CN112589457A - Cutting and welding integrated device for building heating ventilation pipe - Google Patents
Cutting and welding integrated device for building heating ventilation pipe Download PDFInfo
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- CN112589457A CN112589457A CN202011403227.2A CN202011403227A CN112589457A CN 112589457 A CN112589457 A CN 112589457A CN 202011403227 A CN202011403227 A CN 202011403227A CN 112589457 A CN112589457 A CN 112589457A
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- 238000003466 welding Methods 0.000 title claims abstract description 59
- 238000010438 heat treatment Methods 0.000 title abstract description 49
- 238000009423 ventilation Methods 0.000 title abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000004907 flux Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000446313 Lamella Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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Abstract
The invention discloses a cutting and welding integrated device for a building heating and ventilation pipe, which comprises a clamp, a driven gear, a driving rod, a second motor, a fixed clamping block and a movable clamping block, wherein the second motor is assembled on one side surface of an installation plate, the second motor is connected with the driving rod, two driving gears are alternately arranged on one group of driving rods, two groups of driven rods are arranged on the other side surface of the installation plate, the driven gears are arranged on the two groups of driven rods, a connecting block is arranged on the driven rods and positioned outside the driven gears, the clamp is arranged inside the connecting block, the fixed clamping block is arranged inside an upper installation seat, the movable clamping block is fixed inside the upper installation seat and positioned at the lower end of a threaded rod, the cutting and welding of the building heating and ventilation pipe are realized, and welding equipment and cutting equipment used by the building heating and ventilation pipe are integrated together, the degree of integrating of building heating and ventilation pipeline processing equipment is promoted.
Description
Technical Field
The invention belongs to the technical field of heating ventilation, relates to a heating ventilation pipe machining device, and particularly relates to a cutting and welding integrated device for a heating ventilation pipe of a building.
Background
The thickness and specification of the heating and ventilation pipeline can be changed according to requirements, and usually, when the heating and ventilation pipeline is connected, two ends of the air pipe are always externally connected with accessories (such as elbows and reducing pipes). Generally, the two ends of the heating and ventilating pipeline are not provided with grooves and are provided with sealing rings. The heating and ventilation pipeline has a very wide application range. A purifying system air feeding and returning pipe, a central air conditioning ventilation pipe, an industrial air feeding and exhausting ventilation pipe, an environmental protection system air suction and exhaust pipe, a mine gas drainage pipe, a mine rubberized cloth air duct and the like. The heating and ventilation pipeline has the advantages of good sealing performance, good strength and rigidity, small ventilation resistance, small ventilation noise, better round pipe than a square pipe, convenient installation, few connecting points, high grade, beautiful appearance and the like.
The integrative degree of integrating of current warm logical pipeline processing equipment of building is lower, the warm logical pipeline of building is when the in-service use, often need cut and weld according to requirements such as size, consequently the warm logical pipe erection side of building need be equipped with the cutting, the welding, equipment such as polish, and in the actual work progress, these equipment mostly need carry, numerous equipment carry very inconveniently in the lump, if equipment carry not neat also lead to the warm logical pipeline of building to install fast, the installation effectiveness of the warm logical pipeline of building has been influenced, for this, we provide a warm logical pipe cutting of building and weld integrative device.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a cutting and welding integrated device for a building heating and ventilating pipe.
The technical problem to be solved by the invention is as follows:
the integrative degree of integrating of current warm logical pipeline processing equipment of building is lower, the warm logical pipeline of building is when the in-service use, often need cut and weld according to requirements such as size, consequently the warm logical pipe erection side of building need be equipped with the cutting, equipment such as welding, polish, and in the actual work progress, these equipment mostly need carry, numerous equipment carry in the lump very inconvenient, if equipment carry uneven also lead to the warm logical pipeline of building can't install fast, the installation effectiveness of the warm logical pipeline of building has been influenced.
