CN108683143B - Right-angle hanging plate fracture preventing device - Google Patents
Right-angle hanging plate fracture preventing device Download PDFInfo
- Publication number
- CN108683143B CN108683143B CN201810551285.6A CN201810551285A CN108683143B CN 108683143 B CN108683143 B CN 108683143B CN 201810551285 A CN201810551285 A CN 201810551285A CN 108683143 B CN108683143 B CN 108683143B
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- Prior art keywords
- split body
- connecting bolt
- split
- connecting hole
- side nut
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- 230000002968 anti-fracture Effects 0.000 claims description 9
- 230000002265 prevention Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 2
- 239000010931 gold Substances 0.000 abstract 2
- 229910052737 gold Inorganic materials 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- H02G7/00—Overhead installations of electric lines or cables
-
- 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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
Landscapes
- Food-Manufacturing Devices (AREA)
- Clamps And Clips (AREA)
Abstract
The utility model provides a right angle link plate prevents device that breaks, belongs to overhead transmission line gold utensil protection technical field, and the technical problem that solve provides a work process reliable and stable, right angle link plate fracture does not fall the right angle link plate protection gold utensil of cluster, the technical scheme who adopts: the first split body and the second split body are symmetrically arranged along the vertical direction, a concave table is arranged at the upper end of the first split body, a boss which is mutually embedded with the concave table is arranged at the upper end of the second split body, and a plurality of connecting holes are symmetrically formed in the first split body and the second split body; the plurality of connecting bolts comprise a first connecting bolt, a second connecting bolt and a fourth connecting bolt, and cotter pins of fixing bolts are arranged at the end parts of the first connecting bolt, the second connecting bolt and the fourth connecting bolt; the special nut comprises an inner side nut and an outer side nut which are both provided with internal threads, the diameter of the outer side nut is larger than that of the inner side nut, and a plum blossom groove type pin groove is further formed in the longitudinal section of the outer side nut.
Description
Technical Field
A right-angle hanging plate fracture prevention device belongs to the technical field of overhead transmission line hardware protection.
Background
In the actual running work of the power transmission line, the string breaking event of the right-angle hanging plate is not more, but the result is serious, the permanent shutdown of the line is directly caused, the safety running of the power transmission line is seriously threatened, the power supply reliability is low, and a large amount of manpower and material resources are consumed for disposing the string.
Disclosure of Invention
The invention aims to solve the technical problem of providing a right-angle hanging plate protection fitting which is stable and reliable in working process and can not cause the right-angle hanging plate to break and fall off strings.
In order to solve the technical problems, the invention adopts the technical scheme that: the right-angle hanging plate fracture-preventing device comprises a fracture-preventing device body consisting of a first split body and a second split body, a plurality of connecting bolts and special nuts;
the first split body and the second split body are symmetrically arranged along the vertical direction, a concave table is arranged at the upper end of the first split body, a boss which is mutually embedded with the concave table is arranged at the upper end of the second split body, a first split body first connecting hole is arranged at the concave table, a second split body first connecting hole which is symmetrical with the first split body first connecting hole is arranged at the boss, meanwhile, a first split body second connecting hole and a first split body third connecting hole are respectively arranged at the middle part and the lower end of the first split body, a second split body second connecting hole and a second split body third connecting hole are respectively arranged at the middle part and the lower end of the second split body, the first split body second connecting hole is symmetrical with the second split body second connecting hole, and the first split body third connecting hole is symmetrical with the second split body third connecting hole;
the plurality of connecting bolts comprise a first connecting bolt, a second connecting bolt and a fourth connecting bolt, wherein the first connecting bolt is used for connecting a first split first connecting hole and a second split first connecting hole, the second connecting bolt is used for connecting a first split second connecting hole and a second split second connecting hole, the fourth connecting bolt is used for connecting a first split third connecting hole and a second split third connecting hole, and split pins of fixing bolts are arranged at the end parts of the first connecting bolt, the second connecting bolt and the fourth connecting bolt;
the special nut comprises an inner side nut and an outer side nut which are both provided with internal threads, the diameter of the outer side nut is larger than that of the inner side nut, and a plum blossom groove type pin groove is further formed in the longitudinal section of the outer side nut.
The inner side nut and the outer side nut are integrally designed, the outer side nut is circular, and the outer side nut is hexagonal.
And flat pads and spring pads are further arranged at the joints of the first connecting bolt, the second connecting bolt, the third connecting bolt and the fourth connecting bolt and the connecting holes.
