CN215834333U - Self-fixing composite insulator for lead - Google Patents
Self-fixing composite insulator for lead Download PDFInfo
- Publication number
- CN215834333U CN215834333U CN202122207398.4U CN202122207398U CN215834333U CN 215834333 U CN215834333 U CN 215834333U CN 202122207398 U CN202122207398 U CN 202122207398U CN 215834333 U CN215834333 U CN 215834333U
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- China
- Prior art keywords
- buckling
- hand grip
- cable
- insulator
- seat frame
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- 239000012212 insulator Substances 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 14
- 239000004020 conductor Substances 0.000 claims description 5
- 210000002105 tongue Anatomy 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
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Abstract
The utility model discloses a self-fixing composite insulator for a lead, which comprises an insulator and a cable fixing device fixedly connected with the insulator, wherein the cable fixing device comprises a base body and a buckling body, the base body comprises a connector and a seat frame, and a cable groove is formed in the seat frame; the buckling body comprises a left buckling hand grip and a right buckling hand grip which are hinged with the seat frame, the inner surfaces of the left buckling hand grip and the right buckling hand grip are arc-shaped, the two buckling hand grips are respectively hinged with the seat frame on two sides of the cable groove, and an opening and closing linkage device and a closing and locking device are arranged between the left buckling hand grip and the right buckling hand grip. According to the utility model, the cable is only required to be butted with the buckling body through the opening, the cable groove and the left and right buckling grippers form a surrounding clamp for the lead, the lead is firmly fixed, the construction is simple and convenient, any fastener and operation tool are not required, and the safety accident caused by falling of objects is avoided. When the power transmission line is subjected to wind force to be deflected, the left buckling hand and the right buckling hand are pressed to further automatically tighten, and the damping effect is achieved on the swinging of the wire.
Description
Technical Field
The utility model belongs to the technical field of wire insulation fixing devices of power transmission lines, and particularly relates to a wire self-fixing composite insulator which is used in a power transmission and distribution line and can quickly connect and fix wires.
Background
In an electric power transmission and distribution line, an overhead transmission conductor is generally fixed through an insulator on a wire rod, and the connection and fixation of the conductor and the insulator are very important, which directly influences the normal operation of electric power transmission. The fixing of the existing transmission line conductor is generally that after the insulator is installed, a separate clamping device is used for connecting and fixing the conductor and the insulator. The whole operation process is generally that high altitude construction is carried out on the line pole, and fixed connection's process itself is just more loaded down with trivial details, takes a lot of work and labouring, still easily receives the influence of environmental factor such as wind-force simultaneously, leads to accessory etc. to drop, and not only work efficiency is low, and the construction is unsafe moreover. Meanwhile, the existing clamping device is easy to loosen and generate dislocation when in use, and the lead is not firmly fixed and is easy to wave.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a self-fixing composite insulator for a lead, which can quickly connect and fix the lead at high altitude, is safe in construction and high in efficiency, can self-grip the lead and has a stopping function.
In order to solve the technical problem, the utility model comprises an insulator and a cable fixing device which is fixedly connected with the insulator, and is structurally characterized in that the cable fixing device comprises a base body and a buckling body, wherein the base body comprises a connector and a seat frame, and a cable groove is arranged on the seat frame; the buckling body comprises a left buckling hand grip and a right buckling hand grip which are hinged with the seat frame, the inner surfaces of the left buckling hand grip and the right buckling hand grip are arc-shaped, the two buckling hand grips are respectively hinged with the seat frame on two sides of the cable groove, and an opening and closing linkage device and a closing and locking device are arranged between the left buckling hand grip and the right buckling hand grip.
The cable groove is arc-shaped, the left and right fastening grippers are arc-shaped bodies, the opening and closing linkage device comprises a pin body and a track groove, one of the left and right fastening grippers is provided with the pin body, the other fastening gripper is provided with the track groove, and the pin body is connected with the track groove in a sliding mode.
The closed locking device is a plug-in locking device and comprises a lock bolt and a lock nut which are respectively arranged at the ends of the left and right buckling tongs, and elastic lock tongues matched with the lock bolt are arranged on the two sides in the lock nut.
The closed locking device is a clamping locking device and comprises a clamping head and a clamping opening, the clamping head is telescopic and is arranged on two sides of one end of the fastening hand grip and is in sliding connection with the fastening body, the end of the other fastening hand grip is provided with the clamping opening, and a clamping head hole correspondingly matched with the clamping head is arranged on the inner side of the clamping opening.
After the left and right buckling grippers are closed and buckled, a clamping cavity formed by the inner arc surfaces of the left and right buckling grippers is narrow at the top and wide at the bottom.
