Three-dimensional lifting frame capable of being quickly disassembled and assembled

Abstract

The utility model discloses a three-dimensional lifting frame capable of being rapidly disassembled and assembled. The three-dimensional lifting frame comprises a steel vertical rod, an upper horizontal rod, a lower horizontal rod and a cantilever frame. The upper horizontal rods and the lower horizontal rods are connected between the adjacent steel vertical rods, the upper horizontal rods are connected to the upper ends of the steel vertical rods, the lower horizontal rods are located below the upper horizontal rods, and the steel vertical rods, the upper horizontal rods and the lower horizontal rods are connected to form a three-dimensional frame structure. The cantilever frame is installed on one side of the frame structure and comprises a cantilever frame body structure fixedly connected with the steel vertical rod and a supporting rod connected between the cantilever frame body structure and the steel vertical rod. Opposite-pulling screws penetrating through each pair of steel vertical rods are arranged on each pair of steel vertical rods in the direction where the cantilever frame is arranged and located below the lower horizontal rods, and the ends of the opposite-pulling screws are locked through nuts. The hoisting frame is arranged to be of a three-dimensional structure, the out-of-plane rigidity and the in-plane rigidity of the hoisting frame are improved, lateral bending of the hoisting frame is avoided, and structural safety and construction quality are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure lifting, in particular to a three-dimensional lifting frame that can be quickly disassembled and assembled. Background Art

[0002] As a supporting and force-transmitting component for structural lifting, lifting frames often appear in the overall lifting construction of steel grids and steel trusses.

[0003] The existing Chinese invention patent application with application number 202211226638.8 discloses a lifting structure and method for controlling the synchronous lifting accuracy and safety of a truss. The lifting structure includes a lifting device, a horizontal displacement monitoring device, a vertical displacement monitoring device, a control system, and a steel truss. The lifting device is arranged above the designed position of the steel truss, and its output end is connected to the steel truss through a steel bracket. The horizontal displacement monitoring device is arranged on both sides of the vertical lifting line of the steel truss, and the steel truss is connected to the horizontal displacement monitoring device by rollers arranged at both ends of the lower chord of the steel truss. The vertical displacement monitoring device is arranged at the vertical projection point of the steel truss lifting point on the ground. The control system is communicatively connected to the horizontal displacement monitoring device and the vertical displacement monitoring device. The lifting device includes a lifting bracket, a hydraulic lifter, a steel strand, and a hydraulic pump source system. The lifting bracket is fixed above the designed position of the steel truss through a pre-assembled truss. The hydraulic lifter is installed on the lifting bracket. One end of the steel strand is connected to the hydraulic lifter, and the other end is fixed to the steel truss through a steel bracket. The hydraulic pump source system is connected to the hydraulic lifter.

[0004] The above-mentioned lifting frame adopts a thick plane structure, which is generally fixed to the structure by welding. It uses a large amount of steel and has insufficient out-of-plane stiffness, which easily causes the structure to bend outward from the plane, affecting structural safety and construction quality. It is also inconvenient to disassemble and assemble and is not easy to reuse. Utility Model Content

[0005] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled, has the advantages of simple structure, convenient processing and convenient operation, and can ensure construction safety and quality.

[0006] The technical problem to be solved is that the existing lifting frame generally adopts a bulky plane structure and is often welded to column embedded parts, which consumes a large amount of steel and cannot be reused.

[0007] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0008] The utility model discloses a three-dimensional lifting frame which can be quickly disassembled and assembled, comprising a steel vertical pole, an upper horizontal pole, a lower horizontal pole and a cantilever frame;

[0009] The upper horizontal rod and the lower horizontal rod are both connected between adjacent steel vertical rods, and the upper horizontal rod is connected to the upper end of the steel vertical rod, and the lower horizontal rod is located below the upper horizontal rod. The steel vertical rods, the upper horizontal rod and the lower horizontal rod are connected to form a three-dimensional frame structure;

[0010] The cantilever frame is installed on one side of the frame structure, and includes a cantilever frame structure fixedly connected to the steel upright pole and a support rod connected between the cantilever frame structure and the steel upright pole;

[0011] A tension screw rod passing through each pair of steel vertical poles is provided below the lower horizontal pole on each pair of steel vertical poles along the direction of setting the cantilever frame, and the ends of the tension screw rods are locked by nuts.

