Steel structure welding auxiliary tool

Abstract

The utility model provides an auxiliary tool for welding a steel structure, and solves the problems that a transverse pipe of the steel structure is easy to slightly move due to shaking of an arm when being welded, so that the welding quality and the appearance are poor. The device comprises a pressing rod extending in the front-back direction, the front end of the pressing rod is in a T shape and is fixedly connected with a limiting pipe extending in the left-right direction, and the limiting pipe is of a left-right through tubular structure; a lengthening rod capable of being pulled out is inserted into the limiting pipe, and the length of the lengthening rod is larger than that of the limiting pipe; a limiting rod piece perpendicularly connected with the pressing rod is arranged on the pressing rod, the limiting rod piece is matched with the limiting pipe to limit front-back movement of the welded workpiece, and the rear end of the pressing rod is fixedly connected with a first transverse rod in a T shape. The device is easy to use, convenient to manufacture and select materials, low in cost and capable of being repeatedly used, when the device is used, a transverse pipe can be extruded and fixed to the rear portion of a vertical pipe through cooperation of a limiting pipe and a limiting rod, a first transverse rod at the rear end of a pressing rod abuts against the ground, stable supporting is formed, and the welding quality and impression are obviously improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a steel structure welding auxiliary tool. Background Art

[0002] At present, the welding construction of steel structures is all fixed with the assistance of multiple people, and professional welders with training and certificates are required to perform welding. In general, it is impossible for people to keep their movements constant for a long time, especially for the welding of horizontal pipes of steel structures. Before welding, the horizontal pipes are often installed on the vertical pipes by tying or plugging. When the human arm shakes during welding, the welded workpiece (horizontal pipe) will move slightly, resulting in poor welding quality and appearance. Utility Model Content

[0003] In order to solve the problem in the background technology that the horizontal pipe of the steel structure is easily moved slightly due to the shaking of the arm during welding, resulting in poor welding quality and appearance, the utility model proposes a steel structure welding auxiliary tool.

[0004] The technical solution of the utility model is: a steel structure welding auxiliary tool, comprising a pressure rod extending in the front-to-back direction, the front end of the pressure rod is T-shaped and fixedly connected with a limit tube extending in the left-right direction, and the limit tube is a tubular structure that is transparent in the left and right directions;

[0005] A removable extension rod is inserted into the limiting tube, and the length of the extension rod is greater than the length of the limiting tube;

[0006] The pressure rod is provided with a limiting rod connected vertically therewith, and the limiting rod cooperates with the limiting tube to limit the forward and backward movement of the welded workpiece, and the rear end of the pressure rod is fixedly connected with the first cross bar in a T-shape.

[0007] Preferably, the pressure rod is a telescopic rod structure with adjustable length.

[0008] Preferably, the pressure rod comprises a first sleeve and a first movable rod, and the rear end of the first movable rod is movably inserted in the first sleeve;

[0009] The side wall of the first sleeve is provided with a plurality of first screw holes spaced apart along its length direction, the first movable rod is provided with a second screw hole corresponding to any first screw hole, and detachable adjusting bolts are passed through the second screw hole and the corresponding first screw hole.

[0010] Preferably, the front part of the pressure rod is provided with an external threaded rod section, the limiting rod member comprises a first sleeve ring and a limiting rod fixedly connected to the first sleeve ring, the first sleeve ring is movably sleeved on the external threaded rod section, and the limiting rod and the pressure rod are perpendicular to each other;

[0011] A threaded limiting nut is sleeved on the external threaded rod section. The limiting nut is located behind the first collar and is used to adjust the front-to-back distance between the limiting rod and the limiting tube.

[0012] Preferably, a shift rod is fixedly provided on the side wall of the limiting nut, and the shift rod and the pressure rod are perpendicular to each other.

[0013] Preferably, the left and right sides of the rear portion of the pressure rod are fixedly connected with second cross bars which are perpendicular to the pressure rod, and the second cross bar is parallel to the first cross bar.

[0014] Preferably, the second crossbar and the first crossbar are provided with detachable pedal rods;

[0015] The pedal rod comprises a pedal rod extending in the front-rear direction and second sleeve rings fixedly arranged at the front and rear ends of the pedal rod, and the two second sleeve rings are movably sleeved on the second cross bar and the first cross bar respectively.

[0016] Preferably, a ground-inserting rod extending downward is fixedly provided at the bottom of the pedal rod.

