CN112723260A - Lifting device for be used for maintenance transformer - Google Patents
Lifting device for be used for maintenance transformer Download PDFInfo
- Publication number
- CN112723260A CN112723260A CN202011538120.9A CN202011538120A CN112723260A CN 112723260 A CN112723260 A CN 112723260A CN 202011538120 A CN202011538120 A CN 202011538120A CN 112723260 A CN112723260 A CN 112723260A
- Authority
- CN
- China
- Prior art keywords
- supporting surface
- balance
- circular plate
- fixed circular
- central controller
- 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.)
- Pending
Links
Images
Classifications
-
- 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
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A lifting device for maintaining a transformer belongs to the technical field of electric power. The invention solves the problems of poor climbing safety, inextensibility of supporting equipment or poor stability in the maintenance of the existing transformer, four upright posts are arranged between a first supporting surface and a second supporting surface of the transformer, a hinge frame is arranged between the second supporting surface and a third supporting surface, and two ends of the hinge frame are respectively movably connected with the side surface of the second supporting surface through screws; a circular through hole is formed in the center of the second supporting surface, internal threads are formed in the circular through hole, and the first telescopic screw rod is inserted into the circular through hole; a fixed circular plate is arranged between the second supporting surface and the third supporting surface, the top end of the first telescopic screw is movably connected with the fixed circular plate, a rotating shaft of a first motor drives the first telescopic screw to rotate, and the first telescopic screw drives the fixed circular plate to move; the side face of the fixed circular plate is hinged with a central joint point of the hinge frame, the fixed circular plate moves, and the hinge frame stretches. The invention is suitable for controlling the maintenance of the power transformation equipment.
Description
Technical Field
The invention belongs to the technical field of electric power.
Background
Nowadays, electricity becomes an indispensable energy source in our lives, but due to climate environment change and aging of power devices, in order to ensure normal use of electricity, a substation is generally required to be checked and maintained regularly, but when power transformation equipment arranged in the air is maintained, workers are required to climb onto a transformer or a support frame is arranged, but the existing support frame is generally in a transverse foldable structure, but most of the support frame is not telescopic, and meanwhile, because the transformer is generally arranged in different geographical environments, the ground is generally not flat, the stability of the support structure is also a great technical problem to be solved in the field.
Disclosure of Invention
The invention provides a lifting device for maintaining a transformer, which aims to solve the problems that the climbing safety of the existing transformer is poor, and the existing supporting equipment is not telescopic or poor in stability.
The invention relates to a lifting device for maintaining a transformer, which comprises a first supporting surface, a second supporting surface, a third supporting surface, a first motor, a second motor, a first telescopic screw, a fixed circular plate, a hinged frame, a central controller and a first balance sensor, wherein the first supporting surface is connected with the first motor;
four upright posts are arranged between the third supporting surface and the second supporting surface, four hinged frames are arranged between the second supporting surface and the first supporting surface, and two ends of each hinged frame are movably connected with the second supporting surface and the side surface of the first supporting surface through screws respectively; the four hinged brackets are arranged at equal intervals along the circumferential direction of the second supporting surface and the first supporting surface;
a circular through hole is formed in the center of the second supporting surface, internal threads are formed in the circular through hole, and the first telescopic screw is in threaded connection with the circular through hole;
the top end of the first telescopic screw is movably connected with the center of the fixed circular plate, and the fixed circular plate is arranged between the second supporting surface and the first supporting surface;
the first motor is fixed on the lower side of the second supporting surface, and a rotating shaft of the first motor rotates to drive the first telescopic screw rod to move up and down in the circular through hole in the center of the second supporting surface, so that the fixed circular plate moves up and down between the second supporting surface and the first supporting surface; the side surface of the fixed circular plate is connected with a central joint point of the hinge frame through a screw, and the fixed circular plate moves up and down to drive the hinge frame to stretch;
the four upright posts are of hollow structures, and each upright post is internally provided with an electric telescopic rod, a sleeve (13) with an opening at the lower end and a screw rod;
a rotating shaft of the second motor is fixedly connected with a fixed end of the electric telescopic rod, a telescopic end of the electric telescopic rod is connected with the top surface of the sleeve, internal threads are arranged on the inner wall of the sleeve, a screw rod is sleeved in the sleeve, the inner diameter of the bottom end of the upright post body is the same as that of the sleeve, and the inner wall of the bottom end of the upright post body is provided with the internal threads;
four first balance sensors are arranged on four corners of the third supporting surface respectively, signal output ends of the four first balance sensors are connected with a balance signal input end of the central controller, and the central controller controls four second motors to move or four electric telescopic rods to extend or contract respectively according to balance signals of four points collected by the four balance sensors to adjust balance of the third supporting surface.
