CN112684227B - 10KV and primary and secondary fusion landing fee control metering device - Google Patents
10KV and primary and secondary fusion landing fee control metering device Download PDFInfo
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- 238000007789 sealing Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 9
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Abstract
The invention provides a 10KV secondary fusion landing fee control metering device which comprises a fee control box, wherein one side of the fee control box is hinged with a box door through a hinge, the fee control box and the box door are both connected with a self-locking assembly, a meter, a voltage transformer and a convex frame are fixed in the fee control box, a current transformer is fixed on the outer wall surface of the fee control box, a boss is fixed on the inner wall surface of the box door, a vacuum circuit breaker is fixed on the surface of one side of the boss, far away from the box door, of the boss, an opening is formed in one end, far away from the fee control box, of the boss, a fixed wheel is arranged in the opening, the self-locking assembly comprises a first rotating shaft, a first winding wheel is fixed on the outer circumferential surface of the bottom end of the first rotating shaft, the outer circumferential surface of the first winding wheel is fixedly connected with one end of a first steel wire rope, a second rotating shaft is arranged on one side of the first winding wheel, and the bottom of the second rotating shaft is fixedly provided with a second winding wheel. The invention provides a self-locking assembly which is difficult to damage for the cost control box and prevents electricity stealing through the matching of the self-locking assembly, the cost control box and the box door.
Description
Technical Field
The invention mainly relates to the technical field of fee-controlled metering devices, in particular to a 10KV secondary fusion landing fee-controlled metering device.
Background
With the improvement of living standard of people, the power grid enters each household, and the power grid needs to be connected with a charge control metering device for charging when entering the household.
According to the intelligent power grid protection type charge control metering device provided by the patent document with the application number of CN201120228631.0, the intelligent power grid protection type charge control metering device comprises a power supply incoming line, a combined transformer and an electric meter through a vacuum circuit breaker, wherein a circuit breaker operating mechanism is connected with the vacuum circuit breaker, a load controller is respectively connected with a metering anti-electricity-theft device and the electric meter, a microcomputer comprehensive protection device is respectively connected with the circuit breaker operating mechanism, the metering anti-electricity-theft device and a current transformer protection winding of the combined transformer, wherein a voltage transformer power winding of the combined metering transformer is respectively connected with the circuit breaker operating mechanism, the microcomputer comprehensive protection device, the load controller and the metering anti-electricity-theft device.
However, the fee control metering device has any defects, for example, the fee control metering device has the advantages of fee control and remote measurement, but the electronic components in the metering device are usually arranged in a fee control box, while the conventional fee control box is usually used for burglary prevention by using a common burglarproof lock, so that the fee control box is easily damaged to generate a burglary phenomenon.
Disclosure of Invention
The invention mainly provides a 10KV secondary fusion landing fee control metering device which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a 10KV twice fuses and falls to ground and takes accuse metering device, includes takes accuse case, take one side of accuse case to have the chamber door through the hinge, take accuse case and chamber door all to be connected with the auto-lock subassembly, take accuse case's inside to be fixed with strapping table, voltage transformer and boss, take accuse case's outer wall surface fixation to have current transformer, the inner wall surface fixation of chamber door has the boss, one side surface fixation that the chamber door was kept away from to the boss has vacuum circuit breaker, the boss is kept away from take accuse case's one end to have seted up the opening, be equipped with the tight pulley in the opening, the tight pulley is fixed in through the fixing base the inner wall surface of chamber door, the auto-lock subassembly is connected with power component, the auto-lock subassembly is including first rotation axis, the both ends of first rotation axis all are connected with take accuse case's inner wall through the bearing frame, the bottom outer peripheral face of first rolling wheel and the one end fixed connection of first wire rope, the first rolling wheel is kept away from one side surface of chamber door is fixed with the first wire rope, the first rolling wheel is connected with the second wire rope through the first rotation axis is fixed to the second rotation axis.
