Multi-curved-surface welded ball steel structure net rack

Abstract

The utility model relates to the technical field of welded ball steel structure net racks, in particular to a multi-curved-surface welded ball steel structure net rack. The net rack comprises a welding ball and a plurality of connecting rods, the connecting rods are welded to the welding ball to form the net rack, a protection assembly is arranged at the joint of the connecting rods and the welding ball, a supporting frame is arranged at the lower end of the welding ball, and a pre-fixing assembly is arranged between the supporting frame and the connecting rods. The protection assembly comprises a first arc-shaped cover and a second arc-shaped cover which are arranged on the arc surface of the connecting rod, the two ends of the first arc-shaped cover are fixedly connected with mounting blocks, the two ends of the second arc-shaped cover are provided with mounting grooves, and one end of each mounting block is provided with a circular groove. And as the welding material is not stainless steel, an anti-corrosion coating on the welding ball can be burnt during welding, and the welding position of the welding ball and the connecting rod is rusted when meeting water.

Description

Technical Field

[0001] The utility model relates to the technical field of welded ball steel structure grids, in particular to a multi-curved surface welded ball steel structure grid. Background Art

[0002] Large-span building roofs mostly use welded ball steel structure grids. The welded ball steel structure grids are composed of welded balls and multiple connecting rods. Because the grid is welded with multiple welding balls and multiple connecting rods, a multi-curved connection is formed, making the entire grid more stable.

[0003] The inventor found in his daily work that when welding a welded ball steel structure grid, since the connecting rod is welded to the welding ball, the anti-corrosion coating on the welding ball will be burned off during welding because the welding material is not stainless steel and the welding will cause rust at the welding point between the welding ball and the connecting rod when encountering water. Utility Model Content

[0004] The utility model aims to solve the problem that in actual use, due to the welding of the connecting rod to the welding ball, the anti-corrosion coating on the welding ball is burned off during welding because the welding material is not stainless steel and the welding process causes water corrosion at the welding point between the welding ball and the connecting rod, and a multi-curved welding ball steel structure grid is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multi-curved welded ball steel structure truss, including welding balls and connecting rods, a plurality of connecting rods are welded to the welding balls to form a truss, a protective component is arranged at the connection between the connecting rods and the welding balls, a support frame is arranged at the lower end of the welding balls, a pre-fixing component is arranged between the support frame and the connecting rods, and the protective component includes arc cover 1 and arc cover 2 arranged on the arc surface of the connecting rod.

[0006] The effect achieved by the above-mentioned components is: by setting up a protective component, when it is necessary to protect the welding point between the welding ball and the connecting rod, first spray the welding point with anti-rust paint, clamp the arc cover one and arc cover two to the welding point between the connecting rod and the welding ball through a fixing mechanism, and then spray the surface of the arc cover one and arc cover two with anti-rust paint to further isolate the air, and finally spray the connecting gap between the arc cover one and arc cover two with anti-rust paint, so as to avoid the welding point from contacting water as much as possible.

[0007] Preferably, two ends of the arc-shaped cover one are fixedly connected with mounting blocks, and two ends of the arc-shaped cover two are provided with mounting grooves.

[0008] The effect achieved by the above components is: dragging the arc cover 1 and the arc cover 2 makes the installation block snap into the installation groove.

[0009] Preferably, a circular groove is provided at one end of the mounting block, a circular latch is slidably connected to the inner wall of the circular groove, and a clamping hole is provided on one side of the inner wall of the mounting groove.

[0010] The effect achieved by the above components is: when the arc cover 1 and the arc cover 2 are dragged, the circular latch is pressed downward so that the circular latch is retracted into the circular groove.

[0011] Preferably, a sealing strip is fixedly connected to one side of the arc cover 1 and the arc cover 2, a spring 1 is fixedly connected to one end of the circular latch, and the other end of the spring 1 is fixed to the mounting block.

[0012] The effect achieved by the above components is: the circular pin is retracted into the circular groove, causing the spring to contract. After the mounting block is fully inserted into the mounting groove, the circular pin is inserted into the clamping hole, thereby fixing the arc cover 1 and the arc cover 2. By setting a sealing strip, the connection between the arc cover 1 and the arc cover 2 is auxiliary sealed.

[0013] Preferably, the pre-fixing assembly comprises a U-shaped block fixedly connected to the upper and lower sides of the support frame, and the arc surface of the connecting rod is provided with a U-shaped steel plate.

[0014] The effect achieved by the above components is: when the grid and the support frame need to be pre-fixed, the U-shaped steel plate is inserted into the U-shaped block, and the U-shaped steel plate is limited by the limiting mechanism, and then the connecting rod is limited, so that the crane can lift the grid to prevent shaking.

[0015] Preferably, both ends of the U-shaped steel plate are located on a U-shaped block, and a T-shaped rod is slidably inserted into the upper end of the U-shaped block.

[0016] The effect achieved by the above components is: the T-shaped rod is dragged downward so as to be inserted into the U-shaped steel plate and the U-shaped block.

