Positioning assistor for butt welding of steel structure circular pipes

Abstract

The utility model discloses a steel structure round pipe butt welding positioning assistor which comprises a first installation frame, a second installation frame aligned with the outer side of the first installation frame, fixed clamping blocks arranged in the first installation frame and the second installation frame in an adhesive mode, a movable clamping block, a first clamping block and a second clamping block. The movable clamping blocks are arranged at the left ends of the inner sides of the first mounting frame and the second mounting frame correspondingly, adjusting rods are arranged in the middles of the outer sides of the movable clamping blocks through bearings, limiting blocks are fixedly mounted at the outer side ends of the movable clamping blocks, and a first connecting lug is fixedly mounted on the right side of the front end of the first mounting frame. A second connecting lug is fixedly mounted at the right end of the rear side of the second mounting frame; and the fixed plate is fixedly mounted at the left end of the rear side of the second mounting frame. According to the positioning assistor for butt welding of the steel structure circular pipes, positioning work can be conveniently conducted on the steel structure circular pipes of different sizes, meanwhile, positioning work can be conveniently conducted on the steel structure circular pipes needing to be vertically welded, and practicability is good.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure round pipe welding, in particular to a steel structure round pipe butt welding positioning assistant. Background Art

[0002] Steel structure round tube is a circular tubular structure composed of steel materials. Each steel structure round tube is usually connected by welds, but it is easy to be difficult to align and produce deviations during the welding process. Therefore, a positioning aid is needed to align the two steel structure round tubes to be welded to improve the welding effect.

[0003] The Chinese patent authorization publication number is CN220050670U, which discloses a steel structure circular tube butt welding positioning assistant, the welding positioning assistant includes a left connector and a right connector, the left connector and the right connector are arranged symmetrically, and the structures and connection methods of the left connector and the right connector are the same; the left connector includes an ear plate and a semicircular tube, the ear plate is fixed on both sides of the semicircular tube, and bolt holes are provided on the ear plate, the bolt holes are arranged on both sides of the semicircular tube, and the semicircular tube and the bolt holes are parallel to each other. The utility model enables preliminary butt welding between two circular tubes that need to be welded through the butt joint of the left and right connectors, and is applicable to steel structure circular tubes of any size, and then the welding operation is performed through the welds in the left and right connectors, with accurate positioning and good weld forming quality, thereby greatly saving labor and management costs and reducing construction safety risks.

[0004] Most of the existing technical solutions have the following defects: it is not convenient to position steel structure circular tubes of different sizes, which makes the overall use more limited. At the same time, it is not convenient to position steel structure circular tubes that need vertical welding. Therefore, the utility model provides a steel structure circular tube butt welding positioning aid to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a steel structure round tube butt welding positioning aid to solve the problem proposed in the above background technology that it is inconvenient to position steel structure round tubes of different sizes, resulting in large limitations on overall use, and at the same time, it is inconvenient to position steel structure round tubes that require vertical welding.

[0006] To achieve the above object, the utility model provides the following technical solution: a steel structure round tube butt welding positioning assistant, comprising a first mounting frame, a second mounting frame aligned with the outside of the first mounting frame, and a fixed clamping block pasted inside the first mounting frame and the second mounting frame, and further comprising:

[0007] A movable clamping block is respectively arranged at the inner left end of the first mounting frame and the second mounting frame, and an adjusting rod is arranged at the outer middle part of the movable clamping block through a bearing, and a limit block is also fixedly installed at the outer end of the movable clamping block, a first connecting ear is fixedly installed at the front right side of the first mounting frame, a second connecting ear is fixedly installed at the rear right end of the second mounting frame, and a hinge shaft is penetrated inside the connection between the first connecting ear and the second connecting ear;

[0008] The fixing plate is fixedly mounted on the rear left end of the second mounting frame, and a prefabricated groove matching the fixing plate is opened in the front left wall of the first mounting frame, and a fixing bolt is arranged on the front left side of the first mounting frame.

[0009] Preferably, one end of the adjustment rod away from the dynamic clamping block passes through the outer ends of the first mounting bracket and the second mounting bracket respectively, and the adjustment rod is connected to the first mounting bracket and the second mounting bracket respectively in a threaded manner.

[0010] Preferably, the front and rear ends of the first mounting frame and the second mounting frame are both open, and the fixed clamping block and the movable clamping block are respectively arranged in the first mounting frame and the second mounting frame in a one-to-one correspondence.

[0011] Preferably, rubber gaskets are attached to the inner ends of the fixed clamping block and the movable clamping block to prevent slipping.

