CN101916972B - Earth potential live replacing device for tangent tower closed type insulator string on attachment plate - Google Patents

Earth potential live replacing device for tangent tower closed type insulator string on attachment plate Download PDF

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Publication number
CN101916972B
CN101916972B CN2010101307589A CN201010130758A CN101916972B CN 101916972 B CN101916972 B CN 101916972B CN 2010101307589 A CN2010101307589 A CN 2010101307589A CN 201010130758 A CN201010130758 A CN 201010130758A CN 101916972 B CN101916972 B CN 101916972B
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China
Prior art keywords
insulator string
screw mandrel
deck
attachment plate
closed type
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CN2010101307589A
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CN101916972A (en
Inventor
陈国信
邓开清
吴增辉
郑联发
陈安
洪志超
洪炳黑
游小华
吴李焕
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State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Xiamen Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Abstract

The invention relates to a replacing device for an insulator string, in particular to an earth potential live replacing device for a tangent tower closed type insulator string on an attachment plate. Based on the replacing operation of the tangent tower closed type insulator string on the attachment plate, the invention provides the live replacing device for the insulator string, wherein an inverted V-shaped lead screw clamping seat and a T-shaped connecting plate clamping seat are adopted aiming at a closed type cross arm attachment plate; a lead screw operating member is placed above the lead screw clamping seat to bring convenience to the replacing operation of personnel; and thus the live replacing operation of the tangent tower closed type insulator string on the attachment plate is realized, and a series of economic defects or problems brought by power-cut replacement are overcome or solved. The device overcomes the disadvantages in the prior art and solves the problems of upper supporting and lower supporting of the insulator string in the prior art; and new tools are creatively designed, so the live replacing operation of the tower-shaped insulator string is realized, and the simple and convenient operation is realized.

