CN103612588B - Compartment type electric power field test car - Google Patents
Compartment type electric power field test car Download PDFInfo
- Publication number
- CN103612588B CN103612588B CN201310632271.4A CN201310632271A CN103612588B CN 103612588 B CN103612588 B CN 103612588B CN 201310632271 A CN201310632271 A CN 201310632271A CN 103612588 B CN103612588 B CN 103612588B
- Authority
- CN
- China
- Prior art keywords
- test
- compartment
- transformer
- car
- workplatform
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 115
- 239000010720 hydraulic oil Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 2
- 238000003032 molecular docking Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000282326 Felis catus Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a kind of compartment type electric power field test car, comprise car load and compartment, compartment comprises test area and operational zone, in operational zone, control housing is installed, mutual-inductor tester, voltage load box and pressure regulator are installed in control housing, in test area, lifting mechanism is installed, lifting mechanism top is provided with workplatform, workplatform is provided with test transformer and standard potential transformer assembly and compensation reactor, the position of the corresponding test transformer of car body top and standard potential transformer assembly is provided with skylight.By adding lifting mechanism in workplatform bottom surface, so only need control lifting mechanism stretches out car outward by the sleeve pipe of test transformer and standard potential transformer assembly with upper part, and without the need to laying track test transformer and standard potential transformer assembly integral shifted out outside compartment on carriage back door, thus the position solved because adjusting between workplatform and test specimen and the ineffective problem caused.Be applicable to the calibrating of transformer.
Description
Technical field
The present invention relates to power domain, particularly relate to a kind of compartment type electric power field test car.
Background technology
Before the present invention proposes, general compartment type electric power field test car comprises operator's compartment and compartment, workplatform is slidably fitted with by track in compartment, the carriage back door back side be equipped with can with the track of the orbital docking in compartment, this workplatform is provided with various test instrument and equipment (as GIS formula test transformer and standard potential transformer total etc., wherein GIS is the abbreviation of GasInsulationSwitchgear, Chinese is translated into " gas-insulated switchgear device ", also referred to as " fully closed combined electric unit ").When this test car uses: first, carriage back door is opened, and make the track on carriage back door and the orbital docking in compartment; Then, workplatform is moved to (to ensure that the sleeve pipe of GIS formula test transformer and standard potential transformer assembly is exposed to outside compartment completely with upper part) on the track on carriage back door; Then, around this car, circle makes a circle work safety region; Finally, the situ metrology certification test of transformer can just be started.In use there is following problem in this test car:
1, because testing ground needs to adjust the position between workplatform and test specimen usually, so adjust position at every turn, launch after all needing workplatform and carriage back door all to pack up, work efficiency is extremely low again;
2, just can test because workplatform need move to outside compartment, so this test car need take larger test space;
3, due to before on-test, for ensuring safety, the work safety region that makes a circle need be enclosed always at GIS formula test transformer and standard potential transformer, so further increase the floor area of this test car, and in practical work process, often there will be and need carry out the situation of operation at relatively narrow space, like this, this test car just cannot be suitable for;
4, the very time-consuming and poor reliability of the track on carriage back door and the orbital docking in compartment;
5, because the various test instrument and equipment weight on workplatform are comparatively large, so the easy deformation in compression of carriage back door.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, providing a kind of work efficiency high and the compartment type electric power field test car that floor area is little.
