CN215989997U - Live line isolation and fixation combination device - Google Patents
Live line isolation and fixation combination device Download PDFInfo
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- CN215989997U CN215989997U CN202122451452.XU CN202122451452U CN215989997U CN 215989997 U CN215989997 U CN 215989997U CN 202122451452 U CN202122451452 U CN 202122451452U CN 215989997 U CN215989997 U CN 215989997U
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Abstract
The utility model discloses an isolating and fixing combined device for live conductors, belongs to a high-voltage live-line operation construction instrument of a power system, relates to an operation auxiliary tool for live conductors, and particularly relates to an isolating and fixing combined device suitable for live conductors of a high-voltage line. The wire clamp comprises a wire clamp base, a wire pressing plate, a locking bolt, an insulating rod separation mechanism, an insulating rod, a sleeve and an insulating hook; the wire clamp base comprises a body, a wire clamp base body and a wire clamp base, wherein the body comprises an upper body, a lower body and a side wall, and two semicircular first wire grooves and two semicircular second wire grooves are formed in the inner side of the upper body in parallel; two through grooves are formed in the vertical direction of the lower body; the two locking bolts respectively penetrate through the two through grooves; one end of the insulating rod is connected with the outer end part of one locking bolt through the insulating rod separation mechanism and the sleeve, and the other end of the insulating rod is connected with the insulating hook and is relatively fixed; the sleeve is sleeved outside the insulating rod separation mechanism, and the head of the sleeve is matched and fixed with the locking bolt. The device is safe and quick to operate, and improves the construction efficiency.
Description
Technical Field
The utility model discloses an isolating and fixing combined device for live conductors, belongs to a high-voltage live-line operation construction instrument of a power system, relates to an operation auxiliary tool for live conductors, and particularly relates to an isolating and fixing combined device suitable for live conductors of a high-voltage line.
Background
The 10 kV high-voltage live working refers to the working of overhauling an overhead line or equipment by adopting various modes under the condition that a power user does not cut off power. When live construction work is carried out on a 10 kV high-voltage power line, an operator is generally required to wear a complete set of insulation protection tools to carry out intermediate potential work. In the operation process, an operator controls the insulating bucket arm vehicle to be incapable of touching the lead and keep enough safety distance with the cross arm and the insulator; during the transmission process of the conducting wire, a ground potential object is required to be crossed with the conducting wire with different phases. Therefore, multiple insulation isolation is required for wires, cross arms, insulators, etc. which may be contacted during the above operation.
When the live-line dismantling and assembling of the lead and the line maintenance are carried out, the operation time is required to be shortened as much as possible. However, after the wires are disassembled at present, the insulated bucket arm vehicle needs to be operated up and down for multiple times to insulate and isolate the disconnected wires; and after the line is overhauled, the conducting wire is restored to be conducted on the original main line to be lapped and fixed. Such a method is time consuming and also presents the risk of causing short circuits in the lines and electrocution of personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a live wire isolation and fixation combination device aiming at the defects, which can effectively isolate and fix live wires, especially live wires of high-voltage lines, save the time for transferring, transferring and isolating and fixing the live wires in an electrified area by an insulation bucket of a special overhead insulation operation vehicle, reduce the labor intensity of personnel and improve the efficiency and the safety.
The utility model is realized by adopting the following technical scheme:
an isolating and fixing combined device for live conductors comprises a wire clamp base, a conductor pressing plate, a locking bolt, an insulating rod separating mechanism, an insulating rod, a sleeve and an insulating hook; the wire clamp base is a half-frame-shaped body, the body comprises an upper body, a lower body and a side wall, the side wall is positioned between the upper body and the lower body, and the three parts are integrated; the inner side of the upper body is provided with a first semicircular lead groove and a second semicircular lead groove in parallel; two through grooves are formed in the vertical direction of the lower body, correspond to the first wire guide groove and the second wire guide groove in position respectively and are longitudinally coaxial; the two locking bolts respectively penetrate through the two through grooves, and the end parts of the locking bolts press the lead wires through the lead wire pressing plate; one end of the insulating rod is connected with the outer end part of one locking bolt through the insulating rod separation mechanism and the sleeve, and the other end of the insulating rod is connected with the insulating hook and is relatively fixed; the sleeve is a spiral sleeve, and the number of grooves of the sleeve is matched with that of the locking bolt; the sleeve is sleeved outside the insulating rod separation mechanism, and the head of the sleeve is matched and fixed with the locking bolt.
