CN201312079Y - Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method - Google Patents

Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method Download PDF

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Publication number
CN201312079Y
CN201312079Y CNU2008202156480U CN200820215648U CN201312079Y CN 201312079 Y CN201312079 Y CN 201312079Y CN U2008202156480 U CNU2008202156480 U CN U2008202156480U CN 200820215648 U CN200820215648 U CN 200820215648U CN 201312079 Y CN201312079 Y CN 201312079Y
Authority
CN
China
Prior art keywords
jig
insulator
substrate
clamping
clamping tool
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
CNU2008202156480U
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Chinese (zh)
Inventor
邢军
王建国
童维占
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 Jiangsu Electric Power Co Ltd
Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd
Original Assignee
Xuzhou Power Supply Co of Jiangsu 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 Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd filed Critical Xuzhou Power Supply Co of Jiangsu Electric Power Co Ltd
Priority to CNU2008202156480U priority Critical patent/CN201312079Y/en
Application granted granted Critical
Publication of CN201312079Y publication Critical patent/CN201312079Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a clamping apparatus for live line replacement of a suspended insulator in the middle of a 500KV untypical tangent tower via a splicing method, which belongs to electrical tools. The utility model comprises a clamping tool A and a clamping tool B, wherein the clamping tool B is engaged with the clamping tool A. Moreover, the clamping tool A includes a substrate, a clamping head is vertically installed on the substrate, threaded rod installation holes are mounted on the substrate, and a screw rod which extends towards one side is fixed onto the substrate. Further, a substrate body of the clamping tool B is U-shaped, and the bottom of the substrate body is provided with screw rod holes. The utility model has the advantages of simple structure, convenient utilization, mutual protection, convenient ground potential electrical operation without reinforcing a across arm of a steel tower, and being capable of realizing double suspension points to achieve replacement of a suspended insulator in the middle of a 500KV untypical tangent tower by live line working.

