CN210594968U

CN210594968U - Sliding device for hoisting truss

Info

Publication number: CN210594968U
Application number: CN201921532035.4U
Authority: CN
Inventors: 张恩茂; 马进姣; 陈倩; 沈志鸿; 陆辉; 张永智; 张佳明
Original assignee: China Construction Eighth Engineering Division Decoration Engineering Co Ltd
Current assignee: China Construction Eighth Engineering Division Decoration Engineering Co Ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-05-22
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a sliding device for hoisting a truss, which comprises a pair of guide rails (1), an electric tractor (2), a carrying support frame (3) and a steel truss (4); the pair of guide rails (1) are respectively arranged on concrete beams (6) at two sides of a building structure, electric tractors (2) are respectively arranged at two ends of the pair of guide rails (1), and the electric tractors (2) are connected with the carrying support frame (3) through guide chains and drive the carrying support frame (3) to slide along the pair of guide rails (1); the tops of the pair of carrying support frames (3) are respectively installed at two ends of the steel structure truss (4), and the bottoms of the pair of carrying support frames (3) are respectively provided with a pulley (31) and slide along the guide rail (1) through the pulley (31), so that the steel structure truss (4) slides to an installation position. The utility model discloses can accomplish the hoist and mount of truss under the limited condition in construction place, ensure the construction quality, improve the efficiency of construction.

Description

Sliding device for hoisting truss

Technical Field

The utility model relates to a truss lifting device especially relates to a truss is hoist and mount and is used slider.

Background

In the construction projects of schools and the like, large stadiums such as swimming halls and stadiums are constructed frequently, the span of the stadiums can reach dozens of meters during the construction of the stadiums, the number of trusses is large, the weight of each steel structure truss can reach 20 tons, the steel structure truss needs to be fixed on a structural beam of the stadium through manufacturing, and large hoisting equipment is mostly adopted in the prior construction technology to hoist the truss. However, the construction environment of places such as schools is limited, the construction site is narrow, large hoisting equipment cannot enter the construction site, conventional construction of large trusses is difficult to achieve, and the hoisting requirements of the trusses cannot be met by small cranes due to the limitation of arm length and bearing capacity.

Disclosure of Invention

An object of the utility model is to provide a displacement device is used in truss hoist and mount can accomplish the hoist and mount of truss under the limited condition in construction place, ensures the construction quality, improves the efficiency of construction.

The utility model discloses a realize like this:

a sliding device for hoisting a truss comprises a pair of guide rails, an electric tractor, a carrying support frame and a steel truss; the pair of guide rails are respectively arranged on concrete beams at two sides of the building structure, electric tractors are respectively arranged at two ends of the pair of guide rails, and the electric tractors are connected with the carrying support frame through guide chains and drive the carrying support frame to slide along the pair of guide rails; the top of a pair of carrying support frames is respectively arranged at two ends of the steel structure truss, and the bottom of the pair of carrying support frames is respectively provided with a pulley and slides along the guide rail through the pulley, so that the steel structure truss slides to the mounting position.

And two ends of the steel structure truss are respectively provided with a limiting slide block, and the limiting slide blocks are arranged along the axial direction of the guide rail.

And jacks are arranged at two ends of the limiting sliding block.

The guide rail in be equipped with limit baffle, limit baffle is located the both ends of guide rail.

The guide rail is a through long channel steel, and a pulley at the bottom of the carrying support frame is embedded in the through long channel steel.

The concrete beam on be equipped with the guide rail base, the both ends of guide rail base are fixed on the concrete beam through the mounting, the guide rail is installed on the guide rail base.

The utility model discloses can accomplish the hoist and mount of truss under the limited condition in construction field, solve the problem that large-scale hoisting equipment can't get into the construction site construction and small-size hoisting equipment can't satisfy the hoist and mount demand, ensure the construction quality, improve the efficiency of construction, be applicable to the narrow limited, the large-scale steel construction truss that tonnage and span are big in construction field and can't use large-scale hoisting equipment's truss hoist and mount. The utility model discloses construction operation is simple and convenient, and the installation of truss is dismantled simply, has shortened the time limit for a project, greatly reduced cost and potential safety hazard.

Drawings

Fig. 1 is a top view of the sliding device for hoisting the truss of the utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

FIG. 3 is a cross-sectional view B-B of FIG. 1;

FIG. 4 is a schematic view of a single steel truss constructed by adopting the sliding device for hoisting the truss;

fig. 5 is an adoption the utility model discloses the truss hoist and mount are with schematic diagram of displacement device construction steel structure truss.

In the figure, 1 guide rail, 11 limit baffle plates, 2 electric tractors, 3 carrying support frames, 31 pulleys, 4 steel structure trusses, 41 limit slide blocks, 42 jacks, 5 guide rail bases, 51 fixing pieces and 6 concrete beams.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1 to 3, a sliding device for lifting a truss comprises a pair of guide rails 1, an electric tractor 2, a carrying support frame 3 and a steel truss 4; the pair of guide rails 1 are respectively arranged on concrete beams 6 at two sides of a building structure, electric tractors 2 are respectively arranged at two ends of the pair of guide rails 1, and the electric tractors 2 are connected with the carrying support frame 3 through traction structures such as guide chains and drive the carrying support frame 3 to slide along the pair of guide rails 1; the tops of the pair of carrying support frames 3 are respectively installed at two ends of the steel structure truss 4, and the bottoms of the pair of carrying support frames 3 are respectively provided with pulleys 31 and slide along the guide rail 1 through the pulleys 31, so that the steel structure truss 4 slides to the installation position.

