Overhead insulation power cable

Abstract

The invention relates to the technical field of cables, and provides an overhead insulation power cable which comprises a conductor and a protective layer and further comprises a heating component, a moving component and a cleaning component, the heating component is used for heating the protective layer and comprises a heating cylinder and a plurality of heating pieces, the heating cylinder can move outside the protective layer, and the moving component is used for moving the heating pieces outside the protective layer. The heating piece is installed outside the heating cylinder, the moving part is used for driving the heating part to move, the sweeping part is used for sweeping the outside of the protective layer and comprises a sweeping ring and a brush rod, a plurality of limiting rods are fixedly connected to the heating part, and annular limiting grooves matched with the limiting rods are formed in the sweeping ring. And a cleaning driving assembly used for driving the cleaning ring to rotate is arranged on the heating component, the multiple brush rods are fixedly connected to the interior of the cleaning ring, and the brush rods make contact with the exterior of the protective layer. According to the technical scheme, the problem of cable breakage caused by ice and snow on the surface of the overhead insulated power cable in the prior art is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of cables, and in particular to an overhead insulated power cable. Background Art

[0002] Overhead insulated power cable is an overhead conductor equipped with an insulating layer and a protective outer sheath. It is a special cable manufactured using a production process similar to that of cross-linked cables. It is a new way of transmitting electricity between overhead conductors and underground cables. Overhead cables are all single-core. According to their different structures, they can be divided into hard aluminum wire structure, hard-drawn copper wire structure, aluminum alloy wire structure, steel core or aluminum alloy core support structure and self-supporting three-core composite structure (the wire core can be hard aluminum or hard copper wire), etc. It has the main characteristics of high power supply reliability, good power supply safety, convenient installation and maintenance, and reasonable economy.

[0003] Overhead insulated power cables are installed in outdoor environments. In cold weather, snow or ice may accumulate on the cable surface. When the mechanical load increased by ice (snow) exceeds the design allowable value to a certain extent, it will cause line breakage and tower collapse accidents. Generally, manual snow and ice removal is required. Due to the slippery weather caused by rain and snow, there is a great danger. Therefore, we propose an overhead insulated power cable that can reduce the impact of ice and snow on power cables in cold weather. Summary of the invention

[0004] The invention provides an overhead insulated power cable, which solves the problem in the prior art that ice and snow on the surface of the overhead insulated power cable cause the cable to break.

[0005] The technical solution of the present invention is as follows: An overhead insulated power cable comprises a conductor and a protective layer, and further comprises: A heating component, the heating component is used to heat the protective layer, and the heating component includes: A heating cylinder, wherein the heating cylinder is movable outside the protective layer; A heating plate, wherein a plurality of heating plates are provided and the heating plates are installed outside the heating cylinder; A moving component, the moving component is used to drive the heating component to move, and the moving component includes: A rotating frame, the rotating frame is rotatably connected to the heating tube, and a compression spring is connected between the rotating frame and the heating tube; A driving roller, the driving roller is rotatably disposed on the rotating frame, and the driving roller is in contact with the outer portion of the protective layer; A cleaning component, the cleaning component is used to clean the outside of the protective layer, and the cleaning component includes: A cleaning ring, a plurality of limit rods are fixedly connected to the heating component, an annular limit groove matching the limit rods is provided on the cleaning ring, and a cleaning drive assembly for driving the cleaning ring to rotate is provided on the heating component; A brush rod, wherein a plurality of brush rods are provided, the brush rods are fixedly connected to the inside of the cleaning ring, and the brush rods are in contact with the outside of the protective layer.

[0006] In order to drive the driving roller to rotate, a mobile driving component is also included, and the mobile driving component is used to drive the driving roller to rotate. The mobile driving component includes: Motor 1, wherein the motor 1 is arranged on the rotating frame; A transmission rod, wherein the transmission rod and the driving roller are coaxially fixedly connected, the two transmission rods located on the same side of the heating cylinder are connected via a sprocket chain transmission, and the transmission rod is connected to the output shaft of the motor 1.

[0007] In order to drive the cleaning ring to rotate, the cleaning drive assembly includes: Motor 2, the motor 2 is installed on the heating cylinder; A driving shaft, the driving shaft is rotatably connected to the heating cylinder, and the driving shaft is drivingly connected to the output shaft of the second motor; A driving gear, the driving gear being fixedly connected to the end of the driving shaft; A passive gear ring is fixedly connected to the outside of the cleaning ring, and the passive gear ring is meshed with the driving gear.

[0008] In order to improve the heating effect of the cable, a heat dissipation component is also included, and the heat dissipation component includes: The fan blades are fixedly connected to the outside of the driving shaft.

