CN210970745U - Insulating carrier cable seat - Google Patents
Insulating carrier cable seat Download PDFInfo
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- CN210970745U CN210970745U CN201921753749.8U CN201921753749U CN210970745U CN 210970745 U CN210970745 U CN 210970745U CN 201921753749 U CN201921753749 U CN 201921753749U CN 210970745 U CN210970745 U CN 210970745U
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Abstract
An insulated carrier cable seat comprises a fixed seat, an insulated support, a rotating seat and a wire supporting clamp; the fixing seat is fixed on the flat cantilever through an arc-shaped groove and a U-shaped bolt pair which are formed in the lower end face of the fixing seat, the lower end of the insulating support is fixed at the upper end of the fixing seat, a rotary seat is fixed at the upper end of the insulating support, and the wire supporting clamp is horizontally hinged to the rotary seat. The utility model discloses possess electrical insulation simultaneously and support the effect of fixed carrier cable, simplified cantilever device structure, dwindle the electrified scope of cantilever device, reduce the risk of electric shock.
Description
Technical Field
The utility model belongs to urban rail transit flexible suspension contact net erects equipment, concretely relates to insulating messenger wire seat.
Background
The messenger wire seat is one of key parts in the flexible suspension contact net system of urban rail transit, is the component part of cantilever device, generally installs on flat cantilever for support fixed messenger wire. At present, in urban rail transit direct current 1500V and 750V power supply systems in China, a cantilever device in a flexible suspension contact network mainly adopts a steel triangular cantilever structure, insulators are arranged at the end parts of a flat cantilever and an inclined cantilever close to a support side, the live range is large, and the risk of electric shock in an area with large population density is large.
Disclosure of Invention
The utility model provides an insulating bearing cable seat to simplify cantilever device structure, reduce the electrified scope of cantilever device, reduce the risk of electric shock.
The utility model adopts the technical proposal that: an insulated messenger wire seat, characterized in that: the wire supporting device is composed of a fixed seat, an insulating support, a rotating seat and a wire supporting clamp; the fixing seat is fixed on the flat cantilever through an arc-shaped groove and a U-shaped bolt pair which are formed in the lower end face of the fixing seat, the lower end of the insulating support is fixed at the upper end of the fixing seat, a rotary seat is fixed at the upper end of the insulating support, and the wire supporting clamp is horizontally hinged to the rotary seat.
The upper end of the rotating seat is necked down to form a fixed shaft and an annular shoulder around the fixed shaft, and the top surface of the fixed shaft is provided with an internal thread hole; the wire supporting clamp is sleeved on the fixed shaft through a through hole in the center of the wire supporting clamp, the lower end face of the wire supporting clamp is arranged on the annular circular bead, the wire supporting clamp penetrates through the through hole through the connecting bolt and then is in threaded connection with the internal thread hole, the wire supporting clamp is arranged at the upper end of the rotating seat, and the wire supporting clamp can rotate around the fixed shaft and the connecting bolt.
The wire supporting clamp is composed of a clamp body and a pressing block, two wire supporting grooves are symmetrically arranged on the upper end face of the clamp body, a cylinder extends downwards from the center of the lower end face, the upper part of the through hole is a small hole, the lower part of the through hole is a large hole, and the large hole is positioned in the cylinder; the pressing blocks are symmetrically arranged on two sides of the through hole, two wire pressing grooves are symmetrically formed in the lower end face of the pressing blocks, and the pressing blocks are fixedly connected with the wire clamp body through fixing bolts to fix the carrier cable in the wire supporting grooves and the wire pressing grooves.
The upper end of the fixed seat is provided with a first counter bore, and the lower end face of the rotating seat is provided with a second counter bore; the insulating support consists of an insulating rod and an insulating umbrella skirt compounded at the waist part of the insulating rod; and two ends of the insulating rod are respectively pressed in the first counter bore and the second counter bore.
