CN218548972U - Live working drainage wire - Google Patents
Live working drainage wire Download PDFInfo
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- CN218548972U CN218548972U CN202222410990.9U CN202222410990U CN218548972U CN 218548972 U CN218548972 U CN 218548972U CN 202222410990 U CN202222410990 U CN 202222410990U CN 218548972 U CN218548972 U CN 218548972U
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- drainage wire
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Abstract
The utility model provides a live working drainage wire relates to transmission of electricity distribution technical field. This live working drainage wire, including drainage wire and drainage fastener, the drainage fastener includes: the fastener main part, the locking indicator piece, latch segment, locking cam and slide rail supporting shoe, fastener main part cross section sets up to the barb type, and fastener main part lower extreme is the pipe form, the mounting hole has been seted up at fastener main part middle part, this live working drainage wire when the installation, can directly inlay in the fastener main part with insulator spindle working head bushing installation insulator spindle sleeve pipe, convenient operation, the different radius graduation face design of locking cam wheel face has reduced the rotatory angle of installation, has improved the commonality of live working drainage wire, the utility model overcomes the problem that traditional drainage wire installation is inconvenient, generates heat easily on the use has the electrified installation of being convenient for, and the suggestion is accomplished in the installation and the advantage that the operation process is stable.
Description
Technical Field
The utility model relates to a drainage wire technique specifically is a live working drainage wire, belongs to transmission of electricity distribution technical field.
Background
The drainage wire is a common hardware fitting in an overhead transmission and distribution line, is an arc-shaped lead with wire clamps at two ends, and is mainly used for conducting current by connecting two ends of the arc-shaped lead to leads at two sides of a tension tower respectively; also used for line termination current extraction; the method is widely applied to the diversion backup of the strain clamp in recent time. The main purpose is to ensure the normal transmission of the electric energy of the line.
However, the heating of the traditional drainage wire and the connecting plate (drainage plate) of the traditional power transmission line is a common defect existing for a long time in the operation process, especially the transmission power of the line with 220kV or above is high, and the defect ratio of the line with the conventional drainage wire and the connecting plate (drainage plate) of the traditional power transmission line is higher than that of the line with 110kV or below. The main reasons of heating are that the fastening bolt is loosened due to factors such as breeze vibration, the distance between the drainage plates is increased, and the contact resistance of the contact surface is increased to cause heating; under the influence of field natural conditions, the drainage plate is oxidized and the like, so that the contact resistance is increased to cause heating; during the electricity consumption peak, the load of the power transmission line rises to cause heating, the elastic pad of the drainage plate fastening bolt is degraded, after the electricity consumption peak, the temperature of the drainage plate recovers, the fastening force of the drainage plate fastening bolt is reduced, and the resistance of the drainage plate is increased to cause heating; in the line construction process, drainage wire and drainage plate resistance grow because of the mounting process is bad, lead to generating heat.
The general solutions are mainly of two kinds: and a drainage wire bolt is used for electrified fastening and full-wire fastening after power failure. Poor electrification fastening operability: the traditional drainage wire of china does not carry out electrified fastening design, if electrified fastening, can only use by operating personnel to wear insulating clothing through insulating rope ladder climb on the electrified wire, fasten not hard up drainage wire bolt, eliminate the problem of generating heat, the operation risk is high, operates inconveniently.
And secondly, the whole line is fastened after power failure, the scheme can be generally carried out only when an annual power failure plan is listed, but the time is short, the pertinence is avoided, the whole line fastening workload is large, and the operation is not convenient and fast. In order to solve the problems, the drainage wire which is convenient to install in a charged mode, low in construction requirement and not loose is designed and developed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims at providing a live working drainage wire in order to solve above-mentioned problem to easily not hard up problem after installing to the drainage wire among the solution prior art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a live working drainage wire, includes drainage wire and drainage fastener, the drainage fastener includes: the locking device comprises a wire clamp main body, a locking indicating sheet, a locking block, a locking cam and a sliding rail supporting block;
the cross section of the wire clamp main body is set to be of a barb shape, the lower end of the wire clamp main body is of a circular tube shape, a mounting hole is formed in the middle of the wire clamp main body, the locking cam is rotatably connected with the wire clamp main body through the mounting hole, the locking block is slidably connected between the sliding rail supporting block and the wire clamp main body and forms a wire clamping area on the upper portion of the wire clamp main body, and the locking cam is arranged at the bottom of the locking block.
