CN106207817B - A kind of fan of dry type transformer apparatus for examination and repair - Google Patents
A kind of fan of dry type transformer apparatus for examination and repair Download PDFInfo
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- CN106207817B CN106207817B CN201610763168.7A CN201610763168A CN106207817B CN 106207817 B CN106207817 B CN 106207817B CN 201610763168 A CN201610763168 A CN 201610763168A CN 106207817 B CN106207817 B CN 106207817B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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Abstract
The invention discloses a kind of fan of dry type transformer apparatus for examination and repair, including platform, it is arranged on the slew gear of platform upper and is arranged on the walking mechanism of mesa base, slew gear top sets right elevating lever, right maintenance casing is set at the top of right elevating lever, slew gear top sets half frame-type support frame, half frame-type support frame end set fixed cover close to edge, and interior slide of fixed cover sets cantilever, left elevating lever is fixedly installed in cantilever right-hand member upper surface, and left maintenance casing is set at the top of left elevating lever；The maintenance casing top of left maintenance casing and right maintenance casing composition sets ring groove, width is set to be more than the turning annular groove of recess width in it, turning annular block is set wherein, turning annular groove both sides set annular seal module, turning annular block bottom sets rotation pipe, and jet module is set in its side wall；On-bne repair is realized, and is easy to clear up dust, it is not necessary to is overhauled again after transformer is disassembled, has been saved cost, improved operating efficiency.
Description
Technical field
The present invention relates to power equipment monitoring technical field, more particularly, to a kind of fan of dry type transformer apparatus for examination and repair.
Background technology
With the increase of power consumption, the capacity requirement of distribution transformer is also constantly being improved, when distribution transformer holds
Amount 30Kv and it is following when, because single pole distribution transformer stand has simple in construction, easy for installation, materials and floor space all
Less advantage, distribution transformer are typically installed using single pole distribution transformer stand；When distribution transformer capacity is 50
During~315Kv, in order that the distribution of distribution transformer reaches rational in infrastructure, power supply is reliable, economical operation, easy to maintenance, meet
The requirement of distribution network safe power supply reliability, continuous and steady operation, distribution transformer often select double rod type distribution transformer
Platform（Also referred to as " H platforms "）Installed.At the same time, because transformer uses enclosed construction, radiating effect is poor, and heat accumulation is big,
And high voltage, high current and oepration at full load state are chronically at, directly result in heat and assemble aggravation, temperature rise, threaten electricity
Gas insulating properties, along with the distribution transformer using the installation of double rod type distribution transformer platform is generally arranged at open air, especially
In the summer that The sun is shining fiercely, the oil temperature of transformer Cooling oil persistently raises the cooling effect that can have a strong impact on cooling oil, or even meeting
Cause the damage of transformer.
For transformer Cooling oil oil temperature elevated band come the problem of, transformer Cooling oil oil temperature on-line monitoring technique meet the tendency of and
It is raw to be rapidly developed and tended to ripe.In order to monitor the oil temperature of transformer in real time, there are many transformers at present（Especially
Some critical facility transformers）It has been mounted with temperature of oil in transformer detection means.When temperature sensor detects that transformer is cold
But coherent detection data and alarm signal will be sent when oil temperature is above standard by Radio Transmission Technology, in order to transformation
Device patrolman's discovery in time processing nearby, guarantee is provided for transformer stable operation.
Although being much applied however, having had at present for monitoring the devices of temperature of oil in transformer on-line, until
The monitoring of temperature of oil in transformer can only be still realized so far, and the patrolman near transformer receives oil temperature monitoring device hair
Still need to collect the service kit for carrying huge number after the alarm signal gone out, and on-line cooling can not be carried out to transformer,
The normal operation of distribution system certainly will be influenceed.Therefore it provides a kind of system, to transformer device cooling oil can not only in real time exist
Line oil temperature is monitored, and transformer can be carried out according to monitoring situation online cooling and overhauling, and the safety of distribution system is transported
Row inherently produces very important actively impact.
Number of patent application 201410517181.5 discloses a kind of oil temperature of power transformer monitoring device and its system, is related to
The measurement apparatus technical field of temperature.The monitoring device include temperature sensor, signal conversion module, microprocessor module,
Wireless data transfer module, the temperature sensor are provided with several, respectively positioned at the top and bottom of the oil tank of transformer,
For gathering the oil temperature of oil tank of transformer inner top and the oil temperature of bottom, and positioned at the outside of oil tank of transformer, for adopting
Collect environment temperature.The monitoring device is prevented because setting a temperature by setting multiple oil temperature sensors to gather temperature of oil in transformer
Sensor is spent, it is caused during failure to monitor oil temperature, security incident is caused, and set environment temperature sensor to gather environment temperature
Degree, influence of the discharge environment temperature to temperature of oil in transformer, improves the degree of accuracy of transformer control system control oil temperature, prevents from sending out
Raw false alarm, improve the reliability of institute's oil temperature monitoring system.The invention can realize on-line monitoring transformer Cooling oil oil temperature, so
And the invention can only be monitored to oil temperature, when transformer Cooling oil oil temperature is above standard, it is still necessary to near-end patrolman and
Shi Faxian processing, patrolman prepare service kit time do not know, can timely processing be also difficult to ensure that.
Number of patent application 201410843925.2 discloses a kind of temperature of oil in transformer monitoring system, including several interior temperature
Sensor and several outer temperature sensors, interior temperature sensor are separately positioned on the inside of transformer, outer temperature sensor point
It is not arranged on the shell of transformer；All temperature sensors are all connected with temperature collect module, and temperature collect module connection A/D turns
Change the mold block；A/D modular converters, alarm module, wireless communication module, wire communication module are connected with control unit.Adopt simultaneously
The remote transmission of oil temperature data is carried out with wire communication and radio communication, it is ensured that transmission is efficiently, fast, stably；In transformer
Control unit triggers alarm module to send alarm when oil temperature is above standard, be easy to near-end patrolman discovery in time to handle, without
Deng being reprocessed after being notified to control centre, it greatly improves treatment effeciency, and guarantee is provided for transformer stable operation.So
And the invention can only be equally monitored to oil temperature, when transformer Cooling oil oil temperature is above standard, it is still necessary to near-end inspection people
Member in time discovery processing, patrolman prepare service kit time do not know, can timely processing be also difficult to ensure that.
