CN106305164A - High twig shears applied to charged high-voltage line - Google Patents

High twig shears applied to charged high-voltage line Download PDF

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Publication number
CN106305164A
CN106305164A CN201610889455.2A CN201610889455A CN106305164A CN 106305164 A CN106305164 A CN 106305164A CN 201610889455 A CN201610889455 A CN 201610889455A CN 106305164 A CN106305164 A CN 106305164A
Authority
CN
China
Prior art keywords
knife rest
averruncator
high voltage
voltage circuit
block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610889455.2A
Other languages
Chinese (zh)
Inventor
王文军
马辉
丁祖善
张云飞
段庆权
杭帅
赵守强
邢军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Xuzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xuzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Xuzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610889455.2A priority Critical patent/CN106305164A/en
Publication of CN106305164A publication Critical patent/CN106305164A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G3/00Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
    • A01G3/02Secateurs; Flower or fruit shears
    • A01G3/025Secateurs; Flower or fruit shears having elongated or extended handles
    • A01G3/0255Tree pruners, i.e. pruning shears carried at the end of a pole

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  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Scissors And Nippers (AREA)

Abstract

The invention discloses high twig shears applied to a charged high-voltage line. The high twig shears comprise a tool rest, a static blade and a moving blade, the static blade is fixed on the tool rest, and the moving blade forms a hook-shaped shear mouth facing downwards; the tool rest is provided with a power transmission mechanism, a worm is fixed on an output shaft of the power transmission mechanism, a worm gear structure matched with the worm is arranged on the back of the moving blade, and insulating stay cords are connected to a big rotating wheel and a small rotating wheel respectively; a steering block is hinged to the lower portion of the tool rest through a draw-in bolt to form a tool rest steering mechanism; an insulating rod is connected to the lower portion of the steering block. According to the high twig shears, the problem that traditional high twig hears cannot be used on the condition that a high voltage line is charged is solved, operation can be conducted without power interruption, and the reliability of mains supply is guaranteed; meanwhile, the trimming range is widened, and the labor efficiency is improved.