Preferably, the locking cam comprises a rotating shaft and a cam surface arranged on the outer side of the locking cam, the rotating shaft penetrates through the locking cam and is fixedly connected with the locking cam, one end of the rotating shaft penetrates through a mounting hole formed in the cable clamp body and is rotatably connected with the cable clamp body, the other end of the rotating shaft penetrates through the sliding rail supporting block and is rotatably connected with the sliding rail supporting block, the locking cam can be screwed through an external insulating rod, and the locking block is pushed to clamp the lead.
Preferably, a locking bolt is arranged between the sliding rail supporting block and the wire clamp body, and the sliding rail supporting block and the wire clamp body are installed through the locking bolt.
Preferably, a clamping groove is formed in one side of the wire clamp body, and the locking indicating sheet is clamped with the wire clamp body through the clamping groove.
Preferably, the wire clamp main body, the locking block and the slide rail supporting block are made of high-strength aluminum alloy.
Preferably, the locking indication sheet is a spring sheet, and the locking indication sheet can be reused.
Preferably, the locking cam is made of stainless steel.
Preferably, the locking cam is an outer polygon, the outer circle surface of the locking cam takes the rotating shaft as the center and is an indexing surface with different radiuses, and the indexing surface comprises a stabilizing surface, a transition surface and a locking surface.
The utility model provides a live working drainage wire, its beneficial effect who possesses as follows:
1. this live working drainage wire, the locking cam is under box spanner's rotation, the locking cam rotates to the locking face from the stationary plane, can step up the wire of thickest, when connecting the second one-level main and auxiliary wire of diameter, need continue rotatory locking cam, rotatory transition face back, when other locking face and latch segment contact, the installation targets in place, different locking faces correspond the different diameter owner of drainage wire centre gripping, vice wire, the transition face is used for two different working faces to change smoothly, the locking face designs into certain length, when each locking face contacts with the latch segment, the pressure that drainage wire clamp elastic deformation produced all need be overcome in the same direction as contrary time rotation, fastener self forms self-locking system.
2. This live working drainage wire, the drainage wire when the installation, can directly inlay in the fastener main part with the insulator spindle working head with the sleeve pipe installation insulator spindle sleeve pipe, convenient operation, the radius graduation face design of the cam surface difference of locking cam has reduced the rotatory angle of installation, has improved the commonality of drainage wire for live working, the utility model overcomes traditional drainage wire installation is inconvenient, the problem that generates heat on the use easily has the electrified installation of being convenient for, and suggestion and the stable advantage of operation process are accomplished in the installation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the structure of the drainage wire clamp of the present invention;
fig. 3 is a schematic structural view of the locking cam of the present invention;
fig. 4 is a schematic view of the cam surface structure of the present invention.
In the figure: 1. a drainage wire; 2. a wire clamp main body; 3. a slide rail supporting block; 4. locking the cam; 5. a locking block; 6. locking the indicator sheet; 7. a rotating shaft; 8. a cam surface; 801. a stabilizing surface; 802. a transition surface; 803. a locking surface; 17. and locking the bolt.
Detailed Description
The embodiment of the utility model provides a live working drainage wire.
Referring to fig. 1, 2, 3, and 4, the drainage wire clamp includes a drainage wire 1 and a drainage wire clamp, and the drainage wire clamp includes: the cable clamp comprises a cable clamp body 2, a locking indicating sheet 6, a locking block 5, a locking cam 4 and a slide rail supporting block 3; the locking cam 4 is made of stainless steel, the locking cam 4 is in an outer polygon shape, the outer circular surface of the locking cam 4 takes the rotating shaft 7 as the center and is an indexing surface with different radiuses, and the indexing surface comprises a stabilizing surface 801, a transition surface 802 and a locking surface 803.
