CN114057124B - Lifting device for transformer - Google Patents
Lifting device for transformer Download PDFInfo
- Publication number
- CN114057124B CN114057124B CN202111359775.4A CN202111359775A CN114057124B CN 114057124 B CN114057124 B CN 114057124B CN 202111359775 A CN202111359775 A CN 202111359775A CN 114057124 B CN114057124 B CN 114057124B
- Authority
- CN
- China
- Prior art keywords
- transformer
- pneumatic cylinder
- frame
- lifting device
- hydraulic cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims abstract description 11
- 210000000078 claw Anatomy 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 6
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C25/00—Cranes not provided for in groups B66C17/00 - B66C23/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
- B66C1/44—Gripping members engaging only the external or internal surfaces of the articles and applying frictional forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/12—Driving gear incorporating electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention aims to solve the lifting problem of a transformer, and discloses a lifting device for the transformer, which comprises a first hydraulic cylinder, a second hydraulic cylinder and a mounting plate, wherein piston rods are respectively arranged in the middle of the first hydraulic cylinder and the second hydraulic cylinder, an inserting frame is sleeved at the outer end of each piston rod, a connecting frame is welded at the outer side of each inserting frame, a first fastening screw is arranged between each inserting frame and each piston rod, a first motor is fixedly arranged on the side face of each connecting frame, a rotating shaft is arranged between each first motor and each connecting frame, a rotating drum is fixedly sleeved on the surface of each rotating shaft, cushion blocks are uniformly arranged on the surface of each rotating drum, a water pump is fixedly arranged on the surface of each first hydraulic cylinder, a connector is arranged at the water outlet end of each water pump, and spray pipes are symmetrically arranged on the connectors. According to the invention, the lifting of the device can be realized through the driving of the first motor to the rotary drum, and the lifting of the transformer is realized under the condition of not using a crane and a forklift, so that the lifting device provides assistance for the installation of the transformer.
Description
Technical Field
The invention relates to the field of transformers, in particular to a lifting device for a transformer.
Background
When the transformer is installed, the transformer is generally installed between two telegraph poles, and a platform for installing the transformer is arranged between the telegraph poles in advance, but the platform has a certain height, when the transformer is lifted, a forklift is used, and a crane is used for lifting, although the lifting of the transformer can be realized, the crane and the forklift are not easy to pass through in some terrains, the inventor observes that the transformer can be lifted without using the forklift and the crane, and then the inventor creates a lifting device for the transformer to solve the lifting problem of the transformer.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a lifting device for a transformer.
The invention is realized by the following technical scheme:
the lifting device for the transformer comprises a first hydraulic cylinder, a second hydraulic cylinder and a mounting plate, wherein piston rods are arranged in the middle of the first hydraulic cylinder and the second hydraulic cylinder, an inserting frame is sleeved at the outer end of the piston rods, a connecting frame is welded at the outer side of the inserting frame, a first fastening screw is arranged between the inserting frame and the piston rods, a first motor is fixedly arranged on the side surface of the connecting frame, a rotating shaft is arranged between the first motor and the connecting frame, a rotating drum is fixedly sleeved on the surface of the rotating shaft, cushion blocks are uniformly arranged on the surface of the rotating drum, a water pump is fixedly arranged on the surface of the first hydraulic cylinder, a connector is arranged at the water outlet end of the water pump, spray pipes are symmetrically arranged on the connector, a connecting pipe is connected at the water inlet end of the water pump, a connecting ball is fixedly connected at the outer end of the connecting pipe, a connecting ring is connected at the juncture of the first hydraulic cylinder and the second hydraulic cylinder, the connecting ring is fixedly connected with a connecting rod on the side face of the connecting ring, the outer end of the connecting rod is fixedly connected with a holding ring, the lower sides of the first hydraulic cylinder and the second hydraulic cylinder are fixedly connected with a connecting frame, the lower surface of the connecting frame is fixedly provided with a second motor, the middle part of the second motor is provided with a first rotary table, a pull rope is wound on the first rotary table, the lower end of the pull rope is fixedly connected with a first claw disc, the lower end face of the first claw disc is fixedly provided with a first magnetic block, a clamping ring is sleeved on the pull rope, a second fastening screw is arranged between the clamping ring and the pull rope, the surface of the clamping ring is fixedly connected with a connecting rope, the lower end of the connecting rope is fixedly connected with a clamping plate, the left side of the upper surface of the clamping plate is fixedly provided with a holding rod, the left side wall of the clamping plate is sleeved with a screw, the right end of the screw is fixedly provided with a clamping plate, the right side face of the mounting plate is fixedly provided with a handle, the middle part of the mounting plate is provided with a second rotary table, the traction rope is wound on the second turntable, the outer end of the traction rope is fixedly connected with a second claw disc, a second magnetic block is mounted on the left end face of the second claw disc, and third magnetic blocks are uniformly mounted inside the second claw disc.
