CN115231484B - Special transportation means for inspection and maintenance of transformer substation - Google Patents
Special transportation means for inspection and maintenance of transformer substation Download PDFInfo
- Publication number
- CN115231484B CN115231484B CN202210809873.1A CN202210809873A CN115231484B CN 115231484 B CN115231484 B CN 115231484B CN 202210809873 A CN202210809873 A CN 202210809873A CN 115231484 B CN115231484 B CN 115231484B
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- base
- adjusting
- assembly
- fixedly connected
- driving
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The application relates to the technical field of substation maintenance, in particular to a special transportation tool for substation inspection and maintenance, which comprises the following components: the electric casters are symmetrically arranged at the outer sides of two ends of the base; the standing mechanism is arranged on the outer side of the base; the adjusting mechanism is arranged between the base and the standing mechanism; wherein, adjustment mechanism includes: a drive assembly; an adjustment assembly; the connecting component is arranged between the adjusting component and the standing mechanism; the positioning assembly is arranged between the standing mechanism and the base, is connected with the base and is connected with the adjusting assembly, the adjusting assembly is driven by the driving assembly through the adjusting mechanism, and the connecting assembly and the positioning assembly are matched with the adjusting assembly, so that the position of the standing mechanism can be accurately adjusted, and the comprehensiveness and the correctness of data acquisition in inspection work can be improved.
Description
Technical Field
The application relates to the technical field of substation maintenance, in particular to a special transportation tool for substation inspection and maintenance.
Background
The transformer substation is a place for converting voltage and current, receiving electric energy and distributing electric energy in a power system, and the transformer substation in a power plant is a boosting transformer substation and is used for boosting electric energy generated by a generator and feeding the boosted electric energy into a high-voltage power grid.
With the increasing number of substations managed by the online winding power supply company in recent years, the daily inspection and maintenance work load of the substations is increased by times. From the present inspection and maintenance defect-eliminating working condition, the fixed cement pouring inspection and maintenance platform is designed in the old-fashioned transformer substation, so that people are required to frequently climb, most of switch operating mechanisms are arranged at positions higher than normal vision and normal working ranges of people, inspection personnel are easy to collect data leakage items and inaccuracy, wrong judgment on the running conditions of running equipment is caused, inconvenience is brought to maintenance work, tools such as a bench or a ladder are required to be used when the transformer substation is required to be maintained in a high place, the operation is complicated, the maintenance defect-eliminating time is prolonged, and the working efficiency is influenced.
Disclosure of Invention
The application aims to provide a special transportation tool for inspection and maintenance of a transformer substation, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions:
a substation inspection and maintenance special-purpose vehicle, comprising:
the electric casters are symmetrically arranged at the outer sides of two ends of the base;
the standing mechanism is arranged on the outer side of the base and used for supporting staff;
the adjusting mechanism is arranged between the base and the standing mechanism, is used for supporting the standing mechanism by matching with the base and is used for fixing the base;
wherein, adjustment mechanism includes:
the driving assembly is connected with the base;
the adjusting component is arranged on the inner side of the base and is connected with the driving component;
the connecting component is arranged between the adjusting component and the standing mechanism and is used for being matched with the adjusting component to drive the standing mechanism to lift;
the positioning assembly is arranged between the standing mechanism and the base, connected with the base and connected with the adjusting assembly and used for being matched with the adjusting assembly to fix the base.
Compared with the prior art, the application has the beneficial effects that:
when the device operates, a worker enters the inner side of the standing mechanism and realizes the movement of the device by controlling the electric casters, the driving assembly drives the adjusting assembly, the adjusting assembly can drive the connecting assembly to lift the standing mechanism on one hand, and can drive the positioning assembly on the other hand, the positioning assembly can finish fixing the base, so that the standing mechanism can be lifted, the device can keep stable, the connecting assembly can adjust the height of the standing mechanism again after lifting the standing mechanism, and an operator can conveniently carry out comprehensive inspection and maintenance on the standing mechanism.
