CN217913522U - Large-span arch steel structure truss bridge node welding device - Google Patents
Large-span arch steel structure truss bridge node welding device Download PDFInfo
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- CN217913522U CN217913522U CN202221992650.5U CN202221992650U CN217913522U CN 217913522 U CN217913522 U CN 217913522U CN 202221992650 U CN202221992650 U CN 202221992650U CN 217913522 U CN217913522 U CN 217913522U
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Abstract
The utility model relates to a welding set technical field specifically is a large-span arch steel construction truss bridge node welding set, including welding machine, connecting pipe and first cavity, the welding machine passes through connecting pipe fixedly connected with welder, fixed mounting has the suction hood on the welder, the second cavity has been seted up to a side of welding machine, fixed mounting has the baffle between the both sides wall that the second cavity corresponds, fixed mounting has the filtration cavity on the roof of baffle, fixed mounting has the photocatalyst filter screen between the both sides board that the filtration cavity corresponds, uses through the cooperation that sets up the suction hood, filters cavity, photocatalyst filter screen and fan, when the workman uses welder to weld, can open the switch of fan in the welded, discharges in the gas pumping of the pungent smell that will weld production to the baffle through the purification treatment back of filtering the cavity through the suction hood, reaches the benefit that improves operational environment and reduces the health that causes the injury to the workman.
Description
Technical Field
The utility model relates to a welding set technical field specifically is a large-span arch steel construction truss bridge node welding set.
Background
The truss arch bridge is an arch bridge formed by a solid-web section in the middle and arch truss pieces on two sides. The truss arch sheets are connected into a whole by a bridge deck system and a transverse connecting system. The truss arch bridge is characterized in that the solid web section and the arch truss pieces on the two sides play a role in stressing an arch, arch feet have horizontal thrust to reduce midspan bending moment, the bridge is reasonable in stressing compared with a common rib arch bridge with an arch building, materials can be saved, the dead weight is reduced, the truss arch bridge is suitable for occasions with poor foundations, when the truss arch bridge is built, welding treatment needs to be carried out on nodes of the truss arch bridge, a welding machine needs to be used for welding, the welding machine is an electric appliance for providing a power supply with certain characteristics for welding, and the welding machine is flexible, simple, convenient, firm and reliable, and has the advantages of being even as strong as a base metal after being welded, and can be widely used in various industrial fields, such as aerospace, ships, automobiles, containers and the like.
When the existing welding machine is used for welding the nodes of the truss arch bridge, toxic pungent odor gas can be generated during welding, so that not only is the welding environment influenced, but also the health of workers can be greatly influenced, and the welding machine can generate large heat during working, so that the working performance of the welding machine is easily influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-span arch steel construction truss bridge nodal point welding set to solve the problem that proposes in the above-mentioned background art, the utility model discloses a welding set is through increasing gaseous filtration in inside, thereby has realized that the irritability smell that produces in welding process is sucked back the filtration of going back to gas, and introduce the mode through strengthening the air flow in the cavity through the pipeline in inside, step-down transformer in the welding set dispels the heat, in order to realize the recycle to gaseous further energy.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a large-span arch steel construction truss bridge node welding set, includes welding machine, connecting pipe and first cavity, the welding machine passes through connecting pipe fixedly connected with welder, fixed mounting has the air inlet cover on the welder, the second cavity has been seted up to a side of welding machine, fixed mounting has the baffle between the both sides wall that the second cavity corresponds, fixed mounting has the filtration cavity on the roof of baffle, fixed mounting has the photocatalyst filter screen between the both sides board that the filtration cavity corresponds, the bottom fixed mounting of second cavity has the fan, the air inlet fixedly connected with pipe of fan, one end that the pipe corresponds runs through a side board and the threaded connection of second cavity on the air inlet cover, run through on the roof of filtration cavity and install the blast pipe, just the one end that the blast pipe corresponds runs through a lateral wall of second cavity and extends to in the first cavity.
Preferably, a first cavity is formed in one side face of the welding machine, and a step-down transformer is fixedly mounted inside the first cavity.
Preferably, an air outlet of the fan is fixedly connected with an air outlet pipe, and one end of the air outlet pipe penetrates through the bottom plate of the partition plate and extends into the filtering cavity.
Preferably, two ultraviolet lamps are fixedly mounted on the bottom surface of the top plate of the filtering cavity.
Preferably, a heat dissipation port is formed in one side face of the welding machine, and the bottom of the welding machine is fixedly provided with a movable wheel in a rectangular shape.
Preferably, the outer surfaces of the connecting tube and the guide tube are provided with rubber sleeves.
