CN214218049U - Four post machines of lifting with adjustable two backup pads - Google Patents
Four post machines of lifting with adjustable two backup pads Download PDFInfo
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- CN214218049U CN214218049U CN202023210503.1U CN202023210503U CN214218049U CN 214218049 U CN214218049 U CN 214218049U CN 202023210503 U CN202023210503 U CN 202023210503U CN 214218049 U CN214218049 U CN 214218049U
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- branch fagging
- backup pad
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- crossbeam
- expansion
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- 238000002407 reforming Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a four post machines of lifting with adjustable two backup pads, including four stands, a pulley rotating assembly for controlling the synchronous lift of stand, left support board and right branch fagging, still include the backup pad expansion and adjust the crossbeam, the backup pad expansion is adjusted the crossbeam and is connected on the stand and be located pulley rotating assembly's top, the both ends that the crossbeam was adjusted in the backup pad expansion are connected respectively on two stands, be equipped with two relative and parallel backup pads expansion regulation crossbeams on four stands, the both ends difference sliding connection of left support board and right branch fagging is on two backup pads expansion regulation crossbeams. The backup pad expansion is adjusted the crossbeam and is located pulley rotating assembly's top, can avoid the shared position size of pulley rotating assembly from this, and the biggest interval between left branch fagging and the right branch fagging can reach about 1510mm, is greater than the maximum width of different grade type battery package completely, and the battery package of different electric vehicle types just can be dismantled with this four post machines of lifting after reforming transform completely like this.
Description
Technical Field
The utility model belongs to the technical field of the battery package is dismantled, concretely relates to four post machines of lifting with adjustable two backup pads for new energy automobile battery package dismantles platform.
Background
The existing lifting machines include a door type lifting machine, a double-column lifting machine, a scissor type lifting machine (a primary and secondary scissor type lifting machine, a flat plate large-shear lifting machine, an ultrathin primary and secondary scissor type lifting machine, a ton ground hiding small shear, an ultrathin small shear and a ton ultrathin flat plate positioning large shear), a four-column lifting machine, an automobile lifting platform and the like, the door type lifting machine and the double-column lifting machine prove that when an operator works on a chassis, a locking device mostly adopts single-cylinder hydraulic locking, once a hydraulic locking oil circuit bursts, accidents are caused, the safety performance of the locking device is not as good as that of the four-column lifting machine (the four-column lifting machine is generally mechanical locking and hydraulic locking and double insurance), the double-column lifting machine and the door type lifting machine are popular between 1992 and 1998, and production manufacturers are many in the period, the synchronism is good, but the mechanical abrasion and maintenance cost is high (nuts and bearings are often required to be replaced), so the lifting machines are gradually eliminated, the scissor lift generally has a scissor structure and is provided with a left hydraulic pump and a right hydraulic pump (generally four hydraulic pumps) to lift a carrier track upwards to achieve the purpose of lifting an automobile, the locking principle is hydraulic locking, the distance between the left carrier plate and the right carrier plate of the scissor lift is fixed, and the purpose of flexible disassembly cannot be achieved when a battery pack is disassembled, so that the scissor lift is not suitable for the use concept and the purpose of the company, after the lifting process of the four-column lift, the mechanical zipper devices on the two sides occupy a certain distance, so that the distance between two lifting platform tracks is limited, after the original platform tracks are outwards expanded, the distance can be controlled to be 800-1100, but the width of the battery pack is 1125-1350, and if the disassembly width is the battery pack in the largest range, the scissor lift is necessarily unsuitable. How to enlarge the distance between two supporting bottom plates at the bottom of the lifting machine under the condition of improving the safety coefficient of the lifting machine so as to adapt to battery packs with different widths becomes a difficult problem.
In the middle of the current four-column lifter, the lifter lifting device adopts a steel wire rope to force four columns to lift synchronously, the pulley rotating assemblies of the steel wire rope lifting devices on two sides occupy a certain space, and when the width of a battery pack reaches 1350mm, the space between the left and right supporting steel plates of the lifter cannot meet the width required by dismounting the battery pack.
