Support structure and bridge construction system

Abstract

The utility model relates to the technical field of bridge construction, and provides a support structure and a bridge construction system.The support structure comprises a carrying support and an assembling support which are used for supporting steel trussed beams respectively; the movable chassis is arranged at the bottom of the carrying support and used for driving the carrying support to move to the buttresses, and the buttresses are used for supporting the carrying support. The connecting cross beam is detachably connected between the carrying support and the assembling support. The movable chassis and the carrying support are arranged, so that the steel truss girder carrying, assembling and storing construction processes can be achieved only through the carrying support, the functionality of the carrying support is increased, and the construction cost is reduced. The splicing support is adopted for auxiliary supporting in the steel truss girder splicing and storing process, the stability of the steel truss girder is effectively improved, the support is simple in structure and convenient to operate, and then the construction efficiency of the steel truss girder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technical field, specifically, a support structure and bridge construction system. BACKGROUND

[0002] Steel truss support plays a crucial role in modern construction and engineering projects. As a key component of the load-bearing structure, steel truss support not only provides stability and strength to the structure, but also undertakes the task of assembly and support during specific construction stages. Therefore, it is increasingly important to improve the functionality of steel truss support and enhance its efficiency during transportation, installation and storage.

[0003] The steel truss support in the prior art can only realize one or a combination of the other two functions of assembly, carrying or storage, resulting in low efficiency of the steel truss support, and the need for multiple equipment to realize the above three functions, increasing the cost of construction. UTILITY MODEL CONTENT

[0004] The problem solved by the utility model is how to reduce the construction cost of steel truss.

[0005] To solve the above problems, the utility model provides a support structure and bridge construction system.

[0006] In the first aspect, the utility model provides a support structure, which comprises a carrying support, an assembly support, a connecting cross beam, a moving chassis and a support pier.

[0007] The carrying support and the assembly support are respectively used to support the steel truss.

[0008] The moving chassis is arranged at the bottom of the carrying support and is used to drive the carrying support to move to the support pier, and the support pier is used to support the carrying support.

[0009] The connecting cross beam is detachably connected between the carrying support and the assembly support.

[0010] Optionally, the carrying support comprises a bottom distribution beam, a lattice column and a top distribution beam, two bottom distribution beams are arranged at both ends of the moving chassis, the lattice column is arranged on the bottom distribution beam, and the top distribution beam is arranged at the top of the lattice column and is used to contact the steel truss.

[0011] Optionally, the support pier is at least four, and each two support piers are respectively supported at both ends of the bottom distribution beam.

[0012] Optionally, the support pier is a cushion pier or a keel pier.

[0013] Optionally, the support structure further comprises a limiting mechanism, the limiting mechanism comprises a partition plate, the partition plate comprises a vertical plate and a horizontal plate connected perpendicularly to each other, the horizontal plate is arranged on the upper end surface of the top distribution beam, and the vertical plate is used for being inserted into a groove arranged at a corresponding position of the steel truss girder.

[0014] Optionally, the limiting mechanism further comprises a limiting block, two limiting blocks are detachably connected to the upper end surface of the top distribution beam, and an end surface of each limiting block towards the horizontal plate abuts against the horizontal plate.

[0015] Optionally, the limiting mechanism further comprises a rubber pad arranged between the horizontal plate and the top distribution beam.

[0016] Optionally, the sum of the height of the carrying support and the height of the buttress, and / or the sum of the height of the carrying support and the height of the moving base is greater than the height of the inclined web member of the steel truss girder.

[0017] Optionally, the height of the moving base is adjustable.

[0018] In the second aspect, the utility model provides a kind of bridge construction system, comprising the support structure as described above.

