CN222981209U - Vertical double-split conductor without hanging point single-phase double-set anti-dropping device for overhead transmission line - Google Patents
Vertical double-split conductor without hanging point single-phase double-set anti-dropping device for overhead transmission line Download PDFInfo
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- CN222981209U CN222981209U CN202422084678.4U CN202422084678U CN222981209U CN 222981209 U CN222981209 U CN 222981209U CN 202422084678 U CN202422084678 U CN 202422084678U CN 222981209 U CN222981209 U CN 222981209U
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Abstract
一种架空输电线路垂直双分裂导线无挂点单相双套防掉线装置：包括挂点板以及两个第一挂环、两个楔形线夹和两个导线夹线器；所述楔形线夹夹扣在对应导线夹线器的前端，楔形线夹上分别设有单联挂板，单联挂板相对远离楔形线夹的一端分别通过对应第一挂环与挂点板连接。本实用新型能够为垂直双分裂导线上安装安全备份线夹提供挂点实现双联双挂的防护。
A single-phase double-set anti-dropping device for vertical double-split conductors of overhead power transmission lines without hanging points: comprising a hanging point plate, two first hanging rings, two wedge-shaped wire clamps and two wire clamps; the wedge-shaped wire clamps are clamped at the front end of the corresponding wire clamps, and the wedge-shaped wire clamps are respectively provided with single-joint hanging plates, and the ends of the single-joint hanging plates that are relatively far from the wedge-shaped wire clamps are respectively connected to the hanging point plates through the corresponding first hanging rings. The utility model can provide hanging points for installing safety backup wire clamps on vertical double-split conductors to realize double-joint and double-hanging protection.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a single-phase double-sleeve anti-drop device for a vertical double-split conductor of an overhead transmission line without hanging points.
Background
The transmission line runs in meteorological areas such as icing, strong wind for a long time, and because of icing, line galloping increase the comprehensive load of the ground wire and link fitting and shaft tower atress position, the ground wire slippage of different degree, OPGW optical cable preformed armor rod loose and take off and fastener skew hidden danger appear, and traditional crimping strain clamp causes the accident such as take place fastener shift damage, wire fatigue strand breakage even wire disconnection, fracture because of galloping, causes the power failure accident, brings huge direct economic loss. Particularly, when a 'three-span' line is operated and a safety backup wire clamp is required to be additionally arranged after the defect of the strain clamp is detected, the vertical double-split conductor line of the single-phase two insulators does not have hanging points such as DB adjusting plates and construction holes, so that the situation that the backup wire clamp cannot be arranged occurs, the 'double-hanging' protective measures cannot be realized, the safe operation of the line is seriously influenced, and great potential safety hazards exist.
Disclosure of utility model
The utility model aims to provide a single-phase double-sleeve anti-drop device without hanging points for vertical double-split conductors of an overhead transmission line, which can provide hanging points for installing a safe backup wire clamp on the vertical double-split conductor to realize double-connection double-hanging protection.
The single-phase double-sleeve anti-drop device comprises a hanging point plate, two first hanging rings, two wedge-shaped wire clamps and two wire clamps, wherein the wedge-shaped wire clamps are buckled at the front ends of the corresponding wire clamps, the wedge-shaped wire clamps are respectively provided with a single-connection hanging plate, and one end of the single-connection hanging plate, which is relatively far away from the wedge-shaped wire clamps, is respectively connected with the hanging point plate through the corresponding first hanging rings.
As another optimization scheme of the single-phase double-sleeve anti-drop device for the vertical double-split conductor of the overhead transmission line, the hanging point plate comprises two double-horizontal hanging plates, the head ends and the tail ends of the two double-horizontal hanging plates are fixed through central bolts and are arranged in a V shape, V-shaped included angles between the two double-horizontal hanging plates are arranged in the direction opposite to the direction of the first hanging rings, and the two first hanging rings are respectively fixed on the double-horizontal hanging plates on the corresponding sides.
As another optimization scheme of the overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device without hanging points, the periphery of the double-horizontal hanging plate is coated with external insulation wear-resistant paint.
As another optimization scheme of the overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device without hanging points, any double-horizontal hanging plate consists of two parallel flat plates, and the head ends of the two flat plates and the tail ends of the other two flat plates are staggered and overlapped and fixed through a central bolt.
As another optimization scheme of the overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device without hanging points, a plurality of hanging holes are formed in two mutually parallel flat plates along the length direction of the flat plates, and the two first hanging rings are respectively connected with the corresponding side hanging holes.