SUMMERY OF THE UTILITY MODEL
To the not enough of existence among the prior art, the utility model aims to provide a four post machines of lifting with adjustable simple structure, convenient to use's double bracing board for new energy automobile battery package dismantles platform.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a four post machines of lifting with adjustable two backup pads, includes four stands, is used for controlling pulley rotating assembly, left branch fagging and the right branch fagging that the stand goes up and down in step, its characterized in that: the pulley rotating assembly comprises a pulley rotating assembly, and is characterized by further comprising a supporting plate expansion adjusting beam, wherein the supporting plate expansion adjusting beam is connected to the stand columns and located above the pulley rotating assembly, two ends of the supporting plate expansion adjusting beam are connected to the two stand columns respectively, two opposite and parallel supporting plate expansion adjusting beams are arranged on the four stand columns, and two end portions of the left supporting plate and the right supporting plate are connected to the two supporting plate expansion adjusting beams respectively in a sliding mode.
Furthermore, all be equipped with preceding wheel holding surface and back wheel holding surface in left branch fagging and the right branch fagging, preceding wheel holding surface and back wheel holding surface are the gyro wheel holding surface, wheel and gyro wheel holding surface contact.
Further, the gyro wheel holding surface includes a plurality of gyro wheels, and the gyro wheel is arranged along the length direction of left branch fagging and right branch fagging, and a plurality of gyro wheels parallel arrangement and rotate to be connected on left branch fagging and right branch fagging, wheel and gyro wheel contact are rolling friction between wheel and the gyro wheel holding surface.
Further, the length of the rear wheel support surface is greater than the length of the front wheel support surface.
Furthermore, the front wheel supporting surface and the rear wheel supporting surface are provided with barriers for preventing the tires from sliding off the left supporting plate and the right supporting plate, the barriers are connected to the inner peripheries of the front wheel supporting surface and the rear wheel supporting surface, and the inner sides of the treads of the four tires are tightly attached to the barriers.
Furthermore, an in-place sensor is arranged in the middle of the partition, an indicator lamp is arranged on the stand column and connected with the in-place sensor, and when the tire tread on the inner side of the tire is in contact with the partition and the extrusion in-place sensor reaches a stroke stress, an alarm indicator lamp on the stand column is turned on.
Furthermore, four post machines of lifting still include the automatically controlled hydraulic pressure adjustment mechanism that is used for adjusting left branch fagging and right branch fagging and removes, and automatically controlled hydraulic pressure adjustment mechanism includes the pneumatic cylinder, and left branch fagging and right branch fagging department all are equipped with a pneumatic cylinder, and the expansion end and the left branch fagging or the right branch fagging of pneumatic cylinder are connected, and drive left branch fagging or right branch fagging are followed the backup pad expansion and are adjusted the crossbeam and remove.
Adopt the utility model discloses technical scheme's advantage does:
1. the utility model discloses the backup pad expansion is adjusted the crossbeam and is located pulley rotating assembly's top, can avoid pulley rotating assembly position size that occupies from this, through calculating, neglect wire rope and rise, fall behind the shared space distance of pulley assembly device, the maximum interval between left branch fagging and the right branch fagging can reach about 1510mm, is greater than the maximum width of different grade type battery package completely, and the battery package of different electric motorcycle types just can be dismantled with this four post lifts after reforming system completely like this.
2. The utility model has the advantages of being simple in structure and convenient in operation, it is with low costs, change the system slightly under the background that the great electric motor car battery package can't be dismantled to the machine of lifting originally four posts, also can be with a left side when the car is on the machine loading end of lifting, the right side both sides support the support plate and remove extreme position to the limit way, originally only can only do the removal slightly with the support plate under the machine unloaded state of lifting, this also greatly reduced the operation difficulty degree, the work efficiency is improved, the drawback that the machine of lifting four posts can't be dismantled owing to dismantling the not enough in space has also been solved simultaneously to great battery package. The utility model discloses lifting four-column lifter function and reaching complementarily with former four-column lifter's function, four-column lifter also can realize the dismantlement of the great battery package of electric motor car.
