CN111229662A - Dust cleaning device for transformer bearing seat of substation - Google Patents

Abstract

A ash removal device for transformer substation bears seat includes movable support frame, drive arrangement, cleaning device, dust collector, drive arrangement, dust collector set up on movable support frame, and cleaning device's upper end and drive arrangement can dismantle and be connected, and movable support frame includes U type frame, elevating system, support base, universal wheel, the upper end and cleaning device, the dust collector fixed connection of U type frame, cleaning device are located the top of U type frame to clean the dust that bears on the seat, dust collector are located the side of U type frame, with absorption and storage dust, the lower extreme of U type frame and elevating system's upper end fixed connection, elevating system drive U type frame reciprocate, elevating system's lower extreme and the upper end fixed connection who supports the base, support the lower extreme and the universal wheel fixed connection of base. When the cleaning device works, the driving device drives the cleaning device to reciprocate to clean ash on the bearing seat of the transformer, so that dust can be thoroughly cleaned.

Description

Dust cleaning device for transformer bearing seat of substation

technical field

The invention relates to the technical field of power maintenance, in particular to a ash cleaning device used for a transformer bearing seat of a substation.

Background technique

A substation refers to a place in the power system that converts voltage and current, receives and distributes electric energy. The substation in the power plant is a booster substation, and its function is to boost the electric energy generated by the generator and feed it to the high-voltage power grid. The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core. The main functions are: voltage transformation, current transformation, impedance transformation, isolation, voltage regulation, etc.

When the existing transformer bearing seat is used for a long time, dust is likely to accumulate on the surface, and too much dust accumulation will affect the heat dissipation of the devices inside the bearing seat. In the maintenance and repair of the bearing seat, it is inconvenient for the dust to be cleaned thoroughly, and at the same time, the dust is easily scattered and affects the working environment.

SUMMARY OF THE INVENTION

In view of this, it is necessary to provide a dust cleaning device for a transformer substation bearing seat, which can facilitate dust cleaning and is less likely to generate floating dust during cleaning.

A dust cleaning device for a transformer bearing seat of a substation includes a movable support frame, a driving device, a cleaning device and a dust collecting device, the driving device and the dust collecting device are arranged on the movable supporting frame, and the upper end of the cleaning device and the driving device can be connected The movable support frame includes a U-shaped frame, a lifting mechanism, a support base, and a universal wheel. The upper end of the U-shaped frame is fixedly connected with the cleaning device and the dust collecting device. The cleaning device is located on the top of the U-shaped frame to clean the load. Dust on the seat, the dust collecting device is located on the side of the U-shaped frame to absorb and store dust. The lower end of the U-shaped frame is fixedly connected with the upper end of the lifting mechanism. The lifting mechanism drives the U-shaped frame to move up and down, and the lower end of the lifting mechanism is connected to the support base. The upper end of the support base is fixedly connected, and the lower end of the support base is fixedly connected with the universal wheel, so that the universal wheel drives the support base to move.

Preferably, the lifting mechanism includes an electric push rod and a plurality of retractable support rods, the electric push rod and the telescopic support rod are arranged in parallel between the U-shaped frame and the support base, and the upper end of the electric push rod is fixedly connected to the U-shaped frame, The lower end of the electric push rod is fixedly connected with the support base to drive the U-shaped frame to move up and down through the electric push rod.

Preferably, the driving device includes a driving motor, a rotating screw, a movable plate, and two sliders, the rotating shaft of the driving motor is fixedly connected to one end of the rotating screw, and the rotating screw is sleeved and connected to the movable plate, and the two The sliding block is located on both sides of the movable plate and is fixedly connected with the movable plate; the body of the driving motor is fixedly connected with the support frame, the movable support frame is provided with a movable groove, the movable plate is located in the movable groove, and the two sides of the movable groove are provided with movable grooves. There is a guide rail groove, the slider is located in the guide rail groove and is connected with the guide rail groove, the front end and the rear end of the movable groove are provided with through holes, and the two ends of the rotating screw rod are sleeved and connected with the through holes at the front end and the rear end of the movable groove; The movable plate is provided with threaded holes, the rotating screw rod is threadedly connected with the movable plate, and the lower end of the movable plate is also fixedly connected with the cleaning device. When the driving motor rotates, the rotating screw rod drives the movable plate to slide in the movable groove, thereby driving the cleaning device. The device moves along the extension direction of the movable slot to clean the bearing seat of the transformer.

