CN114273811A - Pipeline joint stable welding equipment for natural gas conveying system construction - Google Patents
Pipeline joint stable welding equipment for natural gas conveying system construction Download PDFInfo
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- CN114273811A CN114273811A CN202210064431.9A CN202210064431A CN114273811A CN 114273811 A CN114273811 A CN 114273811A CN 202210064431 A CN202210064431 A CN 202210064431A CN 114273811 A CN114273811 A CN 114273811A
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- block
- sides
- natural gas
- positive pole
- pipeline
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 238000003466 welding Methods 0.000 title claims abstract description 42
- 239000003345 natural gas Substances 0.000 title claims abstract description 22
- 238000010276 construction Methods 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims description 66
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 244000309464 bull Species 0.000 claims 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to welding equipment, in particular to stable welding equipment for a pipeline joint for natural gas conveying system construction. The pipeline joint stable welding equipment for the construction of the natural gas conveying system is mainly characterized in that a pipeline is clamped and fixed, then the pipeline is pushed to automatically move inwards, welding wires are driven to rotate to accurately weld joints of the pipeline, and welding quality is guaranteed. The utility model provides a natural gas conveying system construction is with stable welding equipment of pipe joint, including: the first positive pole clamp, the pivot, the second positive pole clamp and first torsion spring, the anterior rotary type of first positive pole clamp is equipped with the pivot, is equipped with the second positive pole clamp in the pivot, and the pivot both sides all are connected with first torsion spring with first positive pole between pressing from both sides. Through setting up first positive pole and the anodal clamp of second, press from both sides electric wire connection between anodal clamp and pipeline, heat to the tin silk of pressing from both sides and melt, weld the pipeline, realize basic function.
Description
Technical Field
The invention relates to welding equipment, in particular to stable welding equipment for a pipeline joint for natural gas conveying system construction.
Background
The natural gas refers to all gases naturally existing in nature, including gases formed in various natural processes in an atmospheric space, a water space and a rock space, and the natural gas needs to be conveyed through a pipeline which needs to be assembled by welding when being erected.
Through retrieval, the Chinese patent with the publication number cn207521916u discloses a natural gas pipeline welding device for environmental protection engineering, which comprises wheels, a mounting plate, a height adjusting mechanism, a bottom plate, a supporting seat, a welding mechanism, a first fixing plate, a horizontal adjusting mechanism and a second fixing plate; the wheels are arranged at the bottom of the mounting plate, the height adjusting mechanism is fixedly connected to the top of the mounting plate, and the bottom plate is fixedly connected to the output end of the height adjusting mechanism; the first fixing plate, the supporting seat and the second fixing plate are fixedly connected to the top of the bottom plate in sequence. The device has reached the welding accurate, and has practiced thrift the manpower, avoids the effect that the workman scalded.
However, in the above design, only fix the pipeline through two fixed plates, fixed effect is relatively poor, lead to taking place the dislocation easily in welding process, influence the welding effect, can produce the welding crack even when serious, lead to the natural gas to leak the polluted environment, consequently need design one kind and press from both sides tight fixedly to the pipeline, promote the pipeline automatically inwards to remove afterwards, drive the welding wire and rotate the accurate welding of pipeline connection department, guarantee welding quality's natural gas conveying system construction and stabilize welding equipment with pipe joint.
Disclosure of Invention
In order to overcome the defects that the pipeline is fixed by only two fixing plates in the prior art, the fixing effect is poor, so that the pipeline is easy to be misplaced in the welding process and the welding effect is influenced, the technical problems of the invention are as follows: the utility model provides a press from both sides tight fixedly to the pipeline, promote the pipeline automatically afterwards and move to the inboard, drive the welding wire and rotate the accurate welding of pipeline junction, guarantee welding quality's natural gas conveying system construction and stabilize welding equipment with pipe joint.