[0012] Preferably, a limiting column is fixedly installed inside the left wall of the first mounting frame and the second mounting frame, and the limiting column is connected to the limiting block in a sliding manner.

[0013] Preferably, prefabricated holes are provided inside the first mounting frame and the fixing plate, and the fixing bolts are connected to the first mounting frame and the fixing plate respectively through the prefabricated holes in a plug-in manner.

[0014] Preferably, the fixing plate is connected to the first mounting frame by snap-fitting through a prefabricated groove.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the steel structure round tube butt welding positioning assistant is convenient for positioning steel structure round tubes of different sizes, and is convenient for positioning steel structure round tubes required for vertical welding, and has good practicality;

[0016] The adjusting rod is respectively connected to the first mounting bracket and the second mounting bracket in a threaded manner, and the limit column is connected to the limit block in a sliding manner. The adjusting rod is rotated so that the adjusting rod is rotationally connected to the dynamic clamping block through the bearing and is threadedly connected to the first mounting bracket. At this time, the dynamic clamping block can move to the right under the action of the adjusting rod, and the limit block slides with the limit column, which can ensure the stability of the movement of the dynamic clamping block.

[0017] Furthermore, until the rubber gasket pasted in the dynamic clamping block is tightly connected with the left side of the steel structure round tube, at the same time, the right side of the steel structure round tube can be tightly connected with the rubber gasket pasted on the outer side of the fixed clamping block under the extrusion of the dynamic clamping block, thereby having a better clamping and positioning effect on the steel structure round tube;

[0018] When it is necessary to weld the steel structure circular tubes that need to be welded vertically, the fixing bolt can be pulled out upwards so that the fixing bolt is separated from the first mounting frame and the fixing plate respectively and loses its fixing effect on the fixing plate. Then the second mounting frame is rotated so that the second connecting ear and the first connecting ear can be rotated 90 degrees through the hinge axis. Then the above steps can be installed to position the two groups of steel structure circular tubes respectively, which is very practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall structure of the first mounting bracket and the second mounting bracket of the utility model in a rotating state;

[0021] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 4 It is a schematic diagram of the overall structure of the dynamic clamping block and the adjusting rod connected to the utility model.

[0023] In the figure: 1. first mounting frame; 2. second mounting frame; 3. fixed clamping block; 4. dynamic clamping block; 5. adjusting rod; 6. limit block; 7. rubber gasket; 8. limit column; 9. first connecting ear; 10. second connecting ear; 11. hinge shaft; 12. fixing plate; 13. prefabricated groove; 14. fixing bolt; 15. prefabricated hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-4The utility model provides a technical solution: a steel structure round tube butt welding positioning assistant, comprising a first mounting frame 1, a second mounting frame 2 aligned with the outer side of the first mounting frame 1, and a fixed clamping block 3 pasted inside the first mounting frame 1 and the second mounting frame 2, and also comprising a dynamic clamping block 4 respectively arranged at the inner left end of the first mounting frame 1 and the second mounting frame 2, and an adjusting rod 5 is arranged at the middle part of the outer side of the dynamic clamping block 4 through a bearing, and a limit block 6 is also fixedly installed at the outer end of the dynamic clamping block 4, a first connecting ear 9 is fixedly installed on the front right side of the first mounting frame 1, a second connecting ear 10 is fixedly installed on the rear right end of the second mounting frame 2, and a hinge shaft 11 is penetrated inside the connection between the first connecting ear 9 and the second connecting ear 10, and the inner ends of the fixed clamping block 3 and the dynamic clamping block 4 are pasted with rubber gaskets 7 to play an anti-slip role;

[0026] At the same time, the fixing plate 12 is fixedly installed on the rear left end of the second mounting frame 2, and a prefabricated groove 13 adapted to the fixing plate 12 is opened in the left wall of the front end of the first mounting frame 1, and a fixing bolt 14 is arranged on the left side of the front end of the first mounting frame 1, and the limiting columns 8 are fixedly installed inside the left walls of the first mounting frame 1 and the second mounting frame 2, and prefabricated holes 15 are opened inside the first mounting frame 1 and the fixing plate 12, which together constitute a steel structure round pipe butt welding positioning aid.

