Box girder mounting bracket

Abstract

The utility model discloses a box girder installation support, and relates to the technical field of box girder installation supports, the box girder installation support comprises a support assembly composed of a concrete prefabricated table, a height adjusting section and a plurality of structural unit sections, the height adjusting section and the plurality of structural unit sections are vertically assembled into a stand column, and the concrete prefabricated table is used for providing an installation base for the stand column; every two adjacent structural unit sections, the height adjusting sections and the structural unit sections, and the height adjusting sections and the concrete prefabricated platform are assembled in a butt joint mode through connecting pieces. The height adjusting sections and the structural unit sections are conveniently assembled by arranging the connecting pieces, the height of the mounting bracket can be adjusted by adjusting the use number of the structural unit sections and selecting the height adjusting sections with different heights, so that the mounting bracket is suitable for different projects, and compared with traditional welding connection operation, the working efficiency is higher, and the cost is reduced. Meanwhile, loss caused by cutting during disassembly is avoided, and in addition, the height adjusting section and the structural unit section can integrally keep good perpendicularity.

Description

TECHNICAL FIELD

[0001] The utility model relates to box girder mounting support technical field, concretely is a box girder mounting support. BACKGROUND

[0002] Steel box girder is also called steel plate box girder, and is a common structure form of large-span bridge, and is generally used on the bridge with large span, and is called steel box girder because the appearance is like a box.

[0003] The existing steel box girder mounting method is generally steel box girder support through the erection of relatively dense full-frame support, and the full-frame support is arranged above the ground, and the existing full-frame support is welded and fixed during installation, and the column is assembled and welded according to the required height, and after use, the column is divided into several shorter column bodies, so as to facilitate transfer operation, and this operation mode not only causes loss due to division, but also the perpendicularity of the column is prone to deviation during welding, and the assembly and welding are time-consuming and labor-consuming, and therefore, the box girder mounting support is provided. SUMMARY

[0004] The utility model discloses a box girder mounting support.

[0005] To achieve the above object, the utility model provides the following technical scheme: a box girder mounting support, including the support assembly that is composed of concrete prefabricated platform, height -adjusting section, structural unit section, the height -adjusting section is assembled with a plurality of structural unit sections and is the column, the concrete prefabricated platform is used for providing the mounting base for the column;

[0006] The height -adjusting section and the structural unit section and the concrete prefabricated platform are assembled through the connecting piece butt joint between two adjacent structural unit sections and the height -adjusting section;

[0007] The connecting piece includes flange plate, sector butt joint groove and sector butt joint block;

[0008] The flange plate is welded and fixed on the upper and lower ends of the height -adjusting section and the structural unit section respectively, the sector butt joint block is fixed on the upper surface of the flange plate, the sector butt joint block is provided with a plurality of and is evenly distributed in the form of ring with the center of the flange plate as the center, the upper surface of the flange plate is formed with a plurality of sector butt joint grooves through the sector butt joint block, and the sector butt joint groove and the sector butt joint block are sequentially staggered in the circumferential direction;

[0009] The flange plate, sector butt joint groove and sector butt joint block are provided with mounting holes in the corresponding parts, and the mounting holes completely penetrate the upper and lower surfaces of the flange plate, sector butt joint groove and sector butt joint block.

[0010] When the upper and lower flanges are butted, the fan-shaped butt joint groove and the fan-shaped butt joint block are clamped with each other by deflecting one flange by a certain angle, so as to realize automatic alignment of the mounting holes on the two flanges.

[0011] As a further scheme of the utility model: the upper surface of the flange is fixed with a circular pad in the middle, and the height of the circular pad is half of the height of the fan-shaped butt joint block.

[0012] As a further scheme of the utility model: the outer wall size of the fan-shaped butt joint block matches the inner wall size of the fan-shaped butt joint groove.

[0013] As a further scheme of the utility model: the flange, the fan-shaped butt joint groove, the fan-shaped butt joint block, the mounting hole and the circular pad are integrally formed by casting process.

[0014] As a further scheme of the utility model: the reinforcing ribs are welded and fixed between the horizontal distribution two structure unit sections, and an independent flange is arranged on the top of the concrete prefabricated platform to fill and support the flange at the bottom of the height adjusting section.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The convenient assembly of the height adjusting section and the structure unit section is realized by the connecting piece, the height adjustment of the mounting bracket is realized by adjusting the number of the structure unit sections and selecting the height adjusting sections with different heights, so as to adapt to the use of different projects, compared with the traditional welding connection operation, the work efficiency is faster, the loss caused by cutting during disassembly is avoided, and the height adjusting section and the structure unit section can maintain good perpendicularity. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of the utility model;

[0018] Fig. 2 It is a split schematic view of the bracket assembly of the utility model;

[0019] Fig. 3 It is a structure sectional view of the height adjusting section, the structure unit section and the connecting piece of the utility model.

