CN215354941U - Transformer cooler self-cleaning device with step-by-step scanning function - Google Patents

Abstract

An automatic cleaning device of a transformer cooler with a step scanning function comprises two vertically arranged rails, wherein a traveling mechanism and a cleaning control mechanism are arranged on the rails, wherein the walking mechanism comprises a frame, both ends of the frame are provided with permanent magnetic tracks corresponding to the tracks, the permanent magnetic tracks are internally provided with driving wheels in a matching way, the two ends of the frame are also provided with a stepping motor, the output shaft of the stepping motor is connected with the rotating shaft of the driving wheel, the cleaning control mechanism comprises a ball screw and a guide rod which are arranged on the frame, the ball screw and the guide rod are arranged in parallel, the rack is also provided with a driving motor, an output shaft of the driving motor is connected with the ball screw, the guide rod is provided with a nut matched with the ball screw, the nut is provided with a universal direct current nozzle, and the driving motor can drive the universal direct current nozzle to transversely move on the rack.

Description

Transformer cooler self-cleaning device with step-by-step scanning function

Technical Field

The utility model relates to the technical field of transformer cleaning devices, in particular to an automatic cleaning device with a step scanning function for a transformer cooler.

Background

The transformer is the core equipment in the transformer substation, and whether its cooling system can normally work directly influences the safe operation and the time of active service of main change. At present, a strong oil circulation air cooling mode is usually adopted for the ultra-high voltage transformer, a cooling pipe of a cooler in a strong oil circulation air cooling heat dissipation mode is provided with dense scales, gaps formed by the scales are small, and the scales are easy to block by sundries and dirt, so that the heat dissipation effect of the cooler is reduced, and the oil temperature of the transformer is increased. The transformer runs for a long time under the condition that the temperature rise limit value is exceeded, the service life of the transformer is shortened by half per liter by 6 ℃, and the transformer cooler is comprehensively cleaned every summer in order to guarantee the safe running of the transformer and prolong the service time of the transformer, so that the transformer cooler has great significance in ensuring good heat dissipation effect.

Disclosure of Invention

The utility model aims to provide an automatic cleaning device with a step-and-scan function for a transformer cooler, which can effectively solve the problem that the conventional cleaning device cannot efficiently clean the transformer cooler and realize comprehensive and efficient cleaning of the transformer cooler.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to an automatic cleaning device of a transformer cooler with a step-by-step scanning function, which comprises two vertically arranged rails, wherein the rails are provided with a travelling mechanism and a cleaning control mechanism, the travelling mechanism comprises a frame, both ends of the frame are provided with permanent magnet tracks corresponding to the rails, the permanent magnet tracks are internally provided with driving wheels in a matching way, both ends of the frame are also provided with step motors, output shafts of the step motors are connected with rotating shafts of the driving wheels, the cleaning control mechanism comprises a ball screw and a guide rod which are arranged on the frame, the ball screw and the guide rod are arranged in parallel, the frame is also provided with a driving motor, an output shaft of the driving motor is connected with the ball screw, a nut matched with the ball screw is arranged on the guide rod, a universal direct current nozzle is arranged on the nut, the driving motor can drive the universal direct current nozzle to transversely move on the frame, a cleaning water tank is arranged at the lower part of the track, the universal direct current spray nozzle is communicated with the cleaning water tank through a rubber hose, a containing box device is also arranged at the bottom position of the track, a rack and a permanent magnet track can be dropped into the containing box device, the containing box device comprises an arc box body, the upper end of the arc box body is away from the track by a distance which can allow the automatic cleaning device to pass in and out, an arc groove is arranged in the arc box body, a plastic plate is arranged in the arc groove in a matched mode, rolling wheels matched with the arc groove are arranged on two sides of the plastic plate, one end of the plastic plate is positioned in the arc box body, the other end of the plastic plate can extend out of the arc groove and is contacted with the track, pressing plates are arranged on two sides of one end in the arc box body, a base is arranged on the arc box body on the lower side of the pressing plates, a spring is arranged between the base and the spring always has a tendency of keeping the pressing plates away from the base, the lower pressing rods are installed at the positions of the two sides of the rack, the pressing plates are provided with pressing grooves matched with the lower pressing rods, after the automatic cleaning device enters the arc-shaped box body, the lower pressing rods push the pressing plates to overcome the elasticity of the springs to move downwards, the upper end of the plastic plate can extend out of the arc-shaped grooves to be in contact with the rails, and the upper end of the arc-shaped box body is sealed. And an electromagnetic chuck is arranged on the frame at the upper side of the permanent magnet track. Two driving wheels are installed in each permanent magnet track, a strip plate is arranged between the two driving wheels, a folded plate is connected onto the strip plate, a pressing wheel is installed at the end of the folded plate, and a vertical sliding groove matched with the pressing wheel is formed in the inner side surface of each track. And the universal direct current spray head is provided with distributed direct-acting electromagnetic valves. The base is provided with a through hole, a vertical rod is installed in the through hole in a matched mode, the bottom of the vertical rod is provided with a limiting block, the top end of the vertical rod is connected with the pressing plate, a spring is sleeved on the periphery of the vertical rod between the pressing plate and the base, and the spring always tends to enable the limiting block to be in contact with the pressing plate.

