CN205794624U - Pneumatic scarer - Google Patents

Pneumatic scarer Download PDF

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Publication number
CN205794624U
CN205794624U CN201620711555.1U CN201620711555U CN205794624U CN 205794624 U CN205794624 U CN 205794624U CN 201620711555 U CN201620711555 U CN 201620711555U CN 205794624 U CN205794624 U CN 205794624U
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CN
China
Prior art keywords
connecting rod
bird
extension bar
slide rail
scarer
Prior art date
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Active
Application number
CN201620711555.1U
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Chinese (zh)
Inventor
高天山
冯翠莲
刘涛江
叶得刚
姜新成
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.)
Training Center Of State Grid Xinjiang Electric Power Co
State Grid Corp of China SGCC
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Training Center Of State Grid Xinjiang Electric Power Co
State Grid Corp of China SGCC
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Application filed by Training Center Of State Grid Xinjiang Electric Power Co, State Grid Corp of China SGCC filed Critical Training Center Of State Grid Xinjiang Electric Power Co
Priority to CN201620711555.1U priority Critical patent/CN205794624U/en
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Publication of CN205794624U publication Critical patent/CN205794624U/en
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Abstract

This utility model relates to scarer technical field, is a kind of pneumatic scarer;It includes wind wheel base, vertical axis, wind wheel organization, crank, slide rail, rhombus expansion bracket, guide runner and connecting rod;It is provided with at the middle part of wind wheel base and front and back runs through and opening is towards left U-lag, the wind wheel base on the upside of U-lag is provided with the vertical axis that can rotate, at the wind wheel organization that the fixed installation of the top of vertical axis can horizontally rotate.This utility model reasonable and compact in structure, easy to use;Reflective wind bowl is rotated by wind drive, the reflective wind bowl rotated can not only expel birds, also provide driving force to rhombus expansion bracket, rhombus expansion bracket is made to move back and forth along slide track telescopic, make to be arranged on bird-resistant on bird-resistant installing hole to be active, increasing the deterrent force to birds, effect on driving birds is good, and the operation to electrical network provides safety guarantee;Being respectively equipped with illuminator inside and outside reflective wind bowl, the sunlight of reflection has the effect driven to birds, improves effect on driving birds further.

Description

Pneumatic scarer
Technical field
This utility model relates to scarer technical field, is a kind of pneumatic scarer.
Background technology
In order to prevent birds from fighting in the surface of wire porcelain vase string, stop, nesting, it is ensured that circuit unimpeded, minimizing stops The generation of electrification, in the case of the existence not injuring birds, uses a kind of pricker type bird-resistant arranged in radiation;Anti-bird Thorn is typically secured to the upper position of the cross arm of tower of power transmission and transformation line equipment;Owing to installation region is limited, therefore bird-resistant Protective range is less;And the bird-resistant generally used is stationary structure, the deterrent force to birds after life-time service, can be reduced, Effect on driving birds is caused to be deteriorated, it is impossible to the operation to power grid security provides safeguard.
Summary of the invention
This utility model provides a kind of pneumatic scarer, overcomes the deficiency of above-mentioned prior art, and it can efficient solution Certainly the protective range of bird-resistant is less, the problem that after life-time service, effect on driving birds is deteriorated.
The technical solution of the utility model is realized by following measures: a kind of pneumatic scarer, including wind wheel Base, vertical axis, wind wheel organization, crank, slide rail, rhombus expansion bracket, guide runner and connecting rod;It is provided with at the middle part of wind wheel base Front and back run through and opening is towards left U-lag, the wind wheel base on the upside of U-lag is provided with the vertical axis that can rotate, vertically The top of axle fixedly mounts the wind wheel organization that can horizontally rotate;Being installed with crank in the lower end of vertical axis, crank is positioned at U-shaped In groove;Wind wheel base left end on the downside of U-lag is fixed with slide rail, is provided with and can move back and forth along slide track telescopic on slide rail Rhombus expansion bracket, the left end of rhombus expansion bracket is fixed on slide rail;The right-hand member of rhombus expansion bracket is provided with and can move along about slide rail Dynamic guide runner, is installed together by connecting rod between guide runner and crank;It is distributed anti-on the top of rhombus expansion bracket Bird thorn installing hole.