Further, the power assembly comprises a power box, the power box is fixed on the surface of the inner wall of the top end of the cost control box, a motor is fixed on the inner wall of the bottom end of the power box, an output shaft of the motor is connected with a worm through a coupler, one side of the worm is connected with a turbine in a meshed mode, and the turbine is fixed on the outer circumferential surface of one end of the first rotating shaft penetrating through the power box.
Further, a first gear is coaxially arranged right above the turbine, one side of the first gear is connected with a second gear in a meshed mode, and the second gear is fixed on the outer circumferential surface of one end of the second rotating shaft penetrating through the power box.
Further, the power component is connected with the limiting component, the limiting component comprises a rack, the rack is meshed with the worm, the rack penetrates through the power box and extends to the inside of the cost control box, the bottom surface of the rack is slidably connected with a sliding rail, the sliding rail is fixed on the inner wall of the power box, one end, away from the worm, of the rack is provided with a barb through a die integrated into one piece, the barb is spliced with a limiting groove, and the limiting groove is formed in the top end of the cost control box.
Further, the bottom surface of the rack is embedded with balls.
Further, the cross section of the limiting groove body is L-shaped.
Further, a through hole for the first steel wire rope and the second steel wire rope to pass through is formed in the shell of the boss, and a tensioning wheel is fixed on the inner wall of the hole body of the through hole.
Further, the outer peripheral surface of the fixed wheel is fixed with a convex ring.
Further, the inner wall surface of the cost control box is fixedly provided with an electromagnetic lock, the electromagnetic lock is magnetically connected with a magnetic attraction plate, and the magnetic attraction plate is embedded into the inner wall surface of the boss.
Furthermore, a sealing strip is adhered to one side surface of the convex frame, and the shape and the size of the sealing strip are the same as those of one side surface of the convex frame.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the invention can provide a self-locking component which is difficult to destroy for the charge control box when the charge control box is closed, thereby preventing the electricity stealing phenomenon, and specifically comprises the following steps: through the cooperation of auto-lock subassembly, take accuse case and chamber door to when opening power component drive the second rotation axis in the auto-lock subassembly and the rotation of first rotation axis are in opposite directions, first rolling wheel on the first rotation axis and the second rolling wheel on the second rotation axis are a receipts line one unwrapping wire, thereby pulling chamber door, make the chamber door rotate as the center of rotation with its upper hinge, until the chamber door hugs closely on the flange, thereby reduce the gap between expense accuse case and the chamber door, when making someone pull the chamber door enlarge this gap, still be difficult to insert the instrument along this gap and cut first wire rope and second wire rope, open the chamber door.
Secondly, the self-locking assembly can assist the self-locking assembly to further prevent the door from moving, and when the worm rotates, the rack in the limiting assembly is meshed with the worm, so that the rack can convert circumferential displacement of the worm into self linear displacement along the track of the outer peripheral surface of the worm until the barb on the rack is inserted into the limiting groove formed in the door, and therefore the barb is utilized to hook the limiting groove, and the door is prevented from moving.
The invention will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure of the cost control box of the present invention;
FIG. 3 is an enlarged view of the structure of the area A in FIG. 2;
FIG. 4 is an enlarged view of the structure of the area B in FIG. 2;
FIG. 5 is a schematic view of the power assembly of the present invention;
fig. 6 is a schematic structural view of the present invention.
In the figure: 1. a fee control box; 11. a meter; 12. a voltage transformer; 13. a current transformer; 14. a convex frame; 141. a sealing strip; 15. an electromagnetic lock; 2. a door; 21. a vacuum circuit breaker; 22. a boss; 23. an opening; 24. a fixed wheel; 241. a convex ring; 25. a limit groove; 26. a magnetic suction plate; 27. a through hole; 28. a tensioning wheel; 3. a self-locking assembly; 31. a first rotation shaft; 32. the first winding wheel; 33. a first wire rope; 34. a second rotation shaft; 35. the second winding wheel; 36. a second wire rope; 4. a power assembly; 41. a power box; 42. a motor; 43. a worm; 44. a turbine; 45. a first gear; 46. a second gear; 5. a limit component; 51. a rack; 52. a barb; 521. a ball; 53. a slide rail.
