CN114871207A

CN114871207A - Special tool for cleaning 660kV wall bushing

Info

Publication number: CN114871207A
Application number: CN202210373845.XA
Authority: CN
Inventors: 曲文韬; 赵航; 袁杰; 冯新岩; 张楷; 于鹏; 冯迎春; 张鹏
Original assignee: Super High Voltage Co Of State Grid Shandong Electric Power Co; State Grid Corp of China SGCC
Current assignee: Super High Voltage Co Of State Grid Shandong Electric Power Co; State Grid Corp of China SGCC
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-08-09
Anticipated expiration: 2042-04-11
Also published as: CN114871207B

Abstract

The utility model provides a 660kV wall bushing deashing specialized tool, including first arc and the second arc of mutual articulated, first arc and second arc can rotate and open and shut, and connect and encircle in wall bushing periphery, accomplish the rotation of arc on the sleeve pipe under the drive effect of push rod, and realize the clearance to the dust through inside first brush hair of arc and foam-rubber cushion, replace traditional artifical manual deashing of cleaning, cleaning efficiency has not only been improved, labor intensity has been reduced, encircle and clean in wall bushing periphery and also reduced the possibility that the equipment was bumped to a certain extent, and because the setting of push rod and loop bar, the staff can maintain certain safe distance with the wall bushing when carrying out the deashing, and then effectively reduced the danger of operation in-process.

Description

Special tool for cleaning 660kV wall bushing

Technical Field

The invention relates to the technical field of cleaning devices for high-voltage direct-current equipment of a converter station, in particular to a special tool for cleaning dust of a 660kV wall bushing.

Background

The high-voltage direct-current wall bushing is used as a connecting device of a direct-current field and a valve hall of a converter station and is positioned at a throat position in the whole direct-current transmission project, one end of the wall bushing is positioned inside the valve hall, the other end of the wall bushing is positioned outside, the wall bushing positioned outside adsorbs dust for a long time due to the direct-current electrostatic effect, the insulating property can be reduced, serious consequences of flashover can be caused under rain, snow or fog weather, in order to ensure the safe operation of the wall bushing, the wall bushing needs to be cleaned, the existing wall bushing is cleaned manually, the high-altitude operation vehicle taken by an operator is very close to the wall bushing, the device is very easily touched by mistake, the manual labor intensity is high, the dust cleaning speed is slow, and the high-voltage direct-current wall bushing has great safety risks.

Disclosure of Invention

The invention aims to provide a special tool for cleaning ash of a 660kV wall bushing, which is connected with a first arc-shaped plate and a second arc-shaped plate and encircles the periphery of the wall bushing, the rotation of the arc-shaped plates on the bushing is completed under the driving action of a push rod, the cleaning of dust is realized through bristles in the arc-shaped plates, the traditional manual cleaning and ash removal are replaced, and the problems in the prior art are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a special tool for cleaning dust of a 660kV wall bushing, which comprises a first arc-shaped plate and a second arc-shaped plate which are hinged with each other, wherein connecting rods are arranged on two sides of one end, close to a hinged shaft, of the second arc-shaped plate, a rotating push plate matched with the periphery of the wall bushing is hinged to each connecting rod, a locking rod is arranged at one end, far away from the hinged shaft, of the second arc-shaped plate, a locking hole is formed in the locking rod, an inclined plane is further arranged at the end part of the locking rod, a locking groove matched with the locking rod is formed in the first arc-shaped plate, a positioning column matched with the locking hole is arranged in the locking groove, a sleeve is arranged on the outer side of the first arc-shaped plate and communicated with the locking groove, a positioning column is arranged in the sleeve in a matched manner, a convex edge is arranged on the positioning column, a spring is sleeved on the periphery of the positioning column between the convex edge and the sleeve, and the spring always pushes the positioning column to enter the locking groove, the utility model discloses a wall bushing, including the reference column, the reference column stretches out telescopic one end and installs the unblock rope, the pulling unblock rope enables the reference column and the locking hole phase separation, when the reference column stretches into in the locking hole, first arc and second arc can connect and encircle in wall bushing periphery, equal interval arrangement has first brush hair and foam-rubber cushion along the width direction on the medial surface of first arc and second arc, install the loop bar on the lateral surface of first arc, the push rod is installed to the loop bar fit-in, wherein seted up the sliding tray on the inner wall of loop bar, the tip of push rod is installed and is slided the sliding block with sliding tray matched with, keep away from and seted up on the loop bar of first arc one end and dodge the groove, when the sliding block moved to the sliding tray of dodging the trench department, the push rod can be rotatory relative to the loop bar. Install electronic cleaning device on the first arc, electronic cleaning device installs first gear including driving motor on driving motor's the output shaft, and first arc internally mounted has the pivot of arranging along width direction, is equipped with the second gear with first gear engaged with in the pivot, all installs the commentaries on classics roller in the pivot of second gear both sides, all installs the second brush hair on each commentaries on classics roller. The spraying cleaning device is installed on the first arc-shaped plate and comprises an atomizing nozzle arranged on the inner side of the first arc-shaped plate, the atomizing nozzle is communicated with the water storage tank through a connecting hose, a diaphragm pump is installed in the water storage tank, and a water outlet of the diaphragm pump is communicated with the connecting hose. The two sides of one end, away from the hinged shaft, of the second arc-shaped plate are respectively provided with a locking rod, two positioning columns are arranged on the first arc-shaped plate corresponding to the positions of the two locking rods, one ends of the two positioning columns, extending out of the sleeve, are connected with a linkage rod, and an unlocking rope is arranged in the middle of the linkage rod. The loop bar is provided with a rope guide ring, the unlocking rope is positioned in the rope guide ring, and one end of the unlocking rope, which penetrates out of the rope guide ring, is also provided with a limiting block.

