CN107492829B - Method for fixing lock rod on branch lead and connecting lead on distribution line with electricity - Google Patents
Method for fixing lock rod on branch lead and connecting lead on distribution line with electricity Download PDFInfo
- Publication number
- CN107492829B CN107492829B CN201710754756.9A CN201710754756A CN107492829B CN 107492829 B CN107492829 B CN 107492829B CN 201710754756 A CN201710754756 A CN 201710754756A CN 107492829 B CN107492829 B CN 107492829B
- Authority
- CN
- China
- Prior art keywords
- lead
- branch
- rod
- lead fixing
- branch lead
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention provides a branch lead fixing lock rod and a method for connecting a lead in a distribution line in a charged manner, wherein the branch lead fixing lock rod comprises a rod body, a hanging connector and a lead fixing component, the hanging connector is a U-shaped rod with a downward opening, one end of the hanging connector is connected with the upper end of the rod body, the other end of the hanging connector and the opening are both positioned on one side of the rod body, and the lead fixing component can be detachably arranged on the rod body; the lead fixing assembly comprises a lead fixing head and a connecting ring, the connecting ring is detachably sleeved on the rod body, the lead fixing head is fixedly connected with the connecting ring, the lead fixing head is positioned on the other side of the rod body, and the lead fixing head can clamp a branch lead; the method for connecting the lead in the distribution line with the electricity is implemented through the branch lead fixing lock rod. According to the invention, in the process of carrying out power connection on one of the branch leads, the branch lead which is not connected with power can be effectively fixed, and the situation that the branch lead which is not connected with power swings and is touched by an operator by mistake due to the external environment is prevented.
Description
Technical Field
The invention relates to a live working safety operation auxiliary device and a live working safety operation auxiliary method, in particular to a branch lead fixing lock rod and a live lead connecting method of a distribution line by adopting the branch lead fixing lock rod.
Background
In live working of distribution lines, the most common item is to electrically connect three-phase branch leads using an insulated-lever operation method. In the live working safety regulation, it is clearly defined that one of the three-phase branch leads is connected to a live wire, and when the other two-phase branch leads are connected to a live wire, the other two-phase branch leads are also regarded as live wires. However, in the current operation process of connecting the lead wires by the operating rod, after one branch lead wire is connected with the corresponding main lead wire, other two phases of lead wires which are not connected with the operating rod are in a suspended state and are not effectively controlled, and under the factors of transposition, blowing and the like of an operator, the lead wires which are not installed possibly swing to cause the operator to bump by mistake, so that the safety accident of the operator is caused, and therefore, serious potential safety hazards exist.
Disclosure of Invention
The invention aims to provide a branch lead fixing lock rod and a method for live connection of a distribution line, which can effectively fix other two branch leads when one branch lead is connected, thereby avoiding the other two branch leads from being touched by operators by mistake and ensuring the safety of the operators.
In order to achieve the above-mentioned purpose, the present invention provides a branch lead fixing lock rod, wherein the branch lead fixing lock rod includes a rod body, a hanging connector and a lead fixing component, the hanging connector is a U-shaped rod with a downward opening, one end of the hanging connector is connected with the upper end of the rod body, the other end of the hanging connector and the opening are both located at one side of the rod body, and the lead fixing component is detachably mounted on the rod body;
the lead fixing assembly comprises a lead fixing head and a connecting ring, the connecting ring is detachably sleeved on the rod body, the lead fixing head is fixedly connected with the connecting ring, the lead fixing head is positioned on the other side of the rod body, and the lead fixing head can clamp branch leads.
The branch lead fixing lock rod comprises the arc-shaped plate, the connecting plate, the supporting plate, the baffle, the pull rod, the pressure spring and the pull rope, wherein the arc-shaped plate is of an arc-shaped structure with the middle part protruding upwards and the two ends extending downwards, one end of the arc-shaped plate is connected with the upper end of the connecting plate, the lower end of the connecting plate is connected with one end of the supporting plate, the arc-shaped plate and the supporting plate are both positioned on the first side of the connecting plate, the supporting plate is perpendicular to the connecting plate, the surface of the second side of the connecting plate is fixedly connected with the connecting ring, and the connecting plate is parallel to the rod body;
the pull rod with connecting plate parallel arrangement, the lower extreme of pull rod runs through the backup pad, just the lower extreme of pull rod passes through the stay cord with the body of rod is connected, the upper end of pull rod with the baffle is connected, the baffle with backup pad parallel arrangement, the pressure spring cover is established on the pull rod, the upper end of pressure spring is supported and is in on the lower surface of baffle, the lower extreme of pressure spring is supported and is leaned on the upper surface of backup pad, the pressure spring upwards pushes away and supports the baffle, the both sides edge of baffle can with the inboard surface at the both ends of arc contacts each other, just the baffle with the arc encloses to form and is used for the accommodation branch lead's accommodation space.