Detailed Description
In order that the invention may be more fully understood, a more particular description of the invention will be rendered by reference to the appended drawings, in which several embodiments of the invention are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the invention.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-4, a 10KV secondary fusion floor type fee control metering device comprises a fee control box 1, wherein one side of the fee control box 1 is hinged with a box door 2 through a hinge, the fee control box 1 and the box door 2 are both connected with a self-locking assembly 3, a meter 11, a voltage transformer 12 and a convex frame 14 are fixed in the fee control box 1, a current transformer 13 is fixed on the outer wall surface of the fee control box 1, a boss 22 is fixed on the inner wall surface of the box door 2, a vacuum breaker 21 is fixed on the surface of one side of the boss 22 far away from the box door 2, an opening 23 is formed in one end of the boss 22 far away from the fee control box 1, a fixed wheel 24 is arranged in the opening 23, the fixed wheel 24 is fixed on the inner wall surface of the box door 2 through a fixing seat, the self-locking assembly 3 is connected with a power assembly 4, the self-locking assembly 3 comprises a first rotary shaft 31, both ends of the first rotating shaft 31 are connected with the inner wall of the cost control box 1 through bearing seats, a first winding wheel 32 is fixed on the outer peripheral surface of the bottom end of the first rotating shaft 31, the outer peripheral surface of the first winding wheel 32 is fixedly connected with one end of a first steel wire rope 33, the first winding wheel 32 is connected with the fixed wheel 24 through the first steel wire rope 33, one side of the first winding wheel 32 is provided with a second rotating shaft 34, the second rotating shaft 34 is fixed on the inner wall of the cost control box 1 through bearing seats and is connected with the inner wall of the cost control box 1, a second winding wheel 35 is fixed at the bottom end of the second rotating shaft 34, the outer peripheral surface of the second winding wheel 35 is fixedly connected with one end of a second steel wire rope 36, the second winding wheel 35 is connected with the fixed wheel 24 through the second steel wire rope 36, and a dustproof, rainproof and small animal-proof shutter is arranged on the cost control box 1, and facilities capable of being sealed are assembled in the cost control box 1, for example, a tamper-proof sealing cap is matched, and a sealing shaft of the facility is matched with the tamper-proof sealing cap.
Specifically, referring to fig. 1, a sealing strip 141 is adhered to one side surface of the flange 14, and the shape and size of the sealing strip 141 are the same as those of one side surface of the flange 14, so that the flange 14 is made of an elastic material of the sealing strip 141, thereby reducing the gap between the flange 14 and the door 2 and improving the sealing effect of the door 2.
Specifically, please refer to fig. 1 and 2, the electromagnetic lock 15 is fixed on the inner wall surface of the fee control box 1, the electromagnetic lock 15 is magnetically connected with the magnetic attraction plate 26, and the magnetic attraction plate 26 is embedded in the inner wall surface of the boss 22, so that the fee control box 1 attracts the magnetic attraction plate 26 on the box door 2 through the electromagnetic lock 15 after being electrified thereon, thereby further enhancing the sealing effect of the box door 2 on the electromagnetic lock 15, and the fee control box can be connected with one another through a singlechip with the model of STM32, an alarm chip with the model of MM-100, a wifi chip of the ESP8266 and the electromagnetic lock 15, so that when someone damages the electromagnetic lock 15, the fee control box can be timely received and matched with surrounding cameras for monitoring.
Specifically, referring to fig. 1, 2 and 6 again, the housing of the boss 22 is provided with a through hole 27 through which the first wire rope 33 and the second wire rope 36 pass, and the inner wall of the hole body of the through hole 27 is fixed with a tensioning wheel 28, so that the first wire rope 33 and the second wire rope 36 passing through the through hole 27 are pressed on the outer peripheral surface of the tensioning wheel 28, thereby maintaining a tight state, and preventing the first wire rope 33 and the second wire rope 36 from being stuck to the through hole 27 to damage the housing of the boss 22 provided with the through hole 27.