Preferably, the connecting ball is of a net structure and is communicated with the connecting pipe, and the spray pipe is made of carbon steel material and can be bent at any angle.
Preferably, the insertion frame is sleeved outside the piston rod, and the insertion frame is of a rectangular frame structure.
Preferably, the cushion block is of a strip-shaped structure, and is made of rubber materials.
Preferably, the clamping ring is of a U-shaped structure and is clamped outside the pull rope.
Preferably, the first magnetic block, the second magnetic block and the third magnetic block are electromagnets.
Preferably, a bearing is arranged between the second turntable and the mounting plate, and a screw is arranged on the second turntable.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the arrangement of the two hydraulic cylinders, the device can be supported between two telegraph poles, so that the device can be supported, the telegraph poles with different intervals can be used, the rotary drum can be driven to rotate by means of the driving of the first motor, the device can be driven to lift by means of the arrangement of the cushion blocks, the device can be regulated and controlled according to the installation height of the transformer, the transformer is convenient to install, a forklift and a crane are not used any more, the forklift and the crane are convenient to use when inconvenient to pass through, the suction force is further increased by the arrangement of the first magnetic block, the second magnetic block and the third magnetic block, the lifting is safer when being carried out, the transformer can be pulled outwards by means of the arrangement of the second claw disc and the connection of the traction rope, the transformer can be conveniently installed on a platform between the telegraph poles, and the water pump is arranged to conveniently clean the surface of the telegraph poles, so that dust on the surface of the telegraph poles is convenient to clean, and the rotary drum is prevented from skidding. According to the invention, the lifting of the device can be realized through the driving of the first motor to the rotary drum, and the lifting of the transformer is realized under the condition of not using a crane and a forklift, so that the lifting device provides assistance for the installation of the transformer.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of a second turntable connected to a second claw disk according to the present invention.
Fig. 3 is a schematic structural view of the snap ring of the present invention.
Fig. 4 is a schematic view of the invention mated with a utility pole.