The branch lead fixing lock rod is characterized in that the lower end of the pull rod is provided with the limiting ring, the outer diameter of the limiting ring is larger than that of the pull rod, and the pull rope is connected with the pull rod through the limiting ring.
The branch lead fixing lock rod as described above, wherein a distance between a connection point between the rod body and the hitch coupler and a top of the arc plate is greater than or equal to 40cm.
The branch lead fixing lock rod is characterized in that the two ends of the hanging connector are respectively provided with the lock tongues which can be elastically opened and closed, the two lock tongues are convexly arranged on the surfaces of the two ends of the hanging connector in the direction of the inner part of the opening towards the direction of being close to each other, and the two lock tongues can reduce the minimum size of the opening.
The branch lead fixing lock rod is characterized in that the hanging connector is formed by bending a tubular structure with a hollow inside, two lock tongues penetrate through the side wall of the tubular structure from the inside of the tubular structure to extend into the opening, two coil springs are arranged in the inside of the tubular structure corresponding to the two lock tongues, one ends of the coil springs are fixed in the inside of the tubular structure, the other ends of the coil springs are connected with the corresponding lock tongues, and the coil springs push the corresponding lock tongues to penetrate through the side wall of the tubular structure to extend into the opening.
The branch lead fixing lock bar as described above, wherein the length of the bar body is 240cm or more.
The branch lead fixing lock rod is characterized in that the rod body is made of an insulating material, the hanging connector is made of an insulating material, and the pull rope is a pull rope made of an insulating material.
The invention also provides a method for connecting the lead with the distribution line, wherein the method for connecting the lead with the distribution line is implemented by adopting the branch lead fixing lock rod, and the method for connecting the lead with the distribution line comprises the following steps:
step S1: the first branch lead is clamped into a first lead fixing head of a first branch lead fixing lock rod, and is hung on a first main lead through a hanging joint of the first branch lead fixing lock rod;
step S2: the second branch lead is clamped into a second lead fixing head of a second branch lead fixing lock rod, and is hung on a second main lead through a hanging joint of the second branch lead fixing lock rod;
step S3: connecting the third branch lead into a third main lead;
step S4: taking the first branch lead out of a first lead fixing head of the first branch lead fixing lock lever, and connecting the first branch lead into the first main wire;
step S5: and taking the second branch lead out of a second lead fixing head of the second branch lead fixing lock rod, and connecting the second branch lead into the second main lead.
The method for live connection of a distribution line as described above, wherein the step S4 further includes removing the first branch lead fixing lock bar from the first main lead after the first branch lead is connected to the first main lead.
The method for live connection of a distribution line as described above, wherein the step S5 further includes removing the second branch lead fixing lock bar from the second main lead after the second branch lead is connected to the second main lead.
Compared with the prior art, the invention has the following advantages:
the branch lead fixing lock rod provided by the invention can effectively fix the branch lead which is not connected with electricity in the process of connecting one branch lead by an operator, thereby preventing the condition that the branch lead which is not connected with electricity swings and is easily touched by the operator by mistake due to the external environment; the method for connecting the lead with the power distribution line can effectively avoid the situation that other branch leads which are not connected with the power supply swing to be in false contact with the operator when the operator connects the power supply of one branch lead, thereby effectively ensuring the operation safety.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic view of a branch lead fixing latch according to the present invention;
FIG. 2 is an enlarged schematic view of a part of the structure of FIG. 1;
FIG. 3 is a schematic view of the branched lead fixing lock bar provided by the invention in the use process;
FIG. 4 is a flow chart of a method for live wiring of a distribution line provided by the present invention;
fig. 5 is another flow chart of a method for live wiring of a distribution line provided by the present invention.