Drawings
The invention will be described in further detail with reference to the following drawings and detailed description:
fig. 1 is a schematic structural view of a four-column lifter of the present invention;
fig. 2 is a schematic top view of the four-column lifting machine of the present invention;
FIG. 3 is a schematic side view of the four-column lift of the present invention;
fig. 4 is a schematic front view of the four-column lifting machine of the present invention.
The labels in the above figures are respectively: 1. a column; 3. a left support plate; 4. a right support plate; 5. the supporting plate expands and adjusts the crossbeam; 6. a front wheel-supporting surface; 7. a rear wheel support surface; 8. a roller; 9. separating the gear; 10. an in-position sensor; 11. and an indicator light.
Detailed Description
In the present invention, it is to be understood that the term "length"; "Width"; "Up"; "Down"; "front"; "Back"; "left"; "Right"; "vertical"; "horizontal"; "Top"; "bottom" "inner"; "outer"; "clockwise"; "counterclockwise"; "axial"; "planar direction"; the directional or positional relationship indicated as "circumferential" or the like is based on the directional or positional relationship shown in the drawings, and is only for convenience of description and simplified description, and does not indicate or imply that the device or element referred to must have a particular orientation; constructed and operative in a particular orientation and therefore should not be construed as limiting the invention.
As shown in fig. 1 to 4, a four post machines of lifting with adjustable two backup pads, includes four stands 1, is used for controlling pulley rotating assembly 2, left branch fagging 3 and the right branch fagging 4 that stand 1 goes up and down in step, and pulley rotating assembly 2 installs on stand 1 through connecting crossbeam 12, its characterized in that: still adjust crossbeam 5 including backup pad expansion, backup pad expansion is adjusted crossbeam 5 and is connected on stand 1 and be located pulley rotating assembly's top, and backup pad expansion is adjusted crossbeam 5 and is located the top of connecting crossbeam 12, and the both ends that crossbeam 5 was adjusted in the backup pad expansion are connected respectively on two stands 1, are equipped with two relative and parallel backup pad expansion on four stands 1 and adjust crossbeam 5, and the both ends difference sliding connection of left branch fagging 3 and right branch fagging 4 is on two backup pad expansion adjustment crossbeams 5. Preferably, the pulley rotating assembly used for controlling the synchronous lifting of the upright post 1 is a hydraulic pulley rotating assembly, the support plate expansion adjusting beam 5 is positioned above the pulley rotating assembly, so that the position size occupied by the pulley rotating assembly can be avoided, after measurement and calculation, the maximum distance between the left support plate 3 and the right support plate 4 can reach about 1510mm after the space distance occupied by the steel wire rope lifting and pulley assembly lifting device is neglected, and is completely larger than the maximum width of different types of battery packs, so that the battery packs of different electric vehicle types can be completely disassembled by the reformed four-post lifter.
The left supporting plate 3 and the right supporting plate 4 are both provided with a front wheel supporting surface 6 and a rear wheel supporting surface 7, the front wheel supporting surface 6 and the rear wheel supporting surface 7 are both roller wheel supporting surfaces, and wheels are in contact with the roller wheel supporting surfaces. The gyro wheel holding surface includes a plurality of gyro wheels 8, and gyro wheel 8 arranges along the length direction of left branch fagging 3 and right branch fagging 4, and a plurality of gyro wheels 8 parallel arrangement and rotation are connected on left branch fagging 3 and right branch fagging 4, and the wheel contacts with gyro wheel 8, is rolling friction between wheel and the gyro wheel holding surface. Present four post machines of lifting are after the vehicle gets into the backup pad top, because frictional force between wheel and the both sides backup pad platform leads to the backup pad platform can't carry out to the expansion of limit way, before the platform backup pad of both sides, install horizontal gyro wheel conveyer additional afterwards, all set up gyro wheel 8 on wheel holding surface 6 and rear wheel holding surface 7 in the front promptly, left branch fagging 3 or right branch fagging 4 have replaced the sliding friction among the prior art for rolling friction when unilateral expansion like this, reduce the resistance of sliding greatly.