Number of patent application 201510761568.X discloses a kind of removable power transmission network transformer maintenance station, including traction
Portion, check man's utensil compartment, oil tank compartment, oil tank conveying and positioning device is provided with oil tank compartment, can realize the automatic of oil tank
Convey and be accurately positioned；Simultaneously by rationally setting hydraulic oil unit, diesel-driven generator, battery, specific purpose tool ladder cabinet, conventional
The position and structure of Tool Cabinet, lift for high altitude construction, Work tool is same necessary to providing power transmission network transformer and safeguarding
When, can maximize the space utilization rate in compartment；Modernized by Fingerprint Identification Unit, electronic cipher device, solar thermal collector etc.
The application of means, the multifunction of maintenance station is realized, be that a kind of Novel moveable that can meet remote Repair of Transformer becomes
Depressor maintenance station.However, the invention can not carry out the on-line monitoring of cooling oil oil temperature to transformer, and transformer can not be entered
The online cooling of row；And because transformer is chronically in natural environment, its surface accumulate a large amount of dusts had a strong impact on overhaul into
Journey.
The content of the invention
In view of this, the purpose of the present invention is in view of the shortcomings of the prior art, there is provided a kind of fan of dry type transformer maintenance
Device, the on-line monitoring problem of transformer Cooling oil oil temperature is not only solved, and transformer can be entered according to monitoring situation
The online cooling of row and maintenance, and Hand scarf is carried out to dust thereon, it is not necessary to overhauled again after transformer is disassembled,
Save cost, improve operating efficiency.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of fan of dry type transformer apparatus for examination and repair, including platform, be arranged on the slew gear of the platform upper and set
The walking mechanism in the mesa base is put, former and later two sides of the platform open up fluted, the slew gear top
Right elevating lever is set, right maintenance casing is set at the top of the right elevating lever, the right maintenance casing right-hand member, which rotates, sets hermatic door,
The slew gear top sets half frame-type support frame, the half frame-type support frame end set fixed cover, institute close to edge
State to slide in fixed cover and cantilever is set, left elevating lever is fixedly installed in the cantilever right-hand member upper surface, is set at the top of the left elevating lever
Put left maintenance casing；
The inside top surface and inner bottom surface of the left maintenance casing right-hand member are respectively provided with right web plate, a left side for the right maintenance casing
End sets left gusset with right web plate position corresponding section, is bolted between the left gusset and the right web plate；
The left end of the right-hand member of the left maintenance casing and the right maintenance casing opens up two vertical setting of types and electric pole shape phase
The arc groove matched somebody with somebody, the left maintenance casing and the complete maintenance room of composition one during the right service chamber body running, the left side
Overhaul box inside bottom surface and wireless oil temperature data reception device is set, the wireless oil temperature data reception device is used to receive transformation
The oil temperature detection data of device cooling oil, the maintenance chamber interior set conditioner, the right maintenance box inside bottom surface
Inspection platform is set；The fixed cover is provided below includes fixed seat for the stable supporting mechanism supported, the supporting mechanism,
The support arm of fixed seat bottom is arranged on, the support arm bottom sets support feet, and the support arm is hydraulically extensible bar；
The left maintenance casing sets ring-like air flue with side roof part in the service chamber body of the right maintenance casing composition, described
Ring-like air flue is ring groove, sets width to be more than the turning annular groove of recess width in the ring groove, and the ring-type turns
Dynamic groove sets turning annular block, and the turning annular groove both sides set annular seal module, and the turning annular block bottom is set
Rotation is managed, and jet module is set in the side wall of the rotation pipe, and the rotation pipe lower end, which is set, rotates guide block, the rotation guide block
It is arranged on the ring-like slideway on the maintenance box bottom；
The annular seal module includes the seal groove of the turning annular groove inner edge side and outer edge side, and the seal groove is
Dovetail groove, the dovetail groove is interior to set the ring seal circle being engaged with turning annular block, and ring is set on the ring seal circle
Type spring, the ring-like spring are fixed by circumferential butt.
The ring-like slideway is ring-like dovetail slideway, and the rotation guide block is the dovetail body coordinated with ring-like dovetail slideway.
The jet module includes the air nozzle being arranged on along annular dovetail slideway tangential direction in rotation pipe side wall, and
It is arranged on the inside of rotation pipe towards the ash-spraying nozzle in the annular dovetail slideway center of circle direction.
The ring-like upper airways connection gases at high pressure, the annular moving block are divided into left annular moving block and turned with right annular
Motion block, it is connected between the left annular moving block and right annular moving block by groove with projection, and groove and bump contact
Face sets high-strength magnet.
The annular groove is divided into left annular groove and right annular groove, the end of the left annular groove and right annular groove
Sealing ring is set on face.
The left maintenance casing is with setting hermatic door in right service chamber body.
The balanced controls of adjustment are provided on the revolution gear wheel, the balanced controls include one end and revolution
The counter-jib that gear wheel is mutually fixed, the other end of the counter-jib set dynamic equilibrium module；The counter-jib is telescopic arm.
The dynamic equilibrium module includes dynamic case, is arranged on the dynamic equilibrium arm of dynamic case side, the dynamic equilibrium
Arm end sets weighted spherical ball.
The dynamic equilibrium arm is electric expansion bar, and the revolution gear wheel centre sets balance monitoring module, institute
Stating balance monitoring module includes MEMS gyroscope and mems accelerometer, the balance monitoring module and dynamic equilibrium module with
Controller in the wireless oil temperature data reception device is connected.
Further, the slew gear include being arranged on the revolution pedestal of the platform upper, be rotatably arranged on it is described
Revolution pedestal on revolution gear wheel, be arranged on the motor of the platform upper, be arranged on the driving motor output shaft
On and be engaged with the revolution gear wheel little gear, be arranged on the power supply and controlling switch of the platform upper, it is described
Power supply is powered for the motor, and the controlling switch controls the energization and power-off of the motor.
Further, the motor is step-by-step movement motor.
Further, the left elevating lever and the right elevating lever are electric lifting rod or hydraulic lifting arm.
Further, the platform dextral end sets actuating unit, and the actuating unit is headstock.
Or the platform dextral end sets draw bar, and towing pad is set on the draw bar.
Further, the cantilever offers neck close to the upper surface of left end, and limited block is set in the neck, described
Cantilever left end is threadedly coupled fastening screw, and the fastening screw end is stretched into the neck and is in contact with the limited block.