Reference numerals illustrate:
100. branch lead fixing lock rod
1. Rod body
2. Hanging joint
21. Spring bolt
22. Coil spring
3. Lead fixing assembly
31. Lead fixing head
311. Arc-shaped plate
312. Connecting plate
313. Supporting plate
314. Baffle plate
315. Compression spring
316. Pull rope
317. Accommodating space
318. Pull rod
319. Limiting ring
32. Connecting ring
200. Main conductor
300. Branched lead
Detailed Description
For a clearer understanding of the technical solutions, objects and effects of the present invention, specific embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 to 3, the present invention provides a branch lead fixing lock lever, wherein the branch lead fixing lock lever 100 includes a lever body 1, a hanging connector 2 and a lead fixing component 3, the hanging connector 2 is a U-shaped lever body with a downward opening, one end of the hanging connector 2 is connected with the upper end of the lever body 1, the other end and the opening of the hanging connector 2 are both located at one side of the lever body 1, wherein the hanging connector 2 is used for hanging with a main lead 200, and the lever body 1 is used for holding by an operator, during the use, the operator holds the lever body 1 to lift the hanging connector 2 above the main lead 200, so that the opening of the hanging connector 2 corresponds to the main lead 200, and moves the lever body 1 downwards, so that the main lead 200 enters the inner side of the U-shaped structure from the opening of the hanging connector 2, thereby hanging the present invention on the main lead 200, the lead fixing component 3 is detachably mounted on the lever body 1, and the lead fixing component 3 is used for fixing the branch lead 300 which is not connected, when the present invention is hung on the main lead 200 through the hanging connector 2, the present invention can effectively position the branch lead 300 when the main lead 300 is held by the hanging connector, and the swing is prevented from being in a state of not connected with the main lead 300, and the swing is easy, and the swing operation is not connected to the branch lead 300 is in which is in a state of the swing is easy. For convenience in operation, when the branch leads 300 which are not connected are fixed, the branch leads 300 which are not connected are usually hung on the main wires 200 to be connected to the branch leads 300 through the invention, so that the situation that the branch leads 300 are connected in error can be effectively avoided.
The lead fixing assembly 3 includes a lead fixing head 31 and a connecting ring 32, the connecting ring 32 is detachably sleeved on the rod body 1, the lead fixing head 31 is fixedly connected with the connecting ring 32, specifically, the lead fixing head 31 is detachably mounted on the rod body 1 through the connecting ring 32, the connecting ring 32 is used for adjusting the position of the lead fixing head 31 on the rod body 1, that is, the position of the connecting ring 32 sleeved on the rod body 1 is not fixed, an operator can select a proper position of the connecting ring 32 sleeved on the rod body 1 according to factors such as height, that is, the lead fixing head 31 is fixed at a proper position on the rod body 1, and the invention is not limited to this; the lead fixing head 31 is positioned at the other side of the rod body 1, namely the lead fixing head 31 and the hanging connector 2 are arranged at two sides of the rod body 1 in opposite directions, so as to prevent the lead fixing head 31 from obstructing the hanging operation when the invention is hung on the main wire 200; the lead fixing head 31 can clamp the branch lead 300, the position of the branch lead 300 is adjusted when the position of the lead fixing head 31 is adjusted, and the lead fixing head 31 and the hanging connector 2 are respectively arranged at two sides of the rod body 1, so that the lead fixing head 31 can be prevented from obstructing the hanging operation of the hanging connector 2, and the branch lead 300 can be prevented from obstructing the hanging operation of the hanging connector 2.
