Detachable temporary supporting device for viaduct crossing existing lines

Abstract

The utility model discloses a detachable temporary supporting device for a viaduct crossing an existing line. The detachable temporary supporting device comprises a base, a top plate, stand columns and cross beams. The plurality of upright posts are erected on the base; the cross beams are arranged between the adjacent stand columns; the top plate is placed on the tops of the multiple stand columns. The stand column comprises a connecting plate; the multiple stand columns are oppositely arranged. The base comprises a stand column limiting frame, a base bottom plate and a connecting claw. The connecting claw is arranged on the base bottom plate, and the base bottom plate is connected with the connecting plate through the connecting claw; the stand column is placed in the stand column limiting frame. The stand column limiting frame is placed on the base bottom plate, and the inner wall of the stand column limiting frame abuts against the outwards-expanding face of the stand column. The volume and the weight of the base are increased, the gravity center of the structure is reduced, the fixing effect of the base on the supporting column is enhanced, the stability of the base is greatly enhanced, and therefore it is guaranteed that the pushing process is conducted smoothly, and the construction period is shortened.

Description

Technical Field

[0001] The utility model relates to the field of construction supports, in particular to a detachable temporary supporting device for an elevated bridge crossing an existing line. Background Art

[0002] In the construction of viaducts, the proportion of steel box girders used is increasing. During the construction of steel box girders, due to the need to transport various materials and weld the beam body, temporary supports need to be built to facilitate the work of construction workers.

[0003] Although the existing temporary support structures on the market are detachable, the overall structure is not stable enough. The support is prone to deviation during use, affecting the overall construction progress. Utility Model Content

[0004] The utility model provides a detachable temporary supporting device for an elevated bridge crossing an existing line, so as to overcome the above technical problems.

[0005] In order to achieve the above purpose, the technical solution of the utility model is:

[0006] A detachable temporary support device for an elevated bridge crossing an existing line, comprising: a base, a top plate, columns and a crossbeam; a plurality of columns are erected on the base; the crossbeam is arranged between adjacent columns; the top plate is placed on the top of a plurality of columns; the columns comprise: a connecting plate; a plurality of columns are arranged opposite to each other;

[0007] The base comprises: a column limiting frame, a base bottom plate and a connecting claw;

[0008] The connecting claw is arranged on the bottom plate of the base, and the bottom plate of the base is connected to the connecting plate through the connecting claw;

[0009] The column is placed in the column limiting frame; the column limiting frame is placed on the bottom plate of the base, and the inner wall of the column limiting frame abuts against the outwardly expanded side of the column.

[0010] Furthermore, the connecting claw is an embedded part and is arranged inside the base bottom plate.

[0011] Furthermore, the column limiting frame is divided into a first column limiting frame and a second column limiting frame, and the first column limiting frame and the second column limiting frame are both provided with connecting holes, and the first column limiting frame and the second column limiting frame are connected by bolts through the connecting holes.

[0012] Furthermore, the connecting claw is provided with a screw hole and is connected to the connecting plate by bolts.

[0013] Further, it also includes: a diagonal brace;

[0014] The diagonal brace connects the adjacent columns to form a triangular structure with the adjacent columns.

[0015] Further, it also includes: a warning yellow light;

[0016] The yellow warning light is arranged at the connection between the crossbeam and the adjacent column.

[0017] The utility model discloses a detachable temporary supporting device for an elevated bridge crossing an existing line, wherein a plurality of columns are connected to the base via connecting claws, the plurality of columns are placed in the column limiting frames, and an outwardly expanded side is connected to the inner wall of the column limiting frames, thereby increasing the volume and weight of the base, lowering the center of gravity of the structure, and strengthening the fixing effect of the base on the pillars, greatly enhancing the stability of the base, thereby ensuring the smooth progress of the jacking process and shortening the construction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 This is a schematic diagram of the overall structure of a detachable temporary support device for an elevated bridge crossing an existing line according to the utility model;

[0020] Figure 2 This is a schematic diagram of the base structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the column limit frame of the utility model;

[0022] Figure 4 This is a schematic diagram of the base bottom plate of the utility model;

[0023] Figure 5 This is a schematic diagram of the column structure of the utility model.

