CN203909227U - 220kV and 330kV insulation tool AC high-voltage holding test device - Google Patents

220kV and 330kV insulation tool AC high-voltage holding test device Download PDF

Info

Publication number
CN203909227U
CN203909227U CN201420314410.9U CN201420314410U CN203909227U CN 203909227 U CN203909227 U CN 203909227U CN 201420314410 U CN201420314410 U CN 201420314410U CN 203909227 U CN203909227 U CN 203909227U
Authority
CN
China
Prior art keywords
insulation
insulating tool
clamping plate
alternating current
voltage withstand
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.)
Expired - Fee Related
Application number
CN201420314410.9U
Other languages
Chinese (zh)
Inventor
冯庆国
李将亮
李志永
张鑫
茹秋实
周顺学
海世杰
张宏星
徐立庆
马丽
何斌
刘晓平
张建
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.)
State Grid Corp of China SGCC
State Grid Gansu Electric Power Co Ltd
Maintenace Co of State Grid Anhui Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Gansu Electric Power Co Ltd
Maintenace Co of State Grid Anhui Electric Power Co Ltd
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 State Grid Corp of China SGCC, State Grid Gansu Electric Power Co Ltd, Maintenace Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420314410.9U priority Critical patent/CN203909227U/en
Application granted granted Critical
Publication of CN203909227U publication Critical patent/CN203909227U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Testing Relating To Insulation (AREA)

Abstract

Disclosed is a 220kV and 330kV insulation tool AC high-voltage holding test device. The device comprises an elevating unit, two clamp plate electrodes and a grounding unit. The elevating unit comprises four elevating supports that are disposed on the ground and arranged in a 2 X 2 order. The two clamp plate electrodes are respectively disposed at the top parts of the front row and the back row of the elevating supports. Each elevating support comprises a base, and a height adjusting insulation pole disposed on the base. The upper end of the height adjusting insulation pole is provided with a support plate. One end of the grounding unit is connected to the support plates and the other end of the grounding unit is connected to chassises of the elevating supports where the support plates are disposed. The device further comprises two insulation step stools made of nonsaturated resin. With a 500kV test transformer, the device enables large-batch 220 kV and 330 kV insulation tool AC high-voltage holding tests, so as to ease labor intensity of workers, and improve working efficiency.

