Steel structure welding fixing device

Abstract

The utility model discloses a steel structure welding and fixing device which comprises an upper welding piece, a lower welding piece, an upper fixing cylinder and a lower fixing cylinder, the upper welding piece is correspondingly sleeved with the upper fixing cylinder, the lower welding piece is correspondingly sleeved with the lower fixing cylinder, and the butt-joint end face of the upper welding piece and the butt-joint end face of the lower welding piece are arranged to be a welding position. The upper fixed cylinder and the lower fixed cylinder are vertically separated fixed cylinders; the upper fixing cylinder and the lower fixing cylinder are each of a two-semicircular-cylinder structure, a hinge piece is arranged at one side end of each semicircular-cylinder structure, and a locking piece is arranged at the other end of each semicircular-cylinder structure. According to the device, the threaded pressing rods can be stably pressed on the fixing cylinders, upper and lower welding pieces are pressed by the internal threaded pressing rods, and are tensioned and fixed by the fixing tension springs between the fixing cylinders in the vertical direction, so that the position of the welding position is fixed, the welding end face is positioned, the structure is reasonable and stable, and the welding efficiency and the welding quality can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding clamps in steel structure technology, in particular to a steel structure welding fixing device. Background Art

[0002] In the prior art, during the welding of steel structure components, especially the welding of tubular steel structure components, the upper and lower steel structure components need to be accurately positioned and fixed in position so that high-quality welds can be formed during welding. If the positioning is not accurate enough, the welding quality will be affected.

[0003] For example, the technical solution with the publication (announcement) number CN219521097U discloses "a fixing fixture for steel structure welding". In this technical solution, the welding components on both sides can be fixed by steel plates, limit plates and positioning bolts on both sides during welding, and then welding can be carried out.

[0004] Although the above technical solution can achieve welding positioning and fixation, the use and installation of the positioning fixture in the above technical solution are very troublesome. For example, it needs to be fastened by positioning bolts, etc., and the overall disassembly and assembly are very troublesome, and a more convenient disassembly and assembly structure cannot be formed.

[0005] Therefore, in order to solve the above problems, it is necessary to develop a steel structure welding fixture that is easy to disassemble and effectively improves welding quality and efficiency. Utility Model Content

[0006] The purpose of the utility model is to provide a steel structure welding fixture to address the deficiencies in the prior art; its technical solution is as follows:

[0007] A steel structure welding and fixing device comprises an upper welding part and a lower welding part, and an upper fixing cylinder sleeved on the upper welding part and a lower fixing cylinder sleeved on the lower welding part respectively, wherein the butt end surfaces of the upper welding part and the lower welding part are arranged as welding points; the upper fixing cylinder and the lower fixing cylinder are arranged as fixing cylinders separated up and down; and the upper fixing cylinder and the lower fixing cylinder are arranged as two semi-cylindrical structures, and a hinge is arranged at one end, and a locking part is arranged at the other end.

[0008] The upper fixed cylinder and the lower fixed cylinder are also provided with evenly spaced thread grooves inside, the thread grooves are placed vertically, and a corresponding threaded pressure rod is installed in each thread groove, and the tail end of the threaded pressure rod is correspondingly connected to a connecting rod, and the connecting rod extends outward to the outside of the cylinder body, and the inner threaded pressure rod is driven to rotate and press against the outer wall of the welded part by rotating the connecting rod.

[0009] The upper and lower fixed cylinders are also equipped with spring seats protruding outward on the cylinder walls, and the positions of the spring seats on the upper and lower fixed cylinders are corresponding. The upper fixed cylinder is located above the welding point, and the lower fixed cylinder is located below the welding point. Fixed tension springs are correspondingly installed between the upper and lower spring seats, and the upper and lower fixed cylinders are tightened and fixed above and below the welding point by the fixed tension springs.

[0010] Furthermore, four spring seats are respectively arranged on the upper fixing cylinder and the lower fixing cylinder, and four fixed tension springs are correspondingly arranged.