Compared with the prior art, the beneficial effects of the utility model are that:
in the actual operation process, can produce poisonous and harmful gas in the welding process, for example harmful gas such as ozone, nitrogen oxide, carbon monoxide, hydrogen fluoride that produce in the welding process can make the respiratory system of human body, the function of nervous system receive the harm, the utility model discloses a cooperation of setting up the cover of admitting air, filtering cavity, photocatalyst filter screen and fan is used, when the workman uses welder to weld, can open the switch of fan in the welded time, through admitting air the cover and will weld the gas of the pungent smell that produces and pump to the baffle in and discharge after the purification treatment of filtering cavity, reach the benefit that improves operational environment and reduce the injury to workman's health;
the utility model discloses in, in letting in first cavity through blast pipe with the combustion gas, can accelerate the inside air flow of first cavity to accelerate the radiating efficiency of step-down transformer during operation, promoted step-down transformer's radiating effect, and utilize fan exhaust tail gas to play the radiating effect to step-down transformer, carried out abundant utilization to exhaust tail gas, increased the utilization ratio of resource.
In order to meet the requirement of a welding process, a common single-phase welding transformer can be selected for use by the step-down transformer in the welding device, the specific voltage parameters can be matched according to actual requirements on the market, and the problem of heat dissipation of the step-down transformer in the welding process is found through practice to be a technical problem to be solved really. The utility model discloses a scheme has solved above-mentioned technical problem just through the flow of strengthening the indoor air of chamber, but also can play the effect of recycling the energy, finally can set up the gas outlet at the top of second cavity, after having passed through step-down transformer, has thermal gas and can follow the gas outlet and discharge, and gas this moment does not have any poisonous and harmful gas after filtering in earlier stage, consequently does not have any destruction, green to the environment.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
fig. 2 is a rear view structure diagram of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
fig. 4 is a schematic view of a partially enlarged structure at a in fig. 2 according to the present invention;
in the figure: 1. a welding machine; 2. a connecting pipe; 3. a welding gun; 4. an air intake hood; 5. a first cavity; 6. a step-down transformer; 7. a second cavity; 8. a partition plate; 9. a filtering cavity; 10. a photocatalyst filter screen; 11. an ultraviolet lamp; 12. a fan; 13. a conduit; 14. and (4) exhausting the gas.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a large-span arch steel construction truss bridge node welding set, including welding machine 1, connecting pipe 2 and first cavity 5, welding machine 1 is through connecting pipe 2 fixedly connected with welder 3, fixed mounting has inlet hood 4 on welder 3, second cavity 7 has been seted up to a side of welding machine 1, fixed mounting has baffle 8 between the both sides wall that second cavity 7 corresponds, fixed mounting has filtration cavity 9 on baffle 8's the roof, fixed mounting has photocatalyst filter screen 10 between the both sides board that filtration cavity 9 corresponds, the bottom fixed mounting of second cavity 7 has fan 12, the air inlet fixedly connected with pipe 13 of fan 12, one end that pipe 13 corresponds runs through a side board and the threaded connection of second cavity 7 on inlet hood 4, it installs blast pipe 14 to run through on the roof of filtration cavity 9, and the one end that blast pipe 14 corresponds runs through a lateral wall of second cavity 7 and extends to in the first cavity 5.
When the welding device works, the welding machine 1 supplies working gas through the connecting pipe 2 so as to realize the development of the normal welding work of the welding gun 3, and then toxic and harmful gas generated in the welding process is sucked into the second cavity through the air inlet cover 4, the guide pipe 13 and the fan 12 to be filtered.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, a first cavity 5 is formed in one side surface of the welding machine 1, and a step-down transformer 6 is fixedly mounted inside the first cavity 5. The type and voltage parameters of the step-down transformer can be selected according to actual requirements.
In this embodiment, as shown in fig. 3, an air outlet pipe is fixedly connected to an air outlet of the fan 12, and one end of the air outlet pipe penetrates through the bottom plate of the partition plate 8 and extends into the filtering cavity 9. The gas sucked into the second chamber is filtered in the filtering cavity through the gas outlet pipe.
In this embodiment, as shown in fig. 3, the bottom surface fixed mounting who filters the roof of cavity 9 has two ultraviolet lamps 11, and ultraviolet lamp 11 can guarantee that photocatalyst filter screen 10 lasts the work of purifying. The filtering cavity is internally provided with a photocatalyst filter screen and an ultraviolet lamp which are matched with each other to filter poisonous and harmful gas. The photocatalyst filter screen can be modified by adopting rare earth elements and boron elements, wherein the rare earth elements are at least one of lanthanum, cerium, praseodymium or neodymium.
The preparation method of the photocatalyst in the embodiment can adopt the following steps: and adding rare earth elements and boron elements into the nano-silica photocatalyst, adding water, stirring, roasting in a muffle furnace, and crushing to obtain the modified nano-silica. The modified photocatalyst has the advantages of high crystallization degree, wide spectral response range, large specific surface area, small particle size and high visible light catalytic activity, and can improve the filtering effect.
In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, a heat dissipation port is formed in one side surface of the welding machine 1, the heat dissipation port is used for timely discharging heat generated by the step-down transformer 6 during operation, and the bottom of the welding machine 1 is fixedly provided with a movable wheel in a rectangular shape.