The technical implementation scheme of the invention is as follows: the utility model provides a natural gas conveying system construction is with pipe joint stable welding equipment, is including first anodal clamp, pivot, second anodal clamp, first torsion spring, guiding mechanism and rotary mechanism, and the anterior rotary type of first anodal clamp is equipped with the pivot, is equipped with the anodal clamp of second in the pivot, and the pivot both sides all are connected with first torsion spring with between the first anodal clamp, are equipped with guiding mechanism in the equipment, and guiding mechanism is connected with the pivot, is equipped with rotary mechanism in the guiding mechanism.
Optionally, guiding mechanism is including frame, deflector, first fixed block, briquetting, first reset spring and slide bar, and frame inner wall top symmetry is equipped with the deflector, is connected with first fixed block between the rotary mechanism upper portion, and the gliding style is equipped with the briquetting on the first fixed block, is connected with first reset spring between briquetting bottom and the first fixed block, and the briquetting both sides all are connected with the slide bar, slide bar and deflector inner wall sliding contact.
Optionally, rotary mechanism is including the second fixed block, servo motor, rotary gear and connecting gear, and frame inner wall one side is equipped with the second fixed block, and second fixed block both sides all are equipped with servo motor, all are equipped with rotary gear on servo motor's the output shaft, and frame inner wall top and the equal symmetry in bottom are equipped with the bearing rod, and equal rotary type is equipped with connecting gear between the bearing rod of vertical homonymy, and first fixed block is connected between connecting gear.
Optionally, the frame is further provided with a moving mechanism, the moving mechanism comprises a sliding rail, a sliding block, a connecting rack, a rotating rod and a driving gear, 2 sliding rails are connected between the inner walls of the lower portion of the frame, the sliding blocks are symmetrically arranged on the sliding rails in a sliding mode, the connecting rack is connected to the sliding blocks on the inner side, the rotating rod is arranged in the middle of the frame in a rotating mode, and the driving gear is arranged at the bottom of the rotating rod.
Optionally, still including clamping mechanism, clamping mechanism is including the link, press from both sides tight piece, second torsion spring, the kicking block, second reset spring and guide block, be connected with the link between the homonymy slider top, the equal rotary type in link both sides is equipped with and presss from both sides tight piece, press from both sides the axis of rotation both sides of tight piece and be connected with second torsion spring between the link, the gliding style is equipped with the kicking block on the slide rail, be connected with second reset spring between kicking block and the slide rail bottom, the slide rail bottom is connected with the guide block, guide block and kicking block cooperation.
Optionally, the negative pole stabilizing structure comprises a third fixing block, a negative pole block and a compression spring, the third fixing block is arranged on the upper portion of the outer side sliding block, the negative pole block is arranged on the third fixing block in a sliding mode, and the compression spring is connected between the negative pole block and the top of the third fixing block.
Optionally, the folding mechanism comprises a cover plate, a connecting rod and handrails, the connecting rod is arranged on the upper portion of the frame in a rotating mode, the cover plate is arranged on the connecting rod, and 2 handrails are arranged on one side of the cover plate.
Optionally, a knob is arranged at the top of the rotating rod.
Compared with the prior art, the invention has the following advantages: the first positive electrode clamp and the second positive electrode clamp are arranged, the electric wire is connected between the positive electrode clamp and the pipeline, the clamped tin wire is heated and melted, and the pipeline is welded, so that basic functions are realized; the rotary mechanism and the guide mechanism are arranged to drive the tin wire to rotate around the joint of the pipeline without rotating the pipeline; the pipeline is clamped by arranging the clamping mechanism and the moving mechanism, and then the pipeline is pushed to contact, so that the operation is easy, and the matched welding is realized; through setting up negative pole stable structure, compress tightly the negative pole electric wire, the electric wire is pulled out when preventing that the pipeline from removing, influences the operation.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a first part of the present invention.
Fig. 3 is a schematic perspective view of a second part of the present invention.
Fig. 4 is a schematic sectional perspective view of the present invention.
Fig. 5 is a schematic perspective view of the guide mechanism of the present invention.
Fig. 6 is a perspective view of a part of the guiding mechanism of the present invention.
Fig. 7 is a schematic perspective view of the rotating mechanism of the present invention.
