CN101800408B

CN101800408B - Cable deicing mechanism

Info

Publication number: CN101800408B
Application number: CN200910071392XA
Authority: CN
Inventors: 郝广平; 闫泽; 赵彦龄; 于伟真; 苏相国; 杨振琪; 孟凡竹
Original assignee: Harbin University of Science and Technology
Current assignee: Daqing Power Supply Co Of State Grid Heilongjiang Electric Power Co ltd; State Grid Corp of China SGCC
Priority date: 2009-02-10
Filing date: 2009-02-10
Publication date: 2012-08-08
Anticipated expiration: 2029-02-10
Also published as: CN101800408A

Abstract

The invention relates to a cable deicing mechanism. Due to the harsh environment, cables and electrical towers are usually deiced by means of hands and sticks in China at present. The deicing means has low efficiency, and more importantly, the risk is high. The cable deicing mechanism consists of a hammer, wherein the hammer is connected with a swing bar (5) through a laminated spring (3); the swing bar (5) is connected with a frame (28) through a revolute pair; the swing bar (5) and a shifting pin (6) fixed on a pinion (7) hinged with the frame form a higher pair through a sliding slot on the swing bar (5); the pinion (7) is meshed with a rack wheel (27); the rack wheel (27) is arranged on a drive shaft (26) hinged with the frame; and a motor (19) is fixed on the frame. The cable deicing mechanism is used for deicing high-voltage cables.

Description

Cable deicing mechanism

Technical field:

The present invention relates to a kind of cable deicing mechanism, be particularly useful for the deicing of high-tension cable.

Background technology:

For electric power system, wait the influence that prevents and alleviate sleet although rainproof coating can be coated with, for more serious sleet disaster through ice-melt with on cable; These methods or consume energy hugely, or DeGrain is through contrast; The heating power deicing method can loss-rate mechanical deicing method exceed more than 100 times; For utilizing mechanical shock to open ice, even its deicing efficiency is low to moderate 3%, its effect is still high 30～100 times than heating means in addition.

Because the severity of environment, at present, the means of artificial and wooden stick are taked in domestic deicing to cable and electric tower more, and not only efficient is low for this deicing mode, and what is more important is greatly dangerous.

Summary of the invention:

The purpose of this invention is to provide a kind of danger and the cable deicing mechanism that improves deicing efficiency of avoiding artificial deicing.

Above-mentioned purpose realizes through following technical scheme:

Cable deicing mechanism; Its composition comprises: weight, and described weight is connected with fork through leaf spring, and described fork is connected through revolute pair with frame; Described fork through the chute on it be fixed on the hinged pinion of frame on finger constitute higher pair; The engagement of described pinion and gear wheel, described gear wheel be installed in the hinged driving shaft of frame on, motor is fixed on the described frame;

Running roller I sky is enclosed within on the rolling axle I that is connected through chute with described frame; Described running roller I is pressed on the cable that removed ice that is arranged in the driving shaft V-shaped groove; Passive bye is enclosed within on the passive wheel shaft that is connected with described frame; Running roller II sky is enclosed within on the rolling axle II that is connected through chute with described frame; The two ends of described rolling axle II are connected with the two ends of described passive wheel shaft through spring respectively, and described running roller II is pressed in and is arranged in the described of driving shaft V-shaped groove and removed on the cable of icing.

Described cable deicing mechanism, described frame comprise side plate, quadruplet screw, nut 21 and support set, described weight by pouring weight with knock piece and connect to form, described revolute pair is enclosed within the gear fixed axis and the side plate that are fixed on the side plate by the pinion sky and constitutes.

Described cable deicing mechanism, described pinion, described fork, described leaf spring and described weight have two cover symmetries and install, described two pinion of while, and described driving shaft is hinged through two rolling bearings and frame.

Described cable deicing mechanism is characterized in that: described Motor Drive driving shaft rotation, the rotation of drive shaft gear wheel; Gear wheel drives and its pinion in mesh rotation; Two pinion reverse rotations under the driving of gear wheel, thereby the swing of fork synchronous backward drive the motion of weight synchronous backward simultaneously; Completion is to the symmetrical hammer action of cable ice slush, and wherein pinion plays crank.

