CN115259035A - Lifting operation table for overhauling transformer - Google Patents
Lifting operation table for overhauling transformer Download PDFInfo
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- CN115259035A CN115259035A CN202210890177.8A CN202210890177A CN115259035A CN 115259035 A CN115259035 A CN 115259035A CN 202210890177 A CN202210890177 A CN 202210890177A CN 115259035 A CN115259035 A CN 115259035A
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- top surface
- transformer
- cage
- trolley
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- 239000007788 liquid Substances 0.000 claims description 30
- 238000004804 winding Methods 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000012423 maintenance Methods 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 24
- 239000011261 inert gas Substances 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 230000009466 transformation Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004243 sweat Anatomy 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
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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
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/002—Arrangements provided on the transformer facilitating its transport
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
A lifting operation platform for transformer maintenance comprises an oil-immersed transformer and a trolley, wherein a folding tower of a hydraulic lifting structure is arranged on the top surface of the trolley, the top end of the folding tower is connected with a trolley room, the top surface of the trolley room is connected with lifting components, two groups of the lifting components are symmetrically arranged on the top surfaces of two side walls of the trolley room, and push support components are inserted in the trolley room in a sliding mode. The lifting operation platform which is composed of the trolley serving as a supporting structure and the hydraulic lifting folding tower structure is small in size and convenient to transport; the lifting assembly is connected with the top cover, then the push support assembly is retracted into the cage, the top cover is lifted by the lifting assembly to be separated from the shell, and the convenience of top cover separation operation is improved; after the top cover is separated from the shell, the push support assembly extends out of the interior of the cage and is supported on the shell, and an overhaul worker stands on the extended push support assembly, so that the overhaul operation distance is reduced, and the overhaul convenience and safety are improved.
Description
Technical Field
The invention belongs to the technical field of transformer overhauling equipment, and particularly relates to a lifting operation table for overhauling a transformer.
Background
The transformer is a device for changing alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. The transformer is the basic equipment of power transmission and distribution, and the wide application is in fields such as industry, agriculture, traffic, city community, and the kind of transformer has a lot of, and wherein oil-immersed transformer's use is very extensive, generally when overhauing oil-immersed transformer, usually maintains the circuit of burning out of inside and changes the transformer oil after using for a long time.
The oil immersed transformer needs to be periodically overhauled, and also needs to be maintained on site by power grid personnel when a fault occurs, an engineering maintenance vehicle needs to be used during the overhauling and maintaining operation, a worker stands on a supporting plate of the engineering maintenance vehicle, then the vehicle lifts the worker to the side of the transformer, and the worker can carry out the overhauling and disassembling operation;
however, the engineering maintenance vehicle is large in size and only suitable for wide places beside the transformer, the engineering vehicle cannot drive into narrow roads, workers can only set up scaffolds on site, and the application range is limited; and meanwhile, the use and maintenance cost of the engineering truck is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lifting operation platform for overhauling a transformer, which has the following specific technical scheme:
a lifting operation platform for overhauling a transformer comprises an oil-immersed transformer and a trolley, wherein the oil-immersed transformer comprises a shell, a top cover, a bolt and a hanging block, transformer oil is filled in the shell, the top cover is fixed on the top surface of the shell through the bolt, and the hanging block is fixed on the top surface of the top cover;
the top surface of the trolley is provided with a folding tower of a hydraulic lifting structure, the top end of the folding tower is connected with a carriage, the top surface of the carriage is connected with lifting components, the lifting components are symmetrically arranged in two groups on the top surfaces of two side walls of the carriage, pushing and supporting components are inserted in the carriage in a sliding mode, the top surface of one side wall of the trolley is connected with a second pushing frame, an oil tank and an air tank are arranged between the folding tower and the second pushing frame on the top surface of the trolley, the top surface of the oil tank is connected with a water pump, the top surface of the air tank is connected with an air pump, the water pump and the air pump are respectively connected with the pushing and supporting components through pipelines, and the top surface of the trolley is connected with a step plate.
Furthermore, the lifting component comprises a support column, a handrail, a hanging plate, a winding wheel, a motor, a pull rope, a pulley and a hook, the support column is fixed on the top surface of the side wall of the cage, the handrail is connected to the top end of the support column, the hanging plate is inserted into the handrail, the top surface of the handrail is rotatably connected with the winding wheel, the end surface of the winding wheel is connected with the motor, the top surface of the hanging plate is rotatably connected with the pulley, a through hole is formed in the hanging plate, the through hole is formed in the bottom of the pulley, the pull rope is wound on the outer wall of the winding wheel, the pull rope turns to the outer wall of the pulley in a fitting manner and penetrates through the through hole to be connected with the hook, and the hook is used for being connected with the hanging block in a fitting manner.
