Oil injection device for oil-immersed transformer

Abstract

The utility model provides an oiling device for an oil-immersed transformer, which relates to the technical field of oiling devices and comprises a device body. The device body is provided with a lifting bearing plate in the left-right direction, a threaded column is arranged in the middle of the bottom end face of the right end of the lifting bearing plate, a vertically-through mounting screw hole is formed in the center of the threaded column of the lifting bearing plate, and a vertically-through insertion hole is formed in the right side of the threaded column of the lifting bearing plate. A vertically-through penetrating hole is formed in the middle of the left end of the lifting bearing plate, and six threaded blind holes are formed in the periphery of the bottom end face of the penetrating hole of the lifting bearing plate in an annular array mode, so that a closed protective cover is conveniently installed on the lifting bearing plate through an anti-disengaging locking cylinder, and the lifting bearing plate can conveniently descend to cover a transformer oil filling hole with the closed protective cover; the problems that when a device injects oil into a transformer, an oil injection hole of the transformer cannot be sealed, external dust is likely to enter the interior of the transformer, and sealing measures are inconvenient to add on the device to seal the oil injection hole are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oiling device technical field, especially relate to a kind of oil-immersed transformer oiling device. BACKGROUND

[0002] Oil-immersed transformer oiling device is a kind of equipment for oil-immersed transformer, its main function includes the degassing, impurity removal and oil injection of insulating oil for transformer, the device usually includes oil drum, oil pump, oil filter, oil injection pipe mechanism and control system and other main parts, oil pump is injected into transformer by oil injection pipe with treated oil, simultaneously discharge gas in transformer, ensure the filling and insulation effect of oil.

[0003] Based on the above, the present inventor found that the existing oil-immersed transformer oiling device has the following disadvantages:

[0004] 1. The device cannot close the oil injection hole of the transformer when injecting oil into the transformer, which can easily lead to the entry of external dust into the transformer, and it is not convenient to install a closing measure on the device to close the oil injection hole.

[0005] 2. The oil injection pipe is inserted and separated from the oil injection hole of the transformer by manual method, which leads to the action process of the oil injection pipe not being fast and accurate, and it is not convenient to install a lifting measure on the device to make the oil injection pipe act quickly. INVENTION CONTENTS

[0006] In order to solve the above technical problems, the utility model provides an oil-immersed transformer oiling device to solve the problems that the existing device cannot close the oil injection hole of the transformer when injecting oil into the transformer, which can easily lead to the entry of external dust into the transformer, and it is not convenient to install a closing measure on the device to close the oil injection hole; the oil injection pipe is inserted and separated from the oil injection hole of the transformer by manual method, which leads to the action process of the oil injection pipe not being fast and accurate, and it is not convenient to install a lifting measure on the device to make the oil injection pipe act quickly.

[0007] The purpose and effect of the utility model oil-immersed transformer oiling device are achieved by the following specific technical means:

[0008] The utility model provides an oil -immersed transformer oil injection device, including the device body, the device body is provided with the left and right direction's lifting bearing plate, the lifting bearing plate right end bottom end surface middle is provided with the threaded column, the threaded column center of lifting bearing plate is provided with the upper and lower through -going mounting screw hole, the threaded column right side of lifting bearing plate is provided with the upper and lower through -going insertion hole, the lifting bearing plate left end middle is provided with the upper and lower through -going through -hole, the through -hole bottom end surface periphery annular array of lifting bearing plate is provided with six threaded blind hole, the bearing circular groove of lifting bearing plate top end surface left side middle is provided with, the bearing circular groove center of lifting bearing plate is provided with the upper and lower through -going through -hole, the through -going through -hole front wall of lifting bearing plate is provided with the front and rear through -going stop screw hole, the threaded column of lifting bearing plate is installed with the upper and lower direction's anti -drop lock cylinder, the inside circumference of anti -drop lock cylinder is provided with the screw, the outside circumference annular array of anti -drop lock cylinder is provided with the anti -skid groove, the threaded column top outside circumference of lifting bearing plate is covered with the upper and lower direction's closed protective cover, and the closed protective cover is as the bellows structure, and the inside circumference of closed protective cover top is provided with the anti -drop ring plate, and the outside circumference of closed protective cover bottom is provided with the contact ring plate, and the top end surface right side of closed protective cover is provided with the upper and lower through -going exhaust cylinder, and the exhaust cylinder of closed protective cover inserts in the insertion hole inside of lifting bearing plate.