Described cable deicing mechanism, described Motor Drive driving shaft rotation, the rotation of drive shaft gear wheel; Gear wheel drives and its pinion in mesh rotation; Two pinion reverse rotations under the driving of gear wheel, thereby the swing of fork synchronous backward drive the motion of weight synchronous backward simultaneously; Completion is to the symmetrical hammer action of cable ice slush, and wherein pinion plays crank.

Described cable deicing mechanism, motor turns to difference, and weight knocks stroke and the used asynchronism(-nization) of idle stroke; When motor turns clockwise; Weight knocks the used time of stroke greater than the used time of idle stroke, and when motor was rotated counterclockwise, weight knocked the used time of stroke less than the used time of idle stroke; Admittedly when motor is rotated counterclockwise, knock energy during the knocking the big and motor of energy and turn clockwise of weight.

Beneficial effect of the present invention:

1. the present invention can be used as the automatic de-icing instrument of aerial high-voltage cable, has avoided the danger that brought by artificial deicing, improves deicing efficiency simultaneously, and this apparatus structure is simple, and deicing is effective.

2. weight is connected with fork through leaf spring among the present invention; Leaf spring plays the absorption weight and knocks the vibrations that ice slush brings; Thereby the body of protection cable deicing mechanism; Weight can increase the knock dynamics of weight to ice slush through the accumulation of energy of leaf spring and the effect that releases energy simultaneously, utilizes buckles to reach the purpose of trash ice.

3. middle roll II of the present invention will be pressed on the driving shaft that has V-shaped groove except that the cable of crossing ice through the effect of spring; Frictional force drives cable and deicing mechanism relative motion through cable and V-shaped groove; Make and to carry out continuously the deicing of cable; Running roller 2 will be pressed on the follower that has V-shaped groove except that the cable of crossing ice through the effect of spring simultaneously, play the effect of setting upright cable or deicing mechanism.

Description of drawings:

Accompanying drawing 1 is a front view of the present invention.

Accompanying drawing 2 is vertical views of accompanying drawing 1.

Accompanying drawing 3 is A-A profiles of accompanying drawing 1.

1. pouring weights in the accompanying drawing 2. knock piece, 3. leaf spring, 4. briquetting, 5. fork, 6. finger, 7. pinion; 8. running roller I, 9. spring, 10. spring hangering nail, 11. running roller II, 12. rolling axle II, 13. passive wheel shafts, 14. followers; 15. removed the cable of ice, 16. side plate I, 17. bearing pins, 18. gear fixed axis, 19. motor, 20. screws, 21. nuts; 22. support set, 23. rolling axle I, 24. side plate II, 25. rolling bearings, 26. driving shafts, 27. gear wheels.

Embodiment:

Embodiment 1:

Cable deicing mechanism; Its composition comprises: weight, described weight are connected with fork 5 through leaf spring 3, and described fork 5 and frame 28 are connected through revolute pair; Described fork 5 through the chute on it be fixed on the hinged pinion 7 of frame on finger 6 constitute higher pairs; Described pinion 7 and gear wheel 27 engagements, described gear wheel 27 be installed in the hinged driving shaft 26 of frame on, motor 19 is fixed on the described frame.

Embodiment 2:

Running roller I8 sky is enclosed within on the rolling axle I23 that is connected through chute with frame, and rolling axle I23 both sides are connected with the spring hangering nail that is fixed in the frame both sides 10 through spring 9 respectively, and running roller I is pressed on the cable 15 that removed ice that is arranged in the driving shaft V-shaped groove.

Follower 14 skies are enclosed within on the passive wheel shaft 13 that is connected with frame; Running roller II11 sky is enclosed within on the rolling axle II24 that is connected through chute with frame; The two ends of rolling axle II are connected with the two ends of passive wheel shaft through spring respectively; Under the effect of spring, running roller II can compress and be arranged in the cable 15 that the follower V-shaped groove removed ice.

