CN115259035B - Lifting operation table for overhauling transformer - Google Patents
Lifting operation table for overhauling transformer Download PDFInfo
- Publication number
- CN115259035B CN115259035B CN202210890177.8A CN202210890177A CN115259035B CN 115259035 B CN115259035 B CN 115259035B CN 202210890177 A CN202210890177 A CN 202210890177A CN 115259035 B CN115259035 B CN 115259035B
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- push
- top surface
- lifting
- plate
- top cover
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- 239000007788 liquid Substances 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 32
- 238000012423 maintenance Methods 0.000 description 13
- 239000011261 inert gas Substances 0.000 description 8
- 108010066278 cabin-4 Proteins 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 230000009466 transformation Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 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
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 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
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair 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
- 230000001360 synchronised effect Effects 0.000 description 1
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
- 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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- 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
Landscapes
- 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
The utility model provides a lift operation panel for transformer overhauls, includes oil-immersed transformer and shallow, the shallow top surface is provided with hydraulic pressure elevation structure's folding pylon, folding pylon top is connected with the organic railway carriage or compartment, the railway carriage or compartment top surface is connected with lifts by crane the subassembly, it is provided with two sets of to lift by crane the subassembly and be located two lateral wall top surface symmetries of railway carriage or compartment, the inside slip grafting of railway carriage or compartment has the push away and props the subassembly. The lifting operation table is formed by adopting the cart as the supporting structure and the hydraulic lifting folding tower structure, so that the lifting operation table 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 machine box, and the top cover is lifted and separated from the shell through the lifting assembly, so that 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 machine box and is supported on the shell, and an maintainer 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 overhaul equipment, and particularly relates to a lifting operation table for transformer overhaul.
Background
The transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and the 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, etc. The transformer is basic equipment for power transmission and distribution, is widely applied to the fields of industry, agriculture, traffic, urban communities and the like, has various types, is widely used, and is usually used for maintaining internal burnt lines and replacing transformer oil after long-term use when the oil-immersed transformer is overhauled.
The oil immersed transformer needs to be regularly overhauled, and power grid personnel are required to be maintained on site when faults occur, an engineering maintenance vehicle is required to be used during the overhauling and maintenance operations, workers stand on a supporting plate of the engineering maintenance vehicle, then the vehicle lifts the workers to the side of the transformer, and the workers can perform overhauling and disassembling operations;
however, the engineering maintenance vehicle has large volume and can only be suitable for wide places beside the transformer, and for narrow roads, the engineering vehicle can not be driven in, and workers can only set up scaffolds on site, so that the application range is limited; meanwhile, the engineering vehicle has high use and maintenance cost.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a lifting operation table for overhauling a transformer, which has the following specific technical scheme:
the lifting operation table comprises an oil immersed transformer and a trolley, wherein the oil immersed transformer comprises a shell, a top cover, bolts and a hanging block, transformer oil is filled in the shell, the top surface of the shell is fixed with the top cover through the bolts, and the hanging block is fixed on the top surface of the top cover;
the trolley is characterized in that the trolley top surface is provided with a folding tower of a hydraulic lifting structure, the top end of the folding tower is connected with an organic carriage, the top surface of the carriage is connected with lifting components, the lifting components are symmetrically arranged on the top surfaces of two side walls of the carriage, two groups of lifting components are arranged in the carriage in a sliding manner, the top surface of the 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, 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 lifting components through pipelines, and the top surface of the trolley is connected with a stepped plate.
Further, the lifting assembly comprises a support column, an armrest, a hanging plate, a winding wheel, a motor, a pull rope, a pulley and a hook, wherein the support column is fixed on the top surface of the side wall of the carriage, the armrest is connected with the top end of the support column, the hanging plate is inserted into the armrest, the top surface of the armrest is rotationally 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 rotationally connected with the pulley, a through hole is formed in the hanging plate, the through hole is arranged at the bottom of the pulley, the pull rope is wound on the outer wall of the winding wheel, the pull rope is connected with the hook through the steering of the outer wall of the pulley and the through hole, and the hook is used for being matched and connected with the hanging block.
Further, the hanger plate lateral wall is fixed with the ejector pad, the second spout has been seted up to the handrail lateral wall, the ejector pad slides and pegs graft in the second spout is inside, the ejector pad top surface is connected with the push rod.