[0011] Furthermore, the spring seat can move up and down on the outer wall of the fixed cylinder; a vertical slide groove is also provided on the outer wall of the fixed cylinder, and a slider extending into the vertical slide groove is correspondingly installed on the spring seat, and the slider can move up and down and is correspondingly fixed in the vertical slide groove.

[0012] Furthermore, a vertical row of limiting grooves is also provided on the vertical slide groove at the outer wall of the fixed cylinder. When the slider slides up and down in the vertical slide groove, the slider can be placed in the limiting grooves accordingly, thereby fixing the slider and the spring seat.

[0013] Furthermore, five evenly spaced limiting grooves are provided on each vertical slide groove.

[0014] Furthermore, four thread grooves are correspondingly arranged in the upper fixed cylinder and the lower fixed cylinder, and two thread grooves are arranged in each semi-cylinder; and a manual rotating plate is also installed at the end of the connecting rod.

[0015] Beneficial effects: The utility model has the following beneficial effects:

[0016] 1) The device includes an upper fixed cylinder and a lower fixed cylinder, and the two fixed cylinders are both configured as hinged semicircular cylinder structures, and the outer wall of the cylinder is provided with a spring seat, the positions of the spring seats on the upper and lower fixed cylinders are corresponding, and a fixed tension spring is installed between the corresponding spring seats. During specific work, the upper fixed cylinder and the lower fixed cylinder are opened correspondingly, the upper fixed cylinder is sleeved on the upper welding part, the lower fixed cylinder is welded on the lower welding part, and the threaded pressure rods inside the two fixed cylinders are correspondingly pressed on the outer wall of the fixed cylinder. Usually, the outer wall of the steel structure is uneven or has a large friction coefficient, which can make the threaded pressure rod press on the fixed cylinder more stably, but the steel structure with a smoother surface is not applicable; the upper and lower welding parts are pressed by the internal threaded pressure rods, and are tightened and fixed by the fixed tension springs between the fixed cylinders in the upper and lower directions, so as to fix the position of the welding place, locate the welding end face, and have a reasonable and stable structure;

[0017] 2) The device further sets the spring seat as a structure with adjustable up and down positions. In the device, a vertical slide groove is further provided on the outer wall of the upper and lower fixed cylinders, and a slider is provided on the spring seat. The slider is embedded in the slide groove, and the slider can move up and down with the spring seat. A limit groove is also provided on the vertical slide groove. When the slider moves up and down to the position of the limit groove, it can be directly embedded in the limit groove. Then, the upper and lower fixed cylinders are first placed at the positions of the upper and lower branches, and then the position of the spring seat is adjusted so that the fixed tension spring in the middle generates a certain tension to tighten and fix the two fixed cylinders together; through the spring seat with adjustable up and down positions, on the one hand, the pulling force can be adjusted; on the other hand, it is used in conjunction with the internal threaded pressure rod to prevent the threaded pressure rod from being unable to press the internal welded parts due to the large tension, and the structure is reasonable;

[0018] 3) The device is very convenient to use and disassemble. When tightening and fixing, just adjust the threaded pressure rod and put the fixing sleeve on the welded part. When disassembling, it is also very convenient to loosen the threaded rod and separate the fixing sleeve. It is easy to disassemble and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the structural diagram of the utility model;

[0020] Figure 2 for Figure 1 Medium AA view;

[0021] Figure 3 for Figure 1 Middle B view;

[0022] Figure 4 for Figure 1 Middle CC section view. DETAILED DESCRIPTION

[0023] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, a steel structure welding and fixing device includes an upper welding part 101 and a lower welding part 102 and an upper fixing cylinder 1 correspondingly sleeved on the upper welding part 101 and a lower fixing cylinder 2 sleeved on the lower welding part 102, the butt end surfaces of the upper welding part 101 and the lower welding part 102 are set as welding points 6; the upper fixing cylinder 1 and the lower fixing cylinder 2 are set as fixing cylinders separated up and down; and the upper fixing cylinder 1 and the lower fixing cylinder 2 are both set as two semi-cylindrical structures, and a hinge 3 is set at one end, and a locking part 4 is set at the other end.

