CN211689947U - Lifting beam and beam moving integrated support mechanism - Google Patents

Abstract

The utility model provides a beam-lifting and beam-moving integrated support mechanism, which includes a beam section lifting system, a main truss, a main truss traction system, a steel pipe column support and a beam storage support. The beam section lifting system and the main truss pass through the distribution beam connection, both sides of the main truss are provided with steel pipe column brackets, the main truss is connected with the steel pipe column bracket through the main truss traction system, and one end of the beam storage bracket is located below the steel pipe column bracket; the beam section The lower end of the hoisting system is connected with a beam segment. The middle beam section lifting system of the utility model is installed on the main truss, the main truss acts on the steel pipe column foundation through the steel pipe column brackets on both sides, and after the beam section is lifted in place, the main truss traction system is used to pull the beam section to the designated position . The safety of moving the beam is increased by the main truss traction system, and the mechanism can realize the integrated construction of lifting the beam and moving the beam.

Description

Integrated support mechanism for lifting beam and moving beam

technical field

The utility model relates to the field of bridge beam section lifting and sliding, in particular to a beam-lifting and beam-moving integrated support mechanism.

Background technique

With the rapid development of bridge construction in my country, the erection of bridge superstructure is greatly affected by geographical location and terrain conditions. In the process of bridge girder section closing, how to achieve the erection and installation of large tonnage girder sections has become an urgent problem to be solved.

In the past, when the beam section was lifted, equipment such as a beam lifting machine was mainly used to lift the beam section. The lifting equipment had a complex structure, high manufacturing cost, and was not easy to install and disassemble. In addition, the conventional beam lifting equipment can only adjust the movement of the beam segment in a small range, which cannot meet the requirements of precise control of the beam segment in place.

Utility model content

In order to overcome the problems that the existing beam section lifting device is complex, high cost and difficult to disassemble, the utility model provides an integrated support mechanism for beam lifting and beam shifting, which is stable in structure, low in manufacturing cost and easy to install and disassemble. The integrated support mechanism provided by the utility model can complete the lifting and sliding of the beam section safely and stably, realize the integrated construction of lifting and moving the beam, effectively reduce the construction risk, and ensure the on-site construction efficiency of the large-tonnage beam section.

The technical scheme adopted by the utility model is:

The beam-lifting and beam-moving integrated support mechanism includes a beam section lifting system, a main truss, a main truss traction system, a steel pipe column bracket and a beam storage bracket. The beam section lifting system is connected with the main truss through the distribution beam, and the main truss Both sides of the truss are provided with steel pipe column brackets, the main truss is connected with the steel pipe column bracket through the main truss traction system, one end of the beam storage bracket is located below the steel pipe column bracket; the lower end of the beam section lifting system is connected with a beam part.

The beam section lifting system is composed of four hydraulic continuous jacks and supporting guide frames, reels and slings. The hydraulic continuous jacks are arranged on the distribution beam, and the hydraulic continuous jacks are connected with the guide frame. , the guide frame is connected with the reel; the sling is arranged at the lower end of the hydraulic continuous jack and connected with the beam section.

There are four distribution beams, which are evenly distributed on the main truss.

The main truss traction system includes a reaction force seat, a hollow jack, a main truss connection device and a finishing rebar, the main truss traction system is connected to the main truss through the main truss connection device, and the reaction force seat is connected to the steel pipe. The transverse load-bearing beams of the column brackets are connected, the finishing threaded steel is connected with the main girder connecting device, and the hollow jack is arranged at one end of the reaction force seat, and is connected with the finishing rolling threaded steel arranged at the other end of the reaction force seat. .

The steel pipe column support includes a concrete expansion foundation, a steel pipe column, a parallel connection, a diagonal bracing, a longitudinal load-bearing beam and a transverse load-bearing beam, and the longitudinal load-bearing beam and the transverse load-bearing beam are vertically arranged, and the longitudinal load-bearing beam and the concrete expansion foundation are between. The steel pipe columns are connected by horizontal joints and diagonal braces.

The steel pipe uprights are made of φ630×8mm steel pipes, the flat joints are made of φ426×6mm steel pipes, and the diagonal braces are made of 2I25a I-shaped steel.

The beneficial effects of the present utility model are:

The utility model lifts the beam section through the beam section lifting system, and slides the beam section into place by driving the beam section to move through the main truss traction system, thereby providing an integrated support mechanism for lifting the beam and moving the beam, which is suitable for large tonnage. The beam section lifting has the advantages of stable structure, low manufacturing cost, and easy installation and disassembly. The beam shifting through the main truss traction system increases the safety of the beam shifting. At the same time, the mechanism can realize the integrated construction of beam lifting and beam shifting, providing a beam lifting system. , Moving beam construction method.

Further description will be given below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is the overall schematic diagram of the present invention.

Figure 2 is a front view of the present invention.

FIG. 3 is a plan layout view of the present utility model.

Figure 4 is a side layout view of the present invention.

FIG. 5 is a schematic diagram of the beam section lifting system of the present invention.

6 is a schematic diagram of the main truss traction system of the present invention.