Further, push away and prop the subassembly and include first pushing away frame and backup pad, the backup pad runs through the carriage lateral wall and slides and peg graft in the carriage is inside, the backup pad peg graft in the inside top surface of carriage and be connected with first pushing away frame.
Further, the inner wall of the cabin is fixed with a guide rail, a first chute is formed in the side wall of the supporting plate, and the guide rail is inserted into the first chute in a sliding manner.
Further, push away and prop the subassembly and still include drain pipe and feed liquor hose, feed liquor hose bottom and water pump link up and be connected, the feed liquor hose other end runs through the carriage and is connected in the backup pad inside, the drain pipe slides and peg graft in the backup pad inside and link up with the feed liquor hose and be connected.
Further, push away and prop the subassembly and still include outlet duct and air inlet hose, air inlet hose bottom and air pump link up and be connected, the air inlet hose other end runs through the machine case and connects in the backup pad is inside, the outlet duct slides and peg graft in the backup pad is inside and link up with the feed liquor hose and be connected.
Furthermore, the oil tank and the air 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 air tank.
The beneficial effects of the invention are as follows:
1. the trolley is used as a lifting operation table consisting of a supporting structure and a hydraulic lifting folding tower structure, so that the trolley is small in size and convenient to transport;
2. the push support assembly extends from the interior of the machine box to be supported on the top cover to take down the bolts, the push support assembly is connected with the top cover by the lifting assembly, then the push support assembly is retracted into the interior of the machine box, and the top cover is lifted and separated from the shell by the lifting assembly, so that 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 machine box and is supported on the shell, and an maintainer 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 shows a schematic structural diagram of a lifting operation platform for overhauling a transformer in a state of approaching an oil immersed transformer;
FIG. 2 shows a schematic overall structure of the present invention;
FIG. 3 shows a schematic diagram of the connection structure of the cage, the push-support assembly and the lifting assembly of the present invention;
FIG. 4 is a cross-sectional view showing the connection structure of the arm rest and hanger plate of the present invention;
FIG. 5 is a schematic view showing the structure of the present invention in its entirety in a bolt-released state;
FIG. 6 is a schematic structural view showing the invention in its entirety in a state of connection of the lifting assembly to the top cover;
FIG. 7 is a schematic view showing the overall structure of the invention in an inspection state inside the housing;
the figure shows: 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. a positioning bolt; 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 support post; 32. an armrest; 321. a second chute; 33. a hanger plate; 331. a pushing block; 332. a push rod; 333. a through hole; 34. a winding wheel; 35. a motor; 36. a pull rope; 37. a pulley; 38. a hook; 4. a cage; 41. a guide rail; 5. an air pump; 6. a water pump; 7. an oil tank; 8. a gas tank; 9. a cart; 9a, a second pushing frame; 9b, a step plate; 9c, folding the tower.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. 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
The lifting operation table for transformer overhaul comprises an oil immersed transformer 1 and a trolley 9, wherein the oil immersed transformer 1 comprises a shell 11, a top cover 12, bolts 13 and a hanging block 14, transformer oil is filled in the shell 11, the top surface of the shell 11 is fixed with the top cover 12 through the bolts 13, and the hanging block 14 is fixed on the top surface of the top cover 12;
the top surface of the cart 9 is provided with a folding tower 9c with a hydraulic lifting structure, the top end of the folding tower 9c is connected with an organic carriage 4, the top surface of the carriage 4 is connected with lifting components 3, two groups of lifting components 3 are symmetrically arranged on the top surfaces of two side walls of the carriage 4, push-supporting components 2 are inserted in the carriage 4 in a sliding manner, the top surface of the side wall of the cart 9 is connected with a second push-supporting frame 9a, an oil tank 7 and an air tank 8 are arranged between the folding tower 9c and the second push-supporting frame 9a on the top surface of the cart 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-supporting components 2 through pipelines, and the top surface of the cart 9 is connected with a step plate 9b;
the trolley 9 is used as a lifting operation table consisting of a supporting structure and a hydraulic lifting folding tower 9c structure, so that the trolley is small in size and convenient to transport;
the push-support assembly 2 is extended from the inside of the machine box 4 to be supported on the top cover 12, the bolt 13 is taken down, the push-support assembly 2 is connected with the top cover 12 by the lifting assembly 3, then the push-support assembly 2 is retracted into the inside of the machine box 4, and the top cover 12 is lifted and separated from the shell 11 by the lifting assembly 3, so that the convenience of the separation operation of the top cover 12 is improved;
the existing operation mode is as follows: the overhauling staff needs to separate and carry the top cover with heavy mass on the overhauling table to overhaul the inside 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 overhauling is finished;
the utility model discloses a through pushing away the subassembly and lifting by crane the subassembly cooperation that props, can realize the separation of top cap and casing fast, more laborsaving be convenient for to at the in-process of maintenance, 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 all separately, the follow-up equipment of being convenient for, also be convenient for the workman when the maintenance, synchronous observation handles, electrical components in the casing, electrical components on the top cap, improves maintenance efficiency.