Furthermore, the bottom end of the screw rod is provided with a rotating head.
Further, the upper surface of the first supporting surface is attached with an anti-slip layer.
Furthermore, a height adjusting pedal is arranged on the upper surface of the first supporting surface and comprises a lifting pedal and a lowering pedal, control signal output ends of the lifting pedal and the lowering pedal are connected with a height adjusting signal input end of a central controller, and the central controller controls the first motor to rotate forwards or backwards according to signals received from the lifting pedal or the lowering pedal.
Furthermore, the top end of the first telescopic screw rod is sleeved with a bearing, and an outer sleeve of the bearing is fixedly connected with the fixed circular plate.
Furthermore, a second balance sensor is arranged on the upper surface of the first supporting surface, 4 electromagnets are arranged on the lower surface of the first supporting surface, the 4 electromagnets are uniformly distributed along the circumferential direction of the first supporting surface, 4 electromagnets are fixed on the upper surface of the fixed circular plate and correspond to the electromagnets on the lower surface of the first supporting surface in position, a second balance signal input end of the central controller is connected with a signal output end of the second balance sensor, and the central controller controls whether the eight electromagnets are powered on and the polarities of the electromagnets according to balance signals collected by the second balance sensor.
The lifting device effectively improves the stability of a telescopic structure by adopting the hinged frame, simultaneously effectively ensures the overall stability of the lifting device by downwards extending the first telescopic screw rod, avoids the inclination of the lifting device, simultaneously adopts the fixed circular plate to drive the hinged frame to stretch, effectively ensures the stability of the lifting device in the stretching process, and simultaneously adopts the electromagnet to adjust unbalance caused in the working process of workers, thereby ensuring the stability of the telescopic device and the safety of the workers.
Drawings
Fig. 1 is a schematic perspective view of a lifting device for repairing a transformer according to the present invention;
FIG. 2 is an electrical schematic of the lift apparatus of the present invention for servicing a transformer;
fig. 3 is a schematic view of the structure of the sleeve mounted in the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
The first embodiment is as follows: the following describes the present embodiment with reference to fig. 1, fig. 2 and fig. 3, and the lifting device for repairing a transformer in the present embodiment includes a first supporting surface 1, a second supporting surface 2, a third supporting surface 3, a first motor 5, a second motor 6, a first telescopic screw 7, a fixed circular plate 8, a hinge frame 9, a central controller 10 and a first balance sensor 11;
four upright posts 4 are arranged between the third supporting surface 3 and the second supporting surface 2, four hinged frames are arranged between the second supporting surface 2 and the first supporting surface 1, and two ends of each hinged frame are respectively movably connected with the second supporting surface 2 and the side surface of the first supporting surface 1 through screws; the four hinged brackets are arranged at equal intervals along the circumferential direction of the second supporting surface 2 and the first supporting surface 1;
a circular through hole is formed in the center of the second supporting surface 2, internal threads are formed in the circular through hole, and the first telescopic screw 7 is in threaded connection with the circular through hole;
the top end of the first telescopic screw 7 is movably connected with the center of the fixed circular plate 8, and the fixed circular plate 8 is arranged between the second supporting surface 2 and the first supporting surface 1;
the first motor 5 is fixed on the lower side of the second supporting surface 2, and a rotating shaft of the first motor 5 rotates to drive the first telescopic screw 7 to move up and down in the circular through hole in the center of the second supporting surface 2, so that the fixed circular plate 8 moves up and down between the second supporting surface 2 and the first supporting surface 1; the side surface of the fixed circular plate 8 is connected with the central intersection point of the hinge frame 9 through a screw, and the fixed circular plate 8 moves up and down to drive the hinge frame 9 to stretch;
the four upright posts 4 are all of a hollow structure, and an electric telescopic rod 12, a sleeve 13 with an opening at the lower end and a screw rod are arranged in each upright post 4;
a rotating shaft of the second motor 6 is fixedly connected with a fixed end of an electric telescopic rod 12, a telescopic end of the electric telescopic rod 12 is connected with the top surface of a sleeve 13, inner threads are arranged on the inner wall of the sleeve 13, a screw rod is sleeved in the sleeve 13, the inner diameter of the bottom end of the body of the upright post 4 is the same as that of the sleeve 13, and inner threads are arranged on the inner wall of the bottom end of the body of the upright post 4;
four first balance sensors 11 are respectively arranged at four corners of the third supporting surface 3, signal output ends of the four first balance sensors 11 are respectively connected with a balance signal input end of a central controller 10, and the central controller 10 respectively controls four second motors to move or four electric telescopic rods 12 to extend or retract according to balance signals of four points acquired by the four balance sensors so as to adjust the balance of the third supporting surface 3.