In the figure, the reference signs are: 1, beam section lifting system; 2, main truss; 3, main truss traction system; 4, steel pipe column support; 5, beam storage support; 6, beam section; 7, hydraulic continuous jack; 8. Guide frame; 9. Reel; 10. Sling; 11. Distribution beam; 12. Reaction seat; 13. Hollow jack; 14. Main truss connection device; Column; 17, flat joint; 18, diagonal brace; 19, longitudinal load-bearing beam; 20, transverse load-bearing beam; 21, concrete expansion foundation.

Detailed ways

Example 1:

In order to overcome the problems that the existing beam section lifting device is complex, high cost and difficult to disassemble, the present invention provides a beam-lifting and beam-moving integrated support mechanism as shown in Figs. Low cost, easy to install and dismantle. The integrated support mechanism provided by the utility model can complete the lifting and sliding of the beam section safely and stably, realize the integrated construction of lifting and moving the beam, effectively reduce the construction risk, and ensure the on-site construction efficiency of the large-tonnage beam section.

A beam-lifting and beam-moving integrated support mechanism includes a beam section lifting system 1, a main truss 2, a main truss traction system 3, a steel pipe column support 4 and a beam storage support 5, the beam section lifting system 1 and the main truss 2. Connected by the distribution beam 11, both sides of the main truss 2 are provided with steel pipe column brackets 4, the main truss 2 is connected with the steel pipe column bracket 4 through the main truss traction system 3, and one end of the beam storage bracket 5 is located at Below the steel pipe column support 4; the lower end of the beam section lifting system 1 is connected with a beam section 6.

The middle beam section lifting system 1 of the present invention is installed on the main truss 2. The main truss 2 acts on the steel pipe column foundation through the steel pipe column brackets 4 on both sides. After the beam section 6 is lifted in place, the main truss traction system 3 is used to lift the The beam section 6 is pulled to the beam storage bracket 5 . The safety of moving the beam is increased through the main truss traction system 3 moving the beam, and the integrated construction of lifting the beam and moving the beam is realized.

The utility model is suitable for the lifting of large-tonnage beam sections 6, and has the advantages of stable structure, low manufacturing cost, and easy installation and disassembly. The beam section 6 is moved by the main truss traction system 3, which increases the safety of beam shifting, and realizes the integration of beam lifting and beam shifting. chemical construction.

Example 2:

On the basis of Embodiment 1, in this embodiment, the beam section lifting system 1 is composed of four hydraulic continuous jacks 7 and matching guide frames 8, reels 9 and slings 10. The hydraulic The continuous jack 7 is arranged on the distribution beam 11, the hydraulic continuous jack 7 is connected with the guide frame 8, and the guide frame 8 is connected with the reel 9; The beam segment 6 is connected.

There are four distribution beams 11 , which are evenly distributed on the main truss 2 .

The beam section lifting system 1 described in the present utility model is composed of four S185 Dormon Lang hydraulic continuous jacks 7 and a matching guide frame 8 , a reel 9 and a sling 10 . In actual use, four 185t hydraulic jacks 7 and slings 10 correspond to the four temporary lifting points on the beam section 6, and the hoisting steel strand lifting lugs are hingedly connected to the beam section lifting lugs. The beam section 6 is lifted to the design height smoothly and uniformly.

The main truss traction system 3 includes a reaction force seat 12, a hollow jack 13, a main truss connecting device 14 and a finishing threaded steel 15. The main truss traction system 3 is connected to the main truss 2 through the main truss connecting device 14, The reaction force seat 12 is connected with the transverse load-bearing beam 20 of the steel pipe column support 4, the finish-rolled threaded steel 15 is connected with the main girder connecting device 14, and the hollow jack 13 is arranged at one end of the reaction force seat 12, And it is connected with the finish-rolled thread steel 15 arranged at the other end of the reaction force seat 12 .

The main truss traction system 3 provided by the present invention includes a reaction force seat 12 acting on the transverse load-bearing beam 20 , a hollow jack 13 for providing traction, a main truss connecting device 14 and a finishing threaded steel 15 . The finishing rolling rebar 15 is pulled by the hollow jack 13 to drive the main truss 2 and the beam section 6 to move horizontally to the beam storage bracket 5 as a whole.

The steel pipe column support 4 includes a concrete expansion foundation 21, a steel pipe column 16, a flat joint 17, a diagonal brace 18, a longitudinal bearing beam 19 and a transverse bearing beam 20, and the longitudinal bearing beam 19 and the transverse bearing beam 20 are arranged vertically, The longitudinal load-bearing beam 19 and the concrete enlarged foundation 21 are connected by the steel pipe uprights 16 , and the steel pipe uprights 16 are connected horizontally by the parallel connection 17 and the diagonal brace 18 .

The steel pipe column 16 is made of φ630×8mm steel pipe, the flat joint 17 is made of φ426×6mm steel pipe, and the diagonal brace 18 is made of 2I25a I-shaped steel.

The transverse load-bearing beams 20 and the longitudinal load-bearing beams 19 are all made of 2HN900×300 section steel. Cross braces are provided between the longitudinal load-bearing beams 19 and the steel pipe columns 16. The transverse load-bearing beams 20 and the longitudinal load-bearing beams 19 are welded together. way to connect.