The invention has the positive effects that: the invention relates to a 660kV special tool for cleaning ash of a wall bushing, which comprises a first arc plate and a second arc plate which are hinged with each other, wherein the first arc plate and the second arc plate can be opened and closed in a rotating mode and are connected to and encircle the periphery of the wall bushing, the rotation of the arc plates on the bushing is completed under the driving action of a push rod, the cleaning of dust is realized through first bristles and a sponge pad inside the arc plates, the traditional manual cleaning and ash removal mode is replaced, the cleaning efficiency is improved, the labor intensity is reduced, the possibility of mistaken equipment collision is reduced to a certain extent when cleaning is performed by encircling the periphery of the wall bushing, and due to the arrangement of the push rod and a sleeve rod, a certain safety distance can be maintained between a worker and the wall bushing when ash removal is performed, so that the danger in the operation process is effectively reduced.

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 left side view of FIG. 2;

FIG. 4 is a schematic view of the first and second arcuate plates encircling the wall bushing;

FIG. 5 is an enlarged partial view of I of FIG. 2;

FIG. 6 is an enlarged partial view of II of FIG. 4;

FIG. 7 is an enlarged partial view of III of FIG. 2;

FIG. 8 is a schematic view of the present invention with an electric cleaning device;

FIG. 9 is a schematic view of the spray cleaning device of the present invention;

FIG. 10 is a schematic view showing a state where the push rod pushes the loop bar to rotate upward;

fig. 11 is a schematic view of the state when the push rod pushes the loop bar to rotate downwards.

Detailed Description

The invention relates to a special tool for cleaning dust of a 660kV wall bushing, which comprises a first arc-shaped plate 1 and a second arc-shaped plate 2 which are hinged with each other, wherein the first arc-shaped plate 1 and the second arc-shaped plate 2 can be opened and closed in a rotating mode, connecting rods 3 are arranged on two sides of one end, close to a hinged shaft, of the second arc-shaped plate 2, rotating push plates 4 matched with the periphery of the wall bushing are hinged to the connecting rods 3, and the rotating push plates 4 can rotate to two side positions of the first arc-shaped plate 1.

As shown in fig. 5, locking lever 5 is installed to the one end that the articulated shaft was kept away from to second arc 2, has seted up locking hole 6 on the locking lever 5, still is equipped with inclined plane 7 at the tip of locking lever 5, as shown in fig. 6, seted up in the first arc 1 and locked 5 matched with locking groove 8, install in the locking groove 8 can with locking hole 6 matched with reference column 9, when reference column 9 stretched into locking hole 6, locking lever 5 relative positioning was in locking groove 8, namely first arc 1 and second arc 2 are the surround connection state shown in fig. 4, the suit is in the periphery of wall bushing.