Further optimization and/or improvements to above-mentioned utility model technical scheme are presented herein below:
Above-mentioned rhombus expansion bracket can include at least one rhombus telescopic unit, connecting pin and alignment pin;Neighboring diamonds stretches Unit is hingedly mounted on together by connecting pin;The hinged alignment pin that is provided with of left end of the rhombus telescopic unit of left end, alignment pin It is fixed on the left end of slide rail;The hinged alignment pin that is provided with of right-hand member of right-hand member rhombus telescopic unit, the lower end of alignment pin is slided with guiding Block is fixedly installed togather;Bird-resistant installing hole is distributed on the top of each rhombus telescopic unit.
Above-mentioned rhombus telescopic unit can include left back connecting rod, right front rod, right back link and left front connecting rod;Left back connecting rod with Right front rod is isometric and parallel;Right back link is isometric with left front connecting rod and parallel;Pin is passed through between left back connecting rod and right back link Axle is hingedly mounted on together, is installed together by hinge between right front rod and left front connecting rod.
Backspin can hinged be installed on the bearing pin between above-mentioned left back connecting rod and right back link be folded under left back connecting rod Square or upper rotation is expanded to the left back extension bar on the extended line of right back link, overlapping between left back extension bar with right back link Section is provided with hole, location, is provided with the pin that left back extension bar can launch location in hole, location;Top at left back extension bar Bird-resistant installing hole is distributed;Or/and,
On bearing pin between left back connecting rod and right back link hinged be provided with backspin be folded in below right back link or on Extension bar behind the right side that is expanded on left back connecting rod extended line of rotation, is provided with on overlay segment between extension bar and left back connecting rod behind the right side Hole, location, be provided with in hole, location can by the right side after extension bar surely launch the pin of position;Behind the right side, the top of extension bar is distributed anti- Bird thorn installing hole;
Or/and, on the bearing pin between left front connecting rod and right front rod hinged be provided with can on rotation be folded in left front connecting rod Lower section or backspin are expanded to the left front extension bar on right front rod extended line, overlapping between left front extension bar with right front rod Section is provided with hole, location, is provided with the pin that left front extension bar can launch location, on the top of left front extension bar in hole, location Bird-resistant installing hole is distributed;
Or/and, on the bearing pin between left front connecting rod and right front rod hinged be provided with can on rotation be folded in right front rod Lower section or backspin be expanded on left front connecting rod extended line right before extension bar, overlapping between extension bar with left front connecting rod before the right side Section be provided with location hole, location hole in be provided with can by the right side before extension bar launch location pin;The top of extension bar before the right side Bird-resistant installing hole is distributed.
Above-mentioned wind wheel organization can use bird dispelling wind wheel organization;Bird dispelling wind wheel organization includes axle sleeve, fan blade bar and reflective wind bowl; Top extenal fixation at vertical axis has axle sleeve, and on axle sleeve, circumference is installed with at least three fan blade bar, outside fan blade bar End is respectively fixed with reflective wind bowl;Reflective wind bowl is built-in with illuminator.
Stationary distribution the illuminator in regular pentagon can be had on the spherical outside surface of above-mentioned reflective wind bowl;Or/and, reflective wind bowl On spherical outside surface, stationary distribution has in orthohexagonal illuminator.
The left part lower end of above-mentioned slide rail and the right part lower end of slide rail can be respectively fixed with mounting base, divide on mounting base It is not provided with slide rail fixing hole;Or/and, the bottom of guide runner is provided with scroll wheel.
Above-mentioned bird-resistant installing hole can be installed with bird-resistant by screw bolt and nut.
This utility model reasonable and compact in structure, easy to use;Reflective wind bowl is rotated by wind drive, the reflective wind of rotation Bowl can not only expel birds, also provides driving force to rhombus expansion bracket, makes rhombus expansion bracket move back and forth along slide track telescopic, makes peace Being contained in bird-resistant on bird-resistant installing hole to be active, increase the deterrent force to birds, effect on driving birds is good, the fortune to electrical network Row provides safety guarantee;Being respectively equipped with illuminator inside and outside reflective wind bowl, the sunlight of reflection has the effect driven to birds, enters One step improves effect on driving birds.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of this utility model most preferred embodiment.