[0009] In order to ensure the tension of the chain, a tensioning assembly is also included, and the tensioning assembly includes: A tensioning frame, the tensioning frame is arranged on the heating cylinder through a tensioning spring and a telescopic rod; A tensioning wheel is rotatably connected to the tensioning frame, and the tensioning wheel is in contact with an end of the chain away from the heating cylinder.

[0010] The working principle and beneficial effects of the present invention are: 1. In the present invention, the rotating frame is driven by the compression spring to press the driving roller against the surface of the protective layer, and the transmission rod and the driving roller are driven to rotate by the motor, so as to drive the heating cylinder to move along the protective layer, and the heating cylinder is heated by the heating plate to heat the protective layer, thereby reducing the condensation of ice and snow and thus reducing the load on the cable.

[0011] 2. In the present invention, the second motor drives the driving shaft and the active gear to rotate, which drives the cleaning ring and the brush rod to rotate, so as to clean the ice and snow outside the protective layer, further reducing the impact of ice and snow on the cable. At the same time, the driving shaft drives the fan blades to rotate, expanding the heating range of the hot air at the heating cylinder, and at the same time plays a role in blowing away the ice and snow.

[0012] 3. Therefore, compared with the overhead insulated power cable in the prior art, the present invention heats the heating cylinder through a heating plate, and drives the driving roller to rotate through motor 1, drives the heating cylinder to move along the cable to heat the cable, and at the same time, motor 2 drives the cleaning ring and the brush rod to rotate to clean the outside of the cable, thereby reducing the residual ice and snow on the cable surface, thereby increasing the service life of the cable in cold weather. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] Figure 1 It is a structural schematic diagram of the present invention from a first viewing angle; Figure 2 It is a structural schematic diagram of the second viewing angle of the present invention; Figure 3 It is a schematic diagram of the structure of the moving parts and the moving drive assembly of the present invention; Figure 4 It is a schematic diagram of the structure of the heating component, the moving component, the cleaning component and the heat dissipation component of the present invention; Figure 5 It is a schematic diagram of the structure of the heating component and the cleaning component of the present invention; Figure 6 It is a structural schematic diagram of the heating component of the present invention; Figure 7 For the present invention Figure 1 Schematic diagram of the local enlarged structure at point A in the middle.

[0015] In the figure: 1. Conductor; 2. Protective layer; 3. Ball; 4. Temperature sensor; 101. Heating tube; 102. Heating sheet; 201, rotating frame; 202, driving roller; 203, pressing spring; 301, motor 1; 302, transmission rod; 303, sprocket; 304, chain; 305, driving gear; 306, driven gear; 401, tensioning frame; 402, tensioning wheel; 501, cleaning ring; 502, brush rod; 503, limit rod; 601, motor 2; 602, driving shaft; 603, driving gear; 604, driven gear ring; 605, driving bevel gear; 606, driven bevel gear; 701. Fan blades. DETAILED DESCRIPTION

[0016] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] like Figures 1 to 7 As shown, this embodiment proposes an overhead insulated power cable, including a conductor 1 and a protective layer 2, and also includes a heating component, a moving component and a cleaning component. Compared with the overhead insulated power cable in the prior art, the present invention heats the heating cylinder 101 through a heating plate 102, and drives the driving roller 202 to rotate through a motor 1 301 to drive the heating cylinder 101 to move along the cable to heat the cable. At the same time, the motor 2 601 drives the cleaning ring 501 and the brush rod 502 to rotate to clean the outside of the cable, thereby reducing the residual ice and snow on the cable surface, thereby increasing the service life of the cable in cold weather.

[0018] The heating component is used to heat the protective layer 2. The heating component includes a heating cylinder 101 and a heating plate 102. The heating cylinder 101 is movable outside the protective layer 2. A plurality of heating plates 102 are provided. The heating plates 102 are installed outside the heating cylinder 101. The heating plates 102 are heated by batteries. The batteries are installed on the heating cylinder 101. The interior of the heating cylinder 101 is heated by the heating plates 102, thereby heating the cable to melt the ice and snow on the surface of the cable, reduce frostbite and brittleness of the cable, and avoid cable breakage. The inner side wall of the heating cylinder 101 in contact with the protective layer 2 is rotatably connected with a plurality of balls 3. The balls 3 are in contact with the protective layer 2, so as to reduce the resistance of the heating cylinder 101 when it moves.

[0019] The moving component is used to drive the heating component to move. The moving component includes a rotating frame 201 and a driving roller 202. The rotating frame 201 is rotatably connected to the heating cylinder 101. A compression spring 203 is connected between the rotating frame 201 and the heating cylinder 101. The driving roller 202 is rotatably set on the rotating frame 201. The driving roller 202 is in contact with the outside of the protective layer 2. The driving roller 202 is pressed against the surface of the protective layer 2 by the compression spring 203. The heating cylinder 101 is driven to move along the cable by the rotation of the driving roller 202 to heat different positions of the cable.