Specifically, referring to fig. 2 and 5, the power assembly 4 includes a power box 41, the power box 41 is fixed on the top end inner wall surface of the cost control box 1, a motor 42 is fixed on the bottom end inner wall of the power box 41, an output shaft of the motor 42 is connected with a worm 43 through a coupling, one side of the worm 43 is engaged and connected with a turbine 44, and the turbine 44 is fixed on an outer circumferential surface of one end of the first rotating shaft 31 penetrating through the power box 41, so that when the output shaft of the motor 42 drives the worm 43 connected thereto to rotate, torque is transmitted to the turbine 44 on the first rotating shaft 31 and drives the first rotating shaft 31 to rotate due to the engagement of the worm 43 and the turbine 44 on the first rotating shaft 31.
Specifically, referring to fig. 3, a collar 241 is fixed on the outer peripheral surface of the fixed sheave 24, so that the fixed sheave 24 is separated into two portions for placing the first wire rope 33 and the second wire rope 36 by the collar 241 fixed thereon, thereby preventing the first wire rope 33 and the second wire rope 36 from interfering with each other during movement.
Specifically, referring to fig. 5, a first gear 45 is coaxially disposed directly above the turbine 44, one side of the first gear 45 is engaged with and connected with a second gear 46, and the second gear 46 is fixed on an outer circumferential surface of one end of the second rotating shaft 34 penetrating through the power box 41, so that when the first rotating shaft 31 rotates, the first gear 45 on the first rotating shaft 31 is engaged with the second gear 46 on the second rotating shaft 34, thereby driving the second rotating shaft 34 to rotate along a direction opposite to the rotating direction of the first rotating shaft 31.
Specifically, please refer to fig. 5, the power assembly 4 is connected with the limit assembly 5, the limit assembly 5 includes a rack 51, the rack 51 is meshed with the worm 43, the rack 51 penetrates through the power box 41 and extends into the interior of the fee control box 1, a sliding rail 53 is slidably connected to the bottom end surface of the rack 51, the sliding rail 53 is fixed on the inner wall of the power box 41, one end of the rack 51, which is far away from the worm 43, is integrally formed with a barb 52 through a mold, the barb 52 is inserted into the limit groove 25, the limit groove 25 is formed at the top end of the fee control box 1, the cross section of the groove body of the limit groove 25 is L-shaped, so that when the worm 43 rotates, the rack 51 is meshed with the worm 43 along the track of the outer peripheral surface of the worm 43, the circumferential displacement of the worm 43 is converted into self linear displacement until the barb 52 on the rack 51 is inserted into the limit groove 25 formed on the box door 2, thereby utilizing the barb 52 to hook the limit groove 25, thereby preventing the rolling of the rolling ball from being carried out on the bottom end surface of the rack 51, and the rolling ball 53 is prevented from being inserted into the sliding rail 53 when the rolling on the bottom end surface of the rack 53.
The specific operation mode of the invention is as follows:
when the electronic components in the charge control box 1 are finished and inspected, and the charge control box 1 needs to be closed, a user firstly starts a motor 42 in the power assembly 4, an output shaft of the motor 42 drives a worm 43 connected with the motor to rotate, and as the worm 43 is meshed with a turbine 44 on the first rotating shaft 31, torque is transmitted to the turbine 44 on the first rotating shaft 31 and drives the first rotating shaft 31 to rotate, a first gear 45 on the first rotating shaft 31 is meshed with a second gear 46 on the second rotating shaft 34, and then drives the second rotating shaft 34 to rotate along the opposite direction of the rotating direction of the first rotating shaft 31, at the moment, as the first winding wheel 32 on the first rotating shaft 31 is connected with a fixed wheel 24 on the box door 2 through a first steel wire rope 33, the second winding wheel 35 on the second rotating shaft 34 is connected with the fixed wheel 24 through a second steel wire rope 36, so that the box door 2 is pulled by using one wire winding and paying off of the first winding wheel 32 and the second winding wheel 35, the box door 2 rotates by taking a hinge on the first winding wheel as a rotating center, until the box door 2 is rotated along the opposite direction of the rotating direction of the first rotating shaft 31, and at the time, the first winding wheel 32 is still difficult to be inserted into a gap 2 and the gap 2 is still pulled by a person to be in the box door 2, and the gap 2 is difficult to be opened, and the gap is still pulled by the box door 2, and the tool is difficult to be opened, and the gap 2 is pulled and the gap is opened.