The utility model has the positive effects that: the automatic cleaning device for the transformer cooler with the step scanning function comprises a vertical rail arranged on the front side of the cooler, a travelling mechanism and a cleaning control mechanism are arranged on the rail, the cleaning control mechanism is driven to move on the rail through the travelling mechanism, water spraying cleaning of cooling fins of the cooler is completed, the transformer cooler is comprehensively cleaned, cleaning operation can be performed at a place far away from the transformer cooler, and safety of operating personnel is guaranteed. In addition, the cleaning device has a novel structure, greatly improves the working efficiency of cleaning the transformer cooler, and has high popularization and application values.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a purge control mechanism;

FIG. 4 is a schematic structural view of the storage box device;

FIG. 5 is a schematic view showing a state in which the automatic washing apparatus enters the housing box apparatus;

FIG. 6 is an enlarged view of the cross-sectional view taken along line A-A of FIG. 2;

FIG. 7 is an enlarged partial view of I of FIG. 4;

fig. 8 is a schematic structural diagram of a permanent magnet crawler in the running gear.

Detailed Description

The utility model relates to an automatic cleaning device of a transformer cooler with a step-by-step scanning function, which comprises two vertically arranged rails 1, wherein the rails 1 are positioned at the front side of the transformer cooler, a travelling mechanism and a cleaning control mechanism are arranged on the rails 1, and the travelling mechanism can drive the cleaning control mechanism to move on the rails 1 so as to finish the cleaning operation of the transformer cooler, as shown in figures 1 and 2.

Wherein running gear is including frame 2, and the permanent magnetism track 3 corresponding with track 1 is all installed at the both ends of frame 2, has inlayed magnet on the permanent magnetism track 3, and magnet attracts mutually with track 1, keeps running gear reliably to adsorb on the track 1 of cooler front side. The driving wheel 4 is installed in the permanent magnet track 3 in a matching mode, the stepping motor 5 is further installed at two ends of the frame 2, an output shaft of the stepping motor 5 is connected with a rotating shaft of the driving wheel 4, and the stepping motor 5 can be started to drive the permanent magnet track 3 to vertically move on the track 1.