Furthermore, a pushing block is fixed on the side wall of the hanging plate, a second sliding groove is formed in the side wall of the handrail, the pushing block is inserted into the second sliding groove in a sliding mode, and a pushing rod is connected to the top face of the pushing block.
Furthermore, the pushing and supporting assembly comprises a first pushing frame and a supporting plate, the supporting plate penetrates through the side wall of the cage and is inserted into the cage in a sliding mode, and the top surface, inserted into the cage, of the supporting plate is connected with the first pushing frame.
Furthermore, a guide rail is fixed on the inner wall of the cage, a first sliding groove is formed in the side wall of the supporting plate, and the guide rail is inserted into the first sliding groove in a sliding mode.
Furthermore, the push support assembly further comprises a liquid outlet pipe and a liquid inlet hose, the bottom end of the liquid inlet hose is in through connection with the water pump, the other end of the liquid inlet hose penetrates through the cage to be connected to the inside of the supporting plate, and the liquid outlet pipe is slidably inserted into the inside of the supporting plate and is in through connection with the liquid inlet hose.
Furthermore, the push support assembly further comprises an air outlet pipe and an air inlet hose, the bottom end of the air inlet hose is communicated with the air pump, the other end of the air inlet hose penetrates through the cage and is connected to the inside of the supporting plate, and the air outlet pipe is inserted into the inside of the supporting plate in a sliding mode and is communicated with the liquid inlet hose.
Furthermore, oil tank and gas pitcher are the stairstepping structure, the ladder bottom surface of ladder board is laminated in the ladder face of oil tank and gas pitcher.
The invention has the beneficial effects that:
1. the trolley is used as a lifting operation platform consisting of a supporting structure and a hydraulic lifting folding tower structure, so that the size is small, and the trolley is convenient to transport;
2. the pushing and supporting assembly extends out of the cage and is supported on the top cover, the bolt is taken down, the lifting and hanging assembly is used for connecting the pushing and supporting assembly with the top cover, then the pushing and supporting assembly is retracted into the cage, the top cover is lifted and separated from the shell through the lifting and hanging assembly, and the convenience of top cover separation operation is improved;
3. after the top cover is separated from the shell, the push support assembly extends out of the interior of the cage and is supported on the shell, and an overhaul worker stands on the extended push support assembly, so that the overhaul operation distance is reduced, and the overhaul convenience and safety are improved.
Drawings
FIG. 1 is a schematic diagram showing a state that a lifting operation platform for overhauling a transformer is close to an oil-immersed transformer;
FIG. 2 shows a schematic of the overall structure of the present invention;
figure 3 shows a schematic view of the connection structure of the cage and the push-brace assembly and the lifting assembly of the invention;
FIG. 4 is a cross-sectional view of the armrest and hanger plate attachment structure of the present invention;
FIG. 5 is a schematic structural view illustrating the bolt-released state of the present invention as a whole;
FIG. 6 is a schematic structural view of the present invention showing the lifting assembly and the top cover in a connected state;
FIG. 7 is a schematic view of the present invention in its entirety in service within a housing;
shown in the figure: 1. an oil-immersed transformer; 11. a housing; 12. a top cover; 13. a bolt; 14. a hanging block; 2. a push support assembly; 21. a first pushing frame; 211. a through groove; 212. positioning bolts; 22. a support plate; 221. a first chute; 23. a liquid outlet pipe; 24. an air outlet pipe; 25. a liquid inlet hose; 26. an air intake hose; 3. a lifting assembly; 31. a pillar; 32. a handrail; 321. a second chute; 33. a hanger plate; 331. pushing a block; 332. a push rod; 333. a through hole; 34. a winding wheel; 35. a motor; 36. pulling a rope; 37. a pulley; 38. hooking; 4. a cage; 41. a guide rail; 5. an air pump; 6. a water pump; 7. an oil tank; 8. a gas tank; 9. pushing a cart; 9a, a second pushing frame; 9b, a step plate; 9c, folding the tower.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A lifting operation platform for overhauling a transformer comprises an oil-immersed transformer 1 and a trolley 9, wherein the oil-immersed transformer 1 comprises a shell 11, a top cover 12, a bolt 13 and a hanging block 14, transformer oil is filled in the shell 11, the top cover 12 is fixed on the top surface of the shell 11 through the bolt 13, and the hanging block 14 is fixed on the top surface of the top cover 12;