Drawings
Fig. 1 is a schematic structural diagram of a substation inspection and maintenance special vehicle.
Fig. 2 is a schematic diagram of the internal structure of a transmission case in a substation inspection and maintenance special vehicle.
Fig. 3 is a top view of a base in a substation inspection and repair special vehicle.
Fig. 4 is a schematic structural view of a support plate in a substation inspection and maintenance special vehicle.
In the figure: the device comprises a base, a 2-operating platform, a 3-electric caster, a 4-manipulator, a 5-placing cabinet, a 6-adjusting block, a 7-limiting block, a 8-sliding block, a 9-fixing rod, a 10-driving box, a 11-driving piece, a 12-driving rod, a 13-threaded rod, a 14-driving box, a 15-piston groove, a 16-first piston, a 17-piston tube, a 18-adjusting frame, a 19-rack, a 20-rotating rod, a 21-gear, a 22-supporting plate, a 23-baffle, a 24-connecting rod, a 25-telescopic piece, a 26-fixing frame, a 27-limiting groove, a 28-second piston, a 29-guiding groove, a 30-guiding block, a 31-positioning block and a 32-anti-skid pad.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1, in one embodiment of the present application, a substation inspection and maintenance dedicated vehicle includes: the electric caster 3 is symmetrically arranged at the outer sides of two ends of the base 1; the standing mechanism is arranged on the outer side of the base 1 and used for supporting staff; the adjusting mechanism is arranged between the base 1 and the standing mechanism, is used for supporting the standing mechanism by matching with the base 1 and finishing the fixation of the base 1; wherein, adjustment mechanism includes: the driving assembly is connected with the base 1; the adjusting component is arranged on the inner side of the base 1 and is connected with the driving component; the connecting component is arranged between the adjusting component and the standing mechanism and is used for being matched with the adjusting component to drive the standing mechanism to lift; the positioning assembly is arranged between the standing mechanism and the base 1, is connected with the base 1 and is connected with the adjusting assembly and is used for being matched with the adjusting assembly to fix the base 1.
In this embodiment, when the device is operated, the staff gets into the mechanism inboard of standing, and realize the removal of device through control electronic truckle 3, after the device removes to appointed position, drive assembly drives adjusting part can drive on the one hand connecting assembly promotes the mechanism of standing, on the other hand can drive locating component can accomplish the fixed to base 1, make the mechanism of standing after being promoted, the device can keep stable, connecting assembly can also adjust the height of mechanism of standing after accomplishing the promotion to standing, make things convenient for operating personnel to carry out comprehensive inspection and maintenance on the mechanism of standing, the application easily causes inspection personnel to gather data drain item, inaccuracy, leads to the misjudgement to running equipment running condition, and makes maintenance defect time extension, influence work efficiency, through setting up adjusting part, utilize driving part to drive adjusting part, connecting assembly and locating component cooperate with adjusting part, can carry out accurate regulation to the position of mechanism of standing, be favorable to improving inspection work data acquisition's comprehensiveness and correctness, be favorable to improving inspection work efficiency.
In one embodiment of the application, the drive assembly comprises: the driving box 10 is fixedly connected with the base 1; the driving piece 11, driving piece 11 fixed connection sets up the drive box 10 is inboard, and the output pass through actuating lever 12 with the regulation subassembly links to each other.
In this embodiment, drive case 10 fixed connection sets up base 1 bottom, the inboard bottom fixed connection of drive case 10 is provided with driving piece 11, wherein, driving piece 11 is driving motor, driving piece 11 output and actuating lever 12 fixed connection, actuating lever 12 keep away from driving piece 11 one end is led to the regulation subassembly is inboard, and is in through bevel gear and setting up the inboard threaded rod 12 of regulation subassembly links to each other, through setting up drive assembly, driving piece 11 passes through actuating lever 12 drive regulation subassembly, and regulation subassembly can accomplish the drive to coupling assembling and locating component to accomplish the regulation to standing mechanism position.
