Auxiliary welding device for steel structure net rack

Abstract

The utility model relates to the technical field of net rack welding, and discloses a steel structure net rack welding auxiliary device which comprises a bottom frame, a lifting rod and an adjusting assembly, the bottom end of the lifting rod is rotationally connected with the bottom frame, the adjusting assembly is installed between the lifting rod and the bottom frame, and the distance between the top end of the lifting rod and the bottom frame is adjusted through the adjusting assembly. A bearing part is arranged on the surface, close to the top end, of the lifting rod, the net rack rod piece can be carried on the bearing part, and the lifting rod and the bottom frame can be folded and stored. In the whole using process, a user can place the whole device below a to-be-welded net rack rod piece, then the bearing part on the lifting rod is tightly attached to the to-be-welded net rack rod piece through the adjusting assembly for supporting, and compared with the prior art, the whole device supports the to-be-welded net rack rod piece on the ground, so that the to-be-welded net rack rod piece is convenient to use. And a rod piece combined structure is adopted, so that movement and height adjustment are facilitated, and use is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of grid welding, and more specifically to a steel structure grid welding auxiliary device. Background Art

[0002] Steel structure grid is a form of building structure. It consists of many rods connected by nodes according to a certain geometric shape to form a stable spatial structure. It is widely used in large public buildings such as stadiums, exhibition halls, airport terminals, industrial plants, etc.

[0003] During the construction of steel structure grids, welding is sometimes required to fix grid members or connection nodes. In this case, welding auxiliary equipment is needed to fix or limit the members to be welded before welding at the joints. Currently, most conventional welding auxiliary devices use cranes to hold the members to be welded before welding. Although this auxiliary device is simple and convenient, it still has certain defects, namely:

[0004] Cranes are relatively large, occupy more construction sites, and are more expensive, while small cranes need to be hung high up, which makes it difficult to move when the welding position needs to be changed. Overall, their use still has certain limitations. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a steel structure grid welding auxiliary device to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a steel structure grid welding auxiliary device, comprising: a base frame, a lifting rod and an adjusting assembly, the bottom end of the lifting rod is rotatably connected to the base frame, the adjusting assembly is installed between the lifting rod and the base frame, and the distance between the top end of the lifting rod and the base frame is adjusted by the adjusting assembly, a bearing portion is provided on the surface of the lifting rod near the top end, the grid rod can be mounted on the bearing portion, and the lifting rod and the base frame can be folded and stored.

[0007] Furthermore, the adjustment assembly includes a sleeve and a telescopic screw, the telescopic screw thread is inserted into the end of the sleeve, the end of the sleeve away from the telescopic screw is rotatably connected to the lifting rod, the end of the telescopic screw away from the sleeve is rotatably connected to the base frame, and a drive nut is fixedly installed on the surface of the telescopic screw, and the drive nut is installed at the end of the telescopic screw away from the sleeve.

[0008] Furthermore, the bearing part includes a mounting seat and a bearing frame. The mounting seat is fixedly mounted on the surface of the lifting rod, the bearing frame is "Y"-shaped, and the truss rod can be engaged in the "Y"-shaped opening of the bearing frame. The end of the bearing frame away from the "Y"-shaped opening is rotatably connected to the mounting seat.

[0009] Furthermore, the base frame includes a connecting seat, a foot rod, a connecting plate and a folding assembly. The bottom end of the lifting rod is rotatably connected to the upper surface of the connecting seat. The connecting plate is fixedly installed on the side of the connecting seat. There are two foot rods, and the connecting plate is rotatably connected to one end of the two foot rods at the same time. The folding assembly is arranged between the ends of the two foot rods away from the connecting plate, and the two foot rods are fixed by the folding assembly. The end of the adjustment assembly away from the lifting rod is connected to the folding assembly.

[0010] Furthermore, the folding assembly includes a support seat, a connecting rod and a fixing assembly. There are two connecting rods, and one end of the two connecting rods is respectively connected to the side surfaces of the two foot rods, and the other end is respectively connected to the two sides of the support seat. The end of the adjustment assembly away from the lifting rod is connected to the support seat, and the fixing assembly is connected between the connecting rod and the foot rod, and the connecting rod is fixed by the fixing assembly.