After the structure is adopted, the cable fixing device comprises the insulator and the cable fixing device which are fastened and connected into a whole, the seat body of the cable fixing device is fastened and connected with the insulator into a whole through the connector, the whole body is of a composite structure, secondary installation is not needed, the use is convenient, and the looseness and dislocation of the fixing device in use can be effectively avoided. After the insulator is installed on the wire pole, the left and right buckling grippers of the cable fixing device are arranged in an open shape, when the insulator is constructed and installed, the cable is only needed to be butted with the buckling body through the opening, the cable is pressed down by the aid of gravity, the left and right buckling grippers are pressed, linkage buckling locking is carried out, and the cable is seated on the cable groove. The cable groove upwards supports the cable, and left and right lock joint tongs carry out the centre gripping to the wire from side, top, and all-round formation surrounds to press from both sides to the wire. The wire is fixed firm, and the construction is simple and convenient, operating personnel only need with wire and insulator overlap joint can, need not any fastener and operation tool, avoided because of the incident that the article dropped and lead to. When the power transmission line is subjected to wind force to be deflected, the left buckling hand and the right buckling hand are pressed to further automatically tighten, and the damping effect is achieved on the swinging of the wire.
Drawings
The utility model is further described below with reference to the following figures and examples:
FIG. 1 is a general schematic of the present invention;
FIG. 2 is an open schematic view of the cable fixation device of the present invention;
FIG. 3 is a close-up schematic view of the cable fixation device of the present invention;
FIG. 4 is a schematic view of the cable fixing device of the present invention with the components separated;
FIG. 5 is a schematic view of a closure locking mechanism for the left and right gripping fingers of the present invention;
FIG. 6 is a schematic view of a closed end of the cable fixation device of the present invention;
fig. 7 is a schematic view of the installation of the present invention.
Detailed Description
Referring to the drawings, the self-fixing composite insulator for the wire comprises an insulator 1 and a cable fixing device 2 fixedly connected with the insulator, wherein the cable fixing device 2 comprises a base body 3 and a buckling body 4. The seat body 3 comprises a connector 31 and a seat frame 32, a cable groove 33 is arranged on the seat frame 32, the buckling body 4 comprises a left buckling hand and a right buckling hand which are hinged with the seat frame 32, the inner surfaces of the left buckling hand and the right buckling hand are arc-shaped, and the two buckling hands are respectively hinged with the seat frame 32 on two sides of the cable groove 33; an opening and closing linkage device 41 and a closing and locking device 42 are arranged between the left buckling hand grip and the right buckling hand grip. The insulator 1 shown in the figure is a cylindrical composite insulating cylinder, and the cable fixing device 2 is arranged at the top end of the insulator 1. The lower end of the connector 31 is provided with a connecting hole, and the upper end of the composite insulating column is inserted into the connecting hole. The seat frame 32 is U-shaped, the U-shaped groove in the middle of the seat frame is a cable groove 33, the bottom of the cable groove 33 is arc-shaped, and the left buckling hand grip and the right buckling hand grip are respectively hinged with the groove bodies on the two sides of the U-shaped groove; the upper parts of the groove bodies on the two sides of the U-shaped groove are provided with shaft holes 34, the middle part of the buckling and connecting hand grip is provided with a hinge hole 43, and the hinge shaft 35 connects the buckling and connecting hand grip with the seat frame 32 through the hinge hole 43 and the shaft holes 34.
Referring to fig. 2 to 4, the left and right fastening fingers are integrally arc-shaped bodies, the lower end of the fastening finger is provided with an opening and closing linkage device 41 for connecting the left and right fastening fingers, the opening and closing linkage device 41 includes a pin body 411 and a rail groove 412, the lower end of one of the fastening bodies is provided with a screw hole 44, the other fastening body is provided with an arc-shaped rail groove 412, one end of the pin body 411 passes through the rail groove 412 and then is in threaded connection with the screw hole 44 of the fastening finger, and the pin body 411 is in sliding connection with the rail groove 412. Through the opening and closing interlocking device 41, the left and right fastening grippers can be interlocked, that is, the opening and the fastening of any one of the fastening grippers can drive the opening and the closing of the other fastening gripper. The length of the track groove 412 on the fastening hand grip can enable the opening angles of the left and right fastening hand grips to reach 90 degrees respectively.
The closing locking device 42 is a plug-in locking device, wherein a lock bolt 421 is arranged at the front end of one of the fastening hand grips, the lock bolt 421 is provided with a one-way stopper, the other fastening hand grip is provided with a lock nut 422 corresponding to the lock bolt 421, and elastic lock tongues 423 in sliding fit with the lock bolt are arranged at two sides in the lock nut 422. The elastic bolt 423 shown in the figure comprises a positioning body, a spring and a movable pin, a bolt hole 45 is formed in the buckling hand grip, the elastic bolt 423 is connected with the bolt hole 45, the positioning body is connected with the bolt hole 45, and the spring and the movable pin are connected with the bolt hole 45 in a sliding mode. After the left and right buckling grips are closed, the lock bolt 421 is inserted into the lock nut 422, and the movable pins on the left and right sides of the lock nut 422 are connected with the lock bolt 421 and lock the lock bolt.
