CN214254059U - Electric silica gel replacement device for transformer respirator - Google Patents

Abstract

The utility model provides an electronic change device of transformer respirator silica gel, includes the travelling car, installs silica gel on the travelling car and blows and inhale change device and respirator transfer device. The utility model has the advantages of: a transformer respirator silica gel electrical replacement device, blow and inhale change device and respirator transfer device through the silica gel on the travelling car and realize the change operation to silica gel in the transformer respirator, replace traditional artifical the change, solved transformer respirator silica gel and changed the problem of inefficiency, reduced operating personnel's intensity of labour, improved the efficiency of transformer routine maintenance and maintenance work. Furthermore the utility model discloses compact structure still has, the novel function, and the advantage of the operation of being convenient for has effectively shortened the change time of silica gel in the respirator, has simplified the change flow, and the body has improved the work efficiency of transformer fortune dimension integration.

Description

Electric silica gel replacement device for transformer respirator

Technical Field

The utility model belongs to the technical field of the relevant technique of transformer fortune dimension integration and specifically relates to a transformer respirator silica gel electrical replacement device.

Background

With the continuous development of ultra-high voltage power grids in recent years, various capital construction, reconstruction and extension projects are continuously put into operation, the number of transformers administered by companies is increased year by year, and a transformer breather is an important part for ensuring the safe and stable operation of the transformer, and is used for adsorbing moisture in air entering an oil conservator tape and a diaphragm, and clearly and drying sundries and moisture in the air entering an oil storage cabinet of the transformer due to the change of the oil temperature of the transformer so as to prevent the transformer from being affected with damp and ensure the insulating strength of transformer oil. If silica gel wet area exceeds two-thirds, then need carry out the manual change, present respirator silica gel is changed and is needed four-seater to go on, and is consuming time longer, and work efficiency is low, can influence transformer safety and stability operation even, consequently need look for a more swift, convenient method and realize transformer respirator silica gel's quick replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer respirator silica gel electrical replacement device blows through the silica gel on the travelling car and inhales change device and respirator transfer device and realize replacing the operation to silica gel in the transformer respirator, replaces traditional manual change, reduces operating personnel's intensity of labour, improves the daily fortune dimension efficiency of transformer.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a transformer respirator silica gel electric replacement device, which comprises a movable trolley, wherein the movable trolley is provided with a silica gel blowing and sucking replacement device and a respirator transfer device, the silica gel blowing and sucking replacement device comprises an air pump, the air pump is communicated with a Venturi tube through a first pipeline, a second pipeline and a third pipeline are communicated on the first pipeline, a first control valve is arranged on the first pipeline between the second pipeline and the third pipeline, a second control valve is arranged on the second pipeline, a third control valve is arranged on the third pipeline, the second pipeline and the third pipeline are both communicated with a silica gel receiving cylinder, a filter screen is arranged at the end part of the third pipeline in the silica gel receiving cylinder, the Venturi tube is communicated with the silica gel replacing cylinder through a fourth pipeline, a fourth control valve is arranged on the fourth pipeline, the Venturi tube is also communicated with a blowing and sucking hose, and the end part of the blowing and sucking hose is connected with a disc, the bottom of the disc is provided with a blowing and sucking hard tube and a stirring shifting plate, wherein the blowing and sucking hard tube is communicated with a blowing and sucking hose, the bottom of the blowing and sucking hard tube is provided with a horn mouth, the respirator transfer device comprises a vertical sleeve fixed on a movable trolley, a lead screw is arranged in the vertical sleeve, a driving motor is arranged at the bottom of the lead screw, a nut is also arranged on the lead screw in a matching manner, a connecting rod is arranged on the nut, a vertical groove matched with the connecting rod is arranged on the vertical sleeve, a telescopic and rotatable swing rod is arranged in the connecting rod, a placing ring matched with a respirator is arranged at the end part of the swing rod, a respirator rotation driving device is also arranged on the placing ring, the respirator rotation driving device consists of a plurality of clamping mechanisms, each clamping mechanism comprises a rotating rod hinged on the placing ring, the bottom of the rotating rod is positioned in the placing ring, and a rotating wheel is arranged at the upper part of the rotating rod, coaxial arrangement has servo motor on one of them swiveling wheel, and the bottom of every dwang all rotates under the action of gravity and gathers together, and the upper portion of dwang all rotates separately, and the swiveling wheel can not press from both sides tight respirator, and the oil cup when the respirator bottom enters into and places the dwang rotation when circling, makes the swiveling wheel press from both sides tight respirator, it can drive the respirator and remove to the disc bottom to place the circle. The stirring shifting plate comprises a hard connecting piece fixed at the bottom of the disc, the length of the hard connecting piece is equal to that of the blowing and sucking hard pipe, and an elastic shifting plate is sleeved outside the hard connecting piece. The swing rod comprises a swing rod sleeve and a swing rod body, the swing rod sleeve is hinged to the connecting rod, a square sliding block is installed on the swing rod body, a square groove matched with the square sliding block is formed in the swing rod sleeve, a detachable buckle cover is installed at the end portion, close to the side where the placing ring is located, of the swing rod sleeve, and the buckle cover can limit movement of the square sliding block. And a bull eye bearing is installed at the bottom of the rotating rod. The universal wheels are installed at the bottom of the moving trolley, and a trolley handle is arranged at one side of the moving trolley.