The length of the rear wheel support surface 7 is greater than the length of the front wheel support surface 6. In a preferred embodiment of the present invention: according to the actual wheel track and wheel base of different grades of vehicle types, comprehensive measurement and evaluation are carried out, the length is made up, the distance between the table tops of the left support plate 3 and the right support plate 4 is enlarged to 800-1500 mm, the distance between the front wheel support surface 6 and the rear wheel support surface 7 is controlled within 2000mm, the length and the width of the rear wheel support surface 7 are (1410, 490) mm respectively, the length and the width of the front wheel support surface 6 are (500, 490) mm respectively, after a vehicle enters the lifting machine, after the front wheels are embedded into the front wheel support surface 6 of the roller support plate table top, the length of the rear wheel support surface 7 can be controlled according to different grades of vehicle types, the adjustable length range is large, and tires can be automatically adjusted to the range of the rear wheel support surface 7.
The front wheel supporting surface 6 and the rear wheel supporting surface 7 are provided with a baffle 9 for preventing tires from sliding off from the left supporting plate 3 and the right supporting plate 4, the baffle 9 is connected at the periphery of the inner sides of the front wheel supporting surface 6 and the rear wheel supporting surface 7, and the inner sides of the treads of the four tires are tightly attached to the baffle 9.
The middle part of the partition 9 is provided with an in-place sensor 10, the upright post 1 is provided with an indicator light 11, the indicator light 11 is connected with the in-place sensor 10, and when the tire tread on the inner side of the tire contacts with the partition 9 and the extrusion in-place sensor 10 reaches a stroke stress, the alarm indicator light 11 on the upright post 1 is lighted.
The four-column lifting machine further comprises an electric control hydraulic adjusting mechanism used for adjusting the left support plate 3 and the right support plate 4 to move, the electric control hydraulic adjusting mechanism comprises a hydraulic cylinder, the left support plate 3 and the right support plate 4 are respectively provided with the hydraulic cylinder, the movable end of the hydraulic cylinder is connected with the left support plate 3 or the right support plate 4, and the left support plate 3 or the right support plate 4 is driven to expand along the support plates to adjust the movement of the beam 5. The electric control hydraulic adjusting mechanism also comprises a PLC controller and an electric control button, the indicating lamp 11 and the hydraulic cylinder are both connected with the PLC controller, the hydraulic cylinder is connected with the electric control button, and the hydraulic cylinder of the electric control button is pressed to extend out to drive the left supporting plate 3 or the right supporting plate 4 to move in the direction away from each other along the supporting plate expansion adjusting beam 5; when the tire tread on the inner side of the tire is contacted with the barrier 9 and the in-place extrusion sensor 10 reaches a stroke stress, the alarm indicator lamp 11 on the upright post 1 is turned on, the PLC receives a signal of the indicator lamp 11 to send an instruction, and the left support plate and the right support plate can automatically break and stop under the driving of the electric control hydraulic adjusting mechanism to reach an automatic locking state.
Specifically, after a vehicle enters the supporting and carrying surfaces of the left supporting plate 3 and the right supporting plate 4 of the four-column lifter of the utility model, the inner sides of four tire treads need to be tightly attached to the inner side edges of the carrying surfaces of the left supporting plate 3 and the right supporting plate 4 of the lifter to realize the maximization of the battery pack dismounting area, two inner sides are tightly attached, and the safety factor is improved, which becomes the difficulty for the modification of the lifter, a separation barrier 9 for preventing the tire from sliding off from the left supporting plate 3 and the right supporting plate 4 is respectively arranged at the periphery of the inner sides of the four roller supporting surfaces, the assembling mode is fusion welding, the tire section heights are different according to different specifications and sizes, so the height of the separation barrier 9 is set to be 120mm, the thickness is set to be 10mm, a tire tread in-place sensor 10 is additionally arranged at the middle part of the separation barrier 9, when the tire tread in-place contacts with the in-place sensor 10 and extrudes to reach a stroke stress, the indicator lamp 11 on the stand 1 of the four-column lifter can be lighted up for alarming, the loading surfaces of the left and right supporting plates can automatically break and stop under the driving of electric control hydraulic pressure, and an automatic locking state is achieved.
