Welding device for green building construction

Abstract

The invention relates to a welding device for green building construction, which is applied to the technical field of building construction, and comprises a pair of welding tables and a pair of pressing, clamping and fixing mechanisms, a connecting seat is fixedly connected between the pair of welding tables, the top end of the connecting seat is lower than the top ends of the welding tables, and the pair of pressing, clamping and fixing mechanisms respectively correspond to the pair of welding tables. The pressing, clamping and fixing mechanism comprises a supporting linkage barrel located above the welding table, the bottom end of the supporting linkage barrel is arranged to be in an opening shape, the inner side of the supporting linkage barrel is rotationally connected with a pair of pressing and clamping bases, and an up-regulation air cylinder is fixedly installed on the inner wall of the top end of the supporting linkage barrel; the pressing and clamping firmware mechanism can be adaptively adjusted according to the shape and the size of the building component to be welded, can be suitable for fixing and welding of various building components of different shapes and sizes, and is good in fixing effect, the component is not prone to moving in the welding process, the limitation of the welding device is greatly reduced, and the practicability of the welding device is greatly improved.

Description

Technical Field

[0001] The invention relates to a welding device, in particular to a welding device for green building construction applied in the technical field of building construction. Background Art

[0002] Green buildings refer to buildings that maximize resource conservation, protect the environment, and reduce pollution throughout their life cycle, provide people with healthy, applicable, and efficient use spaces, and coexist harmoniously with nature. During the construction of green buildings, the actual conditions at the construction site may deviate from the design to a certain extent, and it is often necessary to adjust and connect the building components in real time through welding according to the actual conditions.

[0003] The invention patent with publication number CN116571928B discloses a construction welding device and its use method, which can effectively solve the technical problem that the existing welding device is extremely dependent on the active correction of the welding master during the welding process when performing vertical rapid welding of steel bars or hollow pipes, resulting in increased workload and reduced work efficiency.

[0004] The invention patent with publication number CN117324843B discloses a welding device for steel structure construction, which can stably fix steel pipes during welding and flexibly adjust the angles of the steel pipes on both sides, thereby avoiding welding errors between steel pipes and ensuring welding quality.

[0005] In the construction process of green buildings, there are many kinds of building components that may need to be welded, such as steel plates, steel pipes, steel bars, etc. These components have different shapes and sizes. When welding, the fixation of the components is very critical. Once the components move during the welding process, it will greatly affect the welding quality. However, the welding devices in the prior art have great limitations when fixing building components of different shapes and sizes. They cannot be flexibly adjusted according to the shape and size of the components, or different clamps need to be replaced to fix components of different shapes and sizes, which is very troublesome and has poor practicality. Therefore, we propose a welding device for green building construction. Summary of the invention

[0006] In view of the above-mentioned prior art, the technical problem to be solved by the present invention is that the welding device in the prior art has great limitations when fixing building components of different shapes and sizes.

[0007] In order to solve the above problems, the present invention provides a welding device for green building construction, including a pair of welding tables and a pair of pressing card fixing mechanisms, a connecting seat is fixedly connected between the pair of welding tables, the top of the connecting seat is lower than the top of the welding table, the pair of pressing card fixing mechanisms correspond to the pair of welding tables respectively, and the pressing card fixing mechanism includes a supporting linkage cylinder located above the welding table, the bottom end of the supporting linkage cylinder is set to an opening shape, the inner side of the supporting linkage cylinder is rotatably connected to a pair of pressing card seats, and an upward adjustment cylinder is fixedly installed on the inner wall of the top end of the supporting linkage cylinder. The output end of the cylinder is fixedly connected with a card seat cover, the bottom end of the card seat cover is set to an open shape, and the card seat cover is set on the outside of a pair of card pressing seats, the card pressing seats are set to be a right-angled trapezoidal shape with a thin top and a thick bottom, and the ends of the pair of card pressing seats that are far away from each other are both against the inner wall of the card seat cover, and the end of the card pressing seat that is against the inner wall of the card seat cover is its inclined end, the bottom end of the card pressing seat is lower than the bottom end of the card seat cover, and the bottom end of the card seat cover is lower than the bottom end of the supporting linkage cylinder, and the card pressing firmware mechanism also includes a hydraulic cylinder fixedly installed on the connecting seat, and the output end of the hydraulic cylinder is fixedly connected to the supporting linkage cylinder.

