CN105428015A - Transformer installation device radiating heat rapidly - Google Patents

Transformer installation device radiating heat rapidly Download PDF

Info

Publication number
CN105428015A
CN105428015A CN201610000758.4A CN201610000758A CN105428015A CN 105428015 A CN105428015 A CN 105428015A CN 201610000758 A CN201610000758 A CN 201610000758A CN 105428015 A CN105428015 A CN 105428015A
Authority
CN
China
Prior art keywords
main housing
housing case
wall portion
plane
door device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610000758.4A
Other languages
Chinese (zh)
Inventor
唐花女
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610000758.4A priority Critical patent/CN105428015A/en
Publication of CN105428015A publication Critical patent/CN105428015A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • H01F27/022Encapsulation
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/52Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
    • E05B65/5207Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
    • E05B65/5215Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding
    • E05B65/523Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding parallel to the surface on which the lock is mounted
    • E05B65/5238Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding parallel to the surface on which the lock is mounted parallel to the wing edge
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/06Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B2047/0014Constructional features of actuators or power transmissions therefor
    • E05B2047/0015Output elements of actuators
    • E05B2047/0016Output elements of actuators with linearly reciprocating motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Patch Boards (AREA)

Abstract

Provided is a transformer installation device radiating heat rapidly, used to surround and hold a transformer (208) in a closed manner. The device comprises a main holding housing (2) and a pivotal door device (209) which covers the opening of the main holding housing (2) in a removable manner. The first side edge of the pivotal door device (209) is hinged with the main holding housing (2), and the second side edge is connected with the main holding housing (2) in an open-close manner. The pivotal door device (209) is provided with a joining locking bolt device (20) on the second side edge in an up-down sliding manner. The joining locking bolt device is integrally provided with a locking hook (60) which faces the main holding housing (2) and is used to extend into a concave hole (200) of the wall portion of the main holding housing (2) and is joined with an inner side undercutting portion of the concave hole (200) through the tail end (601) of the hook, so as to realize to lock the pivotal door device (209) on the main holding housing (2).

