Large-span truss structure welding operation table

Abstract

The utility model discloses a welding operation table for a large-span truss structure, which belongs to the technical field of welding of truss structures, aims at solving the problems that the welding operation table in the prior art is lack of protection, welding slag and tools are easy to fall off in the operation process, and certain potential safety hazards exist, and comprises a connecting arm, a connecting frame and a connecting rod, the connecting frame is fixedly mounted at the end part of the connecting arm; in the welding process, welding slag chippings falling in the welding process are protected through the flame-retardant woven fabric, so that the welding slag chippings are conveniently stored, meanwhile, tools used in the welding process can be protected through the flame-retardant woven fabric, the situation that the construction efficiency is influenced by falling of the tools is avoided, and the working personnel can conveniently carry out welding through the adjustable protection mechanism. According to the flame-retardant woven fabric winding device, the function of adjusting and winding flame-retardant woven fabric is achieved, the flame-retardant woven fabric can be conveniently stored when the device is not used, an inserting rod can be pulled to be separated from a T-shaped clamping block, and therefore a connecting roller can be conveniently detached.

Description

Technical Field

[0001] The utility model belongs to the technical field of truss structure welding, and in particular relates to a large-span truss structure welding operating table. Background Art

[0002] The long-span truss structure is a spatial structural system. The truss structure is composed of multiple rods connected by nodes in a certain grid form. This structure is widely used in large-space buildings such as large stadiums, exhibition halls, and airport terminals; the truss structure has the advantages of good force performance and high spatial rigidity.

[0003] In the prior art, when constructing a truss structure, especially when welding multiple rods, the work platform and the workers can be sent to the specified height and position through an aerial work vehicle, and then the truss structure can be welded. However, the workers lack protection when performing welding operations, which causes welding slag to fall during the welding operation. At the same time, welding tools may fall during the welding operation, which poses certain safety hazards.

[0004] Therefore, a large-span truss structure welding operation table is needed to solve the problem in the prior art that the welding operation table lacks protection, welding slag and tools are easy to fall during operation, and there are certain safety hazards. Utility Model Content

[0005] The utility model aims to provide a large-span truss structure welding operation table to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a large-span truss structure welding operation table, including a connecting arm, and also including:

[0007] A connecting frame, the connecting frame is fixedly mounted on the end of the connecting arm, a bottom plate is fixedly mounted on the top surface of the connecting frame, a first grid plate is fixed on one side of the top surface of the bottom plate, second grid plates are fixed on the other two sides of the top surface of the bottom plate, and a welding platform is provided on the top surface of the bottom plate;

[0008] The slide groove is opened on one side of the bottom plate, a fixing rod is fixed on the inner wall of the slide groove, and the outer surface sliding sleeve of the fixing rod is provided with two symmetrically distributed sliding seats, and an adjustable protective mechanism is arranged between the two sliding seats.

[0009] It should be noted that the adjustable protection mechanism includes:

[0010] Connecting rollers, two connecting rollers are provided and located on one side of the two slides, a T-shaped slot is provided on the side close to the two slides, a T-shaped block is clamped on the inner wall of the T-shaped slot, the two connecting rollers are respectively rotatably mounted on the ends of the T-shaped block, and a flame-retardant woven fabric is fixed between the two connecting rollers;

[0011] A limiting component is arranged on the top surface of the slide and cooperates with the T-shaped block. The T-shaped block is limited by the limiting component. The top surface of the bottom plate is provided with a rotating component that cooperates with the connecting roller.

[0012] It is further worth noting that the limit assembly includes:

[0013] A U-shaped mounting plate, the U-shaped mounting plate is fixed to the top surface of the slide seat, a plug rod is movably penetrated through the top surface of the U-shaped mounting plate, and the bottom end of the plug rod is plugged into the T-shaped block;

[0014] A connecting block, the connecting block is fixedly sleeved on the outer surface of the insertion rod, the outer surface of the insertion rod is sleeved with a spring, the top end of the spring is fixed to the inner side of the U-shaped mounting plate, the bottom end of the spring is fixed to the top surface of the connecting block, a clamping rod is fixed to the outer surface of the connecting block, and a plurality of rectangular through holes matching the clamping rods are evenly opened on the top surface of the bottom plate.

[0015] It should be further explained that the rotating assembly includes:

[0016] The rack frame is fixed to one side of the top surface of the bottom plate, and the outer surfaces of the two connecting rollers are fixedly sleeved with gear rings, and the two gear rings are meshed with the rack frame for transmission.

[0017] As a preferred implementation, a pull ring is fixed to the top end of the insertion rod.

[0018] As a preferred implementation, two protection frames are fixed between the two second grid plates, and the two protection frames are vertically distributed up and down.

