Fire-fighting pipeline welding device

Abstract

The utility model discloses a firefighting pipeline welding device which comprises a base and linear guide rails fixedly installed on the top of the base and symmetrically arranged, and further comprises positioning assemblies which are symmetrically arranged and arranged on the top of the base. The utility model belongs to the technical field of pipeline welding, and particularly relates to a welding fixture which solves the problems that in the welding process, the positioning effect on pipelines is poor, looseness is prone to occurring, the weighting phenomenon exists, the coaxiality of two fire-fighting ventilation pipelines cannot be guaranteed, and the welding quality of the two fire-fighting ventilation pipelines is affected. And large potential safety hazards are caused to follow-up use of the fire-fighting pipeline welding device.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline welding, and in particular relates to a fire protection pipeline welding device. Background Art

[0002] Fire protection pipes refer to pipe materials used in fire protection, connecting fire protection equipment and instruments, and transporting water, gas or other media for fire extinguishing. Due to special needs, there are special requirements for the thickness and material of fire protection pipes, and they are sprayed with red paint. Fire ventilation ducts are one type of fire protection pipes. Fire ventilation ducts are used to transport toxic smoke, etc. in the event of a fire. But most of the time, fire ventilation ducts are used as ventilation pipes to exchange air.

[0003] Existing fire ventilation ducts need to be welded during installation to improve their firmness. However, during the welding process, due to the different lengths of the ducts, it is easy for the ducts to be heavy when positioned, and the positioning effect is poor, which can easily cause looseness, making it impossible to ensure the coaxiality between the two fire ventilation ducts, thereby affecting the welding quality between the two and causing a major safety hazard to subsequent use. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a fire protection pipe welding device. During the welding process, the pipe positioning effect is poor, looseness is easy to occur and there is a weight imbalance, which makes it impossible to ensure the coaxiality between the two fire protection ventilation ducts, thereby affecting the welding quality between the two and causing a major safety hazard to subsequent use.

[0005] The technical solution adopted by the utility model is as follows: a fire protection pipe welding device, comprising a base and a linear guide rail fixedly mounted on the top of the base and symmetrically arranged, and also comprising a positioning assembly, the positioning assembly is symmetrically arranged, and the positioning assembly is arranged on the top of the base;

[0006] The positioning assembly includes a slider slidably arranged on the top of the linear guide rail, a positioning frame fixedly connected to the top wall of the slider, an electric push rod penetrating the positioning frame and fixedly connected to the positioning frame, a connecting frame fixedly connected to the lower end of the electric push rod, a cross plate fixedly connected to the bottom of the connecting frame, a fixed plate fixedly connected to the top wall of the cross plate and symmetrically arranged, a servo motor fixedly installed on the outer wall of the fixed plate, a bidirectional screw fixedly connected between the opposite side walls of the fixed plate, and a clamping block penetrating the bidirectional screw and threadedly connected to the bidirectional screw, the clamping blocks are symmetrically arranged, one end of the bidirectional screw is fixedly connected to the output end of the servo motor, and the middle position of the bidirectional screw penetrates the connecting frame and is rotatably connected to the connecting frame.

[0007] Furthermore, the positioning assembly also includes a limiting rod fixedly connected to the outer wall of the clamping block, limiting holes are provided on both sides of the positioning frame, one end of the limiting rod passes through the limiting hole and is slidably arranged inside the limiting hole, and the outer wall of the limiting rod contacts the inner wall of the limiting hole.

[0008] Furthermore, the transverse plate is provided with travel holes, the travel holes are symmetrically arranged, and the middle position of the clamping block passes through the travel holes and is slidably arranged inside the travel holes.

[0009] Furthermore, a rubber pad is provided on the clamping block.

[0010] Furthermore, the connection frame is arranged in a ∩ shape, and the clamping block is arranged in an inverted F shape.

[0011] Furthermore, the outer wall of the clamping block contacts the inner wall of the travel hole.

[0012] After adopting the above structure, the beneficial effects of the utility model are as follows: A fire protection pipeline welding device proposed by the utility model:

[0013] (1) The position of the positioning frame on the base can be adjusted appropriately according to the different lengths of the fire protection pipes, so that the positioning assembly can position and fix the middle position of the pipe to avoid the phenomenon of unbalanced weight and ensure the coaxiality of the two pipes;

[0014] (2) By adjusting the relative direction and vertical position of the clamping block, the fire protection pipe can be quickly clamped and positioned to avoid displacement during welding and ensure the welding effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 This is a schematic diagram of the overall structure of a fire protection pipe welding device proposed by the utility model;

[0017] Figure 2 The utility model discloses a side sectional view of a positioning frame of a fire protection pipe welding device.

[0018] In the attached drawings: 1. base, 2. linear guide, 3. slider, 4. positioning frame, 5. electric push rod, 6. connecting frame, 7. cross plate, 8. fixing plate, 9. servo motor, 10. bidirectional screw, 11. clamping block, 12. limit rod, 13. limit hole, 14. travel hole, 15. rubber pad. DETAILED DESCRIPTION

[0019] like Figure 1As shown, a fire protection pipe welding device includes a base 1 and a linear guide rail 2 fixedly installed on the top of the base 1 and symmetrically arranged, and also includes a positioning component, which is symmetrically arranged and arranged on the top of the base 1.