[0011] Furthermore, the fixing assembly includes a fixing rod and a pin shaft. There are two fixing rods, and one end of the two fixing rods is rotatably connected to the upper surface of the two foot rods, and the other end is rotatably connected to the surface of the two connecting rods through the pin shaft, and the pin shaft is pluggable.

[0012] Furthermore, the bottom surfaces of the connecting seat, the foot rod and the supporting seat are all processed with anti-slip grooves.

[0013] The technical effects and advantages of this utility model are:

[0014] 1. In the utility model, during the entire use process, the user can place the entire device under the grid rod to be welded, and then adjust the assembly to make the bearing part on the lifting rod close to the grid rod to be welded for support. In comparison, the entire device supports the grid rod to be welded on the ground, and it is a combined structure of rods, which is easy to move and adjust the height, and is more convenient to use.

[0015] 2. The utility model, since the entire device is composed of rods, not only has a simple structure and low cost, but also can shrink and fold the lifting rod and the base frame together when transporting, thereby reducing the transport space and further facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0018] Figure 3 This is a schematic diagram of the split structure of the utility model;

[0019] Figure 4 It is a folding schematic diagram of the utility model.

[0020] The accompanying drawings are marked as follows: 1. Base frame; 2. Lifting rod; 3. Sleeve; 4. Telescopic screw; 5. Drive nut; 6. Mounting seat; 7. Carrying frame; 8. Connecting seat; 9. Foot rod; 10. Connecting plate; 11. Support seat; 12. Connecting rod; 13. Fixing rod; 14. Pin shaft; 15. Anti-slip groove. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with specific embodiments. However, people familiar with the art should understand that the detailed description given here in conjunction with the drawings is for better explanation, and the structure of the present invention must go beyond these limited embodiments. For some equivalent replacement solutions or common means, they will not be described in detail herein, but they still fall within the scope of protection of this application.

[0022] Figure 1-4 This is the best embodiment of the present invention, Figure 1-4 The utility model is further described.

[0023] A steel structure grid welding auxiliary device includes: a base frame 1, a lifting rod 2 and an adjustment component. The bottom end of the lifting rod 2 is rotatably connected to the base frame 1. The adjustment component is installed between the lifting rod 2 and the base frame 1, and the distance between the top end of the lifting rod 2 and the base frame 1 is adjusted by the adjustment component. A bearing portion is provided on the surface of the lifting rod 2 near the top end, and the grid rod can be mounted on the bearing portion. The lifting rod 2 and the base frame 1 can be folded and stored.

[0024] When in use, first move the entire device to the bottom of the grid rod to be welded, then rotate the lifting rod 2 to raise its top end. During this process, the lifting rod 2 will expand the base frame 1 through the adjustment component to support the adjustment component, thereby supporting the lifting rod 2.

[0025] The adjusting assembly includes a sleeve 3 and a telescopic screw 4. The telescopic screw 4 is threadedly inserted into the end of the sleeve 3. The end of the sleeve 3 away from the telescopic screw 4 is rotatably connected to the lifting rod 2. The end of the telescopic screw 4 away from the sleeve 3 is rotatably connected to the base frame 1. A driving nut 5 is fixedly installed on the surface of the telescopic screw 4, and the driving nut 5 is installed on the end of the telescopic screw 4 away from the sleeve 3. In this way, it is only necessary to rotate the driving nut 5 with an external wrench to drive the telescopic screw 4 to rotate, and then adjust the matching length of the sleeve 3 and the telescopic screw 4, thereby adjusting the height of the lifting rod 2 to fit with the truss rod that needs to be welded.

[0026] The bearing part includes a mounting seat 6 and a bearing frame 7. The mounting seat 6 is fixedly installed on the surface of the lifting rod 2. The bearing frame 7 is "Y"-shaped, and the truss rod can be engaged in the "Y"-shaped opening of the bearing frame 7. The end of the bearing frame 7 away from the "Y"-shaped opening is rotatably connected to the mounting seat 6. In this way, the bearing frame 7 can be rotated to adapt to the engagement requirements of multiple angles.