Further, as shown in fig. 1 to 3, the present invention provides a branch lead fixing lock rod, wherein, the lead fixing head 31 includes an arc 311, a connection plate 312, a support plate 313, a baffle 314, a pull rod 318, a pressure spring 315 and a pull rope 316, the arc 311 is an arc structure with the middle part protruding upward and the two ends extending downward, one end of the arc 311 is connected with the upper end of the connection plate 312, the structure formed by combining the arc 311 and the connection plate 312 is similar to the structure formed by combining the rod body 1 and the hanging joint 2, the lower end of the connection plate 312 is connected with one end of the support plate 313, the arc 311 and the support plate 313 are both positioned at the first side of the connection plate 312, the plate surface of the support plate 313 is perpendicular to the connection plate 312, the other end of the support plate 313 extends towards a direction away from the connection plate 312 until the other end of the support plate 313 is parallel to the other end of the arc 311 in the longitudinal direction (i.e. the direction parallel to the rod body 1), at this moment, the surface of the second side of the connection plate 312 is fixedly connected with the connection ring 32, and the connection plate 312 is parallel to the rod body 1, preferably, the connection plate 312 and the connection plate 32 can be integrally formed with the connection ring 32, or fixedly connected by welding;
the pull rod 318 is arranged in parallel with the connecting plate 312, the lower end of the pull rod 318 penetrates through the supporting plate 313, the lower end of the pull rod 318 is connected with the rod body 1 through the pull rope 316, the upper end of the pull rod 318 is connected with the baffle 314, the baffle 314 is arranged in parallel with the supporting plate 313, namely, the pull rod 318 is arranged in parallel with the connecting plate 312, the lower end of the pull rod 318 penetrates through the supporting plate 313 and then is connected with one end of the pull rope 316, the other end of the pull rope 316 is connected with the rod body 1, the pull rod 318 can be pulled by pulling the pull rope 316 to move downwards along the axial direction of the pull rod 318 so as to drive the baffle 314 to move downwards, the pressure spring 315 is sleeved on the pull rod 318, the upper end of the pressure spring 315 is abutted against the lower surface of the baffle 314, the lower end of the pressure spring 315 is abutted against the upper surface of the supporting plate 313, when being installed, the pressure spring 315 is installed between the supporting plate 313 and the baffle 314 in a compressed state, the pressure spring 315 always applies upward thrust to the baffle 314, i.e., the compression spring 315 pushes up against the blocking plate 314, so that both side edges of the blocking plate 314 can be in contact with inner side surfaces of both ends of the arc plate 311 (i.e., surfaces of opposite sides of both ends of the arc plate 311), and the blocking plate 314 is enclosed with the arc plate 311 to form a receiving space 317 for receiving the branch lead 300, i.e., in a state in which the present invention is not operated, both sides of the blocking plate 314 are always in contact with inner side surfaces of both ends of the arc plate 311 to form a closed receiving space 317, in use, the pull rod 318 and the blocking plate 314 are pulled down by pulling the pull rope 316, in which the compression spring 315 is further compressed, and the blocking plate 314 is separated from the arc plate 311, the branch lead 300 is put into the receiving space 317 through a gap between the arc plate 311 and the supporting plate 313 and a gap between the arc plate 311 and the blocking plate 314, and then the pull rope 316 is released, the baffle 314 and the pull rod 318 are moved upward under the action of the elastic restoring force of the pressure spring 315 until the two sides of the baffle 314 are in contact with the arc plate 311 again, that is, the accommodating space 317 is closed again, at this time, the branch lead 300 is fixed in the accommodating space 317, when the branch lead 300 needs to be taken out from the accommodating space 317, the operation is the same, and the pull rope 316 is pulled downward to separate the baffle 314 from the arc plate 311, so that the branch lead 300 can be taken out, which is not described herein again.
Further, as shown in fig. 1 to 3, the present invention provides a branch lead fixing lock rod, wherein a limiting ring 319 is provided at the lower end of the pull rod 318, the outer diameter of the limiting ring 319 is larger than the outer diameter of the pull rod 318, and the outer diameter of the limiting ring 319 is larger than the aperture of a through hole in the support plate 313 through which the pull rod 318 passes, so as to ensure that the lower end of the pull rod 318 is always kept below the support plate 313, so as to avoid the situation that the lower end of the pull rod 318 is inclined due to moving above the support plate 313, ensure that the pull rod 318 can smoothly move downwards when the pull rod 318 is pulled downwards next time, the pull rod 316 is connected with the pull rod 318 through the limiting ring 319, and the effect of the limiting ring 319 is not only to limit the position of the pull rod 318, but also to allow the pull rod 316 to pass through the connection, and ensure that the pull rod 316 is smoothly connected with the pull rod 318 through the limiting ring 319.
Preferably, the present invention provides a branch lead fixing lock lever, wherein a distance between a connection between the rod body 1 and the hitching head 2 and a top of the arc plate 311 is greater than or equal to 40cm, i.e., a distance between a connection between the rod body 1 and the hitching head 2 and a top of the lead fixing head 31 is greater than or equal to 40cm. The distance between the joint between the rod body 1 and the hanging connector 2 and the top of the arc plate 311 is set to be more than or equal to 40cm, so that a sufficient safety distance can be ensured in the operation process.