The two locking bolts are respectively a first locking bolt and a second locking bolt; the lead pressing plate comprises a first lead pressing plate and a second lead pressing plate; a first lead pressing plate corresponding to the first lead groove is arranged on the side wall of the upper part of the first lead groove; the first locking bolt vertically penetrates through the corresponding through groove and abuts against the first lead pressing plate; after the second locking bolt vertically penetrates through the corresponding through groove, a second lead pressing plate which is relatively fixed is sleeved at the end part of the second locking bolt.
In order to ensure that the lead is better fixed in operation, semicircular lead grooves corresponding to the first lead grooves and the second lead grooves are formed in the first lead pressing plate and the second lead pressing plate.
The insulating rod separation mechanism adopts a sleeve automatic separation device and comprises a first connecting piece and a second connecting piece, the first connecting piece comprises an integrated columnar plug-in part and a holding part, and the plug-in part is arranged at one end of the holding part; the head part of the inserting part is provided with two symmetrical inserting columns; a protruding limit ring is arranged between the inserting part and the holding part; the second connecting piece comprises an integrated columnar connecting part and a card inserting part, the card inserting part is hollow, a card inserting slot is arranged on a column body of the card inserting part, the card inserting slot is in a faucet shape, and the size of the card inserting slot is matched with the inserting column of the first connecting piece, so that the inserting column can be conveniently inserted in the card inserting slot; the first connecting piece and the second connecting piece are matched and fixedly connected with each other through the inserting column and the card inserting slot. When the card slot is used, the inserting part extends into the card inserting part, the inserting column enters along the longitudinal direction of the card slot and then transversely enters, and finally reaches the rear part of the card slot to realize fixed matching; when the first connecting piece and the second connecting piece need to be separated, the holding portion and the connecting portion are respectively held, the inserting column of the inserting portion transversely exits from the card slot, and then longitudinally exits, and finally separation is achieved.
The hook body of the insulating hook is in a bent umbrella handle shape, and the vertical part of the hook body is hollow and is provided with internal threads; two arc-shaped clamping parts are oppositely arranged on the inner side of the hook body and used for clamping the insulated conducting wire; the clamping part and the hook body are fixed by a pin shaft, so that the clamping part can rotate around the pin shaft; the head part of the hook body is provided with a clamping part folding groove, the size of the clamping part folding groove is matched with that of the clamping part, and when the insulated conducting wire is inserted or pulled out, the clamping part can be screwed into the clamping part folding groove; when the insulated conductor is in place, the clamping part restores to the original position to clamp the insulated conductor.
The utility model has the advantages that: by using the device, when an electric power system is in hot-line work construction on a high-voltage line, a connected wire can be attached directly, the connected wire is fixed on a hot-line main line in a lap joint manner directly through the operation angle required by work, and then the separation of a wire clamp base and an insulating rod is realized; in addition, after the device is used for disassembling the connected lead, the attached connected lead can be ensured to have enough insulation distance with the electrified main line, the risk that an operator has a circuit in series and touches different electric potentials when the operator switches on and off the branch circuit lead is avoided, the safety is improved, meanwhile, the time for the insulation bucket of a special overhead insulation operation vehicle to transfer and isolate the fixed lead in an electrified area can be saved, the electrified disconnection and connection of the fixed lead are more convenient and quick, the labor intensity is reduced, and the construction efficiency is improved.
Drawings
The utility model will be further explained with reference to the drawings in which:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention in use;
FIG. 3 is a schematic structural view of an insulation bar detachment mechanism of the present invention 1;
FIG. 4 is a schematic structural view of an insulation bar detachment mechanism of the present invention, FIG. 2;
FIG. 5 is a schematic view of a second connector of the present invention;
FIG. 6 is a front view of the second connector of the present invention;
FIG. 7 is a schematic structural view of a first connector of the present invention;
FIG. 8 is a front elevational view of the first connector of the present invention;
FIG. 9 is a schematic view of the construction of the insulated hook of the present invention;
FIG. 10 is a front view of the construction of the insulating hook of the present invention;
FIG. 11 is a left side view of FIG. 10;
FIG. 12 is a schematic view of the sleeve construction of the present invention;
fig. 13 is a front view of the sleeve construction of the present invention.