In order to realize above object, a kind of compartment type electric power field test car provided by the invention, comprise car load and compartment, described compartment comprises test area and operational zone, in described operational zone, control housing is installed, in described control housing, mutual-inductor tester is installed, voltage load box and pressure regulator, in described test area, lifting mechanism is installed, described lifting mechanism top is provided with workplatform, described workplatform is provided with test transformer and standard potential transformer assembly and compensation reactor, the position of the corresponding described test transformer of described car body top and standard potential transformer assembly is provided with the skylight for being stretched out with upper part by the sleeve pipe of described test transformer and standard potential transformer assembly outside car.By adding lifting mechanism in workplatform bottom surface, so only need control described lifting mechanism stretches out car outward by the sleeve pipe of described test transformer and standard potential transformer assembly with upper part, and on carriage back door, lay the track described test transformer and standard potential transformer assembly integral shifted out outside compartment without the need to extra, thus the position solved because adjusting between workplatform and test specimen and the ineffective problem caused; Meanwhile, because workplatform is without the need to moving to outside compartment, so the floor area of this test car is little; And this test car, without the need to the work safety region that makes a circle at vehicle periphery circle, is applicable to relatively narrow working space; Again and, due to without the need to laying the track described test transformer and standard potential transformer assembly integral shifted out outside compartment on carriage back door, so there is not the problem of orbital docking time-consuming and poor reliability and the easy deformation in compression of carriage back door in this laboratory vehicle.
In such scheme, described lifting mechanism comprises hydraulic ram and hydraulic oil pump, described hydraulic ram is vertically arranged on the base plate of described test area, the telescopic end of described hydraulic ram is connected with described workplatform, the hydraulic oil port of described hydraulic ram is communicated with described hydraulic oil pump, and the control circuit of described hydraulic oil pump is connected with described control housing.
In such scheme, described skylight comprises power moonroof body and for monitoring the monitor whether described power moonroof body is opened completely, described monitor is arranged on the window frame in described skylight, and the control circuit of described monitor is connected with described control housing.The interlock of described skylight and described lifting mechanism can be realized by the monitor added, avoid described test transformer and standard potential transformer assembly and skylight and collide.
In such scheme, described monitor is proximity switch.
In such scheme, described compartment is arranged on described car load by catch gear.This design makes described compartment overall to disassemble from described car load, and like this, described compartment can be tested or research for other separately, and described car load also can independently use, and improves the degree of utilization of this test car, has saved resource.
In such scheme, described catch gear comprises the bayonet socket be arranged on compartment, the rotating shaft clamp matched with described bayonet socket and clamp handle, the rotating position being arranged on corresponding described bayonet socket on described car load of described rotating shaft clamp, described clamp handle divides with the shaft of rotating shaft clamp and is connected.
In such scheme, described compartment side bottom is provided with several accessory cases, and this accessory case can be used for installing other equipment or apparatus.
In such scheme, standard current transformer device and current lifting device are installed in described accessory case, current loading case is installed in described control housing.The standard current transformer device added, current lifting device and current loading case can coordinate described mutual-inductor tester and pressure regulator to do current transformer checking experiment.
In such scheme, between described test area and operational zone, be provided with partition.
In such scheme, described mutual-inductor tester is very fast mutual-inductor tester, and described test transformer and standard potential transformer assembly are GIS formula test transformer and standard potential transformer assembly.
The present invention is compared with the prior art, and fully its preceence of display is:
1, by adding lifting mechanism in workplatform bottom surface, so only need control described lifting mechanism stretches out car outward by the sleeve pipe of described test transformer and standard potential transformer assembly with upper part, and on carriage back door, lay the track described test transformer and standard potential transformer assembly integral shifted out outside compartment without the need to extra, thus the position solved because adjusting between workplatform and test specimen and the ineffective problem caused;
2, because workplatform is without the need to moving to outside compartment, so the floor area of this test car is little;
3, this test car is without the need to the work safety region that makes a circle at vehicle periphery circle, is applicable to relatively narrow working space;
4, due to without the need to laying the track described test transformer and standard potential transformer assembly integral shifted out outside compartment on carriage back door, so there is not the problem of orbital docking time-consuming and poor reliability and the easy deformation in compression of carriage back door in this laboratory vehicle;
5, the monitor by adding can realize the interlock of described skylight and described lifting mechanism, avoids described test transformer and standard potential transformer assembly and skylight and collides;
6, the catch gear by adding makes described compartment overall to disassemble from described car load, and like this, described compartment can be tested or research for other separately, and described car load also can independently use, and improves the degree of utilization of this test car, has saved resource;
7, the standard current transformer device added, current lifting device and current loading case can coordinate described mutual-inductor tester and pressure regulator to do current transformer checking experiment.