As shown in fig. 3, the cleaning control mechanism includes a ball screw 6 and a guide rod 7 mounted on the frame 2, and the ball screw 6 and the guide rod 7 are arranged in parallel and are both transversely disposed on the frame 2. The machine frame 2 is further provided with a driving motor 8, an output shaft of the driving motor 8 is connected with the ball screw 6, the guide rod 7 is provided with a nut 9 matched with the ball screw 6, the nut 9 is provided with a universal direct current spray head 10, the universal direct current spray head 10 has a large washing coverage area, and the driving motor 8 can be started to drive the universal direct current spray head 10 to transversely move on the machine frame 2 so as to realize the omnibearing cleaning of the universal direct current spray head 10 on the transformer cooler. The arrangement of the guide rod 7 can ensure that the nut 9 and the universal direct current nozzle 10 on the nut can transversely move along the ball screw 6 so as to clean the transformer cooler in the width direction. Install in track 1 lower part and wash water tank 11, universal direct current nozzle 10 passes through rubber hose 12 and washs 11 looks UNICOM of water tank, and normal water supply can also be guaranteed to the setting up of rubber hose 12 permission belt cleaning device when carrying out vertical movement, makes universal direct current nozzle 10 obtain the kinetic energy loss of water and is showing the reduction, guarantees to the high-efficient washing of transformer cooler. The arrangement of each part in the cleaning control mechanism can effectively bear the water pressure impact force in the cleaning process.

In order to facilitate the storage of the cleaning device when the cleaning device is not in use, a storage box device is further installed at the bottom position of the track 1, and the rack 2 and the permanent magnet crawler 3 can be lowered into the storage box device. As shown in fig. 4, the storage box device comprises an arc-shaped box body 20, the upper end of the arc-shaped box body 20 is away from the track 1 by a distance which can allow the automatic cleaning device to enter and exit, an arc-shaped groove 21 is formed in the arc-shaped box body 20, a plastic plate 22 is installed in the arc-shaped groove 21 in a matched mode, and rollers 23 matched with the arc-shaped groove 21 are installed on two sides of the plastic plate 22 so that the plastic plate 22 can move in the arc-shaped groove 21. Wherein the one end of plastic slab 22 is located arc box body 20, and the other end of plastic slab 22 can stretch out arc groove 21 and contact with track 1, just namely enters into arc box body 20 back at belt cleaning device, seals the space between arc box body 20 and the track 1, avoids in debris or dust enter into arc box body 20, accomplishes accomodating belt cleaning device.

Be located the both sides of arc box body 20 internal plastic slab 22 one end and all install clamp plate 24, be equipped with base 25 on the arc box body 20 of clamp plate 24 downside, install spring 26 between base 25 and the clamp plate 24, spring 26 has the trend that makes clamp plate 24 keep away from base 25 all the time, namely the state shown in figure 4, and the one end that is located arc box body 20 this moment plastic slab 22 is driven by clamp plate 24, does to be in certain high position at spring 26's elasticity, and the other end of plastic slab 22 is located arc 21 completely, does not have blocking of plastic slab 22 between arc box body 20 and the track 1, and belt cleaning device can follow track 1 and move down to arc box body 20 in. The two sides of the frame 2 are provided with down-pressure rods 27, the pressure plate 24 is provided with pressure grooves 28 matched with the down-pressure rods 27, the down-pressure rods 27 are positioned at the bottommost position of the cleaning device, after the automatic cleaning device enters the arc box body 20, the down-pressure rods 27 can preferentially touch the pressure plate 24, the pressure plate 24 is pushed to overcome the elasticity of the spring 26 to move downwards, the upper end of the plastic plate 22 can extend out of the arc groove 21 to contact with the track 1, and the upper end of the arc box body 20 is sealed.

When the cleaning device is in the working state and does not enter the arc-shaped box body 20, the upper end of the plastic plate 22 completely enters the arc-shaped groove 21 under the action of the elastic force of the spring 26, and a space allowing the cleaning device to enter is reserved between the upper end of the arc-shaped box body 20 and the track 1. When the cleaning device finishes cleaning operation and moves downwards to enter the arc-shaped box body 20, namely, the state of fig. 5 is changed from fig. 4, firstly, the cleaning device completely enters the arc-shaped box body 20, the lower pressing rod 27 contacts the pressing plate 24 in the entering process and pushes the pressing plate 24 to move downwards, namely, the end part of the plastic plate 22 positioned in the arc-shaped box body 20 moves downwards, the other end of the plastic plate 22 extends out in the arc-shaped groove 21, after the cleaning device moves downwards to the proper position, the plastic plate 22 extending out from the arc-shaped groove 21 contacts with the track 1 to seal the upper end of the arc-shaped box body 20, and the cleaning device is accommodated in the arc-shaped box body 20. The plastic panel 22, which is gradually extended, does not interfere with the components of the cleaning device during downward movement of the cleaning device.