[0019] Compared with the prior art, the large-span truss structure welding operation table provided by the utility model has at least the following beneficial effects:

[0020] The workers are protected by the first grid plate and the second grid plate. During the welding process, the welding slag and debris dropped during welding are protected by the flame-retardant woven fabric, thereby facilitating the collection of the welding slag and debris. At the same time, the flame-retardant woven fabric can also protect the tools used in the welding process to prevent the tools from falling and affecting the construction efficiency. The workers can adjust and rewind the flame-retardant woven fabric through the setting of the adjustable protection mechanism, which facilitates the collection of the flame-retardant woven fabric when the device is not in use. The plug rod can also be pulled to disengage the plug rod from the T-shaped block, thereby facilitating the removal of the connecting roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is a structural schematic diagram of another viewing angle of the utility model;

[0023] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0024] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0025] Figure 5 It is a bottom view of the overall structure of the utility model;

[0026] Figure 6 It is a bottom view of the connecting roller, sliding seat and T-shaped clamping block structure of the utility model.

[0027] In the figure: 1, connecting arm; 2, connecting frame; 3, bottom plate; 4, first grid plate; 5, second grid plate; 6, protective frame; 7, flame retardant woven fabric; 8, connecting roller; 9, slide seat; 10, welding table; 11, slide groove; 12, fixing rod; 13, gear ring; 14, T-shaped block; 15, U-shaped mounting plate; 16, pull ring; 17, connecting block; 18, clamping rod; 19, rectangular through hole; 20, plug rod; 21, spring; 22, rack frame. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-6 The utility model provides a large-span truss structure welding operation table, including a connecting arm 1, and also includes:

[0030] A connecting frame 2, the connecting frame 2 is fixedly mounted on the end of the connecting arm 1, a bottom plate 3 is fixedly mounted on the top surface of the connecting frame 2, a first grid plate 4 is fixed on one side of the top surface of the bottom plate 3, and second grid plates 5 are fixed on both sides of the top surface of the bottom plate 3, and a welding platform 10 is provided on the top surface of the bottom plate 3;

[0031] A slide groove 11 is provided on one side of the bottom plate 3. A fixing rod 12 is fixed to the inner wall of the slide groove 11. Two symmetrically distributed slide seats 9 are slidingly sleeved on the outer surface of the fixing rod 12. An adjustable protection mechanism is provided between the two slide seats 9.

[0032] Adjustable guards include:

[0033] Connecting rollers 8, two connecting rollers 8 are provided and located on one side of the two slides 9, a T-shaped slot is provided on the side of the two slides 9 close to each other, a T-shaped block 14 is clamped on the inner wall of the T-shaped slot, the two connecting rollers 8 are rotatably mounted on the ends of the T-shaped block 14, and a flame-retardant woven fabric 7 is fixed between the two connecting rollers 8;

[0034] The limiting component is arranged on the top surface of the slide seat 9 and cooperates with the T-shaped block 14. The T-shaped block 14 is limited by the limiting component. The top surface of the bottom plate 3 is provided with a rotating component that cooperates with the connecting roller 8.

[0035] Further Figure 3 , Figure 4 and Figure 6 As shown, it is worth noting that the limit assembly includes:

[0036] A U-shaped mounting plate 15 is fixed to the top surface of the slide seat 9, and a plug rod 20 is movably penetrated through the top surface of the U-shaped mounting plate 15, and the bottom end of the plug rod 20 is plugged into the T-shaped block 14;

[0037] The connecting block 17 is fixedly sleeved on the outer surface of the plug rod 20, and the outer surface of the plug rod 20 is sleeved with a spring 21. The top end of the spring 21 is fixed to the inner side of the U-shaped mounting plate 15, and the bottom end of the spring 21 is fixed to the top surface of the connecting block 17. The outer surface of the connecting block 17 is fixed with a clamping rod 18, and the top surface of the bottom plate 3 is evenly provided with a plurality of rectangular through holes 19 that match the clamping rod 18.

[0038] It is worth noting that the end of the clamping rod 18 is plugged into the rectangular through hole 19 ; wherein the depth of the bottom end of the plugging rod 20 inserted into the T-shaped clamping block 14 is greater than the depth of the end of the clamping rod 18 inserted into the rectangular through hole 19 .

[0039] Further Figure 3 As shown, it is worth noting that the rotating assembly includes:

[0040] The rack frame 22 is fixed to one side of the top surface of the bottom plate 3 . The outer surfaces of the two connecting rollers 8 are fixedly sleeved with gear rings 13 . The two gear rings 13 are meshed with the rack frame 22 for transmission.