Further, as shown in fig. 1 and 3, the present invention provides a branch lead fixing lock rod, wherein two ends of a hanging connector 2 are respectively provided with a lock tongue 21 capable of being opened and closed elastically, the two lock tongues 21 are protruded on the surfaces of two ends of the hanging connector 2 in the direction that the inside of the opening approaches each other, when a main wire 200 passes through the opening, the two lock tongues 21 are contacted and compressed, so that the two lock tongues 21 move in the direction that the two lock tongues are far away from each other, after the main wire 200 passes through the opening, the two lock tongues 21 are separated from the two lock tongues 21, the two lock tongues 21 approach each other and return to an initial position under the action of elastic restoring force, the minimum size of the opening can be reduced, and the two lock tongues 21 are arranged, so that the present invention can be separated from the main wire 200 only by a large force, and thus the present invention can be locked on the main wire 200 after the hanging connector 2 is hung on the main wire 200, and the situation that the present invention is separated from the main wire 200 due to factors such as external blowing or artificial touching is prevented.
Further, as shown in fig. 1 and 3, the present invention provides a branch lead fixing lock rod, wherein a hanging connector 2 is formed by bending a tubular structure with a hollow inside, two lock tongues 21 respectively extend into an opening from the inside of the tubular structure through the side wall of the tubular structure, two coil springs 22 are arranged in the inside of the tubular structure corresponding to the two lock tongues 21, one end of each coil spring 22 is fixed in the inside of the tubular structure, the other end of each coil spring 22 is connected with the corresponding lock tongue 21, the coil springs 22 are installed between the hanging connector 2 and the corresponding lock tongue 21 in a compressed state, and under the action of elastic restoring force of the coil springs 22, the coil springs 22 push the corresponding lock tongues 21 to extend into the opening through the side wall of the tubular structure. It can be understood that the spring bolts 21 are telescopically arranged on the surfaces of the two ends of the hanging connector 2 in a protruding manner through the spring bolts 22, when the hanging connector 2 is hung on the main wire 200, the main wire 200 presses the two spring bolts 21 when passing through the positions of the two spring bolts 21, the two spring bolts 21 respectively press the corresponding spring bolts 22, the two spring bolts 22 are further compressed, the two spring bolts 21 are retracted into the inside of the hanging connector 2, after the main wire 200 passes through the positions of the two spring bolts 21, the spring bolts 21 are pushed out again to the surface protruding out of the hanging connector 2 under the action of the self elastic restoring force of the spring bolts 22, so that the opening is reduced, and the spring bolts 22 are compressed and retracted into the inside of the hanging connector 2 only by a certain acting force when the two spring bolts 21 are required, so that the arrangement of the two spring bolts 21 can effectively reduce the situation that the main wire 200 is accidentally separated from the hanging connector 2; when the connector 2 is separated from the main wire 200, the movement track of the latch 21 is the same as that when the connector 2 is connected to the main wire 200, and will not be described again.
It should be noted that, instead of the latch 21, a rubber block with elasticity may be used, and the rubber block has good elasticity and self elastic restoring capability, so that the purpose of reducing the accidental detachment of the main wire 200 from the hanging connector 2 can be achieved by adopting the rubber block. In addition, in order to increase the friction between the hitch coupler 2 and the main wire 200, an anti-slip pad may be coated on the inner side surface of the hitch coupler 2.
Preferably, the present invention provides a branch lead fixing lock bar, wherein the length of the bar body 1 is 240cm or more. The length of the rod body 1 is set to be greater than or equal to 240cm, so that the daily use of operators with different heights can be satisfied, and the various height positions of the branch leads 300 can be dealt with, however, it should be noted that the length of the rod body 1 can be set to other dimensions, and the invention is not limited thereto.
Preferably, the present invention provides a branch lead fixing lock rod, wherein the rod body 1 is a rod body 1 made of an insulating material, the hanging connector 2 is a hanging connector 2 made of an insulating material, and the pull rope 316 is a pull rope 316 in a city made of an insulating material. All the components are made of insulating materials, so that the operation safety in the operation process can be effectively ensured.