As shown in fig. 6, install sleeve 10 in first arc 1 outside, sleeve 10 and locking groove 8 UNICOM, and reference column 9 is installed to the fit in sleeve 10, is equipped with protruding edge 11 on the reference column 9, and the reference column 9 periphery cover between protruding edge 11 and the sleeve 10 is equipped with spring 12, and spring 12 promotes the trend that reference column 9 entered into locking groove 8 all the time, and when locking lever 5 was located locking groove 8, under spring 12's effort, reference column 9 can enter into locking hole 6 and fix it.

An unlocking rope 13 is installed at one end, extending out of the sleeve 10, of the positioning column 9, the unlocking rope 13 can be pulled to enable the positioning column 9 to be separated from the locking hole 6, the locking rod 5 can be withdrawn from the locking groove 8 under the action of gravity, and the first arc-shaped plate 1 and the second arc-shaped plate 2 are in a state of being opened in a rotating mode.

As shown in fig. 3, first bristles 14 and a foam-rubber cushion 15 are arranged on the inner side surfaces of the first arc-shaped plate 1 and the second arc-shaped plate 2 at intervals along the width direction, and when the positioning column 9 extends into the locking hole 6, the first arc-shaped plate 1 and the second arc-shaped plate 2 can be connected and encircled on the periphery of the wall bushing, and the wall bushing can be cleaned through the first bristles 14 and the foam-rubber cushion 15.

A loop bar 16 is installed on the outer side surface of the first arc-shaped plate 1, a push rod 17 is installed in the loop bar 16 in a matching manner, as shown in fig. 7, a sliding groove 18 is opened on the inner wall of the loop bar 16, a sliding block 19 matched with the sliding groove 18 is installed at the end part of the push rod 17, and the push rod 17 can move in and out of the loop bar 16 along the length direction of the sliding groove 18. An avoiding groove 20 is formed in the loop bar 16 far away from one end of the first arc-shaped plate 1, and when the sliding block 19 moves into the sliding groove 18 at the position of the avoiding groove 20, the push rod 17 can rotate relative to the loop bar 16. When the push rod 17 stretches into the loop bar 16, the push rod 17 can drive the loop bar 16 and the first arc-shaped plate 1 and the second arc-shaped plate 2 to move together, when the push rod 17 moves to the position of the avoiding groove 20, the push rod 17 can rotate relative to the loop bar 16, an operator can hold the push rod 17 to drive the loop bar 16 and the arc-shaped plates to rotate on the wall bushing, and the periphery of the wall bushing is cleaned.

When the special tool for cleaning the ash is used for cleaning the wall bushing, a cleaner takes the overhead working truck to reach the position which is flush with the wall bushing, and a certain safety distance is kept, the special ash removal tool is close to the position of the wall bushing by holding the push rod 17 by hand, at the moment, the push rod 17 is positioned in the loop bar 16, the push rod 17 can drive the loop bar 16 to synchronously close to the wall bushing, the first arc-shaped plate 1 and the second arc-shaped plate 2 are in an open state shown in figure 2, the push plate 4 is rotated under the action of gravity and is positioned between the first arc-shaped plate 1 and the second arc-shaped plate 2, when a cleaner holds the push rod 17 by hand to enable the ash removing tool to approach the wall bushing, the rotating push plate 4 is firstly contacted with the wall bushing, then the second arc-shaped plate 2 rotates clockwise relative to the hinge shaft in the direction shown in figure 2, and the locking rod 5 rotates to enter the locking groove 8, so that the encircling connection between the first arc-shaped plate 1 and the second arc-shaped plate 2 is realized.

The entry of the locking bar 5 into the locking groove 8 is as follows: under spring 12's elasticity effect, reference column 9 is located locking groove 8, locking lever 5 rotates when entering into locking groove 8, it is inclined plane 7 and reference column 9 contact earlier, inclined plane 7 stretches into the in-process that locks in groove 8 gradually can promote reference column 9 and overcome spring 12's elasticity and withdraw from locking groove 8 gradually, locking hole 6 on locking lever 5 removes to reference column 9 position department, reference column 9 stretches out and enters into locking hole 6 under spring 12 elasticity effect, fix a position locking lever 5 in locking groove 8, realize the connection of embracing between first arc 1 and the second arc 2, the suit is in wall bushing's periphery.