Further, the wireless oil temperature data reception device includes controller, wireless receiving module, display module, report
Alert module, storage module and power module, the wireless receiving module, the display module, the alarm module and the storage
Storing module is connected with the controller electric signal, and the power module provides electricity for the wireless oil temperature data reception device
Energy.
Further, the conditioner includes the temperature and humidity sensing for being arranged on side roof part in the left service chamber body
Device, it is arranged on the baroceptor of side roof part in the left service chamber body, is arranged in the left service chamber body in side bottom
Centre controller, it is arranged on the heater of side roof part in the left service chamber body, is arranged on the external side bottom of right service chamber
Admission line, the discharge duct for being arranged on the external side roof part of left service chamber and it is arranged on before the right maintenance casing on facade
Air-conditioning device, the escape pipe of the admission line and air-conditioning device connected, and supply fan and drying are set in the admission line
Mechanism, sets exhaust fan and drain tap in the discharge duct, the Temperature Humidity Sensor, air pressure sensing gas, heater, enters
Gas is fanned and exhaust fan is connected with the central controller.
The beneficial effects of the invention are as follows：
The present invention provides a kind of fan of dry type transformer apparatus for examination and repair, including platform, time for being arranged on the platform upper
Rotation mechanism and the walking mechanism for being arranged on the mesa base, described former and later two sides of platform open up fluted, one side
The groove is that the system carries out avoiding interfering with carrying the electric pole of transformer when on-line cooling or maintenance to transformer, separately
On the one hand the platform sinistral can be selected according to the relative position of transformer and the system close to transformer or right side to increase
University degree systematic difference scope；The slew gear top sets right elevating lever, and right service chamber is set at the top of the right elevating lever
Body, the right maintenance bottom half setting right elevating lever disclosure satisfy that on-line cooling and the maintenance of different height transformer；
The right maintenance casing right-hand member, which rotates, sets hermatic door, on the one hand the hermatic door is carrying out online cooling and overhauling to transformer
When provide one sealing environment, on the other hand provide passage for the disengaging of staff；The slew gear top is close to side
Half frame-type support frame, the half frame-type support frame end set fixed cover are set at edge, interior slide of the fixed cover sets cantilever,
Left elevating lever is fixedly installed in the cantilever right-hand member upper surface, and left maintenance casing, half frame-type are set at the top of the left elevating lever
Support frame on the one hand be used for support the left maintenance casing, on the other hand by transformer be enclosed in it is described maintenance it is indoor when avoid
Electric pole with carrying transformer produces interference, and the half frame-type support frame with the right maintenance casing by being arranged at institute in addition
State on slew gear, synchronization when the left maintenance casing and the right maintenance body pivot can be ensured；The left service chamber
The left end of the right-hand member of body and the right maintenance casing opens up the arc groove that two vertical setting of types match with electric pole shape, the left inspection
On the one hand the complete maintenance room of composition one when repairing casing and the right service chamber body running, the maintenance room are used for transformer
The maintenance interior is enclosed in be cooled, is on the other hand used to carry out on-bne repair to transformer；The left maintenance casing
Inside bottom surface sets wireless oil temperature data reception device, and the wireless oil temperature data reception device is used for receiving transformer cooling oil
Oil temperature detection data, the maintenance chamber interior sets conditioner, on the one hand the conditioner is used for becoming
Depressor is cooled, and another side is used to provide suitable sealed environment when carrying out maintenance room to transformer；The right maintenance casing
Inside bottom surface sets inspection platform, and the inspection platform is used to carry out on-bne repair to transformer；While in order to improve the present apparatus
Stability, the supporting mechanism of stable support is provided in fixed cover lower surface, it is possible to increase its in the present apparatus at work
Stability, avoid wild effect caused by centre-of gravity shift；And the supporting mechanism used includes fixed seat, fixed seat is arranged on
The support arm of bottom, the support arm bottom set support feet, and the support arm is hydraulically extensible bar；And the hydraulically extensible used
Bar is hand-hydraulic expansion link, so as to improve the stability of the present apparatus；And in order to improve the present apparatus under various regimes flat
Weighing apparatus property, the balanced controls of adjustment, the balanced controls bag are provided on the revolution gear wheel of right maintenance lower box
The counter-jib that one end is mutually fixed with turning round gear wheel is included, the other end of the counter-jib sets dynamic equilibrium module；The balance
Arm is telescopic arm, is changed by telescopic arm length and combines the dynamic equilibrium module at rear portion and be arranged on revolution gear wheel center
The balance monitoring module at position, realizes the dynamic equilibrium of the present apparatus well, its moment is kept poised state, it is ensured that the present apparatus
The stability of operation.
In addition, in order to ensure the present apparatus possesses good dust removing effects, consequently facilitating will not be because of dust reason during maintenance
Caused by pollute the phenomenon of component, deashing mechanism is set, and due to being wrapped in cement tower bar, it is impossible to realize along top in it
The inverted L shape injection structure of setting；The left maintenance casing is set with side roof part in the service chamber body of the right maintenance casing composition
Ring-like air flue, the ring-like air flue are ring groove, set width to be more than the turning annular of recess width in the ring groove
Groove, the turning annular groove set turning annular block, and the turning annular groove both sides set annular seal module, and the ring-type turns
Motion block bottom sets rotation pipe, and jet module is set in the side wall of the rotation pipe, and the rotation pipe lower end sets rotation guide block,
The rotation guide block is arranged on the ring-like slideway on the maintenance box bottom；Set and the groove set is rectangular channel, in it
The turning annular groove that width is more than recess width is put, is arc in endless drive groove sidewall cross section so that the ring-type of setting turns
Dynamic groove can rotation-limited wherein, and in order to ensure the phenomenon of present apparatus gas leakage in the process of running, in turning annular groove
Edge side and the seal groove of outer edge side, the seal groove are dovetail groove, set what is be engaged with turning annular block in the dovetail groove
Ring seal circle, ring-like spring is set on the ring seal circle, the ring-like spring is fixed by circumferential butt；So that
Ring seal circle compresses under the pressure of ring spring into dovetail groove, and because dovetail groove top narrows, enable to ring-like
Sealing ring is close to turning annular block face, realizes hermetic seal, and due to setting high pressure make it that ring-style rotational block is natural in ring-like air flue
Ring-like sealing ring is compressed, realizes the sealing of annular moving block；And because maintenance casing is divided into left maintenance casing and right service chamber
Body so that annular moving block is divided equally with annular groove, and in order to ensure combination when integrality, left annular moving block with
It is connected between right annular moving block by groove with projection, and groove sets high-strength magnet with bump contact face；Ensure its
Be not in raised phenomenon when forming annulus, and sealing ring is set on the end face of annular groove, it can ensure in left maintenance
When casing end face is in contact with right maintenance casing end face, it reduces air leakage.
