CN215593725U

CN215593725U - Temporary steel structure support for drag construction of lower-bearing type steel truss girder

Info

Publication number: CN215593725U
Application number: CN202122337425.XU
Authority: CN
Inventors: 张宝目; 张迅龙
Original assignee: Shenzhen Shenlian Steel Construction Group Co ltd
Current assignee: Shenzhen Shenlian Steel Construction Group Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-01-21
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a temporary steel structure support for the dragging construction of a lower-bearing steel truss girder, which comprises a base with a top part fixedly provided with a supporting column in the middle and a cavity arranged in the supporting column, wherein four side surfaces of the supporting column are provided with a rectangular through groove communicated with the cavity in the middle, four side surfaces of the supporting column are movably provided with a stabilizing component, a hydraulic telescopic rod is fixedly arranged in the cavity in the middle, the top end of a piston rod of the hydraulic telescopic rod is fixedly provided with a supporting component, the stabilizing component comprises a hinge seat II fixedly connected with the supporting component and a hinge seat I arranged on one side of the base, the supporting component comprises a bearing plate fixedly connected with the top part of the piston rod of the hydraulic telescopic rod and a supporting rod fixedly arranged in the center of the top part of the bearing plate, the temporary steel structure support for the dragging construction of the lower-bearing steel truss girder is reasonable in structure, and is convenient for improving the stability of supporting a main girder, and the adaptability of the supporting point position can be adjusted according to the height of the main beam, and the practicability is high.

Description

Temporary steel structure support for drag construction of lower-bearing type steel truss girder

Technical Field

The utility model belongs to the technical field of steel structure supports, and particularly relates to a temporary steel structure support for drag construction of a through type steel truss girder.

Background

The steel truss girder bridge is a structural form that a solid-web steel plate girder bridge is hollow according to a certain rule, and the structure is a stress mode of the girder as a whole, namely a structure mainly bearing bending moment and shearing force. The bridge consists of a brake connection system, a bridge floor, a support and a pier, and is divided into a simply supported steel truss bridge, a continuous steel truss bridge and a cantilever steel truss bridge according to different supporting modes of a main truss; the bridge is divided into a deck type steel truss girder bridge and a deck type steel truss girder bridge according to different bridge deck positions.

Present formula steel truss bridge of holding down need support the steelframe temporarily when dragging the construction and support the reinforcement to the girder to improve the security of construction, current support steelframe when using, can't provide better stability when carrying out temporary support to the girder, because the weight of girder is great, the atress point and the strong point of base keep on same vertical line during the support, this very easily emptys that just leads to the support in-process, increased the construction risk.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a temporary steel structure support for dragging construction of an underslung steel truss girder, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a temporary steel structure support for drag construction of a through-type steel truss girder comprises a base with a supporting column fixedly arranged in the middle of the top and a cavity arranged in the supporting column;

a rectangular through groove communicated with the cavity is formed in the middle of each of the four side faces of the supporting column, stabilizing assemblies are movably mounted on the four side faces of the supporting column, a hydraulic telescopic rod is fixedly mounted in the middle of the cavity, and a supporting assembly is fixedly mounted at the top end of a piston rod of the hydraulic telescopic rod;

the stabilizing assembly comprises a hinge seat II fixedly connected to the supporting assembly and a hinge seat I arranged on one side of the base, and a supporting rod is movably arranged between the hinge seat I and the hinge seat II.

Preferably, the supporting component comprises a bearing plate fixedly connected to the top of the piston rod of the hydraulic telescopic rod and a supporting rod fixedly installed at the center of the top of the bearing plate, and the top end of the supporting rod is fixedly connected with a bottom plate.

Preferably, the upper end face of the bottom plate is symmetrically provided with two connecting lugs, a roller is fixedly arranged between the two connecting lugs, a U-shaped rotating block is rotatably arranged on the outer edge face of the roller, and the top of the U-shaped rotating block is fixedly connected with a supporting plate.

Preferably, the bottom of the outer edge surface of the supporting rod is provided with four supporting ribs with the bottoms fixedly connected to the bearing plate in an annular array, and one side of the connecting lug is provided with a limiting bolt which can be screwed into the U-shaped rotating block in a spiral mode and can limit and fix the U-shaped rotating block.

Preferably, the second hinge seat is fixedly connected to the bearing plate, extension plates are respectively constructed at the bottoms of the two sides of the first hinge seat, and fixing bolts for fixing the first hinge seat are arranged in the extension plates.

Preferably, the upper end face of base is the rectangle array and installs a plurality of nuts, and is a plurality of the bottom of nut all is constructed the double-screw bolt that can pass the base by the spiral, and the bottom of a plurality of nuts all the butt has the spring of cover on locating the double-screw bolt outer fringe face.