[0017] The advantages of the utility model are as follows: the device is simple to use, convenient to manufacture and select materials, low cost, and can be reused. When in use, the horizontal tube can be squeezed and fixed behind the vertical tube through the cooperation of the limiting tube and the limiting rod, and the first horizontal rod at the rear end of the pressure rod rests on the ground to form a stable support, which solves the problem that the horizontal tube of the steel structure is easily moved slightly due to the shaking of the arm during welding, thereby significantly improving the welding quality and appearance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the planar structure of the welding auxiliary tool of Example 1;

[0020] Figure 2 is a schematic diagram of the structure of the welding auxiliary tool in Example 1 when in use from a top view;

[0021] Figure 3 for Figure 1 A schematic diagram of the structure of the pedal rod in a side view;

[0022] In the figure, 1, the first sleeve, 101, the first screw hole, 2, the first movable rod, 3, the limit tube, 4, the extension rod, 5, the first ring, 6, the limit rod, 7, the limit nut, 8, the lever, 9, the adjusting bolt, 10, the first cross bar, 11, the second cross bar, 12, the second ring, 13, the pedal rod, 14, the ground rod, 15, the vertical pipe, and 16, the horizontal pipe. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1: A steel structure welding auxiliary tool, such as Figure 1 and Figure 2 As shown, it includes a pressure rod extending in the front-to-back direction, and the front end of the pressure rod is T-shaped and fixedly connected with a limiting tube 3 extending in the left-right direction. The limiting tube 3 is a tubular structure that is transparent from left to right.

[0025] A removable extension rod 4 is inserted into the position limiting tube 3 , and the length of the extension rod 4 is greater than the length of the position limiting tube 3 .

[0026] In order to adapt to the use requirements of different heights, such as Figure 1 As shown, the pressure rod is a telescopic rod structure with adjustable length. Figure 1 As shown, the pressure rod includes a first sleeve 1 and a first movable rod 2, and the rear end of the first movable rod 2 is movably inserted in the first sleeve 1; a plurality of first screw holes 101 are arranged at intervals along its length direction on the side wall of the first sleeve 1, and a second screw hole corresponding to any one of the first screw holes 101 is arranged on the first movable rod 2, and a detachable adjusting bolt 9 is passed through the second screw hole and the corresponding first screw hole 101.

[0027] The pressure rod is provided with a limit rod connected vertically thereto, and the limit rod cooperates with the limit tube 3 to limit the forward and backward movement of the welded workpiece. Figure 1 As shown, the front part of the compression rod is provided with an external threaded rod section, and the limiting rod member includes a first collar 5 and a limiting rod 6 fixedly connected to the first collar 5, the first collar 5 is movably sleeved on the external threaded rod section, and the limiting rod 6 and the compression rod are perpendicular to each other. A threaded limiting nut 7 is sleeved on the external threaded rod section, and the limiting nut 7 is located behind the first collar 5. The limiting nut 7 is used to adjust the front-to-back distance between the limiting rod 6 and the limiting tube 3.

[0028] In order to facilitate the rotation of the limit nut 7, Figure 1As shown, in this embodiment, a lever 8 is fixedly provided on the side wall of the limiting nut 7, and the lever 8 and the pressure rod are perpendicular to each other.

[0029] The rear end of the pressure rod is fixedly connected to the first cross bar 10 in a T-shape. The left and right sides of the rear part of the pressure rod are fixedly connected to the second cross bars 11 perpendicular to each other, and the second cross bars 11 and the first cross bars 10 are parallel to each other.

[0030] The second crossbar 11 and the first crossbar 10 are provided with detachable pedal members. Figure 3 As shown, the pedal rod comprises a pedal rod 13 extending in the front-rear direction and second sleeves 12 fixedly arranged at the front and rear ends of the pedal rod 13, and the two second sleeves 12 are respectively movably sleeved on the second cross bar 11 and the first cross bar 10. A ground rod 14 extending downward is fixedly arranged at the bottom of the pedal rod 13.

[0031] Working principle: When in use, Figure 2 As described above, the pressure rod is rotated to make the limiting tube 3 vertically pass through two adjacent vertical tubes 15 of the steel structure, and then the pressure rod is rotated to make the limiting tube 3 horizontally hooked in front of the two adjacent vertical tubes 15.