Referring to fig. 5, the locking device 42 is a snap-fit locking device, and includes a clip 424 and a bayonet 425, the clip 424 is telescopic, and is disposed on two sides of an upper end of one of the snap-fit fingers and slidably connected to the snap-fit fingers; the front end of the other fastening hand grip is provided with a bayonet 425, and the inner side of the bayonet 425 is provided with a lock hole 426 corresponding to the chuck 424. After the left and right buckling hand grips are closed, the clamping head 424 is inserted into the locking hole 426 to lock the left and right buckling hand grips.
Referring to fig. 6 and 7, the radius of the upper radian of the inner surfaces of the left and right buckling grippers is smaller than that of the lower radian thereof, and after the buckling is closed, the end surface of the clasping cavity 5 formed by the inner cambered surfaces is heart-shaped. When the clamp is used, the clamping cavity with the narrow upper part and the wide lower part can generate downward pressure on the conducting wire, so that the conducting wire is favorably fixed.
Referring to fig. 7, the specification of the cable fixing device 2 of the present invention can be flexibly selected according to different line requirements, so that the clamping cavity 5 is adapted to the outer diameter of the wire, so as to be better used for connection and fixation of the wire of the power transmission line. When the insulator is used, the insulator is integrally installed on the line support, and the left buckling hand grab and the right buckling hand grab of the fixing device 2 are in an upward opening shape in the initial state; when the insulator is connected, the wire 6 is pushed to the upper opening of the buckling body 4, then the wire 6 is slowly lowered to be connected with one side of the left buckling gripper and the right buckling gripper, the left buckling gripper and the right buckling gripper are automatically buckled under pressure along with the lowering of the wire, and after the wire enters the cable groove 33 in a descending manner and is connected with the bottom of the groove, the left buckling gripper and the right buckling gripper are closed and locked, so that the wire is quickly connected and fixed with the insulator. When the utility model is used, the top connection mode with the conducting wire on the top can be adopted, the bottom connection mode with the conducting wire on the bottom can be adopted, and the application range is wide.
Claims (5)
1. A lead self-fixing composite insulator comprises an insulator (1) and a cable fixing device (2) fixedly connected with the insulator, and is characterized in that the cable fixing device (2) comprises a base body (3) and a buckling body (4), the base body (3) comprises a connector (31) and a seat frame (32), and a cable groove (33) is formed in the seat frame (32); the buckling body (4) comprises a left buckling hand grip and a right buckling hand grip which are hinged with the seat frame (32), the inner surfaces of the left buckling hand grip and the right buckling hand grip are arc-shaped, the two buckling hand grips are respectively hinged with the seat frame (32) on two sides of the cable groove (33), and an opening and closing linkage device (41) and a closing and locking device (42) are arranged between the left buckling hand grip and the right buckling hand grip.
2. The self-fixing composite insulator for lead wires according to claim 1, wherein the cable groove (33) is arc-shaped, the left and right fastening hand grips are arc-shaped bodies, the opening and closing linkage device (41) comprises a pin body (411) and a track groove (412), one of the left and right fastening hand grips is provided with the pin body (411), the other fastening hand grip is provided with the track groove (412), and the pin body (411) is slidably connected with the track groove (412).
3. The self-fixing composite insulator for conducting wires according to claim 2, wherein the closing locking device (42) is a plug-in locking device and comprises a lock bolt (421) and a lock nut (422) which are respectively arranged at the ends of a left buckling hand grip and a right buckling hand grip, and elastic lock tongues (423) matched with the lock bolt (421) are arranged at two sides in the opening of the lock nut (422).
4. The self-retaining composite insulator of claim 2, wherein said closure locking means (42) is a snap locking means comprising a head (424) and a mouth (425), said head (424) being retractable and being disposed on either side of the end of one of said gripping fingers and being slidably connected to said body, the end of the other gripping finger being provided with said mouth (425), the inside of said mouth (425) being provided with a head hole (426) for mating with said head (424).
5. The self-fixing composite insulator for conductors as claimed in claim 2, wherein after the left and right buckling grippers are closed and buckled, the gripping cavity (5) formed by the inner arc surfaces is narrow at the top and wide at the bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207398.4U CN215834333U (en) | 2021-09-13 | 2021-09-13 | Self-fixing composite insulator for lead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122207398.4U CN215834333U (en) | 2021-09-13 | 2021-09-13 | Self-fixing composite insulator for lead |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215834333U true CN215834333U (en) | 2022-02-15 |
Family
ID=80199496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122207398.4U Active CN215834333U (en) | 2021-09-13 | 2021-09-13 | Self-fixing composite insulator for lead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215834333U (en) |
-
2021
- 2021-09-13 CN CN202122207398.4U patent/CN215834333U/en active Active
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