CN108666954B - Line abandoning and rod protecting device for distribution network line - Google Patents
Line abandoning and rod protecting device for distribution network line Download PDFInfo
- Publication number
- CN108666954B CN108666954B CN201810470433.1A CN201810470433A CN108666954B CN 108666954 B CN108666954 B CN 108666954B CN 201810470433 A CN201810470433 A CN 201810470433A CN 108666954 B CN108666954 B CN 108666954B
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- Prior art keywords
- shell
- spring
- cable
- turntable
- thimble
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- 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
- H02G7/00—Overhead installations of electric lines or cables
Abstract
The invention discloses a wire-abandoning and rod-protecting device for a distribution network line, which comprises: the spring pressing plate comprises a first shell, a second shell, a rotary disc, a thimble, a spring accommodating part, a spring and a spring pressing plate. The degree of freedom of the turntable is limited by the first shell and the second shell, so that the turntable can only rotate on an axis; a U-shaped groove is designed on the turntable and used for placing a cable; when the distribution network line is in a stable state, the thimble is propped in the limiting groove of the turntable under the pre-tightening pressure of the spring, so that the state of the device is kept stable; when the cable is in an unstable state, the external force applied to the cable reaches a preset value, the force applied to the turntable is greater than the pressure of the spring, the thimble is jacked open, and the cable starts to rotate, and once the cable is separated from the opening of the first shell and the opening of the second shell, the cable smoothly falls into the other side of the cross beam and falls on the ground. The device has simple structure and universality, is suitable for any distribution network line, and can greatly ensure the feasibility of wire abandoning and pole protection.
Description
Technical Field
The embodiment of the invention relates to a wire abandoning and rod protecting device for a distribution network line.
Background
The coastal areas have more typhoons, typhoons with different wind levels come every year, and accidents such as tripping, breaking and pole falling of distribution lines can occur at places where strong wind passes, so that serious damage is brought to production environment and living environment. Similarly, heavy snow weather can cause some damage to the distribution lines. The natural disasters are that the existing general technical means is to abandon the cable and protect the rod, but only consider how to break away, and cannot consider that the cable possibly falls onto a cross beam for installing the insulator after breaking away, so that the cable can rub back and forth on the cross beam to cause abrasion and even breakage to the cable, and the best result of abandoning the cable and protecting the rod is that the cable falls onto the other side of the cross beam and falls onto the ground.
The existing wire-releasing device mostly adopts a suspension type or a support type for cables, and the device can only play a role under a certain condition and has no universality.
Disclosure of Invention
The invention aims to provide a line-abandoning and rod-protecting device for a distribution network line, which has a simple structure and universality and overcomes the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a join in marriage net twine and abandon line and protect lever apparatus, it includes: the spring pressing plate comprises a first shell, a second shell, a rotating disc, an ejector pin, a spring accommodating part, a spring and a spring pressing plate, wherein the first shell and the second shell are symmetrically arranged and are respectively provided with an opening; the turntable is rotatably arranged between the first shell and the second shell and is provided with a U-shaped groove for a cable to pass through and a limiting groove for a thimble to insert; the spring accommodating member is connected with the first housing and the second housing; the thimble is arranged at one end part of the spring accommodating piece and is matched and connected with the turntable; the spring pressing plate is arranged at the other end of the spring accommodating piece; the spring is positioned in the spring accommodating part and compressed between the thimble and the spring pressing plate.
Compared with the prior art, the line abandoning and rod protecting device for the distribution network line has the advantages that the device comprises: the spring pressing plate comprises a first shell, a second shell, a rotary disc, a thimble, a spring accommodating part, a spring and a spring pressing plate. The degree of freedom of the turntable is limited by the first shell and the second shell, so that the turntable can only rotate on an axis; a U-shaped groove is designed on the turntable and used for placing a cable; when the distribution network line is in a stable state, the thimble is propped in the limiting groove of the turntable under the pre-tightening pressure of the spring, so that the state of the device is kept stable; when the cable is in an unstable state, the external force applied to the cable reaches a preset value, the force applied to the turntable is greater than the pressure of the spring, the thimble is jacked open, and the cable starts to rotate, and once the cable is separated from the opening of the first shell and the opening of the second shell, the cable smoothly falls into the other side of the cross beam and falls on the ground. The device has simple structure and universality, is suitable for any distribution network line, and can greatly ensure the feasibility of wire abandoning and pole protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.
Fig. 1 is a structural sectional view of a wire-abandoning and rod-protecting device for a distribution network line according to a preferred embodiment of the invention.
Fig. 2 is an exploded view of the cable-abandoning rod-protecting device for the distribution network line according to the preferred embodiment of the invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, there will now be described in detail, with reference to the accompanying drawings, a non-limiting detailed description of the present invention.
See fig. 1 and 2. The wire abandoning and rod protecting device for the distribution network line comprises a first shell 1-1, a second shell 1-2, a rotary disc 2, a thimble 3, a spring accommodating part 4, a spring 5 and a spring pressing plate 6.