Fig. 8 is a schematic perspective view of a part of the rotating mechanism of the present invention.
Fig. 9 is a schematic perspective view of the moving mechanism of the present invention.
Fig. 10 is a perspective view of the clamping mechanism of the present invention.
Fig. 11 is a perspective view of a portion of the clamping mechanism of the present invention.
Fig. 12 is an exploded perspective view of the clamping mechanism of the present invention.
Fig. 13 is a schematic perspective view of the stable structure of the negative electrode of the present invention.
Fig. 14 is a schematic perspective view of the opening and closing mechanism of the present invention.
The meaning of the reference symbols in the figures: 1: first positive electrode holder, 2: rotating shaft, 3: second positive electrode clip, 4: first torsion spring, 5: guide mechanism, 51: frame, 52: guide plate, 53: first fixing block, 54: briquetting, 55: first return spring, 56: slide bar, 6: rotation mechanism, 61: second fixed block, 62: servo motor, 63: rotating gear, 64: connecting gear, 7: moving mechanism, 71: slide rail, 72: slider, 73: connecting rack, 74: rotating rod, 75: driving gear, 8: clamping mechanism, 81: connecting frame, 82: clamping block, 83: second torsion spring, 84: top block, 85: second return spring, 86: guide block, 9: negative electrode stabilization structure, 91: third fixed block, 92: negative electrode block, 93: compression spring, 10: opening and closing mechanism, 101: cover plate, 102: connecting rod, 103: a handrail.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.
Example 1
The utility model provides a natural gas conveying system construction is with stable welding equipment of pipe joint, as shown in fig. 1 to 8, including first anodal clamp 1, pivot 2, the anodal clamp of second 3, first torsion spring 4, guiding mechanism 5 and rotary mechanism 6, the anterior rotary type of first anodal clamp 1 is equipped with pivot 2, be equipped with the anodal clamp of second 3 on the pivot 2, both sides all are connected with first torsion spring 4 between the anodal clamp 1 about the pivot 2, be equipped with guiding mechanism 5 in the equipment, guiding mechanism 5 is connected with pivot 2, be equipped with rotary mechanism 6 in the guiding mechanism 5.
The guide mechanism 5 comprises a frame 51, a guide plate 52, a first fixing block 53, a pressing block 54, a first return spring 55 and a sliding rod 56, the guide plate 52 is arranged on the top of the inner wall of the frame 51 in a bilateral symmetry mode, the first fixing block 53 is connected between the upper portions of the rotating mechanisms 6, the pressing block 54 is arranged on the first fixing block 53 in a sliding mode, the front side of the top of the pressing block 54 is connected with the rotating shaft 2, the first return spring 55 is connected between the bottom of the pressing block 54 and the first fixing block 53, the sliding rod 56 is connected to the left side and the right side of the pressing block 54, and the sliding rod 56 is in sliding contact with the inner wall of the guide plate 52.
Connecting the positive pole of an external power supply with a first positive pole clamp 1 and a second positive pole clamp 3, then connecting the negative pole of the external power supply with two sections of pipelines, manually extruding the first positive pole clamp 1 and the second positive pole clamp 3 to rotate, rotating a rotating shaft 2 to drive a first torsion spring 4 to deform, then placing a tin wire between the first positive pole clamp 1 and the second positive pole clamp 3, stopping extruding the first positive pole clamp 1 and the second positive pole clamp 3, resetting the first torsion spring 4 to drive the first positive pole clamp 1 and the second positive pole clamp 3 to rotate through the rotating shaft 2 to reset to clamp the tin wire, then pushing the pipelines to move inwards to contact, heating the tin wire by the contact of the positive pole and the negative pole, starting a servo motor 62, driving a connecting gear 64 to rotate through a rotating gear 63, driving an upper part of the connecting gear 64 to rotate through a first fixing block 53, rotating a slide rod 56 around the connection position of the pipelines in a guide plate 52, meanwhile, the sliding rod 56 moves downwards to drive the pressing block 54 to move downwards to be in contact with the joint of the pipeline, molten tin wires can be welded by dropping downwards, the first reset spring 55 is compressed at the moment, when the sliding rod 56 rotates to reset, the first reset spring 55 resets and drives the sliding rod 56 to move upwards through the pressing block 54, the tin wires are not in contact with the joint of the pipeline any more, namely, the welding is finished, the negative electrode wires are taken down, the welded pipeline is collected, and after all welding is finished, the servo motor 62 is stopped to operate.