the top surface of the trolley 9 is provided with a folding tower frame 9c of a hydraulic lifting structure, the top end of the folding tower frame 9c is connected with a carriage 4, the top surface of the carriage 4 is connected with a lifting component 3, two groups of lifting components 3 are symmetrically arranged on the top surfaces of two side walls of the carriage 4, a push support component 2 is inserted in the carriage 4 in a sliding manner, the top surface of the side wall of the trolley 9 is connected with a second push frame 9a, an oil tank 7 and an air tank 8 are arranged between the folding tower frame 9c and the second push frame 9a on the top surface of the trolley 9, the top surface of the oil tank 7 is connected with a water pump 6, the top surface of the air tank 8 is connected with an air pump 5, the water pump 6 and the air pump 5 are respectively connected with the push support component 2 through pipelines, and the top surface of the trolley 9 is connected with a stepped plate 9b;
the trolley 9 is used as a supporting structure and a lifting operation platform consisting of a hydraulic lifting folding tower 9c structure, so that the trolley is small in size and convenient to transport;
the bolts 13 are removed by extending the push support assembly 2 from the interior of the carriage 4 and supporting the push support assembly on the top cover 12, the lifting assembly 3 is utilized to be connected with the top cover 12, then the push support assembly 2 is retracted into the interior of the carriage 4, the top cover 12 is lifted by the lifting assembly 3 and separated from the shell 11, and the convenience of the top cover 12 separation operation is improved;
the existing operation mode is as follows: the maintenance personnel need to separate and carry the top cover with heavier mass on the maintenance platform to maintain the interior of the transformer, the operation is laborious, the danger of collision and falling of the top cover is easily caused in the carrying process, and the top cover is carried and installed after the maintenance is finished;
this application through push away the subassembly that props and lift by crane the subassembly cooperation, can realize the separation of top cap and casing fast, it is more laborsaving convenient to at the in-process of overhauing, the casing top is arranged in all the time to the top cap, so, the workman can separate the connecting wire of top cap and casing as required, need not whole separately, the follow-up equipment of being convenient for, the workman of also being convenient for is when overhauing, the synchronous observation is handled, electrical components on electrical components, the top cap in the casing, improve maintenance efficiency.
After the top cover 12 is separated from the shell 11, the push support assembly 2 extends from the interior of the carriage 4 and is supported on the shell 11, and an overhaul worker stands on the extended push support assembly 2, so that the overhaul operation distance is reduced, and the overhaul convenience and safety are improved.
As shown in fig. 2 and 3, the lifting and hanging assembly 3 includes a pillar 31, a handrail 32, a hanging plate 33, a winding wheel 34, a motor 35, a pulling rope 36, a pulley 37 and a hook 38, the pillar 31 is fixed on the top surface of the sidewall of the car 4, the top end of the pillar 31 is connected with the handrail 32, the hanging plate 33 is inserted into the handrail 32, the top surface of the handrail 32 is rotatably connected with the winding wheel 34, the end surface of the winding wheel 34 is connected with the motor 35, the top surface of the hanging plate 33 is rotatably connected with the pulley 37, a through hole 333 is formed in the hanging plate 33, the through hole 333 is formed in the bottom of the pulley 37, the pulling rope 36 is wound on the outer wall of the winding wheel 34, the pulling rope 36 is turned by being attached to the outer wall of the pulley 37 and is connected with the hook 38 by penetrating through the through hole 333, and the hook 38 is used for being matched and connected with the hanging block 14;
by extending the hanger plate 33 from the inside of the handle 32, the hook 38 is moved to the top of the hanging block 14, the hook 38 is pulled downward and the pulling rope 36 is pulled out from the winding wheel 34, the hook 38 is connected to the hanging block 14, then the winding wheel 34 is rotated by the starter motor 35, the pulling rope 36 is wound on the winding wheel 34, and the pulling rope 36 pulls the hook 38 and drives the top cover 12 to rise.