The utility model has the technical effects and advantages that: the temporary steel structure support for the dragging construction of the through-type steel truss girder benefits from the arrangement of the stabilizing components, when the main girder is temporarily supported, the supporting components are pressed under the action of gravity of the main girder, and then the pressure is dispersed through the four stabilizing components and five point positions of the base, so that the stable support of the main girder is achieved, the stability of the support of the main girder can be improved, the support is not easy to topple over, and the construction risk is reduced;

benefit from hydraulic telescoping rod and supporting component's setting, through starting hydraulic telescoping rod, make hydraulic telescoping rod's piston rod stretch out, and promote supporting component and rise, can realize the regulation to girder support height, and through the setting of U-shaped commentaries on classics piece and roller bearing, can realize the slight regulation to girder support angle, can make stabilizing component's support point location change when supporting component rises, can carry out adaptability regulation to the support point location according to supporting height, realize the stable support under the multiple height, therefore, the clothes hanger is strong in practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a support assembly of the present invention;

FIG. 3 is a schematic structural view of a stabilizing assembly of the present invention.

In the figure: 1. a base; 2. a support pillar; 3. a rectangular through groove; 4. a hydraulic telescopic rod; 5. a support assembly; 501. a bearing plate; 502. a support bar; 503. a support rib; 504. a base plate; 505. connecting lugs; 506. a support plate; 507. a limit bolt; 6. a stabilizing assembly; 601. a first hinge seat; 602. an extension plate; 603. fixing the bolt; 604. a second hinge seat; 605. a strut; 7. a nut; 8. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to facilitate the improvement of the stability of the main girder support, as shown in fig. 1 and 3, the temporary steel structural support for the drag construction of the lower-bearing steel truss girder comprises a base 1 with a support pillar 2 fixedly installed at the center of the top and a cavity formed in the support pillar 2, four sides of the support pillar 2 are provided with a rectangular through groove 3 communicated with the cavity at the center, four sides of the support pillar 2 are movably provided with stabilizing components 6, a hydraulic telescopic rod 4 is fixedly installed in the cavity at the center, a support component 5 is fixedly installed at the top end of a piston rod of the hydraulic telescopic rod 4, each stabilizing component 6 comprises a hinge seat II 604 fixedly connected to the support component 5 and a hinge seat I601 arranged at one side of the base 1, a round shaft is fixedly installed in the hinge seat II 604, a rotating shaft is fixedly installed in the hinge seat I601, a support rod 605 is movably installed between the hinge seat I601 and the hinge seat II 604, two ends of the support rod 605 are provided with hole grooves for installing the round shaft and the rotating shaft, and branch 605 is provided with the ball bearing of fixed mounting in the hole inslot with the junction of circle axle and pivot, benefits from stabilizing assembly 6's setting, when supporting the girder temporarily, exerts pressure to supporting component 5 under the action of gravity of girder, and then disperses pressure through four stabilizing assembly 6 and five positions of base 1, and then reaches the stable support to the girder, can promote the stability that the girder supported, and difficult emergence is emptyd, has reduced the construction risk.

In order to facilitate adjustment of the supporting height and angle of the main beam, as shown in fig. 1 and fig. 2, the supporting assembly 5 includes a bearing plate 501 fixedly connected to the top of the piston rod of the hydraulic telescopic rod 4 and a supporting rod 502 fixedly installed at the center of the top of the bearing plate 501, a bottom plate 504 is fixedly connected to the top end of the supporting rod 502, two engaging lugs 505 are symmetrically configured on the upper end surface of the bottom plate 504, a roller is fixedly installed between the two engaging lugs 505, a U-shaped rotating block is rotatably installed on the outer edge surface of the roller, a supporting plate 506 is fixedly connected to the top of the U-shaped rotating block, four supporting ribs 503 are configured in an annular array at the bottom of the outer edge surface of the supporting rod 502, and a limiting bolt 507 is disposed on one side of the engaging lug 505 and can be screwed into the U-shaped rotating block and limit and fix the U-shaped rotating block.

In order to facilitate the adaptive adjustment of the supporting point position according to the height of the main beam, as shown in fig. 1-3, a second hinge base 604 is fixedly connected to the bearing plate 501, extension plates 602 are respectively constructed at the bottoms of the two sides of the first hinge base 601, a fixing bolt 603 for fixing the position of the first hinge base 601 is arranged in the extension plate 602, thanks to the arrangement of the hydraulic telescopic rod 4 and the supporting component 5, the piston rod of the hydraulic telescopic rod 4 is extended by starting the hydraulic telescopic rod 4, and the supporting component 5 is pushed to ascend, so that the supporting height of the main beam can be adjusted, the fine adjustment of the supporting angle of the main beam can be realized by the arrangement of the U-shaped rotating block and the rolling shaft, the supporting point position of the stabilizing component 6 can be changed when the supporting component 5 ascends, the supporting point position can be adaptively adjusted according to the supporting height, so as to realize the stable support at various heights, the practicability is strong.