And the part of the carrier cable in the wire supporting groove is coated with a lining.
And the contact surface between the U-shaped bolt of the U-shaped bolt pair and the lower part of the flat cantilever is an arc-shaped plane.
The bush is a C-shaped copper-aluminum composite bush, the copper layer is located on the inner side face and is tightly attached to the carrier cable, and the aluminum layer is located on the outer side face and is tightly attached to the supporting wire.
Compared with the prior art, the utility model discloses beneficial effect who has:
1. the utility model discloses set up the insulator between fixing base and roating seat, effectively prevented the electric current from carrier cable flow direction cantilever device, compared with traditional direct current 1500V, the flexible suspension of 750V, reduced cantilever device insulating part quantity, dwindled the live-line range of cantilever device, reduced the risk of electric shock, the security performance is higher.
2. The utility model discloses possess electrical insulation simultaneously and support the effect of fixed carrier cable, simplified the structural component of cantilever device, not only the cost is reduced, it is more convenient to install and use moreover.
3. The utility model discloses the U bolt adopts middle part flat structural design, compares with traditional U bolt, has increased with the area of contact of flat cantilever, has improved the slip loading performance, and anti-skidding performance is good.
4. The utility model discloses an aluminum alloy material, corrosion resistance is high, and application range is wide, and is little to environmental hazard.
5. The utility model discloses cladding copper aluminium composite bush on the messenger wire clip position effectively prevents to appear the electric potential corrosion between carrier clamp and the messenger wire, has prolonged the life of messenger wire.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
FIG. 3 is a schematic structural view of the wire supporting clip body of the present invention;
FIG. 4 is a schematic view of the structure of the wire holding clamp pressing block of the present invention;
FIG. 5 is a schematic view of the structure of the connecting bolt of the present invention;
FIG. 6 is a view of the U-shaped bolt structure of the present invention;
FIG. 7 is a schematic structural view of the present invention without the wire supporting clip;
fig. 8 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The invention is described in detail below with reference to the accompanying figures 1-8 and the detailed description.
An insulated carrier cable seat comprises a fixed seat 1, an insulated support 2, a rotary seat 3 and a wire supporting clamp 4; the fixing seat 1 is fixed on the flat cantilever 5 through an arc-shaped groove 1-1 and a U-shaped bolt pair 6 which are formed in the lower end face of the fixing seat 1, the lower end of the insulating support 2 is fixed at the upper end of the fixing seat 1, a rotary seat 3 is fixed at the upper end of the insulating support 2, and the wire supporting clamp 4 is horizontally hinged on the rotary seat 3.
An annular shoulder 3-2 around the fixed shaft 3-2 and a fixed shaft 3-2 are formed after the upper end of the rotating seat 3 is necked down, and the top surface of the fixed shaft 3-2 is provided with an internal thread hole 3-4; the wire supporting clamp 4 is sleeved on the fixed shaft 3-2 through a through hole 4-1 in the center of the wire supporting clamp, the lower end face of the wire supporting clamp is seated on the annular shoulder 3-3, the wire supporting clamp 4 is in threaded connection with the internal threaded hole 3-4 after penetrating through the through hole 4-1 through the connecting bolt 10, the wire supporting clamp 4 is installed at the upper end of the rotating seat 3, and the wire supporting clamp 4 can rotate around the fixed shaft 3-2 and the connecting bolt 10.
The wire supporting clamp 4 consists of a clamp body 4-2 and a pressing block 4-3, two wire supporting grooves 4-2-1 are symmetrically arranged on the upper end face of the clamp body 4-2, a cylinder 4-2-2 extends downwards from the center of the lower end face, the upper part of the through hole 4-1 is a small hole, the lower part of the through hole is a large hole, and the large hole is positioned in the cylinder 4-2-2; the pressing blocks 4-3 are symmetrically arranged on two sides of the through hole 4-1, two wire pressing grooves 4-3-1 are symmetrically arranged on the lower end face of the pressing blocks, and the pressing blocks 4-3 penetrate through the through hole 4-3-2 in the center of the pressing blocks through fixing bolts 9 to be fixedly connected with the internal thread holes 4-2-3 on the wire clamp body 4-2, so that the carrier cable 7 is fixed in the wire supporting grooves 4-2-1 and the wire pressing grooves 4-3-1.