The two ends of the steel structure truss 4 are respectively provided with the limiting sliding blocks 41, and the limiting sliding blocks 41 are arranged along the axial direction of the guide rail 1, so that the steel structure truss 4 can be prevented from deviating in the sliding process.

Jacks 42 are mounted at two ends of the limiting sliding block 41, and after the steel structure truss 4 slides to a specified mounting position, one end of the steel structure truss 4 can be jacked up through the jacks 42 and placed on the embedded bolts, so that the steel structure truss 4 can be conveniently mounted in place.

The guide rail 1 in be equipped with limit baffle 11, limit baffle 11 is located the both ends of guide rail 1 for the sliding range of restriction steel structure truss 4, electric tractor 2 stop work when steel structure truss 4 slides to limit baffle 11 department.

Guide rail 1 be logical long channel-section steel, the pulley 31 embedding of transport support frame 3 bottom is in leading to long channel-section steel, ensures that steel construction truss 4 is through carrying support frame 3 along guide rail 1's axial slip and both ends synchronous not skew.

Concrete beam 6 on be equipped with guide rail base 5, the both ends of guide rail base 5 are passed through mounting 51 and are fixed on concrete beam 6, guide rail 1 installs on guide rail base 5, the stable installation of guide rail 1 of being convenient for. Preferably, the guide rail base 5 can be made of wood.

Referring to fig. 4 and 5, the specific method for installing the truss 5 according to the present invention is:

1. a through-length channel steel is respectively installed on concrete beams 6 on two sides of a building structure to serve as guide rails 1, so that a steel structure truss 4 can slide along the guide rails 1 through a carrying support frame 3 through pulleys 31, and in the attached drawing 4, the arrow direction is the sliding installation direction. Preferably, the guide rail 1 can adopt 18 channel steel, and the carrying support frame 3 can adopt a carrying small tank in the prior art.

2. Limiting sliding blocks 41 are arranged at two ends of the steel structure truss 4, so that deviation in the sliding process is prevented. Preferably, the limiting slider 41 may be a square tube with a length of 1m and a cross-sectional dimension of 200 × 16 mm.

3. 2 electric tractors 2 are arranged at the tail ends of the guide rails 1 for traction and sliding, and the steel structure truss 4 is ensured to slide to the installation position. Preferably, the electric tractor 2 may employ a prior art electric hoist.

In order to enable the steel structure truss 4 to slide synchronously all the time, a worker is respectively arranged at two sides of the steel structure truss 4 to dynamically observe the sliding movement deviation of the steel structure truss 4, and an interphone is used for being connected with a traction part to adjust the asynchronous problem of the sliding of the steel structure truss 4 at any time. And after each truss slips for 5 meters, the slippage is suspended, the axis deviation of the steel structure truss 4 is checked, the traction speed of the electric hoist is adjusted, and after the axis deviation of the steel structure truss 4 is not more than 10cm, the slippage is continued until the designated position is reached.

4. One end of the steel structure truss 4 is jacked up by a jack 42 at a designated position, and the steel structure truss 4 is placed on the embedded anchor bolt. Preferably, the jack 42 may be a 20 ton jack to ensure the jacking operation of the steel structure truss 4.

5. And (5) repeating the steps 1-4, and sequentially installing all the steel structure trusses 4 on the concrete beam 6 to finish construction.

The utility model discloses an overall structure needs to calculate through the atress analysis to the supporting customization of rationality prevents to slide the in-process hidden danger such as draw-in groove, tumbling.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a truss is displacement device for hoist and mount which characterized by: comprises a pair of guide rails (1), an electric tractor (2), a carrying support frame (3) and a steel structure truss (4); the pair of guide rails (1) are respectively arranged on concrete beams (6) at two sides of a building structure, electric tractors (2) are respectively arranged at two ends of the pair of guide rails (1), and the electric tractors (2) are connected with the carrying support frame (3) through guide chains and drive the carrying support frame (3) to slide along the pair of guide rails (1); the tops of the pair of carrying support frames (3) are respectively installed at two ends of the steel structure truss (4), and the bottoms of the pair of carrying support frames (3) are respectively provided with a pulley (31) and slide along the guide rail (1) through the pulley (31), so that the steel structure truss (4) slides to an installation position.

2. The slippage device for truss hoisting according to claim 1, wherein: and two ends of the steel structure truss (4) are respectively provided with a limiting sliding block (41), and the limiting sliding blocks (41) are axially arranged along the guide rail (1).

3. The slippage device for truss hoisting according to claim 2, wherein: and jacks (42) are respectively arranged at two ends of the limiting sliding block (41).

4. The slippage device for truss hoisting according to claim 1, wherein: the guide rail (1) is internally provided with a limit baffle (11), and the limit baffle (11) is positioned at two ends of the guide rail (1).

5. The slipping device for hoisting the truss according to claim 1 or 4, which is characterized in that: the guide rail (1) is a through long channel steel, and a pulley (31) at the bottom of the carrying support frame (3) is embedded in the through long channel steel.

6. The slippage device for truss hoisting according to claim 1, wherein: the concrete beam (6) on be equipped with guide rail base (5), the both ends of guide rail base (5) are fixed on concrete beam (6) through mounting (51), guide rail (1) are installed on guide rail base (5).