In summary, the branch lead fixing lock rod designed by the invention is adopted to fix the two-phase branch leads on the middle parts of the two branch lead fixing lock rods before the branch lead fixing lock rod is connected to the charging equipment, and then the branch lead fixing lock rod is fixed on the main lead through the hanging joint of the branch lead fixing lock rod, so that the two-phase branch leads are effectively insulated and fixed, then the middle-phase branch leads are connected in a charged manner, and after the middle-phase connection is completed, the other two-phase branch leads fixed on the branch lead fixing lock rod are respectively fixed and taken down. And the live access is carried out, so that the potential safety hazard of personnel electric shock in the operation is thoroughly eliminated.
As shown in fig. 4, the present invention further provides a method for live connecting a wire to a distribution line, wherein the method for live connecting a wire to a distribution line is implemented by using the branch wire fixing locking bar as described above, and the method for live connecting a wire to a distribution line includes:
step S1: the first branch lead is clamped into a first lead fixing head of a first branch lead fixing lock rod, and is hung on a first main lead through a hanging joint of the first branch lead fixing lock rod;
step S2: the second branch lead is clamped into a second lead fixing head of a second branch lead fixing lock rod, and is hung on a second main lead through a hanging joint of the second branch lead fixing lock rod;
for the wiring operation with three branch leads, two of the three branch leads can be effectively fixed on the corresponding main lead with access through the steps S1 and S2, and at the moment, an operator can firstly perform the power connection operation on the third branch lead which is not fixed by the branch lead fixing lock rod;
step S3: connecting the third branch lead into a third main lead; at this time, the power connection operation of one of the three branch leads is completed, and the power connection operation of one of the other two branch leads can be performed;
step S4: taking the first branch lead out of the first lead fixing head of the first branch lead fixing lock rod, and connecting the first branch lead into the first main wire; through the step S4, the electric connection operation of the second branch lead wire in the three branch lead wires is completed, and the electric connection operation of the last branch lead wire can be performed;
step S5: taking the second branch lead out of the second lead fixing head of the second branch lead fixing lock rod, and connecting the second branch lead into the second main lead; thus, the power connection operation of the three branch leads is completed.
Further, as shown in fig. 5, the present invention further provides a method for live connection of a distribution line, wherein step S4 further includes removing the first branch lead fixing latch from the first main lead after the first branch lead is connected to the first main lead.
Further, as shown in fig. 5, the present invention further provides a method for live connection of a distribution line, wherein step S5 further includes removing the second branch lead fixing latch from the second main lead after the second branch lead is connected to the second main lead.
After the first branch lead and the second branch lead are connected, the corresponding branch lead fixing lock rod should be taken down in time to prevent the branch lead fixing lock rod from being separated from the main lead and injuring operators.
Compared with the prior art, the invention has the following advantages:
the branch lead fixing lock rod provided by the invention can effectively fix the branch lead which is not connected with electricity in the process of connecting one branch lead by an operator, thereby preventing the condition that the branch lead which is not connected with electricity swings and is easily touched by the operator by mistake due to the external environment; the method for connecting the lead with the power distribution line can effectively avoid the situation that other branch leads which are not connected with the power supply swing to be in false contact with the operator when the operator connects the power supply of one branch lead, thereby effectively ensuring the operation safety.
The foregoing is illustrative of the present invention and is not to be construed as limiting the scope of the invention. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this invention, and are intended to be within the scope of this invention.
Claims (8)
1. The branch lead fixing lock rod is characterized by comprising a rod body, a hanging connector and a lead fixing component, wherein the hanging connector is a U-shaped rod with a downward opening, one end of the hanging connector is connected with the upper end of the rod body, the other end of the hanging connector and the opening are both positioned on one side of the rod body, and the lead fixing component can be detachably arranged on the rod body;
the lead fixing assembly comprises a lead fixing head and a connecting ring, the connecting ring is detachably sleeved on the rod body, the lead fixing head is fixedly connected with the connecting ring, the lead fixing head is positioned on the other side of the rod body, and the lead fixing head can clamp a branch lead;
the lead fixing head comprises an arc-shaped plate, a connecting plate, a supporting plate, a baffle, a pull rod, a pressure spring and a pull rope, wherein the arc-shaped plate is of an arc-shaped structure with the middle part protruding upwards and the two ends extending downwards, one end of the arc-shaped plate is connected with the upper end of the connecting plate, the lower end of the connecting plate is connected with one end of the supporting plate, the arc-shaped plate and the supporting plate are both positioned on the first side of the connecting plate, the supporting plate is perpendicular to the connecting plate, the surface of the second side of the connecting plate is fixedly connected with the connecting ring, and the connecting plate is parallel to the rod body;
the pull rod is arranged in parallel with the connecting plate, the lower end of the pull rod penetrates through the supporting plate, the lower end of the pull rod is connected with the rod body through the pull rope, the upper end of the pull rod is connected with the baffle, the baffle is arranged in parallel with the supporting plate, the pressure spring is sleeved on the pull rod, the upper end of the pressure spring is propped against the lower surface of the baffle, the lower end of the pressure spring is propped against the upper surface of the supporting plate, the pressure spring is upwards pushed against the baffle, the edges of two sides of the baffle can be mutually contacted with the inner side surfaces of two ends of the arc-shaped plate, and the baffle and the arc-shaped plate are enclosed to form a containing space for containing the branch leads;
the two ends of the hanging connector are respectively provided with a lock tongue which can be elastically opened and closed, the two lock tongues are convexly arranged on the surfaces of the two ends of the hanging connector in the direction of the inner part of the opening towards the direction close to each other, and the two lock tongues can reduce the minimum size of the opening.