[0020] like Figure 1-2 As shown, in order to quickly clamp and position the two groups of fire protection pipes to avoid their offset during welding, and to ensure the coaxiality of the two pipes and the welding effect, the positioning assembly includes a slider 3 slidably set on the top of the linear guide rail 2, a positioning frame 4 fixedly connected to the top wall of the slider 3, an electric push rod 5 penetrating the positioning frame 4 and fixedly connected to the positioning frame 4, a connecting frame 6 fixedly connected to the lower end of the electric push rod 5, a cross plate 7 fixedly connected to the bottom of the connecting frame 6, a fixed plate 8 fixedly connected to the top wall of the cross plate 7 and symmetrically arranged, a servo motor 9 fixedly installed on the outer wall of the fixed plate 8, a bidirectional screw 10 fixedly connected between the opposite side walls of the fixed plate 8, and a screw rod 11 penetrating the fixing plate 8. A clamping block 11 that passes through the bidirectional screw 10 and is threadedly connected to the bidirectional screw 10, and a limiting rod 12 that is fixedly connected to the outer wall of the clamping block 11, limiting holes 13 are provided on both sides of the positioning frame 4, one end of the limiting rod 12 passes through the limiting hole 13 and is slidably arranged inside the limiting hole 13, the outer wall of the limiting rod 12 contacts the inner wall of the limiting hole 13, the clamping block 11 is symmetrically arranged, one end of the bidirectional screw 10 is fixedly connected to the output end of the servo motor 9, the middle position of the bidirectional screw 10 passes through the connecting frame 6 and is rotatably connected to the connecting frame 6, a travel hole 14 is provided on the cross plate 7, the travel hole 14 is symmetrically arranged, and the middle position of the clamping block 11 passes through the travel hole 14 and is slidably arranged inside the travel hole 14.

[0021] The clamping block 11 is provided with a rubber pad 15 , the connecting frame 6 is arranged in a ∩ shape, the clamping block 11 is arranged in an inverted F shape, and the outer wall of the clamping block 11 contacts the inner wall of the travel hole 14 .

[0022] During specific use, when welding two groups of fire-fighting pipes, the two groups of linear guide rails 2 are appropriately controlled according to the length of the fire-fighting pipes so that the slider 3 drives the corresponding positioning frame 4 to move to the appropriate position, and then the fire-fighting pipe is passed through the positioning frame 4 so that the middle end of the fire-fighting pipe is inside the positioning frame 4, and the ends of the two groups of fire-fighting pipes are in contact with each other, and then the electric push rod 5 is controlled to extend to move the cross plate 7 downward, and the clamping block 11 presses and fixes the pipe, and then the servo motor 9 is turned on, and the rotation of the bidirectional screw 10 causes the clamping block 11 to move relative to each other under the limiting action of the limit rod 12 and the stroke hole 14, and the outer wall of the fire-fighting pipe is clamped and fixed, and then the two groups of fire-fighting pipes are welded by welding equipment. The above operation can avoid the phenomenon of pipe heaviness, ensure the coaxiality of the two pipes, and avoid its displacement during welding, thereby ensuring the welding effect.

[0023] Although the embodiments of the utility model have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the attached claims and their equivalents. In short, if those skilled in the art are inspired by them and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the scope of protection of the utility model.

Claims

1. A fire protection pipe welding device, comprising a base and a linear guide rail fixedly mounted on the top of the base and symmetrically arranged, characterized in that: It also includes a positioning assembly, which is symmetrically arranged and is arranged on the top of the base; The positioning assembly includes a slider slidably arranged on the top of the linear guide rail, a positioning frame fixedly connected to the top wall of the slider, an electric push rod penetrating the positioning frame and fixedly connected to the positioning frame, a connecting frame fixedly connected to the lower end of the electric push rod, a cross plate fixedly connected to the bottom of the connecting frame, a fixed plate fixedly connected to the top wall of the cross plate and symmetrically arranged, a servo motor fixedly installed on the outer wall of the fixed plate, a bidirectional screw fixedly connected between the opposite side walls of the fixed plate, and a clamping block penetrating the bidirectional screw and threadedly connected to the bidirectional screw, the clamping blocks are symmetrically arranged, one end of the bidirectional screw is fixedly connected to the output end of the servo motor, and the middle position of the bidirectional screw penetrates the connecting frame and is rotatably connected to the connecting frame.

2. A fire protection pipe welding device according to claim 1, characterized in that: The positioning assembly also includes a limiting rod fixedly connected to the outer wall of the clamping block, limiting holes are provided on both sides of the positioning frame, one end of the limiting rod passes through the limiting hole and is slidably arranged inside the limiting hole, and the outer wall of the limiting rod contacts the inner wall of the limiting hole.

3. A fire protection pipe welding device according to claim 2, characterized in that: The transverse plate is provided with travel holes, which are symmetrically arranged, and the middle position of the clamping block passes through the travel holes and is slidably arranged inside the travel holes.

4. A fire protection pipe welding device according to claim 3, characterized in that: A rubber pad is arranged on the clamping block.

5. A fire protection pipe welding device according to claim 4, characterized in that: The connection frame is arranged in a ∩ shape, and the clamping block is arranged in an inverted F shape.

6. A fire protection pipe welding device according to claim 5, characterized in that: The outer side wall of the clamping block contacts the inner wall of the travel hole.

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