Embodiment 3:

Described cable deicing mechanism; Described frame comprises side plate I16, side plate II24 and quadruplet screw 20, nut 21, support set 22; Described weight is connected and forms with knocking piece 2 by pouring weight 1, and described revolute pair is enclosed within the gear fixed axis 18 and the side plate that are fixed on the side plate 2 by the pinion sky and constitutes.

Embodiment 4:

Described cable deicing mechanism, described pinion 7, described fork 5, described leaf spring 3 and described weight have two cover symmetries and install, described two pinion simultaneously, and described driving shaft 26 is hinged through two rolling bearings 25 and frame 28.

Embodiment 5:

Described cable deicing mechanism, described motor 19 drives driving shaft 26 rotations, and driving shaft 26 drives gear wheel 27 rotations; Gear wheel 27 drives and 7 rotations of its pinion in mesh; Two pinion reverse rotations under the driving of gear wheel, thereby the swing of fork 5 synchronous backwards drive the motion of weight synchronous backward simultaneously; Completion is to the symmetrical hammer action of cable ice slush, and wherein pinion plays crank.

Embodiment 6:

The course of work:

Motor 19 output torques; Drive gear wheels 27 rotations through driving shaft 26, gear wheel 27 drives the pinion rotation with its engagement, and with another pinion 7 of pinion simultaneously and with the pinion reverse rotation of gear wheel engagement; Make two fork 5 synchronous backwards motions; Fork 5 drives two weight symmetric motions through leaf spring 3, accomplishes the hammer action to the cable ice slush, and the cable after the deicing is pressed in the V-shaped groove of driving shaft 26 by running roller I8; Under the driving of driving shaft 26; Cable is vertically to follower 14 1 side shiftings, accomplishes the feed motion of ice slush with respect to weight, and running roller II11 is pressed on cable to play a part to set upright in the V-shaped groove of follower 14 and removed the cable of icing 15.

Claims

1. A kind of cable deicing mechanism; Its composition comprises: weight is characterized in that: described weight is connected with fork through leaf spring, and described fork is connected through revolute pair with frame; Described fork through the chute on it be fixed on the hinged pinion of frame on finger constitute higher pair; The engagement of described pinion and gear wheel, described gear wheel be installed in the hinged driving shaft of frame on, motor is fixed on the described frame; Described Motor Drive driving shaft rotation, described driving shaft is hinged through two rolling bearings and frame; The rotation of drive shaft gear wheel; Gear wheel drives and its pinion in mesh rotation; Two pinion reverse rotations under the driving of gear wheel, thereby the swing of fork synchronous backward drive the motion of weight synchronous backward simultaneously; Completion is to the symmetrical hammer action of cable ice slush, and wherein pinion plays crank;

running roller I sky is enclosed within on the rolling axle I that is connected through chute with described frame; Described running roller I is pressed on the cable that removed ice that is arranged in the driving shaft V-shaped groove; Rolling axle I both sides are connected with the spring hangering nail that is fixed in the frame both sides through spring respectively; Passive bye is enclosed within on the passive wheel shaft that is connected with described frame, and running roller II sky is enclosed within on the rolling axle II that is connected through chute with described frame, and the two ends of described rolling axle II are connected with the two ends of described passive wheel shaft through spring respectively; Under the effect of spring, described running roller II compress be arranged in the follower V-shaped groove removed ice cable on.

2. cable deicing mechanism according to claim 1; It is characterized in that: described frame comprises side plate, quadruplet screw, nut and support set; Described weight by pouring weight with knock piece and connect to form, described revolute pair is enclosed within the gear fixed axis and the side plate that are fixed on the side plate by the pinion sky and constitutes.

3. cable deicing mechanism according to claim 1 and 2; It is characterized in that: described pinion, described fork, described leaf spring and described weight have two cover symmetries and install; Described two pinion of while, driving shaft is connected to frame through rolling bearing.