Fig. 2 is the plan structure schematic diagram of accompanying drawing 1.
Fig. 3 is the deployed configuration schematic diagram of rhombus telescopic unit.
It is wind wheel base that coding in accompanying drawing is respectively as follows: 1, and 2 is U-lag, and 3 is vertical axis, and 4 is crank, and 5 is slide rail, and 6 are Rhombus expansion bracket, 7 is guide runner, and 8 is connecting rod, and 9 is bird-resistant installing hole, and 10 is rhombus telescopic unit, and 11 is connecting pin, 12 For alignment pin, 13 is left back connecting rod, and 14 is right front rod, and 15 is right back link, and 16 is left front connecting rod, and 17 is left back extension bar, 18 is extension bar behind the right side, and 19 is pin, and 20 is left front extension bar, and 21 is right front extension bar, and 22 is axle sleeve, and 23 is reflective wind bowl, 24 is fan blade bar, and 25 is illuminator, and 26 is mounting base, and 27 is slide rail fixing hole, and 28 is scroll wheel.
Detailed description of the invention
This utility model is not limited by following embodiment, can come with practical situation according to the technical solution of the utility model Determine specific embodiment.
In this utility model, for the ease of describing, the description of the relative position relation of each parts is all according to description The Butut mode of accompanying drawing 1 is described, such as: the position relationship of upper and lower, left and right etc. is based on the Butut of Figure of description 1 Direction determines.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
As shown in accompanying drawing 1,2, this pneumatic scarer includes wind wheel base 1, vertical axis 3, wind wheel organization, crank 4, slide rail 5, rhombus expansion bracket 6, guide runner 7 and connecting rod 8;It is provided with at the middle part of wind wheel base 1 and front and back runs through and opening is towards left U-lag 2, the wind wheel base 1 on the upside of U-lag 2 is provided with the vertical axis 3 that can rotate, on the top of vertical axis 3, fixed installation can water The flat wind wheel organization rotated;Be installed with crank 4 in the lower end of vertical axis 3, crank 4 is positioned at U-lag 2;U-lag 2 times Wind wheel base 1 left end of side is fixed with slide rail 5, and being provided with on slide rail 5 can be along the flexible rhombus expansion bracket moved back and forth of slide rail 5 6, the left end of rhombus expansion bracket 6 is fixed on slide rail 5;The right-hand member of rhombus expansion bracket 6 is provided with can be along leading that slide rail 5 moves left and right It is installed together by connecting rod 8 between slide block 7, guide runner 7 and crank 4;Anti-bird is distributed on the top of rhombus expansion bracket 6 Thorn installing hole 9.
Wind wheel organization can convert wind energy into the mechanical energy that vertical axis 3 rotates, and drives crank 4 to rotate, and passes through connecting rod 8, make guide runner 7 can move left and right along slide rail 5, and drive rhombus expansion bracket 6 to move back and forth along slide rail 5 is flexible, make installation Bird-resistant on bird-resistant installing hole 9 is active, and so can increase the deterrent force to birds;Rhombus expansion bracket 6 In addition to can stretching, also increasing the installation region of bird-resistant, make protective range wider, effect on driving birds is good, to electrical network Run and safety guarantee is provided.
According to actual needs above-mentioned pneumatic scarer can be made further optimization and/or improvements:
As shown in Figure 2, rhombus expansion bracket 6 includes at least one rhombus telescopic unit 10, connecting pin 11 and alignment pin 12; Neighboring diamonds telescopic unit 10 is hingedly mounted on together by connecting pin 11;The hinged peace of left end of the rhombus telescopic unit 10 of left end Equipped with alignment pin 12, alignment pin 12 is fixed on the left end of slide rail 5;The right-hand member of right-hand member rhombus telescopic unit 10 is hinged is provided with location Pin 12, the lower end of alignment pin 12 is fixedly installed togather with guide runner 7;It is distributed on the top of each rhombus telescopic unit 10 Bird-resistant installing hole 9.
Rhombus telescopic unit 10 easy accessibility connected by connecting pin 11;Can increase according to on-the-spot actually used situation Subtract rhombus telescopic unit 10, use more flexible.