In one embodiment of the application, the adjustment assembly comprises: the transmission case 14 is fixedly connected and arranged on the inner side of the base 1, and a piston groove 15 connected with the positioning assembly is formed in the inner side of the transmission case 14; the threaded rod 13 is symmetrically arranged at two ends of the inner side of the piston groove 15, is rotationally connected with a fixing frame 26 fixedly connected with the inner side of the piston groove 15, and is connected with the driving rod 12 through a bevel gear; the fixed rod 9, fixed rod 9 threaded connection locates the threaded rod 13 outside, and one end outside fixed connection be provided with piston groove 15 cell wall butt's first piston 16, the other end with coupling assembling links to each other.
In this embodiment, piston groove 15 middle part with locating component links to each other, wherein, actuating lever 12 lets in piston groove 15 is inboard, actuating lever 12 both sides all are provided with threaded rod 13, threaded rod 13 with the equal fixed connection in mount 26 junction both sides is provided with the limiting plate, the limiting plate with mount 26 frame wall sliding connection, actuating lever 12 with equal fixed connection in threaded rod 13 relative one end outside is provided with the bevel gear, two meshing is connected between the bevel gear, both sides equal threaded connection in threaded rod 13 outside is provided with dead lever 9, dead lever 9 is close to piston groove 15 one end outside fixed connection and is provided with first piston 16, the slider 8 fixed connection of dead lever 9 other end and setting at the coupling assembling inboard through setting up adjusting component, and actuating member 11 is through actuating lever 12 drive both sides threaded rod 13 rotation, 14 and dead lever 9 cooperation completion to coupling assembling's drive, and dead lever 9 moves when coupling assembling moves, and dead lever 9 drives first piston 16 and moves along piston groove 15, and the air that is located piston groove 15 inboard can accomplish in moving the assembly in the groove wall, can hold in enough stability to the drive mechanism of the device in the course of standing up and down.
In one embodiment of the application, the connection assembly comprises: the adjusting blocks 6 are symmetrically arranged on the outer side of the base 1 and are in sliding connection with the base 1 through limiting pieces; the sliding block 8 is arranged on the inner side of the base 1 in a sliding connection manner, is fixedly connected with the limiting piece and is connected with the fixed rod 9, and the sliding block 8 is used for matching with the adjusting component to realize the movement of the adjusting block 6; the bottom end of the connecting rod 24 is rotationally connected with the adjusting block 6; the telescopic piece 25, telescopic piece 25 fixed connection sets up the connecting rod 24 is inboard, and the other end with standing mechanism shell wall rotates to be connected for cooperate the removal of regulating block 6 realizes standing mechanism's lift.
In this embodiment, the limiting member includes a limiting block 7 fixedly connected to the outer side of the adjusting block 6, the limiting block 7 is slidably connected to a limiting groove 27 provided on the shell wall of the base 1, the outer side of one end of the limiting block 7 away from the adjusting block 6 is fixedly connected to a sliding block 8 slidably connected to the inner side of the base 1, where the telescopic member 25 is an electric telescopic rod, the telescopic member 25 is fixedly connected to the inner side of the connecting rod 24, one end of the telescopic member 25 away from the connecting rod 24 is rotationally connected to an operation table 2 inside the standing mechanism, one end of the connecting rod 24 away from the telescopic member 25 is rotationally connected to the adjusting block 6, by providing a connecting assembly, the sliding block 8 can be driven by the adjusting assembly, the connecting rod 24 provided on the sliding block 8 cooperates with the telescopic member 25 to not only complete the support of the standing mechanism, but also utilize the telescopic member 25 to implement lifting of the standing mechanism, so that an operator can comprehensively inspect and overhaul the standing mechanism;
in addition, a positioning block 31 fixedly connected with the base 1 is arranged between the adjusting blocks 6 on two sides, and the moving adjusting blocks 6 can be positioned by arranging the positioning block 31, so that the lifting of the standing mechanism is ensured to be smoothly carried out.