[0012] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, four steel vertical poles are arranged, and the four steel vertical poles are distributed in a rectangular shape. Upper horizontal poles are connected and fixed at the upper ends of the adjacent steel vertical poles, and lower horizontal poles are connected and fixed between the adjacent steel vertical poles below the upper horizontal poles.

[0013] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, the cantilever frame structure includes two parallel outer horizontal rods, one end of the outer horizontal rod is connected and fixed to the steel vertical rod at the corresponding position, and the other end is provided with a connecting rod between the two outer horizontal rods; the outer horizontal rods are connected and fixed with inner horizontal rods parallel to the connecting rods.

[0014] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, the outer horizontal rod is connected to the upper end of the steel vertical rod, and the elevation of the top surface thereof is consistent with the elevation of the top surface of the upper horizontal rod.

[0015] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, one end of the support rod is connected to the position where the inner horizontal rod is set on the outer horizontal rod, and the other end is connected to the position where the lower horizontal rod is set on the steel vertical rod.

[0016] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, the tension screw rods are arranged in two rows at intervals along the height direction of the steel vertical poles.

[0017] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, the nuts are double nuts.

[0018] The utility model provides a three-dimensional lifting frame that can be quickly disassembled and assembled. Furthermore, a steel sleeve is sleeved on the tension screw rod.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] This application improves the out-of-plane stiffness and in-plane stiffness of the lifting frame by setting the lifting frame as a three-dimensional structure, avoids the lateral bending of the lifting frame, and ensures structural safety and construction quality; in addition, the three-dimensional lifting frame structure can reduce the cross-sectional size of the components to a certain extent, solving the problem that the existing lifting frame adopts a bulky plane structure and consumes a large amount of steel; the lifting frame is connected and fixed to the concrete column by tension screws, which is easy to install and disassemble, and facilitates the reuse of the lifting frame.

[0021] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 This is an exploded view of the tension screw and steel casing of the utility model.

[0024] Reference numerals:

[0025] 1. Steel vertical pole; 2. Upper horizontal pole; 3. Lower horizontal pole; 4. Outer horizontal pole; 5. Connecting pole; 6. Inner horizontal pole; 7. Support pole; 8. Tension screw; 9. Concrete column; 10. Nut; 11. Steel casing. DETAILED DESCRIPTION

[0026] like Figure 1-Figure 2 As shown, the utility model discloses a three-dimensional lifting frame that can be quickly disassembled and assembled, including steel vertical poles 1. Four steel vertical poles 1 are arranged and distributed in a rectangular shape. Upper horizontal poles 2 are connected and fixed at the upper ends of adjacent steel vertical poles 1, and lower horizontal poles 3 are connected and fixed between adjacent steel vertical poles 1 below the upper horizontal poles 2. The steel vertical poles 1, the upper horizontal poles 2 and the lower horizontal poles 3 are connected to form a three-dimensional frame structure.

[0027] A cantilever frame is provided on one side of the frame structure, and the cantilever frame includes two parallel outer horizontal bars 4, one end of the outer horizontal bar 4 is connected and fixed to the steel vertical bar 1 at the corresponding position, and the other end is provided with a connecting rod 5 between the two outer horizontal bars 4, the outer horizontal bar 4 is connected to the upper end of the steel vertical bar 1, and the top surface elevation of the outer horizontal bar 4 is consistent with the top surface elevation of the upper horizontal bar 2; the outer horizontal bars 4, the upper horizontal bar 2 and the connecting rod 5 form a rectangular cantilever frame structure; the outer horizontal bars 4 are connected and fixed with inner horizontal bars 6 parallel to the connecting rod 5, and the outer horizontal bars 4 are connected with a support rod 7 between the steel vertical bar 1 to which it is connected, and one end of the support rod 7 is connected to the inner horizontal bar 6 set on the outer horizontal bar 4, and the other end is connected to the lower horizontal bar 3 set on the steel vertical bar 1, thereby ensuring the stability of the frame.

[0028] Each pair of steel uprights 1 along the direction of the cantilever frame is provided with a tension screw 8, which is used to pass through the concrete column 9 to fix the lifting frame to the concrete column 9. The tension screw 8 is arranged in two rows at intervals along the height direction of the steel uprights 1, and a double nut 10 is installed at the end of the tension screw 8 to lock the tension screw 8.

[0029] In addition, a steel casing 11 is sleeved on the tension screw 8 , and the steel casing 11 is used to be pre-buried in the concrete column 9 for the subsequent tension screw 8 to pass through the concrete column 9 .