[0009] Further, the positive hexagonal prism of the lifting motor is provided with a driving gear plate through bolts, the bottom end surface center of the driving gear plate is provided with a regular hexagonal groove, the center of the driving gear plate is provided with an upper and lower through -going fixing hole, and the driving gear plate is engaged with the driven gear plate.

[0010] Further, the bottom end surface left end of the lifting bearing plate is provided with a lifting motor in the upper and lower direction through bolts, the top outside circumference of the lifting motor is provided with an annular fixing plate with an upper and lower through -going hole, the top protruding shaft end surface of the lifting motor is provided with a positive hexagonal prism, and the top end surface of the positive hexagonal prism of the lifting motor is provided with a threaded blind hole.

[0011] Further, the threaded hole inside of the driven gear plate is provided with a fixed bearing rod in the upper and lower direction, the bottom end surface of the fixed bearing rod is provided with a fixing plate with an upper and lower through -going hole at the front and rear ends, the outside circumference of the fixed bearing rod is provided with a screw, and the outside circumference of the fixed bearing rod is provided with a strip groove in the upper and lower direction in front.

[0012] Further, the inside of the bearing circular groove of the lifting bearing plate is provided with a driven gear plate through bearing, the bottom end surface middle of the driven gear plate is provided with a spacing column, the bottom outside circumference of the spacing column of the driven gear plate is provided with a bearing ring groove, and the center of the spacing column of the driven gear plate is provided with an upper and lower through -going threaded hole.

[0013] Further, the rotation-stopping screw hole of the lifting bearing plate is internally provided with a front-rear direction anti-escape rotation-stopping rod, a threaded rod is arranged at the rear of the anti-escape rotation-stopping rod, a limit ring plate is arranged at the outer circumference of the front end of the threaded rod of the anti-escape rotation-stopping rod, and a regular hexagonal prism is arranged on the front end surface of the threaded rod of the anti-escape rotation-stopping rod.

[0014] Further, the top of the mounting screw hole of the lifting bearing plate is internally provided with a top-bottom direction fixed oil injection cylinder through screwing, a thread is arranged on the outer circumference of the fixed oil injection cylinder, a regular hexagonal ring plate is arranged on the outer circumference of the top of the fixed oil injection cylinder, and a connecting hose is arranged on the top of the fixed oil injection cylinder.

[0015] Compared with the prior art, the device has the following beneficial effects:

[0016] The sealing protective cover is conveniently mounted on the lifting bearing plate through the anti-escape locking cylinder, the sealing protective cover is conveniently covered on the transformer oil injection hole by lowering the lifting bearing plate, and the problem that the transformer oil injection hole cannot be sealed when the device is used to inject oil into the transformer, and external dust is easily introduced into the transformer, is solved.

[0017] The lifting motor is conveniently driven to rotate through the driving gear plate, the driven gear plate is conveniently driven to rotate and engage with the fixed bearing rod, the driven gear plate is conveniently driven to synchronously lift the lifting bearing plate through the bearing, the fixed oil injection cylinder is conveniently lifted synchronously through the lifting bearing plate, the fixed oil injection cylinder is inserted into and separated from the transformer oil injection hole, the oil injection pipe is manually inserted into and separated from the transformer oil injection hole, the operation process of the oil injection pipe is not fast and accurate, and the device is inconveniently provided with the lifting measure to make the oil injection pipe operate fast. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a front view structural schematic diagram of the device.

[0019] Figure 2 is a disassembled structural schematic diagram of the device.

[0020] Figure 3 is an assembled bottom view schematic diagram of the lifting bearing plate and the anti-escape locking cylinder of the device.

[0021] Figure 4 is an assembled bottom view schematic diagram of the driven gear plate and the driving gear plate of the device.

[0022] Figure 5 is an assembled sectional view schematic diagram of the lifting bearing plate and the anti-escape rotation-stopping rod of the device.

[0023] Figure 6 is an assembled bottom view schematic diagram of the lifting motor and the driving gear plate of the device.