According to the invention, a balance sensor 11 is adopted for technical leveling, when the environment is extremely uneven, a screw sleeve 13 is adopted to drive a screw to rotate downwards, the screw firstly enters the soil below, then the balance is adjusted by controlling an electric telescopic rod 12, after the balance adjustment is finished, a worker controls a first motor to rotate to drive a hinged frame to move, a third supporting surface 3 is controlled to ascend, when the first supporting plate is uneven during the operation process, the first supporting plate is adjusted to keep balance by controlling electromagnets at different positions to attract or repel each other, and further the worker is prevented from sliding down from the first supporting plate.
Furthermore, the bottom end of the screw rod is provided with a rotating head.
This embodiment sets up the turn at the low end of screw rod, realizes when the ground environment of unevenness, with this device can stabilize connect with ground, avoid the staff when working on it, whole device is emptyd. And the screw can be conveniently driven to go deep underground by the common rotating head.
Further, an anti-slip layer is attached to the upper surface of the first supporting surface 1.
The anti-skid layer is an insulating layer, so that operators are prevented from slipping down, insulation is effectively achieved, and safety of workers is improved.
Further, a height adjusting pedal is arranged on the upper surface of the first supporting surface 1, the height adjusting pedal comprises a lifting pedal and a lowering pedal, control signal output ends of the lifting pedal and the lowering pedal are both connected with a height adjusting signal input end of the central controller 10, and the central controller 10 controls the first motor 5 to rotate forwards or backwards according to signals received from the lifting pedal or the lowering pedal.
This embodiment adopts and adjusts the lift through the foot through staff oneself, according to the actual work position, adjusts in real time, effectual improvement work efficiency, and the security is high.
Further, the top end of the first telescopic screw 7 is sleeved with a bearing, and the outer sleeve of the bearing is fixedly connected with a fixed circular plate 8.
Further, a second balance sensor 14 is arranged on the upper surface of the first supporting surface 1, 4 electromagnets are arranged on the lower surface of the first supporting surface 1, the 4 electromagnets are uniformly distributed along the circumferential direction of the first supporting surface 1, 4 electromagnets are fixed on the upper surface of the fixed circular plate 8 and correspond to the electromagnets on the lower surface of the first supporting surface 1 in position, a second balance signal input end of the central controller 10 is connected with a signal output end of the second balance sensor 14, and the central controller 10 controls whether the eight electromagnets are powered on and the polarity of the electromagnets according to balance signals collected by the second balance sensor 14.
The electromagnet of the embodiment realizes automatic leveling, and avoids danger brought to workers due to the fact that the workers stand at different positions to cause the upper part of the device to incline. The safety is effectively improved.