[0020] In order to drive the driving roller 202 to rotate, a mobile driving assembly is also included. The mobile driving assembly is used to drive the driving roller 202 to rotate. The mobile driving assembly includes a motor 301 and a transmission rod 302. The motor 301 is arranged on the rotating frame 201. The transmission rod 302 and the driving roller 202 are coaxially fixedly connected. The two transmission rods 302 located on the same side of the heating cylinder 101 are connected by a sprocket 303 and a chain 304. The ends of the transmission rods 302 are fixedly connected to the sprocket 303. The two sprockets 303 are connected by a chain 304. The transmission rod 302 and the motor 301 are connected by a sprocket 303. The output shaft is connected for transmission. The output end of the motor 301 is fixedly connected with a driving gear 305. The outer fixed sleeve of the transmission rod 302 is provided with a driven gear 306. The driven gear 306 is meshed with the driving gear 305. The driving gear 305 is driven to rotate by the motor 301, thereby driving the driven gear 306 and the transmission rod 302 to rotate. Under the action of the sprocket 303 and the chain 304, the two transmission rods 302 located on the same side of the heating cylinder 101 rotate synchronously, that is, the two driving rollers 202 rotate synchronously, and the heating cylinder 101 is driven to move along the cable through the rotation of the driving roller 202.

[0021] In order to ensure the tension of the chain 304, a tensioning assembly is also included, which includes a tensioning frame and a tensioning wheel 402. The tensioning frame 401 is arranged on the heating tube 101 through a tensioning spring and a telescopic rod. The tensioning wheel 402 is rotatably connected to the tensioning frame 401. The tensioning wheel 402 is in contact with the end of the chain 304 away from the heating tube 101. Under the action of the tensioning spring, the tensioning wheel 402 is pressed against the surface of the chain 304 to tension the chain 304, ensuring the meshing of the chain 304 and the sprocket 303, thereby ensuring the transmission connection between the two transmission rods 302. At the same time, the tensioning wheel 402 applies a force to the chain 304 in the direction close to the heating tube 101, thereby further pressing the driving roller 202 against the surface of the protective layer 2.

[0022] The cleaning component is used to clean the outside of the protective layer 2. The cleaning component includes a cleaning ring 501 and a brush rod 502. A plurality of limiting rods 503 are fixedly connected to the heating component. Specifically, a plurality of limiting rods 503 are fixedly connected to the heating cylinder 101. An annular limiting groove matching the limiting rod 503 is provided on the cleaning ring 501. The cleaning ring 501 can rotate around the cable through the sliding cooperation between the limiting rod 503 and the annular limiting groove. The heating component is provided with a cleaning drive assembly for driving the cleaning ring 501 to rotate. Specifically, the heating cylinder 101 is provided with a cleaning drive assembly for driving the cleaning ring 501 to rotate. A plurality of brush rods 502 are provided. The brush rods 502 are fixedly connected to the inside of the cleaning ring 501. The brush rods 502 are in contact with the outside of the protective layer 2. The cleaning drive assembly includes a motor 2 601, a driving shaft 602, a driving gear 603 and a passive gear ring 604. The motor 2 601 It is installed on the heating cylinder 101, and the driving shaft 602 is rotatably connected to the heating cylinder 101. The driving shaft 602 is transmission-connected to the output shaft of the second motor 601. The output end of the second motor 601 is fixedly connected with a driving bevel gear 605. The outer part of the driving shaft 602 is fixedly sleeved with a driven bevel gear 606. The driven bevel gear 606 is meshed with the driving bevel gear 605. The driving gear 603 is fixedly connected to the end of the driving shaft 602. The passive gear ring 604 is fixedly connected to the outside of the cleaning ring 501. The passive gear ring 604 is meshed with the driving gear 603. The driving bevel gear 605 can be driven to rotate by the second motor 601, thereby driving the driven bevel gear 606 and the driving shaft 602 to rotate. The driving shaft 602 drives the active gear 603 to rotate, thereby driving the passive gear ring 604 and the cleaning ring 501 to rotate, and driving the brush rod 502 to clean the outside of the protective layer 2 to sweep away the ice and snow on the surface of the cable.

[0023] In order to improve the heating effect of the cable, a heat dissipation component is also included. The heat dissipation component includes fan blades 701, and the fan blades 701 are fixedly connected to the outside of the driving shaft 602. When the motor 601 drives the driving shaft 602 to rotate, the driving shaft 602 drives multiple fan blades 701 to rotate to form an airflow. The fan blades 701 blow air to both sides of the heating tube 101, diffusing the hot air at the heating tube 101 to a larger range, further heating the cable, and reducing the impact of ice and snow on the cable.