[0020] In the drawing: 1, bracket assembly; 101, concrete prefabricated platform; 102, height adjusting section; 103, structure unit section; 104, reinforcing rib; 2, connecting piece; 201, flange; 202, fan-shaped butt joint groove; 203, fan-shaped butt joint block; 204, mounting hole; 205, circular pad. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figs. 1-3 In the embodiments of the present application, a box girder mounting support comprises a support assembly 1 composed of a concrete prefabricated platform 101, a height adjusting section 102 and a structural unit section 103, the height adjusting section 102 is vertically assembled with the structural unit sections 103 to form a column, and the concrete prefabricated platform 101 is used to provide a mounting base for the column.

[0023] The adjacent two structural unit sections 103 and the height adjusting section 102 and the structural unit section 103 and the height adjusting section 102 and the concrete prefabricated platform 101 are butted and assembled through the connecting pieces 2.

[0024] The connecting piece 2 comprises a flange plate 201, a fan-shaped butt joint groove 202 and a fan-shaped butt joint block 203.

[0025] The flange plate 201 is respectively welded and fixed to the upper and lower ends of the height adjusting section 102 and the structural unit section 103, the fan-shaped butt joint block 203 is fixed to the upper surface of the flange plate 201, the fan-shaped butt joint block 203 is provided with a plurality of and is evenly distributed in a ring shape with the center of the flange plate 201 as the center, the upper surface of the flange plate 201 is formed with a plurality of fan-shaped butt joint grooves 202 through the fan-shaped butt joint blocks 203, and the plurality of fan-shaped butt joint grooves 202 and the fan-shaped butt joint blocks 203 are distributed in the circumferential direction in turn.

[0026] The flange plate 201 is provided with a mounting hole 204 at the corresponding parts of the fan-shaped butt joint groove 202 and the fan-shaped butt joint block 203, and the mounting hole 204 completely penetrates the upper and lower surfaces of the flange plate 201 and the fan-shaped butt joint block 203.

[0027] When the upper and lower flange plates 201 are butted, one flange plate 201 is deflected at a certain angle to make the fan-shaped butt joint groove 202 and the fan-shaped butt joint block 203 mutually clamped, so as to realize the automatic alignment operation of the mounting holes 204 on the two flange plates 201.

[0028] The two horizontally distributed structural unit sections 103 are welded and fixed with a reinforcing rib 104, and the concrete prefabricated platform 101 is provided with an independent flange plate 201 at the top, which is used to fill and support the flange plate 201 at the bottom of the height adjusting section 102.

[0029] In the embodiment: it needs to be pointed out that: the concrete prefabricated platform 101 is embedded with studs, when the support assembly 1 is assembled, the overall height of the concrete prefabricated platform 101 assembled with the height adjusting section 102 and the plurality of structural unit sections 103 is the height required for installing the support, wherein the height of the concrete prefabricated platform 101 and the structural unit section 103 is fixed, the height of the height adjusting section 102 is less than the height of the structural unit section 103, the height of the height adjusting section 102 can be cut on site according to actual needs, and the height of the installed support can be adjusted by adjusting the number of structural unit sections 103 used and selecting height adjusting sections 102 of different heights, so as to adapt to the use of different projects;

[0030] The overall assembly is as follows:

[0031] First, the height adjusting section 102 and the structural unit section 103 are sequentially butted and fixed, at this time, two adjacent structural unit sections 103 and the structural unit section 103 and the height adjusting section 102 are butted against each other through the flange plate 201, in this process, the structural unit section 103 to be spliced is adjusted by rotating to make the fan-shaped butt joint block 203 on the bottom flange plate 201 align with the fan-shaped butt joint groove 202 on the top flange plate 201 of the other structural unit section 103 (or height adjusting section 102), then the two flange plates 201 are close and fit, finally, the fan-shaped butt joint groove 202 and the fan-shaped butt joint block 203 on the two flange plates 201 are sequentially clamped, so that the mounting holes 204 on the two flange plates 201 are aligned, then a bolt is taken to pass through the mounting holes 204 on the two flange plates 201, and a nut is screwed to fix it;

[0032] After the assembly of the two groups of height adjusting sections 102 and structural unit sections 103 is completed, the reinforcing ribs 104 can be welded between the two groups of structural unit sections 103 to fix the two groups of height adjusting sections 102 and structural unit sections 103 to each other (it should be noted that the width of the reinforcing rib 104 is cut and processed on site according to needs);

[0033] The concrete prefabricated platform 101 is precast at a designated position, and then the assembled height adjusting section 102 and structural unit section 103 are hoisted to the top of the concrete prefabricated platform 101 by hoisting equipment;