[0008] In the above-mentioned welding device for green building construction, the clamping fixture mechanism can be adaptively adjusted according to the shape and size of the building components to be welded, and can be used for the fixation and welding of building components of various shapes and sizes, which greatly reduces the limitations of the welding device and greatly improves the practicality of the welding device.

[0009] As a further improvement of the present application, a limit block fixedly mounted on the inner wall of the supporting linkage cylinder is provided between a pair of pressing seats, and the two ends of the limit block are respectively abutted against the two pressing seats, and the limit block can play a limiting role.

[0010] As another improvement of the present application, the welding table is a box-type structure with a cavity inside, a U-shaped rough part insertion slot is provided in the middle of the top end of the welding table, a downward adjustment cylinder is fixedly installed in the welding table, a matching slot-filling seat is provided on the inner side of the rough part insertion slot, and a fine part insertion slot is provided in the middle of the top end of the slot-filling seat.

[0011] As another improvement supplement to the present application, the output end of the lowering cylinder is fixedly connected to the bottom end of the slot filling seat, the slot filling seat is slidably connected to the rough component insertion slot, and the top of the slot filling seat is flush with the top of the welding table, and a pair of pressing seats are symmetrical about the fine component insertion slot, so that when welding circular building components, not only can the fixing effect be further improved, but also adaptive adjustment can be further performed according to the size of the component.

[0012] As another improvement of the present application, an elastic balloon is arranged between a pair of card pressing seats, an air guide hose is connected to the elastic balloon, a linkage piston plate is arranged on the inner side of the supporting linkage cylinder which is slidingly and sealingly connected to the linkage piston plate, the card pressing seat cover passes through the linkage piston plate and is sealed and fixedly connected to the linkage piston plate, one end of the air guide hose away from the elastic balloon passes through the top outer wall of the card pressing seat cover, and extends to be connected to the area above the linkage piston plate, so that the card pressing seat can swing automatically, and the staff does not need to manually swing the card pressing seat, thereby improving convenience.

[0013] As another improvement in the present application, the welding device also includes a combined jet assembly, which includes an air storage box located between two supporting linkage cylinders, the bottom end of the air storage box is connected to an air outlet pipe, the end of the air outlet pipe away from the air storage box is connected to a jet gun, the outer walls on the left and right sides of the air storage box are connected to air inlet pipes, the ends of the two air inlet pipes away from the air storage box are respectively connected to the two supporting linkage cylinders, a push plate is provided in the air storage box which is slidably and sealedly connected to the push plate, a spring is fixedly connected between the push plate and the top inner wall of the air storage box, and the air inlet pipe is located below the push plate.

[0014] As another improvement supplement to the present application, an air intake pipe is connected to the outer wall of the top end of the support linkage cylinder, and an air intake one-way valve is connected to the top end of the air intake pipe. The one-way conduction direction of the air intake one-way valve is from the outside of the support linkage cylinder to the inside of the support linkage cylinder.

[0015] As another improvement supplement to the present application, an intake check valve is provided on the intake pipe, and the one-way conduction direction of the intake check valve is from the inside of the supporting linkage cylinder to the inside of the air storage box.

[0016] As another improvement supplement to the present application, a plurality of air guide holes are provided on the top outer wall of the air storage box, so that the air can flow more easily from the supporting linkage cylinder into the air storage box. A gun socket for placing the spray gun is fixedly installed on the outer wall of the air storage box. The spray gun is movably connected to the gun socket, so that the spray gun is easy to place and use.

[0017] In summary, the present application sets a pressing fixture mechanism so that the pressing fixture mechanism can be adaptively adjusted according to the shape and size of the building component to be welded, and can be applicable to the fixing and welding of building components of various shapes and sizes, and has a good fixing effect. The component is not easy to move during the welding process, which greatly reduces the limitations of the welding device and greatly improves the practicality of the welding device; through the joint setting of the coarse piece card slot, the lowering cylinder, etc., when welding the circular building component, not only the fixing effect can be further improved, but also the adaptive adjustment can be further performed according to the size of the component, which further improves the practicality of the welding device; through the setting of the elastic balloon, the air guide hose, and the linkage piston plate, the pressing seat can be automatically swung, and the staff does not need to manually swing the pressing seat, which improves the convenience; through the setting of the joint jet assembly, the joint setting of the linkage piston plate, the joint jet assembly, etc., when the upper adjustment cylinder drives the seat cover to move upward for adjustment, air can also be filled into the air storage box, and then the airflow can be sprayed directionally through the jet gun, and the airflow can be used to cool the welding place, clean the welding place, etc., which further improves the practicality of the welding device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of a welding device for green building construction in the first embodiment of the present application; Figure 2 This is a schematic diagram of the side view structure of the welding station in the first embodiment of the present application; Figure 3 This is a schematic cross-sectional view of the supporting linkage cylinder in the first embodiment of the present application; Figure 4 This is a pictographic demonstration diagram of fixing building components of different shapes in the first embodiment of the present application; Figure 5 This is a schematic diagram of the three-dimensional structure of a welding device for green building construction in the second embodiment of the present application; Figure 6 This is a schematic cross-sectional view of the welding station in the second embodiment of the present application; Figure 7 This is a pictographic demonstration diagram of fixing circular building components of different diameters in the second embodiment of the present application; Figure 8 This is a front view structural diagram of a welding device for green building construction in the third embodiment of the present application; Fig. 9 This is a schematic cross-sectional view of the supporting linkage cylinder in the third embodiment of the present application; Fig.10 This is a schematic diagram of the cross-sectional structure of the air storage box in the third embodiment of the present application.

