portion, and then realize the support to the not co-altitude planar of bridge truss through the support column of co-altitude to can be better support the bridge truss.

Preferably, the support column comprises a lower upright post and a support plate arranged at the upper end of the lower upright post; the upper end of the lower upright post is provided with an adjusting screw hole; the lower part of the supporting plate is fixed with an adjusting screw rod which is in threaded fit with the adjusting screw hole.

Through above-mentioned technical scheme, through rotating adjusting screw, and then adjust adjusting screw and adjusting screw's cooperation length to can change the whole length of support column, make the support column support the bridge truss that can be better.

Preferably, the connecting bolts are arranged on the upper part of the triangular bracket, and two sides of the lower part of the triangular bracket are respectively fixed with a transverse limiting rod.

Through above-mentioned technical scheme, the effort that the bridge crane acted on the tripod tip, mainly decomposed into along horizontal component and the slant separation along oblique frame direction of horizontal frame, through installing connecting bolt in tripod upper portion, and then the component along horizontal frame direction that can be better balanced to through setting up the cooperation of horizontal gag lever post and pier, can effectively reduce the tripod and rock the beat under the moment effect, make truss strutting arrangement for the bridge have better stability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural view of a truss support device for a bridge.

Fig. 2 is a view in the direction a in fig. 1.

Fig. 3 is a schematic structural view of a support column.

Wherein, 1, a triangular bracket; 11. a horizontal frame; 12. an inclined frame; 13. a vertical positioning rod; 2. a transverse limiting rod; 3. a connecting bolt; 4. a coupling nut; 5. a support column; 51. a lower column; 511. adjusting the screw hole; 52. a support plate; 53. and adjusting the screw.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that, as used in the description below, the words "front", "back", "left", "right", "upper" and "lower" refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions away from the geometric center of a particular component, respectively.

Examples:

the truss support device for the bridge comprises two triangular brackets 1, wherein the triangular brackets 1 comprise a horizontal frame 11, an inclined frame 12 obliquely intersected with the horizontal frame 11 and a plurality of vertical positioning rods 13 vertically arranged between the horizontal frame 11 and the inclined frame 12, and the two triangular brackets are arranged on the same side of the horizontal frame 11. The horizontal frame 11 and the inclined frame 12 are manufactured by welding angle steel or channel steel and other sectional materials, and the structure is simple and the manufacturing is easy. Both ends of the vertical positioning rod 13 are fixedly connected with the horizontal frame 11 and the inclined frame 12 respectively. Two sides of the lower part of the triangular bracket 1 are respectively fixed with a transverse limiting rod 2. A plurality of support columns 5 which are vertically arranged are fixed on the upper part of the horizontal frame 11. The position and the length of each support column 5 are designed according to the structure of the bridge truss, and the upper ends of the support columns 5 are in contact with the bridge truss.

A plurality of mounting holes are respectively formed in two sides of the upper part of the triangular bracket 1, a plurality of connecting bolts 3 are arranged between the two triangular brackets 1, and the connecting bolts 3 are horizontally arranged and axially penetrate through the mounting holes of the two triangular brackets 1; the connecting bolt 3 is provided with a connecting nut 4 for pressing and fixing the tripod 1 on the pier.

When the truss support device for the bridge is used, the two triangular brackets 1 are abutted against the bridge pier, the vertical positioning rods 13 are in contact with the peripheral wall of the bridge pier, and the mounting holes of the two triangular brackets 1 are correspondingly aligned. The connecting bolts 3 penetrate through the mounting holes of the two triangular supports 1, the connecting nuts 4 are mounted on the connecting bolts 3, the two triangular supports 1 are tensioned and close to each other through the connecting bolts 3 and the connecting nuts 4, and the two triangular supports 1 are fixed on the bridge pier. The bridge pier is shown as B in fig. 2.

Referring to fig. 1 and 3, the support column 5 includes a lower upright 51 and a support plate 52 provided at an upper end of the lower upright 51; the upper end of the lower upright post 51 is provided with an adjusting screw hole 511; an adjusting screw 53 screw-fitted to the adjusting screw hole 511 is fixed to the lower portion of the support plate 52. Through rotating adjusting screw 53, and then adjust adjusting screw 53 and adjusting screw 511's cooperation length to can change the whole length of support column 5, make support column 5 can be better support the bridge truss.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (2)

1. Truss support device for bridge, its characterized in that: the three-angle support comprises two three-angle supports (1), wherein each three-angle support (1) comprises a horizontal frame (11), an inclined frame (12) obliquely intersected with the horizontal frame (11) and a plurality of vertical positioning rods (13) vertically arranged between the horizontal frame (11) and the inclined frame (12), and two ends of each vertical positioning rod (13) are fixedly connected with the horizontal frame (11) and the inclined frame (12) respectively; a plurality of mounting holes are respectively formed in two sides of the triangular supports (1), a plurality of connecting bolts (3) are arranged between the two triangular supports (1), and the connecting bolts (3) are horizontally arranged and axially penetrate through the mounting holes of the two triangular supports (1); the connecting bolt (3) is provided with a connecting nut (4) for pressing and fixing the tripod (1) on a pier, a plurality of support columns (5) which are vertically arranged are fixed on the upper part of the horizontal frame (11), and each support column (5) comprises a lower upright post (51) and a support plate (52) arranged at the upper end of the lower upright post (51); the upper end of the lower upright post (51) is provided with an adjusting screw hole (511); an adjusting screw rod (53) in threaded fit with the adjusting screw hole (511) is fixed at the lower part of the supporting plate (52).

2. The truss support device for a bridge according to claim 1, wherein: the connecting bolt (3) is arranged on the upper portion of the triangular bracket (1), and two sides of the lower portion of the triangular bracket (1) are respectively fixed with a transverse limiting rod (2).