[0024] Figure: 1, device body; 2, lifting bearing plate; 3, anti-off locking cylinder; 4, closed protective cover; 5, fixed oil injection cylinder; 6, anti-off rotation rod; 7, driven gear plate; 8, fixed bearing rod; 9, lifting motor; 10, driving gear plate. DETAILED DESCRIPTION

[0025] The embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0026] Example one:

[0027] As shown in the accompanying Figure 1 to the accompanying Figure 6 :

[0028] The utility model provides a kind of oil-immersed transformer oil injection device, including device body 1;Device body 1 is provided with left and right direction lifting bearing plate 2, it is convenient to load each component, the middle of the bottom end surface of lifting bearing plate 2 right end is provided with threaded column, it is convenient for anti-off locking cylinder 3 to pass through thread installation, the center of the threaded column of lifting bearing plate 2 is provided with the installation screw hole that is passed through up and down, it is convenient for fixed oil injection cylinder 5 to pass through thread installation, the right side of the threaded column of lifting bearing plate 2 is provided with the insertion hole that is passed through up and down, it is convenient for the exhaust cylinder of closed protective cover 4 insertion, the middle of the left end of lifting bearing plate 2 is provided with the through hole that is passed through up and down, it is convenient for lifting motor 9 to project shaft to pass through, the periphery annular array of the through hole bottom end surface of lifting bearing plate 2 is provided with six threaded blind holes, it is convenient for lifting motor 9 to be fixedly installed by bolt, the middle of the top end surface left side of lifting bearing plate 2 is provided with bearing circular groove, it is convenient for driven gear plate 7 to be installed by bearing, the center of the bearing circular groove of lifting bearing plate 2 is provided with the through hole that is passed through up and down, it is convenient for fixed bearing rod 8 to pass, the wall in front of the through hole of lifting bearing plate 2 is provided with the rotation-stopping screw hole that is passed through front and back, it is convenient for anti-off rotation rod 6 to pass through thread installation, the threaded column of lifting bearing plate 2 is installed with the anti-off locking cylinder 3 in up and down direction, it is convenient for closed protective cover 4 to be locked and prevented from falling off, the inside circumference of anti-off locking cylinder 3 is provided with thread, it is convenient for being installed by thread, the outside circumference of anti-off locking cylinder 3 is provided with anti-skid groove in annular array, it is convenient for rotating anti-skid, the top outside circumference of the threaded column of lifting bearing plate 2 is covered with closed protective cover 4 in up and down direction, it is convenient to cover transformer oil injection hole and protect, the whole closed protective cover 4 is bellows structure, it is convenient to contract under stress, the inside circumference of the top of closed protective cover 4 is provided with anti-off ring plate, it is convenient for being locked and prevented from falling off by anti-off locking cylinder 3, the outside circumference of the bottom of closed protective cover 4 is provided with contact ring plate, it is convenient to contact with transformer, the top end surface right side of closed protective cover 4 is provided with the exhaust cylinder that is passed through up and down, it is convenient for air in transformer to be discharged, the exhaust cylinder of closed protective cover 4 is inserted in the insertion hole inside lifting bearing plate 2, it is convenient for closed protective cover 4 to be limited rotation.

[0029] The inside top of the mounting screw hole of the lifting bearing plate 2 is provided with an up-down fixed oil injection cylinder 5 through screwing, which is convenient for oil injection into the transformer, the outer periphery of the fixed oil injection cylinder 5 is provided with a screw thread, which is convenient for screwing, the outer periphery of the top of the fixed oil injection cylinder 5 is provided with a regular hexagonal ring plate, which is convenient for being disassembled and assembled through a tool, the top of the fixed oil injection cylinder 5 is provided with a connecting hose, which is convenient for connecting an external oil supply pipeline, the inside of the rotation-stopping screw hole of the lifting bearing plate 2 is provided with a front-rear anti-escape rotation-stopping rod 6, which is convenient for stopping the rotation of the lifting bearing plate 2, the rear of the anti-escape rotation-stopping rod 6 is provided with a screw rod, which is convenient for screwing, the outer periphery of the front end of the screw rod of the anti-escape rotation-stopping rod 6 is provided with a limiting ring plate, which is convenient for limiting, the front end surface of the screw rod of the anti-escape rotation-stopping rod 6 is provided with a regular hexagonal prism, which is convenient for being disassembled and assembled through a tool, the inside of the bearing circular groove of the lifting bearing plate 2 is provided with a driven gear plate 7 through a bearing, which is convenient for the driven gear plate 7 to rotate through the bearing, the middle of the bottom end surface of the driven gear plate 7 is provided with a spacing column, which is convenient for spacing from the lifting bearing plate 2, the outer periphery of the bottom of the spacing column of the driven gear plate 7 is provided with a bearing ring groove, which is convenient for being installed through a bearing, the center of the spacing column of the driven gear plate 7 is provided with an up-down threaded hole, which is convenient for a fixed bearing rod 8 to be installed through screwing, the inside of the threaded hole of the driven gear plate 7 is provided with an up-down fixed bearing rod 8, which is convenient for bearing and stress of each component, the bottom end surface of the fixed bearing rod 8 is provided with a fixed plate with up-down through holes at the front and rear ends, which is convenient for being fixed to the ground through bolts, the outer periphery of the fixed bearing rod 8 is provided with a screw thread, which is convenient for the driven gear plate 7 to be installed through screwing, the outer periphery of the front of the fixed bearing rod 8 is provided with an up-down strip-shaped groove, which is convenient for the anti-escape rotation-stopping rod 6 to be inserted into the strip-shaped groove to stop the rotation of the lifting bearing plate 2, the bottom end surface of the left end of the lifting bearing plate 2 is provided with an up-down lifting motor 9 through bolts, which is convenient for bearing a driving gear plate 10, the top of the lifting motor 9 is provided with an annular fixed plate with up-down through holes, which is convenient for being installed through bolts, the top of the lifting motor 9 is provided with a regular hexagonal prism, which is convenient for the driving gear plate 10 to be sleeved and synchronized, the top end surface of the regular hexagonal prism of the lifting motor 9 is provided with a threaded blind hole, which is convenient for the driving gear plate 10 to be installed through bolts, the regular hexagonal prism of the lifting motor 9 is provided with the driving gear plate 10 through bolts, which is convenient for driving the driven gear plate 7 to rotate, the bottom end surface of the center of the driving gear plate 10 is provided with a regular hexagonal groove, which is convenient for the regular hexagonal prism of the lifting motor 9 to be inserted and synchronized, the center of the driving gear plate 10 is provided with a fixed hole, which is convenient for being installed on the lifting motor 9 through bolts, the driving gear plate 10 is engaged with the driven gear plate 7, which is convenient for the driving gear plate 10 to drive the driven gear plate 7 to rotate.