[0017] Preferably, the T-shaped rod passes through the U-shaped steel plate, and sliding rods are fixedly connected to both sides of the upper end of the U-shaped block, and the sliding rods pass through the T-shaped rod.

[0018] The effect achieved by the above components is: the T-shaped rod is limited by setting the sliding rod.

[0019] Preferably, two springs are fixedly connected to both sides of the upper end of the U-shaped block, and the other end of the spring is fixed to the T-shaped rod.

[0020] The effect achieved by the above components is: by setting the second spring, the T-shaped rod is reset.

[0021] In summary, the beneficial effects of the utility model are:

[0022] In the utility model, by setting a protection component, when it is necessary to protect the welding point between the welding ball and the connecting rod, the welding point is first sprayed with anti-rust paint, and the arc cover one and the arc cover two are clamped to the welding point between the connecting rod and the welding ball through a fixing mechanism, and then the surfaces of the arc cover one and the arc cover two are sprayed with anti-rust paint to further isolate the air, and finally the connecting gap between the arc cover one and the arc cover two is sprayed with anti-rust paint, so as to avoid the welding point from contacting water as much as possible, and solve the problem that when the connecting rod is welded to the welding ball, the welding material is not stainless steel and the anti-rust coating on the welding ball is burned during welding, thereby causing the welding point between the welding ball and the connecting rod to rust when encountering water. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the utility model from another angle;

[0025] Figure 3 It is a three-dimensional structural schematic diagram of the protective component of the utility model;

[0026] Figure 4 It is a three-dimensional structural schematic diagram of the pre-fixed component of the utility model.

[0027] Legend: 1. Welding ball; 2. Protection assembly; 3. Pre-fixing assembly; 4. Connecting rod; 5. Support frame; 21. Arc cover one; 22. Arc cover two; 23. Mounting block; 24. Mounting groove; 25. Round groove; 26. Round latch; 27. Clamp hole; 28. Spring one; 29. ​​Sealing strip; 31. U-shaped block; 32. U-shaped steel plate; 33. T-shaped rod; 34. Sliding rod; 35. Spring two. DETAILED DESCRIPTION

[0028] Reference Figure 1 and Figure 2 As shown, the utility model provides a technical solution: a multi-curved welded ball steel structure grid includes a welding ball 1 and a connecting rod 4, a plurality of connecting rods 4 are welded to the welding ball 1 to form a grid, a protective component 2 is provided at the connection between the connecting rod 4 and the welding ball 1, a support frame 5 is provided at the lower end of the welding ball 1, and a pre-fixing component 3 is provided between the support frame 5 and the connecting rod 4.

[0029] The specific configuration and functions of the protection component 2 and the pre-fixation component 3 are described in detail below.

[0030] Reference Figure 2 and Figure 3As shown, in this embodiment: the protection component 2 includes an arc cover 1 21 and an arc cover 22 arranged on the arc surface of the connecting rod 4. By setting the protection component 2, when it is necessary to protect the welding point between the welding ball 1 and the connecting rod 4, first spray the welding point with anti-rust paint, clamp the arc cover 1 21 and the arc cover 22 to the welding point between the connecting rod 4 and the welding ball 1 through a fixing mechanism, and then spray the surface of the arc cover 1 21 and the arc cover 22 with anti-rust paint to further isolate the air, and finally spray the connection gap between the arc cover 1 21 and the arc cover 22 with anti-rust paint, so as to avoid the welding point from contacting water as much as possible, the two ends of the arc cover 1 21 are fixedly connected with mounting blocks 23, and the two ends of the arc cover 22 are provided with mounting grooves 24, and the arc cover 1 21 and the arc cover 22 are dragged so that the mounting block 23 is clamped into the mounting groove 24, and the mounting block 23 A circular groove 25 is provided at one end, and a circular latch 26 is slidably connected to the inner wall of the circular groove 25. A clamping hole 27 is provided on one side of the inner wall of the mounting groove 24. When the arc cover 1 21 and the arc cover 22 are dragged, the circular latch 26 is pressed downward so that the circular latch 26 is retracted into the circular groove 25. A sealing strip 29 is fixedly connected to one side of the arc cover 1 21 and the arc cover 22. A spring 28 is fixedly connected to one end of the circular latch 26, and the other end of the spring 28 is fixed to the mounting block 23. The circular latch 26 is retracted into the circular groove 25, so that the spring 28 contracts. After the mounting block 23 is completely inserted into the mounting groove 24, the circular latch 26 is inserted into the clamping hole 27, thereby fixing the arc cover 1 21 and the arc cover 22. By setting the sealing strip 29, the connection between the arc cover 1 21 and the arc cover 22 is auxiliary sealed.

