CN113270840B

CN113270840B - Cable deicing device

Info

Publication number: CN113270840B
Application number: CN202110649870.1A
Authority: CN
Inventors: 陈慎; 秦航
Original assignee: State Grid Henan Power Co Tanghe County Power Supply Co
Current assignee: State Grid Henan Power Co Tanghe County Power Supply Co
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2023-01-03
Anticipated expiration: 2041-06-10
Also published as: CN113270840A

Abstract

The invention discloses a cable deicing device, which comprises a bottom plate, a support frame, a first motor, a second motor, a roller, a first linkage structure, a second linkage structure and a deicing drill bit, wherein the bottom plate is provided with a first connecting plate and a second connecting plate; the roller is arranged above the cable, the rolling surface is contacted with the cable, and two ends of the roller are movably connected with the top of the support frame through a bearing and a rotating shaft; the top of the bottom plate is fixedly connected with the bottom of the support frame; the first motor and the second motor are fixed on the top of the bottom plate; the first motor is connected with the roller through a first linkage structure and a bearing, and the bearing penetrates through and is positioned at the side part of the support frame and connected with the roller; the deicing drill bit is in a circular truncated cone shape, the width of the deicing drill bit gradually increases from the top to the bottom, the ice skate is arranged on the side portion, the first through hole is formed in the axis, the cable penetrates through the first through hole to position the deicing drill bit, and the bottom of the deicing drill bit is connected with the second motor through the second linkage structure. Can break less ice sheet and great ice-cube, guarantee defroster stability of operation, provide very high guarantee for the normal operating of cable simultaneously.

Description

Cable deicing device

Technical Field

The invention relates to the field of power system maintenance equipment, in particular to a cable deicing device.

Background

CN107800100B discloses a cable deicing device, which includes a first frame body, a second frame body and a rotary connector; the first frame body and the second frame body are sleeved on the cable, the first frame body and the second frame body are connected through a rotary connector, and the second frame body rotates by taking the cable as an axis; a travelling wheel mechanism comprising a first motor is arranged on the first frame body; the second frame body is provided with a deicing mechanism, and the deicing mechanism comprises a second motor, a driving wheel, a driven wheel, a deicing wheel, a universal ball and a water accumulating tank; the second motor is connected with the driving wheel; the driving wheel is in contact with the driven wheel and drives the driven wheel through friction; the driven wheel is contacted with the cable, and a gap is reserved between the deicing wheel and the cable. The deicing effect on the thick ice layer accumulated on the cable is poor or the ice layer cannot be removed; the blade of the deicing wheel faces the outer layer of the cable, so that the cable is easily scratched; the ice cannot be removed reversely or the ice removing effect is poor.

Disclosure of Invention

In order to overcome the above defects, the present invention provides a cable deicing device to further improve cable deicing effect and protect the outer layer of the cable.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cable deicing device comprises a bottom plate, a supporting frame, a first motor, a second motor, a roller, a first linkage structure, a second linkage structure and a deicing drill bit; the roller is arranged above the cable, a rolling surface is in contact with the cable, and two ends of the roller are movably connected with the top of the support frame through a bearing and a rotating shaft; the top of the bottom plate is fixedly connected with the bottom of the support frame; the first motor and the second motor are fixed on the top of the bottom plate; the first motor is connected with the roller through a first linkage structure and a bearing, and the bearing penetrates through and is positioned at the side part of the support frame and is connected with the roller; the deicing drill bit is in a circular truncated cone shape, the width of the deicing drill bit gradually increases from the top to the bottom, the ice skate is arranged on the side portion, a first through hole is formed in the axis, the first through hole is cylindrical, the cable penetrates through the first through hole to be located, and the bottom of the deicing drill bit is connected with the second motor through a second linkage structure.

Optionally, the deicing drill comprises a first drill, a second drill and a third drill which are connected in sequence; the first drill bit, the second drill bit and the third drill bit are respectively in a circular truncated cone shape, are arranged in a step shape, and are sequentially increased in size; the side parts of the first drill bit, the second drill bit and the third drill bit are respectively and uniformly provided with a plurality of ice blades, the arrangement direction of the ice blades corresponds to the axial direction of the deicing drill bit, and the height of the ice blades gradually increases along the direction from the first drill bit to the third drill bit.