After the first arc-shaped plate 1 and the second arc-shaped plate 2 are connected to the wall bushing in a sleeved mode, the push rod 17 is pulled out from the inside of the sleeve rod 16 in the direction away from the wall bushing, the end portion of the push rod 17 moves to the position of the avoidance groove 20, then when the push rod 17 is rotated, a cleaner holds the push rod 17 to push the sleeve rod 16 to move upwards and downwards repeatedly, as shown in fig. 10 and 11, the first bristles 14 and the sponge pads 15 in the first arc-shaped plate 1 and the second arc-shaped plate 2 can rotate on the wall bushing repeatedly, and accordingly a section of dust on the wall bushing can be removed. After the cleaning of the section of position is finished, the hand-held push rod 17 extends into the loop bar 16, then the unlocking rope 13 is pulled to separate the positioning column 9 from the locking hole 6, the second arc-shaped plate 2 rotates to be separated from the first arc-shaped plate 1 under the action of gravity, the opening state shown in figure 2 is formed, the integral ash removal special tool is separated from the wall bushing, finally, the position of the high-altitude operation vehicle is adjusted, a cleaner moves the first arc-shaped plate 1 and the second arc-shaped plate 2 in the opening state to the uncleaned part on the wall bushing, and the steps are repeated, so that the wall bushing can be cleaned.

After the device is used, the operation can be unfolded at a distance of 1.5m from the wall bushing, the high-altitude vehicle body and the wall bushing are kept at a sufficient safe distance, the operation safety is ensured, the economic loss is avoided, the operation efficiency can be greatly improved compared with the traditional manual wiping, and the power failure time is shortened.

Because of the installation position of the wall bushing, most of dust on the wall bushing is accumulated above the bushing, and in order to effectively clean the dust above the bushing, an electric cleaning device is installed on the first arc-shaped plate 1, as shown in fig. 8, the electric cleaning device comprises a driving motor 21, a first gear 22 is installed on an output shaft of the driving motor 21, a rotating shaft arranged along the width direction is installed inside the first arc-shaped plate 1, a second gear 23 meshed with the first gear 22 is arranged on the rotating shaft, rotating rollers 24 are installed on the rotating shafts on two sides of the second gear 23, second bristles 25 are installed on each rotating roller 24, wherein the driving motor 21 is connected with an external power supply through a wire, and when the driving motor 21 is started, the second bristles 25 on the rotating rollers 24 can rotate to clean the dust above the bushing.

In order to further clean dust on the wall bushing, a spraying cleaning device is installed on the first arc-shaped plate 1, as shown in fig. 9, the spraying cleaning device includes an atomizing nozzle 26 arranged on the inner side of the first arc-shaped plate 1, the atomizing nozzle 26 is communicated with a water storage tank 28 through a connecting hose 27, a diaphragm pump 29 is installed in the water storage tank 28, a water outlet of the diaphragm pump 29 is communicated with the connecting hose 27, wherein the connecting hose 27 can be arranged on the loop bar 16, when the diaphragm pump 29 is started, the atomizing nozzle 26 can spray cleaning water to the periphery of the wall bushing, so as to further clean the periphery of the wall bushing.

Further, in order to realize that the second arc plate 2 can be stably locked with the first arc plate 1 in the rotating process, the two sides of one end of the hinge shaft of the second arc plate 2 are respectively provided with a locking rod 5, two positioning columns 9 are arranged on the first arc plate 1 corresponding to the positions of the two locking rods 5, one ends of the two positioning columns 9 extending out of the sleeve 10 are connected with a linkage rod 30, an unlocking rope 13 is arranged at the middle position of the linkage rod 30, two groups of locking devices arranged between the first arc plate 1 and the second arc plate 2 can greatly improve the connection strength between the two arc plates, when the unlocking is needed, the two positioning columns 9 can be ensured to simultaneously act by the driving of the linkage rod 30 through the pulling unlocking rope 13, the locking between the second arc plate 2 and the first arc plate 1 is released, and the second arc plate 2 and the first arc plate 1 are in an opening state.

Further, in order to facilitate a cleaner to pull the unlocking rope 13 to unlock the locking state between the second arc-shaped plate 2 and the first arc-shaped plate 1, the unlocking rope 13 is installed on a special tool for ash removal, the loop bar 16 is provided with the rope guide ring 31, the unlocking rope 13 is located in the rope guide ring 31, one end of the unlocking rope 13 penetrating out of the rope guide ring 31 is further provided with a limiting block 32, when unlocking is needed, the limiting block 32 is pulled to drive the unlocking rope 13 to pull the positioning column 9 out of the locking hole 6, and locking between the second arc-shaped plate 2 and the first arc-shaped plate 1 is unlocked.