Description

220kV and 330kV insulating tool alternating current voltage withstand testing device
Technical field
The utility model relates to a kind of device that for electric system, the insulating tool of ehv power transmission equipment is carried out AC voltage withstand test, specifically a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing device.
Background technology
Along with the development of super (spy) high-voltage fence construction, the electric pressure of power transmission and transforming equipment and equipment working condition have had significant lifting, than before, novel intelligent electrical network is more advanced, science, environmental protection more more, also more energy-conservation, in order to adapt to the demand of current electrical network, requirement for power transmission and transforming equipment is also more and more higher, equally, along with the progressively lifting of electric pressure, the requirement of the dielectric level to insulating tool in work is also more and more higher.The operation maintenance of 220kV and all power transmission and transforming equipments of 330kV electric pressure, just requires all kinds of insulating tool performances to propose higher standard at present, could meet work requirements.
Insulating tool be in electric power safety production work most important one accept equipment, its dielectric strength is directly connected to operator's personal safety.The method of the voltage levels insulating tool alternating current voltage withstand testing that electrical test worker is traditional is the pattern of taking four people to coordinate, in high-potting hall, specific workplace, one people is responsible for transmitting insulating tool and (comprises electroscope, link rod, ground rod and control lever), another two people form sling colligation series connection in the both sides of insulating tool with rope, a remaining people starts driving and is responsible for lift-off, banding insulation Work tool in the safe range of estimating, consider the deadweight of Work tool and the compactedness of sling, once at most can colligation 20, the drawback of doing is like this difference because of its staff, the sling degree of tightness of colligation differs, the spacing of Work tool is difficult to be consistent, there is very large potential safety hazard, increase psychological burden to staff.So, develop a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing device, be the important research direction of this area.According to the knowledge of the applicant, up to the present, also there is no the device that can carry out 220kV and 330kV insulating tool alternating current voltage withstand testing of a set of complete specification moulding.
Summary of the invention
The purpose of this utility model is to provide a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing device, and this test unit is to be applicable to adopt 500kV testing transformer, carries out the device of 220kV and 330kV insulating tool alternating current voltage withstand testing.This test unit can be in the situation that starting 500kV testing transformer, the AC voltage withstand test that completes 220kV and 330kV insulating tool of safety standard rapidly, thus reach the test that completes fast voltage levels insulating tool in enormous quantities.
The technical scheme the utility model proposes is: a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing device, is characterized in that: this device comprises apparatus capable of fluctuating, two groups of clamping plate electrodes and a set of earthing device; Apparatus capable of fluctuating comprises four liftable supports, four liftable supports be arranged on ground and by horizontal × to indulge be 2 × 2 groups of arrangements; Two groups of clamping plate electrodes are arranged on respectively front-seat and rear row's liftable support top; Liftable support comprises base, is arranged on the Height Adjustable insulation strut on base, and Height Adjustable insulation strut upper end is provided with supporting plate; Earthing device one end is connected with supporting plate, the other end is connected with the chassis of this supporting plate place liftable support.
Liftable support can be adjusted to the test of corresponding 2.1 meters, 2.8 meters to ground level according to the test demand of 220kV, two kinds of electric pressures of 330kV, while test, be adjusted to the height meeting the demands, regulate liftable support spacing and tested insulating tool length adaptation, thereby reached the object of test.
Clamping plate electrode comprises train wheel bridge and lower plate, the lower surface of train wheel bridge and the upper surface of lower plate are provided with the sawtooth that quantity is equal to, train wheel bridge and lower plate two ends are bolted, train wheel bridge sawtooth docks with the crown of lower plate sawtooth, the lower surface of train wheel bridge and the upper surface of lower plate are all provided with the copper sheet electrode with sawtooth laminating, train wheel bridge tooth paddy and lower plate tooth paddy composition rhombus electrode hole.
The utility model also comprises two cover insulation step stools, and insulation step stool is made by unsaturated polyester, while carrying out the ac voltage withstanding of above two electric pressures, can select ladder level according to staff's height and Work tool height over the ground.When test, be positioned over the both sides of device, trample for staff, be convenient to tested bar dry type insulating tool to be placed into clamping plate electrode etc.
Clamping plate electrode is made by unsaturated polyester resin, because the copper sheet electrode being inlaid with sawtooth laminating is all installed at the serrate position of the upper surface of the lower surface at train wheel bridge and lower plate, carrying out in the process of AC voltage withstand test, insulating tool two ends are placed on rhombus electrode hole, because be inlaid with copper sheet, so can save the operation lack of standardization of carrying out short circuit with bare copper wire, insulating tool is used the two ends of metal bolts fixed electorde again after placing.Height Adjustable insulation strut is made by unsaturated polyester, and Height Adjustable insulation strut and clamping plate electrode have formed the utility model main body insulated frame structure.
The utility model is suitable for the AC voltage withstand test of 220kV and 330kV insulating tool.The utility model has been realized in the situation that possessing 500kV testing transformer, can complete in enormous quantities the AC voltage withstand test of 220kV insulating tool, again the AC voltage withstand test of 330kV insulating tool in enormous quantities.Major advantage is:
1, made the placement of insulating tool into horizontal distribution by vertical distribution, test different electric pressures test specimen time, can by operation liftable support regulate test specimen to ground level; The direct short circuit of the electrode of installing on support and test specimen, the mode of having removed artificial winding from, the spacing of tested insulating tool is consistent, and has eliminated potential safety hazard, and safe reliability greatly improves;
2, in the busy period of the inspection of power industry spring, autumn inspection, can realize voltage levels insulating tool is tested in enormous quantities, slow down staff's labour intensity, improve work efficiency;
3, good electric property, practical, safety, reliable.
Brief description of the drawings