2. The branch lead fixing lock rod according to claim 1, wherein a limiting ring is arranged at the lower end of the pull rod, the outer diameter of the limiting ring is larger than that of the pull rod, and the pull rope is connected with the pull rod through the limiting ring.
3. The branch lead securement lock lever of claim 1, wherein a distance between a connection between the lever body and the hitch coupler and a top of the arcuate plate is greater than or equal to 40cm.
4. The branch lead fixing lock rod according to claim 1, wherein the hanging connector is formed by bending a tubular structure with a hollow inside, two lock tongues extend into the opening from the inside of the tubular structure through the side wall of the tubular structure, two coil springs are arranged in the inside of the tubular structure corresponding to the two lock tongues, one ends of the coil springs are fixed in the inside of the tubular structure, the other ends of the coil springs are connected with the corresponding lock tongues, and the coil springs push the corresponding lock tongues to extend into the opening through the side wall of the tubular structure.
5. The branch lead securement bar of any one of claims 1-4, wherein the length of the bar is greater than or equal to 240cm.
6. A branch lead fixing lock bar according to any one of claims 1 to 3, wherein the bar body is a bar body made of an insulating material, the hanging joint is a hanging joint made of an insulating material, and the pull rope is a pull rope made of an insulating material.
7. A method for live wiring of a distribution line, wherein the method for live wiring of a distribution line is implemented using the branch lead fixing latch according to any one of claims 1 to 6, the method for live wiring of a distribution line comprising:
step S1: the first branch lead is clamped into a first lead fixing head of a first branch lead fixing lock rod, and is hung on a first main lead through a hanging joint of the first branch lead fixing lock rod;
step S2: the second branch lead is clamped into a second lead fixing head of a second branch lead fixing lock rod, and is hung on a second main lead through a hanging joint of the second branch lead fixing lock rod;
step S3: connecting the third branch lead into a third main lead;
step S4: taking the first branch lead out of a first lead fixing head of the first branch lead fixing lock lever, and connecting the first branch lead into the first main wire;
step S5: and taking the second branch lead out of a second lead fixing head of the second branch lead fixing lock rod, and connecting the second branch lead into the second main lead.