Description

Apply the averruncator under live high voltage circuit
Technical field
The present invention relates to averruncator field, be specifically related to a kind of special averruncator of live high voltage circuit.
Background technology
In the channel management of overhead transmission line, line tree contradiction is always more prominent, the serious class problem of ratio, a side Face, along with the fast development of urban construction, the greening construction such as newly-built road, park gradually increases, and greening department of government is to " electricity Power facilities protection regulations " understand not, frequently appear in the phenomenon that below transmission line of electricity, large area is planted trees, cause some circuit to lead Line is unsatisfactory for regulation requirement to trees distance;On the other hand, it is wide that overhead transmission line crosses over scope, in path protection district trees many and Miscellaneous, resident's environmental consciousness and economic consciousness strengthen in addition, and intractability is big, can only carry out the pruning of little scope.For being unsatisfactory for Safe distance and the felling big trees of difficulty, operation department generally uses averruncator to prune.And conventional averruncator is unified In market purchasing, run unit is during in using market, existing common averruncator carries out pruning trees, it was found that with Under many defects: 1, Insulation Problems, tradition averruncator not near high-tension line trees prune make special exhausted Edge equipment, the most in use can not prune for being unsatisfactory for the trees of safe distance in high-voltage line protection district, limit and make Scope;2, the cutter head direction of tradition averruncator is fixed, and the branch pruning of horizontal direction is effective, but the tree in other directions Branch prunes difficulty greatly, loses time and easily makes cutter head rupture;3, tradition averruncator due to use assembly pulley work-saving device, this Alleviate the labor intensity of operator to a certain extent, but during pruning, the phenomenon that cutter head is stuck easily occurs, no Energy ongoing operation, adds labor time and labor intensity virtually;4, tradition shears for pruning upper branch area of bed is fixed, it is impossible to according to existing The diameter of field trees makes corresponding regulation, and on-the-spot Pruning Test shows, for the diameter tree trimming effect more than 15mm relatively Difference.Owing to there is above many defects so that averruncator is in use wasted time and energy, and affects work efficiency.
This averruncator causes pruning work well not carry out because there is many defects, therefore, is badly in need of developing one It is suitable for the averruncator of the critical trees of on-line treatment that operation power department uses.
Summary of the invention
According to the deficiencies in the prior art, it is provided that a kind of special averruncator of live high voltage circuit so that it is there is good insulation Property, cutter head can rotate, use in the most stuck, lightweight and be applicable to the pruning of major diameter branch.
The present invention is realized by techniques below scheme:
A kind of averruncator applied under live high voltage circuit, turns to machine including knife rest, set of blades, power drive mechanism, knife rest Structure;Described set of blades is fixed on knife rest, realizes the motion of set of blades by power drive mechanism and cuts off branch, described knife rest It is connected with knife rest steering mechanism again, it is achieved change the direction of knife rest.
Preferably, described knife rest is U-type groove structure, and the upper wall of described knife rest has a through hole I, and sidewall has one Through hole II, rear wall has two through holes III.
Preferably, described power drive mechanism includes that power shaft and output shaft, described power shaft pass in through hole II, The termination of the power shaft being positioned at knife rest is interspersed in the axis hole on the shaft stool being fixed on knife rest rear wall;Described output shaft One termination is positioned at through hole I, and another termination of output shaft is interspersed in the axis hole on the shaft stool being fixed on knife rest rear wall, institute State power shaft and output shaft is formed with shaft stool respectively and is rotatably assorted;Described output shaft top is provided with and fixed thereto is connected to one The worm screw risen or snugly install, the bottom of output shaft is installed with bevel gear I, is positioned at the power shaft of knife rest On the bevel gear II suitable with bevel gear I is installed, two bevel gears match formation gear drive;Be positioned at outside knife rest is defeated Enter and on axle, be provided with the gear train rotated for band driven input shaft.
Preferably, described gear train includes great wheel and little runner, connects respectively on described great wheel and little runner There is insulation stay cord, oppositely oriented on great wheel and little runner of described insulation stay cord.
Preferably, when pulling the insulation stay cord being connected on great wheel, power shaft rotates forward;It is connected to when pulling During insulation stay cord on little runner, power shaft rotates backward.
Preferably, described set of blades includes fixed blade and cutting blade, and described fixed blade is fixed on the rear wall of knife rest, quiet The edge of blade is downward crotch shape;Described cutting blade is movably hinged by pivot pin and fixed blade that to form that Open Side Down curved Hook-shaped clip;Described cutting blade is provided with the turbine matched with worm screw, worm drive turbine rotation, thus changes hook shape and cut Mouth opening change.
Preferably, described knife rest steering mechanism includes a steering block, a turnbuckle and two clamping blocks;Two Clamping block is separately positioned on the lower wall both sides of knife rest in the way of the most corresponding, and one of them clamping block is provided with through hole IV, It is provided with screwed hole on another clamping block;Described steering block is arranged in the groove between two clamping blocks, and by tension Bolt is interspersed between two clamping blocks and steering block, it is achieved the steering block effect of being fixedly clamped after forwarding predetermined angular to.
Preferably, the side that the lower wall of the knife rest in described steering block and groove is close is shaped as circular arc, circular arc The steering block of shape can in a groove around turnbuckle axis rotate, make steering block phase cutter setting frame change angle time not with groove The lower wall of interior knife rest is interfered, thus changes the direction of knife rest.
Preferably, also including an insulating bar, the bottom of described steering block is provided with cylindrical hole, and described insulating bar is with mistake The fit system that is full of be arranged in cylindrical hole or insulating bar in the way of matched in clearance, be arranged on cylindrical hole in and consolidated by clip Fixed.
Preferably, described insulating bar is hollow plastic tube.
The method have the benefit that
1) hand-held part uses hollow insulating bar to combine with insulation stay cord, possesses insulation function so that it is can be at charged height Use in protection zone, line ball road;
2) there is knife rest steering mechanism, the convenient branch pruning any direction;
3) improve cutter head, bigger branch can be pruned;
4) structure simplifies, lightweight;
5) not only solve tradition averruncator non-serviceable situation in the case of high-tension line is charged, can not have a power failure and make Industry, has ensured electrical network power supply reliability, has added the scope that can prune simultaneously, improve labor efficiency.
Accompanying drawing explanation
