CN115711237A - Energy-saving axial flow fan for spinning - Google Patents
Energy-saving axial flow fan for spinning Download PDFInfo
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- CN115711237A CN115711237A CN202211541856.0A CN202211541856A CN115711237A CN 115711237 A CN115711237 A CN 115711237A CN 202211541856 A CN202211541856 A CN 202211541856A CN 115711237 A CN115711237 A CN 115711237A
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- flow fan
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- 238000009987 spinning Methods 0.000 title claims abstract description 15
- 239000000428 dust Substances 0.000 claims description 27
- 238000001514 detection method Methods 0.000 claims description 23
- 238000009423 ventilation Methods 0.000 claims description 15
- 239000004753 textile Substances 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 9
- 238000000429 assembly Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 17
- 238000000034 method Methods 0.000 description 5
- 238000010892 electric spark Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The invention provides an energy-saving axial flow fan for spinning, and relates to the technical field of fans.
Description
Technical Field
The invention relates to the technical field of ventilators, in particular to an energy-saving axial flow ventilator for spinning.
Background
The axial flow fan is the most commonly used ventilation and air supply equipment in the market, and is called as axial flow type because air flows parallel to the fan shaft, namely airflow in the same direction as the shaft of the fan blade, and can be used for ventilating the textile working environment more efficiently when being applied to textile processing.
The ventilator exists in the practical application process:
1. the ventilation blower is when carrying out the ventilation operation, because weaving the inside that the course of working has a lot of textile fragments to enter into the ventilation blower, and the ventilation blower lacks again whether to have the electric leakage condition to the driving motor and carry out real-time detection, if there is the potential safety hazard easily when the electric leakage condition appears.
In view of this, research and improvement are carried out to the existing structure and deficiency, and an energy-saving axial flow fan for spinning is provided.
Disclosure of Invention
The invention provides an energy-saving axial flow fan for spinning, which solves the problems that when the fan is used for ventilating, a lot of textile scraps enter the fan in the spinning processing process, the fan is lack of real-time detection on whether a driving motor has an electric leakage condition, and potential safety hazards easily exist when the electric leakage condition occurs.
The invention provides a purpose and an effect of an energy-saving axial flow fan for spinning, which specifically comprise the following steps: base and subassembly of making a video recording, the main part of base is the rectangle structure, and fixedly connected with curb plate on the top face of base, and motor A is installed on the right side of curb plate, and the bearing structure to motor A has been constituteed jointly to base and curb plate, installs the guide roller on motor A's the left side output, and the outer peripheral face of guide roller is coarse structure, the subassembly of making a video recording is used for shooing motor B, installs electric putter and spring beam on the bottom face of transverse member in the support frame, and well accuse module is installed to the bottom of electric putter and spring beam.
Furthermore, sliding blocks are connected inside an annular groove formed in the guide seat in a sliding mode, a filter screen is fixedly connected to the inner sides of every two sliding blocks which are longitudinally adjacent, a gap is formed between the outer side face of each filter screen and the inner wall of the guide seat, the gap is used for allowing the support to penetrate through, and a motor B is installed at the top end of the guide pipe.
Furthermore, the central control module is used for processing pictures shot by the camera shooting assembly, the longitudinal position of the central control module is adjusted through the electric push rod, two detection assemblies are oppositely arranged on the inner wall of the central control module, the detection assemblies are of telescopic structures with springs, the detection assemblies are used for detecting the electric leakage condition of the motor B, and the central control module is provided with a grounding wire.
Furthermore, the catheter is of a cylindrical structure, the connecting pipe penetrates through the catheter upwards, the top end of the base is fixedly connected with the support, the support is provided with two positions, the inner sides of the two supports are fixedly connected with the inhalator, and the inhalator is connected with the connecting pipe.
Furthermore, a fan body is coaxially installed on the left side of the bevel gear B and used for ventilation, a support frame is fixedly connected to the outer side of the base, a hook is fixedly connected to the top end face of the transverse member in the support frame, and a camera shooting assembly is further installed on the bottom end face of the transverse member in the support frame.