The upper end of the fixed seat 1 is provided with a first counter bore 1-2, and the lower end face of the rotating seat 3 is provided with a second counter bore 3-1; the insulating support 2 consists of an insulating rod 2-2 and an insulating umbrella skirt 2-1 compounded at the waist of the insulating rod 2-2; two ends of the insulating rod 2-2 are respectively pressed in the first counter bore 1-2 and the second counter bore 3-1.
The part of the carrier cable 7, which is positioned in the wire supporting groove 4-2-1, is coated with a lining 8, and the lining 8 is a C-shaped lining, so that the installation is convenient.
The contact surface of the U-shaped bolt 6-1 of the U-shaped bolt pair 6 and the lower part of the flat cantilever 5 is an arc-shaped plane 6-2, so that the contact area is increased, and the anti-skid performance is improved.
In one embodiment, the fixing base 1, the rotating base 3 and the wire supporting clip 4 are made of aluminum alloy materials, and compared with hot-dip galvanized parts, the hot-dip galvanized parts are strong in corrosion resistance and environment-friendly, and grooves 1-3 are symmetrically formed in two sides of the waist of the fixing base 1, so that the weight is reduced. The wire supporting groove 4-2-1 and the wire pressing groove 4-3-1 are both arc-shaped grooves. The bush 8 is a copper-aluminum composite bush, is pressed into a U shape by a copper-aluminum composite plate and then is coated on the carrier cable 7, and is deformed into a C-shaped bush after being surrounded by the arc-shaped wire supporting groove and the arc-shaped wire pressing groove, the copper layer is positioned on the inner side surface and is tightly attached to the carrier cable 7, the aluminum layer is positioned on the outer side surface and is tightly attached to the wire supporting clamp 4, the potential corrosion between the wire supporting clamp and the carrier cable seat is effectively prevented, the service life of the carrier cable is prolonged, the contact area between the pressing block and the carrier cable 7 is increased, and the clamping of the carrier cable 7 is more reliable.
Firstly, installing a wire supporting clamp 4 on a rotating seat 3 through a connecting bolt 10, wherein a small gap is reserved between a bolt head 10-1 and an upper cylinder 10-2 of the connecting bolt 10 and the wire supporting clamp 4 after the connecting bolt 10 is screwed down, so that the wire supporting clamp 4 can rotate around the upper cylinder of the connecting bolt 10 and the rotating seat 3; then the fixed seat 1 is fixed at the specified position of the flat wrist arm 7 through the U-bolt pair 6 and is ensured to be in a vertical state; the installation position of the carrier cable 1 is wrapped with a bushing 8, the carrier cable 7 is arranged in a wire supporting groove 4-2-1 of the wire supporting clamp 4, when the carrier cable 7 is single, a carrier cable wire is arranged in the other wire supporting groove 4-2-1, a pressing block 4-3 is arranged, and meanwhile, the carrier cable 7 is ensured to be positioned in the wire pressing groove 4-3-1, and the installation is finished.
The above-mentioned embodiments are only preferred embodiments of the invention, and are not intended to limit the scope of the invention, so that equivalent changes made by the claims of the invention should be included in the claims of the invention.
Claims (7)
1. An insulated messenger wire seat, characterized in that: the device is composed of a fixed seat (1), an insulating support (2), a rotating seat (3) and a wire supporting clamp (4); the fixing seat (1) is fixed on the flat cantilever (5) through an arc-shaped groove (1-1) and a U-shaped bolt pair (6) which are formed in the lower end face of the fixing seat (1), the lower end of the insulating support (2) is fixed at the upper end of the fixing seat (1), a rotary seat (3) is fixed at the upper end of the insulating support (2), and the wire supporting clamp (4) is horizontally hinged to the rotary seat (3).
