CN211579525U - Overhead line for cold region - Google Patents

Abstract

The utility model discloses a cold district overhead line, including the protection main part, the inside both sides of protection main part have all been seted up and have been placed the chamber, it all installs a plurality of wires to place intracavity portion, the protection main part is inside evenly to have seted up a plurality of through-holes between placing the chamber, and is a plurality of the inside top of through-hole evenly is provided with the bracing piece, the equal activity in both sides is provided with first pivot about the bracing piece, equal activity is provided with the second pivot between the bracing piece, first pivot is coaxial with the second pivot, the atress piece is installed in the first pivot outside to protection main part bottom, the flabellum is all installed in first pivot, second pivot outside to the inside bottom of through-hole, protection main part top is all fixed being provided with at a plurality of through-hole tops and is. The utility model discloses a set up of through-hole in the protection main part can increase the area of contact between this overhead line body and the outside air to the heat dissipation efficiency that this overhead line possesses has been improved.

Description

Overhead line for cold region

Technical Field

The utility model belongs to the overhead line field especially relates to an overhead line in cold district.

Background

At present, an overhead line is adopted during long-distance power transmission, and is supported at a certain height by a tower, so that the normal traffic on the ground can not be influenced while high-efficiency long-distance power transmission is realized; a common overhead line adopts a split conductor, and the structure can convey large electric energy and has less electric energy loss.

The existing overhead line can generate more heat in a circuit in a power transmission process, particularly, aging and damage of an external insulating skin of a cable are easy to occur at high temperature in summer, great potential safety hazards exist, and when the overhead line is suitable for a cold area, snow is easily formed on the surface of the overhead line due to the fact that snow falls in the cold area are large, so that the overhead line can be crushed, and paralysis of a power transmission line is caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, the current overhead line that aims at solving the above-mentioned existence can make the circuit produce more heat at the transmission of electricity in-process, and when especially summer high temperature, it is ageing damaged to take place cable external insulation skin very easily, has great potential safety hazard, and when being applicable to cold region, because of the snow volume of cold region is bigger, forms snow on overhead line surface easily to can crush the overhead line, cause transmission line's paralysed problem.

The utility model discloses a realize like this, a cold district overhead line that cools down, including the protection main part, the inside both sides of protection main part have all been seted up and have been placed the chamber, place intracavity portion and all install a plurality of wires, the protection main part is inside evenly to have seted up a plurality of through-holes between placing the chamber, and is a plurality of the inside top of through-hole evenly is provided with the bracing piece, the equal activity in both sides is provided with first pivot about the bracing piece, equal activity is provided with the second pivot between the bracing piece, first pivot is coaxial with the second pivot, the atress piece is installed in the first pivot outside to protection main part bottom, the flabellum is all installed in first pivot, second pivot outside to the inside bottom of through-hole, protection main part top is all fixed being provided with at a plurality of through-.

Preferably, shelter from the mechanism and include sleeve, bleeder vent and shielding plate, protection main part top is all fixed being provided with the sleeve at a plurality of through-hole tops, a plurality of bleeder vents have evenly been seted up on sleeve outside surface, the shielding plate is all fixed being provided with on the sleeve top.

Preferably, the outer surface of the protection main body is fixedly provided with heat conducting fins outside the through holes.

Preferably, the protection main body is made of an insulating material.

Preferably, the plurality of leads are all made of aluminum alloy.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model can increase the contact area between the main body of the overhead line and the outside air by arranging the through hole in the protection main body, thereby improving the heat dissipation effect of the overhead line, because the overhead line is positioned in the air, the wind is often much, especially in some cold areas, at the moment, the wind can rush into the through hole, the flow rate of the air in the through hole can be enhanced, further the arrangement of the through hole can improve the better heat dissipation effect of the overhead line, the temperature of the overhead line in the use process is effectively reduced, in addition, in snowy days, the air flowing through the through hole due to the wind can blow off the accumulated snow on the surface of the overhead line, the condition that the snow collapses the overhead line is effectively avoided, the overhead line has better application effect for some cold areas, and the space at the top end of the through hole can be effectively shielded by arranging the shielding mechanism, avoid some debris to cause to block up in falling into the through-hole and make the through-hole lose the result of use to guaranteed the normal use of this overhead line, set up the conducting strip in the protection main part and have better heat conduction effect.

2. The utility model discloses the conducting strip that sets up in the protection main part has better heat conduction effect, can absorb the heat in the air that flows from the through-hole, thereby make the temperature on overhead line surface can improve, thereby further avoided the accumulational condition on the overhead line of snow in cold region, and add the atress piece of establishing in protection main part bottom through first pivot and can rotate because of wind-force atress rotates and drive first pivot and rotate, can rotate in step with the coaxial second pivot of first pivot, thereby can drive and install the flabellum of installing in the through-hole inside and rotate, the flow direction that can effectively guarantee the inside air of through-hole through the rotation of flabellum is from bottom to top, thereby guaranteed the heat of the air of the conducting strip absorption flow through-hole, the result of use of this overhead line has further been guaranteed.

Drawings

Fig. 1 is a cross-sectional view of an overhead line elevation view of a cold region of the present invention;

fig. 2 is a schematic view of a overhead line in a cold region according to the present invention;

fig. 3 is the utility model discloses an enlarged structure intention of a department in the overhead line chart 1 of cold region.