The purpose of the invention can be realized by the following technical scheme:
a cutting and welding integrated device for a building heating ventilation pipe comprises a top plate, a fixed rod, a middle plate and a bottom plate, wherein a cutting clamping assembly is arranged on the upper side of the middle plate, a welding assembly is arranged on the lower side of the middle plate, and a welding clamping assembly is arranged on the upper side of the bottom plate;
the welding clamping assembly comprises a first motor, a placing plate, a second electric telescopic rod, a mounting plate, a clamp, a connecting block, a driven gear, driven rods, driving gears, a driving rod and a second motor, the placing plate is installed at the middle position of the fixing rod, the first motor is assembled at the upper end of the placing plate, the second electric telescopic rod is assembled at the inner side of the first motor, the mounting plate is installed at the inner side of the second electric telescopic rod, the second motor is assembled at one side surface of the mounting plate, the second motor is connected with the driving rod, the driving rod penetrates through the other side surface of the mounting plate, two driving gears are installed on one group of the driving rods in a staggered mode, two groups of the driven rods are installed on the other side surface of the mounting plate, the two groups of the driven rods are symmetrically arranged at the upper side and the lower side of the driving rod, the driven gears are installed, a clamp is arranged on the inner side of the connecting block;
cutting centre gripping subassembly includes mount pad, spring beam, fixed grip block down, goes up mount pad, activity grip block, threaded rod, goes up arc wall and arc wall down, two sets of mount pads down are installed to the intermediate lamella upper end, it has fixed grip block to go up mount pad internally mounted, arc wall down has been seted up to fixed grip block upper end, the spring beam is installed to mount pad upper end down, the mount pad is installed to the spring beam upper end, go up the inside threaded hole of seting up of mount pad, threaded hole internally mounted has the threaded rod, the threaded rod runs through the mount pad, it is fixed with movable grip block just to be located the threaded rod lower extreme to go up the mount pad inside, the arc wall has been seted up to activity grip block lower extreme.
As a further scheme of the invention, four groups of supporting legs are mounted on the lower end face of the bottom plate, four groups of fixing rods are mounted on the upper end face of the bottom plate, a middle plate is mounted on the upper side of the bottom plate, the four groups of fixing rods penetrate through the middle plate, a top plate is mounted at the upper ends of the fixing rods, a first electric telescopic rod is mounted at the lower end of the top plate, a cutting machine body is mounted at the lower end of the first electric telescopic rod, and a welding head is mounted at the.
As a further scheme of the invention, the inner side of the clamp is adhered with a non-slip mat, the lower side of the placing plate is provided with an inclined support rod, and the placing plate, the fixed rod and the inclined support rod form a triangular support structure.
As a further scheme of the invention, a splicing block is mounted on one side surface of the fixture close to the connecting block, a first splicing hole is formed in the splicing block, a splicing groove is formed in one side surface of the connecting block close to the fixture, a second splicing hole is formed in the connecting block, the aperture of the second splicing hole is the same as that of the first splicing hole, fixing pieces are mounted in the first splicing hole and the second splicing hole, a rod hole is formed in the connecting block, and the rod hole is fixed with the driven rod.
As a further scheme of the invention, two groups of driving gears are installed on one group of driving rods in a staggered mode, the tooth inclination angles of the two driving gears are opposite, one group of driving gears are meshed with the driven gear on the upper side, the other group of driving gears are meshed with the driven gear on the lower side, and one third of teeth are arranged on the circular arc surface of the driven gear.
As a further scheme of the invention, an arc-shaped track groove is formed in the mounting plate and is positioned on the opposite surface of the second motor, a track rod is arranged on one side surface of the connecting block and is close to the mounting plate, and the track rod is matched with the track groove.
As a further scheme of the invention, a moving groove is formed in the middle plate, a moving block is mounted on the lower end face of the upper mounting seat, and the moving block is matched with the moving groove.
As a further scheme of the invention, soft rubber pads are adhered to the inner walls of the lower arc-shaped groove and the upper arc-shaped groove, the upper arc-shaped groove and the lower arc-shaped groove are vertically corresponding, a cylindrical anti-skid rotating block is fixed on the upper end surface of the threaded rod, and the diameter of the anti-skid rotating block is larger than that of the threaded hole.