In addition, synergic rotation that can be upper and lower during in order to ensure injection, can be arranged on annular dovetail flower by rotation pipe lower end
In road, and rotate pipe lower end and the dovetail body being engaged with annular dovetail slideway is set, and the jet module is included along annular swallow
Stern ramp tangential direction is arranged on the air nozzle in rotation pipe side wall, and is arranged on the inside of rotation pipe towards the annular dovetail
The ash-spraying nozzle in slideway center of circle direction；It can be realized drives rotation pipe after gases at high pressure are passed through by the blowback effect of air nozzle
Rotating, the ash-spraying nozzle set thereon is used to rotate carries out deashing to transformer, while in order to improve the effect of deashing, the spray of use
Grey mouth is Venturi nozzle with air nozzle, while right case side wall sets a ventilating fan, for dust quickly to be discharged；And
In order to ensure deashing when do not influence the work of other elements in service chamber body, in the annular of left maintenance casing and right maintenance casing
Glass door is set on the outside of dovetail slideway, so as to realize sealing deashing in deashing.
The system is set by being arranged on the wireless oil temperature data reception device real-time reception of left maintenance box inside bottom surface
The oil temperature that temperature of oil in transformer monitoring device on the transformer is sent out by wireless technology detects data, when the wireless oil
Oil temperature that warm data sink receives detection data be above standard control oil temperature when, alarm module will send alarm signal
Number, and then the system is moved to change being arranged under the driving under the driving of actuating unit of platform dextral end or in tractor
By depressor, the left maintenance casing being disposed over and right maintenance casing is driven to turn to correct position by the slew gear,
First the arc groove of the right maintenance casing left end is bonded with electric pole outer surface, moves the left maintenance casing afterwards by electric pole
It is caught between the arc groove of the left maintenance casing right-hand member and the arc groove of the right maintenance casing left end, then passes through spiral shell
Bolt links together the left maintenance casing and the right maintenance casing, then by being arranged on the sky for overhauling chamber interior
Gas control device carries out on-line cooling cooling to transformer；By the inspection platform for being arranged on the right maintenance box inside bottom surface
On-bne repair can be carried out to transformer；The present invention not only solves the on-line monitoring problem of transformer Cooling oil oil temperature, and
Transformer can be carried out according to monitoring situation online cooling and overhauling, it is not necessary to examined again after transformer is disassembled
Repair, saved cost, improved operating efficiency.
Brief description of the drawings
Fig. 1 is the forward sight structural representation of the present invention；
Fig. 2 is the overlooking the structure diagram of the present invention；
Fig. 3 is the right side structural representation of the present invention；
Fig. 4 is the present invention looks up structural representation of the present invention；
Fig. 5 is the dimensional structure diagram of the present invention；
Fig. 6 is the dimensional structure diagram of working condition of the present invention；
Fig. 7 is the structured flowchart of the wireless oil temperature data reception device of the present invention；
Fig. 8 is the forward sight structural representation of another structure of the present invention；
Fig. 9 is inspection platform structural representation of the present invention；
Figure 10 is the schematic top plan view of inspection platform of the present invention；
Figure 11 is the partial structural diagram of balance module of the present invention；
Figure 12 is the overlooking the structure diagram of present invention maintenance casing；
Figure 13 is the structural representation of rotary module of the present invention；
Figure 14 is the structural representation of A on rotary module of the present invention.
Embodiment
Below in conjunction with the accompanying drawings 1 to 14 and embodiment the invention will be further described.
Embodiment one：A kind of fan of dry type transformer apparatus for examination and repair, including platform 1, time for being arranged on the top of platform 1
Rotation mechanism and the walking mechanism 2 for being arranged on the bottom of platform 1, described former and later two sides of platform 1 open up fluted 3, institute
State slew gear top and right elevating lever 4 is set, the right top of elevating lever 4 sets right maintenance casing 5, the right maintenance casing 5
Right-hand member, which rotates, sets hermatic door 6, and the slew gear top sets half frame-type support frame 7, the half frame-type branch close to edge
The end set fixed cover 8 of support 7, interior slide of the fixed cover 8 set cantilever 9, and the right-hand member upper surface of cantilever 9 fixed setting is left
Elevating lever 10, the left top of elevating lever 10 set left maintenance casing 11.
The inside top surface and inner bottom surface of the left maintenance right-hand member of casing 11 are respectively provided with right web plate 12, the right maintenance casing
5 left end sets left gusset 13 with the position corresponding section of right web plate 12, between the left gusset 13 and the right web plate 12
Connected by bolt 14.
The left end of the right-hand member of the left maintenance casing 11 and the right maintenance casing 5 opens up two vertical setting of types and electric pole shape phase
The complete maintenance room of composition one when the arc groove 15 of matching, the left maintenance casing 11 and the right maintenance casing 5 work,
Left maintenance casing 11 inside bottom surface sets wireless oil temperature data reception device 16, the wireless oil temperature data reception device 16
Oil temperature for receiving transformer cooling oil detects data, and the maintenance chamber interior sets conditioner, the right maintenance
The inside bottom surface of casing 5 sets inspection platform 17；The fixed cover 8 is provided below for the stable supporting mechanism supported, the branch
Support mechanism includes fixed seat 61, is arranged on the support arm 62 of the bottom of fixed seat 61, and the bottom of support arm 62 sets support feet 57,
The support arm 62 is hydraulically extensible bar；The balanced controls of adjustment are provided on the revolution gear wheel 19, it is described flat
The mechanism that weighs includes the counter-jib 54 that one end is fixed with turning round the phase of gear wheel 19, and the other end of the counter-jib 54 sets dynamic equilibrium
Module 55；The counter-jib 54 is electric telescopic arm.