The present invention has that structure is simple, and floor area is little, easy and safe to operate, work efficiency is high and the advantages such as good reliability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is backsight structural representation of the present invention;
Fig. 3 is structural representation when catch gear is in released state in Fig. 2;
Fig. 4 is planar layout structure schematic diagram of the present invention;
Fig. 5 is the partial enlargement structural representation in A portion in Fig. 2;
Fig. 6 is the partial enlargement structural representation in B portion in Fig. 3.
In figure, car load 1, compartment 2, test area 2a, lifting mechanism 2a1, hydraulic ram 2a1a, hydraulic oil pump 2a1b, workplatform 2a2, test transformer and standard potential transformer assembly 2a3, compensation reactor 2a4, operational zone 2b, control housing 2b1, mutual-inductor tester 2b2, voltage load box 2b3, pressure regulator 2b4, current loading case 2b5, cuts off 2c, skylight 3, power moonroof body 3a, monitor 3b, catch gear 4, bayonet socket 4a, rotating shaft clamp 4b, clamp handle 4c, compressing member 4d, accessory case 5, standard current transformer device 5a, current lifting device 5b.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
As shown in Figure 1, the present embodiment provides a kind of compartment type electric power field test car, comprise car load 1 and compartment 2, described compartment 2 comprises test area 2a and operational zone 2b, in described operational zone 2b, control housing 2b1 is installed, in described control housing 2b1, mutual-inductor tester 2b2 is installed, voltage load box 2b3 and pressure regulator 2b4, in described test area 2a, lifting mechanism 2a1 is installed, described lifting mechanism 2a1 top is provided with workplatform 2a2, described workplatform 2a2 is provided with test transformer and standard potential transformer assembly 2a3 and compensation reactor 2a4, the position of the corresponding described test transformer in top, described compartment 2 and standard potential transformer assembly 2a3 is provided with the skylight 3 for being stretched out with upper part by the sleeve pipe of described test transformer and standard potential transformer assembly 2a3 outside car.By adding lifting mechanism 2a1 in workplatform 2a2 bottom surface, so only need control described lifting mechanism 2a1 stretches out car outward by the sleeve pipe of described test transformer and standard potential transformer assembly 2a3 with upper part, and described test transformer and standard potential transformer assembly 2a3 entirety are shifted out track outside compartment 2 without the need to extra laying on carriage back door, thus the position solved because adjusting between workplatform 2a2 and test specimen and the ineffective problem that causes; Meanwhile, because workplatform 2a2 is without the need to moving to outside compartment 2, so the floor area of this test car is little; And this test car, without the need to the work safety region that makes a circle at vehicle periphery circle, is applicable to relatively narrow working space; Again and, owing to described test transformer and standard potential transformer assembly 2a3 entirety being shifted out track outside compartment 2 without the need to laying on carriage back door, so there is not the problem of orbital docking time-consuming and poor reliability and the easy deformation in compression of carriage back door in this laboratory vehicle.
Above-mentioned lifting mechanism 2a1 comprises hydraulic ram 2a1a and hydraulic oil pump 2a1b, described hydraulic ram 2a1a is vertically arranged on the base plate of described test area 2a, the telescopic end of described hydraulic ram 2a1a is connected with described workplatform 2a2, the hydraulic oil port of described hydraulic ram 2a1a is communicated with described hydraulic oil pump 2a1b, and the control circuit of described hydraulic oil pump 2a1b is connected with described control housing 2b1.
Above-mentioned skylight 3 comprises power moonroof body 3a and for monitoring the monitor 3b whether described power moonroof body 3a opens completely, described monitor 3b is arranged on the window frame in described skylight 3, and the control circuit of described monitor 3b is connected with described control housing 2b1.Described skylight 3 and the interlock of described lifting mechanism 2a1 can be realized by the monitor 3b added, avoid described test transformer and standard potential transformer assembly 2a3 and skylight 3 and collide.Described monitor 3b is proximity switch.