[0030] The specific use mode and effect of the embodiment are as follows:

[0031] In the utility model, Figure 1As shown, the device body 1 is in a state of ready for use, note that the fixed bearing rod 8 needs to be fixed on the ground by bolts, the lifting motor 9 needs to be connected to the external control power supply by electrical connection, the fixed oil injection cylinder 5 needs to be connected to the external oil supply equipment at the top, and the lower part of the closed protective cover 4 needs to be provided with a track and a track trolley, thereby the transformer is moved by the track trolley, when Figure 1 As shown, when the device body 1 is used to inject oil into the transformer, the forward rotation of the lifting motor 9 is started to drive the driving gear plate 10 to rotate, so that the driving gear plate 10 is engaged with the driven gear plate 7, the driven gear plate 7 is rotated by engagement, the driven gear plate 7 is engaged with the fixed bearing rod 8 by thread, the driven gear plate 7 is lowered by thread engagement, the driven gear plate 7 is driven by the bearing to lower the lifting bearing plate 2 synchronously, the lifting bearing plate 2 carries the fixed oil injection cylinder 5 to lower synchronously, the fixed oil injection cylinder 5 is lowered to insert into the inside of the transformer oil injection hole, thereby realizing the quick action of the fixed oil injection cylinder 5, at the same time, the lifting bearing plate 2 carries the closed protective cover 4 to lower synchronously, the bottom end face of the closed protective cover 4 is in contact with the transformer, thereby the transformer oil injection hole is protected by the closed protective cover 4, preventing dust from entering the inside of the transformer, then the external oil supply equipment is started, the oil enters the inside of the transformer from the fixed oil injection cylinder 5, the air in the inside of the transformer is discharged from the exhaust cylinder of the closed protective cover 4, thereby realizing the oil injection operation of the oil-immersed transformer, after the transformer is injected with oil, the reverse rotation of the lifting motor 9 is started to make the fixed oil injection cylinder 5 rise and separate from the inside of the transformer oil injection hole.

[0032] Example two:

[0033] The difference from example one is that the regular hexagonal ring plate of the fixed oil injection cylinder 5 can also be set as a regular heptagonal ring plate, thereby the fixed oil injection cylinder 5 needs to be rotated by a special tool matched with the regular heptagonal ring plate, preventing non-workers from rotating and disassembling the fixed oil injection cylinder 5.

[0034] Example three:

[0035] The difference from example one is that the regular hexagonal prism of the anti-escape rotation rod 6 can also be set as a regular heptagonal prism, thereby the anti-escape rotation rod 6 needs to be rotated by a special tool matched with the regular heptagonal prism, preventing non-workers from rotating and disassembling the anti-escape rotation rod 6.