[0019] The beneficial effects of the support structure and the bridge construction system are as follows: the construction of the steel truss girder includes three construction processes of transportation, assembly and storage. Before the construction of the steel truss girder, a support pier is placed at an initial position (i.e. an initial position for placing the carrying support and the steel truss girder), and the support pier at the initial position is used for placing the carrying support to support the carrying support; a support pier is also placed at a target position (i.e. a target position for assembling and storing the steel truss girder). The transportation process of the steel truss girder is performed as follows: the steel truss girder is hoisted onto the carrying support, and it should be noted that the carrying support is usually located at a middle position of a section of the steel truss girder, the moving base is pre-installed at the bottom of the carrying support, the carrying support with the steel truss girder is moved to the transportation vehicle through the moving base and is transported to the target position; the assembly process of the steel truss girder is performed as follows: the carrying support with the steel truss girder is moved to the support pier at the target position through the moving base, the section of the carried steel truss girder corresponds to the section of the pre-stored steel truss girder, the assembly support is arranged at the cantilever of the steel truss girder to support the steel truss girder, and the assembly support and the carrying support are connected through the connecting beam to assist the assembly of the two steel truss girders; the storage process of the steel truss girder is performed as follows: the moving base can be disassembled for the carrying and assembly process of the next section of the steel truss girder, and the carrying support and the assembly support jointly support the steel truss girder to realize the stable storage of the steel truss girder. The moving base and the carrying support are arranged in the embodiment, so that the carrying, assembly and storage construction processes of the steel truss girder can be realized only through the carrying support, the functionality of the carrying support is increased, the repeated disassembly and assembly processes of the support in the construction process of the steel truss girder in the prior art are reduced, the service life of the construction support of the steel truss girder is increased, and the construction cost is reduced. Meanwhile, the assembly support is used for the auxiliary support in the assembly and storage processes of the steel truss girder, the stability of the steel truss girder is effectively increased, the support structure is simple, convenient to operate, and the construction efficiency of the steel truss girder is further increased. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the support structure assembly and storage construction structure of the embodiment of the utility model;

[0021] Figure 2 It is Figure 1 A-A sectional view in the middle;

[0022] Figure 3 It is Figure 1 B-B sectional view in the middle;

[0023] Figure 4 It is Figure 3 Structure schematic diagram of area C in the middle.

[0024] MARKS OF THE DRAWINGS:

[0025] 1-steel truss girder; 11-inclined web member;

[0026] 2 - carrying support; 21 - bottom distribution beam; 22 - lattice column; 23 - top distribution beam;

[0027] 3 - assembled support; 4 - connecting cross beam; 5 - movable chassis; 6 - buttress;

[0028] 7 - limiting mechanism; 71 - steel truss beam partition plate; 711 - vertical plate; 712 - horizontal plate; 72 - limiting block; 73 - rubber pad. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. Although some embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms, and should not be interpreted as being limited to the embodiments described herein, on the contrary, these embodiments are provided to make the present application more thorough and complete. It should be understood that the drawings and embodiments of the present application are only for illustrative purposes, and are not intended to limit the scope of protection of the present application.

[0030] The term "comprising" and its variants used herein are open-ended, i.e. "including but not limited to"; the term "based on" is "at least partially based on"; the term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments"; the term "optionally" means "optional embodiment". Related definitions of other terms will be given in the following description. It should be noted that the "first", "second", etc. concepts mentioned in the present application are only used to distinguish different devices, modules or units, and are not intended to limit the order or interdependence of the functions performed by these devices, modules or units.

[0031] It should be noted that the modification of "one" or "multiple" mentioned in the present application is illustrative and not limiting, and those skilled in the art should understand that, unless otherwise explicitly indicated in the context, it should be understood as "one or more".

[0032] In the related art, at least two supports are usually required to support the construction of the steel truss beam 1 during the transportation, storage and assembly of the steel truss beam 1. A large amount of manpower and material resources are required to install and disassemble the supports during each construction process of the steel truss beam 1, and the quality of the repeatedly installed and disassembled supports decreases, resulting in a large amount of support material loss and increased construction cost of the steel truss beam 1.

[0033] In view of the problems existing in the above-mentioned related art, the present embodiment provides a support structure and a bridge construction system.