Further, fixedly connected with stand on the top face of base, logical groove has been seted up to the inside of stand, and the internally mounted that should lead to the groove has the dust remover, and the top of dust remover is installed and is taken over, the top fixedly connected with pipe of stand.
Furthermore, a bevel gear A is installed at the bottom end of the motor B, a bevel gear B is further installed on the inner wall of the guide pipe, the bevel gear B is in meshing transmission with the bevel gear A, and the motor B and the bevel gear A jointly form a driving structure for the bevel gear B.
Furthermore, the suction grooves are formed in the front side and the rear side of the inhaler, the guide cylinder is rotatably connected to the outer side of the guide pipe, the guide cylinder is provided with two positions, the guide seat is fixedly connected to one side of the two guide cylinders, which is far away from the guide pipe, the guide seat is of an annular structure, and an annular groove is formed in the guide seat.
Compared with the prior art, the invention has the following beneficial effects:
1. when ventilation operation is needed, the bevel gear A can be driven to rotate by starting the motor B arranged on the outer side of the guide pipe, the fan body is driven to rotate synchronously by the meshing transmission of the bevel gear A and the bevel gear B, the textile processing operation is quickly ventilated by the rotation of the fan body, and when the ventilation operation is carried out, the dust remover arranged in the stand column can be started to carry out quick collection treatment on dust sucked in the guide cylinder and the guide pipe through the connecting pipe and the suction groove formed in the outer side of the suction device, and the situation that the rotation of the fan body is blocked due to excessive dust is avoided by cleaning the guide cylinder and the guide pipe, so that the aim of saving more energy is fulfilled.
2. When the device is in a restarting state after being stopped, certain dust can be inevitably attached to the inner walls of the guide cylinder and the guide pipe at the moment, the dust remover can be started, the dust in the guide cylinder and the guide pipe can be cleaned through the connecting pipe and the suction device, the guide roller can be driven to rotate by starting the motor A installed on the outer side of the side plate, the guide cylinder on one side is driven to rotate through the friction transmission of the guide roller and the guide seat arranged on the outer side of the guide cylinder, the synchronous rotating operation of the guide cylinder at two positions can be realized through the magnetic adsorption of the guide cylinder on the guide cylinder, the design can automatically and rapidly remove the dust attached to the inner wall in the guide cylinder through the active rotation of the guide cylinder, and further the purpose of being more practical is achieved.
3. In the working process of the motor B, continuous monitoring operation can be carried out on the working condition of the current motor B through the camera assembly arranged at the bottom end of the transverse member in the support frame, after the motor B works for a period of time, the central control module can be pushed downwards by starting the electric push rod arranged at the bottom end of the support frame, when the central control module is sleeved on the outer side of the motor B, extrusion can be synchronously caused on the detection assembly arranged in the central control module, whether the current motor B shell is subjected to quick detection through the detection assembly or not, whether abnormal conditions such as electric sparks exist or not when the detection assembly is contacted with the shell of the motor B or not is subjected to continuous detection operation through the camera assembly, if the abnormal conditions of the motor B are detected, the motor B can be synchronously closed, and the problem that potential safety hazards can be generated due to the abnormal conditions of the electric leakage of the shell of the motor B is effectively avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
In the drawings:
fig. 1 is a front side view schematically showing a ventilator according to an embodiment of the present invention in a partially cut-away state;
FIG. 2 is a schematic diagram showing a right side view of a ventilator according to an embodiment of the present invention in a partially cutaway state;
FIG. 3 shows a front side view of a ventilator according to an embodiment of the present invention;
figure 4 shows a schematic front view of a ventilator according to an embodiment of the invention;
figure 5 shows a schematic view of a support bracket to detection assembly display structure of a ventilator according to an embodiment of the present invention;
figure 6 shows a schematic view of a base-to-fan display structure of a ventilator according to an embodiment of the present invention;
FIG. 7 shows an enlarged schematic view at A of FIG. 2 of a ventilator according to an embodiment of the present invention;
fig. 8 shows an enlarged structural view at B in fig. 2 of the ventilator according to the embodiment of the present invention.
