CN104007375A - Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments - Google Patents
Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments Download PDFInfo
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- CN104007375A CN104007375A CN201410262420.7A CN201410262420A CN104007375A CN 104007375 A CN104007375 A CN 104007375A CN 201410262420 A CN201410262420 A CN 201410262420A CN 104007375 A CN104007375 A CN 104007375A
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Abstract
A facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments comprises a liftable device, two sets of clamping plate electrodes and a set of grounding devices. The liftable device comprises four liftable supports, and the four liftable supports are arranged on the ground and ranked in a 2*2 set mode in the transverse direction and the longitudinal direction. The two clamping plate electrodes are installed on the top portions of the liftable supports in the front row and the top portions of the liftable supports in the rear row respectively. Each liftable support comprises a base and an insulation fulcrum bar with the adjustable height, wherein the insulation fulcrum bar is installed on the base, and a supporting plate is installed at the upper end of each insulation fulcrum bar with the adjustable height. One end of each grounding device is connected with the corresponding supporting plate, and the other end of each grounding device is connected with a base plate of the liftable support where the corresponding supporting plate is located. The facility further comprises two sets of insulation stepped stools made of unsaturated resin. According to the facility, under the condition that a 500kV testing transformer is arranged, the alternating current voltage withstand tests for the 220kV and 330kV insulation tools and instruments can be massively finished, labor intensity of workers is relieved, and work efficiency is improved.
Description
Technical field
The present invention 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 facility.
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 object of this invention is to provide a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing facility, 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 that the present invention proposes is: a kind of 220kV and 330kV insulating tool alternating current voltage withstand testing facility, 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 present invention 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 main body insulated frame structure of the present invention.
The present invention is suitable for the AC voltage withstand test of 220kV and 330kV insulating tool.The present invention has 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 invention,
Fig. 2 is the structural relation schematic diagram of the present invention 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 present invention carries out the schematic diagram of 220kV and 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 facility, 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 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 present invention 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 facility, 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 facility, 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 facility, 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 facility, 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 facility, 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 facility, is characterized in that: invention 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 facility, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410262420.7A CN104007375A (en) | 2014-06-12 | 2014-06-12 | Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410262420.7A CN104007375A (en) | 2014-06-12 | 2014-06-12 | Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments |
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| CN104007375A true CN104007375A (en) | 2014-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410262420.7A Pending CN104007375A (en) | 2014-06-12 | 2014-06-12 | Facility for alternating current voltage withstand tests for 200kV and 330kV insulation tools and instruments |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104635132A (en) * | 2015-03-07 | 2015-05-20 | 国网宁夏电力公司固原供电公司 | Equipment for withstand voltage test of insulation tools and instruments |
| CN104777412A (en) * | 2015-03-06 | 2015-07-15 | 国家电网公司 | Alternating-current voltage-withstand high-voltage test device used for insulation rope and capable of automatically winding rope |
| CN105974198A (en) * | 2016-06-17 | 2016-09-28 | 苏州华徕光电仪器有限公司 | Testing device capable of continuously measuring resistance |
| CN106226668A (en) * | 2016-08-31 | 2016-12-14 | 云南电网有限责任公司楚雄供电局 | A kind of many test apparatus for overpressure resistance of insulator spindles |
| CN116500396A (en) * | 2023-06-30 | 2023-07-28 | 新河县珠兴铜业有限公司 | Finished product insulativity detection device for insulating material production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104777412A (en) * | 2015-03-06 | 2015-07-15 | 国家电网公司 | Alternating-current voltage-withstand high-voltage test device used for insulation rope and capable of automatically winding rope |
| CN104635132A (en) * | 2015-03-07 | 2015-05-20 | 国网宁夏电力公司固原供电公司 | Equipment for withstand voltage test of insulation tools and instruments |
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| CN106226668A (en) * | 2016-08-31 | 2016-12-14 | 云南电网有限责任公司楚雄供电局 | A kind of many test apparatus for overpressure resistance of insulator spindles |
| CN106226668B (en) * | 2016-08-31 | 2022-12-20 | 云南电网有限责任公司楚雄供电局 | Withstand voltage test device with multiple insulating rods |
| CN116500396A (en) * | 2023-06-30 | 2023-07-28 | 新河县珠兴铜业有限公司 | Finished product insulativity detection device for insulating material production |
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Application publication date: 20140827 |
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| RJ01 | Rejection of invention patent application after publication |