CN114273811B - 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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- CN114273811B CN114273811B CN202210064431.9A CN202210064431A CN114273811B CN 114273811 B CN114273811 B CN 114273811B CN 202210064431 A CN202210064431 A CN 202210064431A CN 114273811 B CN114273811 B CN 114273811B
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- positive pole
- natural gas
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- 238000003466 welding Methods 0.000 title claims abstract description 39
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000003345 natural gas Substances 0.000 title claims abstract description 18
- 238000010276 construction Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 67
- 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
- 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
- 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. Mainly provide 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 junction, guarantee welding quality's natural gas conveying system construction and stabilize welding equipment with pipe joint. 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 rotating shaft, the second positive pole clamp and the first torsion spring are arranged, the rotating shaft is rotatably arranged at the front part of the first positive pole clamp, the second positive pole clamp is arranged on the rotating shaft, and the first torsion spring is connected between the two sides of the rotating shaft and the first positive pole clamp. Through setting up first positive pole and pressing from both sides with the anodal clamp of second, with the connection of electric lines between anodal clamp and pipeline, heat to the tin silk of holding 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, 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 dislocation is easy to occur in the welding process and the welding effect is influenced, the invention has the technical problems that: 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 automatic lifting device further comprises a moving mechanism, the moving mechanism comprises slide rails, slide blocks, connecting racks, rotating rods and a driving gear, 2 slide rails are connected between the inner walls of the lower portion of the framework, the slide blocks are symmetrically arranged on the slide rails in a sliding mode, the connecting racks are connected on the slide blocks on the inner sides, the rotating rods are arranged in the middle of the framework in a rotating mode, and the driving gear is arranged at the bottom of each 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 foldable frame further comprises an opening and closing mechanism, the opening and closing mechanism comprises a cover plate, a connecting rod and handrails, the connecting rod is rotatably arranged on the upper portion of the frame, 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 guiding 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 stable 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
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 to be understood that the terms "upper", "lower", "left", "right", "front", "back", "inner", "outer", and the like as used herein, whether or not specifically defined herein, are used in a generic and descriptive sense only and not for purposes of limitation.
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, driving 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 contacting the positive pole and the negative pole, starting a servo motor 62, an output shaft of the servo motor 62 rotates to drive the connecting gear 64 to rotate through the rotating gear 63, the connecting gear 64 rotates to drive the upper part of the connecting gear to rotate through the first fixing block 53, the sliding rod 56 rotates around the joint of the pipeline in the 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, the molten tin wire drops downwards to weld the pipeline, the first reset spring 55 is compressed at the moment, when the sliding rod 56 rotates to reset, the first reset spring 55 resets to drive the sliding rod 56 to move upwards through the pressing block 54, the tin wire is not in contact with the joint of the pipeline any more, namely, after welding is finished, the negative wire is taken down, the welded pipeline is collected, and after all welding is finished, the servo motor 62 stops operating.
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.
The clamping mechanism 8 comprises a connecting frame 81, a clamping block 82, a second torsion spring 83, an ejector block 84, a second reset spring 85 and a guide block 86, the connecting frame 81 is connected between the tops of the sliding blocks 72 on the same side, the clamping block 82 is rotatably arranged on the left side and the right side of the connecting frame 81, the second torsion spring 83 is connected between the left side and the right side of a rotating shaft of the clamping block 82 and the connecting frame 81, the ejector block 84 is slidably arranged on the sliding rail 71, the second reset spring 85 is connected between the ejector block 84 and the bottom of the sliding rail 71, the guide block 86 is connected to the bottom of the sliding rail 71, and the guide block 86 is matched with the ejector block 84.
The second reset spring 85 is compressed in an initial state, the second torsion spring 83 deforms, 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 ejector block 84 to move outwards, the ejector block 84 moves outwards and is not extruded any more, the second reset spring 85 resets to drive the ejector block 84 to move downwards and reset no more than the clamping blocks 82, the second torsion spring 83 resets to drive the clamping blocks 82 to rotate and open, the pipelines are respectively placed between the clamping blocks 82 on the two sides, the placement is completed, then, the negative electrode is connected, reverse rotation drives the gear 75 to drive the sliding blocks 72 and the components to move inwards, the ejector block 84 is in contact with the guide block 86 to move upwards, the second reset spring 85 is compressed, the ejector block 84 moves upwards and is in contact with the clamping blocks 82, the clamping blocks 82 rotate to clamp the pipelines, the second torsion spring 83 deforms at the moment, and when the pipelines move to a proper position, rotation of the driving gear 75 stops.