After the top cover 12 is separated from the shell 11, the push-support assembly 2 extends out of the machine box 4 and is supported on the shell 11, and an maintainer stands on the extended push-support assembly 2, so that the maintenance operation distance is reduced, and the maintenance convenience and safety are improved.
As shown in fig. 2 and 3, the lifting assembly 3 includes a supporting column 31, a handrail 32, a lifting plate 33, a winding wheel 34, a motor 35, a pull rope 36, a pulley 37 and a hook 38, wherein the supporting column 31 is fixed on the top surface of the side wall of the cage 4, the top end of the supporting column 31 is connected with the handrail 32, the lifting plate 33 is inserted in the handrail 32, the winding wheel 34 is rotatably connected with the top surface of the handrail 32, the end surface of the winding wheel 34 is connected with the motor 35, the pulley 37 is rotatably connected with the top surface of the lifting plate 33, a through hole 333 is formed in the lifting plate 33, the through hole 333 is arranged at the bottom of the pulley 37, the pull rope 36 is wound on the outer wall of the winding wheel 34, the pull rope 36 is turned by being attached to the outer wall of the pulley 37, the hook 38 is connected with 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 armrest 32 so that the hook 38 moves to the top of the hitching block 14, the hook 38 is pulled downward and the pull cord 36 is pulled out from the winding wheel 34, the hook 38 is connected with the hitching block 14, then the motor 35 is started to rotate the winding wheel 34, the pull cord 36 is wound on the winding wheel 34, and the pull cord 36 pulls the hook 38 and drives the top cover 12 to rise.
As shown in fig. 3 and fig. 4, a push block 331 is fixed on the side wall of the hanging plate 33, a second chute 321 is provided on the side wall of the handrail 32, the push block 331 is slidably inserted into the second chute 321, and a push rod 332 is connected to the top surface of the push block 331;
by pushing and pulling the push rod 332 at the position of the handrail 32, the push block 331 slides in the second chute 321, and the hanging plate 33 is driven to slide in the handrail 32 to extend and retract by the push block 331, so that the hook 38 can conveniently move to the top of the hooking block 14, 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 the side wall of the cabin 4 and is slidably inserted into the cabin 4, and the top surface of the support plate 22 inserted into the cabin 4 is connected with the first push frame 21;
by pushing the first pushing frame 21 on the machine box 4, the first pushing frame 21 drives the supporting plate 22 to extend out of the machine box 4, and the supporting area is prolonged by the supporting plate 22, so that an maintainer can conveniently stand on the supporting plate 22 to carry out maintenance operation.
A guide rail 41 is fixed on the inner wall of the cabin 4, a first chute 221 is formed on the side wall of the supporting plate 22, and the guide rail 41 is slidably inserted into the first chute 221;
by the guide rail 41 sliding in the first sliding groove 221, the guiding performance of the movement of the support plate 22 from the cabin 4 is improved, and the stability of the support plate 22 is ensured.
Example 2
In order to provide more safety guarantee for overhaul when overhaul is performed, 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 adopted to be connected with the 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, wherein the bottom end of the liquid inlet hose 25 is in through connection with the water pump 6, the other end of the liquid inlet hose 25 penetrates through the machine box 4 to be connected to the inside of the supporting plate 22, and the liquid outlet pipe 23 is in sliding insertion connection to the inside of the supporting plate 22 and is in through connection with the liquid inlet hose 25;
after the top cover 12 is opened and the transformer oil obtained after the inside of the shell 11 is used for a long time is discharged, the liquid outlet pipe 23 is drawn out from the support plate 22 on the support plate 22, and the water pump 6 is started to guide new transformer oil in the oil tank 7 into the inside of the shell 11 through the liquid inlet hose 25 and the liquid outlet pipe 23, so that the convenience for replacing and adding the transformer oil is improved.
