Self-balancing type bridge girder erection machine transverse moving track support

Abstract

The utility model discloses a self-balancing type bridge girder erection machine transverse moving track support which comprises a plurality of sets of stand columns, and each set of stand columns comprises two stand columns which are symmetrically arranged in the width direction of a bridge. The track beams are laid at the upper ends of the stand columns; the upper end of the stand column is connected with the track beam through a column head, and the lower end of the stand column is provided with a column foot embedded part partially embedded into concrete. And a channel steel connecting system is connected between the adjacent upright posts. According to the transverse moving track support, the feasibility of whole span transverse beam moving construction technology research between same bridge spans is verified under the conditions that high pier beam erecting conditions are limited, and beam erecting conditions and beam erecting channels do not exist.

Description

Technical Field

[0001] The utility model relates to the technical field of the installation and fixation construction of track brackets in bridge engineering, in particular to a self-balancing transverse track bracket for a bridge erecting machine. Background Art

[0002] In the construction of beam slab erection in bridge engineering, the erection of beam slabs is an important construction content. At present, most of the beam slab erections are single-span one-way erection systems, and there are few technical examples of cross-span lateral erection. The bridge erecting machine connects the middle legs of two bridges through a connecting beam to form a transverse moving beam, and then uses a transverse moving device to move the bridge erecting machine to the middle leg on the other bridge, so as to complete the reinstallation of the bridge erecting machine on the other bridge. However, the current support system and the construction method of precast beam cross-span erection cannot realize the simultaneous beam erection construction on the left and right spans, and the construction period is relatively long.

[0003] Therefore, based on the above technical problems, those skilled in the art urgently need to develop a self-balancing transverse track bracket for a bridge erecting machine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a self-balancing transverse track bracket for a bridge erecting machine, which can realize the simultaneous beam erection construction on the left and right spans, shorten the overall construction period of beam slab erection, and meet the requirements of the safety and environmental protection departments at the same time.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A self-balancing transverse track bracket for a bridge erecting machine of the utility model, the transverse track bracket includes:

[0007] Multiple groups of columns, each group of columns includes two columns symmetrically arranged along the bridge width direction;

[0008] A track beam laid on the upper ends of the columns;

[0009] The upper ends of the columns are connected to the track beam through column heads, and the lower ends of the columns are provided with column foot embedded parts partially embedded in concrete;

[0010] A channel steel connecting system is connected between adjacent columns.

[0011] Further, the columns are welded by butt welding of [32a channel steel;

[0012] The channel steel connecting system adopts [10 channel steel, and the two channel steel connecting systems between adjacent two columns are arranged crosswise.

[0013] Further, distribution beams are laid on the upper ends of the column heads of the columns, and the multiple distribution beams support the track beam;

[0014] The column head includes:

[0015] a top plate connected to the upper end of the column, the thickness of the top plate being 16 cm; and

[0016] a plurality of top ear plates connected to the top plate and arranged circumferentially around the column, the weld width between the top ear plates and the top plate being 8 mm.

[0017] Further, the embedded part of the column base includes:

[0018] a limit steel plate located at the bottom of the column, the thickness of the limit steel plate being 16 cm;

[0019] a plurality of bottom ear plates welded and fixed to the limit steel plate and arranged circumferentially around the column; and

[0020] embedded steel bars connected to the limit steel plate;

[0021] the embedded steel bars pass through the limit steel plate, a threaded part is provided on the part of the embedded steel bars extending above the limit steel plate, a nut is threadedly connected to the threaded part, and a gasket is provided between the nut and the limit steel plate;

[0022] the part of the embedded steel bars extending below the limit steel plate is embedded in the concrete.

[0023] Further, the length of the embedded steel bars above the limit steel plate is 5 cm, and the length of the embedded steel bars below the limit steel plate is 40 cm;

[0024] the embedded steel bars are made of φ20 mm steel bars.

[0025] In the above technical solution, a self - balancing type bridge girder transverse movement track support provided by the present utility model has the following beneficial effects:

[0026] The transverse movement track support of the present utility model verifies the feasibility of the research on the overall span - wide transverse beam movement construction technology between the same - side bridge spans under the conditions of limited beam erection conditions on high piers, no beam erection conditions, and no beam erection channels.