In the figure, 1, a wire clamp base, 1-1, an upper body, 1-2, a side wall, 1-3, a lower body, 2-1, a first lead pressing plate, 2-2, a second lead pressing plate, 3-1, a first locking bolt, 3-2, a second locking bolt, 4, an insulating rod disengaging mechanism, 5, an insulating rod, 6, a sleeve, 7, an insulating hook, 7-1, internal threads, 7-2, a clamping part, 7-3, a pin shaft, 7-4, a clamping part folding groove, 8-1, a first lead groove, 8-2, a second lead groove, 9, a lead groove, 10, a first connecting piece, 10-1, a plugging part, 10-2, a holding part, 10-3, a plugging column, 10-4, a limiting ring, 11, a second connecting piece, 11-1, a connecting part, 11-2, a limiting ring, a first connecting part, a second connecting part, a third connecting part, a fourth connecting part, Card inserting portion, 11-3, card slot, 12, live wire, 13, insulating wire.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to the attached drawings, the utility model relates to an isolating and fixing combined device for live wires, which comprises a wire clamp base 1, a wire pressing plate, a locking bolt, an insulating rod separating mechanism 4, an insulating rod 5, a sleeve 6 and an insulating hook 7; the wire clamp base 1 is a half-frame-shaped body, the body comprises an upper body 1-1, a lower body 1-3 and a side wall 1-2, the side wall 1-2 is positioned between the upper body 1-1 and the lower body 1-3, and the three parts form a whole; the inner side of the upper body 1-1 is provided with two semicircular first wire grooves 8-1 and second wire grooves 8-2 in parallel; two through grooves are formed in the vertical direction of the lower body 1-3, correspond to the positions of the first wire guide groove 8-1 and the second wire guide groove 8-2 respectively and are longitudinally coaxial; the two locking bolts respectively penetrate through the two through grooves, and the end parts of the locking bolts press the lead wires through the lead wire pressing plate; one end of an insulating rod 5 is connected with the outer end part of one locking bolt through an insulating rod separation mechanism 4 and a sleeve 6, and the other end of the insulating rod 5 is connected with an insulating hook 7 and is relatively fixed; the sleeve 6 is a spiral sleeve, and the number of grooves of the sleeve is matched with that of the locking bolt; the sleeve 6 is sleeved outside the insulating rod separation mechanism 4, and the head of the sleeve 6 is matched and fixed with the locking bolt; after the wire clamp base 1 is fixed, the insulating rod 5 is separated from the wire clamp base 1 through the insulating rod separating mechanism 4.
In the present embodiment, the two locking bolts are a first locking bolt 3-1 and a second locking bolt 3-2, respectively; the lead pressing plate comprises a first lead pressing plate 2-1 and a second lead pressing plate 2-2; a first lead pressing plate 2-1 corresponding to the first lead groove 8-1 is arranged on the side wall of the upper part of the first lead groove 8-1; the first locking bolt 3-1 vertically penetrates through the corresponding through groove and abuts against the first lead pressing plate 2-1; after the second locking bolt 3-2 vertically penetrates through the corresponding through groove, a second lead pressing plate 2-2 which is relatively fixed is sleeved at the end part of the second locking bolt 3-2.
The first lead pressing plate 2-1 and the second lead pressing plate 2-2 are provided with semicircular lead grooves corresponding to the first lead groove 8-1 and the second lead groove 8-2, so that the lead is better fixed in operation.
The insulating rod separation mechanism 4 adopts a sleeve automatic separation device as shown in the figure and comprises a first connecting piece 10 and a second connecting piece 11, wherein the first connecting piece 10 comprises an integrated columnar plug-in part 10-1 and a holding part 10-2, and the plug-in part 10-1 is arranged at one end of the holding part 10-2; the head of the inserting part 10-1 is provided with two symmetrical inserting columns 10-3; a protruding limit ring 10-4 is arranged between the insertion part 10-1 and the holding part 10-2; the second connecting piece 11 comprises an integrated columnar connecting part 11-1 and a card inserting part 11-2, the card inserting part 11-2 is hollow, a card inserting slot 11-3 is arranged on a column body of the card inserting part 11-2, the card inserting slot 11-3 is in a faucet shape, the size of the card inserting slot 11-3 is matched with that of the inserting column 10-3 of the first connecting piece 10, and the inserting column 10-3 can be conveniently inserted in the card inserting slot 11-3; the first connecting piece 10 and the second connecting piece 11 are matched and fixedly connected with the card slot 11-3 through the plug-in column 10-3. When the plug-in connector is used, the plug-in connector 10-1 extends into the card plug-in part 11-2, the plug-in column 10-3 enters longitudinally along the card slot 11-3 and then transversely enters, and finally reaches the rear part of the card slot 11-3 to realize fixed matching; when the first connecting piece 10 and the second connecting piece 11 need to be separated, the plugging column 10-3 of the plugging part 10-1 is transversely withdrawn from the card slot 11-3 and then longitudinally withdrawn, and finally the separation is realized.