The push-support assembly 2 further comprises an air outlet pipe 24 and an air inlet hose 26, the bottom end of the air inlet hose 26 is in through connection with the air pump 5, the other end of the air inlet hose 26 penetrates through the machine box 4 to be connected to the inside of the support plate 22, and the air outlet pipe 24 is in sliding insertion connection to the inside of the support plate 22 and is in through connection with the liquid inlet hose 25;
when the top cover 12 is opened to overhaul the circuit of burning the inside of the shell 11, the air pump 5 is started to discharge inert gas in the air tank 8 through the air inlet hose 26 and the air outlet pipe 24, the air outlet pipe 24 is pulled out of the support plate 22, the discharged inert gas is firstly utilized to dry the hands of an maintainer, the condition that sweat remains on the hands to cause conduction is prevented, then the burnt circuit is cooled, the inert gas is filled into the shell 11, the circuit in the shell 11 plays a role of isolating air, and finally the maintainer repairs the circuit of the transformer, so that the overhaul safety is improved.
As shown in fig. 2, the oil tank 7 and the gas tank 8 are in a stepped structure, and the stepped bottom surfaces of the stepped plate 9b are attached to the stepped surfaces of the oil tank 7 and the gas tank 8;
through supporting oil tank 7 and gas pitcher 8 in the bottom of step plate 9b, improved the supporting strength of step plate 9b, guaranteed the security of maintainer climbing to saved the occupation space of step plate 9b, reduced the holistic occupation space of operation panel, improved transportation and portability.
In the practice of the present invention,
pushing the second pushing frame 9a according to the figures 1-4 to push the cart 9 to the side of the oil immersed transformer 1, enabling the machine box 4 to be close to the shell 11, clamping and fixing wheels of the cart 9, standing on the step plate 9b, climbing up to the machine box 4, starting a hydraulic rod of the folding tower 9c to enable the folding tower 9c to push the machine box 4 to ascend, simultaneously stretching the liquid inlet hose 25 and the air inlet hose 26 while the machine box 4 ascends, and enabling a maintainer to open bolts 13 on the top cover 12 close to the machine box 4 and separate the bolts from the top cover 12 when the bottom surface of the supporting plate 22 and the top surface of the top cover 12 are at the same height;
then according to fig. 2, 3 and 5, the first pushing frame 21 is pushed on the machine box 4, the pushing block 331 and the pushing rod 332 on the hanging plate 33 pass through the through groove 211, and meanwhile, the supporting plate 22 can be pushed by feet, so that the supporting plate 22 slides out of the interior of the machine box 4 along the guide rail 41 until the first pushing frame 21 is attached to the inner wall of the machine box 4, then the positioning bolt 212 is rotated to clamp the first pushing frame 21 on the handrail 32, the supporting plate 22 extends out of a larger area and is attached to the top surface of the top cover 12, and then an maintainer can take off the bolt 13 which is connected with the top cover 12 and the shell 11 by standing on the supporting plate 22;
after the bolts 13 are removed according to fig. 3, 4 and 6, the top cover 12 is attached to the housing 11, push rods 332 are respectively pushed on the two handrails 32, the push rods 332 drive push blocks 331 to slide in the second sliding grooves 321, so that the hanging plate 33 extends out of the interior of the handrails 32, meanwhile, under the limitation of the hooks 38, part of pull ropes 36 are pulled out from the winding wheels 34 until the hooks 38 move to the tops of the hanging blocks 14, then the hooks 38 are pulled downwards to continuously pull the pull ropes 36, the hooks 38 are hooked into the hanging blocks 14, at the moment, the first push frame 21 is pulled again, the support plates 22 are retracted into the machine box 4, and the limitation on the tops of the top cover 12 is released;
finally, according to fig. 2, 3 and 7, after the supporting plate 22 is retracted into the machine box 4, a motor 35 on the handrail 32 is started, the motor 35 drives a winding wheel 34 to rotate so as to wind a pull rope 36, the pull rope 36 pulls a hook 38 upwards along with the winding of the pull rope 36 onto the winding wheel 34, the hook 38 drives the top cover 12 to ascend and separate from the shell 11 through connection with the hanging block 14 until the top surface of the hanging block 14 is attached to the bottom surface of the hanging plate 33, the stability of the top cover 12 at the position after ascending is ensured, at the moment, the first pushing frame 21 is pushed again, the supporting plate 22 extends out and is attached to the top surface of the shell 11, and the stability of the operation table is ensured again;
then, an maintainer stands on the supporting block, hydraulic oil in the shell 11 after long-term use is discharged, then an air outlet pipe 24 inserted in the supporting plate 22 is extracted, an air pump 5 is started, inert gas in the air tank 8 is led into the air outlet pipe 24 through an air inlet hose 26, the maintainer holds the air outlet pipe 24 to dry hands of the inert gas, sweat is prevented from remaining on the hands to cause conduction, then the air outlet pipe 24 is aligned to a burnt circuit, the inert gas is utilized to cool the circuit, the inert gas is filled into the shell 11, the circuit in the shell 11 plays a role of isolating air, the circuit is prevented from continuing burning, meanwhile, gas can blow off smoke generated by faults, workers can observe fault positions conveniently, the maintainer maintains and replaces the circuit of the transformer, and the maintenance safety is improved;
finally, a liquid outlet pipe 23 is drawn out from the support plate 22 on the support 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 transformer oil replacement and addition is improved, after transformer oil replacement is completed, the top cover 12 and the shell 11 are fixed according to the opposite steps, and the maintenance of the oil immersed transformer is completed.