The left maintenance casing sets ring-like air flue 571 with side roof part in the service chamber body of the right maintenance casing composition,
The ring-like air flue 571 is ring groove, sets width to be more than the turning annular groove 583 of recess width in the ring groove,
The turning annular groove 583 sets turning annular block 573, and the both sides of turning annular groove 583 set annular seal module, described
The bottom of turning annular block 573 sets rotation pipe 577, and jet module, the rotation pipe are set in the side wall of the rotation pipe 577
577 lower ends set rotation guide block 578, and the rotation guide block 578 is arranged on the ring-like slideway 59 on the maintenance box bottom.
The annular seal module includes the seal groove of the inner edge side of turning annular groove 583 and outer edge side, the sealing
Groove is dovetail groove, and the ring seal circle 574 being engaged with turning annular block, the ring seal circle are set in the dovetail groove
574 tops set ring-like spring 575, and the ring-like spring 575 is fixed by circumferential butt 576.
The ring-like slideway 59 is ring-like dovetail slideway, and the rotation guide block 578 is the swallow coordinated with ring-like dovetail slideway
Urosome.
The jet module includes the air nozzle being arranged on along annular dovetail slideway tangential direction in the rotation side wall of pipe 577
579, and it is arranged on ash-spraying nozzle 580 of the inner side of rotation pipe 577 towards the annular dovetail slideway center of circle direction.
The top of ring-like air flue 571 connects gases at high pressure 572, and the annular moving block 573 divides for left annular moving block
With right annular moving block, it is connected between the left annular moving block and right annular moving block by groove with projection, and groove
High-strength magnet is set with bump contact face.
The annular groove is divided into left annular groove and right annular groove, the end of the left annular groove and right annular groove
Sealing ring 582 is set on face.
The left maintenance casing 11 is with setting hermatic door 58 in the right body of service chamber 5.
The dynamic equilibrium module includes dynamic case 552, is arranged on the dynamic equilibrium arm 553 of the side of dynamic case 552, described
Dynamic equilibrium arm end sets weighted spherical ball 551.
The dynamic equilibrium arm 553 is electric expansion bar, and the revolution gear wheel centre sets balance monitoring module
56, the balance monitoring module 56 includes MEMS gyroscope 561 and mems accelerometer 562, and the balance monitoring module is with moving
State balance module 553 is connected with the controller in the wireless oil temperature data reception device；
The slew gear includes being arranged on the revolution pedestal 18 on the top of platform 1, is rotatably arranged on the revolution base
Revolution gear wheel 19 on seat 18, the motor 20 on the top of platform 1 is arranged on, the motor 20 is arranged on and exports
Little gear 21 that is on axle and being engaged with the revolution gear wheel 19, the power supply 22 for being arranged on the top of platform 1 and control
Switch 23, the power supply 22 are that the motor 20 is powered, and the controlling switch 23 controls the energization and power-off of the motor.
The left elevating lever 10 and the right elevating lever 4 are electric lifting rod.
The right-hand member of platform 1 sets actuating unit 24, and the actuating unit 24 is headstock.
The wireless oil temperature data reception device 16 includes controller 30, wireless receiving module 31, display module 32, alarm
Module 33, storage module 34 and power module 35, the wireless receiving module 31, the display module 32, the alarm module
33 and the storage module 34 be connected with the electric signal of controller 30, the power module 35 is the wireless oil temperature data
Reception device 16 provides electric energy.
The present invention provides a kind of fan of dry type transformer apparatus for examination and repair, including platform, time for being arranged on the platform upper
Rotation mechanism and the walking mechanism for being arranged on the mesa base, described former and later two sides of platform open up fluted, one side
The groove is that the system carries out avoiding interfering with carrying the electric pole of transformer when on-line cooling or maintenance to transformer, separately
On the one hand the platform sinistral can be selected according to the relative position of transformer and the system close to transformer or right side to increase
University degree systematic difference scope；The slew gear top sets right elevating lever, and right service chamber is set at the top of the right elevating lever
Body, the right maintenance bottom half setting right elevating lever disclosure satisfy that on-line cooling and the maintenance of different height transformer；
The right maintenance casing right-hand member, which rotates, sets hermatic door, on the one hand the hermatic door is carrying out online cooling and overhauling to transformer
When provide one sealing environment, on the other hand provide passage for the disengaging of staff；The slew gear top is close to side
Half frame-type support frame, the half frame-type support frame end set fixed cover are set at edge, interior slide of the fixed cover sets cantilever,
Left elevating lever is fixedly installed in the cantilever right-hand member upper surface, and left maintenance casing, half frame-type are set at the top of the left elevating lever
Support frame on the one hand be used for support the left maintenance casing, on the other hand by transformer be enclosed in it is described maintenance it is indoor when avoid
Electric pole with carrying transformer produces interference, and the half frame-type support frame with the right maintenance casing by being arranged at institute in addition
State on slew gear, synchronization when the left maintenance casing and the right maintenance body pivot can be ensured；The left service chamber
The left end of the right-hand member of body and the right maintenance casing opens up the arc groove that two vertical setting of types match with electric pole shape, the left inspection
On the one hand the complete maintenance room of composition one when repairing casing and the right service chamber body running, the maintenance room are used for transformer
The maintenance interior is enclosed in be cooled, is on the other hand used to carry out on-bne repair to transformer；The left maintenance casing
Inside bottom surface sets wireless oil temperature data reception device, and the wireless oil temperature data reception device is used for receiving transformer cooling oil
Oil temperature detection data, the maintenance chamber interior sets conditioner, on the one hand the conditioner is used for becoming
Depressor is cooled, and another side is used to provide suitable sealed environment when carrying out maintenance room to transformer；The right maintenance casing
Inside bottom surface sets inspection platform, and the inspection platform is used to carry out on-bne repair to transformer；While in order to improve the present apparatus
Stability, the supporting mechanism of stable support is provided in fixed cover lower surface, it is possible to increase its in the present apparatus at work
Stability, avoid wild effect caused by centre-of gravity shift；And the supporting mechanism used includes fixed seat, fixed seat is arranged on
Bottom, the support arm bottom set support feet, and the support arm is hydraulically extensible bar；And the hydraulically extensible bar used is manual
Hydraulically extensible bar, so as to improve the stability of the present apparatus；And in order to improve balance of the present apparatus under various support arm states
Property, the balanced controls of adjustment are provided on the revolution gear wheel of right maintenance lower box, the balanced controls include
The counter-jib that one end is mutually fixed with revolution gear wheel, the other end of the counter-jib set dynamic equilibrium module；The counter-jib
For telescopic arm, changed by telescopic arm length and combine the dynamic equilibrium module at rear portion and be arranged on revolution gear wheel central part
The balance monitoring module of position, realizes the dynamic equilibrium of the present apparatus well, its moment is kept poised state, it is ensured that the present apparatus is transported
Capable stability.