Example 2
On the basis of embodiment 1, as shown in fig. 9 to 12, the device further includes a moving mechanism 7, the moving mechanism 7 includes a sliding rail 71, a sliding block 72, a connecting rack 73, a rotating rod 74 and a driving gear 75, 2 sliding rails 71 are connected between the inner walls of the lower portion of the frame 51, the sliding blocks 72 are symmetrically and slidably disposed on the sliding rails 71, the connecting rack 73 is connected to the rear side of each sliding block 72 on the inner side, the rotating rod 74 is rotatably disposed on the rear side of the middle portion of the frame 51, and the driving gear 75 is disposed at the bottom of each rotating rod 74.
Still including clamping mechanism 8, clamping mechanism 8 is including link 81, press from both sides tight piece 82, second torsion spring 83, kicking block 84, second reset spring 85 and guide block 86, be connected with link 81 between the homonymy slider 72 top, the equal rotary type in link 81 left and right sides is equipped with and presss from both sides tight piece 82, press from both sides the axis of rotation left and right sides of tight piece 82 all and be connected with second torsion spring 83 between the link 81, the gliding style is equipped with kicking block 84 on slide rail 71, be connected with second reset spring 85 between kicking block 84 and the slide rail 71 bottom, slide rail 71 bottom is connected with guide block 86, guide block 86 and kicking block 84 cooperation.
The second reset spring 85 is compressed in the initial state, the second torsion spring 83 deforms, the manual rotation drives the gear 75 to drive the sliding blocks 72 on the two sides to move outwards through the connecting rack 73, the sliding blocks 72 can drive the connecting frame 81, the clamping blocks 82 and the top block 84 to move outwards, the top block 84 does not extrude any more when moving outwards, the second reset spring 85 resets the top block 84 to move downwards and reset no more than the clamping blocks 82, the second torsion spring 83 resets the clamping blocks 82 to rotate and open, the pipelines are respectively placed between the clamping blocks 82 on the two sides, after the placement is finished, the negative electrode is connected, the reverse rotation drives the gear 75 to drive the sliding blocks 72 and the components to move inwards, the top block 84 is in contact with the guide block 86 to move upwards, the second reset spring 85 is compressed, the top block 84 moves upwards to contact with the clamping blocks 82, and the clamping blocks 82 rotate to clamp the pipelines, at this time, the second torsion spring 83 is deformed, and when the pipe moves to a proper position, the rotation of the driving gear 75 is stopped.
Example 3
On the basis of embodiment 2, as shown in fig. 13 and 14, the cathode stabilizing structure 9 is further included, the cathode stabilizing structure 9 includes a third fixing block 91, a cathode block 92 and a pressing spring 93, the third fixing block 91 is disposed on the right side of the upper portion of the outer slider 72, the cathode block 92 is slidably disposed on the third fixing block 91, and the pressing spring 93 is connected between the cathode block 92 and the top of the third fixing block 91.
The folding device further comprises an opening and closing mechanism 10, wherein the opening and closing mechanism 10 comprises a cover plate 101, a connecting rod 102 and handrails 103, the connecting rod 102 is rotatably arranged on the front side of the upper portion of the frame 51, the cover plate 101 is arranged on the connecting rod 102, and 2 handrails 103 are arranged on the front side of the cover plate 101.
The worker can push the negative pole block 92 to move upwards, the pressing spring 93 is stretched, the negative pole wire is placed between the negative pole block 92 and the inner wall of the third fixing block 91, the pushing of the negative pole block 92 is stopped, the pressing spring 93 resets to drive the negative pole block 92 to move downwards to clamp the negative pole wire, and the negative pole wire is prevented from being pulled out when the pipeline moves; during the staff can promote handrail 103 and drive apron 101 and rotate, place the replenishment to the tin silk afterwards, the cooperation welding is placed and is finished promoting apron 101 and rotate and reset, prevents that the welding wire spill that melts from hindering other people.