Description

The tangent tower closed type insulator string on attachment plate earth potential live replacing device
Technical field
The present invention relates to a kind of more changing device of insulator string, particularly a kind of tangent tower closed type insulator string on attachment plate earth potential live replacing device.
Background technology
The cross-arm of closed tangent tower is to adopt two blocks of angle steel to be welded into one back-to-back, and the suspension insulator upper end on the tangent tower hangs on the thread gripping-board of angle steel lower end welding, and the bottom then with through a kind of yoke plate is connected with lead (line conductor).Because two blocks of angle steel that weld together have back-to-back caused the activity operations space on the thread gripping-board of this tower to be closed; Will promote lead exactly and change insulator string, dwindle the distance between lead and the cross-arm, the load transfer that insulator string is born is to the instrument of changing; But insulator string charged for replacement device of the prior art can't solve the support problem of upper space; By another patented technology of applicant application (application number: 2008100708700, name is called: electric replacement device for suspended insulator chain) also can't realize this technical problem, because first hook in should technology can't be articulated to the angle steel that welds together back-to-back; If hang on the cross-arm of this tower; Just need very big hook,, improved cost of manufacture though realize easily; And wide groove also brings operational instability, this be in hot line job the hidden danger that should stop; On the other hand; The insulator string bottom of this turriform is connecting two leads through yoke plate; Its active force disperses, and only adopts single suspension hook to ensure and operationally stablizes feasiblely, and therefore original charged for replacement device can't be applied in the insulator string charged for replacement operation of this tower.At present, the insulator string of this turriform replacing operation can only be based upon on the power failure basis and carry out.
Invention constitutes
But the objective of the invention is to provides a kind of hot line job and tangent tower closed type insulator string on attachment plate earth potential live replacing device simple to operate according to the weak point of prior art.
The present invention realizes through following approach:
The tangent tower closed type insulator string on attachment plate earth potential live replacing device; Include two secondary insulated hanging poles, screw mandrel and screw mandrel operating parts, its structural feature is, also includes screw mandrel deck and yoke plate deck; The screw mandrel deck is down " V " type; Have a kind of handle hole respectively on the horizontal shoulder at the both ends, below of " V " type deck, mid portion has the draw-in groove of an opening from lower to upper, the width of this draw-in groove and the degree of depth respectively with tangent tower on cross-arm angle steel welding portion width with highly cooperate; The yoke plate deck includes horizontal card and perpendicular card; Horizontal card both ends have a junction respectively, and the last connecting portion of perpendicular card is connected with horizontal fastening, and following connecting portion is a kind of " U " type member; Have the concentric pin-and-hole on the bipod of " U " type member, wherein the pin-and-hole of the pin outside is equipped with spring detent; One end of two secondary insulated hanging poles respectively with horizontal card on two connecting portions be fixedly connected, the other end connects a screw mandrel, screw mandrel runs through the handle hole of screw mandrel deck, two screw mandrel operating parts are installed in respectively on two screw mandrels of top of screw mandrel deck.
During use; The opening draw-in groove of screw mandrel deck is fastened on " back " of angle steel welding portion; The screw mandrel deck just is installed on the angle steel of cross-arm with the mode of a kind of " riding " like this; The yoke plate deck of below is connected on the yoke plate through perpendicular cutting ferrule, and the spring detent of this moment will start and be fixedly connected yoke plate deck and yoke plate.During operation, tighten up screw mandrel, promote the yoke plate deck, thereby promote yoke plate, on the secondary insulated hanging pole of the load transfer to two of insulator string, carry out the replacing of insulator string through the screw mandrel operating parts.
The screw mandrel deck of " V " type of falling is striden frame on cross-arm; Giving firm going up of whole more changing device supports; Adopt the yoke plate deck to connect the yoke plate between insulator string and lead, can directly active force be shortened in the minimum zone of insulator string, make operation more easy.On enclosed tangent tower, the screw mandrel operating parts is placed on screw mandrel deck top, to make things convenient for staff's on the cross-arm operation.Like this, just realized the operation of tangent tower closed type insulator string on attachment plate earth potential live replacing, the instrument of being innovated makes simple, convenient, and having avoided has a power failure operates a series of problems of bringing.
Screw mandrel deck according to the invention can further be specially:
The screw mandrel deck is a center line with the opening draw-in groove of centre, is divided into left and right sides portion, the dead slot that has an opening to make progress on the both sides, and both sides are hollow because of fluting.
Can alleviate the weight of screw mandrel deck self like this, each sidepiece all is a kind of structure of beam type, has guaranteed the whole firm of deck.For further alleviating the own wt of screw mandrel deck, all right:
On the sidepiece of the left and right sides of screw mandrel deck, open plurality of through holes.
On the left and right sides face near opening draw-in groove place in dead slot the jackscrew member is installed all, its axial line is vertical with the axial line of opening draw-in groove.
When installation screw mandrel deck is to angle steel, can be through the further firm annexation of screw mandrel deck on angle steel of this screw mandrel member.
All opened stopper slot on each handle hole of screw mandrel deck, stopper slot is an open slot, and there is a steel disc top, is installed in the stopper slot top through a kind of fastener, has covered the opening part of stopper slot.
On the stopper slot caging bolt can be installed, restriction is installed in the position of the screw mandrel in the handle hole, and being connected of fastening screw mandrel and screw mandrel deck.
Yoke plate deck according to the invention can further be specially:
The connecting portion at horizontal card both ends is a kind of " U " type open slot, has opened the concentric spacing hole on the open slot, and the axial line of spacing hole is vertical with the horizontal axial line of horizontal card, and a kind of securing member is through this spacing hole connection horizontal card and insulated hanging pole.
Like this, insulated hanging pole can clamp in this " U " type groove, and be connected on the horizontal card through securing member.
The last connecting portion of perpendicular card is a kind of " U " type structure, and its axial line is vertical with the axial line of " U " type that the falls structure of following connecting portion, and last connecting portion is socketed in horizontal card below, and is fastenedly connected through securing member.
The U type mirror image and the vertical configuration of connecting portion up and down can be connected the angular transition of yoke plate and charged for replacement device, realize the connection of charged for replacement device to yoke plate.
Have a plurality of spacing holes on the insulated hanging pole, be distributed on the shaft of suspension rod.
According to the insulated hanging pole spacing hole that different insulator string length adjustment is connected with yoke plate, realize more changing jobs to the different length insulator string.