List of reference numerals
1. A base; 2. a side plate; 3. a motor A; 4. a guide roller; 5. a column; 6. a dust remover; 7. taking over the pipe; 8. a conduit; 9. a support; 10. an inhaler; 11. a guide cylinder; 12. a guide seat; 13. a slider; 14. filtering with a screen; 15. a motor B; 16. a bevel gear A; 17. a bevel gear B; 18. a fan body; 19. a support frame; 20. hooking; 21. a camera assembly; 22. an electric push rod; 23. a spring lever; 24. a central control module; 25. and a detection component.
The embodiments of the present invention will be described in further detail with reference to the drawings and examples.
Detailed Description
The embodiment is as follows:
as shown in figures 1 to 8:
the invention provides an energy-saving axial flow fan for spinning, which comprises: the main body of the base 1 is a rectangular structure, a side plate 2 is fixedly connected to the top end face of the base 1, a motor A3 is installed on the right side of the side plate 2, the base 1 and the side plate 2 jointly form a supporting structure for the motor A3, a guide roller 4 is installed on the left output end of the motor A3, the peripheral surface of the guide roller 4 is of a rough structure, the camera shooting assembly 21 is used for shooting a motor B15, an electric push rod 22 and a spring rod 23 are installed on the bottom end face of a transverse component in a supporting frame 19, a central control module 24 is installed at the bottom ends of the electric push rod 22 and the spring rod 23, the central control module 24 is used for processing pictures shot by the camera shooting assembly 21, the longitudinal position of the central control module 24 is adjusted through the electric push rod 22, two detection assemblies 25 are installed on the inner wall of the central control module 24 in an opposite direction, the detection assemblies 25 are of a telescopic structure with springs, and the detection assemblies 25 are used for detecting the electric leakage condition of the motor B15, and the central control module 24 has a grounding wire, when the device is in a restart state after being stopped, a certain amount of dust inevitably adheres to the inner walls of the guide cylinder 11 and the guide pipe 8, at this time, the dust remover 6 can be started, the dust in the guide cylinder 11 and the guide pipe 8 can be cleaned through the adapter 7 and the inhaler 10, the motor A3 arranged outside the side plate 2 can be started to drive the guide roller 4 to rotate, the guide cylinder 11 on one side can be driven to rotate through the friction transmission between the guide roller 4 and the guide seat 12 arranged outside the guide cylinder 11, the synchronous rotation operation of the two guide cylinders 11 can be realized through the magnetic adsorption of the guide cylinder 11 to the guide cylinder 11, the design can automatically and rapidly clean the dust adhered to the inner walls in the guide cylinder 11 through the active rotation of the guide cylinder 11, thereby achieving the purpose of more practicability.
The top end face of the base 1 is fixedly connected with a stand column 5, a through groove is formed in the stand column 5, a dust remover 6 is installed in the through groove, a connecting pipe 7 is installed at the top end of the dust remover 6, a guide pipe 8 is fixedly connected to the top end of the stand column 5, the guide pipe 8 is of a cylindrical structure, the connecting pipe 7 upwards penetrates through the guide pipe 8, a support 9 is fixedly connected to the top end of the base 1, the support 9 is provided with two positions, an inhaler 10 is fixedly connected to the inner sides of the two supports 9, the inhaler 10 is connected with the connecting pipe 7, when ventilation operation is needed, a motor B15 installed on the outer side of the guide pipe 8 is started to drive a helical gear A16 to rotate, a fan body 18 is synchronously driven to rotate through meshing transmission of the helical gear A16 and the helical gear B17, rapid ventilation operation is performed on textile processing work through rotation of the fan body 18, when ventilation operation is performed, dust sucked in the guide pipe 11 and the guide pipe 8 can be rapidly collected through suction grooves formed in the outer sides of the connecting pipe 7 and the inhaler 10 by starting the dust remover 6 installed in the stand column 5, and accordingly, and the situation that the rotation of the fan body 18 is prevented from being rotated due to the phenomenon of energy-saving, can be further achieved.