The utility model has the advantages of: a transformer respirator silica gel electrical replacement device, blow and inhale change device and respirator transfer device through the silica gel on the travelling car and realize the change operation to silica gel in the transformer respirator, replace traditional artifical the change, solved transformer respirator silica gel and changed the problem of inefficiency, reduced operating personnel's intensity of labour, improved the efficiency of transformer routine maintenance and maintenance work. Furthermore the utility model discloses compact structure still has, the novel function, and the advantage of the operation of being convenient for has effectively shortened the change time of silica gel in the respirator, has simplified the change flow, and the body has improved the work efficiency of transformer fortune dimension integration.

Drawings

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

FIG. 2 is a schematic structural diagram of a silica gel blowing and sucking replacing device;

FIG. 3 is a schematic structural view of a respirator transfer apparatus;

FIG. 4 is an enlarged partial view of I of FIG. 3;

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

FIG. 6 is an enlarged view of the view from the B direction in FIG. 5;

fig. 7 is an enlarged view of a sectional view taken along line a-a in fig. 3.

Detailed Description

A transformer respirator silica gel electrical replacement device, as shown in fig. 1, including travelling car 1, install silica gel blow-suction change device and respirator transfer device on the travelling car 1, the respirator transfer device can shift the respirator that dismantles on the transformer to silica gel change position department, blow-suction change device through silica gel accomplishes the clearance of old silica gel and the packing of new silica gel in the respirator, wherein travelling car 1 can adjust according to the position of transformer and its upper respirator to guarantee the normal clear of change work.

As shown in fig. 2, the silica gel blowing and sucking replacing device includes an air pump 2, the air pump 2 can blow or suck air as required, the air pump 2 is communicated with a venturi tube 4 through a first pipeline 3, the first pipeline 3 is also communicated with a second pipeline 5 and a third pipeline 6, the first pipeline 3 between the second pipeline 5 and the third pipeline 6 is provided with a first control valve 7, the second pipeline 5 is provided with a second control valve 8, the third pipeline 6 is provided with a third control valve 9, the control valves can control the opening and closing of the respective installation pipelines, the second pipeline 5 and the third pipeline 6 are both communicated with a silica gel receiving cylinder 10, the silica gel receiving cylinder 10 is used for containing the used silica gel after water suction in the respirator, the second pipeline 5 and the third pipeline 6 are both communicated with the silica gel receiving cylinder 10, the end of the third pipeline 6 in the silica gel receiving cylinder 10 is also provided with a filter screen 11, to prevent old silica gel from entering the air pump 2 through the third pipe 6. Venturi 4 is through fourth pipeline 12 and silica gel replacement section of thick bamboo 13 UNICOM, installs fourth control valve 14 on the fourth pipeline 12, and the splendid attire needs the new silica gel of changing in the silica gel replacement section of thick bamboo 13. Venturi 4 still UNICOM has the pressure and suction hose 15, and the end connection of pressure and suction hose 15 has disc 16, and disc 16 relatively fixed is on travelling car 1, is located between silica gel pressure and suction change device and the respirator transfer device, the bottom of disc 16 is equipped with pressure and suction hard tube 17 and stirring shifting plate 18, and wherein pressure and suction hard tube 17 and pressure and suction hose 15 UNICOM mutually, and pressure and suction hard tube 17's bottom is equipped with horn mouth 19, and pressure and suction hard tube 17 can stretch into and absorb the change to silica gel in the respirator, and the setting of horn mouth 19 is more convenient for silica gel business turn over pressure and suction hard tube 17, and stirring shifting plate 18 then can further dial the silica gel in the respirator to horn mouth 19 position department, makes things convenient for pressure and suction hard tube 17 to suck silica gel. Wherein the disc 16 is matched with the upper end of the respirator, and the disassembled respirator is transferred to the lower part of the disc 16 to carry out silica gel replacement operation.