[0027] The transverse movement track support of the present utility model is convenient for material procurement, simple to process, and does not require complex measurement for assembly and alignment, saving construction costs. Description of the Drawings

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0029] Figure 1 This is the front view of the construction state of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0030] Figure 2 This is the top view of the construction state of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0031] Figure 3 This is the structural schematic diagram of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0032] Figure 4 This is the front view of the column head of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0033] Figure 5 This is the top view of the column head of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0034] Figure 6 This is the front view of the column - foot embedded part of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0035] Figure 7 This is the top view of the column - foot embedded part of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application;

[0036] Figure 8 This is the structural schematic diagram of the connection of the embedded steel bars of a self - balancing bridge girder erecting machine transverse track support disclosed in the embodiments of the present application.

[0037] Explanation of reference numerals:

[0038] 1, column; 2, column head; 3, column - foot embedded part; 4, distribution beam; 5, track beam; 6, channel steel connection system;

[0039] 201, top plate; 202, top ear plate;

[0040] 301, limit steel plate; 302, bottom ear plate; 303, embedded steel bar; 304, nut; 305, gasket. Detailed implementation manners

[0041] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0042] See Figures 1 to 8 as shown in

[0043] The embodiments of the present application disclose a self - balancing bridge girder erecting machine transverse track support, and the transverse track support includes:

[0044] Multiple sets of columns 1, and each set of columns 1 includes two columns 1 symmetrically arranged along the bridge width direction;

[0045] The track beam 5 laid on the upper ends of the columns 1;

[0046] The upper ends of the columns 1 are connected to the track beam through the column heads 2, and the lower ends of the columns 1 are provided with column foot embedded parts 3 partially embedded in the concrete;

[0047] The channel steel connection system 6 is connected between adjacent columns 1.

[0048] The columns 1 in this embodiment are welded by butt welding of [32a channel steel;

[0049] The channel steel connection system 6 uses [10 channel steel, and the two channel steel connection systems 6 between adjacent two columns 1 are arranged in a cross manner.

[0050] This embodiment further defines the structure of the columns 1 and the structure of the channel steel connection system 6 connected to the columns 1; the columns 1 in this embodiment adopt two channel steels in butt welding and are welded into a box structure by butt welding; the specific channel steel specifications used for the columns 1 are as above, and the materials in this embodiment are convenient to purchase, simple to process, and no complex measurement is required for assembly and alignment. More importantly, it can be stably placed between or on the bearing pads. The channel steel is used as the support column 1, the I-beam is used as the upper track beam, and finally the channel steel connection system 6 is used for reinforcement.

[0051] Preferably, a distribution beam 4 is laid on the upper ends of the column heads 2 of the columns 1 in this embodiment, and multiple distribution beams 4 support the track beam 5;

[0052] The column head 2 includes:

[0053] The top plate 201 connected to the upper end of the column 1, and the thickness of the top plate 201 is 16 cm; and

[0054] Multiple top ear plates 202 connected to the top plate 201 and arranged circumferentially around the column 1, and the weld width between the top ear plates 202 and the top plate 201 is 8 mm.

[0055] This embodiment further defines the structure of the column head 2, which includes the top plate 201 and the top ear plates 202; the cross-sectional dimension of the top plate 201 needs to be larger than that of the column 1 and is arranged at the upper end of the column 1. The top ear plates 202 are multiple plate bodies arranged circumferentially around the column 1, which can improve the structural stability and are used as stiffening plates.

[0056] Preferably, the column foot embedded part 3 in this embodiment includes:

[0057] The limit steel plate 301 located at the bottom of the column 1, and the thickness of the limit steel plate 301 is 16 cm;

[0058] A plurality of bottom ear plates 302 that are welded and fixed to the limit steel plate 301 and arranged circumferentially around the column 1; and

[0059] Embedded steel bars 303 connected to the limit steel plate 301;

[0060] The embedded steel bar 303 passes through the limit steel plate 301, a threaded portion is provided on the part of the embedded steel bar 303 extending above the limit steel plate 301, a nut 304 is threadedly connected to the threaded portion, and a gasket 305 is provided between the nut 304 and the limit steel plate 301;

[0061] The part of the embedded steel bar 303 extending below the limit steel plate 301 is embedded in the concrete.