Wherein, inhalation groove has all been seted up to inhaler 10's front and back both sides, the outside of pipe 8 is rotated and is connected with guide 11, guide 11 is equipped with two altogether, and keep away from the equal fixedly connected with guide 12 in one side of pipe 8 in two guide 11, guide 12 is the loop configuration, and guide 12's inside has seted up the ring channel, the inside sliding connection of the ring channel that sets up in guide 12 has slider 13, the inboard fixedly connected with filter screen 14 of every two vertical adjacent slider 13, the lateral surface of filter screen 14 has the clearance apart from guide 12's inner wall, this clearance is used for support 9 to pass, motor B15 is installed on the top of pipe 8.
Wherein, the bottom end of the motor B15 is installed with a helical gear a16, the inner wall of the conduit 8 is also installed with a helical gear B17, the helical gear B17 is in mesh transmission with the helical gear a16, the motor B15 and the helical gear a16 jointly form a driving structure for the helical gear B17, the left side of the helical gear B17 is coaxially installed with a fan 18, the fan 18 is used for ventilation, the outer side of the base 1 is fixedly connected with a supporting frame 19, the top end surface of a transverse member in the supporting frame 19 is fixedly connected with a hook 20, the bottom end surface of the transverse member in the supporting frame 19 is also installed with a camera module 21, when the motor B15 works, the camera module 21 arranged at the bottom end of the transverse member in the supporting frame 19 can continuously monitor the current working condition of the motor B15, and after the motor B15 works for a period of time, the central control module 24 can be pushed downwards by starting an electric push rod 22 installed at the bottom end of the supporting frame 19, when the central control module 24 is sleeved outside of the motor B15, the detection module 25 can synchronously squeeze the detection module 25 installed in the central control module 24, and the detection module can detect whether there is an electric leakage on the current motor B15, and the case that there is an abnormal situation, if there is an abnormal situation that the electric spark is detected, the motor B15 is abnormal situation, the abnormal situation, and the abnormal situation can be detected, and the abnormal situation that the electric spark detection module B15 can be detected, and the abnormal situation that the abnormal situation can be detected, if there is detected, the abnormal situation can be detected, the abnormal situation that the abnormal situation can be detected.
When in use: firstly, when an axial flow fan is needed to ventilate in the textile processing process, the device can be placed at a proper position through the base 1, and the filter screens 14 arranged in the two guide cylinders 11 are not blocked by shielding objects;
when ventilation operation is needed, the motor B15 arranged outside the guide pipe 8 can be started to drive the helical gear A16 to rotate, the fan body 18 is synchronously driven to rotate through the meshing transmission of the helical gear A16 and the helical gear B17, the fan body 18 rotates to perform rapid ventilation operation on textile processing work, the dust collector 6 arranged in the upright post 5 can be started to perform rapid collection treatment on dust sucked in the guide cylinder 11 and the guide pipe 8 through the connecting pipe 7 and the suction groove formed on the outer side of the suction device 10, and the guide cylinder 11 and the guide pipe 8 are cleaned to avoid the phenomenon that the rotation of the fan body 18 is blocked due to excessive dust, so that the aim of saving more energy is achieved;
when the device is in a restarting state after being stopped, certain dust is inevitably adhered to the inner walls of the guide cylinder 11 and the guide pipe 8, the dust remover 6 can be started, the dust in the guide cylinder 11 and the guide pipe 8 can be cleaned through the adapter tube 7 and the suction device 10, the motor A3 arranged on the outer side of the side plate 2 can be started to drive the guide roller 4 to rotate, the guide cylinder 11 on one side is driven to rotate through the friction transmission of the guide roller 4 and the guide seat 12 arranged on the outer side of the guide cylinder 11, and the synchronous rotating operation of the two guide cylinders 11 is realized through the magnetic adsorption of the guide cylinder 11 on the guide cylinder 11, the design can automatically and quickly clean the dust adhered to the inner walls in the guide cylinder 11 through the active rotation of the guide cylinder 11, so that the purpose of being more practical is achieved;
and in the working process of the motor B15, the camera assembly 21 arranged at the bottom end of the transverse member in the support frame 19 can be used for continuously monitoring the working condition of the current motor B15, and after the motor B15 works for a period of time, the central control module 24 can be pushed downwards by starting the electric push rod 22 arranged at the bottom end of the support frame 19, when the central control module 24 is sleeved outside the motor B15, the detection assembly 25 arranged in the central control module 24 can be synchronously extruded, whether the current motor B15 shell has an electric leakage condition or not can be synchronously and quickly detected through the detection assembly 25, whether the detection assembly 25 is in contact with the shell of the motor B15 or not has an electric spark or other abnormal conditions can be continuously detected through the camera assembly 21, if the working condition of the motor B15 is detected to be abnormal, the motor B15 can be synchronously closed, and the problem that the potential safety hazard can be caused by the abnormal electric leakage of the shell of the motor B15 is effectively avoided.
