CN221019065U - Outer straight seam welding frock of boiler blast pipe - Google Patents
Outer straight seam welding frock of boiler blast pipe Download PDFInfo
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- CN221019065U CN221019065U CN202321687487.6U CN202321687487U CN221019065U CN 221019065 U CN221019065 U CN 221019065U CN 202321687487 U CN202321687487 U CN 202321687487U CN 221019065 U CN221019065 U CN 221019065U
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- bidirectional screw
- exhaust pipe
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- 238000003466 welding Methods 0.000 title claims abstract description 85
- 230000005540 biological transmission Effects 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 33
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the technical field of pipeline welding, and particularly relates to an external straight seam welding tool for a boiler exhaust pipe, which comprises a supporting device, a walking platform and a welding trolley, wherein the supporting device comprises two supporting rollers, a driving device and a transmission mechanism which are oppositely arranged in front and back, the two supporting rollers are used for supporting the boiler exhaust pipe, the driving device can change the distance between the two supporting rollers through the transmission mechanism, the walking platform is fixedly arranged at the rear side of the supporting device, a horizontal guide rail is arranged on the walking platform, the welding trolley is connected on the horizontal guide rail in a sliding manner, and a welding gun of the welding trolley vertically extends downwards and is opposite to the boiler exhaust pipe on the supporting device. The device has the advantages of simple structure, low cost and low maintenance cost, and can greatly save manpower, improve the working efficiency and ensure the stability of the welding quality of products when particularly welding the large-diameter pipeline such as the boiler exhaust pipe.
Description
Technical Field
The utility model belongs to the technical field of pipeline welding, and particularly relates to an external straight seam welding tool for a boiler exhaust pipe.
Background
The boiler is an energy conversion device, the energy input to the boiler is in the forms of chemical energy, electric energy, heat energy of high-temperature flue gas and the like in the fuel, and steam, high-temperature water or an organic heat carrier with certain heat energy is output outwards after boiler conversion. In the use process of the boiler, the exhaust pipe is required to exhaust outwards, the steel plate is bent into a tube shape through a bending machine, and then the inner straight seam and the outer straight seam are welded through a welding machine.
The welding of the straight seam outside the boiler exhaust pipe belongs to the second procedure in the welding operation. However, in the traditional welding mode, manual welding is mostly adopted, and operators need to continuously adjust the welding position during welding so as to finish the welding of external straight seams, so that the welding efficiency is low, and the welding quality of the boiler exhaust pipe is uneven due to different technical levels of operators; in addition, complete sets of welding equipment can be adopted for welding, but most of the welding equipment is more expensive, hundreds of thousands of equipment are less, millions of equipment are easy to purchase and maintain, and relatively large capital investment is required, so that the economic cost of enterprise operation is increased.
Therefore, the inventor considers whether to utilize some common equipment such as a small welding machine and the like to manufacture a welding device with simple structure, low cost and convenient maintenance so as to weld the outer straight seam of the exhaust pipe of the welding boiler.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides an external straight seam welding tool for a boiler exhaust pipe, which comprises a supporting device, a walking platform and a welding trolley, wherein the supporting device comprises two supporting rollers, a driving device and a transmission mechanism which are oppositely arranged front and back, the two supporting rollers are used for supporting the boiler exhaust pipe, and the driving device can change the distance between the two supporting rollers through the transmission mechanism; the walking platform is fixedly arranged at the rear side of the supporting device, a horizontal guide rail is arranged on the walking platform, the welding trolley is connected to the horizontal guide rail in a sliding manner, and a welding gun of the welding trolley vertically extends downwards and is opposite to a boiler exhaust pipe on the supporting device; wherein, the inside of welding dolly is equipped with driving motor, and the bottom of welding dolly is equipped with the removal wheel, and the removal wheel slip is connected on horizontal guide rail, and the shaft of removal wheel is connected with driving motor's output shaft transmission, and the outside of welding dolly is equipped with control panel and wire feeding dish, and control panel is connected with driving motor electricity, and wire feeding dish links to each other with welder's bonding tool through wire feeding pipe, and welder's bonding tool still is connected with the funnel that is used for depositing scaling powder, is convenient for carry out submerged arc welding.
Optionally, the transmission mechanism comprises a base with an inner cavity, and two transmission components arranged in the inner cavity of the base, the base is fixed on the ground, the two transmission components are respectively arranged at the left end and the right end of the base and correspond to the end parts of the supporting rollers, each transmission component comprises a bidirectional screw rod rotationally connected in the base, a guide sliding rail arranged under the bidirectional screw rod and sliding seats arranged at the front end and the rear end of the bidirectional screw rod, the top surface of the base is also provided with guide notches vertically opposite to the bidirectional screw rod, the front end of the bidirectional screw rod penetrates out of the front wall of the base, the bidirectional screw rod penetrates through the two sliding seats, the sliding seats are connected onto the bidirectional screw rod in a sliding manner through nut pairs of the bidirectional screw rod, the bottoms of the sliding seats are connected onto the guide sliding rails in a sliding manner, the tops of the sliding seats are fixedly connected with supporting rods, and the tops of the supporting rods penetrate through the guide notches and are rotationally connected with the end parts of the supporting rollers at the corresponding sides; the driving device comprises two synchronous motors, the two synchronous motors are respectively arranged at the left side and the right side of the base, and an output shaft of each synchronous motor is in transmission connection with the front end of the corresponding bidirectional screw rod.