[0025] The upper fixed cylinder 1 and the lower fixed cylinder 2 are also provided with evenly spaced thread grooves 11, which are placed vertically, and a corresponding threaded pressure rod 13 is installed in each threaded groove 11, and the tail end of the threaded pressure rod 13 is correspondingly connected to a connecting rod 12, which extends outward to the outside of the cylinder body, and the inner threaded pressure rod 13 is driven to rotate and press against the outer wall of the weldment by rotating the connecting rod 12.

[0026] The upper fixed cylinder 1 and the lower fixed cylinder 2 are also equipped with spring seats 5 protruding outward on the cylinder walls, and the positions of the spring seats 5 on the upper fixed cylinder 1 and the lower fixed cylinder 2 are corresponding. The upper fixed cylinder 1 is located above the welding point 6, and the lower fixed cylinder 2 is located below the welding point 6. Fixed tension springs 7 are correspondingly installed between the upper and lower spring seats 5, and the upper fixed cylinder 1 and the lower fixed cylinder 2 are tightened and fixed above and below the welding point 6 through the fixed tension springs 7.

[0027] The device comprises an upper fixed cylinder and a lower fixed cylinder, and the two fixed cylinders are both arranged to be a hinged semicircular cylinder structure, and a spring seat is arranged on the outer wall of the cylinder, the positions of the spring seats on the upper and lower fixed cylinders are corresponding, and a fixed tension spring is installed between the corresponding spring seats. During specific work, the upper fixed cylinder and the lower fixed cylinder are opened correspondingly, the upper fixed cylinder is mounted on the upper welding part, the lower fixed cylinder is welded to the lower welding part, and the threaded pressure rods inside the two fixed cylinders are correspondingly pressed on the outer wall of the fixed cylinder. Usually, the outer wall of the steel structure is uneven or the friction coefficient is large, so the threaded pressure rod can be pressed on the fixed cylinder more stably, but the steel structure with a smoother surface is not applicable; the upper and lower welding parts are pressed by the internal threaded pressure rods, and are tightened and fixed by the fixed tension springs between the fixed cylinders in the upper and lower directions, thereby fixing the position of the welding point, positioning the welding end face, and the structure is reasonable and stable.

[0028] Four spring seats 5 are respectively arranged on the upper fixing cylinder 1 and the lower fixing cylinder 2 , and four fixed tension springs 7 are correspondingly arranged.

[0029] The spring seat 5 can move up and down on the outer wall of the fixed cylinder; a vertical slide groove 8 is also provided on the outer wall of the fixed cylinder, and a slider 9 extending into the vertical slide groove 8 is correspondingly installed on the spring seat 5. The slider 9 can move up and down and is correspondingly fixed in the vertical slide groove 8.

[0030] A vertical row of limiting grooves 10 is also provided on the vertical slide groove 8 at the outer wall of the fixed cylinder. When the slider 9 slides up and down in the vertical slide groove 8, the slider 9 can be placed in the limiting groove 10 accordingly, thereby fixing the slider 9 and the spring seat 5.

[0031] There are five evenly spaced limiting grooves 10 on each vertical slide groove 8 .

[0032] The device further configures the spring seat as a structure that can adjust the upper and lower positions. A vertical slide groove is further provided on the outer wall of the upper and lower fixed cylinders in the device, and a slider is provided on the spring seat. The slider is embedded in the slide groove, and the slider can move up and down with the spring seat. A limiting groove is also provided on the vertical slide groove. When the slider moves up and down to the position of the limiting groove, it can be directly embedded in the limiting groove. Then, the upper and lower fixed cylinders are first placed at the positions of the upper and lower branches, and then the position of the spring seat is adjusted so that the fixed tension spring in the middle generates a certain tension to tighten and fix the two fixed cylinders together. Through the spring seat that can adjust the upper and lower positions, on the one hand, the pulling force can be adjusted; on the other hand, it is used in conjunction with the internal threaded pressure rod to prevent the threaded pressure rod from being unable to press the internal welded parts due to the large pulling force, and the structure is reasonable.