Fig. 1 is the preferred embodiment structural representation applying averruncator under live high voltage circuit according to the present invention Figure;
Fig. 2 is according to the cutting blade structural representation applying averruncator under live high voltage circuit shown in Fig. 1;
Fig. 3 is according to the fixed blade structural representation applying averruncator under live high voltage circuit shown in Fig. 1;
Fig. 4 is according to the cutter frame structure schematic diagram applying averruncator under live high voltage circuit shown in Fig. 1;
Fig. 5 is according to the steering block structural representation applying averruncator under live high voltage circuit shown in Fig. 1;
In figure: 1 fixed blade, 2 cutting blades, 3 knife rests, 3-1 through hole I, 3-2 through hole II, 3-3 through hole III, 3- 4 clamping blocks, 3a through hole IV, 3b screwed hole, 4 worm screws, 5 bevel gears I, 6 bevel gears II, 7 great wheels, 8 Little runner, 9 insulation stay cords, 10 insulating bars, 11 steering blocks, 12 turnbuckles, 13 shaft stools, 14 power shafts, 15 output shafts, 16 turbines, 17 cylindrical holes.
Detailed description of the invention
Below in conjunction with accompanying drawing, by specific embodiment, the present invention is further illustrated.
As it is shown in figure 1, a kind of averruncator applied under live high voltage circuit, including knife rest 3, set of blades, power transmission Mechanism, knife rest steering mechanism;Set of blades is fixed on knife rest 3, realizes the motion of set of blades by power drive mechanism and cuts off Branch, knife rest 3 is connected with knife rest steering mechanism again, it is achieved change the direction of knife rest 3.
Power drive mechanism includes power shaft 14 and output shaft 15, and power shaft 14 passes in through hole II 3-2, is positioned at knife rest The termination of the power shaft 14 in 3 is interspersed in the axis hole on the shaft stool 13 being fixed on knife rest 3 rear wall;One end of output shaft 15 Head is positioned at through hole I 3-1, and another termination of output shaft 15 is interspersed in the axis hole on the shaft stool 13 being fixed on knife rest 3 rear wall In, power shaft 14 and output shaft 15 are formed with shaft stool 13 respectively and are rotatably assorted;Output shaft 15 top is provided with company fixed thereto The worm screw 4 being connected together or snugly install, the bottom of output shaft 15 is installed with bevel gear I 5, is positioned at knife rest Being provided with the bevel gear II 6 suitable with bevel gear I 5 on power shaft 14 in 3, two bevel gears match and form gear biography Dynamic;It is positioned on the power shaft 14 outside knife rest 3 and is provided with the gear train rotated for band driven input shaft 14.
Gear train includes great wheel 7 and little runner 8, is connected to the stay cord 9 that insulate, absolutely on great wheel 7 and little runner 8 Oppositely oriented on great wheel 7 and little runner 8 of edge stay cord 9;When pulling the insulation stay cord being connected on great wheel 7, input Axle 14 rotates forward;When pulling the insulation stay cord being connected on little runner 8, power shaft 14 rotates backward.
As shown in Figure 4, knife rest 3 is U-type groove structure, and the upper wall of knife rest 3 has through hole I 3-1, and sidewall has one and leads to Hole II 3-2, rear wall has two through hole III 3-3.
As shown in Figure 2, Figure 3, Figure 4, set of blades includes fixed blade 1 and cutting blade 2, and fixed blade 1 is fixed on cutter by rivet On the rear wall of frame 3, the edge of fixed blade 1 is downward crotch shape;Cutting blade 2 is movably hinged shape by pivot pin and fixed blade 1 Become the hook shape clip that Open Side Down;Cutting blade 2 is provided with the turbine 16 matched with worm screw 4, and worm screw 4 drives turbine 16 turns Dynamic, thus change the change of hook shape clip opening.
Pulling the insulation stay cord 9 being connected on great wheel 7, power shaft 14 rotates forward, and the opening of clip diminishes, and shears closes Close and shear branch;Pulling the insulation stay cord 9 being connected on little runner 8, power shaft 14 rotates backward, and the opening of clip becomes big, cuts Cutter is opened;Owing to great wheel 7 rotates output power, exerted oneself big, so major diameter can be laborsaving.
As shown in Figure 4, Figure 5, knife rest steering mechanism includes 11, turnbuckle 12 of a steering block and two clamping blocks 3-4;Two clamping block 3-4 are separately positioned on the lower wall both sides of knife rest 3 in the way of the most corresponding, and one of them clamping block sets It is equipped with through hole IV 3a, another clamping block is provided with screwed hole 3b;It is recessed that steering block 11 is arranged between two clamping block 3-4 In groove, and it is interspersed between two clamping block 3-4 and steering block 11 by turnbuckle 12, it is achieved steering block 11 makes a reservation for forwarding to The effect of being fixedly clamped after angle.The side that the lower wall of the knife rest 3 in steering block 11 and groove is close is shaped as circular arc, circle The steering block 11 of arc can make steering block 11 phase cutter setting frame 3 change angle in a groove around the axis rotation of turnbuckle 12 The lower wall of the knife rest 3 in Shi Buyu groove is interfered, thus changes the direction of knife rest 3.
As it is shown in figure 1, also include an insulating bar 10, the bottom of steering block 11 is provided with cylindrical hole 17, insulating bar 10 with In interference fit is arranged on cylindrical hole 17 or insulating bar 10 in the way of matched in clearance, be arranged on cylindrical hole 17 in and lead to Cross clip to fix.Insulating bar 10 is hollow plastic tube, lightweight, can meet high-altitude application.
The work process of averruncator is:
First, the position of the branch pruned as required determines the direction of knife rest 3, if branch is level or the most straight side To, the clip plane on direction as shown in Figure 1, the direction of knife rest 3, i.e. knife rest 3 is parallel with insulating bar 10;If the side of branch To for being perpendicular to ground, then needing to adjust the direction of knife rest 3, adjustment process is, unclamps turnbuckle 12, makes steering block 11 around drawing The axis 90-degree rotation of tight bolt 12, then tighten turnbuckle 12 and make steering block 11 be fixedly clamped, so, the clip on knife rest 3 Plane is just parallel with insulating bar 10, and people station is the most easy to operate.It is of course also possible to according to people's location, for operation Convenient knife rest 3 changed over other suitable angle;
Second step, opens clip, hand-turning great wheel 7 or little runner 8, makes cutting blade 2 turn to clip open mode;
3rd step, lifts insulating bar 10, and clip is stuck on the branch needing to prune;
4th, slowly pulling and be connected on great wheel 7 stay cord 9 that insulate, great wheel 7 band driven input shaft rotates, and passes through bevel gear Transmission, worm screw 4 drives cutting blade 2 to rotate, and makes clip opening taper into, thus cuts off branch;
Before cutting off branch, if needing to adjust the opening of clip, the insulation stay cord 9 on little runner 8 can be pulled with opposite direction, making Cutting blade 2 opposite direction rotates, and the opening of clip becomes big.
Although illustrate and describing the present invention referring particularly to its preferred embodiment, but those skilled in the art being permissible Understand, can be to make the model without deviating from the present invention described in appended claims of the various changes in form and details Enclose.Specific embodiment above in association with the present invention is described in detail, but is not limitation of the present invention.Every according to this Bright technical spirit, to any simple modification made for any of the above embodiments, all still falls within the scope of technical solution of the present invention.