The cross section of the wire clamp main body is set to be of a barb shape, the lower end of the wire clamp main body 2 is of a circular tube shape, a mounting hole is formed in the middle of the wire clamp main body 2, the locking cam 4 is rotatably connected with the wire clamp main body 2 through the mounting hole, a locking bolt 17 is arranged between the sliding rail supporting block 3 and the wire clamp main body 2, and the sliding rail supporting block 3 and the wire clamp main body 2 are installed through the locking bolt 17.
5 sliding connection of latch segment is between slide rail supporting shoe 3 and fastener main part 2, and form the wire clamping area with 2 upper portions of fastener main part, locking cam 4 sets up in latch segment 5 bottom, locking cam 4 includes rotation axis 7 and sets up in the cam surface 8 in the locking cam 4 outside, rotation axis 7 run through locking cam 4 and with locking cam 4 fixed connection, 7 one end of rotation axis is passed the mounting hole that fastener main part 2 seted up and is connected with fastener main part 2 rotation, the rotation axis 7 other end runs through slide rail supporting shoe 3 and is connected with slide rail supporting shoe 3 rotation, locking cam 4 can be twisted through outside insulator spindle, and promote the tight wire of 5 clamp of latch segment clamp.
Specifically, the drainage wire clamp comprises a drainage wire 1 and drainage wire clamps, wherein the drainage wire 1 is used for connecting two drainage wire clamps and conveying electric energy from one drainage wire clamp to the other drainage wire clamp, the lower end of the drainage wire clamp is connected with one drainage wire 1 in a pressing mode to form a finished drainage wire, the drainage wire clamp comprises a wire clamp body 2, a locking indicating sheet 6, a locking block 5, a locking cam 4 and a slide rail supporting block 3, a cam mounting hole is formed in the wire clamp body 2, one end of a rotating shaft 7 of the locking cam 4 is mounted in the cam mounting hole of the wire clamp body 2, the slide rail supporting block 3 is mounted on the wire clamp body 2 through a locking bolt 17, a cam mounting hole is formed in the slide rail supporting block 3, the other end of the rotating shaft 7 on the locking cam 4 is mounted in the cam mounting hole of the slide rail supporting block 3, the locking cam 4 can freely rotate in the cam mounting hole, the locking cam 4 is in an outer polygon shape, the outer circle surface of the polygon takes the axis of the cam shaft as the center and is a dividing surface with different radiuses, the dividing surface comprises a stabilizing surface 801, a transition surface 802 and a locking surface 803, and wires with different diameters corresponding to the wire clamp are suitable for the locking cam 4.
It is again described that the surface of the locking cam 4 is a dividing surface with different radiuses around the cam axis, the dividing surface includes a stabilizing surface 801, a transition surface 802 and a locking surface 803, when the stabilizing surface 801 contacts with the locking block 5, the locking area of the drainage wire clamp is in a completely open state, the dividing radiuses from the locking surface 803, 1, 2.. N are sequentially increased, corresponding to a series of wires from thick to thin, when the stabilizing surface 801 of the locking cam 4 contacts with the locking block 5, the drainage wire clamp is hung on the main/auxiliary wires, the locking cam 4 can tighten the thickest wire when the locking cam 4 rotates from the stabilizing surface 801 to the locking surface 803 under the rotation of the socket wrench, when the primary and auxiliary wires with the second-order diameter are connected, the locking cam 4 needs to be continuously rotated, after the transition surface 802 is rotated, when the locking surface 8032 contacts with the locking block 5, the locking surface 803 is installed in place, the different locking surfaces 803 correspond to the main and auxiliary wires with different diameters clamped by the drainage wire clamp, the transition surface 802 is used for smooth conversion of two different working surfaces, the elastic wires, the self-locking system is formed.
Referring to fig. 1, 2, 3 and 4, a clamping groove is formed at one side of the wire clamp body 2, and the locking indication sheet 6 is clamped with the wire clamp body 2 through the clamping groove. The wire clamp main body 2, the locking block 5 and the slide rail supporting block 3 are made of high-strength aluminum alloy, and the locking indicating sheet 6 is a spring sheet.