[0019] Description of the numbers in the figure: 101. Welding table; 102. Connecting seat; 103. Card slot for thick parts; 104. Lowering cylinder; 105. Slot filling seat; 106. Card slot for thin parts; 201. Support linkage cylinder; 202. Pressing seat; 203. Upper adjustment cylinder; 204. Seat cover; 205. Hydraulic cylinder; 206. Limiting block; 301. Elastic balloon; 302. Air guide hose; 303. Linkage piston plate; 401. Air storage box; 402. Air outlet pipe; 403. Jet gun; 404. Air inlet pipe; 405. Air push plate; 406. Spring; 407. Air intake pipe; 408. Air intake check valve; 409. Air guide hole; 410. Air intake check valve; 411. Gun holster. DETAILED DESCRIPTION

[0020] Three implementation modes of the present application are described in detail below with reference to the accompanying drawings.

[0021] The first implementation method: Figure 1-Figure 4 A welding device for green building construction is shown, comprising a pair of welding tables 101 and a pair of pressing fixture mechanisms, wherein a connecting seat 102 is fixedly connected between the pair of welding tables 101, the top of the connecting seat 102 is lower than the top of the welding table 101, the pair of pressing fixture mechanisms respectively correspond to the pair of welding tables 101, the pressing fixture mechanism comprises a supporting linkage cylinder 201 located above the welding table 101, the bottom end of the supporting linkage cylinder 201 is set to an opening shape, the inner side of the supporting linkage cylinder 201 is rotatably connected to a pair of pressing seats 202, an upward adjustment cylinder 203 is fixedly installed on the inner wall of the top end of the supporting linkage cylinder 201, and the output end of the upward adjustment cylinder 203 is fixedly connected There is a card seat cover 204, the bottom end of the card seat cover 204 is set to an open shape, and the card seat cover 204 is set on the outside of a pair of card pressing seats 202, the card pressing seats 202 are set to be a right-angled trapezoidal shape with a thin top and a thick bottom, and the ends of the pair of card pressing seats 202 that are away from each other are both against the inner wall of the card seat cover 204, and the end of the card pressing seat 202 that is against the inner wall of the card seat cover 204 is its inclined end, the bottom end of the card pressing seat 202 is lower than the bottom end of the card seat cover 204, and the bottom end of the card seat cover 204 is lower than the bottom end of the supporting linkage cylinder 201, and the card pressing firmware mechanism also includes a hydraulic cylinder 205 fixedly installed on the connecting seat 102, and the output end of the hydraulic cylinder 205 is fixedly connected to the supporting linkage cylinder 201.