Fig. 1 is structural relation schematic diagram of the present utility model,
Fig. 2 is the utility model structural relation schematic diagram of another angle,
Fig. 3 is the structural representation of clamping plate electrode,
Fig. 4 is the A portion enlarged drawing of Fig. 3,
Fig. 5 is the structural representation of supporting plate,
Fig. 6 is the schematic diagram of earthing device,
Fig. 7 the utility model carries out the schematic diagram of 220kV or 330kV test to insulating tool,
Fig. 8 is the structural representation of insulation step stool.
In figure: 1-liftable support, 2-high-voltage connection, 3-chassis, 4-insulation slotting ring, 5-insulation plug, 6-clamping plate electrode, 601-train wheel bridge, 602-lower plate, 603-crown, 604-rhombus electrode hole, 605-copper sheet electrode, 606-bolt, 7-supporting plate, 701-clamping plate electrode mounting hole, 702-supporting plate earth jack, 8-earthing device, 801-ground wire, 802-inserted sleeve, 9-Height Adjustable insulation strut, 901-lower beam, 902-upper boom, 903-hole, 10-tested insulating tool, 11-insulation step stool, the spacing of L-front row and rear row's liftable support.
Embodiment
As shown in Figures 1 and 2: a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing device, this device comprises apparatus capable of fluctuating, two groups of clamping plate electrodes 6 and a set of earthing device 8; Apparatus capable of fluctuating comprise that 1, four liftable support 1 of four liftable supports arranges on the ground and by horizontal × to indulge be 2 × 2 groups of arrangements; Two groups of clamping plate electrodes 6 are arranged on respectively front row, rear row's liftable support 1 top; Liftable support 1 comprises base 3, is arranged on the Height Adjustable insulation strut 9 on base 3, and Height Adjustable insulation strut 9 upper ends are provided with supporting plate 7; Earthing device 8 one end are connected with supporting plate 7, the other end is connected with the chassis 3 of these supporting plate 7 place liftable supports 1.
Referring to Fig. 3 and Fig. 4: clamping plate electrode 6 comprises train wheel bridge 601 and lower plate 602, the upper surface of the lower surface of train wheel bridge 601 and lower plate 602 is provided with the sawtooth that quantity is equal to, train wheel bridge 601 is connected by bolt 606 with lower plate 602 two ends, the crown 603 of upper and lower clamping plate sawtooth docks, the upper surface of the lower surface of train wheel bridge 601 and lower plate 602 is all provided with the copper sheet electrode 605 with sawtooth laminating, the tooth paddy composition rhombus electrode hole 604 of upper and lower clamping plate.Referring to Fig. 7: rhombus electrode hole 604 is for clamping tested insulating tool 10, and energising causes conducting, and does not need again the tested insulating tool of short circuit, once just automatic short circuit of clamping.When test, two groups of clamping plate electrodes are placed in both sides relatively, for placing the two ends end to end of insulating tool.
Referring to Fig. 1, Fig. 2 and Fig. 7: Height Adjustable insulation strut 9 comprises lower beam 901, upper boom 902, insulation slotting ring 4 and insulation plug 5, insulation slotting ring 4 is located at lower beam 901 exterior upper portion, insulation slotting ring 4 is provided with connecting hole, upper boom 902 has been dug the hole 903 of differing heights over the ground, upper boom 902 is plugged in lower beam 901, insulation plug 5 is plugged in connecting hole and hole 903, and lower beam 901 is fixedly connected with upper boom 902.
Can Height Adjustable insulation strut 9 be adjusted to the test of corresponding 2.1 meters, 2.8 meters to ground level according to the test demand of 220kV, two kinds of electric pressures of 330kV, flexible upper boom 902 while carrying out the AC voltage withstand test of different electric pressures, after being adjusted to required height, connecting hole is aimed at hole 903, insert insulation plug 5, lower beam 901 and upper boom 902 are fixed.
As shown in Figure 5: supporting plate 7 is provided with clamping plate electrode mounting hole 701 and supporting plate earth jack 702; Clamping plate electrode mounting hole 701, for mounting clamp plate electrode 6, is installed on clamping plate electrode mounting hole 701 by bolt 606, and clamping plate electrode 6 is fixed on to supporting plate 7, and supporting plate earth jack 702 is for the earthing device 8 of pegging graft.Referring to Fig. 1 and Fig. 2: chassis 3 is provided with chassis earth jack, for the earthing device 8 of pegging graft.
As shown in Figure 6: earthing device 8 comprises ground wire 801, ground wire 801 two ends dispose inserted sleeve 802; Referring to Fig. 7: when 220kV and 330kV insulating tool are carried out to AC voltage withstand test, access earthing device 8 at the liftable support 1 of placing tested insulating tool 10 tail ends, an inserted sleeve 802 is plugged in supporting plate earth jack 702, and another inserted sleeve 802 is plugged in chassis earth jack.
Referring to Fig. 8: the utility model also comprises the two cover insulation step stools 11 of being made by unsaturated polyester, Fig. 8 is the structural representation of a set of insulation step stool 11, both sides before and after being positioned over when test, trample for staff, are convenient to tested bar dry type insulating tool to be placed into clamping plate electrode etc.
Liftable support 1 is the insulated frame structure being made up of unsaturated polyester; As the physical support of 220kV and 330kV insulating tool alternating current voltage withstand testing, respectively organizing liftable support is independently, when test, puts according to test demand spacing.
Referring to Fig. 1 and Fig. 2: at left bank and right row's liftable support 1 top, 6, four groups of clamping plate electrodes 6 of two groups of clamping plate electrodes also can be installed again and form framed structure, choice for use while being convenient to test.
Insulating tool is that bar dry type product to be tested comprises insulating bar, electroscope, link rod.Referring to Fig. 7: when 220kV and 330kV insulating tool are carried out to AC voltage withstand test, adjust spacing L front-seat and rear row's liftable support, make it to reach the test length 3.2m that meets the test length 1.8m of 220kV insulating tool or meet 330kV insulating tool; And what adjust Height Adjustable pole 9 is 2.1m or 2.8m to ground level; Open the bolt 606 of train wheel bridge 601 and lower plate 602 one end, by the staff of both sides by tested bar dry type insulating tool 10, be placed on according to the order of sequence the tooth paddy of front row, rear row's lower plate electrode, train wheel bridge is fastened on to lower plate, with bolt, train wheel bridge and lower plate are connected and fixed, the standardization that forms insulating tool alternating current voltage withstand testing is placed again; On the clamping plate electrode of placing insulating tool head end, access high-voltage connection 2, with the position of this clamping plate electrode vis-a-vis, be placed with on the liftable support of insulating tool tail end and installing earthing device 8, one end inserted sleeve 802 of earthing device 8 is plugged in the supporting plate earth jack 702 of Work tool tail end, the other end is plugged on the chassis earth jack that is in same liftable support 1 with this supporting plate, can meet the demand of these two electric pressure insulating tool alternating current voltage withstand testings.