Description

A kind of transformer erecting device of rapid heat dissipation
Technical field
The present invention relates to field transformer, especially a kind of transformer erecting device of rapid heat dissipation.
Background technology
In commercial Application, transformer is often arranged on on-the-spot to power.In order to ensure the running environment of transformer equipment, be usually placed in the special erecting device of transformer, such as transformer case.
The pivoted door device of this erecting device needs to be convenient to open to safeguard transformer equipment usually.Existing pivoted door device is opened and is often adopted articulated manner.But the locking of this pivoted door often adopts manually operated locking bolt to carry out, and this makes complicated operation, in addition, convenience and operation rapidity are restricted and affect.And in some power operated locking bolts application, due to reasons such as the stages that power runs, making operator be difficult to, clear and definite when locking bolt operation operation puts in place.
Summary of the invention
The object of the present invention is to provide a kind of transformer erecting device of rapid heat dissipation, it can overcome defect of the prior art.
According to the transformer erecting device of a kind of rapid heat dissipation of the present invention, for closure around and hold transformer, comprise main housing case and cover the pivoted door device of opening of described main housing case removedly, the first side of described pivoted door device is hinged on described main housing case, second side engages with described main housing case opening or closing, wherein, described pivoted door device can slide up and down to be provided with coalescing lock pin device at described second side place, described coalescing lock pin device is provided integrally with locking coupler body in order to stretch in the shrinkage pool in the wall portion of described main housing case and to be engaged with the inside undercut portion of described shrinkage pool by hook end and realize described pivoted door device to be locked on described main housing case towards described main housing case, the inner side of described pivoted door device is also provided with and drives recess in order to engage with drive block thus to be driven also along vertical direction and horizontal direction by described drive block and then make described locking coupler body unlock, the inner side place of described drive block is provided with and drives profile portion in order to coordinate with the coupling recess in the internal thread slide block of the screw drive by screw rod, described internal thread slide block can slide in the cavity in the described wall portion of described main housing case, it is wall portion blocking part between described cavity and described shrinkage pool, described driving profile portion is slidably matched with the recess inclined-plane of described coupling recess by protruding inclined-plane, contraction spring is connected with between described drive block and described internal thread slide block, the upper end of described contraction spring and described drive block are hinged by upper jointed shaft, lower end and described internal thread slide block are hinged by lower jointed shaft, when described driving profile portion is matched with in described coupling recess, the bearing of trend of described contraction spring is parallel with the bearing of trend on described protrusion inclined-plane and recess inclined-plane, when promoting described internal thread slide block under the driving of described screw rod at drive motors and sliding towards described wall portion blocking part, by the effect between described protrusion inclined-plane and recess inclined-plane, described drive block drives described coalescing lock pin device slide thus described hook end is disengaged with the inside undercut portion of described wall portion, now described drive block near the vertical sliding motion junction surface of the end of described wall portion blocking part against described wall portion blocking part side, when described internal thread slide block continues motion, the described protrusion inclined-plane of described drive block outwards slides relative to described recess inclined-plane, described pivoted door device is by the wall portion of pushing up from described main housing case thus the gap formed between the lateral surface of described wall portion thus, described drive motors outer surface is coated with radiating fin, the heat absorption produced when described radiating fin is in order to run described drive motors also dissipates, described radiating fin is provided with radiator fan, described radiator fan accelerates to dissipate in order to the heat absorbed by described radiating fin, radiating rate is fast, when preventing described drive motors long-play, temperature is too high and burn, roller is provided with bottom described main housing case, described roller is provided with four and is universal wheel, described roller is separately positioned on the right and left bottom described main housing case with every two one group, thus this transformer erecting device can be driven to move.
By such scheme, its promotion that can be realized pivoted door device by the power of the drive sources such as motor unlock and with the top of main housing case from separating, realize thus unlocking and realizing operator's perception pivoted door has intuitively been unlocked; Above two kinds of realizations only use the same power source, thus reduce equipment cost and are convenient to plant maintenance.The mechanical caging of pivoted door device can be realized by locking hooks thereon, and by pin device translation being promoted the unblock that can realize above-mentioned mechanical caging.By pivoted door device being lifted away from main housing case surface, can gap being produced thus make operator be convenient to direct feel and be convenient to manually easily pivoted door device be opened.By the contraction spring that the bearing of trend being arranged at inclined-plane is parallel, can guarantee drive block reset on bevel direction and can with the process controlling reseting movement under the cooperation of blocking part in reseting procedure.Whole device can significantly improve the security performance of operation and stable and reliable operation.
Accompanying drawing explanation
Fig. 1 is the structural representation at the locking position of a kind of transformer cabinet of the present invention, and now pivoted door device is in the lock state.
Fig. 2 is the view that the transformer cabinet in Fig. 1 has gone out of lock when engaging at hook end.