In one embodiment of the present application, referring to fig. 3 and 4, the positioning assembly includes: the baffle plates 23 are symmetrically arranged on the front side and the rear side of the connecting assembly and fixedly connected with the base 1; the rotating rod 20 is rotationally connected with the baffle 23, and the outer side of the rotating rod 20 is fixedly connected with a supporting plate 22; the transmission assembly is connected with the piston groove 17 and is connected with a gear 21 fixedly connected with the outer side of the rotating rod 20, and the transmission assembly is used for driving the rotating rod 20 to rotate by matching with the adjusting assembly so as to fix the base 1 by the supporting plate 22.
In this embodiment, gear 21 with bull stick 20 fixed connection, gear 21 both sides all be provided with bull stick 20 fixed connection's backup pad 22, wherein, backup pad 22 and ground contact one end outside fixed connection are provided with protection pad 32, through setting up locating component, and actuating component carries out driven in-process to adjusting component, adjusting component can drive assembly, drive assembly and gear 21 cooperation can realize bull stick 20's rotation, and bull stick 20 drives backup pad 22 rotation for backup pad 22 one end and ground contact, utilize backup pad 22 of front and back both sides to accomplish the fixation to base 1, and then make the device can keep stable after the parking.
In one embodiment of the present application, referring to fig. 2, the transmission assembly includes: the piston tube 17 is fixedly connected with the inner side of the transmission case 14 and is connected with the piston groove 17; the adjusting frame 18, the adjusting frame 18 is located the bull stick 20 outside, and one end links to each other with sliding connection sets up the inboard second piston 28 of piston tube 17, and other end outside fixed connection is provided with the rack 19 of gear 21 meshing connection, and pass through the guide with piston tube 17 links to each other, is used for the cooperation adjusting part drive bull stick 20 is rotatory.
In this embodiment, the piston tube 17 is fixedly connected to the front and rear ends of the inner wall of the transmission case 14, one end of the piston tube 17 communicates with the piston groove 15, in addition, the section of the adjusting frame 18 is of a type structure, the guide member comprises a guide block 30 fixedly connected to the inner side of the piston tube 17, the guide block 30 is slidably connected to a guide groove 29 formed in the frame wall of the adjusting frame 18, two ends of the adjusting frame 18 are respectively fixedly connected to the second piston 28 and the rack 19, the rack 19 is meshed with the gear 21, the movement of the adjusting frame 18 can be realized by the second piston 28 after the first piston 16 moves through the arrangement of the transmission assembly, the rotation of the rotating rod 20 is realized by the cooperation of the rack 19 and the gear 21, and the fixing of the base 1 is further realized.
In one embodiment of the present application, the standing mechanism includes: the operation table 2 is arranged on the outer side of the base 1 and is connected with the connecting component; the controller 4 is fixedly connected and arranged on the inner side of the operating platform 2 and is connected with the driving assembly and the electric caster 3; the placing cabinet 5 is fixedly connected with the inner side of the operating platform 2.
In this embodiment, the controller 4 is used to control the driving assembly and the electric casters 3, so as to realize movement of the device, and adjust the height of the operation table 2, and the placing cabinet 5 arranged on the inner side of the operation table 2 can be used for storing maintenance tools, so that maintenance of operators is facilitated.