As shown in fig. 3, the respirator transfer device comprises a vertical sleeve 20 fixed on the moving trolley 1, a lead screw 21 is installed in the vertical sleeve 20, a driving motor 22 is installed at the bottom of the lead screw 21, a nut 23 is further installed on the lead screw 21 in a matching manner, a connecting rod 24 is installed on the nut 23, a vertical groove 25 matched with the connecting rod 24 is formed in the vertical sleeve 20, and the driving motor 22 can drive the connecting rod 24 to vertically lift along the direction of the vertical groove 25 when being started. The connecting rod 24 is internally provided with a swing rod 26 capable of rotating in a telescopic mode, the end portion of the swing rod 26 is provided with a placing ring 27 matched with the respirator, the respirator can be received by the placing ring 27 after being detached, and then the respirator is transferred to the bottom of the disc 16 to carry out silica gel replacement operation.

In order to firmly place the respirator and more effectively realize the sufficient suction of the inner silica gel, the placing ring 27 is also provided with a respirator rotation driving device, as shown in fig. 4, the respirator rotation driving device is composed of a plurality of clamping mechanisms, each clamping mechanism comprises a rotating rod 29 hinged on the placing ring 27, the bottom of the rotating rod 29 is positioned in the placing ring 27, the upper part of the rotating rod 29 is provided with a rotating wheel 30, a servo motor 32 is coaxially arranged on one rotating wheel 30, the bottom of each rotating rod 29 is gathered together in a rotating way under the action of gravity, the upper parts of the rotating rods 29 are separated in a rotating way, the rotating wheel 30 cannot clamp the respirator, when the oil cup at the bottom of the respirator enters the placing ring 27, the rotating rod 29 can be pushed to rotate, so that the rotating wheel 30 clamps the respirator and drives the whole respirator to rotate under the driving of the servo motor 32.

When the electric silica gel replacement device for the transformer respirator is used for replacing silica gel, firstly, the respirator is disassembled and is received by the placing ring 27, then the swing rod 26 is rotated to transfer the respirator to the bottom of the disc 16, then, the suction operation of old silica gel is carried out, the second control valve 8 and the third control valve 9 are opened, the first control valve 7 and the fourth control valve 14 are closed, the air pump 2 is adjusted to be in an air suction state, in the process, the servo motor 32 and the driving motor 22 are started and drive the respirator to rotate and rise to be close to the position of the disc 16, the stirring shifting plate 18 can loosen the silica gel with damp water in the respirator and send the loosened to the position of the blowing and sucking hard tube 17 to ensure that the old silica gel in the respirator can be completely sucked, under the suction effect of the air pump 2, the old silica gel can sequentially enter the silica gel receiving cylinder 10 through the bell mouth 19, the blowing and sucking hard tube 17, the blowing and sucking hose 15, the first pipeline 3 and the second pipeline 5, and due to the existence of the filter screen 11, the old silica gel is left in the silica gel receiving cylinder 10. After the suction of old silica gel in the respirator is finished, the filling operation of new silica gel is carried out, the second control valve 8 and the third control valve 9 are closed, the first control valve 7 and the fourth control valve 14 are opened, the air pump 2 is adjusted to be in an air blowing state, in the process, the servo motor 32 and the driving motor 22 are started and drive the respirator to rotate and descend to be far away from the position of the disc 16, a necessary space is reserved for the newly filled silica gel, the stirring and stirring plate 18 can uniformly scatter the fed new silica gel in the respirator in the rotating process to ensure the uniformity of the new silica gel after the replacement, the air blown out by the air pump 2 sequentially passes through the first pipeline 3, the venturi tube 4, the blow-suction hose 15 and the blow-suction hard tube 17 to enter the respirator, under the action of the venturi tube 4, the new silica gel in the silica gel replacement tube 13 can be blown into the respirator, after the filling is finished, the respirator is transferred to the position where the transformer is installed, the breather is mounted on the transformer, and then the replacement operation of the silica gel in the breather is completed.

Further, in order to ensure that the stirring and poking plate 18 can not only stir the silica gel in the respirator uniformly, but also avoid the hard contact between the stirring and poking plate 18 and the bottom of the respirator in the process of moving up the respirator, as shown in fig. 5 and 6, the stirring and poking plate 18 comprises a hard connecting piece 33 fixed at the bottom of the disc 16, the length of the hard connecting piece 33 is equal to that of the hard blowing and sucking pipe 17, an elastic poking plate 34 is sleeved outside the hard connecting piece 33, and the elastic poking plate 34 can be elastically deformed when contacting the bottom of the respirator, so that the hard contact between the whole stirring and poking plate 18 and the respirator is avoided. Wherein still can be equipped with on the horn mouth 19 towards stirring and dial the elbow of board 18, at the rotatory in-process that rises of respirator, stirring is dialled board 18 and can be scraped the stirring with the inside silica gel that absorbs water and condense of respirator earlier, then sends the silica gel that relatively scatters to horn mouth 19 position department, takes out the operation with the inside silica gel of treating of respirator by suction, can ensure the old silica gel suction in the respirator clean.

