CN113922312A - Transmission line anti-drop suspension wire presss from both sides device - Google Patents
Transmission line anti-drop suspension wire presss from both sides device Download PDFInfo
- Publication number
- CN113922312A CN113922312A CN202111333758.3A CN202111333758A CN113922312A CN 113922312 A CN113922312 A CN 113922312A CN 202111333758 A CN202111333758 A CN 202111333758A CN 113922312 A CN113922312 A CN 113922312A
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- Prior art keywords
- hull
- bolt
- sleeve
- hanging
- transmission line
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- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/053—Suspension clamps and clips for electric overhead lines not suspended to a supporting wire
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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a transmission line anti-drop suspension wire clamp device, which comprises: the cable clamp comprises two hanging plates, a cable clamp hull, a hull hanging shaft and two connecting bolts, wherein the cable clamp hull is arranged between the two hanging plates, the hull hanging shaft penetrates through the cable clamp hull and the two hanging plates, pins are inserted at two ends of the hull hanging shaft, the two hanging plates are fixedly connected through the connecting bolts, locking nuts are arranged on the connecting bolts, the connecting bolts and the locking nuts are respectively connected with bolt limiters and nut limiters, the cable clamp hull is arranged between the two connecting bolts, and pins are also arranged on the connecting bolts. Compared with the prior art, the hanging plate and the connecting bolt form a stable sealing structure by arranging the bolt limiter and the nut limiter to respectively prevent the connecting bolt and the locking nut from withdrawing, and after a hanging shaft of a ship body in the middle of the hanging plate is broken or a pin is lost, a fallen cable clamp ship body and a wire can be dragged by the connecting bolt below the hanging plate, so that a double protection effect is achieved.
Description
Technical Field
The invention relates to the technical field of wire clamps, in particular to an anti-drop suspension wire clamp device for a power transmission line.
Background
The suspension clamp (as shown in fig. 1) is used for fixing a transmission line conductor on an insulator string of a linear tower, or suspending an overhead ground wire (a lightning conductor) on the linear tower, and can also be used for supporting the fixing of a transposed conductor and a tension-resistant corner tower jumper on a transposed tower. The suspension clamp bears the vertical load of the ground wire all the time in the operation, and when the wind blows the lead to vibrate, the suspension clamp can vibrate along with the lead, so that the pin of the suspension clamp drops or the hanging shaft is abraded and broken, and serious accidents of wire dropping are caused.
Therefore, there is a need to provide a new drop-proof suspension clamp device for transmission line to solve the above technical problems.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects in the prior art and disclose an anti-drop suspension wire clamp device for a power transmission line.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a transmission line anti-drop plumb line presss from both sides device, includes: the cable clamp comprises two hanging plates, a cable clamp hull, a hull hanging shaft and two connecting bolts, wherein the cable clamp hull is arranged between the two hanging plates, the hull hanging shaft penetrates through the cable clamp hull and the two hanging plates, pins are inserted at two ends of the hull hanging shaft, the two hanging plates are fixedly connected through the connecting bolts, locking nuts are arranged on the connecting bolts, the connecting bolts and the locking nuts are respectively connected with bolt limiters and nut limiters, the cable clamp hull is arranged between the two connecting bolts, and pins are also arranged on the connecting bolts.
Preferably, the bolt limiter comprises a first sleeve, the first sleeve is connected with the hanging plate in a sliding mode, the first sleeve is connected with a first limiting plate, and a clamping groove matched with the head of the connecting bolt is formed in the first limiting plate and the first sleeve.
Preferably, the first sleeve is provided with a first bolt hole penetrating through the first sleeve, the connecting bolt penetrates through the first bolt hole, and the first sleeve moves up and down along the connecting bolt through the first bolt hole.
Preferably, the nut limiter comprises a second sleeve, the second sleeve is connected with the hanging plate in a sliding mode, a second limiting plate is connected to the second sleeve, and a limiting groove matched with the locking nut is formed in the second limiting plate and the second sleeve.