In order to fix the position of the base 1, as shown in fig. 1, a plurality of nuts 7 are installed on the upper end surface of the base 1 in a rectangular array, studs capable of passing through the base 1 in a threaded manner are constructed at the bottoms of the plurality of nuts 7, and springs 8 sleeved on the outer edge surfaces of the studs are abutted to the bottoms of the plurality of nuts 7.

The working principle is as follows: when the temporary steel structure support for dragging construction of the lower bearing type steel truss girder is used, the screw cap 7 can be screwed to enable the stud to be screwed into the ground, the fixed installation of the base 1 is realized, the spring 8 is stressed and deformed in the screwing process, the meshing strength of the stud, the base 1 and the ground is improved under the elastic force action of the spring 8, the piston rod of the hydraulic telescopic rod 4 is extended out by starting the hydraulic telescopic rod 4 to push the support component 5 to ascend, the adjustment of the support height of the girder can be realized, the fine adjustment of the support angle of the girder can be realized through the arrangement of the U-shaped rotating block and the rolling shaft, in the process of supporting the girder, the support component 5 is pressed under the gravity action of the girder, the pressure is dispersed through the four stabilizing components 6 and the five point positions of the base 1, the stable support of the girder is further reached, the support point position of the stabilizing component 6 is changed when the support component 5 ascends, can carry out the adaptability according to the support height to the support point location and adjust, realize the stable support under the multiple height, this down hold interim steel structural support of construction of formula steel longeron, it is rational in infrastructure, be convenient for promote the stability of supporting the girder, and can carry out the adaptability according to the height of girder to the support point location and adjust, the practicality is strong.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A temporary steel structure support for drag construction of a through-type steel truss girder comprises a base (1) and a cavity, wherein a support column (2) is fixedly arranged in the middle of the top of the base (1), and the cavity is formed in the support column (2);

the method is characterized in that: a rectangular through groove (3) communicated with the cavity is formed in the middle of each of four side faces of the supporting column (2), stabilizing assemblies (6) are movably mounted on the four side faces of the supporting column (2), a hydraulic telescopic rod (4) is fixedly mounted in the middle of the cavity, and a supporting assembly (5) is fixedly mounted at the top end of a piston rod of the hydraulic telescopic rod (4);

the stabilizing assembly (6) comprises a second hinged seat (604) fixedly connected to the supporting assembly (5) and a first hinged seat (601) arranged on one side of the base (1), and a supporting rod (605) is movably arranged between the first hinged seat (601) and the second hinged seat (604).

2. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 1, wherein: the supporting component (5) comprises a bearing plate (501) fixedly connected to the top of the piston rod of the hydraulic telescopic rod (4) and a supporting rod (502) fixedly installed at the center of the top of the bearing plate (501), and the top end of the supporting rod (502) is fixedly connected with a bottom plate (504).

3. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 2, wherein: the up end symmetry of bottom plate (504) constructs has two engaging lug (505), two fixed mounting has the roller bearing between engaging lug (505), and rotatable the installing of U-shaped commentaries on classics piece on the outer fringe face of roller bearing, the top fixedly connected with backup pad (506) of U-shaped commentaries on classics piece.

4. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 3, wherein: the bottom of the outer edge surface of the supporting rod (502) is provided with four supporting ribs (503) with the bottoms fixedly connected to the bearing plate (501) in an annular array, and one side of the connecting lug (505) is provided with a limiting bolt (507) which can be screwed into the U-shaped rotating block in a spiral mode and limits and fixes the U-shaped rotating block.

5. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 1, wherein: the second hinged seat (604) is fixedly connected to the bearing plate (501), extension plates (602) are constructed at the bottoms of the two sides of the first hinged seat (601), and fixing bolts (603) used for fixing the position of the first hinged seat (601) are arranged in the extension plates (602).

6. The temporary steel structural support for the drag construction of the through type steel truss girder according to claim 1, wherein: a plurality of nuts (7) are installed to the upper end face of base (1) rectangular array, and are a plurality of but the bottom of nut (7) all is constructed the double-screw bolt that the spiral passed base (1), and the equal butt in bottom of a plurality of nuts (7) is equipped with spring (8) of cover on locating the double-screw bolt outer fringe face.