Compared with the prior art, the invention has the beneficial effects that:
1. the distance between the two groups of mounting plates is adjusted through the second electric telescopic rod, the driving rod is driven to rotate through the work of the second motor, the synchronous opposite-direction rotation of the driven gear is realized through the driving gears which are installed in a staggered mode, the driven rod is further driven to rotate, the fixture can be driven to move from the outer side to the inner side through the connecting block while the driven rod rotates, the two sections of building heating pipelines are tightly clamped, and then the second electric telescopic rod moves again, so that the welding position of the two sections of heating pipelines is located right below the welding position; in the welding process, the first motor drives the two sections of the building heating and ventilation pipelines to synchronously rotate for one circle, so that the building heating and ventilation pipelines can be conveniently and rapidly welded in an all-dimensional manner;
2. according to the invention, the distance between the lower mounting seats is adjusted through the moving block and the moving groove, the building heating and ventilation pipeline can be conveniently placed in the lower arc-shaped groove in the fixed clamping block through the tensile spring rod, a worker can drive the movable clamping block to move from top to bottom through the threaded rod only by rotating the anti-skidding rotating block until the upper arc-shaped groove is attached to the outer surface of the building heating and ventilation pipeline, the building heating and ventilation pipeline can be firmly clamped through the matching use of the movable clamping block and the fixed clamping block, the clamped building heating and ventilation pipeline can be cut through the cutting machine body, and the phenomenon that the heating and ventilation pipeline is deviated and has flaws during cutting is avoided;
3. according to the invention, the welding equipment and the cutting equipment used by the building heating and ventilation pipeline are integrated together, so that the building heating and ventilation pipeline can be conveniently cut and welded, and a heating and ventilation pipeline installing party is not required to carry numerous scattered tools and equipment, thus the installation efficiency of the building heating and ventilation pipeline is greatly increased, and the integrated integration degree of the building heating and ventilation pipeline processing equipment is improved;
4. according to the invention, the splicing block is arranged on one side surface of the fixture close to the connecting block, the first splicing hole is formed in the splicing block, the splicing groove is formed in one side surface of the connecting block close to the fixture, the second splicing hole is formed in the connecting block, the aperture of the second splicing hole is the same as that of the first splicing hole, and the fixing pieces are arranged in the first splicing hole and the second splicing hole, so that the adaptive fixture is convenient to replace, and the applicability is increased; two groups of driving gears are arranged on one group of driving rods in a staggered mode, tooth inclination angles of the two driving gears are opposite, one group of driving gears are meshed with the driven gear on the upper side, the other group of driving gears are meshed with the driven gear on the lower side, and the two groups of driven gears are driven to synchronously rotate in different directions conveniently; and the mounting plate is provided with an arc-shaped track groove on the opposite surface of the second motor, the connecting block is provided with a track rod on one side surface close to the mounting plate, and the track rod is matched with the track groove, so that the moving range of the connecting block is conveniently limited.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic overall structure diagram of a cutting and welding integrated device for a building heating pipe according to the present invention;
FIG. 2 is a schematic structural diagram of a welding clamping assembly in the cutting and welding integrated device for the building heating pipe according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a structural right side view of a mounting plate in the cutting and welding integrated device for a building heating pipe according to the present invention;
FIG. 5 is a schematic structural diagram of a clamp in the cutting and welding integrated device for a building heating pipe according to the present invention;
FIG. 6 is a right side view of a cutting and clamping assembly of the cutting and welding integrated device for a building heating pipe according to the present invention;
fig. 7 is a structural perspective view of a lower mounting seat in the cutting and welding integrated device for the building heating pipe of the invention.