Preferably, the second sleeve and the second limiting plate are provided with second bolt holes penetrating through the second sleeve and the second limiting plate, the connecting bolt penetrates through the second bolt holes, and the second sleeve moves up and down along the connecting bolt through the second bolt holes.
Preferably, the outer sides of the two hanging plates are respectively provided with a first sliding chute and a second sliding chute, the first limiting plate slides up and down along the sliding chutes, and the second limiting plate slides up and down along the second sliding chutes.
Preferably, a limiting cylinder is sleeved on the connecting bolt below the cable clamp hull.
Preferably, the upper end and the lower end of each of the two hanging plates are provided with a tightening section, and the cross section of each tightening section is gradually reduced from the ship body of the wire clamp to the end part of each hanging plate.
Preferably, the clamp comprises a pressing plate and a U-shaped bolt, the pressing plate is fixed on the clamp hull through the U-shaped bolt, and the pressing plate is arranged at the upper end of the clamp hull.
Preferably, the cable clamp hull and the pressure plate are both made of cast iron.
Compared with the prior art, the invention has the following advantages:
according to the invention, the upper end and the lower end of the hanging plate are fixed through the connecting bolts to form a sealing structure, and after a hanging shaft of the ship body in the middle of the hanging plate is broken or a pin is lost, the fallen cable clamp ship body and a lead can be dragged by the connecting bolts below the hanging plate, so that a double protection effect is achieved. The bolt limiter and the nut limiter are arranged to respectively prevent the connecting bolt and the locking nut from withdrawing, so that a sealing structure formed by the hanging plate and the connecting bolt cannot be damaged, and double protection is provided for the cable clamp ship body.
Drawings
FIG. 1 is a schematic structural view of a prior art suspension clamp;
FIG. 2 is a partial schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the hanging plate of the present invention;
FIG. 4 is a schematic structural view of the bolt limiter of the present invention;
fig. 5 is a schematic structural view of the nut limiter of the present invention.
Description of reference numerals:
1. the novel cable clamp comprises a hanging plate, 2. a cable clamp hull, 3. a hull hanging shaft, 4. a connecting bolt, 5. a pin, 6. a locking nut, 7. a bolt limiter, 8. a nut limiter, 71. a first sleeve, 72. a first limiting plate, 73. a clamping groove, 74. a first bolt hole, 81. a second sleeve, 82. a second limiting plate, 83. a limiting groove, 84. a second bolt hole, 9. a limiting cylinder, 11. a tightening section, 100. a pressing plate and 200. a U-shaped bolt.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
Referring to FIGS. 2-5, specific embodiments of the present invention are shown; as shown in the figures, the invention discloses a power transmission line anti-drop suspension wire clamp device, which comprises: two link plates 1, the fastener hull 2, hull peg 3 and two connecting bolt 4, the fastener hull 2 is located between two link plates 1, hull peg 3 passes fastener hull 2 and two link plates 1, hull peg 3 rotates with link plate 1 to be connected, the both ends of hull peg 3 are inserted and are equipped with pin 5, two link plates 1 pass through connecting bolt 4 fixed connection, be equipped with lock nut 6 on the connecting bolt 4, connecting bolt 4 and lock nut 6 are connected with bolt stopper 7 and nut stopper 8 respectively, the fastener hull 2 is located between two connecting bolt 4 from top to bottom, also be equipped with pin 5 on the connecting bolt 4.
The nut limiter 8 comprises a second sleeve 81, the second sleeve 81 is connected with the hanging plate 1 in a sliding mode, the second sleeve 81 is connected with a second limiting plate 82, and a limiting groove 83 matched with the locking nut 6 is formed in the second limiting plate 82 and the second sleeve 81. The second sleeve 81 slides upwards, the connecting bolt 4 penetrates through the hanging plate 1, the second sleeve 81 slides downwards under the influence of self gravity, the limiting groove 83 clamps the locking nut 6, and the locking nut 6 is limited to be withdrawn from the connecting bolt 4.