[0034] As Figures 1 to 4As shown in the utility model embodiment provides a kind of support structure, including carrying support 2, assembling support 3, connecting crossbeam 4, mobile chassis 5 and support pier 6;

[0035] The carrying support 2 and the assembling support 3 are used for supporting the steel truss girder 1 respectively;

[0036] The mobile chassis 5 is arranged at the bottom of the carrying support 2, and is used for driving the carrying support 2 to move to the support pier 6, and the support pier 6 is used for supporting the carrying support 2;

[0037] The connecting crossbeam 4 is detachably connected between the carrying support 2 and the assembling support 3.

[0038] In the embodiment, the construction of the steel truss girder 1 includes three construction processes of transportation, assembling and storage. Before the construction of the steel truss girder 1, the support pier 6 is placed at the initial location (i.e. the initial position of the carrying support 2 and the steel truss girder 1), and the carrying support 2 is placed on the support pier 6 at the initial position to support the carrying support 2; the support pier 6 is also placed at the target position (i.e. the target position where the steel truss girder 1 needs to be assembled and stored). The transportation process of the steel truss girder 1 is performed: the steel truss girder 1 is hoisted onto the carrying support 2, and it should be noted that the carrying support 2 is usually located at the middle position of the section of the steel truss girder 1, the mobile chassis 5 is pre-installed at the bottom of the carrying support 2, and the carrying support 2 with the steel truss girder 1 placed thereon is moved to the transport vehicle by the mobile chassis 5 to be transported to the target position; the assembling process of the steel truss girder 1 is performed: the carrying support 2 with the steel truss girder 1 placed thereon is moved to the support pier 6 at the target position by the mobile chassis 5, so that the section of the carried steel truss girder 1 corresponds to the section of the steel truss girder 1 stored in advance, the assembling support 3 is arranged at the cantilever of the steel truss girder 1 to support the steel truss girder 1, and the assembling support 3 and the carrying support 2 are connected by the connecting crossbeam 4 to assist the two steel truss girders 1 to complete the assembling, wherein the structure of the assembling support 3 is as shown in Figure 1 and Figure 2 The structure of the carrying support 2 is as shown in Figure 1 and Figure 3 The storage process of the steel truss girder 1 is performed: the mobile chassis 5 can be disassembled for the carrying and assembling process of the next section of the steel truss girder 1, and the carrying support 2 and the assembling support 3 jointly support the steel truss girder 1 to realize the stable storage of the steel truss girder 1. The mobile chassis 5 and the carrying support 2 are arranged in the embodiment, so that the carrying, assembling and storage construction processes of the steel truss girder 1 can be realized only by the carrying support 2, the functionality of the carrying support 2 is increased, the repeated disassembly and assembly processes of the support in the construction process of the steel truss girder 1 in the prior art are reduced, the service life of the support for the construction of the steel truss girder 1 is increased, and the construction cost is reduced. At the same time, the assembling support 3 is used for auxiliary support in the assembling and storage processes of the steel truss girder 1, which effectively increases the stability of the steel truss girder 1, and the support structure of the utility model is simple and convenient to operate, thereby increasing the construction efficiency of the steel truss girder 1.

[0039] It should be noted that the middle part of the connecting cross beam 4 can also be connected with the inclined web member 11 of the steel truss 1, further supporting the steel truss 1 and ensuring its storage stability. The supporting pier 6 can be repeatedly used.

[0040] Alternatively, the carrying support 2 comprises a bottom distribution beam 21, a lattice column 22 and a top distribution beam 23, two bottom distribution beams 21 are arranged at the two ends of the mobile base 5, the lattice column 22 is arranged on the bottom distribution beam 21, and the top distribution beam 23 is arranged on the top of the lattice column 22 and used to contact the steel truss 1.