[0041] Further Figure 4 and Figure 5As shown, it is worth explaining in detail that a pull ring 16 is fixed to the top of the insertion rod 20, and the pull ring 16 facilitates the movement of the insertion rod 20; two protective frames 6 are fixed between the two second grid plates 5, and the two protective frames 6 are vertically distributed up and down. The two protective frames 6 are used to protect personnel without affecting the welding operation of the staff.

[0042] This scheme has the following working process: the connecting arm 1 is connected to the aerial work vehicle, and the operating platform is sent to the truss to be welded by the aerial work vehicle. At the same time, the staff stands on the bottom plate 3, and the first grid plate 4 and the second grid plate 5 are used to protect the staff. Then, the welding head on the welding table 10 is used to weld the welding position. During the welding process, the flame-retardant woven fabric 7 is used to protect the welding slag and debris dropped during welding, so as to facilitate the collection of welding slag and debris. At the same time, the flame-retardant woven fabric 7 can also protect the tools used in the welding process to prevent the tools from falling and affecting the construction efficiency. Or when a large protection area is not required, the staff can pull up the insertion rod 20 through the pull ring 16, thereby driving the end of the clamping rod 18 to disengage from the rectangular through hole 19, and then drive the slide 9 to slide on the fixed rod 12 through the pull ring 16, thereby driving the connecting roller 8 to move horizontally, wherein the connecting roller 8 drives the gear ring 13 to roll on the rack frame 22 when moving, thereby driving the connecting roller 8 to rotate, and then adjusting the winding of the flame retardant woven fabric 7, which is convenient for storing the flame retardant woven fabric 7 when the device is not in use, and the insertion rod 20 can also be pulled to make the insertion rod 20 disengage from the T-shaped clamping block 14, thereby facilitating the removal of the connecting roller 8.

[0043] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0044] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A large-span truss structure welding operation table, comprising a connecting arm (1), characterized in that: Also includes: A connecting frame (2), the connecting frame (2) being fixedly mounted on an end of the connecting arm (1), a bottom plate (3) being fixedly mounted on the top surface of the connecting frame (2), a first grid plate (4) being fixed on one side of the top surface of the bottom plate (3), second grid plates (5) being fixed on the other two sides of the top surface of the bottom plate (3), and a welding platform (10) being provided on the top surface of the bottom plate (3); A slide groove (11), the slide groove (11) is opened on one side of the bottom plate (3), a fixing rod (12) is fixed to the inner wall of the slide groove (11), and the outer surface of the fixing rod (12) is slidably sleeved with two symmetrically distributed slide seats (9), and an adjustable protective mechanism is arranged between the two slide seats (9); The adjustable protection mechanism comprises: Connecting rollers (8), two connecting rollers (8) are provided and are located on one side of the two slide seats (9), a T-shaped slot is provided on the side of the two slide seats (9) close to each other, a T-shaped block (14) is clamped on the inner wall of the T-shaped slot, the two connecting rollers (8) are rotatably mounted on the ends of the T-shaped block (14), and a flame-retardant woven fabric (7) is fixed between the two connecting rollers (8); A limit assembly is provided on the top surface of the slide seat (9) and cooperates with the T-shaped block (14). The T-shaped block (14) is limited by the limit assembly. The top surface of the bottom plate (3) is provided with a rotating assembly that cooperates with the connecting roller (8).

2. The large-span truss structure welding operation table according to claim 1, characterized in that: The limiting component comprises: A U-shaped mounting plate (15), the U-shaped mounting plate (15) being fixed to the top surface of the slide seat (9), a plug rod (20) movably passing through the top surface of the U-shaped mounting plate (15), the bottom end of the plug rod (20) being plugged into the T-shaped clamping block (14); A connecting block (17) is fixedly sleeved on the outer surface of the insertion rod (20), the outer surface of the insertion rod (20) is sleeved with a spring (21), the top end of the spring (21) is fixed to the inner side of the U-shaped mounting plate (15), the bottom end of the spring (21) is fixed to the top surface of the connecting block (17), a clamping rod (18) is fixed to the outer surface of the connecting block (17), and a plurality of rectangular through holes (19) matching the clamping rod (18) are evenly opened on the top surface of the bottom plate (3).

3. The large-span truss structure welding operation table according to claim 2, characterized in that: The rotating assembly comprises: A rack frame (22) is fixed to one side of the top surface of the bottom plate (3); the outer surfaces of the two connecting rollers (8) are both fixedly sleeved with toothed rings (13); the two toothed rings (13) are meshed with the rack frame (22) for transmission.

4. The large-span truss structure welding operation table according to claim 2, characterized in that: A pull ring (16) is fixed to the top end of the insertion rod (20).

5. The large-span truss structure welding operation table according to claim 1, characterized in that: Two protection frames (6) are fixed between the two second grid plates (5), and the two protection frames (6) are vertically distributed up and down.

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