[0024] It should be noted that a temperature sensor 4 is provided on the outside of the heating tube 101, and the temperature sensor 4 is electrically connected to the heating plate 102, motor 1 301 and motor 2 601, and can sense the external temperature. When the temperature drops to a certain temperature, the heating plate 102, motor 1 301 and motor 2 601 are controlled to turn on, drive the heating plate 102 to generate heat, the heating tube 101 to move, and the brush rod 502 to clean the outside of the cable. A battery is installed on the heating tube 101 to power the temperature sensor 4, the heating plate 102, motor 1 301 and motor 2 601. The battery is replaced or charged regularly to ensure that the battery is sufficiently charged.

[0025] The working principle or use process of the overhead insulated power cable is: When the outside temperature drops, the temperature sensor 4 senses the temperature drop and controls the heating plate 102, motor 1 301 and motor 2 601 to turn on. Motor 1 301 drives the transmission rod 302 and the driving roller 202 to rotate, driving the heating cylinder 101 to move along the cable. The heating plate 102 generates heat and heats the cable through the heating cylinder 101. Motor 2 601 drives the driving shaft 602 and the driving gear 603 to rotate, thereby driving the cleaning ring 501 and the brush rod 502 to rotate, and sweeping the ice and snow on the surface of the protective layer 2. At the same time, the driving shaft 602 drives the fan blades 701 to rotate, diffuse the hot air, and assist in sweeping the ice and snow off.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An overhead insulated power cable, comprising a conductor (1) and a protective layer (2), characterized in that: It also includes heating components, moving components and cleaning components; Wherein, the heating component is used to heat the protective layer (2); Wherein, the moving component is used to drive the heating component to move; The cleaning component is used to clean the outside of the protective layer (2), and the cleaning component comprises: A cleaning ring (501), a plurality of limiting rods (503) being fixedly connected to the heating component, an annular limiting groove matching the limiting rods (503) being provided on the cleaning ring (501), and a cleaning drive assembly for driving the cleaning ring (501) to rotate being provided on the heating component; A brush rod (502), wherein a plurality of brush rods (502) are provided, wherein the brush rod (502) is fixedly connected to the inside of the cleaning ring (501), and the brush rod (502) is in contact with the outside of the protective layer (2).

2. An overhead insulated power cable according to claim 1, characterized in that: The heating component comprises: A heating cylinder (101), wherein the heating cylinder (101) is movable outside the protective layer (2); A heating plate (102), wherein a plurality of heating plates (102) are provided, and the heating plates (102) are installed outside the heating cylinder (101).

3. An overhead insulated power cable according to claim 2, characterized in that: The moving parts include: A rotating frame (201), the rotating frame (201) being rotatably connected to the heating tube (101), and a compression spring (203) being connected between the rotating frame (201) and the heating tube (101); A driving roller (202), wherein the driving roller (202) is rotatably arranged on the rotating frame (201), and the driving roller (202) is in contact with the outside of the protective layer (2).

4. An overhead insulated power cable according to claim 3, characterized in that: It also includes a mobile driving component, the mobile driving component is used to drive the driving roller (202) to rotate, and the mobile driving component includes: Motor 1 (301), the motor 1 (301) being arranged on the rotating frame (201); A transmission rod (302), wherein the transmission rod (302) and the driving roller (202) are coaxially fixedly connected, and the two transmission rods (302) located on the same side of the heating cylinder (101) are transmission connected via a sprocket (303) and a chain (304), and the transmission rod (302) is transmission connected to the output shaft of the motor 1 (301).

5. An overhead insulated power cable according to claim 4, characterized in that: The cleaning drive assembly comprises: Motor 2 (601), the motor 2 (601) is mounted on the heating cylinder (101); A driving shaft (602), the driving shaft (602) being rotatably connected to the heating cylinder (101), the driving shaft (602) being drivingly connected to an output shaft of the second motor (601); A driving gear (603), the driving gear (603) being fixedly connected to an end of the driving shaft (602); A passive gear ring (604), the passive gear ring (604) is fixedly connected to the outside of the cleaning ring (501), and the passive gear ring (604) is meshed with the driving gear (603).

6. An overhead insulated power cable according to claim 5, characterized in that: Also included is a heat dissipation component, the heat dissipation component comprising: A fan blade (701), wherein the fan blade (701) is fixedly connected to the outside of the driving shaft (602).

7. An overhead insulated power cable according to claim 6, characterized in that: Also included is a tensioning assembly, the tensioning assembly comprising: A tensioning frame (401), the tensioning frame (401) being arranged on the heating cylinder (101) via a tensioning spring and a telescopic rod; A tensioning wheel (402), the tensioning wheel (402) being rotatably connected to the tensioning frame (401), the tensioning wheel (402) being in contact with an end of the chain (304) away from the heating cylinder (101).

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