When the charge control box 1 is used, data are recorded through the meter 11 in the charge control box 1, the voltage transformer 12 and the current transformer 13 on the charge control box 1 are used for supporting the current signal of the FTU intelligent controller, and the zero sequence current signal is provided by an independent current transformer 13, so that the inner diameter of the zero sequence current transformer meets the cable installation requirement, and the manual opening and closing valve equipped on the charge control box 1 is used for emergency power supply, and the vacuum circuit breaker 21 is fixed on the boss 22 of the box door 2, so that the incoming line of the vacuum circuit breaker 21 is utilized for isolating the outgoing line to be grounded, and reliable electric and mechanical interlocking is realized among the isolating switch, the grounding switch and the circuit breaker, so that the five-prevention requirement is met.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the embodiments described above, but is intended to be within the scope of the invention, as long as such insubstantial modifications are made by the method concepts and technical solutions of the invention, or the concepts and technical solutions of the invention are applied directly to other occasions without any modifications.
Claims (7)
1. The 10KV secondary fusion floor type fee control metering device comprises a fee control box (1), and is characterized in that one side of the fee control box (1) is hinged with a box door (2) through a hinge, the fee control box (1) and the box door (2) are both connected with a self-locking assembly (3), a meter (11), a voltage transformer (12) and a convex frame (14) are fixed in the fee control box (1), and a current transformer (13) is fixed on the surface of the outer wall of the fee control box (1);
a boss (22) is fixed on the inner wall surface of the box door (2), a vacuum breaker (21) is fixed on the surface of one side, far away from the box door (2), of the boss (22), an opening (23) is formed in one end, far away from the cost control box (1), of the boss (22), a fixed wheel (24) is arranged in the opening (23), and the fixed wheel (24) is fixed on the inner wall surface of the box door (2) through a fixed seat;
the self-locking assembly (3) is connected with the power assembly (4), the self-locking assembly (3) comprises a first rotating shaft (31), two ends of the first rotating shaft (31) are connected with the inner wall of the cost control box (1) through bearing seats, a first winding wheel (32) is fixed on the outer circumferential surface of the bottom end of the first rotating shaft (31), the outer circumferential surface of the first winding wheel (32) is fixedly connected with one end of a first steel wire rope (33), the first winding wheel (32) is connected with the fixed wheel (24) through the first steel wire rope (33), a second rotating shaft (34) is arranged on one side of the first winding wheel (32), the second rotating shaft (34) is fixed on the inner wall of the cost control box (1) through bearing seats, a second winding wheel (35) is fixed at the bottom end of the second rotating shaft (34), the outer circumferential surface of the second winding wheel (35) is fixedly connected with one end of a second steel wire rope (36), and the second winding wheel (35) is fixedly connected with the fixed wheel (24) through the second steel wire rope (36).