Description of the reference numerals: 1. the connecting ball, 2, the connecting pipe, 3, the spray pipe, 4, the connector, 5, the water pump, 6, the first hydraulic cylinder, 7, the connecting ring, 8, the second hydraulic cylinder, 9, the piston rod, 10, the first fastening screw, 11, the plug frame, 12, the rotating shaft, 13, the rotating drum, 14, the cushion block, 15, the frame, 16, the first motor, 17, the connecting frame, 18, the second motor, 19, the first turntable, 20, the connecting rod, 21, the holding ring, 22, the pull rope, 23, the second fastening screw, 24, the clamping ring, 25, the first claw disc, 26, the third fastening screw, 27, the first magnetic block, 28, the clamping plate, 29, the screw rod, 30, the holding rod, 31, the clamping plate, 32, the connecting rope, 33, the second magnetic block, 34, the third magnetic block, 35, the second claw disc, 36, the pulling rope, 37, the second turntable, 38, the mounting disc, 39 and the handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution:
the lifting device for the transformer comprises a first hydraulic cylinder 6, a second hydraulic cylinder 8 and a mounting plate 38, wherein piston rods 9 are respectively arranged in the middle of the first hydraulic cylinder 6 and the second hydraulic cylinder 8, an inserting frame 11 is sleeved at the outer end of each piston rod 9, a connecting frame 15 is welded at the outer side of each inserting frame 11, a first fastening screw 10 is arranged between each inserting frame 11 and each piston rod 9, a first motor 16 is fixedly arranged on the side surface of each connecting frame 15, a rotating shaft 12 is arranged between each first motor 16 and each connecting frame 15, a rotating drum 13 is fixedly sleeved on the surface of each rotating shaft 12, cushion blocks 14 are uniformly arranged on the surface of each rotating drum 13, a water pump 5 is fixedly arranged on the surface of each first hydraulic cylinder 6, a connector 4 is arranged at the water outlet end of each water pump 5, spray pipes 3 are symmetrically arranged on the connectors 4, connecting pipes 2 are connected at the water inlet ends of the water pumps 5, connecting balls 1 are fixedly connected at the outer ends of the connecting pipes 2, the junction of the first hydraulic cylinder 6 and the second hydraulic cylinder 8 is connected with a connecting ring 7, the side surface of the connecting ring 7 is fixedly connected with a connecting rod 20, the outer end of the connecting rod 20 is fixedly connected with a holding ring 21, the lower sides of the first hydraulic cylinder 6 and the second hydraulic cylinder 8 are fixedly connected with a connecting frame 17, the lower surface of the connecting frame 17 is fixedly provided with a second motor 18, the middle part of the second motor 18 is provided with a first rotating disk 19, a pull rope 22 is wound on the first rotating disk 19, the lower end of the pull rope 22 is fixedly connected with a first claw disk 25, the lower end surface of the first claw disk 25 is fixedly provided with a first magnetic block 27, the pull rope 22 is sleeved with a clamping ring 24, a second fastening screw 23 is arranged between the clamping ring 24 and the pull rope 22, the surface of the clamping ring 24 is fixedly connected with a connecting rope 32, the lower end of the connecting rope 32 is fixedly connected with a clamping plate 31, the left side fixed mounting of cardboard 31 upper surface has holding rod 30, cardboard 31 left side wall cover has screw rod 29, screw rod 29 right-hand member fixed mounting has splint 28, mounting disc 38 right flank fixed mounting has handle 39, the mounting disc 38 middle part is equipped with second carousel 37, the winding has haulage rope 36 on the second carousel 37, haulage rope 36 outer end fixedly connected with second claw dish 35, second magnetic path 33 is installed to second claw dish 35 left end face, the inside third magnetic path 34 that evenly is equipped with of second claw dish 35.
The connecting ball 1 is of a net structure and is communicated with the connecting pipe 2, and the spray pipe 3 is made of carbon steel material and can be bent at any angle.
The inserting frame 11 is sleeved outside the piston rod 9, and the inserting frame 11 is of a rectangular frame structure.
The cushion block 14 is of a strip-shaped structure, and the cushion block 14 is made of rubber materials.
The clamping ring 24 is of a U-shaped structure, and the clamping ring 24 is clamped outside the pull rope 22.
The first magnetic block 27, the second magnetic block 33 and the third magnetic block 34 are all electromagnets.
A bearing is arranged between the second turntable 37 and the mounting plate 38, and a screw is arranged on the second turntable 37.