[0062] Wherein, the length of the embedded steel bar 303 of this embodiment above the limit steel plate 301 is 5 cm, and the length of the embedded steel bar 303 below the limit steel plate 301 is 40 cm; the embedded steel bar 303 is made of a steel bar with a diameter of φ20 mm.

[0063] This embodiment further defines the structure of the column base embedded part 3. It is provided with a limit steel plate 301 whose cross-sectional dimension is larger than that of the column 1, its thickness is 16 cm, and a plurality of bottom ear plates 302 are welded as stiffening plates; at the same time, a plurality of embedded steel bars 303 pass through the limit steel plate 301, the part of the embedded steel bar 303 extending above the limit steel plate 301 is a threaded portion, and it is connected to the limit steel plate 301 through a nut 304 and a gasket 305. The part of the embedded steel bar 303 extending below the limit steel plate 301 is an embedded part, which can be directly embedded in the concrete.

[0064] In the above technical solution, a self-balancing type bridge girder transverse movement track support provided by the present utility model has the following beneficial effects:

[0065] The transverse movement track support of the present utility model verifies the feasibility of the research on the overall span transverse beam movement construction technology between the same-span bridge spans under the conditions of limited high pier beam erection, no beam erection conditions and beam erection channels.

[0066] The transverse movement track support of the present utility model is convenient for material procurement, simple to process, and does not require complex measurement for assembly and calibration, saving construction costs.

[0067] Only some exemplary embodiments of the present utility model are described above by way of illustration. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present utility model, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present utility model.

Claims

1. A self-balancing bridge erecting machine transverse track bracket, characterized in that: The traverse track bracket includes: A plurality of groups of columns (1), each group of columns (1) comprising two columns (1) symmetrically arranged along the width direction of the bridge; A track beam (5) laid on the upper end of the column (1); The upper end of the column (1) is connected to the track beam (5) via a column head (2), and the lower end of the column (1) is provided with a column foot embedded part (3) partially embedded in concrete; A channel steel connection system (6) is connected between adjacent columns (1).

2. The self-balancing bridge erecting machine transverse track bracket according to claim 1, characterized in that: The column (1) is formed by butt welding of [32a channel steel; The channel steel connection system (6) uses [10 channel steel, and the two channel steel connection systems (6) between two adjacent columns (1) are cross-arranged.

3. The self-balancing bridge erecting machine transverse track bracket according to claim 1, characterized in that: A distribution beam (4) is laid on the upper end of the column head (2) of the column (1), and a plurality of the distribution beams (4) support the track beam (5); The column head (2) comprises: a top plate (201) connected to the upper end of the column (1), wherein the thickness of the top plate (201) is 16 cm; and A plurality of top ear plates (202) are connected to the top plate (201) and arranged circumferentially around the upright column (1); the width of the weld between the top ear plates (202) and the top plate (201) is 8 mm.

4. The self-balancing bridge erecting machine transverse track bracket according to claim 1, characterized in that: The column foot embedded part (3) comprises: A limiting steel plate (301) located at the bottom of the column (1), wherein the thickness of the limiting steel plate (301) is 16 cm; a plurality of bottom ear plates (302) welded and fixed to the limiting steel plate (301) and arranged around the circumference of the column (1); and Embedded steel bars (303) connected to the limiting steel plate (301); The embedded steel bar (303) passes through the limiting steel plate (301), and the portion of the embedded steel bar (303) extending above the limiting steel plate (301) is provided with a threaded portion, the threaded portion is threadedly connected with a nut (304), and a gasket (305) is provided between the nut (304) and the limiting steel plate (301); The portion of the embedded steel bar (303) extending below the limiting steel plate (301) is embedded in the concrete.

5. The self-balancing bridge erecting machine transverse track bracket according to claim 4, characterized in that: The length of the embedded steel bar (303) above the limiting steel plate (301) is 5 cm, and the length of the embedded steel bar (303) below the limiting steel plate (301) is 40 cm; The embedded steel bars (303) are steel bars with a diameter of 20 mm.

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