[0032] If the length of the limiting tube 3 is smaller than the gap between two adjacent vertical tubes 15 , the extension rod 4 can be inserted into the limiting tube 3 so that the extension rod 4 is hooked in front of the two adjacent vertical tubes 15 .

[0033] By using the lever 8, the limit nut 7 is turned to push the first ring 5 and the limit rod 6 forward until the limit rod 6 abuts against the rear of the cross pipe 16 to be welded, the length of the pressure rod is adjusted, and the pressure rod is turned downward. The worker steps on the pedal rod 13 to make the first cross bar 10 abut against the ground, and the lower end of the ground rod 14 is inserted into the ground.

[0034] Then tighten the limit nut 7 so that the limit tube 3 and the limit rod 6 cooperate, squeeze and fix the horizontal tube 16 behind the vertical tube 15, and then start the welding work between the horizontal tube 16 and the vertical tube 15. After completing the welding work of this section, the welding auxiliary tools can be removed and transferred to the next welding construction site for reuse.

[0035] Embodiment 2: A steel structure welding auxiliary tool, in this embodiment, the first collar 5 is welded and fixed on the pressure rod, and the pressure rod is no longer provided with an external threaded rod section and a limiting nut 7. The other structures are the same as those in Embodiment 1.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is limited by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A steel structure welding auxiliary tool, characterized in that: It comprises a pressure rod extending in the front-to-back direction, the front end of the pressure rod being fixedly connected in a T-shape to a limiting tube (3) extending in the left-right direction, the limiting tube (3) being a tubular structure that is transparent in the left-right direction; A removable extension rod (4) is inserted into the limiting tube (3), and the length of the extension rod (4) is greater than the length of the limiting tube (3); The pressure rod is provided with a limit rod connected vertically thereto, the limit rod cooperates with the limit tube (3) to limit the forward and backward movement of the welded workpiece, and the rear end of the pressure rod is fixedly connected to the first cross bar (10) in a T-shape.

2. A steel structure welding auxiliary tool as claimed in claim 1, characterized in that: The pressure rod is a telescopic rod structure with adjustable length.

3. A steel structure welding auxiliary tool as claimed in claim 2, characterized in that: The pressure rod comprises a first sleeve (1) and a first movable rod (2), wherein the rear end of the first movable rod (2) is movably inserted into the first sleeve (1); A plurality of first screw holes (101) are provided on the side wall of the first sleeve (1) and are spaced apart along the length direction thereof; a second screw hole that can correspond to any one of the first screw holes (101) is provided on the first movable rod (2); and a detachable adjusting bolt (9) is inserted into the second screw hole and the corresponding first screw hole (101).

4. A steel structure welding auxiliary tool as claimed in any one of claims 1 to 3, characterized in that: An externally threaded rod section is provided at the front of the pressure rod, and the limiting rod member comprises a first sleeve ring (5) and a limiting rod (6) fixedly connected to the first sleeve ring (5), the first sleeve ring (5) is movably sleeved on the externally threaded rod section, and the limiting rod (6) and the pressure rod are perpendicular to each other; A threaded limit nut (7) is sleeved on the external threaded rod section. The limit nut (7) is located behind the first collar (5). The limit nut (7) is used to adjust the front-to-back distance between the limit rod (6) and the limit tube (3).

5. A steel structure welding auxiliary tool as claimed in claim 4, characterized in that: A shifting rod (8) is fixedly provided on the side wall of the limiting nut (7), and the shifting rod (8) and the pressing rod are perpendicular to each other.

6. A steel structure welding auxiliary tool as claimed in claim 1, characterized in that: The left and right sides of the rear part of the pressure rod are both fixedly connected with second cross bars (11) which are perpendicular to the pressure rod, and the second cross bar (11) is parallel to the first cross bar (10).

7. A steel structure welding auxiliary tool as claimed in claim 6, characterized in that: The second crossbar (11) and the first crossbar (10) are provided with detachable pedal rods; The pedal rod comprises a pedal rod (13) extending in the front-rear direction and second sleeve rings (12) fixedly arranged at the front and rear ends of the pedal rod (13), and the two second sleeve rings (12) are movably sleeved on the second cross bar (11) and the first cross bar (10) respectively.

8. A steel structure welding auxiliary tool as claimed in claim 7, characterized in that: A ground-inserting rod (14) extending downward is fixedly provided at the bottom of the pedal rod (13).

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