The foregoing description of the preferred embodiment of the invention is not intended to limit the invention to the particular form disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (4)
1. A lift operation panel for transformer overhauls, its characterized in that: the oil immersed transformer comprises a shell, a top cover, bolts and hanging blocks, transformer oil is filled in the shell, the top cover of the shell is fixed with the top cover through the bolts, and the hanging blocks are 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 an organic carriage, the top surface of the carriage is connected with lifting components, two groups of lifting components are symmetrically arranged on the top surfaces of two side walls of the carriage, push-supporting components are inserted in the carriage in a sliding manner, the top surface of the side wall of the trolley is connected with a second push-supporting frame, an oil tank and an air tank are arranged between the folding tower and the second push-supporting frame, 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 push-supporting components through pipelines, and the top surface of the trolley is connected with a stepped plate;
the push-support assembly comprises a first push frame and a support plate, wherein the support plate penetrates through the side wall of the machine box and is inserted into the machine box in a sliding manner, and the top surface of the support plate inserted into the machine box is connected with the first push frame;
the inner wall of the cabin is fixed with a guide rail, the side wall of the supporting plate is provided with a first chute, and the guide rail is inserted into the first chute in a sliding way;
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 machine box to be connected to the inside of the supporting plate, and the liquid outlet pipe is in sliding insertion connection to the inside of the supporting plate and is in through connection with the liquid inlet hose;
the push-support assembly further comprises an air outlet pipe and an air inlet hose, the bottom end of the air inlet hose is in through connection with the air pump, the other end of the air inlet hose penetrates through the machine box to be connected inside the support plate, and the air outlet pipe is in sliding connection inside the support plate and is in through connection with the liquid inlet hose.
2. A lifting console for transformer service as defined in claim 1, wherein: the lifting assembly comprises a support column, an armrest, a hanging plate, a winding wheel, a motor, a pull rope, a pulley and a hook, wherein the support column is fixed on the top surface of the side wall of a carriage, the top end of the support column is connected with the armrest, the hanging plate is inserted into the armrest, the top surface of the armrest is rotationally 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 rotationally 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 is connected with the hook through the steering and penetrating through hole of the outer wall of the pulley, and the hook is used for being matched and connected with the hanging block.
3. A lifting console for transformer service according to claim 2, wherein: the hanger plate lateral wall is fixed with the ejector pad, the second spout has been seted up to the handrail lateral wall, the ejector pad slides and pegs graft in the second spout is inside, the ejector pad top surface is connected with the push rod.
4. A lifting console for transformer service as defined in claim 1, wherein: the oil tank and the gas tank are of a stepped structure, 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 |
|---|---|---|---|
| CN202210890177.8A CN115259035B (en) | 2022-07-27 | 2022-07-27 | Lifting operation table for overhauling transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210890177.8A CN115259035B (en) | 2022-07-27 | 2022-07-27 | Lifting operation table for overhauling transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115259035A CN115259035A (en) | 2022-11-01 |
| CN115259035B true CN115259035B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210890177.8A Active CN115259035B (en) | 2022-07-27 | 2022-07-27 | Lifting operation table for overhauling transformer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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