As another optimization scheme of the overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device without hanging points, hanging lugs are symmetrically arranged on any wedge-shaped wire clamp, and each hanging lug is connected with a single-connection hanging plate.
As another optimization scheme of the overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device without hanging points, two single-connection hanging plates on any one wedge-shaped wire clamp are aligned at one end part far away from the lifting lug, and all the two single-connection hanging plates are provided with connecting holes.
As another optimization scheme of the overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device without hanging points, two first hanging rings are respectively connected with corresponding single-link hanging plates through extension pull rods.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the wire clamp is respectively arranged on two double split wires, the wedge-shaped wire clamp is clamped at the front end of the wire clamp, the wedge-shaped wire clamp is connected with the hanging point plate through the single-connection hanging plate arranged on the wedge-shaped wire clamp, and two ends of the hanging point plate can be respectively fixed on the hanging rings at the corresponding sides through bolts, so that the double-connection double-hanging safety backup wire clamp is additionally arranged between the vertical double split wire lines of two single-phase two insulators, the possibility of wire disconnection accidents is prevented, and the safety of the power transmission line is improved.
2. In the preferred embodiment of the utility model, the hanging point plate is formed by connecting two double horizontal hanging plates with the head and tail ends fixed through the central bolt, the two double horizontal hanging plates are arranged in a V shape, and a certain included angle is formed between the two double horizontal hanging plates arranged in the V shape, so that the stress damage of transverse shearing force to the parallel hanging plates can be prevented. In addition, each double-horizontal hanging plate is composed of two mutually parallel flat plates, and the transverse shearing force can be further prevented from damaging the shearing stress of the double-horizontal hanging plate.
3. In the preferred embodiment of the utility model, the outer circumferences of the two double-horizontal hanging plates are coated with external insulating paint, so that the current resistance performance is improved, and the mechanical strength, wear resistance and insulating performance of the double-horizontal hanging plates are enhanced.
Drawings
Fig. 1 is a schematic diagram of the main structure of the present utility model.
Reference numerals: 1, hanging point plate, 101, hanging hole, 102, mounting bolt, 103, central bolt, 104, double horizontal hanging plate, 2, first hanging ring, 3, extension pull rod, 4, single hanging plate, 5, wedge-shaped wire clamp, 6, wire clamp, 7, wire, 8, strain clamp, 9, steel anchor, 10, second hanging ring, 11, insulator string, 12, big triangle yoke plate.
Detailed Description
The technical solution of the present utility model will be further described in detail with reference to specific embodiments, and the portions of the present utility model, which are not described in detail in the following embodiments, such as the fixing wire of the wire clamping device, the clamping of the wedge wire clamp at the front end of the wire clamping device, etc., should be immediately known to those skilled in the art, or should be known in the prior art.
A single-phase double-sleeve anti-drop device without hanging points for vertical double-split conductors of an overhead transmission line is shown in fig. 1, and comprises a hanging point plate 1, two first hanging rings 2, two wedge-shaped wire clamps 5 and two conductor clamps 6. The two wire clamps 6 are respectively used for fixing the double split wires 7 at the corresponding sides, and the front end of each wire clamp 6 is respectively buckled with one wedge-shaped wire clamp 5. The two wedge-shaped wire clamps 5 are respectively provided with a single-link hanging plate 4, and the single-link hanging plates 4 are respectively connected with the hanging point plate 1 through one of the first hanging rings 2.
The hanging point plate 1 is arranged between two double split wires 7, and the double split wires 7 are respectively formed by sequentially connected insulator strings 11, second hanging rings 10, steel anchors 9, strain clamps 8 and wires 7 which are fixed on a large triangle yoke plate 12 at intervals. The two ends of the hanging point plate 1 are respectively fixed on the second hanging rings 10 connected with the strain clamps 8 on the corresponding sides through bolts, and the hanging point plate 1 is fixed on the second hanging rings 10 on the corresponding sides to change the transverse friction force into vertical tangential friction force, so that abrasion and transverse friction between the hanging point plate 1 and hardware strings connected by the second hanging rings 10, the steel anchors 9 and the strain clamps 8 on the double split conductors 7 can be reduced.
The hanging point plate 1 comprises two double-horizontal hanging plates 104, the two double-horizontal hanging plates 104 are fixedly connected through a central bolt 103, the two double-horizontal hanging plates 104 fixed through the central bolt 103 are arranged in a V shape, and included angles of the V shapes are distributed towards the insulator string 11. The arrangement of the two double horizontal hanging plates 104 in a V-shaped angle can prevent the stress damage of the double horizontal hanging plates 104 caused by transverse shearing force.