Preferably, the cleaning device includes a mounting plate, a cleaning brush, a movable block, a plurality of sliding bars, a sliding sleeve, and a limit spring, the upper end of the mounting plate is fixedly connected with the lower end of the movable plate, and the lower end of the mounting plate is provided with a mounting plate. The upper end of the cleaning brush is provided with an installation block, the installation groove is sleeved and connected with the installation block, the side wall of the installation block is also provided with a card groove, the end of the movable card block close to the cleaning brush is connected with the card groove, and the movable card block is away from the card groove. One end of the cleaning brush is sleeved and connected to one end of the sliding rod, the other end of the sliding rod is sleeved and connected to the sliding sleeve, and the limit spring is sleeved on the sliding rod and located between the movable block and the sliding sleeve, and the limit spring is always in a contracted state.

Preferably, the dust collecting device includes a plurality of dust hoods, a first connecting pipe, a second connecting pipe, a fan, a dust collecting box, and a filter screen, and the plurality of dust hoods are arranged on both sides of the upper end of the support frame and are connected with each other. The support frame is fixedly connected, one side of the dust hood is connected with the air inlet of the first connecting pipe, the air outlet of the first connecting pipe is connected with the air inlet of the second connecting pipe, and the air outlet of the second connecting pipe is connected with the air inlet of the fan Connected, the air outlet of the fan is communicated with the air inlet of the dust collecting box, one side of the dust collecting box is provided with an opening and communicated with the outside atmosphere, so as to balance the internal and external air pressure of the dust collecting box, and the dust collecting box is provided with an opening. One side is fixedly connected with the filter screen to prevent dust from being scattered into the atmosphere. During operation, the dust generated by the cleaning device cleaning the bearing seat enters the first connecting pipe through the dust hood, and finally enters the dust collecting box.

Beneficial effects: The dust cleaning device used for the transformer bearing seat of the substation includes a movable support frame, a driving device, a cleaning device and a dust collecting device. The driving device and the dust collecting device are arranged on the movable supporting frame, and the upper end of the cleaning device is connected to the driving device. Removable connection. The movable support frame includes a U-shaped frame, a lifting mechanism, a support base, and a universal wheel. The upper end of the U-shaped frame is fixedly connected with the cleaning device and the dust collection device. The cleaning device is located on the top of the U-shaped frame to clean The dust on the bearing seat, the dust collection device is located on the side of the U-shaped frame to absorb and store the dust, the lower end of the U-shaped frame is fixedly connected with the upper end of the lifting mechanism, the lifting mechanism drives the U-shaped frame to move up and down, and the lower end of the lifting mechanism is connected to the support The upper end of the base is fixedly connected, and the lower end of the support base is fixedly connected with the universal wheel. During operation, the driving device drives the cleaning device to reciprocate to clean the bearing seat of the transformer, so that the dust can be thoroughly cleaned; at the same time, the dust collecting device absorbs the floating dust during the cleaning process, and the floating dust generated during the cleaning process is less.

Description of drawings

FIG. 1 is a schematic structural diagram of a dust cleaning device for a transformer bearing seat of a substation according to the present invention.

FIG. 2 is a partial structural schematic diagram of the ash cleaning device used for the transformer bearing seat of the substation according to the present invention.

FIG. 3 is a schematic structural diagram of the drive device of the ash cleaning device for the transformer substation bearing seat of the present invention arranged on a U-shaped frame.

FIG. 4 is a schematic structural diagram of a cleaning device for a dust cleaning device for a transformer bearing seat of a substation according to the present invention.

In the figure: ash cleaning device 10, movable support frame 20, U-shaped frame 201, movable slot 2011, guide rail slot 20111, lifting mechanism 202, electric push rod 2021, retractable support rod 2022, support base 203, universal wheel 204, driving device 30, driving motor 301, rotating screw 302, movable plate 303, slider 304, cleaning device 40, installation plate 401, installation groove 4011, installation block 402, cleaning brush 403, movable card Block 404 , sliding rod 405 , sliding sleeve 406 , limit spring 407 , dust collecting device 50 , dust hood 501 , first connecting pipe 502 , second connecting pipe 503 , fan 504 , dust box 505 , filter 506 .