Further, in order to ensure the adsorption reliability of the permanent magnet track 3 on the track 1, the electromagnetic chuck 29 is installed on the frame 2 on the upper side of the permanent magnet track 3, wherein the electromagnetic chuck 29 does not contact with the track 1, and when the electromagnetic chuck 29 is electrified, an attractive force is generated between the electromagnetic chuck 29 and the track 1, which is equivalent to a force applied to the permanent magnet track 3 to compress the track 1, so that the permanent magnet track 3 can be adsorbed on the track 1 more reliably.

Further, in order to ensure that the permanent magnet caterpillar band 3 does not deviate when moving on the track 1, the cleaning device is prevented from being separated from the track 1 under the special condition that the power is cut off or the permanent magnet caterpillar band 3 loses magnetic force, as shown in fig. 6, two driving wheels 4 are installed in each permanent magnet caterpillar band 3, a strip plate 30 is arranged between the two driving wheels 4, a folded plate 31 is connected to the strip plate 30, a pressing wheel 32 is installed at the end part of the folded plate 31, and a vertical sliding groove 33 matched with the pressing wheel 32 is formed in the inner side surface of the track 1. The pinch roller 32 can install whole belt cleaning device relatively on track 1, cooperate with the inside vertical chute 33 of track 1, play certain guide effect, can effectively avoid the skew of 3 removal in-process of permanent magnetism track, guarantee that permanent magnetism track 3 removes on track 1, even the device takes place to cut off the power supply or permanent magnetism track 3 loses magnetic force, belt cleaning device also can follow pinch roller 32 and together descend in vertical chute 33, avoid taking place to break away from with track 1.

Further, the universal direct current nozzle 10 is provided with the distributed direct-acting electromagnetic valves 34, the water column is opened quickly and has small pressure loss under the control of the distributed direct-acting electromagnetic valves 34, and the water column has a good cleaning effect in the spraying process.

Further, in order to prevent the pressing plate 24 and the spring 26 from deviating in the process of moving the pressing plate 24 downwards by the pressing rod 27 overcoming the elasticity of the spring 26 and ensure that the pressing rod 27 moving downwards along with the cleaning device can touch the pressing plate 24 all the time, as shown in fig. 7, the base 25 is provided with a through hole 35, an upright rod 36 is installed in the through hole 35 in a matched manner, the bottom of the upright rod 36 is provided with a limiting block 37, the top end of the upright rod 36 is connected with the pressing plate 24, the spring 26 is sleeved on the periphery of the upright rod 36 between the pressing plate 24 and the base 25, and the limiting block 37 and the pressing plate 24 tend to contact all the time by the spring 26. When the lower pressing rod 27 pushes the pressing plate 24 to move downwards together, the vertical rod 36 and the through hole 35 are arranged to play a role in guiding, so that the pressing plate 24 and the spring 26 can be effectively prevented from being deviated in the process that the cleaning device enters the arc-shaped box body 20, the plastic plate 22 is ensured to smoothly extend out of the arc-shaped groove 21 to seal the upper end of the arc-shaped box body 20, and the storage operation of the cleaning device is completed.

The technical solution of the present invention is not limited to the scope of the embodiments of the present invention. The technical contents not described in detail in the present invention are all known techniques.