[0031] Reference Figure 4 As shown, in this embodiment: the pre-fixing component 3 includes a U-shaped block 31 fixedly connected to the upper and lower sides of the support frame 5, and the arc surface of the connecting rod 4 is provided with a U-shaped steel plate 32. When the grid frame and the support frame 5 need to be pre-fixed, the U-shaped steel plate 32 is inserted into the U-shaped block 31, and the U-shaped steel plate 32 is limited by the limiting mechanism, and then the connecting rod 4 is limited, so that the crane hangs the grid frame to prevent shaking. The two ends of the U-shaped steel plate 32 are located at the U-shaped block 31, and the upper end of the U-shaped block 31 is slidably inserted with a T shaped rod 33, drag the T-shaped rod 33 downward to insert it into the U-shaped steel plate 32 and the U-shaped block 31, the T-shaped rod 33 penetrates the U-shaped steel plate 32, and the upper end of the U-shaped block 31 is fixedly connected with sliding rods 34 on both sides, and the sliding rods 34 penetrate the T-shaped rod 33. By setting the sliding rods 34, the T-shaped rod 33 is limited, and the upper end of the U-shaped block 31 is fixedly connected with springs 35 on both sides, and the other end of the springs 35 is fixed to the T-shaped rod 33. By setting the springs 35, the T-shaped rod 33 is reset.

[0032] Working principle:

[0033] When using a welded ball steel structure grid, a grid formed by welding a plurality of welded balls 1 and a plurality of connecting rods 4 forms a multi-curved connection, thereby making the entire grid more stable. When it is necessary to protect the welding joint between the welded ball 1 and the connecting rod 4, first spray the welding joint with anti-rust paint, drag the arc cover 1 21 and the arc cover 22, press the circular latch 26 downward, so that the circular latch 26 is retracted into the circular groove 25, so that the spring 1 28 contracts, so that the mounting block 23 is clamped into the mounting groove 24, and after the mounting block 23 is completely clamped into the mounting groove 24, the spring 1 28 is reset, so that the circular latch 26 is clamped into the clamping hole 27, so that the arc cover 1 21 and the arc cover 22 are fixed, and then clamped to the welding joint between the connecting rod 4 and the welded ball 1 , then anti-rust paint is sprayed on the surface of the arc cover 1 21 and the arc cover 22 to further isolate the air, and finally anti-rust paint is sprayed on the connection gap between the arc cover 1 21 and the arc cover 22 to avoid contact with water at the welding point as much as possible, and the connection between the arc cover 1 21 and the arc cover 22 is auxiliary sealed by setting a sealing strip 29. When it is necessary to pre-fix the grid and the support frame 5, the U-shaped steel plate 32 is inserted into the U-shaped block 31, and the T-shaped rod 33 is dragged downward to be inserted into the U-shaped steel plate 32 and the U-shaped block 31, and then the connecting rod 4 is limited, so that the crane hangs the grid to prevent shaking, and the T-shaped rod 33 is limited by setting a sliding rod 34, and the T-shaped rod 33 is reset by setting a spring 2 35.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.

Claims

1. A multi-curved welded ball steel structure grid, comprising a welded ball (1) and a connecting rod (4), wherein a plurality of the connecting rods (4) are welded to the welded ball (1) to form a grid, characterized in that: A protective component (2) is provided at the connection between the connecting rod (4) and the welding ball (1), a support frame (5) is provided at the lower end of the welding ball (1), a pre-fixing component (3) is provided between the support frame (5) and the connecting rod (4), and the protective component (2) comprises an arc cover 1 (21) and an arc cover 2 (22) provided on the arc surface of the connecting rod (4).

2. The multi-curved welded ball steel structure grid according to claim 1, characterized in that: The two ends of the arc-shaped cover (21) are fixedly connected with mounting blocks (23), and the two ends of the arc-shaped cover (22) are provided with mounting grooves (24).

3. The multi-curved welded ball steel structure grid according to claim 2, characterized in that: A circular groove (25) is formed at one end of the installation block (23), a circular latch (26) is slidably connected to the inner wall of the circular groove (25), and a clamping hole (27) is formed at one side of the inner wall of the installation groove (24).

4. The multi-curved welded ball steel structure grid according to claim 3, characterized in that: A sealing strip (29) is fixedly connected to one side of the arc-shaped cover 1 (21) and the arc-shaped cover 2 (22), one end of the circular latch (26) is fixedly connected to a spring 1 (28), and the other end of the spring 1 (28) is fixed to the mounting block (23).

5. The multi-curved welded ball steel structure grid according to claim 4, characterized in that: The pre-fixing assembly (3) comprises a U-shaped block (31) fixedly connected to the upper and lower sides of the support frame (5), and the arc surface of the connecting rod (4) is provided with a U-shaped steel plate (32).

6. The multi-curved welded ball steel structure grid according to claim 5, characterized in that: Both ends of the U-shaped steel plate (32) are located on the U-shaped block (31), and a T-shaped rod (33) is slidably inserted into the upper end of the U-shaped block (31).

7. The multi-curved welded ball steel structure grid according to claim 6, characterized in that: The T-shaped rod (33) passes through the U-shaped steel plate (32); sliding rods (34) are fixedly connected to both sides of the upper end of the U-shaped block (31); and the sliding rods (34) pass through the T-shaped rod (33).

8. The multi-curved welded ball steel structure grid according to claim 7, characterized in that: Spring 2 (35) is fixedly connected to both sides of the upper end of the U-shaped block (31), and the other end of the spring 2 (35) is fixed to the T-shaped rod (33).

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