Claims (8)
1. An energy-saving axial flow fan for spinning is characterized by comprising: base (1) and subassembly (21) of making a video recording, the main part of base (1) is the rectangle structure, and fixedly connected with curb plate (2) on the top face of base (1), and motor A (3) are installed on the right side of curb plate (2), and base (1) and curb plate (2) have constituteed the bearing structure to motor A (3) jointly, install on the left side output of motor A (3) and lead movable roller (4), and the outer peripheral face that leads movable roller (4) is coarse structure, subassembly (21) of making a video recording are used for shooing motor B (15), install electric putter (22) and spring beam (23) on support frame (19) horizontal component's the bottom face, and well accuse module (24) are installed to the bottom of electric putter (22) and spring beam (23).
2. An energy-saving axial-flow fan for spinning as claimed in claim 1, wherein: fixedly connected with stand (5) on the top face of base (1), logical groove has been seted up to the inside of stand (5), and the internally mounted who should lead to the groove has dust remover (6), and takeover (7) are installed on the top of dust remover (6), top fixedly connected with pipe (8) of stand (5).
3. An energy-saving axial-flow fan for spinning as claimed in claim 2, wherein: the catheter (8) is of a cylindrical structure, the connecting pipe (7) penetrates through the catheter (8) upwards, the top end of the base (1) is fixedly connected with the support (9), the two supports (9) are arranged at the same position, the inner sides of the two supports (9) are fixedly connected with the inhalator (10), and the inhalator (10) is connected with the connecting pipe (7).
4. An energy-saving axial-flow fan for spinning as claimed in claim 3, wherein: the inhaler is characterized in that suction grooves are formed in the front side and the rear side of the inhaler (10), guide cylinders (11) are rotatably connected to the outer sides of the guide pipes (8), the guide cylinders (11) are provided with two positions, guide seats (12) are fixedly connected to one sides of the two guide cylinders (11) far away from the guide pipes (8), the guide seats (12) are of annular structures, and annular grooves are formed in the guide seats (12).
5. An energy-saving axial-flow fan for textile use as claimed in claim 4, wherein: the inner part of an annular groove formed in the guide seat (12) is connected with sliding blocks (13) in a sliding manner, the inner sides of every two sliding blocks (13) which are longitudinally adjacent are fixedly connected with filter screens (14), gaps are formed between the outer side surfaces of the filter screens (14) and the inner wall of the guide seat (12), the gaps are used for the support (9) to penetrate, and a motor B (15) is installed at the top end of the guide pipe (8).
6. An energy-saving axial-flow fan for spinning as claimed in claim 5, wherein: the bottom end of the motor B (15) is provided with a bevel gear A (16), the inner wall of the conduit (8) is also provided with a bevel gear B (17), the bevel gear B (17) and the bevel gear A (16) are in meshed transmission, and the motor B (15) and the bevel gear A (16) jointly form a driving structure for the bevel gear B (17).