As shown in Figure 3, rhombus telescopic unit 10 includes left back connecting rod 13, right front rod 14, right back link 15 and left front Connecting rod 16;Left back connecting rod 13 is isometric and parallel with right front rod 14;Right back link 15 is isometric and parallel with left front connecting rod 16;Left back It is installed together by hinge between connecting rod 13 and right back link 15, between right front rod 14 and left front connecting rod 16, passes through pin Axle is hingedly mounted on together.
During use, when rhombus telescopic unit 10 is by guide runner 7 pull strength to the right, left back connecting rod 13 connects behind the right side Between bar 15, and can be around bearing pin rotatable elongate between right front rod 14 and left front connecting rod 16;When rhombus telescopic unit 10 is subject to During the pull strength to the left of guide runner 7, between left back connecting rod 13 and right back link 15, and right front rod 14 and left front connecting rod Can be around bearing pin rotating shrinking between 16;Thus realize expanding-contracting action.
As shown in Figure 3, in order to increase bird-resistant installation region, make protective range wider, after left back connecting rod 13 with the right side On bearing pin between connecting rod 15, the hinged backspin that is provided with is folded in the lower section of left back connecting rod 13 or upper rotation is expanded to right back link 15 Extended line on left back extension bar 17, the overlay segment between left back extension bar 17 and right back link 15 is provided with location hole, The pin 19 that left back extension bar 17 can be launched location it is provided with in hole, location;Anti-bird is distributed on the top of left back extension bar 17 Thorn installing hole 9;Or/and,
On bearing pin between left back connecting rod 13 and right back link 15, the hinged backspin that is provided with is folded in right back link 15 times Square or upper rotation is expanded to extension bar 18 behind the right side on left back connecting rod 13 extended line, behind the right side between extension bar 18 and left back connecting rod 13 Overlay segment be provided with hole, location, be provided with in hole, location can by the right side after extension bar 18 surely launch the pin 19 of position;Add behind the right side The top of stock 18 is distributed bird-resistant installing hole 9;
Or/and, on the bearing pin between left front connecting rod 16 and right front rod 14 hinged be provided with can on rotation be folded in left front Below connecting rod 16 or backspin is expanded to the left front extension bar 20 on right front rod 14 extended line, connect before the right side at left front extension bar 20 Overlay segment between bar 14 is provided with hole, location, is provided with the pin 19 that left front extension bar 20 can launch location in hole, location, Bird-resistant installing hole 9 is distributed on the top of left front extension bar 20;
Or/and, on the bearing pin between left front connecting rod 16 and right front rod 14 hinged be provided with can on rotation be folded in the right side before Below connecting rod 14 or backspin be expanded on left front connecting rod 16 extended line right before extension bar 21, extension bar 21 and left front company before the right side Overlay segment between bar 16 be provided with location hole, location hole in be provided with can by the right side before extension bar 21 launch location pin 19; Before the right side, the top of extension bar 21 is distributed bird-resistant installing hole 9.
As shown in accompanying drawing 1,2, wind wheel organization uses bird dispelling wind wheel organization;Bird dispelling wind wheel organization includes axle sleeve 22, fan blade bar 24 and reflective wind bowl 23;Top extenal fixation at vertical axis 3 has axle sleeve 22, and on axle sleeve 22, circumference is installed with at least three Fan blade bar 24, is respectively fixed with reflective wind bowl 23 in the outer end of fan blade bar 24;Reflective wind bowl 23 is built-in with illuminator 25.Reflective wind Bowl 23 can rotate under the driving of wind-force, can not only drive birds, additionally it is possible to is driven by fan blade bar 24 and axle sleeve 22 and hangs down D-axis 3 rotates, output mechanical energy;In addition, its internal illuminator 25, to different directions reflected sunlight, is afraid of according to birds The feature of light, probably color, particularly fears the principle of flash of light, and the effect driven by birds improves effect on driving birds further.
As required, on the spherical outside surface of reflective wind bowl 23, stationary distribution has the illuminator 25 in regular pentagon;Or/and, instead On the spherical outside surface of light wind bowl 23, stationary distribution has in orthohexagonal illuminator 25.So can increase on reflective wind bowl 23 is anti- Light microscopic 25 coverage rate, increases the reflected range of light, improves effect on driving birds.