The view that Fig. 3 is transformer cabinet in Fig. 1 when pivoted door device is lifted away from the main housing case outer surface of rack by jack-up thus forms gap.
Fig. 4 is the close-up schematic view of the drive block position in Fig. 3.
Fig. 5 is the overall structure schematic diagram of a kind of transformer cabinet of the present invention.
Fig. 6 is that schematic diagram is looked on the left side in Fig. 5.
Embodiment
Below in conjunction with Fig. 1-6, the present invention is described in detail.
According to the transformer erecting device of a kind of rapid heat dissipation of embodiment, for closure around and hold transformer 208), comprise main housing case 2) and cover described main housing case 2 removedly) the pivoted door device 209 of opening), described pivoted door device 209) first side be hinged on described main housing case 2) on, second side opening or closing with described main housing case 2) engage, wherein, described pivoted door device 209) can slide up and down to coalescing lock pin device 20 is installed at described second side place), described coalescing lock pin device is towards described main housing case 2) and be provided integrally with locking coupler body 60) in order to stretch into described main housing case 2) and wall portion in shrinkage pool 200) in and by hook end 601) with described shrinkage pool 200) inside undercut portion engage and realize described pivoted door device 209) be locked in described main housing case 2) on, described pivoted door device 209) inner side be also provided with drive recess 309) in order to drive block 30) engages thus by described drive block 30) to drive also along vertical direction and horizontal direction and then to make described locking coupler body 60) unlock, described drive block 30) inner side place be provided with drive profile portion 303) in order to by screw rod 50) and the internal thread slide block 40 of screw drive) in coupling recess 402) coordinate, described internal thread slide block 40) can at described main housing case 2) described wall portion in cavity 500) in slide, described cavity 500) and described shrinkage pool 200) between be wall portion blocking part 250), described driving profile portion 303) by protrude inclined-plane 3031) and with described coupling recess 402) recess inclined-plane 4021) be slidably matched, described drive block 30) and described internal thread slide block 40) between be connected with contraction spring 431), described contraction spring 431) upper end and described drive block 30) by upper jointed shaft 301) and hinged, lower end and described internal thread slide block 40) by lower jointed shaft 401) and hinged, when described driving profile portion 303) be matched with described coupling recess 402) in time described contraction spring 431) bearing of trend and described protrusion inclined-plane 3031) and recess inclined-plane 4021) bearing of trend parallel, when described screw rod 50) at drive motors 501) driving under and promote described internal thread slide block 40) towards described wall portion blocking part 250) slide time, by described protrusion inclined-plane 3031) and recess inclined-plane 4021) between effect, described drive block 30) drive described coalescing lock pin device 20) slide thus make described hook end 601) be disengaged with the inside undercut portion of described wall portion, now described drive block 30) near described wall portion blocking part 250) the vertical sliding motion junction surface 302 of end) against described wall portion blocking part 250) side, when described internal thread slide block 40) continue motion time, described drive block 30) described protrusion inclined-plane 3031) relative to described recess inclined-plane 4021) outwards slide, described pivoted door device 209 thus) by top from described main housing case 2) wall portion thus formed with the lateral surface of described wall portion between gap 600), described drive motors 501) outer surface is coated with radiating fin 5011), described radiating fin 5011) in order to by described drive motors 501) heat absorption that produces when running dissipating, described radiating fin 5011) be provided with radiator fan 5012), described radiator fan 5012) in order to by described radiating fin 5011) heat that absorbs accelerates to dissipate, radiating rate is fast, prevent described drive motors 501) long-play time temperature too high and burn, described main housing case 2) bottom be provided with roller 2011), described roller 2011) be provided with four and be universal wheel, described roller 2011) be separately positioned on described main housing case 2 with every two one group) bottom the right and left, thus this transformer erecting device can be driven to move.
Alternatively, described coalescing lock pin device 20) at described pivoted door device 209) door body embedding groove in, and described coalescing lock pin device 20) lateral surface can engage described main housing case 2) the lateral surface of wall portion.
Alternatively, wherein, described transformer erecting device comprises two internal threads slide blocks 40) and drive block 30), often pair is positioned at described main housing case 2) the position, the upper side and lower side of wall portion.
The number of described internal thread slide block can correspondingly according to the quantity of lock hook be determined.When having multiple internal thread slide block, described drive motors can adopt the form driving multiple driven member, such as multiple above-mentioned gear or belt pulley or sprocket wheel etc.
Its promotion that can be realized pivoted door device by the power of the drive sources such as motor unlock and with the top of main housing case from separating, realize thus unlocking and realizing operator's perception pivoted door has intuitively been unlocked; Above two kinds of realizations only use the same power source, thus reduce equipment cost and are convenient to plant maintenance.The mechanical caging of pivoted door device can be realized by locking hooks thereon, and by pin device translation being promoted the unblock that can realize above-mentioned mechanical caging.By pivoted door device being lifted away from main housing case surface, can gap being produced thus make operator be convenient to direct feel and be convenient to manually easily pivoted door device be opened.By the contraction spring that the bearing of trend being arranged at inclined-plane is parallel, can guarantee drive block reset on bevel direction and can with the process controlling reseting movement under the cooperation of blocking part in reseting procedure.
By with upper type, those skilled in the art can make various change according to mode of operation within the scope of the invention.