Claims

1. An oil-immersed transformer oil filling device characterized by comprising: The device body (1) is provided with a lifting bearing plate (2), the right end bottom end face of the lifting bearing plate (2) is provided with a threaded column, the threaded column of the lifting bearing plate (2) is provided with an upper and lower through mounting screw hole in the center, the threaded column of the lifting bearing plate (2) is provided with an upper and lower through insertion hole on the right side, the left end of the lifting bearing plate (2) is provided with an upper and lower through hole, the bottom end face of the through hole of the lifting bearing plate (2) is provided with six threaded blind holes in the peripheral annular array, the top end face of the lifting bearing plate (2) is provided with a bearing circular groove on the left side, the center of the bearing circular groove of the lifting bearing plate (2) is provided with an upper and lower through hole, the front wall of the through hole of the lifting bearing plate (2) is provided with a front and rear through anti-rotation screw hole, the threaded column of the lifting bearing plate (2) is provided with an anti-loosening locking cylinder (3), the inside circumference of the anti-loosening locking cylinder (3) is provided with a thread, the outside circumference of the anti-loosening locking cylinder (3) is provided with an anti-skid groove in the peripheral annular array, the threaded column of the lifting bearing plate (2) is provided with a closed protective cover (4) on the top outside circumference, the closed protective cover (4) is in a corrugated tube structure as a whole, the inside circumference of the top of the closed protective cover (4) is provided with an anti-loosening ring plate, the outside circumference of the bottom of the closed protective cover (4) is provided with a contact ring plate, the top end face of the right side of the closed protective cover (4) is provided with an upper and lower through exhaust cylinder, the exhaust cylinder of the closed protective cover (4) is inserted into the insertion hole of the lifting bearing plate (2).

2. The oil-immersed transformer oil filling device according to claim 1, characterized in that: The inside top of the mounting screw hole of the lifting bearing plate (2) is provided with a fixed oil injection cylinder (5) through a thread, the outside circumference of the fixed oil injection cylinder (5) is provided with a thread, the top outside circumference of the fixed oil injection cylinder (5) is provided with a regular hexagonal ring plate, the top of the fixed oil injection cylinder (5) is provided with a connecting hose.

3. The oil filling device for oil-immersed transformer according to claim 2, characterized in that: The inside of the anti-rotation screw hole of the lifting bearing plate (2) is provided with an anti-loosening anti-rotation rod (6), the rear of the anti-loosening anti-rotation rod (6) is provided with a threaded rod, the front end outside circumference of the threaded rod of the anti-loosening anti-rotation rod (6) is provided with a limiting ring plate, the front end face of the threaded rod of the anti-loosening anti-rotation rod (6) is provided with a regular hexagonal prism.

4. The oil filling device for oil-immersed transformer according to claim 3, characterized in that: The inside of the bearing circular groove of the lifting bearing plate (2) is provided with a driven gear plate (7) through a bearing, the middle of the bottom end face of the driven gear plate (7) is provided with a spacing column, the bottom outside circumference of the spacing column of the driven gear plate (7) is provided with a bearing ring groove, the center of the spacing column of the driven gear plate (7) is provided with an upper and lower through threaded hole.

5. The oil filling device for oil-immersed transformer according to claim 4, characterized in that: The inside of the threaded hole of the driven gear plate (7) is provided with a fixed bearing rod (8), the bottom end face of the fixed bearing rod (8) is provided with a fixed plate with an upper and lower through hole at the front and rear ends, the outside circumference of the fixed bearing rod (8) is provided with a thread, the outside circumference of the fixed bearing rod (8) is provided with an upper and lower direction strip groove in front.

6. The oil filling device for oil immersed transformer as claimed in claim 4 wherein: The bottom end face of the left end of the lifting bearing plate (2) is provided with a lifting motor (9) through a bolt, the top outside circumference of the lifting motor (9) is provided with a ring-shaped fixed plate with an upper and lower through hole, the top protruding shaft end face of the lifting motor (9) is provided with a regular hexagonal prism, the top end face of the regular hexagonal prism of the lifting motor (9) is provided with a threaded blind hole.

7. The oil filling device for oil-immersed transformer according to claim 6, characterized in that: The positive hexagonal prism of the lifting motor (9) is bolted with a driving gear plate (10), the bottom end face center of the driving gear plate (10) is provided with a positive hexagonal slot, the center of the driving gear plate (10) is provided with a fixed hole penetrating up and down, and the driving gear plate (10) is engaged with the driven gear plate (7).

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