2. The insulated messenger wire mount of claim 1 wherein: the upper end of the rotating seat (3) is necked down to form a fixed shaft (3-2) and an annular shoulder (3-3) around the fixed shaft (3-2), and the top surface of the fixed shaft (3-2) is provided with an internal threaded hole (3-4); the wire supporting clamp (4) is sleeved on the fixed shaft (3-2) through a through hole (4-1) formed in the center of the wire supporting clamp, the lower end face of the wire supporting clamp is seated on the annular shoulder (3-3), the wire supporting clamp is in threaded connection with the internal threaded hole (3-4) after penetrating through the through hole (4-1) through the connecting bolt (10), the wire supporting clamp (4) is installed at the upper end of the rotating seat (3), and the wire supporting clamp (4) can rotate around the fixed shaft (3-2) and the connecting bolt (10).
3. An insulated messenger seat according to claim 2 characterised in that: the wire supporting clamp (4) is composed of a clamp body (4-2) and a pressing block (4-3), two wire supporting grooves (4-2-1) are symmetrically arranged on the upper end face of the clamp body (4-2), a cylinder (4-2-2) extends downwards from the center of the lower end face, the upper part of the through hole (4-1) is a small hole, the lower part of the through hole is a large hole, and the large hole is positioned in the cylinder (4-2-2); the pressing blocks (4-3) are symmetrically arranged on two sides of the through hole (4-1), two wire pressing grooves (4-3-1) are symmetrically formed in the lower end face of the pressing blocks, and the pressing blocks (4-3) are fixedly connected with the wire clamp body (4-2) through fixing bolts (9) to fix the carrier cable (7) in the wire supporting grooves (4-2-1) and the wire pressing grooves (4-3-1).
4. An insulated messenger seat according to claim 1 or 2 or 3 characterised in that: the upper end of the fixed seat (1) is provided with a first counter bore (1-2), and the lower end face of the rotating seat (3) is provided with a second counter bore (3-1); the insulating support (2) is composed of an insulating rod (2-2) and an insulating umbrella skirt (2-1) compounded at the waist of the insulating rod (2-2); two ends of the insulating rod (2-2) are respectively pressed in the first counter bore (1-2) and the second counter bore (3-1).
5. The insulated messenger wire mount of claim 4 wherein: the part of the carrier cable (7) in the wire supporting groove (4-2-1) is coated with a lining (8).
6. The insulated messenger wire mount of claim 5 wherein: the contact surface of the U-shaped bolt (6-1) of the U-shaped bolt pair (6) and the lower part of the flat cantilever (5) is an arc-shaped plane (6-2).
7. An insulated messenger seat according to claim 6 wherein: the bushing (8) is a C-shaped copper-aluminum composite bushing, the copper layer is located on the inner side and is tightly attached to the carrier cable (7), and the aluminum layer is located on the outer side and is tightly attached to the wire supporting clamp (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753749.8U CN210970745U (en) | 2019-10-18 | 2019-10-18 | Insulating carrier cable seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921753749.8U CN210970745U (en) | 2019-10-18 | 2019-10-18 | Insulating carrier cable seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210970745U true CN210970745U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921753749.8U Active CN210970745U (en) | 2019-10-18 | 2019-10-18 | Insulating carrier cable seat |
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| CN (1) | CN210970745U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588444A (en) * | 2019-10-18 | 2019-12-20 | 宝鸡保德利电气设备有限责任公司 | Insulating carrier cable seat |
-
2019
- 2019-10-18 CN CN201921753749.8U patent/CN210970745U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588444A (en) * | 2019-10-18 | 2019-12-20 | 宝鸡保德利电气设备有限责任公司 | Insulating carrier cable seat |
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