Further, as shown in fig. 7, the swing link 26 includes a swing link sleeve 28 and a swing link body 31, the swing link sleeve 28 is hinged to the connecting rod 24, the swing link sleeve 28 and the swing link body 31 can synchronously rotate relative to the connecting rod 24, thereby transferring the disassembled respirator to the silica gel replacement position, in order to adapt to different distances between the mobile trolley 1 and the respirator and conveniently adjust the length of the swing rod body 31 extending out of the swing rod sleeve 28, the swing rod body 31 is provided with a square sliding block 35, the swing rod sleeve 28 is internally provided with a square groove 36 matched with the square sliding block 35, the end part of the swing rod sleeve 28 close to one side of the placing ring 27 is provided with a detachable buckle cover 37, the buckle cover 37 can limit the movement of the square sliding block 35, the square sliding block 35 can correspondingly adjust the length of the swing rod body 31 extending out of the swing rod sleeve 28 by moving in the square groove 36, and the placing ring 27 can be ensured to extend to the mounting position of a respirator on the transformer.

Further, in order to smoothly push the bottom of the rotating rod 29 to be separated when the respirator moves down to enter the placing ring 27, the rotating wheel 30 on the rotating rod 29 is made to rotate to clamp the peripheral wall of the respirator, friction between the respirator and the bottom of the rotating rod 29 is reduced to the maximum extent, the bull eye bearing 38 is installed at the bottom of the rotating rod 29, the respirator preferentially contacts with the bull eye bearing 38 when moving down to enter the placing ring 27, the rotating rod 29 is pushed by the bull eye bearing 38 to rotate to clamp the respirator, and the service life of the rotating rod 29 is prolonged to a certain extent.

Further, in order to facilitate the transfer or driving of the moving trolley 1, universal wheels 39 are installed at the bottom of the moving trolley 1, and a trolley handle 40 is disposed at a position on one side of the moving trolley 1.

The electric silica gel replacement device for the transformer respirator also comprises a driving part, a pipeline part and a moving part, wherein the driving part comprises an air storage tank, a compressor, a motor, a safety valve and a change-over switch, the pipeline part comprises a Venturi tube and a plastic pipeline, and the moving part comprises wheels, a chassis and a trolley handle. The compressor is connected with the air storage tank in an embedded type sealing mode, the safety valve is arranged above the air storage tank, and the motor and the change-over switch are connected to form a bidirectional variable driving device which is connected with the air outlet of the compressor and fixed to the front portion of the air storage tank. The plastic pipeline is provided with inlet pipe and discharging pipe, links to each other with jar body gas outlet through venturi. The bottom of the chassis is provided with wheels, the front part of the chassis is provided with a cart handle, and the driving part is integrally fixed on the chassis. Can just reversing through change over switch drive motor to realize that a key of old silica gel is absorb, and a key of new silica gel sends into the function, improved the replacement efficiency. The gas storage tank, the compressor, the motor, the safety valve, the change-over switch and other driving components are integrally embedded on the chassis, and the function of quick movement of the device is realized through wheels and a cart handle. The usable venturi effect of venturi makes mouth of pipe rear side stroke vacuum area for the gas velocity of flow to the flow of silica gel in the increase pipe improves and changes efficiency. The wheels can adopt a universal wheel design and can meet the requirements of complex terrains around the transformer. The safety valve is arranged at the outlet of the compressor, and when the air pressure power is too high, the safety valve acts to release gas, so that the safety and reliability of the device are improved, and the personal safety of operators is effectively guaranteed.

The compressor can be an oilless OTS-550 air compressor, the rated gas pressure is more than or equal to 0.7Mpa, the chassis is fixedly connected with wheels, the chassis load is at least 200KG and meets the load of a driving part, the stability of the device is ensured, the Venturi tube is fixed at the air outlet of the compressor and is made of high-strength stainless steel materials, the strength of the materials is ensured to meet the requirement of air pressure, the two ends of the Venturi tube are respectively connected with a feeding pipe and a discharging pipe, the autorotation angle of the wheels is 360 degrees, the effective load is more than or equal to 50KG, and the handle of the cart is required to meet the requirement of the range of the up-down moving angle of 0-60 degrees. The breather feed inlet and storage case are connected respectively to plastic pipeline both ends, open change over switch, and the motor forward rotates, sucks old silica gel to the waste material bucket, presses change over switch again, and motor reverse rotation sends into new silica gel from the storage case and accomplishes the change in the breather.