Optionally, the first linkage structure includes a first transmission wheel, a second transmission wheel, a third transmission wheel, a first transmission belt and a second transmission belt; the rollers comprise a first roller and a second roller; the support frame comprises a first support plate, a second support plate and a third support plate which are axially and symmetrically distributed along the cable direction, one end of the first support plate is fixed at the top of one side of the bottom plate close to the front, the other end of the first support plate is fixed with one end of the second support plate, the second support plate inclines downwards and faces one side of the bottom plate close to the rear, the other end of the second support plate is fixed with one end of the third support plate, the other end of the third support plate is fixed with the top surface of the bottom plate, and the direction of the third support plate is perpendicular to the top surface of the bottom plate; the first transmission wheel comprises a large wheel and a small wheel, the large wheel and the small wheel are coaxially fixed, the large wheel is connected with the first motor through a rotating shaft, the small wheel is positioned on the outer side of the large wheel, and the diameter of the small wheel is smaller than that of the large wheel; the second conveying wheel and the first roller are fixed on the second supporting plate through a rotating shaft and a bearing, and the large wheel is in transmission connection with the second conveying wheel through a first conveying belt; the third conveying wheel and the second roller are fixed at the end part of the joint of the first supporting plate and the second supporting plate through a rotating shaft and a bearing, and the small wheel is in transmission connection with the third conveying wheel through the second conveying belt.

Optionally, the first motor is located at a side of the bottom plate close to the first support plate, and the second motor is located at a side of the bottom plate close to the third support plate; a rotating shaft on the second motor is connected with a fourth driving wheel, a fifth driving wheel is arranged at the bottom of the deicing drill bit, and the axis of the fifth driving wheel is consistent with that of the deicing drill bit; the fourth driving wheel and the fifth driving wheel are connected and meshed with each other.

Optionally, a third conveyor belt is included, and the third conveyor belt is connected to the fourth driving wheel and the fifth driving wheel respectively.

Optionally, the first roller and the second conveying wheel are arranged at the joint of the second supporting plate and the third supporting plate.

Optionally, the bottom plate, the support frame, the first motor, the second motor, the first roller, the first linkage structure, the second linkage structure, and the deicing drill bit are respectively and additionally arranged in an axisymmetric manner with the second roller as a central axis.

Optionally, a protective shell with a hollow interior is arranged above the bottom plate, and the first motor and the second motor are located inside the protective shell; the upper half part of the protective shell is a triangular body, the width of the protective shell is gradually increased from top to bottom, and the lower half part of the protective shell is a cuboid; the protective shell is made of waterproof and moistureproof materials.

Optionally, a cylindrical protection shaft sleeve is movably connected to the through hole of the axle center of the deicing drill, and two ends of the protection shaft sleeve are respectively provided with a positioning structure extending outward and perpendicular to the axle center; the protective sleeve is in direct contact with the cable.

High voltage cables are the most common way of power transmission, and the components of the high voltage cables from inside to outside include: conductor, insulation, inner sheath, filler (armor), outer insulation; the exposed portion of the high voltage cable is often damaged by extreme weather such as snow storms, frost, etc. In northern areas of China, electric cables freeze due to temperature reduction in winter. If the deicing is not carried out in time, the icing volume of the cable is too large, and the transmission line is broken or the iron tower collapses. When a disaster occurs, a large amount of manpower, material resources and financial resources are consumed, and power supply interruption accidents are serious generally, so that inconvenience is caused to the operation of a power grid and normal life of people due to huge repair engineering, long-lasting period, wide damage area and the like. Under the environment suffering from icing disasters, manual deicing is low in efficiency, high in danger coefficient, time-consuming and labor-consuming. Therefore, the automatic deicing equipment is required to replace manual work to carry out complex deicing work, the conventional deicing device is low in automation degree, needs manual regular adjustment and maintenance, is prone to failure when facing a cable to accumulate a large ice layer and is difficult to break ice, and an ice blade is prone to scratching a cable insulating layer skin during ice breaking to cause abrasion to the cable.