Detailed ways

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the accompanying drawings used in the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention, which are of great significance to the art For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

Referring to FIGS. 1 to 4 , a dust cleaning device 10 for a transformer bearing seat of a substation includes a movable support frame 20 , a driving device 30 , a cleaning device 40 , and a dust collecting device 50 . The driving device 30 and the dust collecting device 50 It is arranged on the movable support frame 20, and the upper end of the cleaning device 40 is detachably connected to the drive device 30. The movable support frame 20 includes a U-shaped frame 201, a lifting mechanism 202, a support base 203, and a universal wheel 204. The U-shaped frame 201 The upper end is fixedly connected with the cleaning device 40 and the dust collecting device 50. The cleaning device 40 is located on the top of the U-shaped frame 201 to clean the dust on the bearing seat. The dust collecting device 50 is located on the side of the U-shaped frame 201 to absorb and store the dust. The lower end of the U-shaped frame 201 is fixedly connected with the upper end of the lifting mechanism 202, the lifting mechanism 202 drives the U-shaped frame 201 to move up and down, the lower end of the lifting mechanism 202 is fixedly connected with the upper end of the support base 203, and the lower end of the support base 203 is connected with the universal wheel 204 is fixedly connected, so that the universal wheel 204 drives the support base 203 to move.

Further, the lifting mechanism 202 includes an electric push rod 2021 and several retractable support rods 2022. The electric push rod 2021 and the telescopic support rod 2022 are arranged in parallel between the U-shaped frame 201 and the support base 203. The upper end is fixedly connected with the U-shaped frame 201 , and the lower end of the electric push rod 2021 is fixedly connected with the support base 203 , so as to drive the U-shaped frame 201 to move up and down through the electric push rod 2021 .

In a preferred embodiment, the lifting mechanism 202 includes four retractable support rods 2022, and two sides of the support base 203 are respectively provided with two, so that the U-shaped frame 201 can be smoothly lifted and lowered, and the cleaning can be carried out smoothly. The device 40 operates stably during the cleaning process.

Further, the driving device 30 includes a driving motor 301, a rotating screw 302, a movable plate 303, and two sliding blocks 304. The rotating shaft of the driving motor 301 is fixedly connected to one end of the rotating screw 302, and the rotating screw 302 is connected to the rotating screw 302. The movable plate 303 is sleeved and connected, and the two sliders 304 are located on both sides of the movable plate 303 and are fixedly connected to the movable plate 303; the body of the driving motor 301 is fixedly connected to the support frame, and the movable support frame 20 is provided with a movable slot In 2011, the movable plate 303 is located in the movable groove 2011, the two sides of the movable groove 2011 are provided with the guide groove 20111, the slider 304 is located in the guide groove 20111 and is connected with the guide groove 20111, and the front and rear ends of the movable groove 2011 are provided with Through holes, the two ends of the rotating screw 302 are sleeved and connected with the through holes at the front and rear ends of the movable slot 2011; The lower end is also fixedly connected with the cleaning device 40. When the driving motor 301 rotates, the rotating screw 302 drives the movable plate 303 to slide in the movable slot 2011, thereby driving the cleaning device 40 to move along the extending direction of the movable slot 2011, which is a load on the transformer. Seat cleaning.

In a preferred embodiment, the movable plate 303 and the cleaning device 40 are welded. The two sides of the movable plate 303 are connected with the guide rail groove 20111 by engaging blocks, which can prevent the cleaning device 40 from swinging left and right during the cleaning process, which is beneficial to the stable operation of the cleaning device 40 . Bearings are provided in the through holes at the front end and the rear end of the movable groove 2011, and both ends of the rotating screw 302 are sleeved in the bearings to reduce the resistance during rotation.