[0027] The base frame 1 includes a connecting seat 8, a foot rod 9, a connecting plate 10 and a folding assembly. The bottom end of the lifting rod 2 is rotatably connected to the upper surface of the connecting seat 8, and the connecting plate 10 is fixedly installed on the side of the connecting seat 8. There are two foot rods 9, and the connecting plate 10 is rotatably connected to one end of the two foot rods 9 at the same time. The folding assembly is arranged between the ends of the two foot rods 9 away from the connecting plate 10, and the two foot rods 9 are fixed by the folding assembly. The end of the adjustment assembly away from the lifting rod 2 is connected to the folding assembly. In this way, the base frame 1 can be opened by simply rotating the two foot rods 9 away from each other through the folding assembly, thereby obtaining sufficient support area.

[0028] The folding assembly includes a support base 11, a connecting rod 12 and a fixing assembly. There are two connecting rods 12, and one end of the two connecting rods 12 is rotatably connected to the side surfaces of the two foot rods 9, and the other ends are rotatably connected to both sides of the support base 11. The end of the adjusting assembly away from the lifting rod 2 is connected to the support base 11, and the fixing assembly is connected between the connecting rod 12 and the foot rod 9, and the connecting rod 12 is fixed by the fixing assembly. In this way, only the support base 11 needs to be moved to drive the connecting rod 12 to move, thereby realizing the rotation of the two foot rods 9. It should be noted that the bottom end of the telescopic screw 4 is rotatably connected to the support base 11, that is, the telescopic screw 4 can rotate by itself or rotate around the support base 11.

[0029] The fixing assembly includes a fixing rod 13 and a pin 14. There are two fixing rods 13, and one end of the two fixing rods 13 is rotatably connected to the upper surface of the two foot rods 9 respectively, and the other end is rotatably connected to the surface of the two connecting rods 12 respectively through the pin 14, and the pin 14 is pluggable. In this way, it is only necessary to rotatably connect the end of the fixing rod 13 away from the foot rod 9 to the surface of the connecting rod 12 through the pin 14 (that is, the pin 14 is used to pass through the holes on the surface of the fixing rod 13 and the connecting rod 12 at the same time) to achieve the fixation of the mechanism after the base frame 1 is unfolded.

[0030] The bottom surfaces of the connecting seat 8, the foot rod 9 and the supporting seat 11 are all processed with anti-slip grooves 15, so as to increase the stability of the base frame 1 in contact with the ground.

[0031] Therefore, the complete usage process is to first move the entire device to the bottom of the truss rod to be welded, and then rotate the lifting rod 2 to raise its top. During this process, the lifting rod 2 will drive the support seat 11 to move through the sleeve 3 and the telescopic screw 4, and then drive the connecting rod 12 to rotate, so that the foot rod 9 rotates, and then the base frame 1 is unfolded. Then, the end of the fixing rod 13 away from the foot rod 9 is rotated and connected to the surface of the connecting rod 12 through the pin 14 (that is, the pin 14 is used to pass through the holes on the surface of the fixing rod 13 and the connecting rod 12 at the same time), so that the entire device can be unfolded. Afterwards, the user can use an external wrench to rotate the drive nut 5 to drive the telescopic screw 4 to rotate, and then adjust the matching length of the sleeve 3 and the telescopic screw 4, so as to adjust the height of the lifting rod 2 until the support frame 7 is in contact with the truss rod to be welded to achieve support. At this time, the connection of the truss rod can be welded.

[0032] In summary, during the entire use process, the user can place the entire device under the truss rod to be welded, and then adjust the assembly to make the bearing part on the lifting rod 2 close to the truss rod to be welded for support. In comparison, the entire device supports the truss rod to be welded on the ground, and is a rod combination structure, which is easy to move and adjust the height, and is more convenient to use.