When the multifunctional electric support is installed and used, if the multifunctional electric support is flat ground, the lower part of the multifunctional electric support is not fixed, if the multifunctional electric support is uneven ground, the second motor is controlled to rotate, the four second screw rods enter the ground until the multifunctional electric support is stable enough, the fourth electric telescopic rod is controlled to extend or shorten to adjust the third supporting surface to be horizontal, a worker can control the first motor to rotate when the worker moves up to the first supporting surface to drive the hinge frame to extend and retract until the required height is reached, and the central controller 10 controls the polarity of the electromagnet according to signals collected by the second balance sensor (14) to further achieve the effect of fine adjustment of the balance of the first supporting surface.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the features described in the various dependent claims and herein may be combined in a manner different from that described in the original claim. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (5)
1. A lifting device for maintaining a transformer is characterized by comprising a first supporting surface (1), a second supporting surface (2), a third supporting surface (3), a first motor (5), a second motor (6), a first telescopic screw (7), a fixed circular plate (8), a hinged frame (9), a central controller (10) and a first balance sensor (11);
four upright posts (4) are arranged between the third supporting surface (3) and the second supporting surface (2), four hinged frames are arranged between the second supporting surface (2) and the first supporting surface (1), and two ends of each hinged frame are movably connected with the second supporting surface (2) and the side surface of the first supporting surface (1) through screws respectively; the four hinged frames are arranged at equal intervals along the circumferential direction of the second supporting surface (2) and the first supporting surface (1);
a circular through hole is formed in the center of the second supporting surface (2), internal threads are formed in the circular through hole, and the first telescopic screw rod (7) is in threaded connection with the circular through hole;
the top end of the first telescopic screw rod (7) is movably connected with the center of the fixed circular plate (8), and the fixed circular plate (8) is arranged between the second supporting surface (2) and the first supporting surface (1);
the first motor (5) is fixed on the lower side of the second supporting surface (2), a rotating shaft of the first motor (5) rotates to drive the first telescopic screw (7) to move up and down in the circular through hole in the center of the second supporting surface (2), and the fixed circular plate (8) is made to move up and down between the second supporting surface (2) and the first supporting surface (1); the side surface of the fixed circular plate (8) is connected with the center junction point of the hinge frame (9) through a screw, and the fixed circular plate (8) moves up and down to drive the hinge frame (9) to stretch;
the four upright posts (4) are all of a hollow structure, and an electric telescopic rod 12, a sleeve (13) with an opening at the lower end and a screw rod are arranged in each upright post (4);
a rotating shaft of the second motor (6) is fixedly connected with a fixed end of the electric telescopic rod 12, a telescopic end of the electric telescopic rod 12 is connected with the top surface of a sleeve (13), internal threads are arranged on the inner wall of the sleeve (13), a screw rod is sleeved in the sleeve (13), the inner diameter of the bottom end of the body of the upright post (4) is the same as that of the sleeve (13), and the inner wall of the bottom end of the body of the upright post (4) is provided with the internal threads;
four first balance sensors (11) are arranged on four corners of the third supporting surface (3) respectively, signal output ends of the four first balance sensors (11) are connected with a balance signal input end of a central controller (10), the central controller (10) controls four second motors to move or four electric telescopic rods (12) to extend or contract according to four balance signals collected by the four balance sensors respectively, and balance of the third supporting surface (3) is adjusted.
2. The lifting device for repairing a transformer as claimed in claim 1, wherein the bottom end of the screw is provided with a rotary head.
3. A lifting device for servicing transformers according to claim 1 or 2, characterized in that the upper surface of the first support surface (1) is provided with an anti-slip layer.
4. The lifting device for repairing the transformer in use according to claim 3, wherein the upper surface of the first supporting surface (1) is provided with a height adjusting pedal, the height adjusting pedal comprises a lifting pedal and a lowering pedal, the control signal output ends of the lifting pedal and the lowering pedal are connected with the height adjusting signal input end of the central controller (10), and the central controller (10) controls the first motor (5) to rotate forwards or backwards according to the signals of the lifting pedal or the lowering pedal.