The second sleeve 81 and the second limiting plate 82 are provided with second bolt holes 84 penetrating through the second sleeve, the connecting bolt 4 penetrates through the second bolt holes 84, the second sleeve 81 moves up and down along the connecting bolt 4 through the second bolt holes 84, the second sleeve 81 slides down under the influence of self gravity, and the limiting grooves 83 can better clamp the locking nuts 6 due to the arrangement of the second bolt holes 84.
The outside of two link plates 1 is equipped with first spout and second spout respectively, and first limiting plate 72 slides from top to bottom along the spout, and second limiting plate 82 slides from top to bottom along the second spout. The first sliding groove is arranged to prevent the bolt limiter 7 from falling off from the hanging plate 1, so that the bolt limiter 7 and the hanging plate 1 are integrated. The second sliding groove is arranged to prevent the nut limiter 8 from falling off from the other hanging plate 1, so that the bolt limiter 7 and the other hanging plate 1 are integrated.
The connecting bolt 4 positioned below the wire clamp hull 2 is sleeved with a limiting cylinder 9. When this setting can avoid suspension clamp to assemble, 6 fastening strokes of lock nut of connecting bolt 4 of link plate 1 lower extreme are too big, lead to the unable installation of connecting bolt 4 or the fastening of top not in place, and the unable installation of pin 5.
The upper end and the lower end of each of the two hanging plates 1 are provided with a tightening section 11, and the cross section of each tightening section 11 is gradually reduced from the cable clamp hull 2 to the end part of each hanging plate 1.
The embodiment further comprises a pressing plate 100 and U-shaped bolts 200, wherein the pressing plate 100 is fixed on the wire clamp hull 2 through the U-shaped bolts 200, and the pressing plate 100 is arranged at the upper end of the wire clamp hull 2.
The clamp hull 2 and the pressure plate 100 are made of cast iron.
The assembly process of the suspension clamp comprises the following steps: after the pressing plate 100 is installed into the cable clamp hull 2, the pressing plate 100 is pressed and fixed by the U-shaped bolt 200. And then assembling the hanging plate 1, enabling the connecting bolt 4 to penetrate through the hanging plate 1, the first bolt hole 74 and the second bolt hole 84, screwing the locking nut 6, and inserting the pin 5 to finish the assembly. The bolt stopper 7 and the nut stopper 8 move downward under the action of self gravity, so that the head of the connecting bolt 4 and the lock nut 6 are respectively inserted into the clamping groove 73 and the limiting groove 83, and after the pin 5 on the connecting bolt 4 is lost, the clamping groove 73 and the limiting groove 83 can always prevent the connecting bolt 4 and the lock nut 6 from withdrawing.
According to the invention, the upper end and the lower end of the hanging plate 1 are fixed through the connecting bolts 4 to form a sealing structure, and after the hull hanging shaft 3 in the middle of the hanging plate 1 is broken or the pin 5 is lost, the fallen wire clamp hull 2 and the wire can be dragged by the connecting bolts 4 below the hanging plate 1, so that a double protection effect is achieved. The connecting bolt 4 and the locking nut 6 are prevented from withdrawing respectively by arranging the bolt limiter 7 and the nut limiter 8, so that the sealing structure formed by the hanging plate 1 and the connecting bolt 4 cannot be damaged, and double protection is provided for the cable clamp hull 2.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a transmission line anti-drop suspension clamp device which characterized in that includes: the cable clamp comprises two hanging plates, a cable clamp hull, a hull hanging shaft and two connecting bolts, wherein the cable clamp hull is arranged between the two hanging plates, the hull hanging shaft penetrates through the cable clamp hull and the two hanging plates, pins are inserted at two ends of the hull hanging shaft, the two hanging plates are fixedly connected through the connecting bolts, locking nuts are arranged on the connecting bolts, the connecting bolts and the locking nuts are respectively connected with bolt limiters and nut limiters, the cable clamp hull is arranged between the two connecting bolts, and pins are also arranged on the connecting bolts.