Claims (10)

1. the averruncator applied under live high voltage circuit, it is characterised in that: include knife rest (3), set of blades, power transmission Mechanism, knife rest steering mechanism;
Described set of blades is fixed on knife rest (3), realizes the motion of set of blades by power drive mechanism and cuts off branch, described Knife rest (3) is connected with knife rest steering mechanism again, it is achieved change the direction of knife rest (3).
The averruncator applied under live high voltage circuit the most according to claim 1, it is characterised in that: described knife rest (3) For U-type groove structure, the upper wall of described knife rest (3) has a through hole I (3-1), and sidewall has a through hole II (3-2), rear wall Have two through holes III (3-3).
The averruncator applied under live high voltage circuit the most according to claim 2, it is characterised in that: described power transmission Mechanism includes power shaft (14) and output shaft (15), and described power shaft (14) passes in through hole II (3-2), is positioned at knife rest (3) The termination of interior power shaft (14) is interspersed in the axis hole on the shaft stool (13) being fixed on knife rest (3) rear wall;
One termination of described output shaft (15) is positioned at through hole I (3-1), and another termination of output shaft (15) is interspersed in and is fixed on cutter In the axis hole on shaft stool (13) on frame (3) rear wall, described power shaft (14) and output shaft (15) respectively with shaft stool (13) Formation is rotatably assorted;
Described output shaft (15) top is provided with the worm screw (4) linked together or snugly install fixed thereto, The bottom of output shaft (15) is installed with bevel gear I (5), is positioned on the power shaft (14) of knife rest (3) and is provided with and umbrella tooth Wheel I (5) suitable bevel gear II (6), two bevel gears match formation gear drive;
It is positioned on knife rest (3) power shaft (14) outward and is provided with the gear train rotated for band driven input shaft (14).
The averruncator applied under live high voltage circuit the most according to claim 3, it is characterised in that: described gear train bag Include great wheel (7) and little runner (8), described great wheel (7) and little runner (8) are connected to the stay cord (9) that insulate, described Insulation stay cord (9) oppositely oriented on great wheel (7) and little runner (8).
The averruncator applied under live high voltage circuit the most according to claim 4, it is characterised in that: it is connected to when pulling During insulation stay cord on great wheel (7), power shaft (14) rotates forward;When pulling the insulation stay cord being connected on little runner (8) Time, power shaft (14) rotates backward.
The averruncator applied under live high voltage circuit the most according to claim 3, it is characterised in that: described set of blades bag Including fixed blade (1) and cutting blade (2), described fixed blade (1) is fixed on the rear wall of knife rest (3), and the edge of fixed blade (1) is Downward crotch shape;Described cutting blade (2) is movably hinged the formation hook shape that Open Side Down by pivot pin and fixed blade (1) and cuts Mouthful;Described cutting blade (2) is provided with the turbine (16) matched with worm screw (4), and worm screw (4) drives turbine (16) to rotate, thus Change the change of hook shape clip opening.
The averruncator applied under live high voltage circuit the most according to claim 2, it is characterised in that: described knife rest turns to Mechanism includes a steering block (11), a turnbuckle (12) and two clampings block (3-4);
Two clampings block (3-4) are separately positioned on the lower wall both sides of knife rest (3) in the way of the most corresponding, and one of them clamps block On be provided with through hole IV (3a), another clamping block on be provided with screwed hole (3b);
Described steering block (11) is arranged in the groove between two clampings block (3-4), and is interspersed in by turnbuckle (12) Between two clampings block (3-4) and steering block (11), it is achieved the steering block (11) effect of being fixedly clamped after forwarding predetermined angular to.
The averruncator applied under live high voltage circuit the most according to claim 7, it is characterised in that: described steering block (11) side being close with the lower wall of knife rest (3) in groove is shaped as circular arc, and the steering block (11) of circular arc can be In groove around turnbuckle (12) axis rotate, make steering block (11) phase cutter setting frame (3) change angle time not with in groove The lower wall of knife rest (3) is interfered, thus changes the direction of knife rest (3).
9. according to applying the averruncator under live high voltage circuit described in claim 7 or 8, it is characterised in that: also include one Root insulating bar (10), the bottom of described steering block (11) is provided with cylindrical hole (17), and described insulating bar (10) is with interference fit side Formula be arranged in cylindrical hole (17) or insulating bar (10) in the way of matched in clearance, be arranged on cylindrical hole (17) in and pass through to block Hoop is fixing.
The averruncator applied under live high voltage circuit the most according to claim 9, it is characterised in that: described insulating bar (10) it is hollow plastic tube.
CN201610889455.2A 2016-10-12 2016-10-12 High twig shears applied to charged high-voltage line Pending CN106305164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610889455.2A CN106305164A (en) 2016-10-12 2016-10-12 High twig shears applied to charged high-voltage line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610889455.2A CN106305164A (en) 2016-10-12 2016-10-12 High twig shears applied to charged high-voltage line