In the figure: 1. a protective body; 2. a placement chamber; 3. a wire; 4. a through hole; 5. a support bar; 6. a first rotating shaft; 7. a second rotating shaft; 8. a stress sheet; 9. a fan blade; 10. a shielding mechanism; 11. a sleeve; 12. air holes are formed; 13. a shielding plate; 14. a heat conductive sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, an overhead line for cold regions includes a protection body 1, wherein two sides of the protection body 1 are both provided with a placing cavity 2, a plurality of leads 3 are arranged in the placing cavities 2, a plurality of through holes 4 are uniformly arranged between the placing cavities 2 in the protecting main body 1, supporting rods 5 are uniformly arranged at the top ends of the through holes 4, the upper side and the lower side of the support rods 5 are respectively and movably provided with a first rotating shaft 6, a second rotating shaft 7 is respectively and movably arranged between the support rods 5, the first rotating shaft 6 and the second rotating shaft 7 are coaxial, a stress sheet 8 is arranged at the bottom of the protection main body 1 and outside the first rotating shaft 6, the bottom end in the through hole 4 is provided with fan blades 9 at the outer sides of the first rotating shaft 6 and the second rotating shaft 7, the top of the protection main body 1 is fixedly provided with shielding mechanisms 10 at the tops of the through holes 4.

Shelter from mechanism 10 and include sleeve 11, bleeder vent 12 and shielding plate 13, 1 top of protection main part is all fixed being provided with sleeve 11 at a plurality of through-hole 4 tops, a plurality of bleeder vents 12 have evenly been seted up on 11 outside surfaces of sleeve, 11 tops of sleeve are all fixed being provided with shielding plate 13, establish the space that can effectively shelter from through-hole 4 top through sheltering from adding of mechanism 10, avoid some debris to fall into and cause the jam to make through-hole 4 lose the result of use in through-hole 4.

The protection main part 1 outside surface all fixedly is provided with conducting strip 14 in a plurality of through-holes 4 outsides, sets up conducting strip 14 and has better heat conduction effect in the protection main part, can absorb the heat in the air that flows from through-hole 4 to make the temperature on overhead line surface can improve, thereby further avoided the accumulational condition of snow in cold district on the overhead line.

The protection main body 1 is made of an insulating material, and the protection main body 1 made of the insulating material can meet the basic use requirement of the overhead line.

The plurality of the leads 3 are made of aluminum alloy, and the carrying capacity of the aluminum alloy conductor is twice that of the copper conductor under the same section, so that the use performance of the overhead line can be improved.

The utility model discloses a theory of operation is: in the use process of installing the overhead line between towers, the contact area between the overhead line body and the outside air can be increased by arranging the through holes 4 in the protection main body 1, so that the heat dissipation effect of the overhead line is improved, as the overhead line is positioned in the air, much wind is often generated, especially in some cold areas, at the moment, the wind can rush into the through holes 4, the flow rate of the air in the through holes 4 can be enhanced, the arrangement of the through holes 4 can improve the better heat dissipation effect of the overhead line, the temperature of the overhead line in the use process is effectively reduced, in addition, in snowy days, the air flowing through the through holes 4 due to the wind can also blow off the accumulated snow on the surface of the overhead line, the condition that the snow is crushed by the overhead line is effectively avoided, and the overhead line has better application effect on some cold areas, the shielding mechanism 10 is additionally arranged to effectively shield the space at the top end of the through hole 4, so that the situation that the through hole 4 loses the using effect due to the fact that sundries fall into the through hole 4 to cause blockage is avoided, the normal use of the overhead line is ensured, the heat conducting sheet 14 arranged on the protective main body has a good heat conducting effect and can absorb heat in air flowing out of the through hole 4, the temperature of the surface of the overhead line can be improved, the situation that accumulated snow in a cold region is accumulated on the overhead line is further avoided, the stress sheet 8 additionally arranged at the bottom of the protective main body through the first rotating shaft 6 can drive the first rotating shaft 6 to rotate under the stress of wind power, the second rotating shaft 7 coaxial with the first rotating shaft 6 can synchronously rotate, the fan blades 9 arranged inside the through hole 4 can be driven to rotate, the flow direction of the air inside the through hole 4 can be effectively ensured to be from bottom to top through the rotation of the fan blades 9, thereby ensuring that the heat-conducting fins 14 absorb the heat of the air flowing through the through holes 4 and further ensuring the using effect of the overhead line.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (5)

1. The utility model provides a cold district overhead line, includes protection main part (1), its characterized in that: both sides of the interior of the protection main body (1) are provided with placing cavities (2), a plurality of leads (3) are arranged in the placing cavities (2), a plurality of through holes (4) are uniformly arranged between the placing cavities (2) in the protecting main body (1), supporting rods (5) are uniformly arranged at the top ends of the through holes (4), the upper side and the lower side of the supporting rod (5) are respectively and movably provided with a first rotating shaft (6), a second rotating shaft (7) is movably arranged between the supporting rods (5), the first rotating shaft (6) and the second rotating shaft (7) are coaxial, the bottom of the protection main body (1) is provided with a stress sheet (8) at the outer side of the first rotating shaft (6), the bottom end in the through hole (4) is provided with fan blades (9) at the outer sides of the first rotating shaft (6) and the second rotating shaft (7), the top of the protection main body (1) is fixedly provided with shielding mechanisms (10) at the tops of the through holes (4).

2. The overhead line for cold regions according to claim 1, wherein: shelter from mechanism (10) and include sleeve (11), bleeder vent (12) and shielding plate (13), protection main part (1) top is all fixed being provided with sleeve (11) at a plurality of through-hole (4) tops, a plurality of bleeder vents (12) have evenly been seted up on sleeve (11) outside surface, sleeve (11) top is all fixed being provided with shielding plate (13).

3. The overhead line for cold regions according to claim 1, wherein: the outer side surface of the protection main body (1) is fixedly provided with heat conducting fins (14) at the outer sides of the through holes (4).

4. The overhead line for cold regions according to claim 1, wherein: the protection main body (1) is made of an insulating material.

5. The overhead line for cold regions according to claim 1, wherein: the plurality of leads (3) are all made of aluminum alloy.

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