The control electrical appliances can be connected to a power supply through wires by the prior electrical technology so as to realize normal functions.

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

1. The utility model provides a 660kV wall bushing deashing specialized tool which characterized in that: the wall-penetrating sleeve comprises a first arc-shaped plate (1) and a second arc-shaped plate (2) which are hinged with each other, connecting rods (3) are arranged on two sides of one end, close to a hinged shaft, of the second arc-shaped plate (2), rotating push plates (4) matched with the periphery of a wall-penetrating sleeve are hinged to the connecting rods (3), a locking rod (5) is arranged at one end, far away from the hinged shaft, of the second arc-shaped plate (2), a locking hole (6) is formed in the locking rod (5), an inclined plane (7) is further arranged at the end part of the locking rod (5), a locking groove (8) matched with the locking rod (5) is formed in the first arc-shaped plate (1), a positioning column (9) matched with the locking hole (6) is arranged in the locking groove (8), a sleeve (10) is arranged on the outer side of the first arc-shaped plate (1), the sleeve (10) is communicated with the locking groove (8), and the positioning column (9) is arranged in the sleeve (10) in a matching manner, a convex edge (11) is arranged on the positioning column (9), a spring (12) is sleeved on the periphery of the positioning column (9) between the convex edge (11) and the sleeve (10), the spring (12) always pushes the positioning column (9) to enter the locking groove (8), an unlocking rope (13) is installed at one end, extending out of the sleeve (10), of the positioning column (9), the unlocking rope (13) can be pulled to separate the positioning column (9) from the locking hole (6), when the positioning column (9) extends into the locking hole (6), the first arc-shaped plate (1) and the second arc-shaped plate (2) can be connected and encircled on the periphery of the wall bushing, first bristles (14) and sponge pads (15) are arranged on the inner side faces of the first arc-shaped plate (1) and the second arc-shaped plate (2) at intervals along the width direction, a sleeve rod (16) is installed on the outer side face of the first arc-shaped plate (1), and a push rod (17) is installed in a matched mode in the sleeve rod (16), wherein, the inner wall of the loop bar (16) is provided with a sliding groove (18), the end part of the push rod (17) is provided with a sliding block (19) matched with the sliding groove (18), the loop bar (16) far away from one end of the first arc-shaped plate (1) is provided with an avoiding groove (20), and when the sliding block (19) moves to the sliding groove (18) at the position of the avoiding groove (20), the push rod (17) can rotate relative to the loop bar (16).

2. The special tool for cleaning ash of 660kV wall bushing according to claim 1, characterized in that: install electronic cleaning device on first arc (1), electronic cleaning device is including driving motor (21), installs first gear (22) on the output shaft of driving motor (21), and first arc (1) internally mounted has the pivot of arranging along width direction, is equipped with in the pivot with second gear (23) of first gear (22) engaged with, all installs in the pivot of second gear (23) both sides and changes roller (24), all installs second brush hair (25) on each commentaries on classics roller (24).

3. The special tool for cleaning ash of 660kV wall bushing according to claim 1, characterized in that: install on first arc (1) and spray cleaning device, spray cleaning device including setting up atomizing nozzle (26) at first arc (1) inboard, atomizing nozzle (26) are through coupling hose (27) and storage water tank (28) looks UNICOM, install diaphragm pump (29) in storage water tank (28), the delivery port and coupling hose (27) looks UNICOM of diaphragm pump (29).

4. The special tool for cleaning ash of 660kV wall bushing according to claim 1, characterized in that: locking rods (5) are installed on two sides, away from one end of the hinge shaft, of the second arc-shaped plate (2), two positioning columns (9) are installed on the first arc-shaped plate (1) corresponding to the positions of the two locking rods (5), one ends, extending out of the sleeve (10), of the two positioning columns (9) are connected with linkage rods (30), and unlocking ropes (13) are arranged in the middle of the linkage rods (30).

5. The special tool for cleaning ash of 660kV wall bushing according to claim 1, characterized in that: a rope guide ring (31) is installed on the loop bar (16), the unlocking rope (13) is located in the rope guide ring (31), and a limiting block (32) is further installed at one end, penetrating out of the rope guide ring (31), of the unlocking rope (13).