[0022] When welding building components, for flat-plate, I-shaped and other types of building components (such as steel plates, metal roof panels, I-beams, etc.), such building components can be directly placed on the welding table 101, and then the hydraulic cylinder 205 is controlled to drive the supporting linkage cylinder 201 to move downward until the bottom end of the pressing seat 202 is tightly against the component (see Figure 4The upper part of the building component is fixed, and then welding can be started. The welding adopts the existing technology. Those skilled in the art can choose the appropriate welding method according to the situation. No further details are given here. For circular (including circular tube, cylindrical, etc.), V-shaped and other types of building components (such as steel pipes, angle steels, etc.), according to the size of such building components, the upward adjustment cylinder 203 is started to drive the card seat cover 204 to move upward by a certain distance (the larger the size of the component, the larger the corresponding upward movement adjustment distance). After the card seat cover 204 moves upward, the two card seats are pressed 202 can swing in the direction away from each other until the inclined end of the card pressing seat 202 is against the inner wall of the card seat cover 204 again (the greater the upward adjustment distance, the greater the maximum swing angle of the card pressing seat 202), so that the ends of the two card pressing seats 202 that are close to each other are adjusted into a "V shape", and the component is placed on the welding table 101 and placed between the two card pressing seats 202. Then, the hydraulic cylinder 205 is controlled to drive the supporting linkage cylinder 201 to move downward until the two card pressing seats 202 firmly clamp the component (see Figure 4 The lower part of the frame can be fixed to the component and welding can then begin; Therefore, by setting up the pressing fixture mechanism, the pressing fixture mechanism can be adaptively adjusted according to the shape and size of the building components to be welded, and can be applicable to the fixation and welding of building components of various shapes and sizes, and the fixing effect is good. The components are not easy to move during the welding process, which greatly reduces the limitations of the welding device and greatly improves the practicability of the welding device.

[0023] See also Figure 3 A limiting block 206 fixedly installed on the inner wall of the supporting linkage cylinder 201 is arranged between a pair of pressing seats 202, and the two ends of the limiting block 206 are respectively against the two pressing seats 202. The limiting block 206 can play a limiting role. When fixing and welding flat-plate, I-shaped and other shaped building components, the limiting block 206 can prevent the two pressing seats 202 from swinging in a direction close to each other.

[0024] The second implementation method: Figure 5-Figure 7A welding device for green building construction is shown. Different from the first embodiment, the welding table 101 is a box-type structure with a cavity inside, a U-shaped rough part insertion slot 103 is provided in the middle of the top of the welding table 101, a lowering cylinder 104 is fixedly installed in the welding table 101, a matching slot-filling seat 105 is provided on the inner side of the rough part insertion slot 103, a fine part insertion slot 106 is provided in the middle of the top of the slot-filling seat 105, the output end of the lowering cylinder 104 is fixedly connected to the bottom end of the slot-filling seat 105, the slot-filling seat 105 is slidably connected to the rough part insertion slot 103, and the top of the slot-filling seat 105 is flush with the top of the welding table 101, and a pair of pressing seats 202 are symmetrical about the fine part insertion slot 106.

[0025] For a circular building component, when placing the component, if the diameter of the component is relatively small, the component can be directly placed inside the fine component insertion slot 106, and the fine component insertion slot 106 can be used to initially clamp the component. In this way, on the one hand, it can play a certain fixing role to prevent the component from rolling before the component is fixed by the pressing card fastener mechanism. On the other hand, it can play a positioning role so that the component can be accurately located between the two pressing card seats 202. In addition, when the component is fixed by the pressing card fastener mechanism, the limit block 206 can clamp the component from below (see Figure 7 The left half of the component), thereby further improving the fixing effect of the component. If the diameter of the component is relatively large, in this case, the fixing effect of the thin component insertion slot 106 will be very limited. At this time, the downward adjustment cylinder 104 can be controlled to drive the slot filling seat 105 to move downward a certain distance, and then the component is placed inside the thick component insertion slot 103, and the thick component insertion slot 103 is used to preliminarily clamp the component (see Figure 7 Therefore, by the joint arrangement of the coarse piece insertion slot 103, the lowering cylinder 104, etc., when welding the circular building component, not only the fixing effect can be further improved, but also the adaptability can be further adjusted according to the size of the component, thereby further improving the practicality of the welding device.

[0026] The third implementation method: Figure 8-Figure 10A welding device for green building construction is shown. Different from the first and second embodiments, an elastic balloon 301 is arranged between a pair of pressing seats 202, an air guide hose 302 is connected to the elastic balloon 301, a linkage piston plate 303 is arranged on the inner side of the supporting linkage cylinder 201, and a seat cover 204 penetrates the linkage piston plate 303 and is sealed and fixedly connected to it. One end of the air guide hose 302 away from the elastic balloon 301 penetrates the top outer wall of the seat cover 204 and extends to the area above the linkage piston plate 303. When the upward adjustment cylinder 203 is controlled to drive the card seat cover 204 to move upward, the linkage piston plate 303 will also move upward accordingly. The upward movement of the linkage piston plate 303 will squeeze the air above it, causing part of the air to enter the elastic balloon 301 through the air guide hose 302, causing the elastic balloon 301 to expand. The expansion of the elastic balloon 301 will squeeze the card pressing seat 202, causing the two card pressing seats 202 to swing away from each other, so that the card pressing seat 202 can swing automatically, and there is no need for the staff to manually swing the card pressing seat 202, thereby improving convenience.