The installation process of the invention is as follows: firstly, removing cotter pins on a fourth connecting bolt of the right-angle hanging plate, and then removing special nuts; and secondly, sequentially installing a first split body and a second split body of the anti-fracture device body on the left side and the right side of the right-angle hanging plate, sequentially installing a first connecting bolt, a flat pad, a spring pad and a cotter pin, and sequentially installing a second connecting bolt, a flat pad, a spring pad and a cotter pin, and a fourth connecting bolt, a special nut and a cotter pin, so that the anti-fracture device is fixedly connected with the right-angle hanging plate and the ball-end hanging ring, and all bolts are screwed according to specified torque to form the structure shown in figure 1.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the invention, the right-angle hanging plate and the ball-head hanging ring are fixedly connected through the fourth connecting bolt and the special nut, once the right-angle hanging plate breaks in the operation of the power supply circuit, the first split body, the second split body, the fourth connecting bolt and the special nut are matched to act, the right-angle hanging plate is fixed on the third connecting bolt, and the ball-head hanging ring is fixed on the fourth connecting bolt, so that the occurrence of string dropping is avoided, and a great amount of manpower and material resources consumed for disposing the string dropping are further reduced. Meanwhile, the invention not only works safely and reliably, but also has simple and practical structure, low cost and wide applicability.
2. According to the invention, the special nut is arranged as the outer side nut and the inner side nut, and when the fourth connecting bolt is connected with the anti-fracture device body, the large-diameter outer side nut is arranged outside the anti-fracture device body, so that the connection stability of the fourth connecting bolt and the anti-fracture device body is enhanced; meanwhile, a plum blossom groove type pin groove which is convenient to correspond to the screw hole is formed in the longitudinal section of the outer side nut, and the plum blossom groove design further increases connection stability.
Drawings
FIG. 1 is a schematic diagram of the combined application of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a schematic structural diagram of a right-angle hanging plate and a ball-end hanging ring combined
Fig. 5 is a schematic structural view of a specialty nut.
Fig. 6 is a top view of fig. 5.
In the figure, a 1-fracture prevention device body; 1A-a first split; 1B-a second split; 1.1A-a first split first connection hole; 1.1B-second split first connection hole; 1.2A-a first split second connecting hole; 1.2B-second split second connection holes; 1.3A-a first split third connecting hole; 1.3B-a third connecting hole of the second split; 1.4 is a boss; 1.5 is a concave table; 2.1-a first connecting bolt; 2.2-a second connecting bolt; 2.3-a third connecting bolt; 2.4-fourth connecting bolts; 3-special nuts; 3.1-internal threads; 3.2-plum blossom groove type pin groove; 3.3-an inner nut; 3.4-outboard nut; 4-right angle hanging plates; 5-a ball head hanging ring; 6-cotter pin.
Detailed Description
As shown in fig. 1 to 6, the right-angle hanging plate fracture preventing device comprises a fracture preventing device body 1 consisting of a first split body 1A and a second split body 1B, a plurality of connecting bolts and a special nut 3;
the first split body 1A and the second split body 1B are symmetrically arranged along the vertical direction, a concave table 1.5 is arranged at the upper end of the first split body 1A, a boss 1.4 which is mutually embedded with the concave table 1.5 is arranged at the upper end of the second split body 1B, a first split body first connecting hole 1.1A is arranged at the concave table 1.5, a second split body first connecting hole 1.1B which is symmetrical to the first split body first connecting hole 1.1A is arranged at the boss 1.4, meanwhile, a first split body second connecting hole 1.2A and a first split body third connecting hole 1.3A are respectively arranged at the middle part and the lower end of the first split body 1A, a second split body second connecting hole 1.2B and a second split body third connecting hole 1.3B are respectively arranged at the middle part and the lower end of the second split body 1B, and the first split body second connecting hole 1.2A and the second split body second connecting hole 1.2B are symmetrically positioned, and the first split body third connecting hole 1.3A and the third split body third connecting hole 1.3B are symmetrically positioned;
the plurality of connecting bolts comprise a first connecting bolt 2.1, a second connecting bolt 2.2 and a fourth connecting bolt 2.4, wherein the first connecting bolt 2.1 is used for connecting a first split first connecting hole 1.1A and a second split first connecting hole 1.1B, the second connecting bolt 2.2 is used for connecting a first split second connecting hole 1.2A and a second split second connecting hole 1.2B, the fourth connecting bolt 2.4 is used for connecting a first split third connecting hole 1.3A and a second split third connecting hole 1.3B, and split pins of fixing bolts are arranged at the ends of the first connecting bolt 2.1, the second connecting bolt 2.2 and the fourth connecting bolt 2.4;
the special nut 3 comprises an inner side nut 3.3 and an outer side nut 3.4 which are both provided with internal threads 3.1, the diameter of the outer side nut 3.4 is larger than that of the inner side nut 3.3, and a plum blossom groove type pin groove 3.2 is further formed in the longitudinal section of the outer side nut 3.4.