The invention has the following positive beneficial effects: the gyro wheel is located the top of cable, improves compactness and frictional force between gyro wheel and the cable, avoids skidding, and the axle center of deicing drill bit is provided with a cylindrical through-hole, the through-hole is wherein the cable cladding, and first motor drives the gyro wheel through first linkage structure and rotates, makes defroster remove on the cable, the second motor drives the deicing drill bit through second linkage structure and rotates, and the skates in the deicing drill bit outside are used for breaing the ice sheet or the ice-cube on the cable, and the deicing drill bit is round platform shape, increases gradually from top to bottom width, can break less ice sheet or great ice-cube, and when meetting big ice-cube, the skates also can circulate progressive ice-cube of slowly breaching, reduces the deicing resistance simultaneously, avoids the defroster card shell, guarantees the stability of defroster operation, and the skates is outwards, even can not damage the cable skin at big wind skates yet, provides very high guarantee for the normal operating of cable weather.

Drawings

Fig. 1 is a schematic structural diagram of a cable deicing device according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of another cable deicing device according to embodiment 1 of the present invention;

FIG. 3 is a schematic structural diagram of a protective shell according to embodiment 1 of the present invention;

fig. 4 is a schematic structural diagram of a deicing drill bit and a protective sleeve provided in embodiment 1 of the present invention.

1. A cable de-icing device; 2. a cable; 11. a base plate; 12. a support frame; 121. a first support plate; 122. a second support plate; 123. a third support plate; 13. a first motor; 14. a second motor; 15. a roller; 151. a first roller; 152. a second roller; 16. a first linkage structure; 161. a first transfer wheel; 1611. a bull wheel; 1612. a small wheel; 162. a second transfer wheel; 163. a third transfer wheel; 164. a first conveyor belt; 165. a second conveyor belt; 17. a second linkage structure; 171. a fifth transmission wheel; 172. a fourth transmission wheel; 173. a third conveyor belt; 18. deicing the drill bit; 181. a first through hole; 182. a first drill bit; 183. a second drill bit; 184. a third drill bit; 185. an ice skate blade; 19. a protective shaft sleeve; 20. and (6) a protective shell.

Detailed Description

The invention will be further illustrated with reference to some specific embodiments.

Example 1

As shown in fig. 1 and 2, a cable deicing device 1 comprises a base plate 11, a support frame 12, a first motor 13, a second motor 14, rollers 15, a first linkage structure 16, a second linkage structure 17 and a deicing bit 18; the roller 15 is arranged above the cable 2, a rolling surface is in contact with the cable 2, and two ends of the roller 15 are movably connected with the top of the support frame 12 through a bearing and a rotating shaft; the top of the bottom plate 11 is fixedly connected with the bottom of the support frame 12; the first motor 13 and the second motor 14 are fixed on the top of the bottom plate 11; the first motor 13 is connected with the roller 15 through a first linkage structure 16 and a bearing, and the bearing penetrates through and is positioned at the side part of the support frame 12 and is connected with the roller 15; the deicing drill 18 is in a circular truncated cone shape, the width of the deicing drill is gradually increased from the top to the bottom, the ice blade 185 is arranged on the side of the deicing drill, the deicing drill 181 is arranged on the axis of the deicing drill, the deicing drill 181 is in a cylindrical shape, the cable 2 penetrates through the deicing drill 181 to position the deicing drill 18, and the bottom of the deicing drill 18 is connected with the second motor 14 through a second linkage structure 17.