The clamp main body 2 and the locking block 5 are made of high-strength aluminum alloy materials, and have good conductive capacity and elasticity, can effectively transmit electric energy between overhead conductors, after the installation is completed, the drainage wire generates deformation deviating from an open side, the drainage wire clamp deforms, in the operation process, when the overhead conductors deform, the locking force of a locking area can be effectively compensated, the resistance in the locking area is prevented from rising, the defect that the drainage wire frequently generates heat is overcome, the locking indication sheet 6 is designed, when the drainage wire 1 upwards extrudes the clamp main body 2, the flow clamp main body 2 is made to deform, the locking indication sheet 6 is made to fall off from a clamping groove, thereby achieving the purpose that the drainage wire automatically falls after being installed in place, the installation of an operator is prompted, the influence of human factors on the installation quality is reduced, the locking block 5 moves in a sliding rail of a sliding rail support block 3, the stability of a circular arc in the locking area is ensured, the drainage wire is not damaged, the stability of the drainage wire for live working is improved, the cam surface 8 of the locking cam 4 is a single hexagonal design, the drainage wire can be directly embedded in the insulating rod mounting sleeve, the insulating rod sleeve, the operation is convenient, the operation of a traditional hot-line, and the stable working head is improved, and the advantages of the hot-line installation process of the traditional hot-line is realized, and the hot-line installation process.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a live working drainage wire, includes drainage wire (1) and drainage fastener, its characterized in that: the drainage fastener includes: the cable clamp comprises a cable clamp body (2), a locking indicating sheet (6), a locking block (5), a locking cam (4) and a sliding rail supporting block (3);
the fastener main part cross section sets up to the barb type, and fastener main part (2) lower extreme is the pipe form, the mounting hole has been seted up at fastener main part (2) main part middle part, locking cam (4) are rotated with fastener main part (2) through the mounting hole and are connected, latch segment (5) sliding connection is between slide rail supporting shoe (3) and fastener main part (2), and with fastener main part (2) upper portion forms the wire and presss from both sides tight district, locking cam (4) set up in latch segment (5) bottom.
2. The live-wire operation drainage wire of claim 1, characterized in that: the locking cam (4) comprises a rotating shaft (7) and a cam surface (8) arranged on the outer side of the locking cam (4), the rotating shaft (7) penetrates through the locking cam (4) and is fixedly connected with the locking cam (4), one end of the rotating shaft (7) penetrates through a mounting hole formed in the wire clamp body (2) and is rotatably connected with the wire clamp body (2), and the other end of the rotating shaft (7) penetrates through the sliding rail supporting block (3) and is rotatably connected with the sliding rail supporting block (3).
3. The live-wire operation drainage wire of claim 1, characterized in that: and a locking bolt (17) is arranged between the sliding rail supporting block (3) and the wire clamp body (2), and the sliding rail supporting block (3) and the wire clamp body (2) are installed through the locking bolt (17).
4. The live-wire operation drainage wire of claim 1, characterized in that: a clamping groove is formed in one side of the wire clamp main body (2), and the locking indicating sheet (6) is clamped with the wire clamp main body (2) through the clamping groove.
5. The live-wire operation drainage wire of claim 1, characterized in that: the wire clamp main body (2), the locking block (5) and the sliding rail supporting block (3) are made of high-strength aluminum alloy.
6. The live-wire operation drainage wire of claim 1, characterized in that: the locking indication sheet (6) is a spring sheet.
7. The live-wire operation drainage wire of claim 1, characterized in that: the locking cam (4) is made of stainless steel.
8. The live-wire operation drain wire of claim 2, characterized in that: locking cam (4) are outer polygon, the outer disc of locking cam (4) uses rotation axis (7) as the dividing plane of the center difference for the radius, the dividing plane includes stationary plane (801), transition face (802), locking surface (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222410990.9U CN218548972U (en) | 2022-09-13 | 2022-09-13 | Live working drainage wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222410990.9U CN218548972U (en) | 2022-09-13 | 2022-09-13 | Live working drainage wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218548972U true CN218548972U (en) | 2023-02-28 |
Family
ID=85273605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222410990.9U Active CN218548972U (en) | 2022-09-13 | 2022-09-13 | Live working drainage wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218548972U (en) |
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2022
- 2022-09-13 CN CN202222410990.9U patent/CN218548972U/en active Active
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