[0030] During installation, the steel upright 1 at the lower end of the lifting frame is clamped on the concrete column 9, and then the tension screw 8 is passed through the steel upright 1 and the concrete column 9, and the tension screw 8 is locked by the double nut 10.

[0031] The present application improves the out-of-plane stiffness and in-plane stiffness of the lifting frame by setting the lifting frame as a three-dimensional structure, avoids the lateral bending of the lifting frame, and ensures structural safety and construction quality; in addition, the three-dimensional lifting frame structure can reduce the cross-sectional size of the component to a certain extent, solving the problem that the existing lifting frame adopts a bulky plane structure and consumes a large amount of steel; the lifting frame is connected and fixed to the concrete column 9 by a tension screw 8, which is easy to install and disassemble, and facilitates the reuse of the lifting frame.

[0032] The installation steps are as follows:

[0033] Step 1: When tying the steel bars of the concrete column 9 , pre-embed four steel casings 11 and pour concrete for the concrete column 9 .

[0034] Step 2: Install the lifting frame to the specified position and height so that the lower end of the steel pole 1 is clamped on the outside of the concrete column 9.

[0035] Step 3: Insert the tension screw 8 and tighten the double nut 10.

[0036] Step 4: Install the through-type jack and lifting wire rope.

[0037] Step 5: Install multiple sets of lifting frames to lift the steel structure as a whole.

[0038] The embodiments described above are merely descriptions of preferred implementation methods of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. A three-dimensional lifting frame that can be quickly disassembled and assembled, characterized by: It comprises a steel vertical pole (1), an upper horizontal pole (2), a lower horizontal pole (3) and a cantilever frame; The upper horizontal rod (2) and the lower horizontal rod (3) are both connected between adjacent steel vertical rods (1), and the upper horizontal rod (2) is connected to the upper end of the steel vertical rod (1), and the lower horizontal rod (3) is located below the upper horizontal rod (2). The steel vertical rods (1), the upper horizontal rod (2) and the lower horizontal rod (3) are connected to form a three-dimensional frame structure; The cantilever frame is installed on one side of the frame structure, and comprises a cantilever frame structure fixedly connected to the steel upright pole (1) and a support rod (7) connected between the cantilever frame structure and the steel upright pole (1); A tension screw rod (8) passing through each pair of steel vertical poles (1) is provided below the lower horizontal pole (3) on each pair of steel vertical poles (1) along the direction of the cantilever frame, and the ends of the tension screw rod (8) are locked by nuts (10).

2. The quickly detachable three-dimensional lifting frame according to claim 1, characterized in that: Four steel vertical poles (1) are provided, and the four steel vertical poles (1) are distributed in a rectangular shape. Upper horizontal poles (2) are connected and fixed at the upper ends of the steel vertical poles (1) between adjacent steel vertical poles (1), and lower horizontal poles (3) are connected and fixed between adjacent steel vertical poles (1) below the upper horizontal poles (2).

3. The quickly detachable three-dimensional lifting frame according to claim 1, characterized in that: The cantilever frame structure comprises two parallel outer horizontal bars (4), one end of the outer horizontal bar (4) is connected and fixed to a steel vertical bar (1) at a corresponding position, and the other end of the outer horizontal bar (4) is provided with a connecting bar (5) between the two outer horizontal bars (4); an inner horizontal bar (6) parallel to the connecting bar (5) is connected and fixed between the outer horizontal bars (4).

4. The quickly detachable three-dimensional lifting frame according to claim 3, characterized in that: The outer horizontal rod (4) is connected to the upper end of the steel vertical rod (1), and the elevation of its top surface is consistent with the elevation of the top surface of the upper horizontal rod (2).

5. The quickly detachable three-dimensional lifting frame according to claim 3, characterized in that: One end of the support rod (7) is connected to the location where the inner horizontal rod (6) is provided on the outer horizontal rod (4), and the other end is connected to the location where the lower horizontal rod (3) is provided on the steel vertical rod (1).

6. The quickly detachable three-dimensional lifting frame according to claim 1, characterized in that: The tension screw rods (8) are arranged in two rows at intervals along the height direction of the steel upright pole (1).

7. The quickly detachable three-dimensional lifting frame according to claim 1, characterized in that: The nut (10) is a double nut.

8. The quickly detachable three-dimensional lifting frame according to claim 1, characterized in that: The tension screw rod (8) is sleeved with a steel sleeve (11).

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