CN219137438U

CN219137438U - Cast-in-situ box girder support structure

Info

Publication number: CN219137438U
Application number: CN202320062544.5U
Authority: CN
Inventors: 孙蓬茁; 戴炜恒; 何侣; 毛鹏程; 张艳梅; 王能河
Original assignee: Hubei Road And Bridge Group Municipal Construction Engineering Co ltd
Current assignee: Hubei Road And Bridge Group Municipal Construction Engineering Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-06
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses a cast-in-situ box girder support structure, which comprises a support structure body, wherein the support structure body comprises a bearing assembly, the bearing assembly comprises a top plate and a bottom plate, the bottom of the top plate is provided with a reinforcing assembly, the reinforcing assembly comprises a vertical plate and a reinforcing plate, the bottom of the bottom plate is provided with a supporting assembly, the supporting assembly comprises a base and a support sleeve, the bottom of the bottom plate is provided with a multidirectional connecting assembly, the multidirectional connecting assembly comprises a rotating sleeve and a rotating shaft, the cast-in-situ box girder support structure can rapidly rotate and adjust four bidirectional screws according to the height and the inclination of a box girder, and then adjust the height, the inclination and the inclination direction of the top plate without personnel to carry out construction and disassembly work through a scaffold, so that the labor consumption is reduced, the working efficiency is improved, the connection firmness is improved by utilizing the bidirectional screws and the rotating sleeve when the box girder is supported in a bridging mode, and the cast-in-situ box girder support structure is suitable for supporting and using when the box girder is in-situ.

Description

Cast-in-situ box girder support structure

Technical Field

The utility model relates to the technical field of box girder support structure equipment, in particular to a cast-in-situ box girder support structure.

Background

When the bridge is built, some existing bridge lines are complex and difficult to install through modularization, box girder casting work is needed on site, when the casting work of the box girders is needed, precast slabs of the box girders are needed to be supported by using a support structure, the utility model patent with the patent application number of CN201821042277.0 discloses a cast-in-situ box girder support device, common bridge piers and integral cast-in-situ continuous girder bridge construction technology are adopted, the construction method is suitable for complex steep special terrains, the problems of small radius and large height of supports are solved, supports of upper and lower layers of box girders can be simultaneously used, efficiency and quality of construction tasks are improved, safety of the construction tasks are guaranteed, according to the technical scheme disclosed by the method, when the existing box girder support structure equipment is used, on one hand, flexible adjustment work is not needed according to the height and inclination of two ends of the box girders, on the other hand, the construction work of a base is needed to be carried out by using a support frame, construction and disassembly work is complex, work efficiency is not beneficial to be improved, on the other hand, when the length of the box girders is long, the construction method is needed, the box girders are needed to be supported by a bridge support mode, and the connection of a plurality of supports is needed, and firm connection is not needed, and the connection of the bolts are needed to be improved.

Therefore, how to design a cast-in-situ box girder support structure becomes the current problem to be solved.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a cast-in-situ box girder bracket structure so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a cast-in-place case roof beam supporting structure, includes the supporting structure body, the supporting structure body is including bearing the subassembly, bear the subassembly and include roof and bottom plate, the reinforcing component is installed to the bottom of roof, the reinforcing component includes riser and reinforcing plate, supporting component is installed to the bottom of bottom plate, supporting component includes base and brace, multidirectional coupling assembling is installed to the bottom of bottom plate, multidirectional coupling assembling includes change cover and pivot, upper and lower adjusting part is installed to the inboard of brace, upper and lower adjusting part includes hexagonal plate and bi-directional screw.

Further, the bottom plate is installed in the bottom of roof, the top of riser welds in the bottom of roof, the bottom of riser welds at the top of bottom plate.

Further, the riser symmetry is installed on the roof, the top welding of reinforcing plate is in the bottom of roof, the bottom welding of reinforcing plate is at the top of bottom plate, the reinforcing plate is in the inboard end to end connection of roof and bottom plate.

Furthermore, the vertical plates are provided with connecting ports, the connecting ports are arranged on the vertical plates at the two ends of the top plate, and the connecting ports are uniformly distributed on the vertical plates.

Further, the number of the bases is 2, the supporting sleeves are welded at the tops of the bases, and the supporting sleeves are symmetrically distributed at the tops of the bases.

Further, the top of the rotating sleeve is arranged at the bottom of the bottom plate through a rotating shaft, the rotating sleeve is positioned at the bottom of the vertical plate, and the distance between the rotating sleeve and the outer side of the bottom plate is equal to the distance between the rotating sleeve and the thickness of the hexagonal plate.

Further, hexagonal plate integrated into one piece is at the middle part of two-way screw rod, prop up cover and change the cover and establish the outside at the bottom and the top of two-way screw rod respectively.