In the figure: 1. a top plate; 2. fixing the rod; 3. a middle plate; 4. a base plate; 5. supporting legs; 6. welding the clamping assembly; 7. welding the assembly; 8. cutting the clamping assembly; 9. a cutter body; 10. a first electric telescopic rod; 61. a first motor; 611. placing the plate; 62. a second electric telescopic rod; 63. mounting a plate; 64. a clamp; 641. a non-slip mat; 642. splicing blocks; 65. connecting blocks; 651. splicing grooves; 652. a rod hole; 66. a driven gear; 661. a driven lever; 67. a driving gear; 68. a driving lever; 69. a second motor; 71. a mounting frame; 72. an adjusting block; 73. welding a head; 74. a fixed block; 75. an adjustment groove; 76. a third electric telescopic rod; 77. a delivery pipe; 78. a delivery pump; 79. a containing box; 791. a feed pipe; 81. a lower mounting seat; 82. a spring lever; 83. fixing the clamping block; 84. an upper mounting seat; 85. a movable clamping block; 86. a threaded rod; 87. an upper arc-shaped groove; 88. a lower arc-shaped groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-7, a cutting and welding integrated device for a building heating ventilation pipe comprises a top plate 1, fixing rods 2, a middle plate 3, a bottom plate 4, supporting legs 5, a welding clamping assembly 6, a welding assembly 7, a cutting clamping assembly 8, a cutting machine body 9 and a first electric telescopic rod 10, wherein four groups of supporting legs 5 are arranged on the lower end surface of the bottom plate 4, four groups of fixing rods 2 are arranged on the upper end surface of the bottom plate 4, the middle plate 3 is arranged on the upper side of the bottom plate 4, the four groups of fixing rods 2 penetrate through the middle plate 3, the top plate 1 is arranged at the upper end of the fixing rods 2, the first electric telescopic rod 10 is arranged at the lower end of the top plate 1, the cutting machine body 9 is arranged at the lower end of the first electric telescopic rod 10, the cutting clamping assembly 8 is;
the welding clamping assembly 6 comprises a first motor 61, a placing plate 611, a second electric telescopic rod 62, a mounting plate 63, a clamp 64, a connecting block 65, a driven gear 66, a driven rod 661, a driving gear 67, a driving rod 68 and a second motor 69, the placing plate 611 is installed at the middle position of the fixing rod 2, the first motor 61 is assembled at the upper end of the placing plate 611, the second electric telescopic rod 62 is assembled at the inner side of the first motor 61, the mounting plate 63 is installed at the inner side of the second electric telescopic rod 62, the second motor 69 is assembled at one side surface of the mounting plate 63, the driving rod 68 is connected with the driving rod 68, the driving rod 68 penetrates to the other side surface of the mounting plate 63, two driving gears 67 are alternately installed on one group of the driving rods 68, two groups of driven rods 661 are installed at the other side surface of the mounting plate 63, the two groups of driven rods 661 are symmetrically, a connecting block 65 is arranged on the driven rod 661 and positioned outside the driven gear 66, and a clamp 64 is arranged inside the connecting block 65;
the anti-slip pad 641 is adhered to the inner side of the clamp 64, so that the stability and the anti-slip effect of the clamp 64 are improved, the inclined support rod is installed on the lower side of the placing plate 611, and the placing plate 611, the fixed rod 2 and the inclined support rod form a triangular support structure, so that the assembly stability of the first motor 61 is improved;
the fixture comprises a fixture 64, a connecting block 65, a splicing block 642, a first splicing hole, a splicing groove 651, a second splicing hole, a rod hole 652 and a driven rod 661, wherein the splicing block 642 is mounted on one side surface, close to the connecting block 65, of the fixture 64, the first splicing hole is formed in the splicing block 642, the splicing groove 651 is formed in one side surface, close to the fixture 64, of the connecting block 65, the second splicing hole is formed in the connecting block 65, the diameter of the second splicing hole is the same as that of the first splicing hole, fixing pieces are mounted inside the first splicing hole and the second splicing hole, the fixing pieces are specifically fixing bolts, counter bolts and the like, the adaptive fixture 64 is convenient to replace, the applicability is increased, the rod hole 652 is formed in;
wherein, two groups of driving gears 67 are installed on one group of driving rods 68 in a staggered manner, the tooth inclination angles of the two driving gears 67 are opposite, one group of driving gears 67 is meshed with the driven gear 66 at the upper side, and the other group of driving gears 67 is meshed with the driven gear 66 at the lower side, so that the two groups of driven gears 66 are conveniently driven to synchronously rotate in different directions;
wherein, be provided with one third tooth on the driven gear 66 arc surface, the orbit groove of arc form is seted up to the opposite face that just is located second motor 69 on the mounting panel 63, and the track pole is installed to a side that is close to mounting panel 63 on the connecting block 65, and the track pole matches with the orbit groove, conveniently restricts the home range of connecting block 65.