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CN106305164A true CN106305164A (en) 2017-01-11

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112752458A (en) * 2021-01-25 2021-05-04 甘艳云 Intelligent monitoring equipment for power grid equipment
CN112840881A (en) * 2021-02-25 2021-05-28 国网冀北电力有限公司廊坊供电公司 Electric power trimming means
CN113615418A (en) * 2021-08-31 2021-11-09 国网河南省电力公司博爱县供电公司 Power supply maintenance special offline branch insulation trimmer

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2048751A (en) * 1979-05-02 1980-12-17 Fiskars Ab Oy Pruning Device
CN200976768Y (en) * 2006-05-21 2007-11-21 葛瑞来 Branch cutting apparatus
CN203313737U (en) * 2013-06-25 2013-12-04 国家电网公司 Insulation gardening scissors
CN204681901U (en) * 2014-12-23 2015-10-07 赵金鱼 Pricklyash peel picker
CN206101004U (en) * 2016-10-12 2017-04-19 国网江苏省电力公司徐州供电公司 Use averruncator under electrified high voltage transmission lines

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2048751A (en) * 1979-05-02 1980-12-17 Fiskars Ab Oy Pruning Device
CN200976768Y (en) * 2006-05-21 2007-11-21 葛瑞来 Branch cutting apparatus
CN203313737U (en) * 2013-06-25 2013-12-04 国家电网公司 Insulation gardening scissors
CN204681901U (en) * 2014-12-23 2015-10-07 赵金鱼 Pricklyash peel picker
CN206101004U (en) * 2016-10-12 2017-04-19 国网江苏省电力公司徐州供电公司 Use averruncator under electrified high voltage transmission lines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112752458A (en) * 2021-01-25 2021-05-04 甘艳云 Intelligent monitoring equipment for power grid equipment
CN112752458B (en) * 2021-01-25 2022-04-15 山西合邦电力科技有限公司 Intelligent monitoring equipment for power grid equipment
CN112840881A (en) * 2021-02-25 2021-05-28 国网冀北电力有限公司廊坊供电公司 Electric power trimming means
CN113615418A (en) * 2021-08-31 2021-11-09 国网河南省电力公司博爱县供电公司 Power supply maintenance special offline branch insulation trimmer

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