In this embodiment, as shown in fig. 1 and 4, the outer surfaces of the connecting tube 2 and the conduit 13 are provided with rubber sleeves, and the connecting tube 2 and the conduit 13 are connected together through the rubber sleeves, so that the device is convenient to carry integrally.
The utility model discloses a use method and advantage: this kind of large-span arch steel construction truss bridge node welding set is when using, and the working process is as follows:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, firstly, an external power supply is applied to the electric equipment in the device, when a welding gun 3 is used for welding, a switch of a fan 12 is turned on to enable the fan 12 to work, the fan 12 works, and the gas of pungent smell generated by welding is pumped into a partition plate 8 through an air inlet hood 4 and is discharged after being purified by a filter cavity 9, so that the benefits of improving the working environment and reducing the harm to the health of workers are achieved, and the exhaust pipe 14 is arranged on the filter cavity 9 and is introduced into the first cavity 5, so that the air flow inside the first cavity 5 can be accelerated, the heat dissipation efficiency of the step-down transformer 6 during working is accelerated, the heat dissipation effect of the step-down transformer 6 is improved, the heat dissipation effect of the step-down transformer 6 is achieved by using the tail gas discharged by the fan 12, the discharged tail gas is fully utilized, and the utilization rate of resources is increased.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a large-span arch steel construction truss bridge node welding set, includes welding machine, connecting pipe and first cavity, its characterized in that: the welding machine passes through connecting pipe fixedly connected with welder, fixed mounting has the inlet hood on the welder, the second cavity has been seted up to a side of welding machine, fixed mounting has the baffle between the both sides wall that the second cavity corresponds, fixed mounting has the filtration cavity on the roof of baffle, fixed mounting has the photocatalyst filter screen between the both sides board that the filtration cavity corresponds, the bottom fixed mounting of second cavity has the fan, the air inlet fixedly connected with pipe of fan, one side board and the threaded connection that the second cavity was run through to the one end that the pipe corresponds is on the inlet hood, it installs the blast pipe to run through on the roof of filtration cavity, just the one end that the blast pipe corresponds runs through a lateral wall of second cavity and extends to in the first cavity.
2. The device for welding the truss bridge node of the large-span arch-shaped steel structure according to claim 1, wherein: a first cavity is formed in one side face of the welding machine, and a step-down transformer is fixedly mounted inside the first cavity.
3. The device for welding the truss bridge node of the large-span arch-shaped steel structure according to claim 1, wherein: and an air outlet pipe is fixedly connected to an air outlet of the fan, and one end of the air outlet pipe penetrates through the bottom plate of the partition plate and extends into the filtering cavity.
4. The device for welding the truss bridge node of the large-span arch-shaped steel structure according to claim 1, wherein: two ultraviolet lamps are fixedly mounted on the bottom surface of the top plate of the filtering cavity.
5. The device for welding the truss bridge node of the large-span arch-shaped steel structure according to claim 1, wherein: a heat dissipation port is formed in one side face of the welding machine, and a movable wheel is fixedly mounted at the bottom of the welding machine in a rectangular shape.
6. The device for welding the truss bridge node of the large-span arch-shaped steel structure according to claim 1, wherein: and rubber sleeves are arranged on the outer surfaces of the connecting pipe and the guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992650.5U CN217913522U (en) | 2022-07-29 | 2022-07-29 | Large-span arch steel structure truss bridge node welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221992650.5U CN217913522U (en) | 2022-07-29 | 2022-07-29 | Large-span arch steel structure truss bridge node welding device |
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| CN217913522U true CN217913522U (en) | 2022-11-29 |
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| CN202221992650.5U Active CN217913522U (en) | 2022-07-29 | 2022-07-29 | Large-span arch steel structure truss bridge node welding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252015A (en) * | 2023-05-16 | 2023-06-13 | 四川省钢构智造有限公司 | Novel bridge truss welding robot |
| CN116810000A (en) * | 2023-08-30 | 2023-09-29 | 贵州汇通申发钢结构有限公司 | Drilling equipment for large-span steel structure pipe frame |
-
2022
- 2022-07-29 CN CN202221992650.5U patent/CN217913522U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116252015A (en) * | 2023-05-16 | 2023-06-13 | 四川省钢构智造有限公司 | Novel bridge truss welding robot |
| CN116252015B (en) * | 2023-05-16 | 2023-07-14 | 四川省钢构智造有限公司 | Novel bridge truss welding robot |
| CN116810000A (en) * | 2023-08-30 | 2023-09-29 | 贵州汇通申发钢结构有限公司 | Drilling equipment for large-span steel structure pipe frame |
| CN116810000B (en) * | 2023-08-30 | 2023-10-31 | 贵州汇通申发钢结构有限公司 | Drilling equipment for large-span steel structure pipe frame |
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