2. The electric transmission line anti-drop suspension wire clamp device according to claim 1, wherein the bolt limiter comprises a first sleeve, the first sleeve is slidably connected with the hanging plate, the first sleeve is connected with a first limiting plate, and a clamping groove matched with the head of the connecting bolt is formed in the first limiting plate and the first sleeve.
3. The electric transmission line drop-preventing suspension clamp device according to claim 2, wherein the first sleeve is provided with a first bolt hole penetrating therethrough, the connecting bolt passes through the first bolt hole, and the first sleeve moves up and down along the connecting bolt through the first bolt hole.
4. The electric transmission line anti-drop suspension wire clamp device according to claim 3, wherein the nut limiter comprises a second sleeve, the second sleeve is connected with the hanging plate in a sliding manner, the second sleeve is connected with a second limiting plate, and a limiting groove matched with the lock nut is formed in the second limiting plate and the second sleeve.
5. The electric transmission line anti-drop suspension clamp device according to claim 4, wherein the second sleeve and the second limiting plate are provided with second bolt holes penetrating therethrough, the connecting bolt passes through the second bolt hole, and the second sleeve moves up and down along the connecting bolt through the second bolt hole.
6. The electric transmission line anti-drop suspension clamp device according to claim 5, wherein a first sliding groove and a second sliding groove are respectively formed at the outer sides of the two hanging plates, the first limiting plate slides up and down along the sliding grooves, and the second limiting plate slides up and down along the second sliding grooves.
7. The electric transmission line anti-drop suspension clamp device according to claim 1, wherein a limiting cylinder is sleeved on the connecting bolt below the clamp hull.
8. The electric transmission line anti-drop suspension wire clamp device according to claim 1, wherein the upper and lower ends of the two hanging plates are provided with tightening sections, and the cross section of the tightening sections is gradually reduced from the cable clamp hull to the end of the hanging plate.
9. The electric transmission line anti-drop suspension clamp device according to claim 1, further comprising a pressing plate and a U-shaped bolt, wherein the U-shaped bolt fixes the pressing plate on the clamp hull, and the pressing plate is arranged at the upper end of the clamp hull.
10. The electric transmission line drop-preventing suspension clamp device according to claim 9, wherein the clamp hull and the pressing plate are both made of cast iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333758.3A CN113922312A (en) | 2021-11-11 | 2021-11-11 | Transmission line anti-drop suspension wire presss from both sides device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333758.3A CN113922312A (en) | 2021-11-11 | 2021-11-11 | Transmission line anti-drop suspension wire presss from both sides device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113922312A true CN113922312A (en) | 2022-01-11 |
Family
ID=79246208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333758.3A Pending CN113922312A (en) | 2021-11-11 | 2021-11-11 | Transmission line anti-drop suspension wire presss from both sides device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113922312A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114977055A (en) * | 2022-06-22 | 2022-08-30 | 浙江泰昌实业有限公司 | Wire suspension wire clamp device of power transmission line |
| CN116937431A (en) * | 2023-09-12 | 2023-10-24 | 国网山西省电力公司晋中供电公司 | Ground wire hanging point connecting device |
-
2021
- 2021-11-11 CN CN202111333758.3A patent/CN113922312A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114977055A (en) * | 2022-06-22 | 2022-08-30 | 浙江泰昌实业有限公司 | Wire suspension wire clamp device of power transmission line |
| CN116937431A (en) * | 2023-09-12 | 2023-10-24 | 国网山西省电力公司晋中供电公司 | Ground wire hanging point connecting device |
| CN116937431B (en) * | 2023-09-12 | 2024-01-19 | 国网山西省电力公司晋中供电公司 | Ground wire hanging point connecting device |
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