[0033] Four thread grooves 11 are correspondingly arranged in the upper fixed cylinder 1 and the lower fixed cylinder 2 , and two thread grooves 11 are arranged in each semi-cylinder; and a manual rotating plate 14 is also installed at the end of the connecting rod 12 .

[0034] The device is very convenient to use and disassemble. When tightening and fixing, just adjust the threaded pressure rod and put the fixing sleeve on the welding part; and when disassembling, it is also very convenient to loosen the threaded rod and separate the fixing sleeve, which is convenient to disassemble and use.

[0035] The above-mentioned specific implementation mode is only a preferred embodiment of the present invention and is not intended to limit the implementation of the present invention and the scope of the claims. All equivalent changes and modifications made according to the content of the patent protection scope of the present invention should be included in the scope of the patent application of the present invention.

Claims

1. A steel structure welding fixture, Features: The invention comprises an upper welding part (101) and a lower welding part (102), and an upper fixing cylinder (1) sleeved on the upper welding part (101) and a lower fixing cylinder (2) sleeved on the lower welding part (102), wherein the butt joint end surfaces of the upper welding part (101) and the lower welding part (102) are arranged as welding points (6); the upper fixing cylinder (1) and the lower fixing cylinder (2) are arranged as fixing cylinders separated from each other; and the upper fixing cylinder (1) and the lower fixing cylinder (2) are arranged as two semi-cylindrical structures, and a hinged part (3) is arranged at one end, and a locking part (4) is arranged at the other end; The upper fixed cylinder (1) and the lower fixed cylinder (2) are also provided with evenly spaced thread grooves (11) inside, the thread grooves (11) are placed vertically, and a corresponding threaded pressure rod (13) is installed in each thread groove (11), and the tail end of the threaded pressure rod (13) is correspondingly connected to a connecting rod (12), and the connecting rod (12) extends outward to the outside of the cylinder body, and the threaded pressure rod (13) inside is driven to rotate and press against the outer wall of the weldment by rotating the connecting rod (12); The upper fixed cylinder (1) and the lower fixed cylinder (2) are both provided with spring seats (5) protruding outwardly at the cylinder walls, and the positions of the spring seats (5) on the upper fixed cylinder (1) and the lower fixed cylinder (2) are corresponding, the upper fixed cylinder (1) is located above the welding point (6), and the lower fixed cylinder (2) is located below the welding point (6), and fixed tension springs (7) are correspondingly installed between the upper and lower spring seats (5), and the upper fixed cylinder (1) and the lower fixed cylinder (2) are tightened and fixed above and below the welding point (6) by the fixed tension springs (7).

2. A steel structure welding and fixing device according to claim 1, Features: The upper fixed cylinder (1) and the lower fixed cylinder (2) are each provided with four spring seats (5), and four fixed tension springs (7) are correspondingly provided.

3. A steel structure welding and fixing device according to claim 1, Features: The spring seat (5) can move up and down on the outer wall of the fixed cylinder; a vertical slide groove (8) is also provided on the outer wall of the fixed cylinder, and a slider (9) extending into the vertical slide groove (8) is correspondingly installed on the spring seat (5); the slider (9) can move up and down and is correspondingly fixed in the vertical slide groove (8).

4. A steel structure welding and fixing device according to claim 3, Features: A row of vertical limiting grooves (10) is also provided on the vertical slide groove (8) on the outer wall of the fixed cylinder. When the slider (9) slides up and down in the vertical slide groove (8), the slider (9) can be placed in the limiting groove (10) accordingly, thereby fixing the slider (9) and the spring seat (5).

5. A steel structure welding and fixing device according to claim 4, Features: Five limiting grooves (10) are correspondingly arranged at even intervals on each vertical slide groove (8).

6. A steel structure welding and fixing device according to claim 1, Features: The upper fixed cylinder (1) and the lower fixed cylinder (2) are respectively provided with four thread grooves (11), and each semi-cylinder is provided with two thread grooves (11); and a manual rotating plate (14) is also installed at the end of the connecting rod (12).

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