The inner side nut 3.3 and the outer side nut 3.4 are integrally designed, the inner side nut 3.3 is circular in shape, and the outer side nut 3.4 is hexagonal in shape.
And flat pads and spring pads are further arranged at the joints of the first connecting bolt 2.1, the second connecting bolt 2.2, the third connecting bolt 2.3 and the fourth connecting bolt 2.4 and the connecting holes.
The third connecting bolts 2.3 and the connection between the third connecting bolts 2.3 and the right-angle hanging plate 4 are all in the prior art, and the third connecting bolts 2.3 are connected with angle steel arranged on the tower so as to fix the right-angle hanging plate 4 on the tower.
When the anti-fracture device is used, the first split 1A and the second split 1B of the anti-fracture device body 1 matched with different right-angle hanging plates 4 are processed according to the types, and the design load of the anti-fracture device body is designed according to 1.1 times of the design load of the right-angle hanging plates 4.
The above-described embodiments are intended to be illustrative of the structure of the present invention and not limiting, and modifications may be made without departing from the principles of the present invention. If the device is designed into a single-side reinforcing mode, the occurrence of string falling caused by the breakage of the right-angle hanging plate can be prevented.
Claims (3)
1. Right angle link plate fracture prevention device, its characterized in that: comprises an anti-fracture device body (1) consisting of a first split body (1A) and a second split body (1B), a plurality of connecting bolts and a special nut (3);
the first split body (1A) and the second split body (1B) are symmetrically arranged along the vertical direction, a concave table (1.5) is arranged at the upper end of the first split body (1A), a boss (1.4) which is mutually embedded with the concave table (1.5) is arranged at the upper end of the second split body (1B), a first split body first connecting hole (1.1A) is arranged at the concave table (1.5), a second split body first connecting hole (1.1B) which is symmetrical to the first split body first connecting hole (1.1A) is arranged at the boss (1.4), a first split body second connecting hole (1.2A) and a first split body third connecting hole (1.3A) are respectively arranged at the middle part and the lower end of the first split body (1A), a second split body second connecting hole (1.2B) and a second split body third connecting hole (1.3B) are respectively arranged at the middle part and the lower end of the second split body, and the first split body second connecting hole (1.2A) and the second split body third connecting hole (1.3B) are symmetrically arranged at the second split body first split body second connecting hole (1.2A) and the second split body third connecting hole (1.3A);
the plurality of connecting bolts comprise a first connecting bolt (2.1), a second connecting bolt (2.2) and a fourth connecting bolt (2.4), the first connecting bolt (2.1) is used for connecting a first split first connecting hole (1.1A) and a second split first connecting hole (1.1B), the second connecting bolt (2.2) is used for connecting a first split second connecting hole (1.2A) and a second split second connecting hole (1.2B), the fourth connecting bolt (2.4) is used for connecting a first split third connecting hole (1.3A) and a second split third connecting hole (1.3B), and split pins of fixing bolts are arranged at the end parts of the first connecting bolt (2.1), the second connecting bolt (2.2) and the fourth connecting bolt (2.4);
the right-angle hanging plate (4) and the ball-head hanging ring (5) are connected and fixed through the fourth connecting bolt (2.4) and the special nut (3), once the right-angle hanging plate (4) breaks in the operation of a power supply circuit, the first split body (1A) and the second split body (1B) are matched with the fourth connecting bolt (2.4) and the special nut (3), the right-angle hanging plate (4) is fixed on the third connecting bolt (2.3), and the ball-head hanging ring (5) is fixed on the fourth connecting bolt (2.4), so that the occurrence of falling strings is avoided;
the special nut (3) comprises an inner side nut (3.3) and an outer side nut (3.4) which are both provided with inner threads (3.1), the diameter of the outer side nut (3.4) is larger than that of the inner side nut (3.3), and a plum blossom groove type pin groove (3.2) is formed in the longitudinal section of the outer side nut (3.4); when the fourth connecting bolt (2.4) is connected with the fracture preventing device body (1), the large-diameter outer side nut (3.4) is arranged outside the fracture preventing device body (1), so that the connection stability of the fourth connecting bolt (2.4) and the fracture preventing device body (1) is enhanced.