As shown in the figure, the hook body of the insulating hook 7 is in a bent umbrella handle shape, the vertical part of the hook body is hollow, and is provided with internal threads 7-1; two arc-shaped clamping parts 7-2 are oppositely arranged on the inner side of the hook body and used for clamping the insulated wire 13; the clamping part 7-2 and the hook body are fixed by a pin 7-3, so that the clamping part 7-2 can rotate around the pin 7-3; the head part of the hook body is provided with a clamping part folding groove 7-4, the size of the clamping part folding groove 7-4 is matched with that of the clamping part 7-2, and when the insulated conducting wire 13 is inserted or pulled out, the clamping part 7-2 can be screwed into the clamping part folding groove 7-4; when the insulated wire 13 is in place, the clamping part 7-2 restores the original position to clamp the insulated wire 13.
In practical use, the insulating rod 5 and the insulating hook 7 can be connected through a sleeve or direct threads. The whole device can be disassembled and combined for use according to the needs.
At present, in a conventional 10 kV high-voltage live working mode, the working steps of a lead wire which needs to be recovered for live matching and dismantling are as follows:
1. an operating electrician enters the overhead insulating bucket arm vehicle, operates the bucket arm vehicle to a live wire operating position, and conducts multiple insulation shielding on all live bodies and grounding bodies in an operating range according to the insulation shielding sequence of 'from near to far', 'from bottom to top' and 'first live body and then grounding body';
2. then operating the bucket arm vehicle to start to detach the lap joint point of the lead and the main line;
3. after the dismounting is finished, the dismounted lead wire is required to be held by an operator, slowly coiled into a small loop, and bound to an insulation shield by a binding wire through a safe position where the insulation bucket arm vehicle is operated to descend;
4. other two phases of wires are sequentially subjected to repeated operation of the bucket arm truck and isolated binding and insulating shielding of the lead according to the sequence 1-3;
5. after the shielding is finished, corresponding equipment, wires and the like are maintained, after the maintenance is finished, the lap joint is recovered, when the lap joint is started, the lead wires which are required to be insulated and shielded and bound by an operation electrician before a handle bar of the bucket arm is operated firstly are loosened, then the lead wires are coiled into a small circle before the handle bar is held, the bucket arm vehicle is slowly controlled to move upwards to a main line with an electrified upper part, the lead wires are required to be transmitted to the main line (particularly, when the rod type of the shielding wire is arranged, time-consuming and personnel potential safety hazards exist when the ground potential obstacle needs to be crossed), and after the transmission is finished, the lead wires and the main line are fixed through a wire clamp through a wrench for manpower. The other two phases of wires are sequentially carried out according to the sequence.
When the device is used for carrying out the lead wire operation of live-line matching and dismantling and building and further recovering, the device comprises the following steps:
1. an operating electrician enters the overhead insulating bucket arm truck, operates the bucket arm truck to a live conductor operating position, and starts to detach the lap joint point of the lead and the main line;
2. after the dismounting is finished, an operating electrician fixes the dismounted end part of the lead head into the wire clamp base of the device, compresses the lead through the lead pressing plate, directly transmits the lead to a lower safe position through the insulating rod, and finally hangs the insulating hook at the other end of the operating feeling of the device on the main wire, so that the time, labor and safety are saved;
and (3) after the 3-phase lead wires are all isolated by the device according to the step 2, beginning to overhaul corresponding equipment, wires and the like. After the overhaul is finished, the lap joint is recovered, and when the lap joint is started, the insulating rod of the handheld device slightly rotates and pushes upwards only by controlling the position below the live wire of the bucket arm vehicle, so that the wire clamp base can be separated from the insulating rod through the insulating rod separating mechanism; then in turn, directly pass through this device transmission lead wire to the thread in the live wire below, treat that the fastener base hangs the back on the thread, can directly lock the fastener base for insulator spindle breaking away from the mechanism through rotatory insulator spindle transmission power, make lead wire and thread firmly fixed overlap joint, after the overlap joint is accomplished, only need handheld insulator spindle to push away upwards, rotate insulator spindle down gently and just can utilize insulator spindle breaking away from the separation between the mechanism realization insulator spindle and the fastener base, only let the fastener base fix the lead wire on the thread. And the other 2-phase wires are sequentially carried out according to the sequence.
The utility model has the advantages that: can directly attach by the line conductor, will be connected the line conductor overlap joint and fix on electrified mainline, the fixed back of accomplishing of overlap joint can separate insulator spindle and fastener through breaking away from the mechanism, uses this device simultaneously can guarantee to attach the line and have sufficient insulation distance with electrified mainline when taking apart by the line conductor, improves the security, makes electrified tear open and take high-tension line convenient and fast more, improves the efficiency of construction.
