CN217036695U

CN217036695U - Transmission equipment for converting overhead line into cable line

Info

Publication number: CN217036695U
Application number: CN202220495302.0U
Authority: CN
Inventors: 侯磊; 李龙; 李雪飞
Original assignee: Shenyang Haorui Power Engineering Design Co ltd
Current assignee: Shenyang Haorui Power Engineering Design Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-22
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of power engineering, in particular to a power transmission device for converting an overhead line into a cable line, which comprises a telegraph pole, a bracket and a junction box, wherein the telegraph pole is connected with the bracket through a cable; the fixed cover of wire pole has connect the pole cover, and the fixed pipe box that is equipped with in below that just is located the support on the pole cover, pipe box fixedly connected with and cable circuit cup joint mutually guide pillar, and guide pillar is vertical arranging, and the ladder mouth has been seted up to the top inner wall of guide pillar, is equipped with the sealing washer that connects mutually with cable circuit expanding in the ladder mouth, and the top screw thread that just is located the sealing washer on the outer wall of guide pillar is connected with the gland, and the through-hole that allows the cable circuit to be vertical to pass through is seted up to the gland. The utility model guides the cable line into the cable trench through the guide protection tube, protects the cable line, prevents the cable line from being damaged, has good ant-proof and fireproof effects, seals the gap between the cable line and the stepped opening through the sealing ring, and prevents foreign matters such as moisture or dust from entering the guide protection tube.

Description

Transmission equipment for converting overhead line into cable line

Technical Field

The utility model relates to the technical field of power engineering, in particular to power transmission equipment for converting an overhead line into a cable line.

Background

Along with the development of economy, the electricity consumption of people in daily life and production and operation is greatly increased, and the increased electricity consumption improves the life quality of people on one hand and increases the power transmission pressure on the other hand. At present, power grid enterprises for meeting the power demand of people for production, living and management accelerate the pace of building a power grid, but because the existing 110kV overhead transmission line cannot adapt to the development and planning of a city, the cable line of the 110kV overhead transmission line needs to be migrated and transformed into an underground cable line, so that the problem of short plates of the transmission line is solved.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a power transmission apparatus for converting an overhead line into a cable line, so as to solve the problems in the background art described above.

In order to achieve the purpose, the utility model provides the following technical scheme: a power transmission device for converting an overhead line into a cable line comprises a telegraph pole provided with the overhead line, a support fixedly arranged on the telegraph pole, and a junction box fixedly arranged on the support and connected with the overhead line and the cable line; the fixed rod cover that has cup jointed of wire pole, the fixed pipe box that is equipped with in below that just is located the support on the rod cover, the guide pillar that pipe box fixedly connected with cup jointed mutually with cable run, guide pillar are vertical arranging, the ladder mouth has been seted up to the top inner wall of guide pillar, be equipped with the sealing washer that connects with cable run distending mutually in the ladder mouth, the top screw thread that just is located the sealing washer on the top outer wall of guide pillar is connected with the gland, the through-hole that allows the vertical passage of cable run is seted up to the gland.

Optionally, the outer wall of the sealing ring is bundled with a stainless steel wire, and the surface of the sealing ring is coated with a weather-resistant fireproof coating.

Optionally, an annular fold is integrally formed on the inner wall of the sealing ring, and the forward longitudinal section of the annular fold is semicircular.

Optionally, the bottom integrated into one piece of guide pillar has the flange base, the flange base internal fixation is equipped with the spacing ring that cup joints mutually with cable run, the coating has sealed glue between the inner wall of spacing ring and cable run's the outer wall.

Optionally, the rod sleeve is fixedly connected with the telegraph pole through a bolt, the pipe sleeve is fixedly connected with the rod sleeve through a screw, and the pipe sleeves are arranged on the guide protection pipe at equal intervals.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the cable line is guided into the cable trench through the guide protection pipe, and is protected, so that the cable line is prevented from being damaged, and the termite-proof and fireproof effects are good;

2. according to the utility model, the cable line is fixed through the sealing ring, a fulcrum is provided for the cable line to enter the guide protection pipe, and the gap between the cable line and the stepped opening is sealed through the sealing ring, so that foreign matters such as moisture or dust are prevented from entering the guide protection pipe, and the service life of the cable line is prolonged;

3. the utility model provides a fulcrum for leading out a cable line from the guide protective pipe through the limiting ring and the sealant, and simultaneously realizes the bottom water prevention of the guide protective pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the part A in FIG. 1;

fig. 3 is an enlarged schematic view of a part B in fig. 1.