[0024] In the figure, 41, base; 42, top plate; 43, diagonal brace; 44, column; 45, crossbeam; 46, warning yellow light; 47, power supply; 48, wire; 411, column limit frame; 412, base bottom plate; 413, connecting claw; 441, connecting plate. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] This embodiment provides a detachable temporary support device for an elevated bridge across an existing line, such as Figure 1 and Figure 2 As shown, it includes: a base 41, a top plate 42, a column 44 and a crossbeam 45;

[0027] The plurality of columns 44 are erected on the base 41; the crossbeam 45 is disposed between adjacent columns 44; the top plate 42 is placed on the top of the plurality of columns 44; the columns 44 include: a connecting plate 441; the plurality of columns 44 are disposed opposite to each other;

[0028] The base 41 includes: a column limiting frame 411, a base bottom plate 412 and a connecting claw 413;

[0029] The connecting claw 413 is disposed on the base bottom plate 412 , and the base bottom plate 412 is connected to the connecting plate 441 through the connecting claw 413 ;

[0030] The column 44 is placed in the column limiting frame 411 ; the column limiting frame 411 is placed on the base bottom plate 412 , and the inner wall of the column limiting frame 411 abuts against the outwardly expanded side of the column 44 .

[0031] Specifically, during construction, the base bottom plate 412 is first moved to a suitable position, and then the column 44 is erected on the connecting claw 413. The column is an I-beam structure with a plurality of connecting holes. The column 44 is provided with a connecting plate 441, and the connecting plate 441 and the connecting claw 413 are connected with high-strength bolts; after the connection, the first limit frame of the column and the second limit frame of the column are placed on the base bottom plate 412 and compacted with concrete, and the first limit frame of the column and the second limit frame of the column are connected with high-strength bolts to obtain the base 41; the above steps are repeated until the construction requirements are met.

[0032] In a specific embodiment, Figure 2 As shown, the connecting claw 413 is an embedded part and is arranged inside the base bottom plate 412 .

[0033] The purpose of using the base bottom plate 412 is to increase the weight of the base 41 to prevent the overall support structure from falling apart due to the heavy weight of the support, and also to provide a connection for the column 44; the connecting claw 413 is pre-buried inside the base bottom plate 412 to connect with the column 44, so that the column 44 and the base bottom plate 412 are connected more closely to ensure the stability of the overall support system.

[0034] In a specific embodiment, Figure 2 and Figure 3 As shown, the column limit frame 411 is divided into a first column limit frame and a second column limit frame, the first column limit frame and the second column limit frame are provided with connecting holes at the top and bottom, and the first column limit frame and the second column limit frame are connected by bolts and nuts through the connecting holes; fixed blocks are provided between the columns in the limit frame to fix the columns so that they do not bend inward.

[0035] The first column limit frame and the second column limit frame are added to the base bottom plate 412 to increase the stability of the column 44 and prevent the column 44 from being excessively bent or even broken due to excessive weight during construction.

[0036] like Figure 4 and Figure 5 As shown, in a specific embodiment, the connecting claw 413 is provided with a screw hole, and is connected to the connecting plate 441 by high-strength bolts.

[0037] The connecting claw 413 is provided with a screw hole, so that the column 44 and the base 41 can be connected more tightly using high-strength bolts.

[0038] In a specific embodiment, Figure 1 As shown, it also includes: a diagonal brace 43;

[0039] The diagonal braces 43 connect the adjacent columns 44 to form a triangular structure with the adjacent columns 44 .

[0040] In this embodiment, the diagonal brace 43 is connected at a 45-degree angle and is an angle steel structure. A connecting hole is provided on the diagonal brace 43 and a connecting hole is provided on the column 44. The diagonal brace 43 and the column 44 are fixed by high-strength bolts through the connecting holes.

[0041] In a specific embodiment, Figure 1 As shown, it also includes: a warning yellow light 46, a power supply 47, and an electric wire 48;

[0042] In this embodiment, the yellow warning light 46 is disposed at the connection between the crossbeam 45 and the adjacent column 44;

[0043] The electric wire 48 is divided into two, one end of each electric wire 48 is connected to the power source 47 , and the other end of the electric wire 48 is connected to the warning yellow light 46 .

[0044] The yellow warning light 46 is provided to warn drivers at night and to provide a safety guarantee for driving on the construction highway at night.