Description

The jig of suspension insulator in the middle of the poling board method charged for replacement 500KV atypia tangent tower
Technical field
The utility model relates to a kind of electrician's instrument, specifically is the jig of suspension insulator in the middle of a kind of poling board method charged for replacement 500KV atypia tangent tower.Be particularly suitable for the middle suspension insulator of charged for replacement 500KV ultra-high-tension power transmission line atypia tangent tower.
Background technology
Along with the high speed development of power grid construction, the tower in the ultra-high-tension power transmission line emerges in an endless stream.In the design of circuit, take all factors into consideration the factors such as design feature of the residing geographical conditions of shaft tower, meteorological condition and shaft tower, often be not able to sometimes and adopt the atypia tower.The employing of atypia tower has brought certain difficulty to upkeep operation.
The lead list insulator string string of ultra-high-tension power transmission line is suspended on the electric power line pole tower.Insulator string is formed by multi-disc dish-type insulator head (bulb) tail (the steel cap of dribbling nest) serial connection, and insulator string has very high electric and mechanical strength, has guaranteed the reliability service of transmission line.Owing to reasons such as thunderbolt, pollution flashover, deteriorations, need change at any time in the running; Owing to the variation of environment, the insulator string creep distance can not meet the demands simultaneously, also needs to change.For not because of changing insulator with line outage, just need on ultra-high-tension power transmission line, carry out live line working, directly contact high-voltage conducting wires or carry out operation by the workman by means of insulating tool, deterioration insulator is wherein changed, must use a kind of intermediate insulation, two has the special mould clamp of tightening device, and wire tension is transferred on the lifting tool, makes insulator string become relaxed state from tension (because of some tons weight of suspension lead makes insulator string be in tensioned state).Because the distribution of tower material is different with typical tangent tower on the atypia tangent tower cross-arm, causes on the cross-arm lifting tool to take root, thereby can't finish lifting.
Summary of the invention
The utility model provides the jig of the middle suspension insulator of a kind of poling board method charged for replacement 500KV atypia tangent tower, adopt novel jig that lifting tool is taken root on cross-arm, realize that two suspension centres carry out live line working and change the middle suspension insulator of 500KV atypia tangent tower.
The utility model is realized with following technical scheme: the jig of suspension insulator in the middle of a kind of poling board method charged for replacement 500KV atypia tangent tower, feature is made up of jig A and the jig B that matches with jig A, jig A comprises pedestal, dop, dop is vertically mounted on above the pedestal, the screw mandrel installing hole is arranged on pedestal and be fixed with the screw rod that stretches out to a side; Jig B matrix is a U-shaped, and the bottom of matrix is provided with the screw hole that matches with screw rod on the jig A.
The beneficial effects of the utility model are: simple in structure, easy to use, realize that two suspension centres carry out live line working and change suspension insulator in the middle of the 500KV atypia tangent tower, and protection each other, earth potential electrician operation be convenient, do not need the reinforcement of iron tower cross-arm.
Description of drawings
Fig. 1 is a jig A structural representation;
The vertical view of Fig. 2 jig A;
Fig. 3 is a jig B structural representation;
Fig. 4 is the vertical view of jig B;
Fig. 5 is a suspension insulator instrument complete layout in the middle of the poling board method charged for replacement 500KV atypia tangent tower.
Among the figure; 1, jig, 1-1, pedestal, 1-2, dop, 1-3, screw rod, 1-4, leading screw installing hole, 1-5, matrix, 1-6, screw hole, 2, leading screw, 3, cross-arm, 4, the insulation pull-rod, 5, insulated flexible ladder, 6, four line devices, 7, cable.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As shown in Figure 1 and Figure 2, the jig of suspension insulator is made up of jig A and the jig B that matches with jig A in the middle of the poling board method charged for replacement 500KV atypia tangent tower, jig A comprises pedestal 1-1, dop 1-2, screw rod 1-3, dop 1-2 is vertically mounted on above the pedestal 1-1, and screw mandrel installing hole 1-4 is arranged on pedestal, and screw rod 1-3 stretches out and is fixed on the pedestal 1-1 to a side.
As shown in Figure 3, Figure 4, jig B matrix 1-5 is a U-shaped, and the bottom of matrix is provided with the screw hole 1-6 that matches with screw rod on the jig A.
As shown in Figure 5, the concrete method of operation of using is: at first, the operating personnel is stuck in the dop 1-2 among the jig A of jig 1 at seam place on the angle steel of cross-arm on the tower, and the screw rod 1-3 among the jig A passes the working hole reserved on the cross-arm and the screw hole 1-6 among the jig B, and tightens fixing with nut.Leading screw installing hole 1-4 place among the jig A installs leading screw 2; To work the insulation pull-rod 4 that hangs up subsequently and four line devices 6 connect by screw.Equipotential electrician enters electric field along insulated flexible ladder 5, and equipotential electrician installs four line devices 4, and each sub-thread of conductors on quad bundled is entered in the hook of four corresponding line devices 4.The earth potential electrician begins to lift by crane leading screw 2, stops lifting after lifting by crane to a certain degree, makes insulator string lower end hanging point loose, and equipotential personnel extract the hanging point screw, begin to change insulator.
The step of changing the insulator operation is as follows:
1) the equipotential electrician enters electric field: the lifting insulated flexible ladder, the equal potential working personnel carry out electric field along rope ladder.The lifting insulated flexible ladder is fixed on the cross-arm insulated flexible ladder one end, and the other end ties up on the tower leg after straining by the insulation rope, and equal potential working personnel slowly enter in the highfield along insulated flexible ladder.
2) lifting lead: earth potential the electrician lift by crane by leading screw, and the earth potential electrician installs jig on cross-arm, and itself and lifting tool are linked together (lifting tool is leading screw and insulation pull-rod, four line devices); Under equipotential electrician's cooperation, determine to begin to use the leading screw stringing after lead enters in the hook of four line devices, make the porcelain vase string lax.
3) pluck screw: equipotential electrician pulls out the screw under the porcelain vase string, makes the porcelain vase string break away from lead.
4) pluck screw: the earth potential electrician will be insulated and be transmitted rope and tie up between first insulator of insulator string and second insulator, and the ground staff transmits by the insulation of strand grain and restricts, and makes the screw at insulator and cross-arm hanging point place loose.The earth potential electrician extracts the screw at cross-arm hanging point place.
5) the porcelain vase string that falls: the ground staff is by motor-driven strand mill loose insulator string slowly.
6) insert the insulation plate: the deterioration insulator in equipotential electrician's insulator string of etc.ing arrives lead when neighbouring soon, and the plate that will insulate rapidly is inserted in the insulator place below the deterioration insulator, and plate rests on the lead.
7) change the deterioration insulator: equipotential electrician unclamps deterioration insulator and whole connecting of going here and there, and takes the deterioration insulator, the connection of changing new insulator and recovering bunch of insulator.
8) recover connecting of insulator string and cross-arm: the ground staff has ground insulator string by motor-driven strand, and until the cross-arm place, the earth potential electrician recovers the Bolt Connection of itself and cross-arm.
9) recover connecting of insulator string and lead: the isopotential electrical union connects the bolt between insulator string lower end and yoke plate.
10) finish operation.