In the figure: 1. a utility pole; 2. a support; 3. a junction box; 4. a rod sleeve; 5. pipe sleeve; 6. a guide protection pipe; 7. a step opening; 8. a seal ring; 9. a gland; 10. a through hole; 11. annular wrinkles; 12. stainless steel wire; 13. a flange base; 14. a limiting ring; 15. sealing glue; 16. an overhead line; 17. a cable line.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): referring to fig. 1 to 3, the present invention provides a power transmission apparatus for converting an overhead line into a cable line, including a utility pole 1 on which an overhead line 16 is installed, a bracket 2 fixed to the utility pole 1 by bolts, and a junction box 3 fixed to the bracket 2 by bolts and connecting the overhead line 16 and the cable line 17. The connection box 3 is a conventional connection terminal box, and a connection terminal electrically connected with the overhead line 16 and the cable line 17 is arranged in the connection box 3. The telegraph pole 1 is fixedly sleeved with a pole sleeve 4, a pole sleeve 5 is fixedly arranged on the pole sleeve 4 and below the support 2, the pole sleeve 5 is fixedly connected with a guide protection pipe 6 which is sleeved with a cable line 17, the pole sleeve 4 is fixedly connected with the telegraph pole 1 through a bolt, the pole sleeve 5 is fixedly connected with the pole sleeve 4 through a screw, and the pole sleeves 5 are arranged on the guide protection pipe 6 at equal intervals.

The guide pillar 6 is vertical arranging, and the guide pillar 6 is used for leading cable conductor 17 to get into the cable pit to protect cable conductor 17, prevent that cable conductor 17 from receiving the damage, prevent that the ant fire prevention is effectual. Ladder mouth 7 has been seted up to the top inner wall of guide pillar 6, is equipped with the sealing washer 8 that connects with cable run 17 looks expanding in ladder mouth 7, and the top screw thread that just is located sealing washer 8 on the top outer wall of guide pillar 6 is connected with gland 9, and gland 9 sets up the through-hole 10 that allows the vertical passage of cable run 17. This embodiment passes through 8 fixed cable conductor of sealing washer 17, for cable conductor 17 gets into guide pillar 6 and provides the fulcrum to seal the clearance of cable conductor 17 and notch 7 through sealing washer 8, avoid foreign matter such as moisture or dust to get into in the guide pillar 6, improve cable conductor 17 life.

On the basis of the above embodiments, in the present embodiment, the stainless steel wire 12 is bundled on the outer wall of the sealing ring 8, and the strip-shaped adhesive tape of the sealing ring 8 is surrounded by the stainless steel wire 12 to form a ring-shaped structure. The surface of the sealing ring 8 is coated with a weather-resistant fireproof coating which is weather-resistant acrylic resin fireproof paint. Annular fold 11 has been formed to the inner wall integrated into one piece of sealing washer 8, and annular fold 11's forward longitudinal section semicircular in shape forms the multi-lip seal structure between annular fold 11 and the cable run 17 for the leakproofness is good between sealing washer 8 and the cable run 17.

On the basis of the above embodiments, in this embodiment, the bottom end of the guiding protection tube 6 is integrally formed with a flange base 13, a limiting ring 14 sleeved with a cable line 17 is fixedly arranged in the flange base 13, and a sealant 15 is coated between the inner wall of the limiting ring and the outer wall of the cable line 17. The flange base 13 is installed on the ground through bolts, the limiting ring 14 and the sealant 15 provide a fulcrum for leading out the cable line 17 from the guide protective pipe 6, and meanwhile, the bottom of the guide protective pipe 6 is waterproof.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an overhead line converts transmission of electricity equipment of cable run into which characterized in that: the wire pole comprises a wire pole (1) provided with an overhead line (16), a support (2) fixedly arranged on the wire pole (1), and a junction box (3) fixedly arranged on the support (2) and connected with the overhead line (16) and a cable line (17); wire pole (1) is fixed to have cup jointed rod cover (4), the fixed pipe box (5) that is equipped with in below that just is located support (2) on rod cover (4), pipe box (5) fixedly connected with and guide pillar (6) that cable line (17) cup jointed mutually, guide pillar (6) are vertical arranging, ladder mouth (7) have been seted up to the top inner wall of guide pillar (6), be equipped with in ladder mouth (7) and expand sealing washer (8) that connect mutually with cable line (17), the top screw thread that just is located sealing washer (8) on the top outer wall of guide pillar (6) is connected with gland (9), gland (9) are seted up and are allowed vertical through-hole (10) that pass through of cable line (17).

2. The power transmission apparatus for converting an overhead line into a cable line according to claim 1, wherein: the outer wall of the sealing ring (8) is tied up with a stainless steel wire (12), and the surface of the sealing ring (8) is coated with a weather-proof fireproof coating.

3. The power transmission apparatus for converting an overhead line into a cable line according to claim 1, wherein: the inner wall of the sealing ring (8) is integrally formed with annular folds (11), and the forward longitudinal section of each annular fold (11) is semicircular.

4. The power transmission apparatus for converting an overhead line into a cable line according to claim 1, wherein: the bottom integrated into one piece of guide pillar (6) has flange base (13), flange base (13) internal fixation is equipped with spacing ring (14) that cup joint mutually with cable run (17), the coating has sealed glue (15) between the inner wall of spacing ring and the outer wall of cable run (17).

5. The power transmission apparatus for converting an overhead line into a cable line according to claim 1, wherein: the pole sleeve (4) is fixedly connected with the telegraph pole (1) through a bolt, the pipe sleeve (5) is fixedly connected with the pole sleeve (4) through a screw, and the pipe sleeves (5) are arranged on the guide protection pipe (6) at equal intervals.