The utility model discloses four post lifts with adjustable two backup pads is unchangeable at the four posts of current four post lifts, pulley rotating assembly, support plate, hydraulic tank, a key hydraulic pressure lift shift knob etc. main body mechanism, and the system of changing into mainly installs (1) on the main body mechanism and prevents that the tire from slipping and stopping and tread from putting the sensor in place additional, promotes the lift factor of safety; (2) the carrier surfaces of the left support plate 3 and the right support plate 4 are additionally provided with roller conveying devices, namely rollers are arranged on the front wheel supporting surface 6 and the rear wheel supporting surface 7, when the supporting carrier plates expand towards two sides, the resistance of the supporting carrier plates is converted from sliding friction force to rolling friction force, and the sliding resistance of the left support plate 3 and the right support plate 4 is greatly reduced; (3) the expansion adjusting beam of the supporting support plate is additionally arranged, so that the occupied space of the lifting and rotating assembly of the beam is avoided, and the space between the supporting support plates on two sides is enlarged; (4) the top ends of the four upright posts 1 are additionally provided with tread in-place indicator lamps 11, so that the safety coefficient of the transverse movement of the support plate in place is increased; (5) install automatically controlled hydraulic pressure adjustment mechanism additional, realize that a key is automatically controlled, hydraulic pressure unilateral supporting plate lateral shifting, after the vehicle gets into lift machine left branch fagging 3 and right branch fagging 4 loading faces, can realize that a key enlarges chassis battery package and dismantle the space.
The utility model has the advantages of being simple in structure and convenient in operation, it is with low costs, change the system slightly under the background that the great electric motor car battery package can't be dismantled to the machine of lifting originally four posts, also can be with a left side when the car is on the machine loading end of lifting, the right side both sides support the support plate and remove extreme position to the limit way, originally only can only do the removal slightly with the support plate under the machine unloaded state of lifting, this also greatly reduced the operation difficulty degree, the work efficiency is improved, the drawback that the machine of lifting four posts can't be dismantled owing to dismantling the not enough in space has also been solved simultaneously to great battery package. The utility model discloses lifting four-column lifter function and reaching complementarily with former four-column lifter's function, four-column lifter also can realize the dismantlement of the great battery package of electric motor car.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without the technical solutions of the present invention, or the present invention can be directly applied to other occasions without the improvements, and all are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a four post machines of lifting with adjustable two backup pads, includes four stands (1), is used for pulley rotating assembly, left branch fagging (3) and right branch fagging (4) that control stand (1) goes up and down in step, its characterized in that: still adjust crossbeam (5) including backup pad expansion, backup pad expansion is adjusted crossbeam (5) and is connected on stand (1) and be located pulley rotating assembly's top, and the both ends of backup pad expansion adjustment crossbeam (5) are connected respectively on two stands (1), are equipped with two relative and parallel backup pad expansion adjustment crossbeam (5) on four stands (1), and sliding connection is on two backup pad expansion adjustment crossbeams (5) respectively at the both ends of left branch fagging (3) and right branch fagging (4).
2. The adjustable four-column lifting machine with double supporting plates as claimed in claim 1, wherein: the left supporting plate (3) and the right supporting plate (4) are both provided with a front wheel supporting surface (6) and a rear wheel supporting surface (7), the front wheel supporting surface (6) and the rear wheel supporting surface (7) are roller supporting surfaces, and wheels are in contact with the roller supporting surfaces.