Further, the inner sides of the rotating sleeve and the supporting sleeve are provided with internal threads, the top of the bidirectional screw is provided with external threads, and the internal threads are matched with the external threads.

The beneficial effects are that: 1. the cast-in-situ box girder support structure can quickly rotate and adjust four bidirectional screws according to the height and the inclination of the box girder, so that the height, the inclination and the inclination direction of the top plate can be effectively adjusted, people are not required to build and disassemble through a scaffold, the manpower consumption is reduced, and the working efficiency is improved.

2. The cast-in-situ box girder support structure can be used for rapidly connecting a plurality of support structures end to end when proper support ground does not exist at the bottom of a box girder, and is fixed at the top of a pier in a bridging mode so as to support the box girder, and meanwhile, the firmness of the support structure after connection is improved by using a bidirectional screw rod and a rotating sleeve, so that the safe support work of the box girder is ensured.

3. The cast-in-situ box girder bracket has reasonable structural design, is more efficient and convenient in use, and is suitable for supporting in the box girder on-site casting work.

Drawings

FIG. 1 is a schematic view of a cast-in-situ box girder support structure according to the present utility model;

FIG. 2 is a cross-sectional view of a cast-in-place box girder support structure according to the present utility model;

in the figure: 1. a top plate; 2. a bottom plate; 3. a riser; 4. a reinforcing plate; 5. a connection port; 6. a base; 7. a support sleeve; 8. a rotating sleeve; 9. a rotating shaft; 10. a hexagonal plate; 11. a bidirectional screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 2, the present utility model provides a technical solution: the utility model provides a cast-in-place case roof beam supporting structure, includes the supporting structure body, the supporting structure body includes the bearing assembly, the bearing assembly includes roof 1 and bottom plate 2, the reinforcing assembly is installed to the bottom of roof 1, the reinforcing assembly includes riser 3 and reinforcing plate 4, supporting assembly is installed to the bottom of bottom plate 2, supporting assembly includes base 6 and brace 7, multidirectional coupling assembling is installed to the bottom of bottom plate 2, multidirectional coupling assembling includes pivot 8 and pivot 9, upper and lower adjusting assembly is installed to the inboard of brace 7, upper and lower adjusting assembly includes hexagonal plate 10 and bi-directional screw 11, bottom plate 2 installs the bottom at roof 1, the top welding of riser 3 is in the bottom of roof 1, the bottom welding of riser 3 is at the top of bottom plate 2, the top welding of riser 3 is installed on roof 1, the top of reinforcing plate 4 is at the top of bottom plate 2, reinforcing plate 4 is at the inboard head-to-tail connection of roof 1 and bottom plate 2, can effectively utilize reinforcing plate 3 to carry out the reinforcement roof beam when the roof 1 is under construction and the control the roof 2 is realized, and the roof is under the control that the roof is greatly deformed because of the roof 1 is used to the roof is effectively avoided when using the reinforcing plate 3 to the roof 2 to the roof is under the pressure, the roof is under the control the circumstances.

In this embodiment, the riser 3 is provided with the connection ports 5, the connection ports 5 are disposed on the riser 3 at two ends of the top plate 1, the connection ports 5 are uniformly distributed on the riser 3, the number of the bases 6 is 2, the supporting sleeves 7 are welded at the top of the bases 6, the supporting sleeves 7 are symmetrically distributed at the top of the bases 6, the top ends of the rotating sleeves 8 are mounted at the bottom of the bottom plate 2 through the rotating shafts 9, the rotating sleeves 8 are disposed at the bottom of the riser 3, the length of the rotating sleeves 8 is equal to the distance between the rotating sleeves 8 and the outer sides of the bottom plate 2 after the thickness of the hexagonal plate 10, the hexagonal plate 10 is integrally formed in the middle of the bidirectional screw 11, the supporting sleeves 7 and the rotating sleeves 8 are respectively sleeved at the bottom ends and the outer sides of the top ends of the bidirectional screw 11, the inner sides of the rotating sleeves 8 and the supporting sleeves 7 are provided with internal threads, the top ends of the bidirectional screw 11 are provided with external threads, the internal thread is matched with the external thread, when in use, the four bidirectional screws 11 are rotated and adjusted according to the height and the inclination of the box girder, the distances between the four rotating sleeves 8 and the supporting sleeves 7 are adjusted, the heights of four corners of the top plate 1 are adjusted, the heights, the inclination and the inclination directions of the top plate 1 are effectively adjusted, people do not need to build and disassemble through a scaffold, labor consumption is reduced, working efficiency is improved, when proper supporting ground is not arranged at the bottom of the box girder, a plurality of bracket structures can be quickly connected end to end, when in connection, the bidirectional screws 11 are completely rotated out from the inner sides of the rotating sleeves 8 and the supporting sleeves 7, the rotating sleeves 8 are rotated to the outer sides of the bottom plate 2 through the rotating shafts 9, two ends of the bidirectional screws 11 are respectively screwed to the inner sides of the rotating sleeves 8 which are communicated with the two bracket structures, the double bidirectional screw rods 11 and the rotating sleeve 8 are used for connecting and supporting a support structure, connecting ports 5 on the adjacent support structures are connected and fixed through bolts, and the connecting ports are fixed at the top of a pier in a bridging mode, so that supporting work is carried out on a box girder, firmness of the support structure after connection is improved through the double bidirectional screw rods 11 and the rotating sleeve 8, and safe supporting work of the box girder is guaranteed.