As shown in Figure 2, the installation for convenience of slide rail 5 is fixed, in the left part lower end of slide rail 5 and the right part lower end of slide rail 5 It is respectively fixed with mounting base 26, mounting base 26 is respectively equipped with slide rail fixing hole 27.
As shown in Figure 1, the bottom of guide runner 7 is provided with scroll wheel 28.Scroll wheel 28 can reduce guide runner 7 with Frictional resistance between slide rail 5, it is ensured that the driving force of wind wheel organization can drive rhombus expansion bracket 6 to stretch and move back and forth, and makes shifting Dynamic more flexible.
As required, it is installed with bird-resistant at bird-resistant installing hole 9 by screw bolt and nut.Bird-resistant uses existing Well-known components;In view of the characteristic of the inconvenience transport of bird-resistant, bird-resistant can be installed after reaching the spot again;And can be as required Select to install the quantity of bird-resistant, more flexible practicality.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal enforcement Effect, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.

Claims (10)

1. a pneumatic scarer, it is characterised in that include wind wheel base, vertical axis, wind wheel organization, crank, slide rail, rhombus Expansion bracket, guide runner and connecting rod;It is provided with at the middle part of wind wheel base and front and back runs through and opening is towards left U-lag, on U-lag The vertical axis that can rotate is installed on the wind wheel base of side, fixedly mounts the wind turbine that can horizontally rotate on the top of vertical axis Structure;Being installed with crank in the lower end of vertical axis, crank is positioned at U-lag;Wind wheel base left end on the downside of U-lag is fixed Having slide rail, be provided with the rhombus expansion bracket that can move back and forth along slide track telescopic on slide rail, the left end of rhombus expansion bracket is fixed on On slide rail;The right-hand member of rhombus expansion bracket is provided with the guide runner that can move left and right along slide rail, logical between guide runner and crank Cross connecting rod to be installed together;Bird-resistant installing hole is distributed on the top of rhombus expansion bracket.
Pneumatic scarer the most according to claim 1, it is characterised in that rhombus expansion bracket includes that at least one rhombus is stretched Contracting unit, connecting pin and alignment pin;Neighboring diamonds telescopic unit is hingedly mounted on together by connecting pin;The rhombus of left end stretches The hinged alignment pin that is provided with of the left end of unit, alignment pin is fixed on the left end of slide rail;The right-hand member of right-hand member rhombus telescopic unit is hinged Being provided with alignment pin, the lower end of alignment pin is fixedly installed togather with guide runner;Divide on the top of each rhombus telescopic unit It is furnished with bird-resistant installing hole.
Pneumatic scarer the most according to claim 2, it is characterised in that before rhombus telescopic unit includes left back connecting rod, the right side Connecting rod, right back link and left front connecting rod;Left back connecting rod is isometric with right front rod and parallel;Right back link and left front connecting rod isometric and Parallel;It is installed together by hinge between left back connecting rod and right back link, passes through between right front rod and left front connecting rod Hinge is installed together.
Pneumatic scarer the most according to claim 3, it is characterised in that the bearing pin between left back connecting rod and right back link Upper the most hinged the left back lengthening that backspin is folded in the lower section of left back connecting rod or upper rotation is expanded on the extended line of right back link is installed Bar, the overlay segment between left back extension bar and right back link is provided with hole, location, and being provided with in hole, location can be by left back lengthening Bar launches the pin of location;Bird-resistant installing hole is distributed on the top of left back extension bar;
Or/and, on the bearing pin between left back connecting rod and right back link hinged be provided with backspin be folded in below right back link or Upper rotation is expanded to extension bar behind the right side on left back connecting rod extended line, sets behind the right side on overlay segment between extension bar and left back connecting rod Have hole, location, be provided with in hole, location can by the right side after extension bar surely launch the pin of position;Behind the right side, the top of extension bar is distributed Bird-resistant installing hole;
Or/and, on the bearing pin between left front connecting rod and right front rod hinged be provided with can on revolve and be folded in below left front connecting rod Or backspin is expanded to the left front extension bar on right front rod extended line, on the overlay segment between left front extension bar and right front rod It is provided with hole, location, in hole, location, is provided with the pin that left front extension bar can be launched location, is distributed on the top of left front extension bar There is bird-resistant installing hole;
Or/and, on the bearing pin between left front connecting rod and right front rod hinged be provided with can on revolve and be folded in below right front rod Or backspin be expanded on left front connecting rod extended line right before extension bar, before the right side on overlay segment between extension bar and left front connecting rod Be provided with location hole, location hole in be provided with can by the right side before extension bar launch location pin;The top distribution of extension bar before the right side There is bird-resistant installing hole.