Spring detent includes guide, pin, spring and operation ring, and spring is installed in the madial wall of guide, and it is connecting sells, and goes back the execution member of attended operation ring simultaneously.
During use, the pull operation ring just can be carried out member through it and drive spring, will sell and eject or regain, to accomplish perpendicular the card and being connected and disengaging of yoke plate.
In sum; Replacing operation based on a kind of tangent tower closed type insulator string on attachment plate; But the invention provides a kind of device of its insulator string of charged for replacement; At first can realize charged for replacement operation, avoid a series of drawback and problems that comprise economically of bringing because of the replacing that has a power failure tangent tower closed type insulator string on attachment plate; Secondly to enclosed cross-arm thread gripping-board, adopt " V " type screw mandrel deck, the screw mandrel operating parts is placed on the deck top, make things convenient for the staff to change operation.The present invention has overcome the weak point of prior art, solved insulator string of the prior art and supported problem up and down, innovative design new instrument, realized the operation of the charged for replacement of above-mentioned turriform insulator string, and made simple to operation.
Description of drawings
Shown in Figure 1 is the structural representation of the said tangent tower closed type insulator string on attachment plate earth potential live replacing device of embodiment;
Shown in Figure 2 is the structural representation of screw mandrel deck in the said charged for replacement device of embodiment; Dotted portion is internal structure, because this part is the composition of deck, therefore dots, and the jackscrew structure division adopts the partial sectional view mode to represent;
Shown in Figure 3 is the vertical view of screw mandrel deck among Fig. 2, can further understand the structure of screw mandrel deck;
Shown in Figure 4 is the structural representation of the horizontal card of yoke plate deck in the charged for replacement device described in the embodiment;
Shown in Figure 5 is the vertical view of Fig. 4, is partial sectional view;
Shown in Figure 6 is the structural representation of the perpendicular card of yoke plate deck in the charged for replacement device described in the embodiment;
Shown in Figure 7 is the left view of Fig. 6.
Below in conjunction with embodiment the present invention is done and to further describe.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1, the tangent tower closed type insulator string on attachment plate earth potential live replacing device includes two secondary insulated hanging poles 1, screw mandrel 2 and screw mandrel operating parts 3, screw mandrel deck 4 and yoke plate deck 5.
With reference to accompanying drawing 2 and accompanying drawing 3, the screw mandrel deck is down " V " type, has a kind of handle hole 41 respectively on the horizontal shoulder at the both ends, below of " V " type deck; All opened stopper slot 43 on each handle hole 41; Stopper slot is an open slot; There is a steel disc (be referring to label in the accompanying drawing 1 44 part) top, is installed in stopper slot 43 tops through a kind of fastener 45 (can be securing members such as bolt), has covered the opening part of stopper slot 43.The mid portion of screw mandrel deck has the draw-in groove 42 of an opening from lower to upper, the width of this draw-in groove 42 and the degree of depth respectively with tangent tower on cross-arm angle steel welding portion 8 width with highly cooperate; The screw mandrel deck is a center line with the opening draw-in groove 42 of centre; Be divided into left and right sides portion, the dead slot 47 that has an opening to make progress on the both sides, both sides are hollow because of fluting; Simultaneously; On four sides, front and back of left and right sides sidepiece, all opened a through hole 48, can alleviate the weight of screw mandrel deck self like this, each sidepiece all is a kind of structure of beam type; On the left and right sides face near opening draw-in groove 42 places in dead slot jackscrew member 46 is installed all, its axial line is vertical with the axial line of opening draw-in groove.
With reference to accompanying drawing 4 and accompanying drawing 5; The yoke plate deck includes horizontal card and perpendicular card; Fig. 4 and shown in Figure 5 be horizontal card, horizontal card both ends have a junction 51 respectively, this connecting portion is a kind of " U " type open slot; Opened concentric spacing hole 52 on the open slot, the axial line of spacing hole 52 is vertical with the horizontal axial line of horizontal card.Have two pin-and-holes 56 on the horizontal card.
With reference to accompanying drawing 6 and accompanying drawing 7, shown in the figure the perpendicular card of yoke plate deck, perpendicular card includes connecting portion 53 and following connecting portion 54; The last connecting portion 53 of perpendicular card is a kind of spring key seat; For a kind of " U " type structure, have pin-and-hole 55 on the key seat, last connecting portion 53 is socketed in horizontal card bottom; Connect the pin-and-hole 56 on this pin-and-hole 55 and the horizontal card through a kind of spring detent, to accomplish being fixedly connected of perpendicular card and horizontal card.
The following connecting portion 54 that erects card is a kind of " U " type member, and its axial line is vertical with the axial line of " U " type structure of last connecting portion, has the concentric pin-and-hole on the bipod of " U " type member, and wherein the pin-and-hole of the pin outside is equipped with spring detent 6; Spring detent 6 includes guide 61, pin 62, spring 63 and operation ring 64, and spring 63 is installed in the madial wall of guide 61, and it is connecting sells 62, goes back the execution member of attended operation ring 64 simultaneously.The guide 61 of spring detent is fixedly connected on down through a kind of screw 57 on the lateral surface of a pin of connecting portion 54.
Once more with reference to accompanying drawing 1, and combine accompanying drawing 2-7, to the tangent tower closed type insulator string on attachment plate earth potential live replacing device property summarized of the present invention explanation:
During use; The angle steel that screw mandrel deck 4 is placed on cross-arm is back-to-back on the welding portion 8; Through operation jackscrew member screw mandrel deck 4 firmly is fixed on the cross-arm angle steel, an end of every secondary insulated hanging pole 1 adopts bolt 9 to be fixedly connected with the connecting portion that two " U " types on the horizontal card of yoke plate deck 5 are constructed, and the other end of insulated hanging pole 1 connects a screw mandrel 2; Screw mandrel 2 runs through the handle hole of screw mandrel deck 4; And be installed in the spacing hole on the handle hole through a kind of stopping means 10, limiting the position of screw mandrel 2, two screw mandrel operating parts 3 are installed in respectively on two screw mandrels 2 of top of screw mandrel deck 4.
Connecting portion is fastened in (yoke plate is for connecting the member of insulator string and line conductor) on the yoke plate 7 under the perpendicular card of yoke plate deck 5; The operating spring bayonet lock 6 then: through the operation to the operation ring; Pin in the guide is ejected through acting force of the spring; And be inserted in the following connecting portion and yoke plate 7 of perpendicular card, completion yoke plate deck 5 is connected with yoke plate 7.
During operation,, tighten up screw mandrel 2, promote yoke plate deck 5, thereby promote yoke plate 7, on the secondary insulated hanging pole 1 of the load transfer to two of insulator string, carry out the replacing of insulator string through to operation as the wire grip of screw mandrel operating parts 3.
It is identical with prior art that the present invention does not state part.