The operation steps are as follows: when the transformer is installed, the transformer is required to be lifted, firstly, an operator holds the holding ring 21, the first hydraulic cylinder 6 and the second hydraulic cylinder 8 are positioned between two telegraph poles, the first fastening screw 10 is adjusted in advance, the angle of the connecting frame 15 can be adjusted, the first hydraulic cylinder 6 and the second hydraulic cylinder 8 are controlled, the piston rod 9 is outwards extended, the rotary drum 13 is attached to the telegraph pole, the connecting ball 1 is placed in a nearby water source, the spray pipe 3 is bent, the angle of the spray pipe 3 is adjusted, the spray pipe 3 can face the telegraph pole surfaces on two sides, then the switch of the first motor 16 is opened, the rotary drum 13 is driven to rotate, the whole device is lifted, the first hydraulic cylinder 6 and the second hydraulic cylinder 8 can be lifted above a supporting platform of the transformer, when the transformer is lifted, the second fastening screw 23 is loosened, the clamping ring 24 is detached from the pull rope 22, the second motor 18 is controlled, the first claw disk 25 can be lowered, then the first claw disk 25 is clamped on the transformer, the third fastening screw 26 is used for fastening, the switch of the first magnetic block 27 is opened, the lifting stability is increased by utilizing the magnetic force of the first magnetic block 27, then the second claw disk 35 is inserted on the side edge of the transformer, the switch of the second magnetic block 33 and the third magnetic block 34 is opened, the adsorption force of the second claw disk 35 is increased by the magnetic force of an electromagnet, and an operator controls the second motor 18, the first claw disc 25 can be lifted through the pull rope 22 so as to lift the transformer, meanwhile, when the transformer reaches the position right below the supporting platform between the telegraph poles, an operator rotates to hold the handle 39, pulls the pulling rope 36 outwards, and pulls the transformer outwards, the transformer is not blocked by the supporting platform when the transformer rises, so that the transformer can be lifted to the supporting platform between the telegraph poles, after the distribution box matched with the transformer is lifted, the clamping ring 24 is only clamped on the pull rope 22, the second fastening screw 23 is used for fastening, then the clamping plate 31 is clamped on the distribution box, the clamping plate 28 and the clamping plate 31 are controlled by the screw 29, so that the distribution box is clamped by the cooperation of the clamping plate 28 and the clamping plate 31, and the lifting of the distribution box is realized by controlling the second motor 18.
The present embodiment is only for explanation and not limitation of the present invention, and modifications of the present embodiment without creative contribution can be made by those skilled in the art after reading the present specification as required, but are protected by patent laws within the scope of claims of the present invention.
Claims (7)
1. Lifting device for transformer, including first pneumatic cylinder (6), second pneumatic cylinder (8) and mounting disc (38), its characterized in that: the utility model discloses a hydraulic pressure device, including first pneumatic cylinder (6) and second pneumatic cylinder (8), piston rod (9) middle part all is equipped with piston rod (9), piston rod (9) outer end cover has cartridge frame (11), cartridge frame (11) outside welding has connecting frame (15), be equipped with first fastening screw (10) between cartridge frame (11) and piston rod (9), connecting frame (15) side fixed mounting has first motor (16), be equipped with pivot (12) between first motor (16) and connecting frame (15), pivot (12) fixed surface cover has rotary drum (13), rotary drum (13) surface evenly is equipped with cushion (14), first pneumatic cylinder (6) fixed surface installs water pump (5), connector (4) are installed to the play water end of water pump (5), symmetrically there is spray tube (3) on connector (4), the water inlet end of water pump (5) is connected with connecting pipe (2), connecting pipe (2) outer end fixed connection has connecting ball (1), first pneumatic cylinder (6) and second pneumatic cylinder (8) are connected with connecting ring (7) and are connected with connecting rod (20), the utility model discloses a rotary table, including first pneumatic cylinder (6) and second pneumatic cylinder (8), first pneumatic cylinder (8) downside fixedly connected with link (17), link (17) lower surface fixed mounting has second motor (18), second motor (18) mid-mounting has first carousel (19), the winding has stay cord (22) on first carousel (19), stay cord (22) lower extreme fixedly connected with first claw dish (25), first magnetic path (27) are fixedly installed to first claw dish (25) lower extreme face, the cover has snap ring (24) on stay cord (22), be equipped with second fastening screw (23) between snap ring (24) and stay cord (22), snap ring (24) surface fixed connection has connecting rope (32), connecting rope (32) lower extreme fixedly connected with cardboard (31), left side fixed mounting has holding rod (30) on cardboard (31), left side wall cover has screw rod (29), screw rod (29) right-hand member fixed mounting has splint (28), handle (38) are equipped with snap ring (24), handle (38) and second traction rope (36) are installed to second traction rope (36), second traction rope (37) are installed to the outer carousel (37), the left end face of the second claw disc (35) is provided with a second magnetic block (33), and third magnetic blocks (34) are uniformly arranged in the second claw disc (35).