[0027] When using the steel structure round tube butt welding positioning aid, the specific Figure 1 and Figure 4 As shown in the figure, first, the whole is stably placed on the specified plane, and then the two groups of steel structure round pipes to be welded are placed in the first mounting frame 1 and the second mounting frame 2 respectively, and the right ends thereof are connected to the rubber gasket 7 pasted on the outside of the fixed clamping block 3. Since the adjusting rod 5 is respectively connected to the first mounting frame 1 and the second mounting frame 2 in a threaded manner, and the limit column 8 is connected to the limit block 6 in a sliding manner, the adjusting rod 5 is rotated to make the adjusting rod 5 rotatably connected to the dynamic clamping block 4 through the bearing and threadedly connected to the first mounting frame 1. At this time, the dynamic clamping block 4 can be on the adjusting rod. 5 moves to the right, and the limit block 6 and the limit column 8 slide, which can ensure the smooth movement of the dynamic clamping block 4, until the rubber gasket 7 pasted in the dynamic clamping block 4 is tightly connected to the left side of the steel structure round tube, and at the same time, the right side of the steel structure round tube can be tightly connected with the rubber gasket 7 pasted on the outer side of the fixed clamping block 3 under the extrusion of the dynamic clamping block 4, thereby having a better clamping and positioning effect on the steel structure round tube. Similarly, the steel structure round tube placed in the second mounting frame 2 is positioned according to the above steps, and the ports of the two steel structure round tubes are contacted, which is convenient for subsequent better welding work;

[0028] Specific as Figure 1 , Figure 2 and Figure 3As shown in the figure, when it is necessary to weld the steel structure round tubes required for vertical welding, the fixing bolt 14 can be pulled out upwards, so that the fixing bolt 14 is separated from the first mounting frame 1 and the fixing plate 12 respectively and loses the fixing effect on the fixing plate 12, and then the second mounting frame 2 is rotated, so that the second connecting ear 10 and the first connecting ear 9 can be rotated by the hinge shaft 11 at an angle of 90°, and then the above steps are installed to position the two groups of steel structure round tubes respectively. This is the method of using the steel structure round tube butt welding positioning aid.

[0029] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel structure round tube butt welding positioning aid, comprising a first mounting frame (1), a second mounting frame (2) arranged to be aligned with the outside of the first mounting frame (1), and a fixed clamping block (3) pasted inside the first mounting frame (1) and the second mounting frame (2), characterized in that: Also includes: A movable clamping block (4) is respectively arranged at the inner left end of the first mounting frame (1) and the second mounting frame (2), and an adjusting rod (5) is arranged at the outer middle part of the movable clamping block (4) through a bearing, and a limit block (6) is also fixedly installed at the outer end of the movable clamping block (4), a first connecting ear (9) is fixedly installed at the front right end of the first mounting frame (1), a second connecting ear (10) is fixedly installed at the rear right end of the second mounting frame (2), and a hinge shaft (11) is arranged inside the connection between the first connecting ear (9) and the second connecting ear (10); A fixing plate (12) is fixedly mounted on the rear left end of the second mounting frame (2), a prefabricated groove (13) adapted to the fixing plate (12) is provided in the front left wall of the first mounting frame (1), and a fixing bolt (14) is provided on the front left side of the first mounting frame (1).

2. A steel structure round tube butt welding positioning aid according to claim 1, characterized in that: One end of the adjusting rod (5) away from the movable clamping block (4) passes through the outer ends of the first mounting frame (1) and the second mounting frame (2), respectively, and the adjusting rod (5) is connected to the first mounting frame (1) and the second mounting frame (2) respectively by means of threads.

3. A steel structure round tube butt welding positioning aid according to claim 2, characterized in that: The front and rear ends of the first mounting frame (1) and the second mounting frame (2) are both open, and the fixed clamping block (3) and the movable clamping block (4) are respectively arranged in a one-to-one correspondence in the first mounting frame (1) and the second mounting frame (2).

4. A steel structure round pipe butt welding positioning aid according to claim 3, characterized in that: The inner ends of the fixed clamping block (3) and the movable clamping block (4) are both bonded with rubber gaskets (7) to provide an anti-slip effect.

5. A steel structure round tube butt welding positioning aid according to claim 3, characterized in that: A limiting column (8) is fixedly mounted inside the left wall of each of the first mounting frame (1) and the second mounting frame (2), and the limiting column (8) is connected to the limiting block (6) in a sliding manner.

6. A steel structure round tube butt welding positioning aid according to claim 1, characterized in that: The first mounting frame (1) and the fixing plate (12) are both provided with prefabricated holes (15) inside, and the fixing bolts (14) are connected to the first mounting frame (1) and the fixing plate (12) respectively through the prefabricated holes (15) in a plug-in manner.

7. A steel structure round pipe butt welding positioning aid according to claim 6, characterized in that: The fixing plate (12) is connected to the first mounting frame (1) in a snap-fit ​​manner via the prefabricated groove (13).

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