Further, the cleaning device 40 includes an installation plate 401 , a cleaning brush 403 , a movable block 404 , a plurality of sliding bars 405 , a sliding sleeve 406 , and a limit spring 407 , and the upper end of the installation plate 401 is fixed to the lower end of the movable plate 303 Connection, the lower end of the mounting plate 401 is provided with a mounting slot 4011, the upper end of the cleaning brush 403 is provided with a mounting block 402, the mounting slot 4011 is sleeved and connected with the mounting block 402, and the side wall of the mounting block 402 is also provided with a card slot, a movable block One end of 404 close to the cleaning brush 403 is engaged with the card slot, one end of the movable block 404 away from the cleaning brush 403 is sleeved and connected to one end of the sliding rod 405, and the other end of the sliding rod 405 is sleeved and connected to the sliding sleeve 406, limiting the position The spring 407 is sleeved on the sliding rod 405 and is located between the movable block 404 and the sliding sleeve 406 , and the limiting spring 407 is always in a retracted state.

When installing or replacing the cleaning brush 403, first move the movable block 404 to one end of the sliding sleeve 406, and the limit spring 407 is further contracted; Then, insert the movable block 404 into the card slot, and under the action of the movable block 404, the cleaning brush 403 is fixed under the mounting plate 401.

Further, the dust collecting device 50 includes a plurality of dust extraction hoods 501, a first connection pipe 502, a second connection pipe 503, a fan 504, a dust collection box 505, and a filter screen 506, and the plurality of dust extraction hoods 501 are arranged on the support The two sides of the upper end of the frame are fixedly connected with the support frame, one side of the dust hood 501 is communicated with the air inlet of the first connecting duct 502, and the air outlet of the first connecting duct 502 is communicated with the air inlet of the second connecting duct 503, The air outlet of the second connecting pipe 503 is communicated with the air inlet of the fan 504, and the air outlet of the fan 504 is communicated with the air inlet of the dust collecting box 505. One side of the dust collecting box 505 is provided with an opening and communicated with the outside atmosphere, so as to The air pressure inside and outside the dust collecting box 505 is balanced, and the side with the opening of the dust collecting box 505 is fixedly connected with the filter screen 506 to prevent the dust from being scattered into the atmosphere. During operation, the cleaning device 40 cleans the dust generated by the bearing seat through dust extraction. The cover 501 enters the first connecting duct 502 and finally merges into the dust box 505 .

In a preferred embodiment, the filter screen 506 and the dust box 505 are connected by screws. The setting of the filter screen 506 is used to filter the gas discharged from the dust collecting box 505, which effectively avoids the problem of direct discharge of dust, and achieves a good dust-proof and dust-removing effect. The dust hood 501 is a cube-shaped shell, and one side of the dust hood 501 is open to absorb dust.

When cleaning the substation bearing seat, first move the cleaning device to the top of the bearing seat, adjust the height of the movable support frame 20, and make the cleaning brush 403 of the cleaning device 40 contact the bearing seat. Then, the driving device 30 is activated, so that the driving device 30 drives the cleaning device 40 to reciprocate, so that the cleaning device 40 cleans the bearing seat. The floating dust generated during the cleaning process of the cleaning device 40 is absorbed into the dust collecting box 505 under the action of the negative pressure of the dust collecting device 50, so that when the bearing seat is cleaned, the floating dust generated is less, and the reduction is reduced. Maintenance staff labor. In order to facilitate the control of the ash cleaning device 10 for the transformer bearing seat of the substation, the movement of the universal wheel 204 can be controlled by a motor. Specifically, two travel motors are arranged on the movable support frame 20, and the two travel motors are respectively fixedly connected to the rotating shafts of the two supporting wheels at the front end of the bottom of the movable support frame 20. By controlling the start and stop of the travel motors, the universal direction is controlled. The direction of travel of the wheel 204 . For example, if the universal wheel 204 is to be controlled to travel to the left, then the driving motor on the right is activated to drive the universal wheel 204 on the right to move forward, and the universal wheel 204 on the left does not move. The driving motor 301 for controlling the traveling motor and the driving device 30 may be controlled by a remote control method or an automatic control method. Taking automatic control as an example, a controller is provided on the ash cleaning device, and the controller is electrically connected with the traveling motor and the driving motor 301 . The travel distance of the movable support frame 20 and the cleaning stroke of the cleaning device 40 can be controlled by time control.

What is disclosed above is only the preferred embodiment of the present invention, of course, it cannot limit the scope of the right of the present invention. Those of ordinary skill in the art can understand that all or part of the process of realizing the above-mentioned embodiment can be made according to the claims of the present invention. The equivalent changes of the invention still belong to the scope covered by the invention.