Claims (7)

1. 220kV and a 330kV insulating tool alternating current voltage withstand testing device, is characterized in that: this device comprises apparatus capable of fluctuating, two groups of clamping plate electrodes (6) and a set of earthing device (8); Apparatus capable of fluctuating comprises four liftable supports (1), four liftable supports (1) arrange on the ground and by horizontal × to indulge be 2 × 2 groups of arrangements; Two groups of clamping plate electrodes (6) are arranged on respectively front row, rear row's liftable support (1) top; Liftable support (1) comprises base (3), is arranged on the Height Adjustable insulation strut (9) on base (3), and Height Adjustable insulation strut (9) upper end is provided with supporting plate (7); Earthing device (8) one end is connected with supporting plate (7), the other end is connected with the chassis (3) of this supporting plate (7) place liftable support (1).
2. a kind of 220kV as claimed in claim 1 and 330kV insulating tool alternating current voltage withstand testing device, it is characterized in that: clamping plate electrode (6) comprises train wheel bridge (601) and lower plate (602), the upper surface of the lower surface of train wheel bridge (601) and lower plate (602) is provided with the sawtooth that quantity is equal to, train wheel bridge (601) is connected by bolt (606) with lower plate (602) two ends, on, crown (603) docking of lower plate sawtooth, the upper surface of the lower surface of train wheel bridge (601) and lower plate (602) is all provided with the copper sheet electrode (605) with sawtooth laminating, on, the tooth paddy composition rhombus electrode hole (604) of lower plate.
3. a kind of 220kV as claimed in claim 2 and 330kV insulating tool alternating current voltage withstand testing device, it is characterized in that: Height Adjustable insulation strut (9) comprises lower beam (901), upper boom (902), insulation slotting ring (4) and insulation plug (5), insulation slotting ring 4 is located at lower beam (901) exterior upper portion, insulation slotting ring (4) is provided with connecting hole, upper boom (902) has been dug the hole of differing heights (903) over the ground, upper boom (902) is plugged in lower beam (901), insulation plug (5) is plugged in connecting hole and hole (903), lower beam (901) is fixedly connected with upper boom (902).
4. a kind of 220kV as claimed in claim 3 and 330kV insulating tool alternating current voltage withstand testing device, is characterized in that: earthing device (8) comprises ground wire (801), ground wire (801) two ends dispose inserted sleeve (802).
5. a kind of 220kV as claimed in claim 4 and 330kV insulating tool alternating current voltage withstand testing device, is characterized in that: supporting plate (7) is provided with clamping plate electrode mounting hole (701) and supporting plate earth jack (702); Chassis (3) is provided with chassis earth jack; Bolt (606) is installed on clamping plate electrode mounting hole (701), and clamping plate electrode (6) is fixed on to supporting plate (7).
6. a kind of 220kV as described in claim 1 to 5 any one and 330kV insulating tool alternating current voltage withstand testing device, is characterized in that: utility model also comprises the two cover insulation step stools (11) of being made by unsaturated polyester.
7. a kind of 220kV as claimed in claim 6 and 330kV insulating tool alternating current voltage withstand testing device, it is characterized in that: two groups of clamping plate electrodes (6) are installed at left bank and right row's liftable support (1) top again, four groups of clamping plate electrodes (6) form framed structure.
CN201420314410.9U 2014-06-12 2014-06-12 220kV and 330kV insulation tool AC high-voltage holding test device Expired - Fee Related CN203909227U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420314410.9U CN203909227U (en) 2014-06-12 2014-06-12 220kV and 330kV insulation tool AC high-voltage holding test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420314410.9U CN203909227U (en) 2014-06-12 2014-06-12 220kV and 330kV insulation tool AC high-voltage holding test device