[0034] Then, take a flange plate 201 and fit it outside the embedded stud on the concrete prefabricated platform 101 through the mounting hole 204, it should be noted that the smooth surface of the flange plate 201 faces downward, the fan-shaped butt joint groove 202 and the fan-shaped butt joint block 203 face upward, and the fan-shaped butt joint block 203 on the flange plate 201 is aligned with the fan-shaped butt joint groove 202 on the bottom flange plate 201 of the height adjusting section 102;

[0035] Then the height adjusting section 102 and the structural unit section 103 are slowly lowered as a whole, the flange plate 201 at the bottom of the height adjusting section 102 is sleeved on the outside of the embedded stud, finally, the flange plate 201 at the bottom of the height adjusting section 102 is attached to the flange plate 201 above the concrete prefabricated platform 101, then the nut is taken and screwed with the stud, so that the installation and fixation of the height adjusting section 102 and the concrete prefabricated platform 101 are realized;

[0036] Through the above operation, the convenient assembly of the support is realized, through the connecting structure of the connecting piece 2, compared with the traditional welding connection operation, not only the work efficiency is faster, but also the loss caused by cutting during disassembly is avoided, in addition, the height adjusting section 102 and the structural unit section 103 as a whole can maintain good perpendicularity.

[0037] Please refer to Figs. 1-3 The upper surface of the flange plate 201 is fixed with a circular pad 205, and the height of the circular pad 205 is half of the height of the fan-shaped butt joint block 203.

[0038] The outer wall size of the fan-shaped butt joint block 203 matches the inner wall size of the fan-shaped butt joint groove 202.

[0039] The flange plate 201, the fan-shaped butt joint groove 202, the fan-shaped butt joint block 203, the mounting hole 204 and the circular pad 205 are integrally formed by casting process.

[0040] In the embodiment: when the two flange plates 201 are butt jointed, the circular pads 205 on the two flange plates 201 are attached to each other, so that there is no hollow between the two flange plates 201, and the connection stability of the two flange plates 201 is further improved.

[0041] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A box girder mounting bracket, comprising a bracket assembly (1) consisting of a concrete precast platform (101), a height adjustment section (102), a structural unit section (103), characterized in that, The height-adjusting section (102) is vertically assembled with several structural unit sections (103) to form a column, and the concrete prefabricated platform (101) is used to provide a mounting base for the column; Two adjacent structural unit sections (103) and the height-adjusting section (102) are butted and assembled by connecting pieces (2), and the height-adjusting section (102) and the structural unit section (103) and the concrete prefabricated platform (101) are butted and assembled by connecting pieces (2); The connecting piece (2) comprises a flange plate (201), a fan-shaped butt joint groove (202), and a fan-shaped butt joint block (203). The flange plate (201) is respectively welded and fixed to the upper and lower ends of the height-adjusting section (102) and the structural unit section (103), the fan-shaped butt joint block (203) is fixed to the upper surface of the flange plate (201), the fan-shaped butt joint block (203) is provided with a plurality of and is evenly distributed in a ring shape with the center of the flange plate (201) as the center, the upper surface of the flange plate (201) is formed with a plurality of fan-shaped butt joint grooves (202) through the fan-shaped butt joint blocks (203), and the plurality of fan-shaped butt joint grooves (202) and the fan-shaped butt joint blocks (203) are distributed in the circumferential direction in turn. The flange plate (201) and the fan-shaped butt joint groove (202) and the fan-shaped butt joint block (203) are provided with mounting holes (204) at the corresponding parts, and the mounting holes (204) completely penetrate the upper and lower surfaces of the flange plate (201) and the fan-shaped butt joint block (203). When the upper and lower flange plates (201) are butted, one flange plate (201) is deflected at a certain angle to make the fan-shaped butt joint groove (202) and the fan-shaped butt joint block (203) mutually clamped, so as to realize the automatic alignment operation of the mounting holes (204) on the two flange plates (201).

2. A box girder mounting bracket according to claim 1, wherein The upper surface of the flange plate (201) is fixed with a circular pad (205) in the middle, and the height of the circular pad (205) is half the height of the fan-shaped butt joint block (203).

3. The box beam mounting bracket of claim 1, wherein, The outer wall size of the fan-shaped butt joint block (203) matches the inner wall size of the fan-shaped butt joint groove (202).

4. The box beam mounting bracket of claim 2, wherein, The flange plate (201), the fan-shaped butt joint groove (202), the fan-shaped butt joint block (203), the mounting hole (204), and the circular pad (205) are integrally formed by a casting process.

5. The box beam mounting bracket of claim 1, wherein, Two structural unit sections (103) horizontally distributed are welded and fixed with a reinforcing rib (104), and the top of the concrete prefabricated platform (101) is provided with an independent flange plate (201) for filling and supporting the flange plate (201) at the bottom of the height-adjusting section (102).

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