In addition, in order to ensure the present apparatus possesses good dust removing effects, consequently facilitating will not be because of dust reason during maintenance
Caused by pollute the phenomenon of component, deashing mechanism is set, and due to being wrapped in cement tower bar, it is impossible to realize along top in it
The inverted L shape injection structure of setting；The left maintenance casing is set with side roof part in the service chamber body of the right maintenance casing composition
Ring-like air flue, the ring-like air flue are ring groove, set width to be more than the turning annular of recess width in the ring groove
Groove, the turning annular groove set turning annular block, and the turning annular groove both sides set annular seal module, and the ring-type turns
Motion block bottom sets rotation pipe, and jet module is set in the side wall of the rotation pipe, and the rotation pipe lower end sets rotation guide block,
The rotation guide block is arranged on the ring-like slideway on the maintenance box bottom；Set and the groove set is rectangular channel, in it
The turning annular groove that width is more than recess width is put, is arc in endless drive groove sidewall cross section so that the ring-type of setting turns
Dynamic groove can rotation-limited wherein, and in order to ensure the phenomenon of present apparatus gas leakage in the process of running, in turning annular groove
Edge side and the seal groove of outer edge side, the seal groove are dovetail groove, set what is be engaged with turning annular block in the dovetail groove
Ring seal circle, ring-like spring is set on the ring seal circle, the ring-like spring is fixed by circumferential butt；So that
Ring seal circle compresses under the pressure of ring spring into dovetail groove, and because dovetail groove top narrows, enable to ring-like
Sealing ring is close to turning annular block face, realizes hermetic seal, and due to setting high pressure make it that ring-style rotational block is natural in ring-like air flue
Ring-like sealing ring is compressed, realizes the sealing of annular moving block；And because maintenance casing is divided into left maintenance casing and right service chamber
Body so that annular moving block is divided equally with annular groove, and in order to ensure combination when integrality, left annular moving block with
It is connected between right annular moving block by groove with projection, and groove sets high-strength magnet with bump contact face；Ensure its
Be not in raised phenomenon when forming annulus, and sealing ring is set on the end face of annular groove, it can ensure in left maintenance
When casing end face is in contact with right maintenance casing end face, it reduces air leakage.
In addition, synergic rotation that can be upper and lower during in order to ensure injection, can be arranged on annular dovetail by rotation pipe lower end and slide
In road, and rotate pipe lower end and the dovetail body being engaged with annular dovetail slideway is set, and the jet module is included along annular swallow
Stern ramp tangential direction is arranged on the air nozzle in rotation pipe side wall, and is arranged on the inside of rotation pipe towards the annular dovetail
The ash-spraying nozzle in slideway center of circle direction；It can be realized drives rotation pipe after gases at high pressure are passed through by the blowback effect of air nozzle
Rotating, the ash-spraying nozzle set thereon is used to rotate carries out deashing to transformer, while in order to improve the effect of deashing, the spray of use
Grey mouth is Venturi nozzle with air nozzle, while right case side wall sets a ventilating fan, for dust quickly to be discharged；And
In order to ensure deashing when do not influence the work of other elements in service chamber body, in the annular of left maintenance casing and right maintenance casing
Glass door is set on the outside of dovetail slideway, so as to realize sealing deashing in deashing.
The system is set by being arranged on the wireless oil temperature data reception device real-time reception of left maintenance box inside bottom surface
The oil temperature that temperature of oil in transformer monitoring device on the transformer is sent out by wireless technology detects data, when the wireless oil
Oil temperature that warm data sink receives detection data be above standard control oil temperature when, alarm module will send alarm signal
Number, and then the system is moved to change being arranged under the driving under the driving of actuating unit of platform dextral end or in tractor
By depressor, the left maintenance casing being disposed over and right maintenance casing is driven to turn to correct position by the slew gear,
First the arc groove of the right maintenance casing left end is bonded with electric pole outer surface, moves the left maintenance casing afterwards by electric pole
It is caught between the arc groove of the left maintenance casing right-hand member and the arc groove of the right maintenance casing left end, then passes through spiral shell
Bolt links together the left maintenance casing and the right maintenance casing, then by being arranged on the sky for overhauling chamber interior
Gas control device carries out on-line cooling cooling to transformer；By the inspection platform for being arranged on the right maintenance box inside bottom surface
On-bne repair can be carried out to transformer；The present invention not only solves the on-line monitoring problem of transformer Cooling oil oil temperature, and
Transformer can be carried out according to monitoring situation online cooling and overhauling, it is not necessary to examined again after transformer is disassembled
Repair, saved cost, improved operating efficiency.
Embodiment two：A kind of fan of dry type transformer apparatus for examination and repair, including platform 1, time for being arranged on the top of platform 1
Rotation mechanism and the walking mechanism 2 for being arranged on the bottom of platform 1, described former and later two sides of platform 1 open up fluted 3, institute
State slew gear top and right elevating lever 4 is set, the right top of elevating lever 4 sets right maintenance casing 5, the right maintenance casing 5
Right-hand member, which rotates, sets hermatic door 6, and the slew gear top sets half frame-type support frame 7, the half frame-type branch close to edge
The end set fixed cover 8 of support 7, interior slide of the fixed cover 8 set cantilever 9, and the right-hand member upper surface of cantilever 9 fixed setting is left
Elevating lever 10, the left top of elevating lever 10 set left maintenance casing 11.
The inside top surface and inner bottom surface of the left maintenance right-hand member of casing 11 are respectively provided with right web plate 12, the right maintenance casing
5 left end sets left gusset 13 with the position corresponding section of right web plate 12, between the left gusset 13 and the right web plate 12
Connected by bolt 14.
The left end of the right-hand member of the left maintenance casing 11 and the right maintenance casing 5 opens up two vertical setting of types and electric pole shape phase
The complete maintenance room of composition one when the arc groove 15 of matching, the left maintenance casing 11 and the right maintenance casing 5 work,
Left maintenance casing 11 inside bottom surface sets wireless oil temperature data reception device 16, the wireless oil temperature data reception device 16
Oil temperature for receiving transformer cooling oil detects data, and the maintenance chamber interior sets conditioner, the right maintenance
The inside bottom surface of casing 5 sets inspection platform 17.