[0041] Specifically, the carrying support 2 comprises a bottom distribution beam 21, a lattice column 22 and a top distribution beam 23, the bottom distribution beam 21 is used to provide a support base for the lattice column 22, and the top distribution beam 23 is arranged on the lattice column 22 to hold the steel truss 1. In this embodiment, as shown in Figure 1 and Figure 3 , the bottom distribution beam 21 has two, which are arranged at intervals on the foundation, which can be the supporting pier 6 or the ground, etc., the lattice column 22 is arranged on the bottom distribution beam 21, and the top of the lattice column 21 is provided with two top distribution beams 23, wherein the length direction of the top distribution beam 23 is perpendicular to the length direction of the bottom distribution beam 21 and perpendicular to the length direction of the steel truss 1, so as to increase the supporting stability of the steel truss 1.

[0042] Alternatively, the supporting pier 6 is at least four, and each two supporting piers 6 are arranged at the two ends of the bottom distribution beam 21.

[0043] Specifically, as shown in Figure 1 , the supporting pier 6 is at least four, and each two supporting piers 6 are arranged at the two ends of the bottom distribution beam 21, so as to increase the supporting effect of the carrying support 2. Each two supporting piers 6 can also be arranged at the corresponding position of the lattice column 22.

[0044] Alternatively, the supporting pier 6 is a cushion pier or a keel pier, which has higher reusability compared with the concrete enlarged foundation commonly used in the prior art, so as to reduce the construction cost.

[0045] Alternatively, the support structure further comprises a limiting mechanism 7, the limiting mechanism 7 comprises a partition plate 71, the partition plate 71 comprises a vertical plate 711 and a horizontal plate 712 connected with each other perpendicularly, the horizontal plate 712 is arranged on the upper end face of the top distribution beam 23, and the vertical plate 711 is used to be inserted into the groove arranged at the corresponding position of the steel truss 1.

[0046] Specifically, during the carrying process of the steel truss beam 1, due to the bumping during the transportation process, the steel truss beam 1 may be collided and deformed during the carrying process, affecting the subsequent construction quality. Therefore, the baffle 71 structure of the limiting mechanism 7 is provided, as shown in Figure 3 and Figure 4 The baffle 71 includes a vertical plate 711 and a horizontal plate 712 arranged perpendicular to each other. The width of the horizontal plate 712 in the horizontal projection is the same as that of the top distribution beam 23, and the length thereof can be set according to the actual situation, and is usually the same as the width. The horizontal plate 712 is arranged on the top distribution beam 23. The size of the vertical plate 711 can be the same as or smaller than that of the horizontal plate 712, and can be set according to the actual situation. A groove larger than or equal to the size of the vertical plate 711 is formed at the position corresponding to the vertical plate 711 of the steel truss beam 1. During the installation of the steel truss beam 1, the vertical plate 711 is inserted into the groove of the steel truss beam 1, so as to limit the displacement of the steel truss beam 1 on the carrying support 2, avoid the collision and deformation of the steel truss beam 1 caused by the displacement, and ensure the integrity of the steel truss beam 1 during the carrying process.

[0047] Optionally, as shown in Figure 4 The limiting mechanism 7 further includes limiting blocks 72. Two limiting blocks 72 are detachably connected to the upper end surface of the top distribution beam 23, and the end surface of each limiting block 72 facing the horizontal plate 712 abuts against the horizontal plate 712, so as to limit the displacement of the horizontal plate 712 and further ensure the stability of the steel truss beam 1 during the carrying process.

[0048] Optionally, the limiting mechanism 7 further includes rubber pads 73 arranged between the horizontal plate 712 and the top distribution beam 23.

[0049] Specifically, as shown in Figure 4 The rubber pads 73 can reduce the friction loss between the horizontal plate 712 and the top distribution beam 23, and increase the service life of the carrying support 2.

[0050] Optionally, the sum of the heights of the carrying support 2 and the supporting pier 6, and / or the sum of the heights of the carrying support 2 and the moving base 5 is greater than the height of the inclined web member 11 of the steel truss beam 1.