This transformer substation inspection and repair specialized vehicle, through setting up adjustment mechanism, utilize actuating assembly to drive adjusting part, coupling assembling and locating component and adjusting part cooperation, can carry out accurate regulation to standing mechanism's position, be favorable to improving the comprehensiveness and the correctness of data acquisition in the inspection work, be favorable to improving maintenance and repair and remove the lack work efficiency, through setting up adjustment subassembly, actuating part 11 passes through actuating lever 12 drive both sides threaded rod 13 rotatory, threaded rod 14 and fixed lever 9 cooperation completion are to coupling assembling's drive, the fixed lever 9 takes place to remove when coupling assembling moves, the fixed lever 9 drives first piston 16 and moves along piston groove 15 cell wall, be located the inboard air of piston groove 15 can accomplish the drive to locating component in the removal process, make standing mechanism in the lift in-process, the device can keep sufficient stability, through setting up locating component, actuating assembly carries out the in-process of drive to adjusting part, actuating assembly can drive transmission assembly, transmission assembly and gear 21 cooperation can realize the rotation of bull stick 20, bull stick 20 drives backup pad 22 one end and ground contact, utilize backup pad 22 of front and back both sides to accomplish the fixed device to base 1, and then can keep the electronic control cabinet 2 at the operation panel that can be used for the operation cabinet is stable in the operation platform is high to the setting up and can be operated at the operation platform is convenient to the operation platform is 3, the device is placed to the operation platform is convenient to the realization is placed to the operation platform is 2.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent.
Claims (2)
1. A substation inspection and maintenance special-purpose vehicle, comprising:
the electric casters are symmetrically arranged at the outer sides of two ends of the base;
the standing mechanism is arranged on the outer side of the base and used for supporting staff;
the adjusting mechanism is arranged between the base and the standing mechanism, is used for supporting the standing mechanism by matching with the base and is used for fixing the base;
wherein, adjustment mechanism includes:
the driving assembly is connected with the base;
the adjusting component is arranged on the inner side of the base and is connected with the driving component;
the connecting component is arranged between the adjusting component and the standing mechanism and is used for being matched with the adjusting component to drive the standing mechanism to lift;
the positioning component is arranged between the standing mechanism and the base, connected with the base and the adjusting component, and used for fixing the base by matching with the adjusting component;
the drive assembly includes:
the driving box is fixedly connected with the base;
the driving piece is fixedly connected and arranged on the inner side of the driving box, and the output end of the driving piece is connected with the adjusting component through a driving rod;
the adjustment assembly includes:
the transmission case is fixedly connected and arranged on the inner side of the base, and a piston groove connected with the positioning assembly is formed in the inner side of the transmission case;
the threaded rods are symmetrically arranged at two ends of the inner side of the piston groove, are rotationally connected with a fixing frame fixedly connected with the inner side of the piston groove, and are connected with the driving rod through bevel gears;
the fixed rod is in threaded connection with the outer side of the threaded rod, a first piston which is in butt joint with the wall of the piston groove is fixedly connected with the outer side of one end of the fixed rod, and the other end of the fixed rod is connected with the connecting component;
the connection assembly includes:
the adjusting blocks are symmetrically arranged on the outer side of the base and are in sliding connection with the base through limiting pieces;
the sliding block is arranged on the inner side of the base in a sliding connection mode, fixedly connected with the limiting piece and connected with the fixing rod, and is used for matching with the adjusting component to realize movement of the adjusting block;
the bottom end of the connecting rod is rotationally connected with the adjusting block;
the telescopic piece is fixedly connected to the inner side of the connecting rod, the other end of the telescopic piece is rotationally connected with the shell wall of the standing mechanism, and the telescopic piece is used for realizing lifting of the standing mechanism by matching with the movement of the adjusting block;
the positioning assembly includes:
the baffle plates are symmetrically arranged on the front side and the rear side of the connecting assembly and fixedly connected with the base;
the rotating rod is rotationally connected with the baffle, and the outer side of the rotating rod is fixedly connected with a supporting plate;
the transmission assembly is connected with the piston groove and is connected with a gear fixedly connected with the outer side of the rotating rod and used for driving the rotating rod to rotate by matching with the adjusting assembly so as to fix the base by the supporting plate;
the transmission assembly includes:
the piston tube is fixedly connected with the inner side of the transmission case and is connected with the piston groove;
the adjusting frame is arranged on the outer side of the rotating rod, one end of the adjusting frame is connected with a second piston which is arranged on the inner side of the piston tube in a sliding connection mode, a rack which is connected with the gear in a meshed mode is fixedly connected on the outer side of the other end of the adjusting frame, the adjusting frame is connected with the piston tube through a guide piece and is used for being matched with the adjusting assembly to drive the rotating rod to rotate.