Claims (3)

1. the transformer erecting device of a rapid heat dissipation, for closure around and hold transformer (208), comprise main housing case (2) and cover the pivoted door device (209) of opening of described main housing case (2) removedly, the first side of described pivoted door device (209) is hinged on described main housing case (2), second side engages with described main housing case (2) opening or closing, wherein, described pivoted door device (209) can slide up and down to be provided with coalescing lock pin device (20) at described second side place, described coalescing lock pin device is provided integrally with locking coupler body (60) and realizes described pivoted door device (209) to be locked on described main housing case (2) in order to interior also the joint with the inside undercut portion of described shrinkage pool (200) by hook end (601) of shrinkage pool (200) stretched in the wall portion of described main housing case (2) towards described main housing case (2), the inner side of described pivoted door device (209) is also provided with and drives recess (309) in order to engage with drive block (30) thus to be driven also along vertical direction and horizontal direction by described drive block (30) and then make described locking coupler body (60) unlock, the inner side place of described drive block (30) is provided with and drives profile portion (303) in order to coordinate with the coupling recess (402) by screw rod (50) in the internal thread slide block (40) of screw drive, described internal thread slide block (40) can be slided in the cavity (500) in the described wall portion of described main housing case (2), be wall portion blocking part (250) between described cavity (500) and described shrinkage pool (200), described driving profile portion (303) is slidably matched with the recess inclined-plane (4021) of described coupling recess (402) by protruding inclined-plane (3031), contraction spring (431) is connected with between described drive block (30) and described internal thread slide block (40), upper end and the described drive block (30) of described contraction spring (431) are hinged by upper jointed shaft (301), lower end and described internal thread slide block (40) hinged by lower jointed shaft (401), when described driving profile portion (303) is matched with in described coupling recess (402), the bearing of trend of described contraction spring (431) is parallel with the bearing of trend of described protrusion inclined-plane (3031) and recess inclined-plane (4021), when described screw rod (50) promotes described internal thread slide block (40) towards described wall portion blocking part (250) slip under the driving of drive motors (501), by the effect between described protrusion inclined-plane (3031) and recess inclined-plane (4021), described drive block (30) drives described coalescing lock pin device (20) slide thus described hook end (601) is disengaged with the inside undercut portion of described wall portion, now the vertical sliding motion junction surface (302) of the end of the close described wall portion blocking part (250) of described drive block (30) is against described wall portion blocking part (250) side, when described internal thread slide block (40) continues motion, the described protrusion inclined-plane (3031) of described drive block (30) is outwards slided relative to described recess inclined-plane (4021), thus described pivoted door device (209) by top from described main housing case (2) wall portion thus formed with the lateral surface of described wall portion between gap (600), described drive motors (501) outer surface is coated with radiating fin (5011), the heat absorption produced when described radiating fin (5011) is in order to run described drive motors (501) also dissipates, described radiating fin (5011) is provided with radiator fan (5012), described radiator fan (5012) accelerates to dissipate in order to the heat absorbed by described radiating fin (5011), radiating rate is fast, when preventing described drive motors (501) long-play, temperature is too high and burn, described main housing case (2) bottom is provided with roller (2011), described roller (2011) is provided with four and is universal wheel, described roller (2011) is separately positioned on the right and left of described main housing case (2) bottom with every two one group, thus this transformer erecting device can be driven to move.
2. the transformer erecting device of a kind of rapid heat dissipation as claimed in claim 1, described coalescing lock pin device (20) is in the embedding groove of the door body of described pivoted door device (209), and the lateral surface of described coalescing lock pin device (20) can engage the lateral surface of the wall portion of described main housing case (2).
3. the transformer erecting device of a kind of rapid heat dissipation as claimed in claim 1 or 2, wherein, described transformer erecting device comprises two internal threads slide blocks (40) and drive block (30), often pair of position, the upper side and lower side being positioned at the wall portion of described main housing case (2).
CN201610000758.4A 2016-01-04 2016-01-04 Transformer installation device radiating heat rapidly Pending CN105428015A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610000758.4A CN105428015A (en) 2016-01-04 2016-01-04 Transformer installation device radiating heat rapidly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610000758.4A CN105428015A (en) 2016-01-04 2016-01-04 Transformer installation device radiating heat rapidly

