CN215733150U - Electrified repacking device of transmission line split pin - Google Patents
Electrified repacking device of transmission line split pin Download PDFInfo
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- CN215733150U CN215733150U CN202122038428.3U CN202122038428U CN215733150U CN 215733150 U CN215733150 U CN 215733150U CN 202122038428 U CN202122038428 U CN 202122038428U CN 215733150 U CN215733150 U CN 215733150U
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- fixed cylinder
- adjusting rod
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- transmission line
- pin
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Abstract
The utility model relates to an electrified repair device for a cotter pin of a power transmission line, which comprises an insulating operating rod, a fixed cylinder and an adjusting rod, wherein the fixed cylinder is hollow inside, the adjusting rod is in sliding fit with the fixed cylinder, one end of the fixed cylinder is provided with an opening, the end surface of the other end of the fixed cylinder is provided with a positioning notch which is radially penetrated and is beneficial to the fact that one end of the cotter pin, which is far away from the opening of the cotter pin, extends into the positioning notch, and the middle parts of two side walls of the positioning notch are respectively provided with an accommodating concave part which is used for being matched with the cotter pin of which the opening is in a closed state; one end of the adjusting rod is connected with the top of the insulating operating rod through the connecting piece, the other end of the adjusting rod penetrates through the opening and then extends into the inside of the fixed cylinder and is used for being abutted against the cotter pin, and the side wall of the fixed cylinder is provided with a fastener for fixing the adjusting rod. The utility model has reasonable design and simple operation, can greatly shorten the R pin repair time, improves the line defect elimination efficiency and plays an important role in the safe and stable operation of a power grid.
Description
The technical field is as follows:
the utility model relates to an electrified repair device for a cotter pin of a power transmission line.
Background art:
the overhead transmission line is exposed in a natural environment for a long time and is easy to be attacked by various meteorological conditions (such as strong wind, ice and snow, temperature change, lightning stroke and the like) and other external adverse factors, and each part of the transmission line is very important to the line arrangement.
However, recently, line patrolmen find that R-shaped pins on part of lines drop and deform seriously during patrolling, the R-shaped pins on power transmission lines are small but have different functions, the R-shaped pins are also called locking pins, and locking characters are all the key points.
The traditional reimbursement mode is combined with line power failure maintenance to carry out treatment, or is carried out equipotential defect eliminating operation under the condition that the condition allows, and the two modes have the following defects: (1) when power failure maintenance is carried out, the line needs to be powered off, safety measures are made, and then the line can start to work, and the R pin is repaired, so that an operator needs to put a wire to the end of the insulator, and the danger is high; (2) when the equipotential disappears, a rope ladder method is generally adopted, and the operation site is dried and reasonably arranged on the spot, so that the safety distance of the operation personnel is ensured. During operation, ground potential personnel firstly climb the tower to be matched with the hanging rope ladder, and equipotential personnel climb the rope ladder to the defect position, so that the number of required personnel is large, the work preparation time is long, the danger is high, and the climbing of the rope ladder is time-consuming and labor-consuming.
With the rapid development of society, the requirement of a power grid on the quality of electric energy is higher and higher, and the traditional reimbursement method has some disadvantages, so how to ensure uninterrupted power supply and complete reimbursement in a short time becomes a subject which needs important research.
The utility model has the following contents:
the utility model aims to solve the problems in the prior art, namely, the utility model provides the electrified patching device for the cotter pin of the power transmission line, which is reasonable in design and convenient to operate.
In order to achieve the purpose, the utility model adopts the technical scheme that: the electrified repacking device of the cotter pin of the power transmission line comprises an insulating operating rod, a fixed cylinder and an adjusting rod, wherein the fixed cylinder is hollow inside, the adjusting rod is in sliding fit with the fixed cylinder, one end of the fixed cylinder is provided with an opening, the end surface of the other end of the fixed cylinder is provided with a positioning notch which is radially communicated and facilitates the one end of the cotter pin, which is far away from the opening of the cotter pin, to extend into, and the middle parts of two side walls of the positioning notch are respectively provided with an accommodating concave part which is used for being matched with the cotter pin of which the opening is in a closed state; one end of the adjusting rod is connected with the top of the insulating operating rod through the connecting piece, the other end of the adjusting rod penetrates through the opening and then extends into the inside of the fixed cylinder and is used for being abutted against the cotter pin, and the side wall of the fixed cylinder is provided with a fastener for fixing the adjusting rod.
Furthermore, the side wall of the fixed cylinder is provided with radial screw holes which are communicated along the radial direction, the fastening piece is a locking bolt, and the locking bolt is in threaded fit with the radial screw holes.
Further, the accommodating concave part is in a circular arc shape.
Furthermore, the end face of one end, extending into the fixed cylinder, of the adjusting rod is provided with an abutting concave part used for abutting against the cotter pin, and the abutting concave part is arc-shaped.