Claims (1)

1, the jig of suspension insulator in the middle of a kind of poling board method charged for replacement 500KV atypia tangent tower is characterized in that being made up of jig A and the jig B that matches with jig A; Jig A comprises pedestal (1-1) and dop (1-2), and dop (1-2) is vertically mounted on above the pedestal (1-1), and screw mandrel installing hole (1-4) is arranged on pedestal (1-1), the screw rod (1-3) that also has and be fixed on that pedestal (1-1) is gone up and stretch out to a side; Jig B matrix (1-5) is a U-shaped, and the bottom of matrix (1-5) is provided with the screw hole (1-6) that matches with screw rod (1-3) on the jig A.
CNU2008202156480U 2008-11-07 2008-11-07 Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method Expired - Fee Related CN201312079Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202156480U CN201312079Y (en) 2008-11-07 2008-11-07 Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202156480U CN201312079Y (en) 2008-11-07 2008-11-07 Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method

Publications (1)

Publication Number Publication Date
CN201312079Y true CN201312079Y (en) 2009-09-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008202156480U Expired - Fee Related CN201312079Y (en) 2008-11-07 2008-11-07 Clamping apparatus for live line replacement of suspended insulator in middle of 500KV untypical tangent tower via splicing method

Country Status (1)

Country Link
CN (1) CN201312079Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101916971A (en) * 2010-03-23 2010-12-15 福建省电力有限公司厦门电业局 Earth potential live replacing device for tangent tower inverted insulator string on attachment plate
CN101916972A (en) * 2010-03-23 2010-12-15 福建省电力有限公司厦门电业局 Earth potential live replacing device for tangent tower closed type insulator string on attachment plate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101916971A (en) * 2010-03-23 2010-12-15 福建省电力有限公司厦门电业局 Earth potential live replacing device for tangent tower inverted insulator string on attachment plate
CN101916972A (en) * 2010-03-23 2010-12-15 福建省电力有限公司厦门电业局 Earth potential live replacing device for tangent tower closed type insulator string on attachment plate
CN101916971B (en) * 2010-03-23 2012-09-26 福建省电力有限公司厦门电业局 Earth potential live replacing device for tangent tower inverted insulator string on attachment plate
CN101916972B (en) * 2010-03-23 2012-11-21 福建省电力有限公司厦门电业局 Earth potential live replacing device for tangent tower closed type insulator string on attachment plate

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Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
TR01 Transfer of patent right

Effective date of registration: 20130904

Address after: 100031 West Chang'an Avenue, Beijing, No. 86

Patentee after: State Grid Corporation of China

Patentee after: Xuzhou Power Supply Company of Jiangsu Electric Power Company

Patentee after: Jiangsu Electric Power Company

Address before: 221005 No. 20 Jiefang North Road, Jiangsu, Xuzhou

Patentee before: Xuzhou Power Supply Company of Jiangsu Electric Power Company

COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 221005 XUZHOU, JIANGSU PROVINCE TO: 100031 DONGCHENG, BEIJING

ASS Succession or assignment of patent right

Owner name: XUZHOU POWER SUPPLY CO. OF JIANGSU ELECTRIC POWER

Effective date: 20130904

Owner name: STATE ELECTRIC NET CROP.

Free format text: FORMER OWNER: XUZHOU POWER SUPPLY CO. OF JIANGSU ELECTRIC POWER CO.

Effective date: 20130904

C41 Transfer of patent application or patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090916

Termination date: 20121107

C17 Cessation of patent right