The power assembly (4) comprises a power box (41), the power box (41) is fixed on the top end inner wall surface of the cost control box (1), a motor (42) is fixed on the bottom end inner wall of the power box (41), an output shaft of the motor (42) is connected with a worm (43) through a coupler, one side of the worm (43) is connected with a turbine (44) in a meshed mode, the turbine (44) is fixed on the outer circumferential surface of one end of the first rotating shaft (31), penetrating through the power box (41), and when the motor (42) output shaft drives the worm (43) connected with the motor to rotate, the worm (43) is meshed with the turbine (44) on the first rotating shaft (31), so that torque is transmitted to the turbine (44) on the first rotating shaft (31) and drives the first rotating shaft (31) to rotate;
a first gear (45) is coaxially arranged right above the turbine (44), one side of the first gear (45) is connected with a second gear (46) in a meshed manner, the second gear (46) is fixed on the outer circumferential surface of one end of the second rotating shaft (34) penetrating through the power box (41), and when the first rotating shaft (31) rotates, the first gear (45) on the first rotating shaft (31) is meshed with the second gear (46) on the second rotating shaft (34), so that the second rotating shaft (34) is driven to rotate along the opposite direction of the rotating direction of the first rotating shaft (31);
the power assembly (4) is connected with the limit assembly (5), the limit assembly (5) comprises a rack (51), the rack (51) is meshed with the worm (43), the rack (51) penetrates through the power box (41) to extend into the cost control box (1), the bottom end surface of the rack (51) is connected with a sliding rail (53) in a sliding mode, and the sliding rail (53) is fixed on the inner wall of the power box (41);
one end that worm (43) was kept away from to rack (51) has barb (52) through mould integrated into one piece, barb (52) are pegged graft mutually with spacing groove (25), spacing groove (25) set up in the top of taking accuse case (1) for when worm (43) rotated, because rack (51) in spacing subassembly (5) meshed with worm (43), make rack (51) can change the circumference displacement of worm (43) into self linear displacement along the track of worm (43) outer peripheral face, until barb (52) on rack (51) insert in spacing groove (25) offered on chamber door (2), thereby utilize barb (52) to catch spacing groove (25), thereby prevent chamber door (2) to remove, prevent to steal the electric phenomenon.
2. The 10KV secondary fusion floor cost control metering device according to claim 1, wherein the bottom end surface of the rack (51) is embedded with a ball (521).
3. The 10KV secondary fusion floor cost control metering device according to claim 2, wherein the cross section of the limiting groove (25) groove body is L-shaped.
4. The 10KV and secondary fusion landing fee control metering device according to claim 1, wherein a through hole (27) for the first steel wire rope (33) and the second steel wire rope (36) to pass through is formed in a shell of the boss (22), and a tensioning wheel (28) is fixed on the inner wall of a hole body of the through hole (27).
5. The 10KV secondary fusion landing fee control metering device according to claim 1, wherein the outer circumferential surface of the fixed wheel (24) is fixed with a convex ring (241).
6. The 10KV and secondary fusion floor type fee-control metering device according to claim 1, wherein an electromagnetic lock (15) is fixed on the inner wall surface of the fee-control box (1), the electromagnetic lock (15) is magnetically connected with a magnetic suction plate (26), and the magnetic suction plate (26) is embedded in the inner wall surface of the boss (22).
7. The 10KV and secondary fusion floor cost control metering device according to claim 1, wherein a sealing strip (141) is adhered to one side surface of the convex frame (14), and the shape and the size of the sealing strip (141) are the same as those of one side surface of the convex frame (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387025.3A CN112684227B (en) | 2020-12-01 | 2020-12-01 | 10KV and primary and secondary fusion landing fee control metering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387025.3A CN112684227B (en) | 2020-12-01 | 2020-12-01 | 10KV and primary and secondary fusion landing fee control metering device |
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| Publication Number | Publication Date |
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| CN112684227A CN112684227A (en) | 2021-04-20 |
| CN112684227B true CN112684227B (en) | 2023-06-09 |
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| CN202011387025.3A Active CN112684227B (en) | 2020-12-01 | 2020-12-01 | 10KV and primary and secondary fusion landing fee control metering device |
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| CN113782355B (en) * | 2021-10-28 | 2022-02-22 | 南通金茂防爆电气有限公司 | Electromechanical locking device of explosion-proof electrical equipment combination |
| CN116859100B (en) * | 2023-05-29 | 2024-08-16 | 河南东润电业集团有限公司 | 10KV specially becomes intelligent metering device |
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Denomination of invention: A 10KV primary and secondary fusion landing cost control metering device Granted publication date: 20230609 Pledgee: Jiujiang Bank Co.,Ltd. Nanchang Branch Pledgor: NANCHANG GUANGHUI ELECTRICAL TECHNOLOGY CO.,LTD. Registration number: Y2024980034813 |
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