Publications (1)

Publication Number Publication Date
CN203909227U true CN203909227U (en) 2014-10-29

Family

ID=51783489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420314410.9U Expired - Fee Related CN203909227U (en) 2014-06-12 2014-06-12 220kV and 330kV insulation tool AC high-voltage holding test device

Country Status (1)

Country Link
CN (1) CN203909227U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007375A (en) * 2014-06-12 2014-08-27 国家电网公司 Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104007375A (en) * 2014-06-12 2014-08-27 国家电网公司 Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments

Similar Documents

Publication Publication Date Title
CN104035014A (en) Method for alternating-current voltage withstand testing of 220 kV and 330 kV insulated tools and instruments
CN104020400B (en) 750kV insulating tool segmentation ac voltage withstanding test method
CN104849600B (en) A kind of arrester detecting device and its application method
CN104007375A (en) Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments
CN103175998B (en) A kind of portable test shaft tower detected for transmission circuit insulator string high-voltage performance
CN203965480U (en) A kind of test of lightning arrester device
CN204086456U (en) 750kV insulating tool segmentation alternating-current voltage resistance test device
CN202330483U (en) Insulating rod test bed
CN201819928U (en) Fixing bracket for arrestor test
CN103235247B (en) Insulating boot and insulating glove alternating-current voltage resistance test device
CN204789734U (en) Electrician's utensil is tested to portable high pressure
CN202562960U (en) 10-kilovolt (kV) arrester test-bed rack
CN203705592U (en) Floor type safety tool withstand voltage test special-purpose device
CN203909227U (en) 220kV and 330kV insulation tool AC high-voltage holding test device
CN206430892U (en) A kind of static mechanical load of terminal test tool
CN205176073U (en) Arrester live test drainage pincers
CN203909222U (en) Clamp plate electrode for 220 kV and greater insulation tool AC high-voltage holding test device
CN208270622U (en) A kind of power distribution network arrester, isolator detecting bracket
CN207472919U (en) A kind of convertible insulating bar test auxiliary stand
CN107843801B (en) Testing method for lightning arrester of oscillating device
CN104020399A (en) Subsection alternating current voltage withstanding test facility for 750kV insulation tool and instrument
CN203149075U (en) Insulating tool test device for live-line operation on 10kV distribution network
CN205070178U (en) Portable maintenance power supply box
CN203250629U (en) Mutual inductor secondary winding connection box
CN208547655U (en) Electric wire wire clamp

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141029

Termination date: 20190612