The bottom plate 11 is used for supporting and placing a first motor 13 and a second motor 14, the support frame 12 fixes the bottom plate 11 and limits a roller 15, the roller 15 is located above the cable 2, most of the weight of the cable deicing device 1 can be pressed on the top of the cable 2, the tightness and the friction force between the roller 15 and the cable 2 are improved, and the cable 2 is prevented from slipping, a cylindrical through hole is formed in the axis of the deicing drill bit 18, the through hole wraps the cable 2, the first motor 13 drives the roller 15 to rotate through a first linkage structure 16, so that the deicing device is enabled to move on the cable 2, the second motor 14 drives the deicing drill bit 18 to rotate through a second linkage structure 17, an ice blade 185 on the outer side of the deicing drill bit 18 is used for breaking an ice layer or an ice block on the cable 2, the deicing drill bit 18 is in a circular truncated cone shape, the width gradually increases from top to bottom, a smaller ice layer or a larger ice block can be broken, when a large ice block is encountered, the ice blade 185 can also be capable of circularly and gradually and slowly broken ice blocks, meanwhile, the resistance is reduced, the cable is prevented from being stuck, the running stability of the deicing device is ensured, and even if the ice blade 185 faces outwards, the outer layer of the cable 2 is damaged by a large air blade 185, and the outer layer of the cable 2 can be prevented from being damaged in the normal weather.

Specifically, the deicing bit 18 comprises a first bit 182, a second bit 183 and a third bit 184 which are connected in sequence; the first drill bit 182, the second drill bit 183 and the third drill bit 184 are respectively in the shape of round tables, are arranged in a step shape, and are sequentially increased in size; the side parts of the first drill 182, the second drill 183 and the third drill 184 are respectively and uniformly provided with a plurality of ice blades 185, the arrangement direction of the ice blades 185 corresponds to the axial direction of the deicing drill 18, and the height of the ice blades gradually increases along the direction from the first drill 182 to the third drill 184. The deicing drill bits 18 comprise three drill bits with sequentially increased sizes, but are not limited to three drill bits, the number of the small drill bits can be increased or decreased properly according to the temperature of a use zone and the icing degree of the cable 2, the small drill bits are in a circular truncated cone shape, the outer side of each small drill bit is uniformly provided with the ice skate 185, the height of the ice skate 185 is gradually increased from front to back, the ice breaking resistance is reduced, the direction of the ice skate 185 can be consistent with the direction of the cable 2, and the ice skate 185 can also be in a spiral shape and has the similar line to a screw.

The first linkage 16 comprises a first conveyor wheel 161, a second conveyor wheel 162, a third conveyor wheel 163, a first conveyor belt 164 and a second conveyor belt 165; the roller 15 includes a first roller 151 and a second roller 152; the support frame 12 comprises two first support plates 121, second support plates 122 and third support plates 123 which are axially and symmetrically distributed along the direction of the cable 2, one end of each first support plate 121 is fixed to the top of one side of the bottom plate 11, the other end of each first support plate is fixed to one end of each second support plate 122, the second support plate 122 inclines downwards and faces to the back of one side of the bottom plate 11, the other end of each second support plate 122 is fixed to one end of each third support plate 123, the other end of each third support plate 123 is fixed to the top surface of the bottom plate 11, and the direction of each third support plate 123 is perpendicular to the top surface of the bottom plate 11; the first transmission wheel 161 comprises a large wheel 1611 and a small wheel 1612, the large wheel 1611 and the small wheel 1612 are coaxially fixed, the large wheel 1611 is connected with the first motor 13 through a rotating shaft, the small wheel 1612 is positioned on the outer side of the large wheel 1611, and the small wheel 1612 is smaller than the diameter of the large wheel 1611; the second conveying wheel 162 and the first roller 151 are fixed on the second supporting plate 122 through a rotating shaft and a bearing, and the large wheel 1611 and the second conveying wheel 162 are in transmission connection through a first conveying belt 164; the third transmission wheel 163 and the second roller 152 are fixed at the end of the joint of the first support plate 121 and the second support plate 122 through a rotating shaft and a bearing, and the small wheel 1612 is in transmission connection with the third transmission wheel 163 through the second transmission belt 165.

The rolling surfaces of the first roller 151 and the second roller 152 mainly play a role in supporting the whole deicing device on the cable 2, two first supporting plates 121 and two third supporting plates 123 are respectively fixed on two sides of the bottom plate 11 in axial symmetry along the direction of the cable 2 and close to the upper part of the front end and the rear end, the first roller 151 and the second transmission wheel 162 are arranged at the joint of the second supporting plate 122 and the third supporting plate 123 and are arranged in a triangular shape, the structural stability between the supporting plates is improved, the running stability of the deicing device is improved, and according to the design, the deicing device can normally move and perform deicing operation even if the deicing device tilts in windy weather.