Each double horizontal hanging plate 104 consists of two parallel flat plates, and each double horizontal hanging plate 104 is provided with a plurality of hanging holes 101, and the hanging holes 101 on the corresponding two flat plates are in one-to-one correspondence respectively. The head ends of two flat plates corresponding to one of the double horizontal hanging plates 104 are clamped on the upper side and the lower side of the corresponding second hanging ring 10, and are penetrated into the aligned hanging holes 101 on the head ends of the two flat plates through bolts to realize connection and fixation with the corresponding second hanging ring 10. The tail ends of two flat plates corresponding to the other double horizontal hanging plate 104 are clipped on the upper side and the lower side of the corresponding second hanging ring 10, and then are penetrated through the aligned hanging holes 101 on the tail ends of the two flat plates by bolts to realize the connection and fixation with the corresponding second hanging ring 10.
In addition, the tail ends of two flat plates on one of the double-horizontal hanging plates 104 are staggered and overlapped with the head ends of two flat plates on the other double-horizontal hanging plate 104, hanging holes 101 on the head ends and the tail ends of the staggered and overlapped two double-horizontal hanging plates 104 are aligned, connection and fixation of the two double-horizontal hanging plates 104 are realized by penetrating the aligned hanging holes 101 through central bolts 103 between the head ends and the tail ends of the two double-horizontal hanging plates 104, and the staggered and overlapped arrangement between the head ends and the tail ends of the two double-horizontal hanging plates 104 can avoid the damage of the shearing stress of the hanging point plate 1.
Mounting bolts 102 are respectively arranged between the aligned hanging holes 101 in the middle of the two double horizontal hanging plates 104 in a penetrating way, and the two first hanging rings 2 are respectively arranged on the corresponding side mounting bolts 102. The first hanging rings 2 are respectively connected with the single-connection hanging plates 4 on the corresponding side wedge-shaped wire clamps 5 through the extension pull rods 3, the first hanging rings 2 are U-shaped, and fixing holes are formed in two ends of the opening of the U-shaped first hanging rings 2. The left end and the right end of the extension pull rod 3 are respectively provided with a fixed ring, the fixed rings of the extension pull rod 3 facing the left end of the first hanging ring 2 are arranged between and aligned with the two fixed holes, and the first hanging ring 2 is fixedly connected with the corresponding extension pull rod 3 through the fixed bolts penetrating through the aligned fixed rings and the fixed holes. The single-link hanging plate 4 with the adjustable elevation angle at the other end is connected with the hanging lug of the wedge-shaped wire clamp 5.
The two wedge-shaped wire clamps 5 are symmetrically provided with hanging lugs, each hanging lug is connected with a single-connection hanging plate 4, one ends, connected with the corresponding wedge-shaped wire clamps 5, of the two single-connection hanging plates 4 are provided with hanging lug holes for the hanging lugs to penetrate through, and the angle of elevation angle of the two single-connection hanging plates 4 can be adjusted according to installation requirements through hanging lug connection between the two single-connection hanging plates and the corresponding wedge-shaped wire clamps 5.
The other ends of the two single-link hanging plates 4 are connected with one end, far away from the first hanging ring 2, of the extension pulling rod 3, connecting holes are respectively formed in one end, connected with the extension pulling rod 3, of the two single-link hanging plates 4, a fixed ring at the right end of the extension pulling rod 3 is positioned between the two connecting holes at the corresponding side, and the fixed connection is realized between the extension pulling rod 3 and the corresponding two single-link hanging plates 4 through connecting bolts penetrating through the connecting holes aligned with the fixed ring.
In addition, the outer peripheries of the two double-horizontal hanging plates 104 are coated with an external insulation wear-resistant coating, the external insulation wear-resistant coating is a wear-resistant super-hydrophobic nano coating, the coating has extremely low surface activity and excellent hydrophobic, oleophobic and pollution discharge characteristics, the current tolerance performance of the double-horizontal hanging plates 104 is remarkably improved, the coating on the double-horizontal hanging plates 104 provides strong mechanical strength for the surfaces of the double-horizontal hanging plates 104, the wear-resistant effect of the double-horizontal hanging plates 104 is remarkably improved, the insulation performance is further improved, and a new way is opened up for the purposes of the double-horizontal hanging plates 104.