[0033] At the same time, since the entire device is composed of rods, it not only has a simple structure and low cost, but also can be folded together with the lifting rod 2 and the base frame 1 during transportation, thereby reducing the transportation space and further facilitating use.

[0034] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation thereto. Any person skilled in the art may utilize the above disclosure to modify or remodel the present invention into equivalent embodiments. However, any simple modification, equivalent variation, or modification of the above embodiment that does not depart from the technical content of the present invention and is based on the technical essence of the present invention shall still fall within the scope of protection of the present invention.

Claims

1. A steel structure grid welding auxiliary device, characterized in that: include: A base frame (1), a lifting rod (2) and an adjustment assembly, wherein the bottom end of the lifting rod (2) is rotatably connected to the base frame (1), the adjustment assembly is installed between the lifting rod (2) and the base frame (1), and the distance between the top end of the lifting rod (2) and the base frame (1) is adjusted by the adjustment assembly, a bearing portion is provided on the surface of the lifting rod (2) near the top end, the grid rod can be mounted on the bearing portion, and the lifting rod (2) and the base frame (1) can be folded and stored.

2. A steel structure grid welding auxiliary device according to claim 1, characterized in that: The adjustment assembly comprises a sleeve (3) and a telescopic screw (4); the telescopic screw (4) is threadedly inserted into the end of the sleeve (3); the end of the sleeve (3) away from the telescopic screw (4) is rotationally connected to the lifting rod (2); the end of the telescopic screw (4) away from the sleeve (3) is rotationally connected to the base frame (1); a driving nut (5) is fixedly installed on the surface of the telescopic screw (4), and the driving nut (5) is installed at the end of the telescopic screw (4) away from the sleeve (3).

3. The steel structure grid welding auxiliary device according to claim 1, characterized in that: The bearing portion comprises a mounting seat (6) and a bearing frame (7), wherein the mounting seat (6) is fixedly mounted on the surface of the lifting rod (2), the bearing frame (7) is in a "Y" shape, and the grid rod can be engaged in the "Y"-shaped opening of the bearing frame (7), and the end of the bearing frame (7) away from the "Y"-shaped opening is rotatably connected to the mounting seat (6).

4. The steel structure grid welding auxiliary device according to claim 1, characterized in that: The base frame (1) comprises a connecting seat (8), a foot rod (9), a connecting plate (10) and a folding assembly. The bottom end of the lifting rod (2) is rotatably connected to the upper surface of the connecting seat (8). The connecting plate (10) is fixedly installed on the side of the connecting seat (8). There are two foot rods (9), and the connecting plate (10) is rotatably connected to one end of the two foot rods (9) at the same time. The folding assembly is arranged between the ends of the two foot rods (9) away from the connecting plate (10), and the two foot rods (9) are fixed by the folding assembly. The end of the adjustment assembly away from the lifting rod (2) is connected to the folding assembly.

5. The steel structure grid welding auxiliary device according to claim 4, characterized in that: The folding assembly comprises a support seat (11), a connecting rod (12) and a fixing assembly, wherein there are two connecting rods (12), and one end of the two connecting rods (12) is respectively connected to the side of the two foot rods (9), and the other end is respectively connected to the two sides of the support seat (11). The end of the adjustment assembly away from the lifting rod (2) is connected to the support seat (11), and the fixing assembly is connected between the connecting rod (12) and the foot rod (9), and the connecting rod (12) is fixed by the fixing assembly.

6. The steel structure grid welding auxiliary device according to claim 5, characterized in that: The fixing assembly comprises a fixing rod (13) and a pin (14). There are two fixing rods (13), and one end of the two fixing rods (13) is respectively rotatably connected to the upper surface of the two foot rods (9), and the other end is respectively rotatably connected to the surface of the two connecting rods (12) through the pin (14), and the pin (14) is pluggable.

7. A steel structure grid welding auxiliary device according to claim 5 or 6, characterized in that: The bottom surfaces of the connecting seat (8), the foot rod (9) and the supporting seat (11) are all processed with anti-slip grooves (15).

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