The slew gear includes being arranged on the revolution pedestal 18 on the top of platform 1, is rotatably arranged on the revolution base
Revolution gear wheel 19 on seat 18, the motor 20 on the top of platform 1 is arranged on, the motor 20 is arranged on and exports
Little gear 21 that is on axle and being engaged with the revolution gear wheel 19, the power supply 22 for being arranged on the top of platform 1 and control
Switch 23, the power supply 22 are that the motor 20 is powered, and the controlling switch 23 controls the energization and power-off of the motor.
The motor 20 is step-by-step movement motor.
The left elevating lever 10 and the right elevating lever 4 are electric lifting rod.
The right-hand member of platform 1 sets actuating unit 24, and the actuating unit 24 is headstock.
The conditioner includes being arranged on the Temperature Humidity Sensor 36 of the left maintenance inside top of casing 11, set
Put in the left baroceptor 37 for overhauling the inside top of casing 11, be arranged in the left maintenance inside bottom of casing 11
Centre controller 39, the heater 38 for being arranged on the left maintenance inside top of casing 11, it is arranged on the right outside of maintenance casing 5
The admission line 40 of bottom, it is arranged on the left discharge duct 41 for overhauling the outside top of casing 11 and is arranged on the right maintenance
Air-conditioning device 42 before casing 5 on facade, the admission line 40 are connected with the escape pipe 43 of air-conditioning device 42, the air inlet pipe
Supply fan 44 and drier 45 are set in road 40, exhaust fan 46 and drain tap 47 are set in the discharge duct 41, it is described
Temperature Humidity Sensor 36, air pressure sensing gas 37, heater 38, supply fan 44 and exhaust fan 46 connect with the central controller 39
Connect.
Embodiment three：The difference of itself and embodiment one and embodiment two is：The left elevating lever 10 and the right lifting
Bar 4 is hydraulic lifting arm.
The right-hand member of platform 1 sets draw bar 25, and towing pad 26 is set on the draw bar 25.
The right side of the left maintenance casing 11 and the left side of the right maintenance casing 5 are respectively provided with elastic layer 48.
Right maintenance casing 5 side sets ventilating fan 60.
The elastic layer 48 is made up of abrasive rubber, and the abrasive rubber is made up of following parts by weight ingredient：Polyurethane rubber
60 parts of glue, 40 parts of ACM, 26 parts of nitrile rubber, 480 parts of butadiene-styrene rubber, 15 parts of bromination butene rubber, poly- allene
3 parts of 8 parts of siloxanes, 15 parts of magnesia, 20 parts of carbon black, 6 parts of urethanes, 1.5 parts of Tissuemat E and carbon fiber；Due to adopting
By the use of Tissuemat E as antiaging agent, the persistence, hardness and abrasion resistance of abrasive rubber can be improved, carbon fiber has high-strength
Degree, extremely strong anti-wear performance, and carbon fiber can form skeleton in abrasive rubber, be easy to be molded；Also so that the elastic layer exists
Do not occur jaundice aging phenomenon after 5 years natural environments, and do not occur the phenomenon of gas leakage leak after sealing yet, it is more existing wear-resisting
Its life of rubber 2 years, avoids due to changing the elastic layer and causes cost to increase, and deliver to maintenance factory to cause not
The shortcomings that energy normal work；Its moment is set to keep optimum Working.
Example IV：The difference of itself and embodiment three is：The cantilever 9 offers neck close to the upper surface of left end
27, the neck 27 is interior to set limited block 28, and the left end of cantilever 9 is threadedly coupled fastening screw 29, the end of fastening screw 29
Portion stretches into the neck 27 and is in contact with the limited block 28.
The inspection platform 17 includes support frame 49, and the upper end both sides of support frame 49 set chute 50, corresponding institute
State chute 50 and supporting plate 51 is set above the support frame 49, the end set translation supporting mechanism 52 of supporting plate 51,
Rinsing table 53 is set in the support frame 49, and electric elements are placed on the supporting plate in maintenance, and translation supporting mechanism is by propping up
Post and wheel composition, facilitate supporting plate to be translated, when needing to clean some parts, supporting plate are translated, reveal
The rinsing table gone out under support frame, it would be desirable to which the parts of cleaning are put into rinsing table and handled, and are provided greatly for upkeep operation
Facility, substantially reduce time of upkeep operation.
Embodiment five, the difference of itself and embodiment one are：The bottom of weighted spherical ball 551 sets weighted, described to match somebody with somebody
Reconstruct part is counterweight, for increasing the balance to balance module, reduces weighted spherical ball because quality deficiency, and causes counterbalancing effect not
Good phenomenon.
Embodiment six, the difference of itself and embodiment one are：The annular groove is divided into left annular groove and right annular is recessed
Groove, the left annular groove is with setting sealing ring 582 on the end face of right annular groove；It is and accurate in order to ensure what is positioned every time
Property, alignment pin is set on end face；The graphite linings 581 being engaged with circumferential butt 576 are set in the annular groove.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, this area is common
Other modifications or equivalent substitution that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover among scope of the presently claimed invention.