As shown in fig. 3 and 4, a push block 331 is fixed on a side wall of the hanging plate 33, a second sliding slot 321 is formed in a side wall of the armrest 32, the push block 331 is inserted into the second sliding slot 321 in a sliding manner, and a push rod 332 is connected to a top surface of the push block 331;
the push rod 332 is pushed and pulled at the position of the handrail 32, so that the push block 331 slides in the second sliding groove 321, the hanging plate 33 is driven by the push block 331 to slide and extend and retract in the handrail 32, the hook 38 can move to the top of the hanging block 14 conveniently, and the operation is simple and convenient.
As shown in fig. 2 and 3, the push support assembly 2 includes a first push frame 21 and a support plate 22, the support plate 22 penetrates through a side wall of the cage 4 and is inserted into the cage 4 in a sliding manner, and a top surface of the support plate 22 inserted into the cage 4 is connected with the first push frame 21;
by pushing the first pushing frame 21 on the cage 4, the first pushing frame 21 drives the supporting plate 22 to extend out of the interior of the cage 4, and the supporting area is extended by the supporting plate 22, so that a maintenance worker can conveniently stand on the supporting plate 22 for maintenance operation.
A guide rail 41 is fixed on the inner wall of the cage 4, a first sliding groove 221 is formed in the side wall of the supporting plate 22, and the guide rail 41 is inserted into the first sliding groove 221 in a sliding manner;
the guide rail 41 is matched and slides in the first sliding groove 221, so that the guidance of the support plate 22 moving from the cage 4 is improved, and the stability of the support plate 22 is ensured.
Example 2
In order to provide more safety guarantee for the maintenance during the maintenance, a stable supporting structure is adopted, and the push support assembly 2 is connected with the air pump 5 capable of conveying inert gas, so that the safety protection effect is improved;
in order to facilitate the replacement of the transformer oil more conveniently, the push support assembly 2 with the following structure is connected with a water pump 6 capable of conveying new transformer oil;
the push support assembly 2 further comprises a liquid outlet pipe 23 and a liquid inlet hose 25, the bottom end of the liquid inlet hose 25 is communicated with the water pump 6, the other end of the liquid inlet hose 25 penetrates through the cage 4 and is connected to the inside of the supporting plate 22, and the liquid outlet pipe 23 is inserted into the inside of the supporting plate 22 in a sliding mode and is communicated with the liquid inlet hose 25;
after the top cover 12 is opened and transformer oil obtained after the interior of the shell 11 is used for a long time is discharged, the liquid outlet pipe 23 is drawn out from the supporting plate 22 on the supporting plate 22, the water pump 6 is started to guide new transformer oil in the oil tank 7 into the interior of the shell 11 through the liquid inlet hose 25 and the liquid outlet pipe 23, and convenience in changing and adding the transformer oil is improved.
The push support component 2 further comprises an air outlet pipe 24 and an air inlet hose 26, the bottom end of the air inlet hose 26 is communicated with the air pump 5, the other end of the air inlet hose 26 penetrates through the cage 4 and is connected to the inside of the supporting plate 22, and the air outlet pipe 24 is inserted in the inside of the supporting plate 22 in a sliding mode and is communicated with the liquid inlet hose 25;
open top cap 12 when overhauing the inside circuit that takes place the firing of shell 11, through starting air pump 5 with the inside inert gas of gas pitcher 8 through air inlet hose 26 and outlet duct 24 discharge, take outlet duct 24 from backup pad 22 is inside to be taken out, utilize exhaust inert gas to carry out the drying to the maintainer hand earlier, prevent to remain on hand the sweat and the electrically conductive condition appears, then cool off the circuit of firing again, and fill inert gas into inside the shell 11, play the effect of isolated air to the inside circuit of shell 11, the maintainer maintains the circuit of transformer again at last, the security of overhauing has been improved.
As shown in fig. 2, the oil tank 7 and the gas tank 8 are both of a stepped structure, and the stepped bottom surface of the stepped plate 9b is fitted to the stepped surfaces of the oil tank 7 and the gas tank 8;
through supporting oil tank 7 and gas pitcher 8 in step ladder board 9 b's bottom, improved step ladder board 9 b's support intensity, guaranteed the security of maintainer climbing to save step ladder board 9 b's occupation space, reduced the holistic occupation space of operation panel, improved transportation and carry the convenience.