The technical principle of the embodiment of the present invention is described above in conjunction with the specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of the embodiments of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive step, and these embodiments will fall within the scope of the present invention.
Claims (8)
1. The utility model provides a natural gas conveying system construction is with stable welding equipment of pipe joint, characterized by, including: first positive pole presss from both sides (1), pivot (2), second positive pole presss from both sides (3), first torsion spring (4), guiding mechanism (5) and rotary mechanism (6), first positive pole presss from both sides (1) front portion rotary type and is equipped with pivot (2), be equipped with second positive pole on pivot (2) and press from both sides (3), pivot (2) both sides all with first positive pole press from both sides and be connected with first torsion spring (4) between (1), be equipped with guiding mechanism (5) in the equipment, guiding mechanism (5) are connected with pivot (2), be equipped with rotary mechanism (6) in guiding mechanism (5).
2. The device for the stable welding of pipe joints for the construction of natural gas transportation systems according to claim 1, characterized in that the guide means (5) comprise: frame (51), deflector (52), first fixed block (53), briquetting (54), first reset spring (55) and slide bar (56), frame (51) inner wall top symmetry is equipped with deflector (52), be connected with first fixed block (53) between rotary mechanism (6) upper portion, the gliding style is equipped with briquetting (54) on first fixed block (53), be connected with first reset spring (55) between briquetting (54) bottom and first fixed block (53), briquetting (54) both sides all are connected with slide bar (56), slide bar (56) and deflector (52) inner wall sliding contact.
3. The device for stably welding joints of pipes for the construction of natural gas transportation systems according to claim 2, wherein the rotating mechanism (6) comprises: second fixed block (61), servo motor (62), rotating gear (63) and connecting gear (64), frame (51) inner wall one side is equipped with second fixed block (61), second fixed block (61) both sides all are equipped with servo motor (62), all be equipped with rotating gear (63) on the output shaft of servo motor (62), frame (51) inner wall top and the equal symmetry in bottom are equipped with the bearing rod, equal rotary type is equipped with connecting gear (64) between the bearing rod of vertical homonymy, first fixed block (53) are connected between connecting gear (64).
4. The stable welding equipment of pipe joints for the construction of natural gas transportation systems according to claim 3, characterized by further comprising a moving mechanism (7), wherein the moving mechanism (7) comprises: slide rail (71), slider (72), connecting rack (73), bull stick (74) and drive gear (75), be connected with 2 slide rail (71) between frame (51) lower part inner wall, equal symmetrical slidingtype is equipped with slider (72) on slide rail (71), all is connected with connecting rack (73) on inboard slider (72), frame (51) middle part rotary type is equipped with bull stick (74), bull stick (74) bottom is equipped with and drives gear (75).
5. The device for stably welding the joint of the pipe for constructing the natural gas transportation system according to claim 4, further comprising a clamping mechanism (8), wherein the clamping mechanism (8) comprises: link (81), press from both sides tight piece (82), second torsion spring (83), kicking block (84), second reset spring (85) and guide block (86), be connected with link (81) between homonymy slider (72) top, link (81) both sides equal rotary type is equipped with and presss from both sides tight piece (82), the axis of rotation both sides that press from both sides tight piece (82) all with be connected with second torsion spring (83) between link (81), the gliding style is equipped with kicking block (84) on slide rail (71), be connected with second reset spring (85) between kicking block (84) and slide rail (71) bottom, slide rail (71) bottom is connected with guide block (86), guide block (86) and kicking block (84) cooperation.