The installation and use steps of the utility model are that firstly, the effective installation length of the whole device is measured under a tower, the wire clamp 6 is installed on the wire 7 according to the measured effective installation length, the bolt on the wire clamp 6 is tightened but not locked, then the wedge-shaped wire clamp 5 is clamped at the front end of the wire clamp 6, and after the installation is completed, the wedge-shaped wire clamp 5 and the wire clamp 6 slide backwards along the wire clamp 6 until the wedge-shaped wire clamp 5 and the wire clamp 6 are pre-tightened. Secondly, the head ends and the tail ends of the two V-shaped double horizontal hanging plates 104 are connected through the central bolts 103, and then the connected double horizontal hanging plates 104 with V-shaped included angles distributed towards the insulator string 11 are respectively arranged on the second hanging rings 10 on the two sides through bolts. The two first hanging rings 2 are respectively arranged on the mounting bolts 102 on the corresponding side double horizontal hanging plates 104, the two first hanging rings 2 pass through the mounting bolts 102 and are respectively and fixedly connected with one extension pull rod 3, and the other ends of the two extension pull rods 3 are respectively and fixedly connected with the two single hanging plates 4 of which the corresponding side hanging lugs are arranged on the wedge-shaped wire clamps 5. Then, the connected wire clamp 6 and the wedge clamp 5 are slid in a direction away from the insulator string 11 until the fitting string has a certain tension.
Claims (8)
1. The single-phase double-sleeve anti-drop device for the vertical double-split conductor of the overhead transmission line is characterized by comprising a hanging point plate (1), two first hanging rings (2), two wedge-shaped wire clamps (5) and two wire clamps (6), wherein the wedge-shaped wire clamps (5) are clamped at the front ends of the corresponding wire clamps (6), the wedge-shaped wire clamps (5) are respectively provided with a single-connection hanging plate (4), and one ends, far away from the wedge-shaped wire clamps (5), of the single-connection hanging plates (4) are respectively connected with the hanging point plate (1) through the corresponding first hanging rings (2).
2. The single-phase double-sleeve anti-drop device for the vertical double-split conductor of the overhead transmission line, which is disclosed in claim 1, is characterized in that the hanging point plate (1) comprises two double-horizontal hanging plates (104), the head ends and the tail ends of the two double-horizontal hanging plates (104) are fixed through a central bolt (103) and are arranged in a V shape, the V-shaped included angle between the two double-horizontal hanging plates (104) is arranged in a direction opposite to the direction of the first hanging rings (2), and the two first hanging rings (2) are respectively fixed on the double-horizontal hanging plates (104) on the corresponding sides.
3. The overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device is characterized in that the periphery of a double-horizontal hanging plate (104) is coated with external insulation wear-resistant paint.
4. The overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device is characterized in that any double-horizontal hanging plate (104) is composed of two parallel flat plates, and the head ends of the two flat plates and the tail ends of the other two flat plates are staggered and overlapped and fixed through a central bolt (103).
5. The overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device is characterized in that a plurality of hanging holes (101) are formed in two mutually parallel flat plates along the length direction of the flat plates, and the two first hanging rings (2) are respectively connected with the corresponding side hanging holes (101).
6. The overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device is characterized in that hanging lugs are symmetrically arranged on any wedge-shaped wire clamp (5), and each hanging lug is connected with a single-connection hanging plate (4).
7. The overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device is characterized in that one end part, far away from a lifting lug, of each of two single-link hanging plates (4) on any one wedge-shaped wire clamp (5) is aligned and provided with a connecting hole.
8. The overhead transmission line vertical double-split conductor single-phase double-sleeve anti-drop device is characterized in that two first hanging rings (2) are connected with corresponding single-link hanging plates (4) through extension pull rods (3) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422084678.4U CN222981209U (en) | 2024-08-27 | 2024-08-27 | Vertical double-split conductor without hanging point single-phase double-set anti-dropping device for overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422084678.4U CN222981209U (en) | 2024-08-27 | 2024-08-27 | Vertical double-split conductor without hanging point single-phase double-set anti-dropping device for overhead transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN222981209U true CN222981209U (en) | 2025-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422084678.4U Active CN222981209U (en) | 2024-08-27 | 2024-08-27 | Vertical double-split conductor without hanging point single-phase double-set anti-dropping device for overhead transmission line |
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| Country | Link |
|---|---|
| CN (1) | CN222981209U (en) |
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- 2024-08-27 CN CN202422084678.4U patent/CN222981209U/en active Active
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