5. The lifting device for maintaining transformer use of claim 4, characterized in that, the first supporting surface (1) is provided with the second balance sensor (14) on the upper surface, the lower surface is provided with 4 electromagnets, said 4 electromagnets are uniformly distributed along the circumference of the first supporting surface (1), the fixed circular plate (8) is fixed with 4 electromagnets on the upper surface, the position of the electromagnet corresponds to the position of the electromagnet on the lower surface of the first supporting surface (1), the second balance signal input end of the central controller (10) is connected with the signal output end of the second balance sensor (14), the central controller (10) controls whether eight electromagnets are powered on and the polarity of the electromagnets according to the balance signal collected by the second balance sensor (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538120.9A CN112723260A (en) | 2020-12-23 | 2020-12-23 | Lifting device for be used for maintenance transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011538120.9A CN112723260A (en) | 2020-12-23 | 2020-12-23 | Lifting device for be used for maintenance transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112723260A true CN112723260A (en) | 2021-04-30 |
Family
ID=75604662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011538120.9A Pending CN112723260A (en) | 2020-12-23 | 2020-12-23 | Lifting device for be used for maintenance transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112723260A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193200Y (en) * | 2008-04-18 | 2009-02-11 | 黄庆友 | Portable elevating device |
| CN202226610U (en) * | 2011-09-23 | 2012-05-23 | 张建东 | Fork scissor lift |
| CN204224164U (en) * | 2014-11-20 | 2015-03-25 | 梅县新城供水有限公司 | A kind of scissor-like jack |
| CN204546534U (en) * | 2015-03-23 | 2015-08-12 | 杭州娃哈哈集团有限公司 | A kind of four-degree-of-freedparallel parallel manipulator |
| CN204778708U (en) * | 2015-06-23 | 2015-11-18 | 福州大学 | Fork lift platform is cut to space quadrature |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
| CN209456037U (en) * | 2018-12-14 | 2019-10-01 | 国家电网有限公司 | A kind of electric power overhaul Motorized lift device |
| CN111847296A (en) * | 2020-06-28 | 2020-10-30 | 江永县元杰科技有限公司 | Rollover-prevention screw jack |
-
2020
- 2020-12-23 CN CN202011538120.9A patent/CN112723260A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201193200Y (en) * | 2008-04-18 | 2009-02-11 | 黄庆友 | Portable elevating device |
| CN202226610U (en) * | 2011-09-23 | 2012-05-23 | 张建东 | Fork scissor lift |
| CN204224164U (en) * | 2014-11-20 | 2015-03-25 | 梅县新城供水有限公司 | A kind of scissor-like jack |
| CN204546534U (en) * | 2015-03-23 | 2015-08-12 | 杭州娃哈哈集团有限公司 | A kind of four-degree-of-freedparallel parallel manipulator |
| CN204778708U (en) * | 2015-06-23 | 2015-11-18 | 福州大学 | Fork lift platform is cut to space quadrature |
| CN107963571A (en) * | 2017-10-24 | 2018-04-27 | 中南大学 | A kind of scissor lifting device of electromagnetism-screw coordinated drive |
| CN209456037U (en) * | 2018-12-14 | 2019-10-01 | 国家电网有限公司 | A kind of electric power overhaul Motorized lift device |
| CN111847296A (en) * | 2020-06-28 | 2020-10-30 | 江永县元杰科技有限公司 | Rollover-prevention screw jack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110952755B (en) | Indoor side installation method for building glass | |
| CN107387985A (en) | A kind of smart home lifting/lowering device for projector | |
| CN213059963U (en) | Portable lifting device for electric power engineering operation | |
| CN111852076A (en) | Strutting arrangement for civil engineering | |
| CN203707625U (en) | Mounting bracket for isolating switch of transformer station | |
| CN112723260A (en) | Lifting device for be used for maintenance transformer | |
| CN210713726U (en) | Building platform for indoor decoration | |
| CN208138103U (en) | A kind of large size column building cleaning device | |
| CN214255435U (en) | Cable erecting device for building electromechanical installation | |
| CN108506175A (en) | A kind of large size column building cleaning device | |
| CN209872174U (en) | Hoisting accessory is used in compressor unit maintenance | |
| CN112089273A (en) | Artwork linkage with adjustable art design is used | |
| CN209686820U (en) | A kind of movable building scaffold | |
| CN216406090U (en) | Electric jacking operation platform | |
| CN207959870U (en) | A kind of safe and reliable construction frame | |
| CN220664760U (en) | Electromechanical installation supporting device for large building | |
| CN218714877U (en) | But height-adjusting's scaffold is built in room | |
| KR101788174B1 (en) | Multi-stage lifter | |
| CN217559494U (en) | Construction engineering crack detection device | |
| CN216272986U (en) | Elevating platform is used in equipment fixing of heating and ventilating | |
| CN210608292U (en) | Special cable erecting device for electromechanical installation | |
| CN113653305A (en) | Electric jacking operation platform | |
| CN216105709U (en) | Liftable support for construction engineering construction | |
| CN212208780U (en) | Big screen device of wisdom building site display based on building information model | |
| CN219954894U (en) | Folding electric power facility mounting bracket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210430 |
|
| RJ01 | Rejection of invention patent application after publication |