3. The adjustable four-column lifting machine with double supporting plates as claimed in claim 2, wherein: the gyro wheel holding surface includes a plurality of gyro wheels (8), and gyro wheel (8) are arranged along the length direction of left branch fagging (3) and right branch fagging (4), and a plurality of gyro wheels (8) parallel arrangement just rotate to be connected on left branch fagging (3) and right branch fagging (4), and wheel and gyro wheel (8) contact are rolling friction between wheel and the gyro wheel holding surface.
4. The adjustable four-column lifting machine with double supporting plates as claimed in claim 2 or 3, wherein: the length of the rear wheel supporting surface (7) is greater than that of the front wheel supporting surface (6).
5. The adjustable four-column lifting machine with double supporting plates as claimed in claim 4, wherein: the front wheel supporting surface (6) and the rear wheel supporting surface (7) are provided with a separation rail (9) used for preventing tires from sliding down from the left supporting plate (3) and the right supporting plate (4), the separation rail (9) is connected to the inner periphery of the front wheel supporting surface (6) and the rear wheel supporting surface (7), and the inner sides of the treads of the four tires are tightly attached to the separation rail (9).
6. The adjustable four-column lifting machine with double supporting plates as claimed in claim 5, wherein: the middle part of the separation rail (9) is provided with an in-place sensor (10), the upright post (1) is provided with an indicator lamp (11), the indicator lamp (11) is connected with the in-place sensor (10), and when the inner side tread of the tire contacts with the separation rail (9) and the extrusion in-place sensor (10) reaches a stroke stress, the alarm indicator lamp (11) on the upright post (1) is turned on.
7. The adjustable four-column lifting machine with double supporting plates as claimed in claim 6, wherein: four post machines of lifting still include the automatically controlled hydraulic pressure adjustment mechanism that is used for adjusting left branch fagging (3) and right branch fagging (4) and removes, and automatically controlled hydraulic pressure adjustment mechanism includes the pneumatic cylinder, and left branch fagging (3) and right branch fagging (4) department all are equipped with a pneumatic cylinder, and the expansion end and left branch fagging (3) or right branch fagging (4) of pneumatic cylinder are connected, and drive left branch fagging (3) or right branch fagging (4) are followed the backup pad expansion and are adjusted crossbeam (5) and remove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023210503.1U CN214218049U (en) | 2020-12-28 | 2020-12-28 | Four post machines of lifting with adjustable two backup pads |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023210503.1U CN214218049U (en) | 2020-12-28 | 2020-12-28 | Four post machines of lifting with adjustable two backup pads |
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| CN214218049U true CN214218049U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023210503.1U Active CN214218049U (en) | 2020-12-28 | 2020-12-28 | Four post machines of lifting with adjustable two backup pads |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263085A (en) * | 2023-11-16 | 2023-12-22 | 江西核力特种设备有限公司 | Self-adjusting vertical lifting device |
-
2020
- 2020-12-28 CN CN202023210503.1U patent/CN214218049U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117263085A (en) * | 2023-11-16 | 2023-12-22 | 江西核力特种设备有限公司 | Self-adjusting vertical lifting device |
| CN117263085B (en) * | 2023-11-16 | 2024-02-06 | 江西核力特种设备有限公司 | Self-adjusting vertical lifting device |
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Effective date of registration: 20211122 Address after: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee after: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Address before: 241000 Anhui Wuhu economic and Technological Development Zone, Changchun Road, No. 8 generator transformer joint factory Patentee before: ANHUI RUISAIKE RENEWABLE RESOURCE TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20240704 Address after: No. 8 Changchun Road, Wuhu Area, China (Anhui) Pilot Free Trade Zone, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Chery Resource Technology Co.,Ltd. Country or region after: China Address before: 241000 rooms A206 and 207, complex building, 38 Yinhu North Road, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Patentee before: WUHU WANJIANG INTELLECTUAL PROPERTY OPERATION CENTER Co.,Ltd. Country or region before: China |
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