2. The substation inspection and maintenance special vehicle according to claim 1, wherein the standing mechanism comprises:
the operation table is arranged on the outer side of the base and is connected with the connecting assembly;
the controller is fixedly connected with the inner side of the operating platform and is connected with the driving assembly and the electric casters;
placing the cabinet, placing cabinet fixed connection setting is in the operation panel is inboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210809873.1A CN115231484B (en) | 2022-07-11 | 2022-07-11 | Special transportation means for inspection and maintenance of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210809873.1A CN115231484B (en) | 2022-07-11 | 2022-07-11 | Special transportation means for inspection and maintenance of transformer substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115231484A CN115231484A (en) | 2022-10-25 |
| CN115231484B true CN115231484B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210809873.1A Active CN115231484B (en) | 2022-07-11 | 2022-07-11 | Special transportation means for inspection and maintenance of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115231484B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116002579B (en) * | 2022-12-27 | 2023-12-26 | 国惠智能科技(江苏)有限公司 | Interior building decoration construction material lifting conveying device |
| CN116182026B (en) * | 2023-04-28 | 2023-07-21 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent patrol device and method capable of automatically adjusting gesture |
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| US4953666A (en) * | 1989-03-31 | 1990-09-04 | Strato-Lift,Inc. | Elevating apparatus having an offset upper boom maintaining a workstation level on a cantilevered angularly movable support that retracts into a compact position |
| WO2018112319A1 (en) * | 2016-12-15 | 2018-06-21 | Richard Arnold | Working platform for a tractor |
| CN211169760U (en) * | 2019-12-06 | 2020-08-04 | 国网湖北省电力有限公司襄阳供电公司 | Power transformation maintenance operation platform |
| CN212587955U (en) * | 2020-08-11 | 2021-02-23 | 国网河南省电力公司博爱县供电公司 | Telescopic bracket for overhauling substation equipment |
| CN113336148A (en) * | 2021-07-01 | 2021-09-03 | 咸宁职业技术学院 | Dedicated elevating gear of electromechanical installation |
| CN214299159U (en) * | 2020-12-30 | 2021-09-28 | 国网河南省电力公司邓州市供电公司 | Electric power overhaul frame |
| CN214839399U (en) * | 2021-01-23 | 2021-11-23 | 张崇金 | Transformer substation overhauls uses adjustable platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6651775B2 (en) * | 2000-07-31 | 2003-11-25 | Frederick N. Bassett, Jr. | Low level scaffold with ballscrew drive |
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2022
- 2022-07-11 CN CN202210809873.1A patent/CN115231484B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4953666A (en) * | 1989-03-31 | 1990-09-04 | Strato-Lift,Inc. | Elevating apparatus having an offset upper boom maintaining a workstation level on a cantilevered angularly movable support that retracts into a compact position |
| WO2018112319A1 (en) * | 2016-12-15 | 2018-06-21 | Richard Arnold | Working platform for a tractor |
| CN211169760U (en) * | 2019-12-06 | 2020-08-04 | 国网湖北省电力有限公司襄阳供电公司 | Power transformation maintenance operation platform |
| CN212587955U (en) * | 2020-08-11 | 2021-02-23 | 国网河南省电力公司博爱县供电公司 | Telescopic bracket for overhauling substation equipment |
| CN214299159U (en) * | 2020-12-30 | 2021-09-28 | 国网河南省电力公司邓州市供电公司 | Electric power overhaul frame |
| CN214839399U (en) * | 2021-01-23 | 2021-11-23 | 张崇金 | Transformer substation overhauls uses adjustable platform |
| CN113336148A (en) * | 2021-07-01 | 2021-09-03 | 咸宁职业技术学院 | Dedicated elevating gear of electromechanical installation |
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| Publication number | Publication date |
|---|---|
| CN115231484A (en) | 2022-10-25 |
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