In the practice of the present invention, the catalyst is,
firstly, pushing a cart 9 to the side of an oil-immersed transformer 1 by a second pushing frame 9a according to the hand-push in fig. 1-4, enabling a machine room 4 to be close to a shell 11, clamping and fixing wheels of the cart 9, standing on a step plate 9b, climbing upwards onto the machine room 4, starting a hydraulic rod of a folding tower frame 9c, enabling the folding tower frame 9c to push the machine room 4 to ascend, simultaneously stretching a liquid inlet hose 25 and an air inlet hose 26 when the machine room 4 ascends, and enabling the bottom surface of a supporting plate 22 and the top surface of a top cover 12 to be at the same height when the machine room 4 ascends, wherein a maintenance worker firstly opens a bolt 13 close to the machine room 4 on the top cover 12 and separates from the top cover 12;
then, the first pushing frame 21 is pushed on the cage 4 according to fig. 2, 3 and 5, the pushing block 331 and the pushing rod 332 on the hanging plate 33 pass through the through slot 211, and simultaneously, the supporting plate 22 can be pushed by feet, so that the supporting plate 22 slides out from the inside of the cage 4 along the guide rail 41 until the first pushing frame 21 is attached to the inner wall of the cage 4, then the positioning bolt 212 is rotated to clamp the first pushing frame 21 on the handrail 32, and the supporting plate 22 extends to a large area and is attached to the top surface of the top cover 12, and then the maintainer can take off the bolt 13 which is standing on the supporting plate 22 and connects the top cover 12 and the shell 11;
after the bolt 13 is removed according to fig. 3, 4 and 6, the top cover 12 is attached to the housing 11, then the push rods 332 are respectively pushed on the two armrests 32, the push rods 332 drive the push blocks 331 to slide in the second sliding grooves 321, so that the hanging plate 33 extends out of the armrests 32, meanwhile, under the restriction of the hooks 38, part of the pull rope 36 is pulled out from the winding wheel 34 until the hooks 38 move to the top of the hanging blocks 14, then the hooks 38 are pulled downwards to continue to pull out the pull rope 36, and the hooks 38 are hooked into the hanging blocks 14, at this time, the first push frame 21 is pulled again, the support plate 22 is retracted into the car 4, and the restriction on the top of the top cover 12 is released;
finally, according to fig. 2, 3 and 7, after the support plate 22 is retracted into the cage 4, the motor 35 on the handle 32 is started, the motor 35 drives the winding wheel 34 to rotate to wind the pull rope 36, the pull rope 36 winds the winding wheel 34, the pull rope 36 pulls the hook 38 upwards, the hook 38 drives the top cover 12 to ascend through the connection with the hanging block 14 to be separated from the shell 11 until the top surface of the hanging block 14 is attached to the bottom surface of the hanging plate 33, so that the stability of the position of the top cover 12 after ascending is ensured, at the moment, the first push frame 21 is pushed again, the support plate 22 extends out to be attached to and supported on the top surface of the shell 11, and the stability of the operation table is ensured again;
then, a maintainer stands on the supporting block firstly, discharges the hydraulic oil used for a long time in the shell 11, extracts the air outlet pipe 24 inserted in the supporting plate 22, starts the air pump 5, guides the inert gas in the air tank 8 into the air outlet pipe 24 through the air inlet hose 26, holds the air outlet pipe 24 by the maintainer to dry the hands by the inert gas, prevents sweat from remaining on the hands and generates electric conduction, aligns the air outlet pipe 24 to a burning circuit, cools the circuit by using the low temperature of the inert gas, fills the inert gas into the shell 11, plays a role in isolating air for the circuit in the shell 11, prevents the circuit from continuing to burn, and simultaneously blows off smoke generated by a fault, so that a worker can observe the fault position conveniently, and the maintainer maintains and replaces the circuit of the transformer, and improves the maintenance safety;
and finally, the liquid outlet pipe 23 is drawn out from the supporting plate 22 on the supporting plate 22, the water pump 6 is started to guide new transformer oil in the oil tank 7 into the shell 11 through the liquid inlet hose 25 and the liquid outlet pipe 23, the convenience of replacing and adding the transformer oil is improved, and after the transformer oil is replaced, the top cover 12 and the shell 11 are fixed according to the opposite steps to complete the overhaul of the oil-immersed transformer.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a lift operation panel for transformer overhauls which characterized in that: the oil immersed transformer comprises a shell, a top cover, a bolt and a hanging block, wherein transformer oil is filled in the shell, the top cover is fixed on the top surface of the shell through the bolt, and the hanging block is fixed on the top surface of the top cover;
the top surface of the trolley is provided with a folding tower of a hydraulic lifting structure, the top end of the folding tower is connected with a carriage, the top surface of the carriage is connected with lifting components, the lifting components are symmetrically arranged in two groups on the top surfaces of two side walls of the carriage, pushing and supporting components are inserted in the carriage in a sliding mode, the top surface of one side wall of the trolley is connected with a second pushing frame, an oil tank and an air tank are arranged between the folding tower and the second pushing frame on the top surface of the trolley, the top surface of the oil tank is connected with a water pump, the top surface of the air tank is connected with an air pump, the water pump and the air pump are respectively connected with the pushing and supporting components through pipelines, and the top surface of the trolley is connected with a step plate.