Claims (5)

1. The utility model provides an ash removal device for transformer substation's transformer bears seat which characterized in that: including movable support frame, drive arrangement, cleaning device, dust collecting device, drive arrangement, dust collecting device set up on movable support frame, and cleaning device's upper end and drive arrangement can dismantle and be connected, and movable support frame includes U type frame, elevating system, support base, universal wheel, the upper end and cleaning device, the dust collecting device fixed connection of U type frame, cleaning device are located the top of U type frame to clean the dust that bears on the seat, dust collecting device are located the side of U type frame, with absorption and storage dust, the lower extreme of U type frame and elevating system's upper end fixed connection, elevating system drives U type frame and reciprocates, elevating system's lower extreme and the upper end fixed connection who supports the base, support the lower extreme and the universal wheel fixed connection of base, so that the universal wheel drives and supports the base motion.

2. The ash removal device for the transformer substation carrier seat according to claim 1, characterized in that: elevating system includes electric putter, a plurality of scalable bracing piece, and electric putter and scalable bracing piece parallel arrangement are between U type frame and support base, electric putter's upper end and U type frame fixed connection, electric putter's lower extreme and support base fixed connection to drive U type frame through electric putter and reciprocate.

3. The ash removal device for the transformer substation carrier seat according to claim 1, characterized in that: the driving device comprises a driving motor, a rotating screw rod, a movable plate and two sliding blocks, a rotating shaft of the driving motor is fixedly connected with one end of the rotating screw rod, the rotating screw rod is sleeved with the movable plate, and the two sliding blocks are positioned on two sides of the movable plate and fixedly connected with the movable plate; the machine body of the driving motor is fixedly connected with the support frame, a movable groove is formed in the movable support frame, the movable plate is located in the movable groove, guide rail grooves are formed in two sides of the movable groove, the sliding block is located in the guide rail grooves and connected with the guide rail grooves in a clamping mode, through holes are formed in the front end and the rear end of the movable groove, and two ends of the rotating screw rod are connected with the through holes in the front end and the rear end of the movable groove in a sleeved mode; the movable plate is provided with a threaded hole, the rotary screw rod is in threaded connection with the movable plate, the lower end of the movable plate is fixedly connected with the cleaning device, and when the driving motor rotates, the rotary screw rod drives the movable plate to slide in the movable groove, so that the cleaning device is driven to move along the extending direction of the movable groove, and the bearing seat of the transformer is cleaned.

4. The ash removal device for the transformer substation carrier seat according to claim 3, characterized in that: cleaning device includes mounting panel, cleaning brush, activity fixture block, a plurality of slide bar, sliding sleeve, spacing spring, the upper end of mounting panel and the lower extreme fixed connection of fly leaf, the lower extreme of mounting panel is equipped with the mounting groove, cleaning brush's upper end is equipped with the installation piece, the mounting groove is established with installation piece cover and is connected, the lateral wall of installation piece still is equipped with the draw-in groove, the activity fixture block is close to cleaning brush's one end and is connected with the draw-in groove block, the activity fixture block deviates from cleaning brush's one end and establishes with the pot head of slide bar and be connected, the other end and the sliding sleeve cover of slide bar are established and are connected, spacing spring housing is established on the slide bar, and be.

5. The ash removal device for the transformer substation carrier seat of claim 4, wherein: the dust collecting device comprises a plurality of dust hoods, a first connecting pipeline, a second connecting pipeline, a fan, a dust collecting box and a filter screen, wherein the dust hoods are arranged on two sides of the upper end of the support frame and fixedly connected with the support frame, one side of each dust hood is communicated with the air inlet of the first connecting pipeline, the air outlet of the first connecting pipeline is communicated with the air inlet of the second connecting pipeline, the air outlet of the second connecting pipeline is communicated with the air inlet of the fan, the air outlet of the fan is communicated with the air inlet of the dust collecting box, one side of the dust collecting box is provided with an opening and is communicated with the outside atmosphere, so that the internal and external air pressures of the dust collecting box are balanced, the side, provided with the opening, of the dust collecting box is fixedly connected with the filter screen to prevent dust from being scattered into the atmosphere, and during operation, the dust generated by the cleaning device cleaning the bearing seat enters the first connecting.

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