The first motor 13 is positioned at the side of the bottom plate 11 adjacent to the first support plate 121, and the second motor 14 is positioned at the side of the bottom plate 11 adjacent to the third support plate 123; a fourth transmission wheel 172 is connected to a rotating shaft of the second motor 14, a fifth transmission wheel 171 is arranged at the bottom of the deicing bit 18, and the axis of the fifth transmission wheel 171 is consistent with the axis of the deicing bit 18; the fourth transmission wheel 172 is connected to and intermeshes with the fifth transmission wheel 171. The cable de-icing apparatus 1 further comprises a third belt 173, said third belt 173 being connected to said fourth driving wheel 172 and to said fifth driving wheel 171, respectively. The compactness between the driving wheel of the second motor 14 and the driving wheel of the deicing drill bit 18 is improved, the structural stability between the driving wheels is improved, and the transmission efficiency is improved.

Further, referring to fig. 2, the bottom plate 11, the supporting frame 12, the first motor 13, the second motor 14, the first roller 151, the first linkage structure 16, the second linkage structure 17, and the deicing bit 18 are additionally and correspondingly disposed in an axisymmetric manner with the second roller 152 as a central axis. On the basis of the original deicing device, the second roller 152 is used as a central shaft to be axially symmetrical, the same deicing device is additionally arranged, the internal structure and the arrangement are completely the same as those of the previous deicing device, so that the deicing drill bits 18 are arranged in the front and at the back of the deicing device, the deicing device can run back and forth on the cable 2, the deicing device can deice the cable 2 from one side, the standby time is short, the deicing can be carried out when the cable returns, the time is saved, and the deicing efficiency is improved.

As shown in fig. 3, a protective casing 20 with a hollow interior is disposed above the bottom plate 11, and the first motor 13 and the second motor 14 are located inside the protective casing 20; the upper half part of the protective shell 20 is a triangular body, the width of the upper half part is gradually increased from top to bottom, and the lower half part of the protective shell is a cuboid; the protective shell 20 is made of waterproof and moistureproof material. Avoid first motor 13 and second motor 14 to receive the erosion of rainwater, snow water, ice sediment and moisture, the top slope does benefit to and excretes the rainwater, avoids ponding, ensures power equipment and transmission equipment's normal operating.

More specifically, as shown in fig. 4, a movably connected cylindrical protective sleeve 19 is disposed at the through hole of the axis of the deicing bit 18, two ends of the protective sleeve 19 are respectively provided with a positioning structure extending outward and perpendicular to the axis, so as to ensure that the sleeve does not fall off when the deicing bit 18 moves on the cable 2, the protective sleeve 19 is in direct contact with the cable 2, since the deicing bit 18 needs to rotate to drive the ice blade 185 to remove the ice layer of the cable 2, if the deicing bit 18 directly contacts with the outer layer of the cable 2, the insulating layer of the cable 2 may be worn, and the protective sleeve 19 is disposed between the deicing bit 18 and the cable 2, is movably connected with the deicing bit 18, and can properly leave a certain gap with the bottom of the deicing bit 18 or two sides of the deicing bit 181, so as to reduce the contact area and the friction between the deicing bit 18 and the protective sleeve 19, so that the protective sleeve 19 cannot completely rotate with the deicing bit 18, and only translates along the direction of the cable 2, and reduce the wear of the insulating layer of the cable 2 during movement.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A cable deicing device is characterized by comprising a bottom plate, a supporting frame, a first motor, a second motor, a roller, a first linkage structure, a second linkage structure and a deicing drill bit; the roller is arranged above the cable, a rolling surface is in contact with the cable, and two ends of the roller are movably connected with the top of the support frame through a bearing and a rotating shaft; the top of the bottom plate is fixedly connected with the bottom of the support frame; the first motor and the second motor are fixed on the top of the bottom plate; the first motor is connected with the roller through a first linkage structure and a bearing, and the bearing penetrates through and is positioned at the side part of the support frame and is connected with the roller; the deicing drill bit is in a circular truncated cone shape, the width of the deicing drill bit gradually increases from the top to the bottom, the ice skate is arranged on the side part, a first through hole is formed in the axis, the first through hole is in a cylindrical shape, the cable penetrates through the first through hole to position the deicing drill bit, and the bottom of the deicing drill bit is connected with the second motor through a second linkage structure; the deicing drill bit comprises a first drill bit, a second drill bit and a third drill bit which are sequentially connected; the first drill bit, the second drill bit and the third drill bit are respectively in a circular truncated cone shape, are arranged in a step shape, and are sequentially increased in size; a plurality of ice blades are uniformly arranged on the side parts of the first drill bit, the second drill bit and the third drill bit respectively, the arrangement direction of the ice blades corresponds to the axial direction of the deicing drill bit, and the heights of the ice blades are gradually increased along the direction from the first drill bit to the third drill bit; the deicing drill is characterized in that a cylindrical protection shaft sleeve is movably connected with the axis through hole of the deicing drill, and two ends of the protection shaft sleeve are respectively provided with a positioning structure which is vertical to the axis and extends outwards; the end part of the protective shaft sleeve is positioned behind the end part of the first drill bit; the protective sleeve is in direct contact with the cable.