[0045] After fixing the base 41, connect the adjacent columns 44 according to actual requirements, use the crossbeam 45 to connect the middle of the adjacent columns 44, and fix them with high-strength bolts, then connect the diagonal brace 43 between the two adjacent columns 44 at a 45-degree angle and fix them with high-strength bolts. Finally, use a crane to transport the top plate 41 to the column 44, and fix it with high-strength bolts through the small holes between the top plate 41 and the column 44. Set up warning yellow lights 46 on both sides of the crossbeam 45, and place a power supply 46 and wires 47 on the crossbeam 45 for power supply, and obtain the overall structure. Repeat the above steps until the construction requirements are met.

[0046] The utility model discloses a detachable temporary support device for an elevated bridge that crosses an existing line. During construction, the base plate 412 is first moved to a suitable position according to the design drawings, and then two columns 44 are placed on the connecting claws 413 through the connecting plates 441, and the screw holes on the columns 44 and the connecting claws 413 are respectively connected with high-strength bolts. After the connection is completed, a pair of column limit frames 411 are placed on the base plate 412, abutting against the outwardly expanded side of the column, the outwardly expanded side refers to the side of the column 44 that bends outward when subjected to gravity, and concrete is used for connection, and then a pair of column limit frames 411 are connected through the connecting holes on the column limit frames 411 with high-strength bolts to prevent the columns from bending outward, thereby obtaining a base 41. Repeat the above steps until the construction requirements are met. After the base 41 is fixed, the adjacent columns 44 are connected according to the actual requirements, and the middle part of the column 44 is connected with a crossbeam 45, and the crossbeam is provided with a connecting hole, which is fixed with high-strength bolts. Then, the diagonal brace 43 is connected between the two columns 44 at a 45-degree angle and fixed with high-strength bolts. Finally, the top plate 42 is lifted onto the column 44 by a crane. The top plate 42 is provided with connection holes on the four sides, and the top of the column 44 is provided with a connection plate, and the connection plate is provided with connection holes. High-strength bolts are passed through the connection holes between the top plate 42 and the column 44 for fixing. In order to serve as a warning at night, warning yellow lights 46 are respectively set up on both sides of the crossbeam 45, and power supplies 47 and wires 48 are placed for power supply, so as to obtain a support structure, and the above steps are repeated until the construction requirements are met.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A detachable temporary support device for an elevated bridge across an existing line, characterized in that: include: A base (41), a top plate (42), columns (44) and a crossbeam (45); A plurality of the upright posts (44) are erected on the base (41); the crossbeam (45) is disposed between adjacent upright posts (44); and the top plate (42) is placed on top of the plurality of upright posts (44); The upright column (44) comprises: a connecting plate (441); a plurality of upright columns (44) are arranged opposite to each other; The base (41) comprises: a column limiting frame (411), a base bottom plate (412) and a connecting claw (413); The connecting claw (413) is arranged on the base bottom plate (412), and the base bottom plate (412) and the connecting plate (441) are connected via the connecting claw (413); The column (44) is placed in the column limiting frame (411); the column limiting frame (411) is placed on the base bottom plate (412), and the inner wall of the column limiting frame (411) abuts against the outwardly expanded side of the column (44).

2. The detachable temporary support device for an elevated bridge across an existing line according to claim 1, characterized in that: The connecting claw (413) is an embedded part and is arranged inside the base bottom plate (412).

3. The detachable temporary support device for a viaduct across an existing line according to claim 1 is characterized in that: The column limiting frame (411) is divided into a first column limiting frame and a second column limiting frame, and the first column limiting frame and the second column limiting frame are both provided with connecting holes, and bolts connect the first column limiting frame and the second column limiting frame through the connecting holes.

4. The detachable temporary support device for a viaduct across an existing line according to claim 1 is characterized in that: The connecting claw (413) is provided with a screw hole and is connected to the connecting plate (441) via bolts.

5. The detachable temporary support device for a viaduct across an existing line according to claim 1, characterized in that: Also includes: diagonal brace (43); The diagonal brace (43) connects the adjacent columns (44) to form a triangular structure with the adjacent columns (44).

6. The detachable temporary support device for a viaduct across an existing line according to claim 1, characterized in that: Also includes: A yellow warning light (46); the yellow warning light (46) is arranged at the connection between the crossbeam (45) and the adjacent column (44).

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