2. The right angle hanger plate fracture prevention apparatus of claim 1, wherein: the inner side nut (3.3) and the outer side nut (3.4) are integrally designed, the outer side of the inner side nut (3.3) is circular, and the outer side nut (3.4) is hexagonal.
3. The right angle hanger plate fracture prevention apparatus according to claim 1 or 2, wherein: and flat pads and spring pads are further arranged at the joints of the first connecting bolt (2.1), the second connecting bolt (2.2), the third connecting bolt (2.3) and the fourth connecting bolt (2.4) and the connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551285.6A CN108683143B (en) | 2018-05-31 | 2018-05-31 | Right-angle hanging plate fracture preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551285.6A CN108683143B (en) | 2018-05-31 | 2018-05-31 | Right-angle hanging plate fracture preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108683143A CN108683143A (en) | 2018-10-19 |
| CN108683143B true CN108683143B (en) | 2024-04-02 |
Family
ID=63809558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810551285.6A Active CN108683143B (en) | 2018-05-31 | 2018-05-31 | Right-angle hanging plate fracture preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683143B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB977529A (en) * | 1961-04-14 | 1964-12-09 | Garry Zvi Milow | Improvements relating to overhead power lines |
| JP2000055029A (en) * | 1998-08-06 | 2000-02-22 | Hitoshi Hayashi | Fastening tool |
| CN202076750U (en) * | 2011-07-25 | 2011-12-14 | 辽宁省电力有限公司 | String falling prevention pendulous wire clamp |
| CN202268671U (en) * | 2011-10-21 | 2012-06-06 | 山西省电力公司晋城供电分公司 | Displaceable suspension string for overhead power transmission line |
| CN205070357U (en) * | 2015-08-14 | 2016-03-02 | 国家电网公司 | Overhead earth wire ship molded lines presss from both sides anti -drop structure |
| CN205533699U (en) * | 2016-01-25 | 2016-08-31 | 浙江富拓电力科技有限公司 | Right angle hanging plate |
| CN205657407U (en) * | 2016-05-27 | 2016-10-19 | 国网山西省电力公司晋城供电公司 | Overhead earth wire prevents falling string device |
| CN205986050U (en) * | 2016-08-31 | 2017-02-22 | 扬州江电线路器材有限公司 | Right angle hanging plate |
| CN208272573U (en) * | 2018-05-31 | 2018-12-21 | 国网山西省电力公司晋城供电公司 | A kind of right angle hanging plate Anti-breaking device |
-
2018
- 2018-05-31 CN CN201810551285.6A patent/CN108683143B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB977529A (en) * | 1961-04-14 | 1964-12-09 | Garry Zvi Milow | Improvements relating to overhead power lines |
| JP2000055029A (en) * | 1998-08-06 | 2000-02-22 | Hitoshi Hayashi | Fastening tool |
| CN202076750U (en) * | 2011-07-25 | 2011-12-14 | 辽宁省电力有限公司 | String falling prevention pendulous wire clamp |
| CN202268671U (en) * | 2011-10-21 | 2012-06-06 | 山西省电力公司晋城供电分公司 | Displaceable suspension string for overhead power transmission line |
| CN205070357U (en) * | 2015-08-14 | 2016-03-02 | 国家电网公司 | Overhead earth wire ship molded lines presss from both sides anti -drop structure |
| CN205533699U (en) * | 2016-01-25 | 2016-08-31 | 浙江富拓电力科技有限公司 | Right angle hanging plate |
| CN205657407U (en) * | 2016-05-27 | 2016-10-19 | 国网山西省电力公司晋城供电公司 | Overhead earth wire prevents falling string device |
| CN205986050U (en) * | 2016-08-31 | 2017-02-22 | 扬州江电线路器材有限公司 | Right angle hanging plate |
| CN208272573U (en) * | 2018-05-31 | 2018-12-21 | 国网山西省电力公司晋城供电公司 | A kind of right angle hanging plate Anti-breaking device |
Non-Patent Citations (1)
| Title |
|---|
| 220kV输电线路悬垂金具直角挂板断裂原因分析;洪毅成;蔡建宾;;理化检验(物理分册)(第05期);361-364 * |
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| Publication number | Publication date |
|---|---|
| CN108683143A (en) | 2018-10-19 |
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