Above-mentioned compartment 2 is arranged on described car load 1 by catch gear 4.This design makes described compartment 2 overall to disassemble from described car load 1, and like this, described compartment 2 can be tested or research for other separately, and described car load also can independently use, and improves the degree of utilization of this test car, has saved resource.Described catch gear 4 is arranged in the corner place in described compartment 2.Described catch gear 4 comprises the bayonet socket 4a be arranged on compartment 2, the rotating shaft clamp 4b matched with described bayonet socket 4a and clamp handle 4c, the rotating position being arranged on corresponding described bayonet socket 4a on described car load 1 of described rotating shaft clamp 4b, described clamp handle 4c divides with the shaft of rotating shaft clamp 4b and is connected.When described catch gear 4 is in locking station, on described car load 1, the position of corresponding clamp handle 4c is provided with the compressing member 4d for preventing described clamp handle 4c from loosening.
Above-mentioned compartment 2 side bottom is provided with several accessory cases 5, and this accessory case 5 can be used for installing other equipment or apparatus.Standard current transformer device 5a and current lifting device 5b is installed in described accessory case 5, current loading case 2b5 is installed in described control housing 2b1.The standard current transformer device 5a, the current lifting device 5b that add and current loading case 2b5 can coordinate described mutual-inductor tester 2b2 and pressure regulator 2b4 to do current transformer checking experiment.
Be provided with between above-mentioned test area 2a and operational zone 2b and cut off 2c.Described mutual-inductor tester 2b2 is very fast mutual-inductor tester, and described test transformer and standard potential transformer assembly 2a3 are GIS formula test transformer and standard potential transformer assembly.
This test car can install double swivel chair and work top etc., to facilitate testing crew test operation in described operational zone 2b.This test car also can arrange cat ladder at the rear portion in compartment 2, and in compartment, end face arranges fence, to facilitate testing crew wiring and maintenance.This test car also can add ancillary system, as room light lamp, field lighting lamp, lifting illumination lamp, video monitoring system, overhead air conditioner, exhales the system of singing, external source input port and electric cable coil (power and ground) etc.
By above configuration, make this test car can complete the voltage and current test of mutual inductor field detecting safely, accurately, fast, efficiently.
When the present invention carries out mutual inductor field detecting voltage test:
First, described skylight 3 is opened completely; Then, control described lifting mechanism 2a1 and the sleeve pipe of described test transformer and standard potential transformer assembly 2a3 is stretched out outside car with upper part, and arrive experimental safe distance; Finally, carry out test connection and test operation, complete mutual inductor field detecting voltage test.
When the present invention carries out mutual inductor field detecting current testing:
First, the door-plate of the accessory case 5 that standard current transformer device 5a and current lifting device 5b are housed is opened; Then the slide tray being mounted with standard current transformer device 5a and current lifting device 5b is hauled out in described accessory case 5; Finally, carry out test connection and test operation, complete mutual inductor field detecting current testing.