[0051] Specifically, in order to prevent the inclined web member 11 of the steel truss beam 1 from colliding with the ground or the transportation device, it is necessary to ensure that the height of the carrying support 2 during the moving and / or storing and assembling process is always higher than the height of the inclined web member 11, that is, the sum of the heights of the carrying support 2 and the supporting pier 6, and / or the sum of the heights of the carrying support 2 and the moving base 5 is greater than the height of the inclined web member 11 of the steel truss beam 1, so that the lowest point of the inclined web member 11 is higher than the ground or the bottom surface of the transportation device, thereby preventing the bottom end of the inclined web member 11 from being abraded and the angle of the inclined web member 11 from being deformed during the storing, assembling and carrying process of the steel truss beam 1, and ensuring the construction quality of the steel truss beam 1.

[0052] Optionally, the height of the mobile chassis 5 is adjustable, before carrying the steel truss girder 1, the height of the mobile chassis 5 is lowered, so that the height of the support pier 6 is higher than the height of the mobile chassis 5, when moving to the bottom of the carrying support 2, the height of the mobile chassis 5 is appropriately raised, so that the height of the support pier 6 is slightly lower than the height of the mobile chassis 5, to replace the support pier 6 to support the carrying support 2 to move. And also can be adjusted according to different terrain height, increase the universality of the support structure of the embodiment.

[0053] The bridge construction system provided by the embodiment of the utility model, comprising the support structure as described above.

[0054] The beneficial effects of the bridge construction system of the embodiment relative to the prior art are the same as those of the support structure, which will not be repeated here.

[0055] Although the utility model discloses as above, the protection scope of the utility model is not limited to this only.The person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model, and these changes and modifications will all fall within the protection scope of the utility model.

Claims

1. A stent structure, characterized by, The support structure comprises a carrying support (2), an assembling support (3), a connecting beam (4), a moving base (5) and a supporting pier (6); The carrying support (2) and the assembling support (3) are respectively used for supporting the steel truss (1); The moving base (5) is arranged at the bottom of the carrying support (2) and is used for driving the carrying support (2) to move to the supporting pier (6), and the supporting pier (6) is used for supporting the carrying support (2); The connecting beam (4) is detachably connected between the carrying support (2) and the assembling support (3).

2. The stent structure of claim 1, wherein The carrying support (2) comprises a bottom distribution beam (21), a lattice column (22) and a top distribution beam (23), two bottom distribution beams (21) are arranged at two ends of the moving base (5) in a spaced manner, the lattice column (22) is arranged on the bottom distribution beam (21), and the top distribution beam (23) is arranged at the top of the lattice column (22) and is used for contacting the steel truss (1).

3. The stent structure of claim 2, wherein, The supporting pier (6) is at least four, and every two supporting piers (6) are respectively supported at two ends of the bottom distribution beam (21).

4. The stent structure of claim 2, wherein The supporting pier (6) is a cushion pier or a keel pier.

5. The stent structure of claim 2, wherein, The support structure further comprises a limiting mechanism (7), the limiting mechanism (7) comprises a partition plate (71), the partition plate (71) comprises a vertical plate (711) and a horizontal plate (712) which are connected to each other in a perpendicular manner, the horizontal plate (712) is arranged on the upper end surface of the top distribution beam (23), and the vertical plate (711) is used for being inserted into a groove arranged at a corresponding position of the steel truss (1).

6. The stent structure of claim 5, wherein, The limiting mechanism (7) further comprises a limiting block (72), two limiting blocks (72) are detachably connected to the upper end surface of the top distribution beam (23), and the end surface of each limiting block (72) facing the horizontal plate (712) abuts against the horizontal plate (712).

7. The stent structure of claim 5, wherein, The limiting mechanism (7) further comprises a rubber pad (73), and the rubber pad (73) is arranged between the horizontal plate (712) and the top distribution beam (23).

8. The stent structure of claim 2, wherein, The sum of the height of the carrying support (2) and the height of the supporting pier (6), and / or the sum of the height of the carrying support (2) and the height of the moving base (5) is greater than the height of the inclined web member (11) of the steel truss (1).

9. The stent structure of claim 1, wherein, The height of the moving base (5) is adjustable.

10. A bridge construction system, characterized in that The support structure comprises the carrying support (2), the assembling support (3), the connecting beam (4), the moving base (5) and the supporting pier (6).

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