The first shell 1-1 and the second shell 1-2 are similar in structure, are arc-shaped, are respectively provided with an opening, and are symmetrically arranged when being arranged. The rear ends of the first and second housings 1-1 and 1-2 have a flange connection pad, respectively.
The rotary disc 2 is rotatably installed between the first casing 1-1 and the second casing 1-2, and is provided with a U-shaped groove 2a for the cable to pass through and a limiting groove for the thimble to insert (the number of the drawing can not be marked because the thimble is inserted and blocked).
The spring housing 4 is hollow inside, and in this embodiment, has a rectangular parallelepiped outer shape. The thimble is mounted in the spring receiving member 4 and is located at one end thereof. The spring pressing plate 6 is located at the other end of the spring accommodating part 4 and is fixedly connected with the spring accommodating part 4 through a screw. The spring 5 is located inside the spring housing 4 and is compressed between the ejector pin 3 and the spring holding plate 6. When the spring accommodating part 4 is installed, the spring accommodating part 4 is connected with flange plates at the rear ends of the first shell 1-1 and the second shell 1-2 through screws, the ejector pin 3 penetrates out of the spring accommodating part 4 and can be inserted into a limiting groove of the turntable 2, the compression degree of the spring 5 can be adjusted by adjusting the pressing force of the spring pressing plate 6, so that the engagement degree of the ejector pin 3 and the limiting groove is adjusted, and finally the critical external acting force for rotating the turntable 2 is adjusted.
The wire-abandoning pole-protecting device for the distribution network line realizes the actual function of abandoning the cable when the cable is stressed too much and protecting the telegraph pole. The device has the advantages of simple structure, light weight, simplicity and convenience in installation, convenience in maintenance and the like. And no matter the cable is subjected to wind power in the opening direction or the opposite direction, the cable can be separated from the opening direction when being abandoned, and the cable is prevented from falling on a cross beam for mounting the insulator. The device can also be adapted to various stringing modes such as suspension type, support type and diagonal type by simply changing the angles of the U-shaped groove, the conical groove and the flange on the disc, has better universality and can play a good role in erecting cables in different modes.
It should be noted that the above-mentioned preferred embodiments are merely illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (1)
1. The utility model provides a join in marriage net twine and abandon line and protect lever apparatus which characterized in that includes: a first shell, a second shell, a rotary disc, a thimble, a spring accommodating part, a spring and a spring pressing plate, wherein,
the first shell and the second shell are symmetrically arranged and respectively provided with an opening;
the turntable is rotatably arranged between the first shell and the second shell and is provided with a U-shaped groove for a cable to pass through and a limiting groove for a thimble to insert;
the spring accommodating member is connected with the first housing and the second housing;
the thimble is arranged at one end part of the spring accommodating piece and is matched and connected with the turntable;
the spring pressing plate is arranged at the other end of the spring accommodating piece;
the spring is positioned in the spring accommodating part and compressed between the thimble and the spring pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470433.1A CN108666954B (en) | 2018-05-16 | 2018-05-16 | Line abandoning and rod protecting device for distribution network line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470433.1A CN108666954B (en) | 2018-05-16 | 2018-05-16 | Line abandoning and rod protecting device for distribution network line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108666954A CN108666954A (en) | 2018-10-16 |
| CN108666954B true CN108666954B (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470433.1A Active CN108666954B (en) | 2018-05-16 | 2018-05-16 | Line abandoning and rod protecting device for distribution network line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108666954B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203787913U (en) * | 2014-02-27 | 2014-08-20 | 广东电网公司电力科学研究院 | Typhoon-proof pole-protecting wire-protecting and pole-protecting wire-abandoning energy-absorbing disengaging integrated device of distribution line |
| CN106058768A (en) * | 2016-06-02 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Lead top-placed type distribution network line wire-abandoning rod-maintaining apparatus |
| CN205811486U (en) * | 2016-07-15 | 2016-12-14 | 广东电网有限责任公司电力科学研究院 | The wire-clamping device of bar protected by a kind of line of abandoning |
| CN107895913A (en) * | 2017-12-07 | 2018-04-10 | 张孝勤 | Off-line ejector in a kind of electric power cable laying pipe |
-
2018
- 2018-05-16 CN CN201810470433.1A patent/CN108666954B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203787913U (en) * | 2014-02-27 | 2014-08-20 | 广东电网公司电力科学研究院 | Typhoon-proof pole-protecting wire-protecting and pole-protecting wire-abandoning energy-absorbing disengaging integrated device of distribution line |
| CN106058768A (en) * | 2016-06-02 | 2016-10-26 | 广东电网有限责任公司电力科学研究院 | Lead top-placed type distribution network line wire-abandoning rod-maintaining apparatus |
| CN205811486U (en) * | 2016-07-15 | 2016-12-14 | 广东电网有限责任公司电力科学研究院 | The wire-clamping device of bar protected by a kind of line of abandoning |
| CN107895913A (en) * | 2017-12-07 | 2018-04-10 | 张孝勤 | Off-line ejector in a kind of electric power cable laying pipe |
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| Publication number | Publication date |
|---|---|
| CN108666954A (en) | 2018-10-16 |
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