[0027] The welding device also includes a combined jet assembly, which includes an air storage box 401 located between two supporting linkage cylinders 201, the bottom end of the air storage box 401 is connected to an air outlet pipe 402, and the end of the air outlet pipe 402 away from the air storage box 401 is connected to a jet gun 403 (a switch is provided on the jet gun 403), and the outer walls on the left and right sides of the air storage box 401 are connected to air inlet pipes 404, and the ends of the two air inlet pipes 404 away from the air storage box 401 are respectively connected to the two supporting linkage cylinders 201, and an air push plate 405 is provided in the air storage box 401 and is slidably and sealedly connected thereto, and a spring 406 is fixedly connected between the air push plate 405 and the top inner wall of the air storage box 401, and the air inlet pipe 404 is located below the air push plate 405.

[0028] When the upward adjustment cylinder 203 is controlled to drive the card seat cover 204 to move upward, the piston plate 303 squeezes the air, which not only allows the air to enter the elastic balloon 301 through the air guide hose 302, but also allows part of the air to enter the air storage box 401 through the air intake pipe 404. The entry of air will squeeze the push plate 405 upward, causing the push plate 405 to move upward and compress the spring 406. During the welding process, the worker can hold the jet gun 403 and press the switch on the jet gun 403 to spray air. This airflow can be used to cool the welding place, clean the welding place, etc., and no matter it is the sprayed airflow, Whether the elastic balloon 301 expands to make the pressing seat 202 automatically swing, it is all achieved by relying on the upward adjustment cylinder 203, which not only enriches the function of the upward adjustment cylinder 203, gives full play to the role of the upward adjustment cylinder 203, but also does not require additional driving parts. Therefore, through the joint setting of the linkage piston plate 303, the joint jet assembly, etc., when the upward adjustment cylinder 203 drives the seat cover 204 to move upward for adjustment, air can also be filled into the air storage box 401, and then the airflow can be sprayed in a direction through the jet gun 403. The airflow can be used to cool the welding point, clean the welding point, etc., further improving the practicability of the welding device.

[0029] An air intake pipe 407 is connected to the outer wall of the top end of the support linkage cylinder 201, and an air intake check valve 408 is connected to the top end of the air intake pipe 407. The one-way conduction direction of the air intake check valve 408 is from the outside of the support linkage cylinder 201 to the inside of the support linkage cylinder 201, so that when the upward adjustment cylinder 203 drives the seat cover 204 to move downward, air can be drawn into the support linkage cylinder 201 through the air intake pipe 407 and the air intake check valve 408.

[0030] An air intake check valve 410 is provided on the air intake pipe 404. The one-way conduction direction of the air intake check valve 410 is from the inside of the supporting linkage cylinder 201 to the inside of the air storage box 401. Through the arrangement of the air intake pipe 407, the air intake check valve 408 and the air intake check valve 410, before fixing the building component, the card seat cover 204 and the linkage piston plate 303 of the upward adjustment cylinder 203 are controlled to move up and down, and the air storage box 401 can be continuously filled with air. On the one hand, more and more sufficient airflow can be sprayed through the air jet gun 403. On the other hand, this function of spraying airflow can also be used when welding building components of flat plates, I-shaped shapes, etc.

[0031] A plurality of air guide holes 409 are provided on the outer wall at the top end of the air storage box 401, so that air can flow more easily from the supporting linkage cylinder 201 into the air storage box 401. A gun socket 411 for placing the air gun 403 is fixedly installed on the outer wall of the air storage box 401. The air gun 403 is movably connected to the gun socket 411, so that the air gun 403 is easy to place and use.

[0032] In view of current practical needs, the above-mentioned implementation mode adopted in this application is not limited to the scope of protection. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the scope of protection of the present invention.