Optionally, both ends all are provided with the stopper about the horizontal guide rail.
Specifically, the stopper is convenient for carry out spacing to the removal of welding dolly on the horizontal guide rail.
Optionally, limit switches are arranged at the front end and the rear end of the guide sliding rail.
Specifically, the limit switch is used for limiting the movement of the sliding seat on the guide sliding rail.
Optionally, the bottom of the walking platform is provided with a supporting leg.
The utility model also comprises other components which can normally use the straight seam welding tool outside the boiler exhaust pipe, and the straight seam welding tool is a conventional technical means in the field. In addition, the devices or components not defined in the present utility model are all conventional technical means in the art, such as welding trolleys, synchronous motors, etc.
The working principle of the utility model is that firstly, the boiler exhaust pipe is placed on two supporting rollers of the supporting device, when welding operation is carried out, the welding trolley is controlled to move to the position above one end of the boiler exhaust pipe to be welded, the moving speed and the moving direction of the welding trolley are set, then, according to the pipe diameter of the boiler exhaust pipe, the two synchronous motors are controlled to drive the two bidirectional screw rods to rotate at the same time, so that the two sliding seats on the two bidirectional screw rods simultaneously move oppositely or back to each other, the distance between the two supporting rollers is shortened or increased, the top end of the boiler exhaust pipe on the supporting rollers is at a proper height, the welding operation of the welding trolley is convenient, and then, the welding trolley is started to weld the outer straight seam of the boiler exhaust pipe.
The utility model has the advantages of simple structure, low cost and low maintenance cost, and particularly can greatly save labor, improve the working efficiency and ensure the stability of the welding quality of products when welding the large-diameter pipeline such as the boiler exhaust pipe; in addition, the height of the boiler exhaust pipe can be adjusted according to the pipe diameter of the boiler exhaust pipe, so that the height of the boiler exhaust pipe is kept at a proper height, the welding machine operation of the welding trolley is convenient, and the applicability is high.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a side cross-sectional view of the support device of the present utility model.
In the figure: 1. the device comprises a supporting device, a walking platform, a welding trolley, supporting rollers, horizontal guide rails, a welding gun, a base, a bidirectional screw rod, a guide slide rail, a sliding seat, a supporting rod, a synchronous motor, a limiting block, a limiting switch, supporting legs and a boiler exhaust pipe.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.
Examples
As shown in fig. 1, the embodiment of the utility model provides a straight seam welding tool for the outside of a boiler exhaust pipe, which comprises a supporting device 1, a walking platform 2 and a welding trolley 3, wherein the supporting device 1 comprises two supporting rollers 4 which are oppositely arranged front and back, a driving device and a transmission mechanism, the two supporting rollers 4 are used for supporting the boiler exhaust pipe 16, and the driving device can change the interval between the two supporting rollers 4 through the transmission mechanism; the walking platform 2 is fixedly arranged at the rear side of the supporting device 1, a horizontal guide rail 5 is arranged on the walking platform 2, the welding trolley 3 is connected to the horizontal guide rail 5 in a sliding manner, and a welding gun 6 of the welding trolley 3 vertically extends downwards and is opposite to a boiler exhaust pipe 16 on the supporting device 1; wherein, the inside of welding dolly 3 is equipped with driving motor, and the bottom of welding dolly 3 is equipped with removes the wheel, removes the wheel sliding connection on horizontal guide 5, and removes the shaft of wheel and driving motor's output shaft transmission and be connected, and the outside of welding dolly 3 is equipped with control panel and wire feeding dish, and control panel is connected with driving motor electricity, and wire feeding dish passes through wire feeding pipe and links to each other with welder 6's bonding tool, and welder 6's bonding tool still is connected with the funnel that is used for depositing scaling powder, is convenient for carry out submerged arc welding.
Referring to fig. 2, the transmission mechanism includes a base 7 with an inner cavity, two transmission components disposed in the inner cavity of the base 7, the base 7 is fixed on the ground, the two transmission components are disposed at the left and right ends of the base 7 and correspond to the ends of the support roller 4, each transmission component includes a bidirectional screw rod 8 rotatably connected in the base 7, a guide slide rail 9 disposed under the bidirectional screw rod 8, and a slide seat 10 disposed at the front and rear ends of the bidirectional screw rod 8, the top surface of the base 7 is also provided with a guide slot vertically opposite to the bidirectional screw rod 8, the front end of the bidirectional screw rod 8 penetrates the front wall of the base 7, the bidirectional screw rod 8 penetrates the two slide seats 10, the slide seat 10 is slidably connected to the bidirectional screw rod 8 through a nut pair of the bidirectional screw rod 8, the bottom of the slide seat 10 is slidably connected to the guide slide rail 9, the top of the slide seat 10 is fixedly connected with a support rod 11, and the top end of the support rod 11 penetrates the guide slot and is rotatably connected with the end of the support roller 4 on the corresponding side; the driving device comprises two synchronous motors 12, the two synchronous motors 12 are respectively arranged at the left side and the right side of the base 7, and the output shaft of each synchronous motor 12 is in transmission connection with the front end of the corresponding bidirectional screw rod 8.