Claims (5)

1. The utility model provides a transformer cooler self-cleaning device with step-by-step scanning function which characterized in that: the cleaning device comprises two vertically arranged tracks (1), wherein the tracks (1) are provided with a travelling mechanism and a cleaning control mechanism, the travelling mechanism comprises a rack (2), both ends of the rack (2) are provided with permanent magnetic tracks (3) corresponding to the tracks (1), the permanent magnetic tracks (3) are internally provided with driving wheels (4) in a matching way, both ends of the rack (2) are also provided with stepping motors (5), output shafts of the stepping motors (5) are connected with rotating shafts of the driving wheels (4), the cleaning control mechanism comprises a ball screw (6) and a guide rod (7) which are arranged on the rack (2), the ball screw (6) and the guide rod (7) are arranged in parallel, the rack (2) is also provided with a driving motor (8), output shafts of the driving motor (8) are connected with the ball screw (6), and the guide rod (7) is provided with a nut (9) matched with the ball screw (6), the universal direct current nozzle (10) is installed on the nut (9), the driving motor (8) is started to drive the universal direct current nozzle (10) to move transversely on the rack (2), the cleaning water tank (11) is installed on the lower portion of the track (1), the universal direct current nozzle (10) is communicated with the cleaning water tank (11) through a rubber hose (12), a containing box device is further installed at the bottom of the track (1), the rack (2) and the permanent magnet crawler (3) can be lowered into the containing box device, the containing box device comprises an arc-shaped box body (20), the upper end of the arc-shaped box body (20) is far away from the track (1) and can allow the automatic cleaning device to enter and exit, an arc-shaped groove (21) is formed in the arc-shaped box body (20), a plastic plate (22) is installed in the arc-shaped groove (21) in a matched mode, and rolling wheels (23) matched with the arc-shaped groove (21) are installed on two sides of the plastic plate (22), wherein one end of the plastic plate (22) is positioned in the arc box body (20), the other end of the plastic plate (22) can extend out of the arc groove (21) and contact with the track (1), pressing plates (24) are respectively arranged on two sides of one end of the plastic plate (22) positioned in the arc box body (20), a base (25) is arranged on the arc box body (20) at the lower side of the pressing plates (24), a spring (26) is arranged between the base (25) and the pressing plates (24), the spring (26) always has the tendency of leading the pressing plates (24) to be far away from the base (25), lower pressing rods (27) are respectively arranged at two side positions of the rack (2), pressing grooves (28) matched with the lower pressing rods (27) are arranged on the pressing plates (24), after the automatic cleaning device enters the arc box body (20), the lower pressing rods (27) push the pressing plates (24) to overcome the elasticity of the spring (26) and move downwards, so that the upper ends of the plastic plate (22) extend out of the arc groove (21) and contact with the track (1), and the upper end of the arc box body (20) is closed.

2. The automatic cleaning device for the transformer cooler with the step-and-scan function according to claim 1, wherein: and an electromagnetic chuck (29) is arranged on the frame (2) at the upper side of the permanent magnet crawler (3).

3. The automatic cleaning device for the transformer cooler with the step-and-scan function according to claim 1, wherein: all install two drive wheels (4) in every permanent magnetism track (3), be equipped with rectangular board (30) between two drive wheels (4), be connected with folded plate (31) on rectangular board (30), pinch roller (32) are installed to the tip of folded plate (31), offer on the medial surface of track (1) with pinch roller (32) matched with vertical spout (33).

4. The automatic cleaning device for the transformer cooler with the step-and-scan function according to claim 1, wherein: the universal direct current spray head (10) is provided with distributed direct-acting electromagnetic valves (34).

5. The automatic cleaning device for the transformer cooler with the step-and-scan function according to claim 1, wherein: the base (25) is provided with a through hole (35), a vertical rod (36) is installed in the through hole (35) in a matched mode, a limiting block (37) is installed at the bottom of the vertical rod (36), the top end of the vertical rod (36) is connected with a pressing plate (24), a spring (26) is sleeved on the periphery of the vertical rod (36) between the pressing plate (24) and the base (25), and the spring (26) always tends to enable the limiting block (37) to be in contact with the pressing plate (24).

Images