Claims (5)
1. The utility model provides a live wire is kept apart, fixed composite set which characterized in that: the device comprises a wire clamp base, a wire pressing plate, a locking bolt, an insulating rod separation mechanism, an insulating rod, a sleeve and an insulating hook; the wire clamp base is a half-frame-shaped body, the body comprises an upper body, a lower body and a side wall, the side wall is positioned between the upper body and the lower body, and the three parts are integrated; the inner side of the upper body is provided with a first semicircular lead groove and a second semicircular lead groove in parallel; two through grooves are formed in the vertical direction of the lower body, correspond to the first wire guide groove and the second wire guide groove in position respectively and are longitudinally coaxial; the two locking bolts respectively penetrate through the two through grooves, and the end parts of the locking bolts press the lead wires through the lead wire pressing plate; one end of the insulating rod is connected with the outer end part of one locking bolt through the insulating rod separation mechanism and the sleeve, and the other end of the insulating rod is connected with the insulating hook and is relatively fixed; the sleeve is a spiral sleeve, and the number of grooves of the sleeve is matched with that of the locking bolt; the sleeve is sleeved outside the insulating rod separation mechanism, and the head of the sleeve is matched and fixed with the locking bolt.
2. The live wire isolation and securement assembly of claim 1, wherein: the two locking bolts are respectively a first locking bolt and a second locking bolt; the lead pressing plate comprises a first lead pressing plate and a second lead pressing plate; a first lead pressing plate corresponding to the first lead groove is arranged on the side wall of the upper part of the first lead groove; the first locking bolt vertically penetrates through the corresponding through groove and abuts against the first lead pressing plate; after the second locking bolt vertically penetrates through the corresponding through groove, a second lead pressing plate which is relatively fixed is sleeved at the end part of the second locking bolt.
3. The live wire isolation and securement assembly of claim 2, wherein: the first lead pressing plate and the second lead pressing plate are provided with semicircular lead grooves corresponding to the first lead grooves and the second lead grooves.
4. The live wire isolation and fixation assembly as claimed in claim 1 or 2, wherein: the insulating rod separation mechanism adopts a sleeve automatic separation device and comprises a first connecting piece and a second connecting piece, the first connecting piece comprises an integrated columnar plug-in part and a holding part, and the plug-in part is arranged at one end of the holding part; the head part of the inserting part is provided with two symmetrical inserting columns; a protruding limit ring is arranged between the inserting part and the holding part; the second connecting piece comprises an integrated columnar connecting part and a card inserting part, the card inserting part is hollow, a card inserting slot is arranged on a column body of the card inserting part, the card inserting slot is in a faucet shape, and the size of the card inserting slot is matched with the inserting column of the first connecting piece, so that the inserting column can be conveniently inserted in the card inserting slot; the first connecting piece and the second connecting piece are matched and fixedly connected with each other through the inserting column and the card inserting slot.
5. The live wire isolation and fixation assembly as claimed in claim 1 or 2, wherein: the hook body of the insulating hook is in a bent umbrella handle shape, and the vertical part of the hook body is hollow and is provided with internal threads; two arc-shaped clamping parts are oppositely arranged on the inner side of the hook body and used for clamping the insulated conducting wire; the clamping part and the hook body are fixed by a pin shaft, so that the clamping part can rotate around the pin shaft; the head of the hook body is provided with a clamping part folding groove, and the size of the clamping part folding groove is matched with that of the clamping part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122451452.XU CN215989997U (en) | 2021-10-12 | 2021-10-12 | Live line isolation and fixation combination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122451452.XU CN215989997U (en) | 2021-10-12 | 2021-10-12 | Live line isolation and fixation combination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215989997U true CN215989997U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122451452.XU Active CN215989997U (en) | 2021-10-12 | 2021-10-12 | Live line isolation and fixation combination device |
Country Status (1)
| Country | Link |
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| CN (1) | CN215989997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321412A (en) * | 2022-09-13 | 2022-11-11 | 云南电网有限责任公司红河供电局 | Live line lifting device |
-
2021
- 2021-10-12 CN CN202122451452.XU patent/CN215989997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115321412A (en) * | 2022-09-13 | 2022-11-11 | 云南电网有限责任公司红河供电局 | Live line lifting device |
| US11817681B1 (en) | 2022-09-13 | 2023-11-14 | Honghe Power Supply Bureau Of Yunnan Power Grid Co., Ltd | Electrified wire lifting device |
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