2. A cable deicer according to claim 1 wherein said first linkage comprises a first transfer wheel, a second transfer wheel, a third transfer wheel, a first conveyor belt and a second conveyor belt; the rollers comprise a first roller and a second roller; the support frame comprises a first support plate, a second support plate and a third support plate which are axially and symmetrically distributed along the cable direction, one end of the first support plate is fixed at the top of one side of the bottom plate close to the front, the other end of the first support plate is fixed with one end of the second support plate, the second support plate inclines downwards and faces one side of the bottom plate close to the rear, the other end of the second support plate is fixed with one end of the third support plate, the other end of the third support plate is fixed with the top surface of the bottom plate, and the direction of the third support plate is perpendicular to the top surface of the bottom plate; the first transmission wheel comprises a large wheel and a small wheel, the large wheel and the small wheel are coaxially fixed, the large wheel is connected with the first motor through a rotating shaft, the small wheel is positioned on the outer side of the large wheel, and the diameter of the small wheel is smaller than that of the large wheel; the second conveying wheel and the first roller are fixed on the second supporting plate through a rotating shaft and a bearing, and the bull wheel is in transmission connection with the second conveying wheel through a first conveying belt; the third conveying wheel and the second roller are fixed at the end part of the joint of the first supporting plate and the second supporting plate through a rotating shaft and a bearing, and the small wheel is in transmission connection with the third conveying wheel through the second conveying belt.

3. A cable deicer according to claim 2, wherein said first motor is located adjacent to said base side of said first support plate and said second motor is located adjacent to said base side of said third support plate; a rotating shaft on the second motor is connected with a fourth driving wheel, a fifth driving wheel is arranged at the bottom of the deicing drill bit, and the axis of the fifth driving wheel is consistent with that of the deicing drill bit; the fourth driving wheel and the fifth driving wheel are connected and meshed with each other.

4. A cable deicer according to claim 3 including a third belt, said third belt being connected to said fourth drive wheel and said fifth drive wheel respectively.

5. A cable deicer according to claim 2 in which said first roller and said second transfer wheel are disposed at the junction of said second support plate and said third support plate.

6. The apparatus according to claim 4, wherein said base plate, said supporting frame, said first motor, said second motor, said first roller, said first linkage, said second linkage, and said deicing bit are respectively and additionally disposed one by one in an axisymmetric manner with respect to said second roller as a central axis.

7. A cable deicing device as set forth in claim 1 wherein a protective enclosure having a hollow interior is disposed above said base plate, said first motor and said second motor being disposed within said protective enclosure; the upper half part of the protective shell is a triangular body, the width of the protective shell is gradually increased from top to bottom, and the lower half part of the protective shell is a cuboid; the protective shell is made of waterproof and moistureproof materials.