6. The stable welding equipment of pipe joint for natural gas transportation system construction according to claim 5, characterized by further comprising a negative electrode stabilizing structure (9), wherein the negative electrode stabilizing structure (9) comprises: the device comprises a third fixing block (91), a negative block (92) and a compression spring (93), wherein the third fixing block (91) is arranged on the upper portion of the outer side sliding block (72), the negative block (92) is arranged on the third fixing block (91) in a sliding mode, and the compression spring (93) is connected between the negative block (92) and the top of the third fixing block (91).
7. The stable welding equipment of pipe joint for natural gas transportation system construction according to claim 6, characterized by further comprising an opening and closing mechanism (10), wherein the opening and closing mechanism (10) comprises: the frame comprises a cover plate (101), a connecting rod (102) and handrails (103), wherein the connecting rod (102) is rotatably arranged on the upper portion of the frame (51), the cover plate (101) is arranged on the connecting rod (102), and 2 handrails (103) are arranged on one side of the cover plate (101).
8. The stable welding equipment for the pipe joint for the construction of the natural gas transportation system according to claim 4, wherein: the top of the rotating rod (74) is provided with a knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064431.9A CN114273811B (en) | 2022-01-20 | 2022-01-20 | Pipeline joint stable welding equipment for natural gas conveying system construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210064431.9A CN114273811B (en) | 2022-01-20 | 2022-01-20 | Pipeline joint stable welding equipment for natural gas conveying system construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114273811A true CN114273811A (en) | 2022-04-05 |
| CN114273811B CN114273811B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210064431.9A Active CN114273811B (en) | 2022-01-20 | 2022-01-20 | Pipeline joint stable welding equipment for natural gas conveying system construction |
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| Country | Link |
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| CN (1) | CN114273811B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380505B1 (en) * | 2000-03-27 | 2002-04-30 | The Boeing Company | Method and apparatus for welding tubular members |
| CN210147368U (en) * | 2019-05-07 | 2020-03-17 | 魏崧 | Water conservancy construction pipeline welding set |
| CN113042949A (en) * | 2021-03-04 | 2021-06-29 | 安徽精翔自动化科技有限公司 | Welding robot and assembly welding system with same |
| CN113399922A (en) * | 2021-02-24 | 2021-09-17 | 杨俊康 | Welding device capable of clamping and positioning metal heating and ventilation pipeline |
| CN113695772A (en) * | 2021-09-01 | 2021-11-26 | 深圳市通标科技有限公司 | Thermocouple welding device and welding method |
-
2022
- 2022-01-20 CN CN202210064431.9A patent/CN114273811B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380505B1 (en) * | 2000-03-27 | 2002-04-30 | The Boeing Company | Method and apparatus for welding tubular members |
| CN210147368U (en) * | 2019-05-07 | 2020-03-17 | 魏崧 | Water conservancy construction pipeline welding set |
| CN113399922A (en) * | 2021-02-24 | 2021-09-17 | 杨俊康 | Welding device capable of clamping and positioning metal heating and ventilation pipeline |
| CN113042949A (en) * | 2021-03-04 | 2021-06-29 | 安徽精翔自动化科技有限公司 | Welding robot and assembly welding system with same |
| CN113695772A (en) * | 2021-09-01 | 2021-11-26 | 深圳市通标科技有限公司 | Thermocouple welding device and welding method |
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| CN114273811B (en) | 2023-04-14 |
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Effective date of registration: 20230328 Address after: No.131, 3rd floor, building 2, No.16 Julong Road, Wuhou District, Chengdu, Sichuan 610000 Applicant after: Chengdu Chengfu Qizheng New Energy Development Co.,Ltd. Address before: 350000 Room 405, floor 4, building 17, juyuanzhou Park, Jinshan Industrial Zone, 618 Jinshan Avenue, Jianxin Town, Cangshan District, Fuzhou City, Fujian Province Applicant before: Liang Haojing |
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Denomination of invention: A Stable Welding Equipment for Pipeline Joints in Natural Gas Transportation System Construction Effective date of registration: 20231108 Granted publication date: 20230414 Pledgee: Industrial Bank Limited by Share Ltd. Chengdu branch Pledgor: Chengdu Chengfu Qizheng New Energy Development Co.,Ltd. Registration number: Y2023980064693 |