When the cast-in-situ box girder support structure is used, the four bidirectional screw rods 11 are rotationally adjusted according to the height and the inclination of a box girder, the distances between the four rotating sleeves 8 and the supporting sleeves 7 are adjusted, the heights of four corners of the top plate 1 are adjusted, the height, the inclination and the inclination direction of the top plate 1 are effectively adjusted, people do not need to build and disassemble through a scaffold, labor consumption is reduced, work efficiency is improved, when the bottom of the box girder does not have proper supporting ground, a plurality of support structures can be quickly connected end to end, during connection, the bidirectional screw rods 11 are firstly rotated out of the inner sides of the rotating sleeves 8 and the supporting sleeves 7 completely, the rotating sleeves 8 are rotated to the outer sides of the bottom plate 2 through the rotating shafts 9, two ends of the bidirectional screw rods 11 are respectively screwed to the inner sides of the rotating sleeves 8 which are communicated with the two support structures, the bidirectional screw rods 11 and the rotating sleeves 8 are used as support structures for connection support, the adjacent support structures are connected and fixed through bolts, and the support structures are fixed at the tops of piers through bridging, so that the box girder can be supported by the box girder, and the work safety of the connection of the connecting holes is effectively guaranteed by utilizing the supporting structures of the rotating sleeves 8.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a cast-in-place case roof beam supporting structure, includes the supporting structure body, the supporting structure body is including bearing the subassembly, bear subassembly including roof (1) and bottom plate (2), the reinforcing assembly is installed to the bottom of roof (1), the reinforcing assembly includes riser (3) and reinforcing plate (4), the supporting assembly is installed to the bottom of bottom plate (2), the supporting assembly includes base (6) and brace (7), its characterized in that: the bottom of the bottom plate (2) is provided with a multidirectional connecting assembly, the multidirectional connecting assembly comprises a rotating sleeve (8) and a rotating shaft (9), an upper and lower adjusting assembly is arranged on the inner side of the supporting sleeve (7), and the upper and lower adjusting assembly comprises a hexagonal plate (10) and a bidirectional screw rod (11).

2. A cast-in-place box girder support structure according to claim 1, wherein: the bottom plate (2) is installed in the bottom of roof (1), the top of riser (3) welds in the bottom of roof (1), the bottom of riser (3) welds at the top of bottom plate (2).

3. A cast-in-place box girder support structure according to claim 2, wherein: the vertical plates (3) are symmetrically arranged on the top plate (1), the top ends of the reinforcing plates (4) are welded at the bottom of the top plate (1), the bottom ends of the reinforcing plates (4) are welded at the top of the bottom plate (2), and the reinforcing plates (4) are connected end to end on the inner sides of the top plate (1) and the bottom plate (2).

4. A cast-in-place box girder support structure according to claim 3, wherein: the connecting ports (5) are formed in the vertical plates (3), the connecting ports (5) are arranged on the vertical plates (3) at two ends of the top plate (1), and the connecting ports (5) are uniformly distributed on the vertical plates (3).

5. The cast-in-place box girder support structure of claim 4, wherein: the number of the bases (6) is 2, the supporting sleeves (7) are welded at the tops of the bases (6), and the supporting sleeves (7) are symmetrically distributed at the tops of the bases (6).

6. A cast-in-place box girder support structure according to claim 5, wherein: the top of change cover (8) is installed in the bottom of bottom plate (2) through pivot (9), change cover (8) and be located the bottom of riser (3), change the interval of the outside side of cover (8) and bottom plate (2) after the length of cover (8) and the thickness of hexagonal board (10).

7. The cast-in-place box girder support structure according to claim 6, wherein: the hexagonal plate (10) is integrally formed in the middle of the bidirectional screw rod (11), and the support sleeve (7) and the rotating sleeve (8) are respectively sleeved on the outer sides of the bottom end and the top end of the bidirectional screw rod (11).

8. A cast-in-place box girder support structure according to claim 7, wherein: the inner sides of the rotating sleeve (8) and the supporting sleeve (7) are provided with internal threads, the top of the bidirectional screw rod (11) is provided with external threads, and the internal threads are matched with the external threads.