The welding assembly 7 comprises a mounting frame 71, an adjusting block 72, a welding head 73, a fixing block 74, an adjusting groove 75, a third electric telescopic rod 76, a conveying pipe 77, a conveying pump 78 and a containing box 79, the lower end of the middle plate 3 is provided with the third electric telescopic rod 76, the piston end of the third electric telescopic rod 76 is provided with the fixing block 74, two groups of mounting frames 71 are arranged at the lower end of the middle plate 3 and are symmetrically positioned at two sides of the fixing block 74, the adjusting groove 75 is formed in the inner sides of the two groups of mounting frames 71, the adjusting blocks 72 are symmetrically arranged on two side faces, close to the adjusting groove 75, of the fixing block 74, the adjusting block 72 is slidably arranged in the adjusting groove 75, the welding head 73 is fixed at the lower end of the fixing block 74, the containing box 79 is arranged in the middle plate 3, the conveying;
wherein, a feeding pipe 791 is installed inside the middle plate 3, a sealing plug is stuffed inside the feeding pipe 791, liquid welding flux is stuffed inside the containing box 79, the adjusting block 72 is matched with the adjusting groove 75, a connector head is installed on the welding head 73, and the conveying pipe 77 is connected with the welding head 73 through the connector head, so that the liquid welding flux is conveniently conveyed to the welding head 73;
the cutting clamping assembly 8 comprises a lower mounting seat 81, a spring rod 82, a fixed clamping block 83, an upper mounting seat 84, a movable clamping block 85, a threaded rod 86, an upper arc-shaped groove 87 and a lower arc-shaped groove 88, two groups of lower mounting seats 81 are mounted at the upper end of the middle plate 3, the fixed clamping block 83 is mounted in the upper mounting seat 84, the lower arc-shaped groove 88 is formed in the upper end of the fixed clamping block 83, the spring rod 82 is mounted at the upper end of the lower mounting seat 81, the upper mounting seat 84 is mounted at the upper end of the spring rod 82, a threaded hole is formed in the upper mounting seat 84, the threaded rod 86 is mounted in the threaded hole, the threaded rod 86 penetrates through the upper mounting seat 84, the movable clamping block 85 is fixed in the upper mounting seat 84 and located at the lower end;
a moving groove is formed in the middle plate 3, a moving block is mounted on the lower end face of the upper mounting seat 84, and the moving block is matched with the moving groove, so that the distance between the upper mounting seat 84 can be adjusted conveniently;
wherein, lower arc wall 88 and last arc wall 87 inner wall all paste and have soft cushion, go up arc wall 87 and arc wall 88 corresponding from top to bottom down with lower arc wall, avoid the last arc wall 87 of stereoplasm and lower arc wall 88 to damage the warm logical pipeline of building, threaded rod 86 up end is fixed with cylindric antiskid rotation piece, and the diameter of antiskid rotation piece is greater than the diameter of screw hole, avoids antiskid rotation piece to twist into to the screw hole.