8. The method of live wire connection of a distribution line according to claim 7, wherein step S4 further comprises removing the first branch wire securing latch from the first main wire after the first branch wire is connected to the first main wire; the step S5 further includes removing the second branch lead fixing lock lever from the second main lead after the second branch lead is connected to the second main lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754756.9A CN107492829B (en) | 2017-08-29 | 2017-08-29 | Method for fixing lock rod on branch lead and connecting lead on distribution line with electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710754756.9A CN107492829B (en) | 2017-08-29 | 2017-08-29 | Method for fixing lock rod on branch lead and connecting lead on distribution line with electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107492829A CN107492829A (en) | 2017-12-19 |
| CN107492829B true CN107492829B (en) | 2023-08-15 |
Family
ID=60650939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710754756.9A Active CN107492829B (en) | 2017-08-29 | 2017-08-29 | Method for fixing lock rod on branch lead and connecting lead on distribution line with electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107492829B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359546A (en) * | 2017-09-21 | 2017-11-17 | 国网冀北电力有限公司技能培训中心 | A kind of livewire work action bars decision connects the special drainage thread of lead and fixes locking bar |
| CN111342393A (en) * | 2020-04-02 | 2020-06-26 | 国网浙江武义县供电有限公司 | Hook-type insulating rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092637A (en) * | 1998-09-14 | 2000-03-31 | Furukawa Electric Co Ltd:The | Method and equipment for leading in subscriber's incoming line and hanging hook for leading in subscriber' s incoming line |
| CN101771247A (en) * | 2008-12-30 | 2010-07-07 | 上海市南电力工程有限公司 | Tool for jointing temporary lead wire under live working on rainy day for distribution line and method thereof |
| CN201639190U (en) * | 2009-12-30 | 2010-11-17 | 北京市电力公司 | Charged arc-suppression draining operation device |
| CN103683056A (en) * | 2013-12-10 | 2014-03-26 | 国家电网公司 | Insulating lock rod structure for preventing wire from falling off |
| CN204030026U (en) * | 2014-08-22 | 2014-12-17 | 国家电网公司 | Gravity self-locking formula Anti-dropping earthing clip |
| CN207069435U (en) * | 2017-08-29 | 2018-03-02 | 华北电力科学研究院有限责任公司 | Branch's lead fixes locking bar |
-
2017
- 2017-08-29 CN CN201710754756.9A patent/CN107492829B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000092637A (en) * | 1998-09-14 | 2000-03-31 | Furukawa Electric Co Ltd:The | Method and equipment for leading in subscriber's incoming line and hanging hook for leading in subscriber' s incoming line |
| CN101771247A (en) * | 2008-12-30 | 2010-07-07 | 上海市南电力工程有限公司 | Tool for jointing temporary lead wire under live working on rainy day for distribution line and method thereof |
| CN201639190U (en) * | 2009-12-30 | 2010-11-17 | 北京市电力公司 | Charged arc-suppression draining operation device |
| CN103683056A (en) * | 2013-12-10 | 2014-03-26 | 国家电网公司 | Insulating lock rod structure for preventing wire from falling off |
| CN204030026U (en) * | 2014-08-22 | 2014-12-17 | 国家电网公司 | Gravity self-locking formula Anti-dropping earthing clip |
| CN207069435U (en) * | 2017-08-29 | 2018-03-02 | 华北电力科学研究院有限责任公司 | Branch's lead fixes locking bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107492829A (en) | 2017-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101068757B1 (en) | Plug interlock device for vacuum circuit breaker | |
| CN107492829B (en) | Method for fixing lock rod on branch lead and connecting lead on distribution line with electricity | |
| CN105225883B (en) | Sub-component and its earthed switch are touched in quiet striking | |
| EP3188330A1 (en) | Transportation device of withdrawable circuit breaker | |
| CN217134709U (en) | Electric network line binding clip | |
| CN207781928U (en) | A kind of extra high voltage network individual security personnel line apparatus | |
| US20110080682A1 (en) | Electrical protection assembly and system | |
| KR101773854B1 (en) | a Support apparatus of distribution cable | |
| CN103956669A (en) | Ground wire special for middle switch cabinet | |
| CN210182720U (en) | Electrified quick-plugging device for cable elbow head | |
| CN105161878A (en) | Power distribution fast acousto-optic electricity testing grounding wire | |
| CN203871732U (en) | Special-purpose ground wire for built-in switch cabinet | |
| CN113628815A (en) | Self-fixing composite insulator for lead | |
| CN110289527B (en) | Quick power-on plug device and method for cable elbow belt | |
| CN107946837B (en) | Socket | |
| US8253432B2 (en) | Fork assembly for protection circuit of test system | |
| CN204760571U (en) | Electric earth connection is tested to quick reputation of distribution | |
| CN216013481U (en) | Mining sparkless type electricity testing and discharging integrated device | |
| CN216598040U (en) | Ground wire grounding device | |
| CN202487456U (en) | Lower door interlock mechanism | |
| KR102664840B1 (en) | Elbow connector separator and uninterruptible replacement device and method for aerial insulated cable using the same | |
| US9362063B2 (en) | Bus plug lockout devices and related apparatus and methods | |
| CN215834333U (en) | Self-fixing composite insulator for lead | |
| CN216251948U (en) | Parallel installer for 66kV line shunt line | |
| CN208738728U (en) | A kind of trolley with earthing mechanism and fast joint mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |