CN105788995B - Outdoor PT change of fuses aid and its application method - Google Patents

Outdoor PT change of fuses aid and its application method Download PDF

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Publication number
CN105788995B
CN105788995B CN201610332614.9A CN201610332614A CN105788995B CN 105788995 B CN105788995 B CN 105788995B CN 201610332614 A CN201610332614 A CN 201610332614A CN 105788995 B CN105788995 B CN 105788995B
Authority
CN
China
Prior art keywords
rope
screw rod
button
perforation
holes
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
CN201610332614.9A
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Chinese (zh)
Other versions
CN105788995A (en
Inventor
吕琨璐
王晓平
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.)
NINGDONG POWER SUPPLY Co OF STATE GRID NINGXIA ELECTRIC POWER Co
Original Assignee
NINGDONG POWER SUPPLY Co OF STATE GRID NINGXIA ELECTRIC POWER Co
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 NINGDONG POWER SUPPLY Co OF STATE GRID NINGXIA ELECTRIC POWER Co filed Critical NINGDONG POWER SUPPLY Co OF STATE GRID NINGXIA ELECTRIC POWER Co
Priority to CN201610332614.9A priority Critical patent/CN105788995B/en
Publication of CN105788995A publication Critical patent/CN105788995A/en
Application granted granted Critical
Publication of CN105788995B publication Critical patent/CN105788995B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/25Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B3/00Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear

Abstract

The invention discloses a kind of outdoor PT change of fuses aid and its application method.The outdoor PT change of fuses aid includes the parts such as endless rope, No.1 rope, screw rod, screw bracket, jacking block and operation spanner, by the position and the annexation that rationally design above-mentioned all parts so that the present invention can substitute and manually hold out against top cover.After using above-mentioned replacing aid, the top cover of opening is held out against, personnel be may exit off, and top cover is arranged on PT fuse ceramic shells by a staff using coping screw, then will be changed aid and is disassembled.The present invention has the advantages that time saving and energy saving, easy to operate.

Description

Outdoor PT change of fuses aid and its application method
Technical field
The present invention relates to a kind of outdoor PT change of fuses aid and its application method.
Background technology
Voltage transformer abbreviation PT, voltage transformer fuse abbreviation PT fuses.PT fuses hold in actual motion Easily blow, it is therefore desirable to often change PT fuses.As shown in figure 1, PT fuses are placed in the inside of PT fuses ceramic shell 1, A top cover, such as top cover 2, top cover 2 is set to be threaded in PT fuses respectively in two ends of PT fuses ceramic shell 1 On ceramic shell 1, spring is respectively provided with the inner side of each top cover 2, the middle part of PT fuses ceramic shell 1 is arranged on insulation porcelain knob 3 Top, the bottom of insulation porcelain knob 3 are arranged on base 4.The mode of existing replacing PT fuses is:One of top cover 2 is beaten Open, PT fuses are placed on inside PT fuses ceramic shell 1, two staff withstand on PT fuses ceramic shell 1 respectively One end, after the top cover 2 of opening is installed into PT fuses ceramic shell 1, two staff can leave.As can be seen here, The mode of existing replacing PT fuses wastes time and energy, it is therefore desirable to further improves.
The content of the invention
It is an object of the invention to propose a kind of outdoor PT change of fuses aid, it is easy to auxiliary to the progress of PT fuses Replacing is helped, it is time saving and energy saving to have the advantages that.
To achieve these goals, the present invention adopts the following technical scheme that:
Outdoor PT change of fuses aid, including endless rope, No.1 rope, screw rod, screw bracket, jacking block and operation are pulled Hand;Wherein, left side perforation and right side perforation are provided with endless rope;
The middle part of screw bracket be provided be adapted with the screw rod screw rod perforation, screw rod by screw rod perforate through; The left end of screw bracket sets a left side to perforate, and sets a right side to perforate in screw bracket right-hand end;
A left side three holes button and one are sequentially provided between the perforation of the left side of endless rope and the left side perforation of screw bracket Individual left side holes button;Wherein, the rope of left side two is provided between the hole of left side three button and left side holes button and by No. two on the left of this Rope connection, the rope of left side three is provided between being perforated in the left side of left side holes button and screw bracket and is connected by No. three ropes on the left of this Connect;
A right side three holes button and one are sequentially provided between the perforation of the right side of endless rope and the right side perforation of screw bracket Individual right side holes button;Wherein, the rope of right side two is provided between the hole of right side three button and right side holes button and by No. two on the right side of this Rope connection, the rope of right side three is provided between being perforated on the right side of right side holes button and screw bracket and is connected by No. three ropes on the right side of this Connect;
The left end of No.1 rope is movably connected in three holes of left side and buckled, and No.1 rope is buckled as starting point successively with the hole of left side three Through the left side perforation and right side perforation of endless rope, the right-hand end of No.1 rope is movably connected in three holes of right side and buckled;
Jacking block is located at the front side of screw rod, and screw rod inverted draw cut is provided with jacking block;Operation spanner is arranged on the rear end of screw rod.
In addition, the invention also provides a kind of application method of outdoor PT change of fuses aid, the application method For above-mentioned outdoor PT change of fuses aid, it uses following steps:
(1) endless rope is enclosed on PT fuse ceramic shells, endless rope is located at middle part and the insulation of PT fuse ceramic shells The side of the top junction of porcelain knob;
Wherein, the left side perforation of endless rope and right side are perforated is located at the left side and right side of PT fuse ceramic shells respectively;
(2) left end of No.1 rope is movably connected in into three holes of left side first to buckle, No.1 rope is then passed through into annular The left side perforation of rope, and bypassed by the opposite side at the middle part and the top junction for the porcelain knob that insulate of PT fuse ceramic shells, then wear The right side perforation of endless rope is crossed, the right-hand end of last No.1 rope is movably connected in three holes of right side and buckled;
(3) will be worn on the left of the hole of left side three button, the rope of left side two, left side holes button, the rope of left side three and screw bracket Hole is sequentially connected;Meanwhile by the hole of right side three button, the rope of right side two, right side holes button, the rope of right side three and screw bracket Right side perforation is sequentially connected;
(4) screw rod being arranged on screw bracket, operation spanner is arranged on the rear end of screw rod, and jacking block is withstood on top cover, The leading section of screw rod is extend into inside screw rod inverted draw cut;
(5) screw rod is turned by operation spanner, jacking block is held out against on top cover, top cover is installed to PT fuse ceramic shells On;
Wherein, PT fuses are placed in the inside of PT fuse ceramic shells, distinguish in two ends of PT fuse ceramic shells One top cover is set, and top cover is connected on PT fuse ceramic shells by coping screw, and bullet is respectively provided with the inside of each top cover Spring, the middle part of PT fuse ceramic shells are arranged on the top of insulation porcelain knob, and the bottom for the porcelain knob that insulate is arranged on base.
The invention has the advantages that:
The replacing aid addressed in the present invention, can substitute and manually hold out against top cover.In using the present invention more Change after aid holds out against the top cover of opening, personnel be may exit off, and top cover is arranged on PT fuse porcelain by a staff On shell, then the replacing aid in the present invention is disassembled.The present invention has time saving and energy saving, easy to operate etc. Advantage.
Brief description of the drawings
Fig. 1 is the scheme of installation of outdoor PT fuses in the prior art;
Fig. 2 is the structural representation of outdoor PT change of fuses aid in the present invention;
Fig. 3 is the structural representation of endless rope in Fig. 2;
Fig. 4 is the structural representation of screw bracket in Fig. 2;
Fig. 5 is the structural representation of three holes of left side button and the hole of right side three button in Fig. 2;
Fig. 6 is the structural representation of left side holes button and right side holes button in Fig. 2;
Fig. 7 is the structural representation of screw rod in Fig. 2;
Fig. 8 is the structural representation of jacking block in Fig. 2;
Fig. 9 is the use state figure of outdoor PT change of fuses aid in the present invention;
Wherein, 1-PT fuses ceramic shell, 2- top covers, 3- insulation porcelain knobs, 4- bases, 5- endless ropes, 6- No.1 ropes, 7- spiral shells Bar, 8- screw brackets, 9- jacking blocks, 10- operation spanners, 11- perforate in left side, perforated on the right side of 12-, the perforation of 13- screw rods, 14- left sides Perforation, 15- perforate on right side, three holes button on the left of 16-, holes button on the left of 17-, the rope of 18- left sides two, No. three ropes on the left of 19-, 20- The hole of right side three is detained, holes button on the right side of 21-, No. two ropes on the right side of 22-, No. three ropes on the right side of 23-, 24- screw rod inverted draw cuts.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail to the present invention:
With reference to shown in Fig. 2, outdoor PT change of fuses aid, including endless rope 5, No.1 rope 6, screw rod 7, screw rod branch Frame 8, jacking block 9 and operation spanner 10.
As shown in figure 3, left side perforation 11 and right side perforation 12 are provided with endless rope 5.
As shown in figure 4, being provided with the screw rod perforation 13 being adapted with screw rod at the middle part of screw bracket 8, screw rod is worn by screw rod Hole passes through;One left side perforation 14 is set in the left end of screw bracket 8, one is set in the right-hand end of screw bracket 8 Right side perforation 15.
As shown in Fig. 2 perforated in the left side of endless rope is sequentially provided with one between 11 and the left side perforation 14 of screw bracket The hole of left side three button 16 and a left side holes button 17.Wherein,
The rope 18 of left side two is provided between the hole of left side three button 16 and left side holes button 17 and is connected by the rope of left side two; The rope 19 of left side three is provided between left side holes button 17 and left side perforation 14 and is connected by the rope of left side three.
Perforated on the right side of endless rope and three holes of right side button is sequentially provided between 12 and the right side perforation 15 of screw bracket 20 and a right side holes button 21.Wherein,
The rope 22 of right side two is provided between the hole of right side three button 20 and right side holes button 21 and is connected by the rope of right side two, The rope 23 of right side three is provided between right side holes button 21 and right side perforation 15 and is connected by No. three ropes on the right side of this.
As Fig. 5 respectively illustrates the structural representation of three holes of left side button 16 and the hole of right side three button 20.As Fig. 6 is respectively illustrated The structural representation of left side holes button 17 and right side holes button 21.
Make by using the above-mentioned hole of left side three button 16, the hole of right side three button 20, left side holes button 17 and right side holes button 21 For connector, it is easy to carry out disassembly and installation to the replacing aid in the present invention.
Buckled in addition, the left end of No.1 rope 6 is movably connected in three holes of left side on 16, and take the two of three holes of left side button 16 Individual hole.No.1 rope 6 with the hole of left side three buckle 16 for starting point sequentially pass through endless rope left side perforation 11 and right side perforation 12, No.1 The right-hand end of rope 6 is movably connected on three holes of right side button 20, and takes two holes of three holes of right side button 20.
No.1 rope 6 and the hole of left side three, which buckle the hole of 16, right side three and buckle 20 connected mode, can use for reference the connected mode of Schoolbag fastener. By above-mentioned connected mode can change No.1 rope 6 be located at the hole of left side three buckle 16 and the hole of right side three buckle effective length between 20.
Jacking block 9 is located at the front side of screw rod 7, and operation spanner 10 is arranged on the rear end of screw rod 7.
As Fig. 7 and Fig. 8 respectively illustrate the structural representation of screw rod 7 and jacking block 9.
As seen from Figure 7, the front end of screw rod 7 is pointed.As seen from Figure 8, jacking block 9 uses cylindric jacking block, Jacking block 9 is provided with screw rod inverted draw cut 24.In use, the front end of screw rod 7 is located inside screw rod inverted draw cut 24.
As Fig. 9 shows the use state figure of outdoor PT change of fuses aid in the present invention.
As seen from Figure 9, the top cover 2 of the rear side of PT fuses ceramic shell 1 is opened, will after PT fuses have been changed The top cover 2 of rear side is placed on the rear end of PT fuses ceramic shell 1, is then held out against top cover 2 using the present invention.
Specifically, the application method of outdoor PT change of fuses aid uses following steps:
(1) endless rope 5 is enclosed on PT fuses ceramic shell 1, and positioned at the middle part of PT fuses ceramic shell 1 and insulation porcelain The rear side of the top junction of post 3,
Wherein, the left side perforation 11 of endless rope and right side perforate 12 respectively positioned at the left side and the right side of PT fuse ceramic shells Side;
(2) left end of No.1 rope 6 is movably connected in into three holes of left side first to buckle on 16, then passed through No.1 rope 6 Endless rope left side perforation 11, and by PT fuses ceramic shell 1 middle part with insulation porcelain knob 3 top junction front side around Cross, be then passed through the right side perforation 12 of endless rope, the right-hand end of last No.1 rope is movably connected in three holes of right side and buckled on 20;
(3) rope 18 of 16, left side two, left side holes button 17, the rope 19 of left side three and screw bracket are detained into the hole of left side three Left side perforation 14 be sequentially connected;Meanwhile 20, right side two rope 22, right side holes button 21, right side three are detained into the hole of right side three The right side of rope 23 and screw bracket perforation 15 is sequentially connected;
(4) screw rod 7 is arranged on screw bracket 8, operation spanner 10 is arranged on the rear end of screw rod 7, after jacking block 9 is withstood on On the top cover 2 of side, the leading section of screw rod 7 is extend into inside screw rod inverted draw cut 24;
(5) screw rod 7 is turned by operation spanner 10, jacking block 9 is held out against on top cover 2;Top cover 2 is pacified by coping screw It is attached on PT fuses ceramic shell 1.
Wherein, coping screw has three groups and more than three groups, and each group coping screw is evenly arranged in a circumference of top cover 2 On.
During top cover 2 is installed, top cover 2 is constantly pushed ahead, because the left end of No.1 rope 6 is movably connected in On the hole of left side three button 16, and the right-hand end of No.1 rope is movably connected in three holes of right side and buckled on 20 so that top cover 2 is being pushed ahead During, the effective length of No.1 rope 6 adaptively shortens, and effect is held out against with keep jacking block 9.Left side two rope 18, left side No. three ropes 19, the effective length of No. three ropes 23 of the rope 22 of right side two and right side do not change in the installation process of top cover 2.
By above-mentioned application method, it can realize that the auxiliary of PT fuses more changes jobs easily and fast.
Certainly, described above is only presently preferred embodiments of the present invention, and the present invention is not limited to enumerate above-described embodiment, should When explanation, any those skilled in the art are all equivalent substitutes for being made, bright under the teaching of this specification Aobvious variant, all falls within the essential scope of this specification, ought to be protected by the present invention.

Claims (2)

1. outdoor PT change of fuses aid, it is characterised in that including endless rope, No.1 rope, screw rod, screw bracket, top Block and operation spanner;Wherein, left side perforation and right side perforation are provided with endless rope;
The middle part of screw bracket be provided be adapted with the screw rod screw rod perforation, screw rod by screw rod perforate through;In screw rod The left end of support sets a left side to perforate, and sets a right side to perforate in screw bracket right-hand end;
A left side three holes button and a left side are sequentially provided between the perforation of the left side of endless rope and the left side perforation of screw bracket Side holes button;Wherein, the rope of left side two is provided between the hole of left side three button and left side holes button and is connected by No. two ropes on the left of this Connect, the rope of left side three is provided between being perforated in the left side of left side holes button and screw bracket and by No. three rope connections on the left of this;
A right side three holes button and a right side are sequentially provided between the perforation of the right side of endless rope and the right side perforation of screw bracket Side holes button;Wherein, the rope of right side two is provided between the hole of right side three button and right side holes button and is connected by No. two ropes on the right side of this Connect, the rope of right side three is provided between being perforated on the right side of right side holes button and screw bracket and by No. three rope connections on the right side of this;
The left end of No.1 rope is movably connected in three holes of left side and buckled, and No.1 rope is buckled with the hole of left side three and sequentially passed through for starting point The left side perforation and right side perforation of endless rope, the right-hand end of No.1 rope are movably connected in three holes of right side and buckled;
Jacking block is located at the front side of screw rod, and screw rod inverted draw cut is provided with jacking block;Operation spanner is arranged on the rear end of screw rod.
2. the application method of outdoor PT change of fuses aid as claimed in claim 1, it is characterised in that including as follows Step:
(1) endless rope is enclosed on PT fuse ceramic shells, endless rope is located at middle part and the insulation porcelain knob of PT fuse ceramic shells Top junction side;
Wherein, the left side perforation of endless rope and right side are perforated is located at the left side and right side of PT fuse ceramic shells respectively;
(2) left end of No.1 rope is movably connected in into three holes of left side first to buckle, No.1 rope is then passed through into endless rope Left side is perforated, and is bypassed by the opposite side at the middle part and the top junction for the porcelain knob that insulate of PT fuse ceramic shells, and is then passed through ring The right side perforation of shape rope, the right-hand end of last No.1 rope are movably connected in three holes of right side and buckled;
(3) by the left side perforation of the hole of left side three button, the rope of left side two, left side holes button, the rope of left side three and screw bracket according to It is secondary to connect;Meanwhile by the right side of the hole of right side three button, the rope of right side two, right side holes button, the rope of right side three and screw bracket Perforation is sequentially connected;
(4) screw rod is arranged on screw bracket, operation spanner is arranged on the rear end of screw rod, jacking block is withstood on top cover, screw rod Leading section extend into inside screw rod inverted draw cut;
(5) screw rod is turned by operation spanner, jacking block is held out against on top cover, top cover is installed on PT fuse ceramic shells;
Wherein, PT fuses are placed in the inside of PT fuse ceramic shells, are set respectively in two ends of PT fuse ceramic shells One top cover, top cover are arranged on PT fuse ceramic shells by coping screw, and spring, PT are respectively provided with the inside of each top cover The middle part of fuse ceramic shell is arranged on the top of insulation porcelain knob, and the bottom for the porcelain knob that insulate is arranged on base.
CN201610332614.9A 2016-05-19 2016-05-19 Outdoor PT change of fuses aid and its application method Expired - Fee Related CN105788995B (en)

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Application Number Priority Date Filing Date Title
CN201610332614.9A CN105788995B (en) 2016-05-19 2016-05-19 Outdoor PT change of fuses aid and its application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610332614.9A CN105788995B (en) 2016-05-19 2016-05-19 Outdoor PT change of fuses aid and its application method

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CN105788995B true CN105788995B (en) 2017-12-08

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