Claims

1. A welding device for green building construction, characterized in that: The invention comprises a pair of welding tables (101) and a pair of card pressing mechanisms, wherein a connecting seat (102) is fixedly connected between the pair of welding tables (101), the top of the connecting seat (102) is lower than the top of the welding table (101), and the pair of card pressing mechanisms respectively correspond to the pair of welding tables (101), and the card pressing mechanism comprises a supporting linkage cylinder (201) located above the welding table (101), the bottom end of the supporting linkage cylinder (201) is arranged to be open, the inner side of the supporting linkage cylinder (201) is rotatably connected to a pair of card pressing seats (202), an upward adjustment cylinder (203) is fixedly mounted on the inner wall of the top end of the supporting linkage cylinder (201), and the output end of the upward adjustment cylinder (203) is fixedly connected to a card seat cover (204), The bottom end of the card seat cover (204) is configured to be open, and the card seat cover (204) is configured to be located outside a pair of card pressing seats (202). The card pressing seats (202) are configured to be a right-angled trapezoidal shape with a thin top and a thick bottom. The ends of the pair of card pressing seats (202) that are away from each other are both against the inner wall of the card seat cover (204), and the ends of the card pressing seats (202) that are against the inner wall of the card seat cover (204) are the inclined ends thereof. The bottom end of the card pressing seat (202) is lower than the bottom end of the card seat cover (204), and the bottom end of the card seat cover (204) is lower than the bottom end of the supporting linkage cylinder (201). The card pressing fixture mechanism further comprises a hydraulic cylinder (205) fixedly mounted on the connecting seat (102), and the output end of the hydraulic cylinder (205) is fixedly connected to the supporting linkage cylinder (201).

2. A welding device for green building construction according to claim 1, characterized in that: The welding table (101) is a box-type structure with a cavity formed inside. A U-shaped rough component insertion slot (103) is formed in the middle of the top of the welding table (101). A downward adjustment cylinder (104) is fixedly installed inside the welding table (101). A matching slot-filling seat (105) is provided inside the rough component insertion slot (103). A fine component insertion slot (106) is formed in the middle of the top of the slot-filling seat (105).

3. A welding device for green building construction according to claim 2, characterized in that: The output end of the downward adjustment cylinder (104) is fixedly connected to the bottom end of the slot filling seat (105), the slot filling seat (105) is slidably connected to the rough component insertion slot (103), and the top end of the slot filling seat (105) is flush with the top end of the welding platform (101), and the pair of pressing seats (202) are symmetrical about the fine component insertion slot (106).

4. A welding device for green building construction according to claim 1, characterized in that: A limiting clamp block (206) fixedly mounted on the inner wall of the supporting linkage cylinder (201) is provided between the pair of the clamping seats (202), and two ends of the limiting clamp block (206) respectively abut against the two clamping seats (202).

5. A welding device for green building construction according to claim 1, characterized in that: An elastic balloon (301) is arranged between a pair of the pressing seats (202); an air guide hose (302) is connected to the elastic balloon (301); a linkage piston plate (303) slidably and sealedly connected to the supporting linkage cylinder (201) is arranged on the inner side of the supporting linkage cylinder (201); the seat cover (204) penetrates the linkage piston plate (303) and is sealed and fixedly connected to the linkage piston plate (303); one end of the air guide hose (302) away from the elastic balloon (301) penetrates the top outer wall of the seat cover (204) and extends to be connected to the area above the linkage piston plate (303).

6. A welding device for green building construction according to claim 5, characterized in that: The invention also comprises a combined jet assembly, which comprises an air storage box (401) located between two supporting linkage cylinders (201); the bottom end of the air storage box (401) is connected to an air outlet pipe (402); one end of the air outlet pipe (402) away from the air storage box (401) is connected to a jet gun (403); the outer walls on the left and right sides of the air storage box (401) are connected to air inlet pipes (404); one end of the two air inlet pipes (404) away from the air storage box (401) is respectively connected to the two supporting linkage cylinders (201); an air push plate (405) is provided in the air storage box (401) and is slidably and sealingly connected thereto; a spring (406) is fixedly connected between the air push plate (405) and the top inner wall of the air storage box (401).

7. A welding device for green building construction according to claim 6, characterized in that: The air inlet pipe (404) is located below the air push plate (405); the top outer wall of the support linkage cylinder (201) is connected to an air intake pipe (407); the top of the air intake pipe (407) is connected to an air intake check valve (408); the one-way conduction direction of the air intake check valve (408) is from the outside of the support linkage cylinder (201) to the inside of the support linkage cylinder (201).

8. A welding device for green building construction according to claim 7, characterized in that: The air intake pipe (404) is provided with an air intake check valve (410), and the one-way conduction direction of the air intake check valve (410) is from the inside of the supporting linkage cylinder (201) to the inside of the air storage box (401).

9. A welding device for green building construction according to claim 8, characterized in that: A plurality of air guide holes (409) are provided on the top outer wall of the air storage box (401), and a gun insertion sleeve (411) for placing an air jet gun (403) is fixedly mounted on the outer wall of the air storage box (401), and the air jet gun (403) is movably plugged into the gun insertion sleeve (411).

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