Claims (9)
1. a kind of fan of dry type transformer apparatus for examination and repair, including platform, be arranged on the platform upper slew gear and setting
In the walking mechanism of the mesa base, it is characterised in that：Former and later two sides of the platform open up fluted, the revolution
Mechanism top sets right elevating lever, and right maintenance casing is set at the top of the right elevating lever, and the right maintenance casing right-hand member, which rotates, to be set
Hermatic door is put, the slew gear top sets half frame-type support frame, the half frame-type support frame end set close to edge
Fixed cover, interior slide of the fixed cover set cantilever, and left elevating lever, the left lifting is fixedly installed in the cantilever right-hand member upper surface
Left maintenance casing is set at the top of bar；The inside top surface and inner bottom surface of the left maintenance casing right-hand member are respectively provided with right web plate, described
The left end of right maintenance casing sets left gusset with right web plate position corresponding section, between the left gusset and the right web plate
It is bolted；The left end of the right-hand member of the left maintenance casing and the right maintenance casing opens up two vertical setting of types and electric pole shape
The arc groove to match, the left maintenance casing and the complete maintenance room of composition one during the right service chamber body running, institute
State left maintenance box inside bottom surface and wireless oil temperature data reception device is set, the wireless oil temperature data reception device is used to receive
The oil temperature detection data of transformer Cooling oil, the maintenance chamber interior set conditioner, the right maintenance box inside
Bottom surface sets inspection platform；The fixed cover is provided below to be included solid for the stable supporting mechanism supported, the supporting mechanism
Reservation, the support arm of fixed seat bottom is arranged on, the support arm bottom sets support feet, and the support arm is hydraulically extensible
Bar；The slew gear includes being arranged on the revolution pedestal of the platform upper, is rotatably arranged on returning on the revolution pedestal
Turn gear wheel, be arranged on the motor of the platform upper, be arranged in the driving motor output shaft and with described time
Turn little gear that gear wheel is engaged, be arranged on the power supply and controlling switch of the platform upper, the power supply is the driving
Motor is powered, and the controlling switch controls the energization and power-off of the motor, is turned round on gear wheel and is provided for adjustment
Balanced controls, the balanced controls include the counter-jib that one end is mutually fixed with turning round gear wheel, and the other end of the counter-jib is set
Put dynamic equilibrium module；The counter-jib is telescopic arm；The service chamber of the left maintenance casing and the right maintenance casing composition
Internal side roof part sets ring-like air flue, and the ring-like air flue is ring groove, sets width to be more than groove in the ring groove
The turning annular groove of width, the turning annular groove set turning annular block, and the turning annular groove both sides set annular seal
Module, the turning annular block bottom set rotation to manage, setting jet module in the side wall of the rotation pipe, under the rotation pipe
End sets rotation guide block, and the rotation guide block is arranged on the ring-like slideway on the maintenance box bottom；The annular seal
Module includes the seal groove of the turning annular groove inner edge side and outer edge side, and the seal groove is dovetail groove, in the dovetail groove
The ring seal circle being engaged with turning annular block is set, ring-like spring, the ring-like spring are set on the ring seal circle
It is fixed by circumferential butt.
A kind of 2. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The ring-like slideway is
Ring-like dovetail slideway, the rotation guide block is the dovetail body coordinated with ring-like dovetail slideway；The jet module is included along annular
Dovetail slideway tangential direction is arranged on the air nozzle in rotation pipe side wall, and is arranged on the inside of rotation pipe towards the annular swallow
The ash-spraying nozzle in stern ramp center of circle direction.
A kind of 3. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The dynamic equilibrium mould
Block includes dynamic case, is arranged on the dynamic equilibrium arm of dynamic case side, and the dynamic equilibrium arm end sets weighted spherical ball；It is described dynamic
State counter-jib is electric expansion bar, and the revolution gear wheel centre sets balance monitoring module, the balance monitoring module
Including MEMS gyroscope and mems accelerometer, the balance monitoring module and dynamic equilibrium module with the wireless oil temperature number
It is connected according to the controller in reception device.
A kind of 4. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The left elevating lever and
The right elevating lever is electric lifting rod or hydraulic lifting arm.
A kind of 5. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The platform dextral end is set
Actuating unit is put, the actuating unit is headstock.
A kind of 6. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The platform dextral end is set
Draw bar is put, towing pad is set on the draw bar.
A kind of 7. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The cantilever is close to left
The upper surface at end offers neck, limited block is set in the neck, the cantilever left end is threadedly coupled fastening screw, described tight
Gu screw rod end is stretched into the neck and is in contact with the limited block.
A kind of 8. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The wireless oil temperature number
Include controller, wireless receiving module, display module, alarm module, storage module and power module, the nothing according to reception device
Line receiving module, the display module, the alarm module and the storage module are connected with the controller electric signal, institute
State power module and provide electric energy for the wireless oil temperature data reception device.
A kind of 9. fan of dry type transformer apparatus for examination and repair according to claim 1, it is characterised in that：The air adjustment dress
Put including being arranged on the Temperature Humidity Sensor of side roof part in the left service chamber body, being arranged on side roof part in the left service chamber body
Baroceptor, be arranged on the central controller of side bottom in the left service chamber body, be arranged in the left service chamber body
The heater of side roof part, the admission line for being arranged on the external side bottom of right service chamber, to be arranged on the left service chamber external
The discharge duct of side roof part and the air-conditioning device before the right maintenance casing on facade is arranged on, the admission line fills with air-conditioning
The escape pipe connection put, supply fan and drier are set in the admission line, set in the discharge duct exhaust fan and
Drain tap, the Temperature Humidity Sensor, air pressure sensing gas, heater, supply fan and exhaust fan connect with the central controller
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610763168.7A CN106207817B (en) | 2016-08-31 | 2016-08-31 | A kind of fan of dry type transformer apparatus for examination and repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610763168.7A CN106207817B (en) | 2016-08-31 | 2016-08-31 | A kind of fan of dry type transformer apparatus for examination and repair |
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| CN106207817A CN106207817A (en) | 2016-12-07 |
| CN106207817B true CN106207817B (en) | 2018-02-13 |
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| CN108262712A (en) * | 2016-12-30 | 2018-07-10 | 广西电网有限责任公司河池供电局 | The convenient dismounting platform of oil-immersed pump |
| CN112147263B (en) * | 2020-09-16 | 2022-11-18 | 内蒙古电力(集团)有限责任公司内蒙古电力科学研究院分公司 | Full-automatic degasser |
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| US8390975B1 (en) * | 2010-05-21 | 2013-03-05 | Ashley Sue Ledbetter | Portable motorized frame remote racking tool |
| CN203200648U (en) * | 2013-03-20 | 2013-09-18 | 株洲时代新材料科技股份有限公司 | Beam falling resistant device with energy dissipation function and shock absorption function in longitudinal bridge direction and vertical direction |
| CN204077479U (en) * | 2014-09-11 | 2015-01-07 | 江西江铃汽车集团改装车有限公司 | Intelligent electric power metering inspection vehicle |
| CN105059170A (en) * | 2015-08-14 | 2015-11-18 | 国网山东东平县供电公司 | Multifunctional relay protection inspection vehicle |
| CN205344657U (en) * | 2016-03-03 | 2016-06-29 | 国网山东省电力公司鄄城县供电公司 | Novel electric power measurement that improves structure detects car |
| CN105896359A (en) * | 2016-06-20 | 2016-08-24 | 国网河南省电力公司检修公司 | Mobile square bin-based comprehensive maintenance system for combined electrical appliance |
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