Furthermore, the connecting piece includes the connecting rod, the one end of connecting rod is articulated mutually with adjusting the pole, and the other end of connecting rod is equipped with threaded connection portion, the top of insulating bar is equipped with the connection screw, the connection screw is connected with threaded connection portion looks spiro union.
Furthermore, one end of the adjusting rod, which extends out of the fixed cylinder, is provided with a U-shaped hinged concave part, one end of the connecting rod, which is close to the adjusting rod, is provided with a hinged convex part, the hinged convex part extends into the inner side of the U-shaped hinged concave part, and the hinged convex part is hinged with the U-shaped hinged concave part through a hinged bolt.
Compared with the prior art, the utility model has the following effects: the utility model has reasonable design and simple operation, can greatly shorten the R pin repair time, improves the line defect elimination efficiency and plays an important role in the safe and stable operation of a power grid.
Description of the drawings:
FIG. 1 is a first schematic diagram of the structure of an embodiment of the present invention;
FIG. 2 is a second schematic view of the structure of the embodiment of the present invention (omitting the insulating operating rod);
FIG. 3 is a schematic sectional front view showing the construction of the fixed cylinder in the embodiment of the present invention;
FIG. 4 is a schematic side sectional view of a fixed cylinder according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a top-view configuration of a fixed barrel in an embodiment of the present invention;
FIG. 6 is a first schematic view illustrating the engagement of the cotter pin with the fixed barrel according to an embodiment of the present invention;
FIG. 7 is a second schematic view illustrating the engagement between the cotter pin and the fixed cylinder according to an embodiment of the present invention;
FIG. 8 is a schematic view showing an installation state of a cotter pin in the embodiment of the present invention;
fig. 9 is a schematic view showing a state after the cotter pin is mounted in the embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 9, the electrified supplementary device for the cotter pin of the power transmission line comprises an insulating operating rod 1, a hollow fixed cylinder 2 and an adjusting rod 3 in sliding fit with the fixed cylinder 2, wherein one end of the fixed cylinder 2 is provided with an opening, the other end face of the fixed cylinder 2 is provided with a positioning notch 4, the depth of the positioning notch 4 extends along the axis direction of the fixed cylinder 2, the positioning notch 4 is through along the radial direction of the fixed cylinder and is beneficial to the insertion of one end of the cotter pin 5 far away from the opening of the cotter pin, and the middle parts of two side walls of the positioning notch 4 are respectively provided with an accommodating concave part 6 which is used for being matched with the cotter pin 5 with the opening in a closed state; one end of the adjusting rod 3 is connected with the top of the insulating operating rod 1 through a connecting piece 7, the other end of the adjusting rod 3 penetrates through an opening of the fixed cylinder 2 and then extends into the fixed cylinder 2 and is used for being abutted to the cotter pin 5, and a fastening piece 8 used for fixing the adjusting rod 3 is arranged on the side wall of the fixed cylinder 2.
In this embodiment, the side wall of the fixed cylinder 3 is provided with a radial screw hole 9 which is through along the radial direction, the fastening member 8 is a locking bolt, and the locking bolt is in threaded fit with the radial screw hole. Because the adjusting rod is in sliding fit with the inside of the fixed cylinder, the adjusting rod can be locked and fixed after moving to a proper distance by arranging the locking bolt. Through set up slidable regulation pole in fixed section of thick bamboo inside, adjust the adjustable space that pole and location notch formation can be adjusted along the axis direction, can satisfy the fixed of various size cotter pins.
In this embodiment, the accommodating recess 6 is in a circular arc shape for better contact fit with the cotter pin.
In this embodiment, in order to better contact and match with the cotter, an abutting concave portion 10 for abutting against the cotter 5 is provided on an end surface of the adjusting rod 3 extending into the fixed cylinder 2, and the abutting concave portion 10 is arc-shaped.
In this embodiment, the connecting members 7 include a connecting rod 11, one end of the connecting rod 11 is hinged to the adjusting rod 3, the other end of the connecting rod 3 is provided with a threaded connection portion 12, the top of the insulating operating rod 1 is provided with a connecting screw hole 13, and the connecting screw hole 13 is in threaded connection with the threaded connection portion 12.
In this embodiment, one end of the adjusting rod 3 extending out of the fixed cylinder 2 is provided with a U-shaped hinge concave portion 14, one end of the connecting rod 11 close to the adjusting rod 3 is provided with a hinge convex portion 15, the hinge convex portion 15 extends into the inner side of the U-shaped hinge concave portion 14, and the hinge convex portion 15 and the U-shaped hinge concave portion 14 are hinged through the cooperation of a hinge bolt 16 and a nut. Through adopting this hinge structure, can be convenient for adjust the position of fixed section of thick bamboo for can be used for the different each pinhole of repacking orientation in the operation process.
In this embodiment, the insulating operating rod 1 is an existing mature product, and the structure thereof is not repeated here.
In this embodiment, the fixed cylinder 2, the adjusting rod 3 and the connecting rod 11 are made of iron materials.