Limiting blocks 13 are arranged at the left end and the right end of the horizontal guide rail 5.
It will be appreciated that the stop 13 facilitates the stop of the movement of the welding carriage 3 on the horizontal rail 5.
Limit switches 14 are arranged at the front end and the rear end of the guide sliding rail 9.
It will be appreciated that the limit switch 14 is used to limit the movement of the slide 10 on the guide rail 9.
The bottom of the walking platform 2 is provided with legs 15.
The working principle of the utility model is that the boiler exhaust pipe 16 is firstly placed on the two supporting rollers 4 of the supporting device 1, when welding operation is carried out, the welding trolley 3 is controlled to move to the upper part of one end of the boiler exhaust pipe 16 to be welded, the moving speed and the moving direction of the welding trolley 3 are set, then the two synchronous motors 12 are controlled to simultaneously drive the two bidirectional screw rods 8 to rotate according to the pipe diameter of the boiler exhaust pipe 16, so that the two sliding seats 10 on the two bidirectional screw rods 8 simultaneously move oppositely or back to shorten or enlarge the interval between the two supporting rollers 4, the top end of the boiler exhaust pipe 16 on the supporting rollers 4 is positioned at a proper height, the welding operation of the welding trolley 3 is facilitated, and then the welding trolley 3 is started to weld the outer straight seam of the boiler exhaust pipe 16.
The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (4)
1. The utility model provides a boiler blast pipe external straight seam welding frock, includes strutting arrangement, walking platform and welding tractor, its characterized in that: the supporting device comprises two supporting rollers, a driving device and a transmission mechanism, wherein the two supporting rollers are oppositely arranged in front and back, the two supporting rollers are used for supporting the boiler exhaust pipe, and the driving device can change the distance between the two supporting rollers through the transmission mechanism; the walking platform is fixedly arranged at the rear side of the supporting device, a horizontal guide rail is arranged on the walking platform, the welding trolley is connected to the horizontal guide rail in a sliding manner, and a welding gun of the welding trolley vertically extends downwards and is opposite to a boiler exhaust pipe on the supporting device; the welding device comprises a welding trolley, a welding gun, a welding wire feeding pipe, a welding wire feeding plate, a welding hopper, a welding gun, a movable wheel, a horizontal guide rail, a control panel and a wire feeding plate, wherein the driving motor is arranged in the welding trolley;
The transmission mechanism comprises a base with an inner cavity, and two transmission components arranged in the inner cavity of the base, the base is fixed on the ground, the two transmission components are respectively arranged at the left end and the right end of the base and correspond to the end parts of the supporting rollers, each transmission component comprises a bidirectional screw rod, a guide sliding rail and sliding seats, the bidirectional screw rod is rotatably connected in the base, the guide sliding rail is arranged under the bidirectional screw rod, the sliding seats are arranged at the front end and the rear end of the bidirectional screw rod, the top surface of the base is also provided with guide notches which are vertically opposite to the bidirectional screw rod, the front end of the bidirectional screw rod penetrates out of the front wall of the base, the bidirectional screw rod penetrates through the two sliding seats, the sliding seats are connected to the bidirectional screw rod in a sliding mode through nut pairs of the bidirectional screw rod, the bottoms of the sliding seats are connected to the guide sliding rails in a sliding mode, the tops of the sliding seats are fixedly connected with supporting rods, and the tops of the supporting rods penetrate through the guide notches and are rotatably connected with the end parts of the supporting rollers at the corresponding sides; the driving device comprises two synchronous motors, the two synchronous motors are respectively arranged at the left side and the right side of the base, and an output shaft of each synchronous motor is in transmission connection with the front end of the corresponding bidirectional screw rod.
2. The boiler exhaust pipe outer straight seam welding tool according to claim 1, wherein: limiting blocks are arranged at the left end and the right end of the horizontal guide rail.
3. The boiler exhaust pipe outer straight seam welding tool according to claim 2, wherein: limit switches are arranged at the front end and the rear end of the guide sliding rail.
4. The boiler exhaust pipe outer straight seam welding tool according to claim 3, wherein: the bottom of the walking platform is provided with supporting legs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687487.6U CN221019065U (en) | 2023-06-29 | 2023-06-29 | Outer straight seam welding frock of boiler blast pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321687487.6U CN221019065U (en) | 2023-06-29 | 2023-06-29 | Outer straight seam welding frock of boiler blast pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221019065U true CN221019065U (en) | 2024-05-28 |
Family
ID=91166862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321687487.6U Active CN221019065U (en) | 2023-06-29 | 2023-06-29 | Outer straight seam welding frock of boiler blast pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221019065U (en) |
-
2023
- 2023-06-29 CN CN202321687487.6U patent/CN221019065U/en active Active
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