2. A lifting device for a transformer according to claim 1, wherein: the connecting ball (1) is of a net structure and is communicated with the connecting pipe (2), and the spray pipe (3) is made of carbon steel material and can be bent at any angle.
3. A lifting device for a transformer according to claim 1, wherein: the inserting frame (11) is sleeved outside the piston rod (9), and the inserting frame (11) is of a rectangular frame structure.
4. A lifting device for a transformer according to claim 1, wherein: the cushion block (14) is of a strip-shaped structure, and the cushion block (14) is made of rubber materials.
5. A lifting device for a transformer according to claim 1, wherein: the clamping ring (24) is of a U-shaped structure, and the clamping ring (24) is clamped outside the pull rope (22).
6. A lifting device for a transformer according to claim 1, wherein: the first magnetic block (27), the second magnetic block (33) and the third magnetic block (34) are all electromagnets.
7. A lifting device for a transformer according to claim 1, wherein: and a bearing is arranged between the second rotary table (37) and the mounting plate (38), and a screw is arranged on the second rotary table (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359775.4A CN114057124B (en) | 2021-11-17 | 2021-11-17 | Lifting device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111359775.4A CN114057124B (en) | 2021-11-17 | 2021-11-17 | Lifting device for transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114057124A CN114057124A (en) | 2022-02-18 |
| CN114057124B true CN114057124B (en) | 2023-12-26 |
Family
ID=80273054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111359775.4A Active CN114057124B (en) | 2021-11-17 | 2021-11-17 | Lifting device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114057124B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0531560A1 (en) * | 1991-09-10 | 1993-03-17 | Seung-Choon Lee | Pallet lifters |
| CN209081295U (en) * | 2018-11-13 | 2019-07-09 | 金华职业技术学院 | A kind of architectural engineering material lifting device |
| CN211134752U (en) * | 2019-10-24 | 2020-07-31 | 广东电网有限责任公司 | Transformer cooling fin cleaning device used for 10kV and below |
| CN212639177U (en) * | 2020-08-06 | 2021-03-02 | 南宁学院 | Logistics turnover box stacking device capable of improving stacking efficiency |
| CN112983028A (en) * | 2021-02-22 | 2021-06-18 | 福州外语外贸学院 | Personnel safety protection device for building protective net building |
-
2021
- 2021-11-17 CN CN202111359775.4A patent/CN114057124B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0531560A1 (en) * | 1991-09-10 | 1993-03-17 | Seung-Choon Lee | Pallet lifters |
| CN209081295U (en) * | 2018-11-13 | 2019-07-09 | 金华职业技术学院 | A kind of architectural engineering material lifting device |
| CN211134752U (en) * | 2019-10-24 | 2020-07-31 | 广东电网有限责任公司 | Transformer cooling fin cleaning device used for 10kV and below |
| CN212639177U (en) * | 2020-08-06 | 2021-03-02 | 南宁学院 | Logistics turnover box stacking device capable of improving stacking efficiency |
| CN112983028A (en) * | 2021-02-22 | 2021-06-18 | 福州外语外贸学院 | Personnel safety protection device for building protective net building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114057124A (en) | 2022-02-18 |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20231129 Address after: No.7199 Yanhe Road, Yanji City, Yanbian Korean Autonomous Prefecture, Jilin Province (1001 Yanhe West Road) Applicant after: YANBIAN POWER SUPPLY COMPANY OF STATE GRID JILINSHENG ELECTRIC POWER SUPPLY CO. Address before: No.158 Xuhai Road, Xuzhuang Industrial Park, Xuzhou Economic and Technological Development Zone, Jiangsu Province, 221000 Applicant before: JIANGSU XU BIAN TRANSFORMER Co.,Ltd. |
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