2. The lifting operation platform for overhauling the transformer as recited in claim 1, wherein: the lifting component comprises a supporting column, a handrail, a hanging plate, a winding wheel, a motor, a pull rope, a pulley and a hook, the supporting column is fixed on the top surface of the side wall of the cage, the handrail is connected to the top end of the supporting column, the hanging plate is inserted into the handrail, the winding wheel is rotatably connected to the top surface of the handrail, the motor is connected to the end face of the winding wheel, the pulley is rotatably connected to the top surface of the hanging plate, a through hole is formed in the hanging plate and is arranged at the bottom of the pulley, the pull rope is wound on the outer wall of the winding wheel, the pull rope turns to the direction through the outer wall of the pulley and penetrates through the through hole to be connected with the hook, and the hook is used for being connected with the hanging block in a matched mode.
3. A lifting operating platform for transformer overhaul according to claim 2, wherein: the side wall of the hanging plate is fixedly provided with a push block, the side wall of the handrail is provided with a second sliding groove, the push block is inserted into the second sliding groove in a sliding mode, and the top face of the push block is connected with a push rod.
4. The lifting operation platform for overhauling the transformer as claimed in claim 1, wherein: the push support component comprises a first push frame and a supporting plate, the supporting plate penetrates through the side wall of the cage and is inserted into the cage in a sliding mode, and the top face, inserted into the cage, of the supporting plate is connected with the first push frame.
5. A lifting operating platform for transformer overhaul according to claim 4, wherein: the inner wall of the cage is fixedly provided with a guide rail, the side wall of the supporting plate is provided with a first sliding groove, and the guide rail is inserted in the first sliding groove in a sliding manner.
6. A lifting operating platform for transformer overhaul according to claim 5, wherein: the push support assembly further comprises a liquid outlet pipe and a liquid inlet hose, the bottom end of the liquid inlet hose is communicated with the water pump, the other end of the liquid inlet hose penetrates through the cage to be connected to the inside of the supporting plate, and the liquid outlet pipe is inserted into the inside of the supporting plate in a sliding mode and is communicated with the liquid inlet hose.
7. A lifting operating platform for transformer overhaul according to claim 6, wherein: the push support assembly further comprises an air outlet pipe and an air inlet hose, the bottom end of the air inlet hose is communicated with the air pump, the other end of the air inlet hose penetrates through the cage to be connected to the inside of the supporting plate, and the air outlet pipe is inserted into the inside of the supporting plate in a sliding mode and is communicated with the liquid inlet hose.
8. The lifting operation platform for overhauling the transformer as recited in claim 1, wherein: the oil tank and the gas tank are of stepped structures, and the stepped bottom surface of the stepped plate is attached to the stepped surface of the oil tank and the gas tank.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202210890177.8A CN115259035B (en) | 2022-07-27 | 2022-07-27 | Lifting operation table for overhauling transformer |
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Application Number | Priority Date | Filing Date | Title |
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CN202210890177.8A CN115259035B (en) | 2022-07-27 | 2022-07-27 | Lifting operation table for overhauling transformer |
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CN115259035A true CN115259035A (en) | 2022-11-01 |
CN115259035B CN115259035B (en) | 2024-02-27 |
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CN202210890177.8A Active CN115259035B (en) | 2022-07-27 | 2022-07-27 | Lifting operation table for overhauling transformer |
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CN (1) | CN115259035B (en) |
Cited By (1)
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CN116914612A (en) * | 2023-09-14 | 2023-10-20 | 济南西电特种变压器有限公司 | Auxiliary dismounting platform for overhauling transformer |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116914612A (en) * | 2023-09-14 | 2023-10-20 | 济南西电特种变压器有限公司 | Auxiliary dismounting platform for overhauling transformer |
CN116914612B (en) * | 2023-09-14 | 2023-11-24 | 济南西电特种变压器有限公司 | Auxiliary dismounting platform for overhauling transformer |
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