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 principles of the embodiments of the present invention have been described above with reference to 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 (4)
1. The utility model provides a natural gas conveying system construction is with pipe joint stabilizes welding equipment, characterized by, including: the device comprises a first positive pole clamp (1), a rotating shaft (2), a second positive pole clamp (3), a first torsion spring (4), a guide mechanism (5) and a rotating mechanism (6), wherein the rotating shaft (2) is rotatably arranged at the front part of the first positive pole clamp (1), the second positive pole clamp (3) is arranged on the rotating shaft (2), the first torsion spring (4) is connected between each of two sides of the rotating shaft (2) and the first positive pole clamp (1), the guide mechanism (5) is arranged in the device, the guide mechanism (5) is connected with the rotating shaft (2), and the rotating mechanism (6) is arranged in the guide mechanism (5); the guide mechanism (5) comprises: the automatic feeding device comprises a frame (51), a guide plate (52), a first fixing block (53), a pressing block (54), a first reset spring (55) and a sliding rod (56), wherein the guide plate (52) is symmetrically arranged at the top of the inner wall of the frame (51), the first fixing block (53) is connected between the upper parts of rotating mechanisms (6), the pressing block (54) is arranged on the first fixing block (53) in a sliding mode, the first reset 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 each of two sides of the pressing block (54), and the sliding rod (56) is in sliding contact with the inner wall of the guide plate (52); the rotating mechanism (6) comprises: the device comprises a second fixed block (61), a servo motor (62), a rotating gear (63) and connecting gears (64), wherein the second fixed block (61) is arranged on one side of the inner wall of a frame (51), the servo motors (62) are arranged on two sides of the second fixed block (61), the rotating gears (63) are arranged on output shafts of the servo motors (62), bearing rods are symmetrically arranged at the top and the bottom of the inner wall of the frame (51), the connecting gears (64) are rotatably arranged between the bearing rods on the same vertical side, and the first fixed block (53) is connected between the connecting gears (64); still including moving mechanism (7), moving mechanism (7) including: the device comprises sliding rails (71), sliding blocks (72), connecting racks (73), rotating rods (74) and driving gears (75), wherein 2 sliding rails (71) are connected between the inner walls of the lower portion of a framework (51), the sliding blocks (72) are symmetrically arranged on the sliding rails (71) in a sliding mode, the connecting racks (73) are connected on the inner side sliding blocks (72), the rotating rods (74) are rotatably arranged in the middle of the framework (51), and the driving gears (75) are arranged at the bottoms of the rotating rods (74); still including clamping mechanism (8), clamping mechanism (8) 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 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 of pressing from both sides tight piece (82) all with be connected with second torsion spring (83) between link (81), slide rail (71) go up the sliding type and be equipped with kicking block (84), 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.
2. The stable welding equipment of the pipe joint for the construction of the natural gas conveying system according to claim 1, 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).
3. The stable welding equipment of pipe joint for natural gas transportation system construction according to claim 2, characterized by further comprising an opening and closing mechanism (10), wherein the opening and closing mechanism (10) comprises: apron (101), connecting rod (102) and handrail (103), frame (51) upper portion rotary type is equipped with connecting rod (102), is equipped with apron (101) on connecting rod (102), and apron (101) one side is equipped with 2 handrail (103).
4. The stable welding equipment for the pipe joint for the construction of the natural gas transportation system according to claim 1, 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 CN114273811A (en) | 2022-04-05 |
| CN114273811B true CN114273811B (en) | 2023-04-14 |
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Family Applications (1)
| 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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| CN (1) | CN114273811B (en) |
Family Cites Families (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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2022
- 2022-01-20 CN CN202210064431.9A patent/CN114273811B/en active Active
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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 |