Example two
A working method of the cutting and welding integrated device for the building heating ventilation pipe comprises the following steps:
firstly, a worker selects a clamp 64 adaptive to a heating and ventilation pipeline, a splicing block 642 on one side surface of the clamp 64 is embedded into a splicing groove 651 in a connecting block 65, a first splicing hole is aligned with a second splicing hole, a fixing piece is screwed into the splicing groove, the clamp 64 can be fixed with the connecting block 65, meanwhile, a sealing plug of a feeding pipe 791 is opened, liquid welding flux enters a containing box 79 through the feeding pipe 791, and the containing box 79 is connected with a welding head 73 through a conveying pipe 77;
step two, when the building heating and ventilation pipeline is welded, the second electric telescopic rod 62 drives the two groups of mounting plates 63 to be adjusted to a proper distance, the second motor 69 works to drive the driving rod 68 to rotate, the driving rod 68 drives the driven gear 66 to synchronously rotate in different directions through the driving gear 67 which is installed in a staggered mode, the driven gear 66 is fixed on the driven rod 661, rotation of the driven rod 661 can be achieved, the driven rod 661 rotates and drives the clamp 64 to move from the outer side to the inner side through the connecting block 65 until the clamp 64 tightly clamps two sections of building heating and ventilation pipelines to be welded, then the second electric telescopic rod 62 moves again, the welding position of the two sections of heating and ventilation pipelines is located right below the welding position, the third electric telescopic rod 76 works to drive the fixing block 74 to move downwards, the fixing block 74 is properly adjusted along the adjusting groove 75 on the inner side of the mounting frame 71 through the adjusting block 72, the conveying pump 78 works to draw the liquid welding flux in, in the welding process, the first motor 61 drives the two sections of the building heating and ventilation pipelines to synchronously rotate for one circle, so that the building heating and ventilation pipelines can be quickly welded;
step three, when the building heating and ventilation pipeline is cut, the lower mounting seat 81 and the lower mounting seat 81 are adjusted to be at a proper distance, the spring rod 82 is stretched, the building heating and ventilation pipeline can be placed in the lower arc-shaped groove 88 on the fixed clamping block 83, a worker rotates the anti-skidding rotating block, the anti-skidding rotating block drives the threaded rod 86 to rotate in the threaded hole, the movable clamping block 85 moves from top to bottom at the moment until the upper arc-shaped groove 87 is attached to the outer surface of the building heating and ventilation pipeline, the building heating and ventilation pipeline is firmly clamped by the movable clamping block 85 and the fixed clamping block 83, and the clamped building heating and ventilation pipeline can be cut by the cutting machine body 9.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210478159.9A CN115401460A (en) | 2020-12-02 | 2020-12-02 | An integrated device for cutting and welding building HVAC pipes |
| CN202011403227.2A CN112589457A (en) | 2020-12-02 | 2020-12-02 | Cutting and welding integrated device for building heating ventilation pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011403227.2A CN112589457A (en) | 2020-12-02 | 2020-12-02 | Cutting and welding integrated device for building heating ventilation pipe |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210478159.9A Division CN115401460A (en) | 2020-12-02 | 2020-12-02 | An integrated device for cutting and welding building HVAC pipes |
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| CN112589457A true CN112589457A (en) | 2021-04-02 |
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| CN202210478159.9A Pending CN115401460A (en) | 2020-12-02 | 2020-12-02 | An integrated device for cutting and welding building HVAC pipes |
| CN202011403227.2A Pending CN112589457A (en) | 2020-12-02 | 2020-12-02 | Cutting and welding integrated device for building heating ventilation pipe |
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| CN202210478159.9A Pending CN115401460A (en) | 2020-12-02 | 2020-12-02 | An integrated device for cutting and welding building HVAC pipes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117260154A (en) * | 2023-11-21 | 2023-12-22 | 南通重矿金属新材料有限公司 | Welding device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116329970A (en) * | 2023-05-09 | 2023-06-27 | 中国电子系统工程第二建设有限公司 | An integrated device for cutting and welding building HVAC pipes |
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| CN115401460A (en) | 2022-11-29 |
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Application publication date: 20210402 |