The present invention is by adding lifting mechanism 2a1 in workplatform 2a2 bottom surface, so only need control described lifting mechanism 2a1 stretches out car outward by the sleeve pipe of described test transformer and standard potential transformer assembly 2a3 with upper part, and described test transformer and standard potential transformer assembly 2a3 entirety are shifted out track outside compartment 2 without the need to extra laying on carriage back door, thus the position solved because adjusting between workplatform 2a2 and test specimen and the ineffective problem that causes; Because workplatform is without the need to moving to outside compartment 2, so the floor area of this test car is little; This test car, without the need to the work safety region that makes a circle at vehicle periphery circle, is applicable to relatively narrow working space; Owing to described test transformer and standard potential transformer assembly 2a3 entirety being shifted out track outside compartment 2 without the need to laying on carriage back door, so there is not the problem of orbital docking time-consuming and poor reliability and the easy deformation in compression of carriage back door in this laboratory vehicle; Described skylight 3 and the interlock of described lifting mechanism 2a1 can be realized by the monitor 3b added, avoid described test transformer and standard potential transformer assembly 2a3 and skylight 3 and collide; By the catch gear 4 added, described compartment 2 can overall be disassembled from described car load 1, like this, described compartment 2 can be tested or research for other separately, and described car load also can independently use, and improves the degree of utilization of this test car, has saved resource; The standard current transformer device 5a, the current lifting device 5b that add and current loading case 2b5 can coordinate described mutual-inductor tester 2b2 and pressure regulator 2b4 to do current transformer checking experiment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a compartment type electric power field test car, comprise car load (1) and compartment (2), described compartment (2) comprises test area (2a) and operational zone (2b), control housing (2b1) is installed in described operational zone (2b), mutual-inductor tester (2b2) is installed in described control housing (2b1), voltage load box (2b3) and pressure regulator (2b4), it is characterized in that, lifting mechanism (2a1) is installed in described test area (2a), described lifting mechanism (2a1) top is provided with workplatform (2a2), described workplatform (2a2) is provided with test transformer and standard potential transformer assembly (2a3) and compensation reactor (2a4), the position of the corresponding described test transformer in described compartment (2) top and standard potential transformer assembly (2a3) is provided with the skylight (3) for being stretched out with upper part by the sleeve pipe of described test transformer and standard potential transformer assembly (2a3) outside car, described lifting mechanism (2a1) comprises hydraulic ram (2a1a) and hydraulic oil pump (2a1b), described hydraulic ram (2a1a) is vertically arranged on the base plate of described test area (2a), the telescopic end of described hydraulic ram (2a1a) is connected with described workplatform (2a2), the hydraulic oil port of described hydraulic ram (2a1a) is communicated with described hydraulic oil pump (2a1b), and the control circuit of described hydraulic oil pump (2a1b) is connected with described control housing (2b1), described skylight (3) comprises power moonroof body (3a) and for monitoring the monitor (3b) whether described power moonroof body (3a) opens completely, described monitor (3b) is arranged on the window frame of described skylight (3), and the control circuit of described monitor (3b) is connected with described control housing (2b1), described monitor (3b) is proximity switch, described compartment (2) is arranged on described car load (1) by catch gear (4).
2. compartment type electric power field test car according to claim 1, it is characterized in that, described catch gear (4) comprises the bayonet socket (4a) be arranged on compartment (2), the rotating shaft clamp (4b) matched with described bayonet socket (4a) and clamp handle (4c), the rotating position being arranged on the upper corresponding described bayonet socket (4a) of described car load (1) of described rotating shaft clamp (4b), described clamp handle (4c) divides with the shaft of rotating shaft clamp (4b) and is connected.
3. compartment type electric power field test car according to claim 1, it is characterized in that, described compartment (2) side bottom is provided with several accessory cases (5).
4. compartment type electric power field test car according to claim 3, it is characterized in that, standard current transformer device (5a) and current lifting device (5b) are installed in described accessory case (5), current loading case (2b5) is installed in described control housing (2b1).
5. compartment type electric power field test car according to claim 1, is characterized in that, be provided with partition (2c) between described test area (2a) and operational zone (2b).