Technical scheme of the utility model not be restricted to the utility model the within range of embodiment. The technical contents not described in detail in the present invention are all known techniques.

Claims (5)

1. The utility model provides a transformer respirator silica gel is electronic changes device which characterized in that: comprises a movable trolley (1), a silica gel blowing and sucking replacing device and a respirator transfer device are installed on the movable trolley (1), the silica gel blowing and sucking replacing device comprises an air pump (2), the air pump (2) is communicated with a Venturi tube (4) through a first pipeline (3), a second pipeline (5) and a third pipeline (6) are communicated with the first pipeline (3), a first control valve (7) is installed on the first pipeline (3) between the second pipeline (5) and the third pipeline (6), a second control valve (8) is installed on the second pipeline (5), a third control valve (9) is installed on the third pipeline (6), the second pipeline (5) and the third pipeline (6) are both communicated with a silica gel receiving cylinder (10), a filter screen (11) is installed at the end part of the third pipeline (6) positioned in the silica gel receiving cylinder (10), and the Venturi tube (4) is communicated with a silica gel replacing cylinder (13) through a fourth pipeline (12), a fourth control valve (14) is installed on a fourth pipeline (12), the venturi tube (4) is communicated with a blowing and sucking hose (15), the end of the blowing and sucking hose (15) is connected with a disc (16), a blowing and sucking hard tube (17) and a stirring shifting plate (18) are arranged at the bottom of the disc (16), the blowing and sucking hard tube (17) is communicated with the blowing and sucking hose (15), a horn mouth (19) is arranged at the bottom of the blowing and sucking hard tube (17), the respirator transfer device comprises a vertical sleeve (20) fixed on the movable trolley (1), a lead screw (21) is installed in the vertical sleeve (20), a driving motor (22) is installed at the bottom of the lead screw (21), a nut (23) is installed on the lead screw (21) in a matched manner, a connecting rod (24) is installed on the nut (23), a vertical groove (25) matched with the connecting rod (24) is formed in the vertical sleeve (20), and a swing rod (26) capable of stretching and rotating is arranged in the connecting rod (24), a placing ring (27) matched with the respirator is arranged at the end part of the swing rod (26), a respirator rotation driving device is also arranged on the placing ring (27), the respirator rotation driving device consists of a plurality of clamping mechanisms, each clamping mechanism comprises a rotating rod (29) hinged on the placing ring (27), the bottom of the rotating rod (29) is positioned in the placing ring (27), the upper part of the rotating rod (29) is provided with a rotating wheel (30), a servo motor (32) is coaxially arranged on one rotating wheel (30), the bottom of each rotating rod (29) rotates and gathers under the action of gravity, the upper parts of the rotating rods (29) rotate and separate, the rotating wheels (30) cannot clamp the respirator, when the oil cup at the bottom of the respirator enters the placing ring (27), the rotating rod (29) can be pushed to rotate, so that the rotating wheel (30) clamps the respirator, the placing ring (27) can drive the respirator to move to the bottom of the disc (16).

2. The power-driven silica gel replacement device for the transformer respirator of claim 1, wherein: the stirring poking plate (18) comprises a hard connecting piece (33) fixed at the bottom of the disc (16), the length of the hard connecting piece (33) is equal to that of the blowing and sucking hard pipe (17), and an elastic poking plate (34) is sleeved outside the hard connecting piece (33).

3. The power-driven silica gel replacement device for the transformer respirator of claim 1, wherein: the swing rod (26) comprises a swing rod sleeve (28) and a swing rod body (31), the swing rod sleeve (28) is hinged to the connecting rod (24), a square sliding block (35) is installed on the swing rod body (31), a square groove (36) matched with the square sliding block (35) is formed in the swing rod sleeve (28), a detachable buckle cover (37) is installed at the end portion, close to one side of the placing ring (27), of the swing rod sleeve (28), and the buckle cover (37) can limit movement of the square sliding block (35).

4. The power-driven silica gel replacement device for the transformer respirator of claim 1, wherein: and a bull eye bearing (38) is installed at the bottom of the rotating rod (29).

5. The power-driven silica gel replacement device for the transformer respirator of claim 1, wherein: the bottom of the movable trolley (1) is provided with universal wheels (39), and a trolley handle (40) is arranged at one side of the movable trolley (1).

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