Publications (1)

Publication Number Publication Date
CN105428015A true CN105428015A (en) 2016-03-23

Family

ID=55506157

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610000758.4A Pending CN105428015A (en) 2016-01-04 2016-01-04 Transformer installation device radiating heat rapidly

Country Status (1)

Country Link
CN (1) CN105428015A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106286490A (en) * 2016-08-10 2017-01-04 梁文辉 A kind of fixing equipment and the fastening assembly of easy accessibility
CN108237040A (en) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 A kind of novel cable bridge production equipment
CN108237041A (en) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 A kind of follow-on cable bridge production equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2550459Y (en) * 2002-07-19 2003-05-14 赵明桥 Anti-prick lock for multiple door and window
CN2926425Y (en) * 2006-06-29 2007-07-25 上海置信电气股份有限公司 Lock box of transformer cased door
US20090267466A1 (en) * 2008-04-28 2009-10-29 Meter Devices Company, Inc. Primary enclosure for electric power meters
CN104966999A (en) * 2015-06-29 2015-10-07 上虞市亚都电子科技有限公司 Power distribution cabinet with left limiting sensor and right limiting sensor
CN205487621U (en) * 2016-01-04 2016-08-17 陈艳萍 Fast transformer installation device dispels heat

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2550459Y (en) * 2002-07-19 2003-05-14 赵明桥 Anti-prick lock for multiple door and window
CN2926425Y (en) * 2006-06-29 2007-07-25 上海置信电气股份有限公司 Lock box of transformer cased door
US20090267466A1 (en) * 2008-04-28 2009-10-29 Meter Devices Company, Inc. Primary enclosure for electric power meters
CN104966999A (en) * 2015-06-29 2015-10-07 上虞市亚都电子科技有限公司 Power distribution cabinet with left limiting sensor and right limiting sensor
CN205487621U (en) * 2016-01-04 2016-08-17 陈艳萍 Fast transformer installation device dispels heat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106286490A (en) * 2016-08-10 2017-01-04 梁文辉 A kind of fixing equipment and the fastening assembly of easy accessibility
CN106286490B (en) * 2016-08-10 2018-01-30 重庆愚吉机械制造有限公司 A kind of fastening assembly of fixed equipment and convenient disassembly
CN108237040A (en) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 A kind of novel cable bridge production equipment
CN108237041A (en) * 2017-12-01 2018-07-03 广州冠松电力科技有限公司 A kind of follow-on cable bridge production equipment

Similar Documents

Publication Publication Date Title
CN105428024A (en) Transformer installation device capable of running stably
CN105430974A (en) Adjustable computer cabinet with solar energy to provide power
CN105428015A (en) Transformer installation device radiating heat rapidly
CN105428020A (en) Noise-reduction transformer installing device in adjustable speed
CN205487621U (en) Fast transformer installation device dispels heat
CN105428018A (en) Transformer installing device in high security
CN105428012A (en) Improved transformer installation device
CN105428017A (en) Control system for transformer installing device
CN205487617U (en) Transformer installation device with antivibration function
CN105428019A (en) Novel transformer installation device
CN205376246U (en) Follow -on transformer installation device
CN105513750A (en) Transformer installation device with sliding chute
CN105428016A (en) Vibration-proof transformer installing device in adjustable speed
CN205487623U (en) Speed is adjustable and vibration -proof transformer installation device
CN205485804U (en) Can portable computer cabinet of quick refrigerated
CN205487624U (en) Transformer installation device's control system
CN205491496U (en) Heat dissipation type computer cabinet of solar energy power supply
CN105489348A (en) Convenient and rapid transformer mounting apparatus
CN105428011A (en) Transformer installing device with adjustable speed
CN105448473A (en) Transformer installation device
CN105464515A (en) Computer cabinet control system
CN105428013A (en) Transformer installing device with anti-vibration function
CN105430977A (en) Quickly-cooled computer cabinet
CN105428021A (en) Movable transformer installation device
CN105469936A (en) Transformer mounting apparatus provided with rolling ball

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160323

RJ01 Rejection of invention patent application after publication