7. An energy-saving axial-flow fan for spinning as claimed in claim 6, wherein: the fan-shaped body (18) is coaxially installed on the left side of the bevel gear B (17), the fan-shaped body (18) is used for ventilation, a supporting frame (19) is fixedly connected to the outer side of the base (1), a hook (20) is fixedly connected to the top end face of the transverse member in the supporting frame (19), and a camera shooting assembly (21) is further installed on the bottom end face of the transverse member in the supporting frame (19).
8. An energy-saving axial-flow fan for textile use as claimed in claim 1, wherein: the central control module (24) is used for processing pictures shot by the camera shooting assembly (21), the central control module (24) adjusts the longitudinal position through the electric push rod (22), two detection assemblies (25) are oppositely arranged on the inner wall of the central control module (24), the detection assemblies (25) are of a telescopic structure with springs, the detection assemblies (25) are used for detecting the electric leakage condition of the motor B (15), and the central control module (24) is provided with a grounding wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211541856.0A CN115711237B (en) | 2022-12-03 | 2022-12-03 | Energy-saving axial flow fan for spinning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211541856.0A CN115711237B (en) | 2022-12-03 | 2022-12-03 | Energy-saving axial flow fan for spinning |
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| Publication Number | Publication Date |
|---|---|
| CN115711237A true CN115711237A (en) | 2023-02-24 |
| CN115711237B CN115711237B (en) | 2023-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211541856.0A Active CN115711237B (en) | 2022-12-03 | 2022-12-03 | Energy-saving axial flow fan for spinning |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006289171A (en) * | 2005-04-06 | 2006-10-26 | Sharp Corp | Air cleaner |
| CN205154698U (en) * | 2015-11-27 | 2016-04-13 | 仨亿电器有限公司 | External axial -flow blower of motor |
| CN111911464A (en) * | 2020-09-09 | 2020-11-10 | 刘培泉 | Axial flow fan |
| KR102258030B1 (en) * | 2020-01-17 | 2021-05-31 | (주)명진 에어테크 | Dust collection airflow fan |
| CN213540761U (en) * | 2020-09-02 | 2021-06-25 | 绍兴凯翔人防设备有限公司 | Dustproof centrifugal fan |
| CN215817019U (en) * | 2021-08-27 | 2022-02-11 | 南宁市智控电气科技有限公司 | Internal environment monitoring device for power distribution cabinet |
| CN216630090U (en) * | 2021-12-06 | 2022-05-31 | 东营市东泽化工科技有限公司 | A tail gas filtration treatment device for light aromatic hydrocarbon |
-
2022
- 2022-12-03 CN CN202211541856.0A patent/CN115711237B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006289171A (en) * | 2005-04-06 | 2006-10-26 | Sharp Corp | Air cleaner |
| CN205154698U (en) * | 2015-11-27 | 2016-04-13 | 仨亿电器有限公司 | External axial -flow blower of motor |
| KR102258030B1 (en) * | 2020-01-17 | 2021-05-31 | (주)명진 에어테크 | Dust collection airflow fan |
| CN213540761U (en) * | 2020-09-02 | 2021-06-25 | 绍兴凯翔人防设备有限公司 | Dustproof centrifugal fan |
| CN111911464A (en) * | 2020-09-09 | 2020-11-10 | 刘培泉 | Axial flow fan |
| CN215817019U (en) * | 2021-08-27 | 2022-02-11 | 南宁市智控电气科技有限公司 | Internal environment monitoring device for power distribution cabinet |
| CN216630090U (en) * | 2021-12-06 | 2022-05-31 | 东营市东泽化工科技有限公司 | A tail gas filtration treatment device for light aromatic hydrocarbon |
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| CN115711237B (en) | 2023-08-01 |
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Denomination of invention: An energy-saving axial flow fan for textile use Granted publication date: 20230801 Pledgee: China Postal Savings Bank Co.,Ltd. Wucheng County Branch Pledgor: Shandong Jinxin air conditioning Group Co.,Ltd. Registration number: Y2024980010449 |