Claims (9)

1. tangent tower closed type insulator string on attachment plate earth potential live replacing device; Include two secondary insulated hanging poles (1), screw mandrel (2) and screw mandrel operating parts (3); It is characterized in that; Also include screw mandrel deck (4) and yoke plate deck (5), screw mandrel deck (4) is down " V " type, has a kind of handle hole (41) respectively on the horizontal shoulder at the both ends, below of " V " type screw mandrel deck (4); Mid portion has an opening draw-in groove (42) from lower to upper, the width of this draw-in groove and the degree of depth respectively with tangent tower on cross-arm angle steel welding portion width with highly cooperate; Yoke plate deck (5) includes horizontal card and perpendicular card; Horizontal card both ends have a junction (51) respectively; Perpendicular card includes connecting portion (53) and following connecting portion (54), and last connecting portion (53) is connected with horizontal fastening, and following connecting portion (54) is a kind of " U " type member; Have the concentric pin-and-hole on the bipod of " U " type member, wherein the pin-and-hole of the pin outside is equipped with spring detent (6); One end of two secondary insulated hanging poles (1) respectively with horizontal card on two connecting portions (51) be fixedly connected; The other end connects screw mandrel (2); Screw mandrel (2) runs through the handle hole (41) of screw mandrel deck (4), and two screw mandrel operating parts (3) are installed in respectively on two screw mandrels (2) of top of screw mandrel deck (4).
2. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; Screw mandrel deck (4) is a center line with the opening draw-in groove (42) of centre; Be divided into left and right sides portion, the dead slot (47) that has an opening to make progress on the both sides, both sides are hollow because of fluting.
3. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 2 is characterized in that, on the left and right sides sidepiece of screw mandrel deck (4), opens plurality of through holes (48).
4. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 2; It is characterized in that; Jackscrew member (46) all is installed on the left and right sides face of in dead slot (47), locating near opening draw-in groove (42); Its axial line is vertical with the axial line of opening draw-in groove (42), is positioned at the middle part of opening draw-in groove (42).
5. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; All opened stopper slot (43) on each handle hole (41) of screw mandrel deck (4), stopper slot (43) is an open slot, and there is a steel disc (44) top; Be installed in stopper slot (43) top through a kind of fastener (45), covered the opening part of stopper slot (43).
6. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; The connecting portion (51) at horizontal card both ends is a kind of " U " type open slot; Opened concentric spacing hole (52) on the open slot (51), the axial line of spacing hole (52) is vertical with the horizontal axial line of horizontal card, and a kind of securing member is through this spacing hole (52) connection horizontal card and insulated hanging pole (1).
7. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; The last connecting portion (53) of perpendicular card is a kind of " U " type structure; Its axial line is vertical with the axial line of " U " type member of following connecting portion (54), and last connecting portion (53) is socketed in horizontal card below, and is fastenedly connected through securing member.
8. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 1 is characterized in that, insulated hanging pole has a plurality of spacing holes on (1), is distributed on the shaft of suspension rod.
9. tangent tower closed type insulator string on attachment plate earth potential live replacing device according to claim 1; It is characterized in that; Spring detent (6) includes guide (61), pin (62), spring (63) and operation ring (64); Spring (63) is installed in the madial wall of guide (61), and it is connecting pin (62), goes back the execution member of attended operation ring (64) simultaneously.
CN2010101307589A 2010-03-23 2010-03-23 Earth potential live replacing device for tangent tower closed type insulator string on attachment plate Active CN101916972B (en)

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CN103269038A (en) * 2013-05-28 2013-08-28 国家电网公司 Aerodynamic disc-shaped suspending type glass insulator replacing clamp
CN104283151B (en) * 2014-09-26 2017-02-22 国家电网公司 Tangent tower electrified double-fission wire lifting device
CN104682262A (en) * 2015-02-12 2015-06-03 中国南方电网有限责任公司超高压输电公司百色局 Conductor end fixture for replacing first insulator at conductor end of single-link suspension insulator string and application of conductor end fixture
CN110112677B (en) * 2019-06-06 2024-05-24 广东电网有限责任公司 Novel nest clearance instrument with adjustable can dismantle

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