5. according to the pneumatic scarer described in claim 1 or 2 or 3 or 4, it is characterised in that wind wheel organization uses bird dispelling wind wheel Mechanism;Bird dispelling wind wheel organization includes axle sleeve, fan blade bar and reflective wind bowl;Top extenal fixation at vertical axis has axle sleeve, at axle sleeve Upper circumference is installed with at least three fan blade bar, is respectively fixed with reflective wind bowl in the outer end of fan blade bar;Reflective wind bowl is built-in There is illuminator.
Pneumatic scarer the most according to claim 5, it is characterised in that on the spherical outside surface of reflective wind bowl there be stationary distribution Illuminator in regular pentagon;Or/and, on the spherical outside surface of reflective wind bowl, stationary distribution has in orthohexagonal illuminator.
7. according to the pneumatic scarer described in claim 1 or 2 or 3 or 4 or 6, it is characterised in that the left part lower end of slide rail and The right part lower end of slide rail is respectively fixed with mounting base, is respectively equipped with slide rail fixing hole on mounting base;Or/and, guide sliding The bottom of block is provided with scroll wheel.
Pneumatic scarer the most according to claim 5, it is characterised in that under the left part lower end of slide rail and the right part of slide rail End is respectively fixed with mounting base, is respectively equipped with slide rail fixing hole on mounting base;Or/and, the bottom of guide runner is installed There is scroll wheel.
9. according to the pneumatic scarer described in claim 1 or 2 or 3 or 4 or 6 or 8, it is characterised in that bird-resistant installing hole leads to Cross screw bolt and nut and be installed with bird-resistant.
Pneumatic scarer the most according to claim 7, it is characterised in that bird-resistant installing hole is solid by screw bolt and nut Dingan County is equipped with bird-resistant.
CN201620711555.1U 2016-07-07 2016-07-07 Pneumatic scarer Active CN205794624U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107711821A (en) * 2017-11-30 2018-02-23 国网河南省电力公司平顶山供电公司 A kind of intelligent scarer of electric power network with reciprocating motion function
CN111742914A (en) * 2020-07-07 2020-10-09 周邦成 Bird repellent device for electric power system based on wind-force
CN112056300A (en) * 2020-09-11 2020-12-11 国网新疆电力有限公司阿勒泰供电公司 Dynamic bird repelling device for power distribution network
CN115486436A (en) * 2022-10-28 2022-12-20 国网山东省电力公司济南市历城区供电公司 Cross arm bird repellent device
CN117016527A (en) * 2023-10-09 2023-11-10 国网江苏省电力有限公司灌云县供电分公司 Ecological bird repellent device of transmission line shaft tower

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107711821A (en) * 2017-11-30 2018-02-23 国网河南省电力公司平顶山供电公司 A kind of intelligent scarer of electric power network with reciprocating motion function
CN111742914A (en) * 2020-07-07 2020-10-09 周邦成 Bird repellent device for electric power system based on wind-force
CN112056300A (en) * 2020-09-11 2020-12-11 国网新疆电力有限公司阿勒泰供电公司 Dynamic bird repelling device for power distribution network
CN115486436A (en) * 2022-10-28 2022-12-20 国网山东省电力公司济南市历城区供电公司 Cross arm bird repellent device
CN115486436B (en) * 2022-10-28 2023-09-15 国网山东省电力公司济南市历城区供电公司 Cross arm bird repellent device
CN117016527A (en) * 2023-10-09 2023-11-10 国网江苏省电力有限公司灌云县供电分公司 Ecological bird repellent device of transmission line shaft tower
CN117016527B (en) * 2023-10-09 2024-03-01 国网江苏省电力有限公司灌云县供电分公司 Ecological bird repellent device of transmission line shaft tower

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