The steel pipe column support 4 is higher than the beam storage support 5 .

In the utility model, the concrete expansion base 21 has a concrete label of C30, and two layers are arranged: horizontal and vertical steel meshes of "HRB335-25", and vertical steel bars of "HRB335-32" are used for connection. The steel pipe column 16 is made of steel pipe of φ630×8mm, and the horizontal connection is connected by a flat joint 17 and a diagonal brace 18. The flat joint 17 adopts the steel pipe of φ426×6mm, and the diagonal bracing 18 adopts the I-shaped steel of 2I25a. The transverse load-bearing beam 20 and the longitudinal load-bearing beam 19 are made of 2HN900×300 section steel. The longitudinal load-bearing beams 19 and the steel pipe uprights 16 are provided with cross braces for stiffening, and are connected by welding using cover plates, and the longitudinal load-bearing beams 19 and the transverse load-bearing beams 20 are connected by welding.

In actual use, the concrete expansion foundation 21 is arranged to ensure that the bearing capacity of the foundation meets the requirements. Before the concrete is poured, the embedded parts of the steel pipe column 16 are pre-embedded to ensure that the overall stability of the structure of the steel pipe column support 4 meets the requirements. A steel pipe flat joint 17 and an I-beam diagonal brace 18 are arranged between them to ensure the lateral stability of the support structure.

When the utility model is actually used, the beam section 6 reaches directly below the beam section lifting system 1, the beam section lifting system 1 is controlled to lift the beam section 6 to a position consistent with the design elevation, and the beam section 6 is lifted by the main truss traction system 3. It slides onto the beam storage bracket 5 to finally realize the lifting and sliding of the beam section, and the use of the integrated bracket mechanism effectively improves the construction efficiency of the beam section in place.

The safety of moving the beam is increased through the main truss traction system 3 moving the beam, and the integrated construction of lifting the beam and moving the beam is realized.

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, the present utility model can also be used without departing from the purpose of the present utility model. Various changes are made under the premise of this technology, which are all within the protection scope of this technology. The device structures and methods that are not described in detail in the present invention are all in the prior art, and will not be described one by one in the present invention.

Claims (6)

1. The integrated support mechanism for lifting and shifting the beam is characterized in that: it includes a beam section lifting system (1), a main truss (2), a main truss traction system (3), a steel pipe column support (4) and a beam storage support (5). ), the beam section lifting system (1) is connected with the main truss (2) through the distribution beam (11), and the main truss (2) is provided with steel pipe column brackets (4) on both sides. The truss (2) is connected to the steel pipe column support (4) through the main truss traction system (3), and one end of the beam storage support (5) is located below the steel pipe column support (4); the beam section lifting system (1) The lower end is connected with a beam segment (6). 2. The beam-lifting and beam-moving integrated support mechanism according to claim 1, characterized in that: the beam section lifting system (1) consists of four hydraulic continuous jacks (7) and matching guide frames (8), The reel (9) and the sling (10) are composed, the hydraulic continuous jack (7) is arranged on the distribution beam (11), and the hydraulic continuous jack (7) is connected with the guide frame (8), The guide frame (8) is connected with the reel (9); the sling (10) is arranged at the lower end of the hydraulic continuous jack (7) and connected with the beam section (6). 3. The beam-lifting and beam-moving integrated support mechanism according to claim 1, characterized in that: there are four distribution beams (11), which are evenly distributed on the main truss (2). 4. The beam-lifting and beam-moving integrated support mechanism according to claim 1, wherein the main truss traction system (3) comprises a reaction force seat (12), a hollow jack (13), and a main truss connection device (14) and finish-rolled rebar (15), the main truss traction system (3) is connected to the main truss (2) through the main truss connecting device (14), and the reaction force seat (12) is connected to the steel pipe column The transverse load-bearing beam (20) of the bracket (4) is connected, the finish-rolled threaded steel (15) is connected with the main girder connecting device (14), and the hollow jack (13) is arranged on the side of the reaction force seat (12). One end is connected with the finish-rolled threaded steel (15) provided at the other end of the reaction force seat (12). 5 . The beam-lifting and beam-moving integrated support mechanism according to claim 1 , wherein the steel pipe column support ( 4 ) comprises a concrete expansion foundation ( 21 ), a steel pipe column ( 16 ), and a parallel connection ( 17 ). 6 . , diagonal braces (18), longitudinal load-bearing beams (19) and transverse load-bearing beams (20), the longitudinal load-bearing beams (19) and transverse load-bearing beams (20) are vertically arranged, and the longitudinal load-bearing beams (19) and the concrete expansion foundation The steel pipe uprights (16) are connected between (21), and the horizontal connection between the steel pipe uprights (16) is via the parallel connection (17) and the diagonal brace (18). 6. The beam-lifting and beam-moving integrated support mechanism according to claim 5, characterized in that: the steel pipe column (16) adopts a steel pipe of φ630×8mm, and the flat joint (17) adopts a steel pipe of φ426×6mm. Steel pipe, the diagonal bracing (18) adopts 2I25a I-shaped steel.

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