In this embodiment, the fixed cylinder is a hollow cylinder tubular structure with a height of 22mm and a bottom diameter of 13mm, a groove (also called a positioning notch) with a width of 4mm and a height of 10mm is cut at the central position of the upper end, and a round notch (also called an accommodating concave part) with a diameter of 5mm is arranged in the middle of the positioning notch, so that the R pin can be fixed conveniently.
In this embodiment, the method includes the following steps: (1) pushing the cotter pin (i.e. the R-shaped pin) into the positioning notch 4 from the side of the end of the cotter pin away from the opening until the cotter pin 5 is located at the axial position of the fixed cylinder 2, as shown in fig. 6; (2) pinching two arms of the cotter 5, rotating the cotter 90 degrees around the axis, and then placing the cotter at the position of the accommodating concave part 6, wherein the cotter 5 is in a closed state, the cotter 5 props against the accommodating concave part 6, then moving the adjusting rod 3, so that the adjusting rod 3 is propped against one end of the cotter 5, which is positioned at the positioning notch 4, and at the moment, the cotter 5 is fixed by matching the adjusting rod 3 with the accommodating concave parts 6 at two sides, as shown in fig. 7; (3) operating the insulating operating rod 1 to insert the cotter 5 into the pin hole 18 of the bolt 17, as shown in fig. 8, wherein the bulge of the cotter 5 clamps the cotter in the pin hole 18 of the bolt 17; (4) then, the fixed cylinder 2 is rotated by 90 degrees through the insulating operating rod 1, at this time, the cotter pin 5 is separated from the accommodating recess 6, and then the fixed cylinder 2 is pulled out from the cotter pin, as shown in fig. 9.
Compared with the traditional reimbursement method, the application of the device can shorten the defect eliminating operation time of the operating personnel from more than 40min to about 20min, and effectively shorten the operation time by 35%. Through practice for many times, the working time of the operators can be shortened to be within 30 min. The device has the advantages of portability, simple operation and the like, and the successful development of the device can greatly shorten the R pin repair time, improve the circuit defect elimination efficiency and play an important role in the safe and stable operation of a power grid.
If the utility model discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the utility model can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.
Claims (6)
1. The utility model provides an electrified repacking device of transmission line split pin, includes insulating bar, its characterized in that: the adjusting device is characterized by also comprising a fixed cylinder and an adjusting rod, wherein the fixed cylinder is hollow inside, the adjusting rod is in sliding fit with the fixed cylinder, one end of the fixed cylinder is provided with an opening, the end surface of the other end of the fixed cylinder is provided with a positioning notch which is radially communicated and facilitates the end, far away from the opening, of the cotter pin to extend into, and the middle parts of two side walls of the positioning notch are respectively provided with an accommodating concave part which is used for being matched with the cotter pin of which the opening is in a closed state; one end of the adjusting rod is connected with the top of the insulating operating rod through the connecting piece, the other end of the adjusting rod penetrates through the opening and then extends into the inside of the fixed cylinder and is used for being abutted against the cotter pin, and the side wall of the fixed cylinder is provided with a fastener for fixing the adjusting rod.
2. The electrified repacking device of transmission line split pin of claim 1, characterized in that: the side wall of the fixed cylinder is provided with radial screw holes which are communicated along the radial direction, the fastening piece is a locking bolt, and the locking bolt is in threaded fit with the radial screw holes.
3. The electrified repacking device of transmission line split pin of claim 1, characterized in that: the accommodating concave part is in a circular arc shape.
4. The electrified repacking device of transmission line split pin of claim 1, characterized in that: the adjusting rod is provided with an adjusting rod, the adjusting rod is connected with the adjusting rod through a pin, and the adjusting rod is inserted into the fixed cylinder.
5. The electrified repacking device of transmission line split pin of claim 1, characterized in that: the connecting piece includes the connecting rod, the one end of connecting rod is articulated mutually with adjusting the pole, and the other end of connecting rod is equipped with threaded connection portion, the top of insulating bar is equipped with the connection screw, connection screw and threaded connection looks spiro union.
6. The electrified repacking device of transmission line split pin of claim 5, characterized in that: the adjusting rod is provided with a U-shaped hinged concave part at one end extending out of the fixed cylinder, a hinged convex part is arranged at one end of the connecting rod close to the adjusting rod, the hinged convex part extends into the inner side of the U-shaped hinged concave part, and the hinged convex part is hinged with the U-shaped hinged concave part through a hinged bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038428.3U CN215733150U (en) | 2021-08-27 | 2021-08-27 | Electrified repacking device of transmission line split pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122038428.3U CN215733150U (en) | 2021-08-27 | 2021-08-27 | Electrified repacking device of transmission line split pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215733150U true CN215733150U (en) | 2022-02-01 |
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ID=80008105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122038428.3U Active CN215733150U (en) | 2021-08-27 | 2021-08-27 | Electrified repacking device of transmission line split pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215733150U (en) |
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2021
- 2021-08-27 CN CN202122038428.3U patent/CN215733150U/en active Active
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