6. compartment type electric power field test car according to claim 1, it is characterized in that, described mutual-inductor tester (2b2) is very fast mutual-inductor tester, and described test transformer and standard potential transformer assembly (2a3) are GIS formula test transformer and standard potential transformer assembly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310632271.4A CN103612588B (en) | 2013-11-29 | 2013-11-29 | Compartment type electric power field test car |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310632271.4A CN103612588B (en) | 2013-11-29 | 2013-11-29 | Compartment type electric power field test car |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103612588A CN103612588A (en) | 2014-03-05 |
CN103612588B true CN103612588B (en) | 2016-04-20 |
Family
ID=50163319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310632271.4A Active CN103612588B (en) | 2013-11-29 | 2013-11-29 | Compartment type electric power field test car |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN103612588B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105158522B (en) * | 2015-07-20 | 2018-07-17 | 国家电网公司 | The plug-type bicyclic grading shield device of 1000kV voltage power transformer calibration cars |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101561482A (en) * | 2009-05-22 | 2009-10-21 | 苏州市华电电气技术有限公司 | Electric power transformer field calibration vehicle |
CN101986163A (en) * | 2010-08-23 | 2011-03-16 | 上海思创电器设备有限公司 | Field high-voltage dielectric-loss test vehicle for power equipment |
CN202110270U (en) * | 2011-04-27 | 2012-01-11 | 国网电力科学研究院 | Integrated standard device for on-site inspection of super/ extra high voltage constant-voltage transformer (CVT) |
CN203637650U (en) * | 2013-11-29 | 2014-06-11 | 国家电网公司 | Electric on-site test truck with carriage |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003011718A (en) * | 2001-07-04 | 2003-01-15 | Toshiba Corp | Mobile vehicle loaded with high voltage test device |
-
2013
- 2013-11-29 CN CN201310632271.4A patent/CN103612588B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101561482A (en) * | 2009-05-22 | 2009-10-21 | 苏州市华电电气技术有限公司 | Electric power transformer field calibration vehicle |
CN101986163A (en) * | 2010-08-23 | 2011-03-16 | 上海思创电器设备有限公司 | Field high-voltage dielectric-loss test vehicle for power equipment |
CN202110270U (en) * | 2011-04-27 | 2012-01-11 | 国网电力科学研究院 | Integrated standard device for on-site inspection of super/ extra high voltage constant-voltage transformer (CVT) |
CN203637650U (en) * | 2013-11-29 | 2014-06-11 | 国家电网公司 | Electric on-site test truck with carriage |
Also Published As
Publication number | Publication date |
---|---|
CN103612588A (en) | 2014-03-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101515012B (en) | External mounted electric combined test car | |
WO2015074538A1 (en) | Automatic unfolding type on-site calibration vehicle for high-voltage transformers | |
CN102343854B (en) | Alternating-current voltage-withstanding test vehicle for power cable | |
CN103552495B (en) | Automatic unfolding high-voltage mutual inductor on-site proving car | |
CN103612588B (en) | Compartment type electric power field test car | |
CN203637650U (en) | Electric on-site test truck with carriage | |
CN201382983Y (en) | Outside-fitted type comprehensive power test vehicle | |
CN106274620A (en) | A kind of scalable, upset and the compartment of horizontal sliding | |
CN106965735A (en) | A kind of wing opens expansion partial discharge pressure test car | |
CN103592614B (en) | A kind of van-type electric power mutual-inductor nigration platform | |
CN205449503U (en) | Aeroengine measurement and control device | |
CN205104981U (en) | Take suspension arm device's supply vehicle | |
CN203032515U (en) | On-site measurement verification vehicle for transformer | |
CN203020143U (en) | Power equipment comprehensive live detention vehicle | |
CN210697672U (en) | Special emergency CT device | |
CN103630783A (en) | Mobile detection device of transformer equipment | |
CN112977251A (en) | Aircraft fuelling vehicle | |
CN206171278U (en) | Carriage of scalable, upset and flat push | |
CN210363538U (en) | Open-air removal telemetry station | |
CN202130359U (en) | Relay protection checkout vehicle | |
CN102785603A (en) | Extra-high voltage power transformer calibration car | |
CN204488603U (en) | A kind of combined power inspection vehicle of height integrated modular | |
CN102285334B (en) | Extra-high voltage alternating current withstand voltage test vehicle | |
CN103625346B (en) | Switch cubicle kind equipment movable type detection device | |
CN202115411U (en) | Ultrahigh voltage alternating current withstand voltage test vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |