CN219047143U

CN219047143U - Self-operated rotary bird-preventing spacer

Info

Publication number: CN219047143U
Application number: CN202222979657.XU
Authority: CN
Inventors: 贾鲁斌; 程卫星; 王刚; 孟宪河; 王秀芳; 谢立成; 闫德刚
Original assignee: Shengli Oilfield Luming Oil And Gas Exploration And Development Co ltd; China Petroleum and Chemical Corp
Current assignee: Shengli Oilfield Luming Oil And Gas Exploration And Development Co ltd; China Petroleum and Chemical Corp
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-05-23
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a self-operated rotary bird-preventing placeholder and an installation device thereof, wherein the self-operated rotary bird-preventing placeholder comprises a rotary drum, a bracket and a fixing mechanism, the rotary drum is arranged on the bracket through a rotating shaft of the rotary drum, and the bracket is connected with the fixing mechanism; the outer surface of the rotary drum is provided with a reflector strip, and meanwhile, the rotary drum is internally provided with a bell; the fixing mechanism is provided with a limiting groove which can be matched with the self-operated rotary mounting device. The utility model eliminates the occurrence of tripping accidents of the circuit breaker of the power system caused by nesting, moving and defecating of birds on the circuit towers. The separation of the bird-preventing placeholder and the mounting device is realized, and the purpose of electrified mounting is realized.

Description

Self-operated rotary bird-preventing spacer

Technical Field

The utility model relates to the technical field of bird prevention of high-voltage power transmission and distribution line towers, in particular to a self-operated rotary bird-preventing placeholder and an installation device thereof.

Background

With the continuous deep development concept of the national green, the environmental protection is highly valued, the bird protection consciousness of citizens loving birds is continuously enhanced, the living space of birds is greatly improved, the nesting of birds on the transmission line towers is also gradually increased, and great threat is brought to the safe operation of various transmission and distribution lines. Especially in peak period of bird colony and nesting, the electric power system breaker tripping accident caused by bird nesting, activity and defecation on the cross arm of the power transmission and distribution line is increased continuously, so that great harm is caused to the power transmission and distribution line, the problem of bird damage becomes a difficult problem of threatening the safe operation of a power grid, and the influence caused by bird damage is reduced until eradication is unprecedented.

The existing arc-shaped protective shell bird repellent device has the problems of poor bird repellent effect, inconvenient adjustment, installation and disassembly, poor applicability and the like; the acoustic, optical and electric bird prevention device has the defects of high manufacturing cost, easy damage, need to replace batteries regularly and the like; the spike bird preventing device is inconvenient to install and causes a certain harm to installers and birds. Therefore, a novel bird-preventing spacer is provided to solve the problems.

At present, a bird-preventing placeholder is provided:

application number: 202020411376.2 the utility model provides an anti-bird placeholder which is fixed on a power transmission and distribution line pole and comprises an arc-shaped first protective shell and an arc-shaped second protective shell, wherein the first protective shell and the second protective shell are installed on the power transmission and distribution line pole through an installation structure, one end of the first protective shell, which is far away from the second protective shell, is provided with a fixing groove which is clamped with the power transmission and distribution line pole, one end of the second protective shell, which is far away from the first protective shell, is a closed end, and the second protective shell is in sliding connection with the first protective shell. According to the bird-preventing spacer provided by the utility model, the first protective shell and the second protective shell are connected in a sliding manner, so that the length of the whole bird-preventing spacer can be adjusted, the bird-preventing spacer can adapt to various different working conditions, the fixed slot can be coated on the power transmission and distribution line pole, the first protective shell and the second protective shell at the closed end and the side edge are both closed, the entering of birds can be isolated, and the length can be adjusted according to requirements.

The device is only suitable for the double cross arms of the wire pole, can not be installed at the positions of the single cross arm and the wire tower of the wire pole, and has poor applicability. Birds can still stand and stay on the bird preventing device, and the bird nest is continuously erected at the tail end of the bird preventing device, so that the bird preventing effect is not ideal.

In addition, there are several bird spacer devices:

application number: 201320297779.9 an anti-bird placeholder, includes unable adjustment base, its characterized in that: the fixing base upper portion be equipped with the fixed column of fixed bird silk of preventing, the fixed column install at fixing base both ends, the fixed column between be equipped with the cooperation and prevent the wire winding post that bird silk encircleed. The utility model provides a fixed base be equipped with 2-6, fix respectively on the transmission frame, fixed column upper portion be equipped with the recess, the recess in the middle of be equipped with the fixed orifices of preventing the bird silk, fixed column top terminal surface in the middle of be equipped with the fixed set screw of preventing the bird silk, will prevent that the bird silk is fixed, wire winding column upper portion be equipped with the cooperation and prevent the surrounding groove that the bird silk encircleed, the wire winding of preventing pass the fixed orifices, fix on the fixed column, wire winding is carried out between 2-6 fixed base through wire winding column to form the occupation area, protection circuit.

The following drawbacks still exist:

the device is complicated to install and is not easy to operate. Birds can still do the nest on the occupation area that wire winding post and anti-bird silk formed, and the existence of anti-bird silk is more favorable to birds to construct the nest with branch and iron wire, prevents that the bird effect is poor.

Application number: 202020743221.9 an anti-bird placeholder for transmission line, including anti-bird placeholder body, anti-bird placeholder body is including installing the circular plate on the transmission line, the circular plate includes first semicircle board and second semicircle board, be equipped with same hinge between first semicircle board and the second semicircle board, first semicircle board and second semicircle board pass through hinge rotation installation, one side movable contact that first semicircle board and second semicircle board are close to each other, one side that first semicircle board and second semicircle board kept away from each other is equal fixed mounting has a plurality of anti-bird nails, the semicircle groove that front side and rear side were the opening setting is all seted up to one side that first semicircle board and second semicircle board are close to each other, an installing hole is constituteed to two semicircle grooves, the arc hole has been seted up to the front side of first semicircle board, fixed mounting has gravity sensor on the top inner wall in the arc hole, from left to right fixed mounting in proper order on the bottom inner wall in arc hole has the singlechip, the push rod motor, first copper sheet and speaker, the right-hand member fixed mounting of push rod motor has the second, the second is located between push rod motor copper sheet and the first copper sheet, the push rod, the equal electric connection of gravity sensor.

The following drawbacks still exist:

the device has a complex structure, high processing and manufacturing cost, and the used storage battery is easy to damage in the field, and needs to be regularly maintained and maintained, so that the labor cost is increased.

201320219986.2 an anti-bird placeholder for a power transmission line comprises a placeholder panel and a fixed support, wherein a plurality of nail penetrating holes with different sizes are formed in the placeholder panel, a groove is formed in the lower end face of the placeholder panel, a bottom plate is correspondingly arranged below the placeholder panel, the placeholder panel and the bottom plate are hinged to each other through hinges, and the fixed support is fixedly arranged below the bottom plate. The bird-preventing placeholder is fixed on the electric power iron tower cross arm through a fixed support on the bottom plate, and the spike space formed by the panel of the placeholder just occupies the space easy to nest by birds, so that the birds cannot nest in the spike space.

The following drawbacks still exist:

the device uses the spike to cause injury to operating personnel and birds easily to easy corrosion damage under the metal spike field environment, lose the effect of preventing the bird, need frequent change.

Application number: 201720109963.4 an anti-bird placeholder with expelling function comprises a placeholder body, wherein the placeholder body is a rectangular structure which is horizontally arranged, extends along the length direction of a cross arm, and is formed by a strip-shaped bottom plate and a top cover which is packaged on the strip-shaped bottom plate and has an arc-shaped section, one end of the placeholder body is provided with a semicircular notch which is matched with the outline shape of a wire rod; at least one U-shaped clamp which can be clamped at the edge of the cross arm is respectively and slidably arranged at two side parts of the bottom surface of the strip-shaped bottom plate, and a locking bolt which can be fixed at the edge of the cross arm is arranged on the U-shaped clamp; the novel solar energy collector is characterized in that a vent hole is formed in the strip-shaped bottom plate at the other end of the placeholder body, a strip-shaped reflecting strip is arranged on the upper plane of the top cover and corresponds to the vent hole, two round holes are formed in one side of the strip-shaped reflecting strip and the upper plane of the top cover close to the semicircular notch end, a transverse shaft is arranged in the round holes, and a wafer capable of rotating along the shaft is arranged on the transverse shaft.

The following drawbacks still exist:

the device is only suitable for the double cross arms of the wire pole, can not be installed at the positions of the single cross arm and the wire tower of the wire pole, and has poor applicability. The wafer reflection type bird repellent device is easy to generate adaptability, birds are not afraid, can still stand and stay on the bird repellent device, and the bird nest is continuously erected at the tail end of the bird repellent device, so that the bird repellent effect is not ideal.

Application number: 201620971130.4 the utility model discloses a dead-angle-free bird-preventing placeholder, which consists of a placeholder which is mutually separated and can be combined together and two identical placeholder supports, wherein the placeholder comprises a rod-shaped trunk, a plurality of bird thorns, the roots of the bird thorns are fixed on the side wall of the rod-shaped trunk, and the bird thorns are outwards dispersed in different angles and are like a wolf tooth rod; each placeholder support comprises a U-shaped clamping plate, bolts, a supporting rod, a U-shaped support and pins, wherein the placeholder supports are fixed on the horizontal plane of the angle steel of the tower cross arm, the pins horizontally penetrate through the U-shaped support to press the rod-shaped trunk on the U-shaped support, and the placeholders and the two placeholder supports are fixed into a whole. The placeholder is made of hard material, so that the placeholder becomes a hard wolf tooth bar-shaped placeholder. The bird-preventing device has the advantages of preventing birds from nesting by utilizing the space at the hanging point of the insulator string, protecting the space in all directions, rapidly dismantling and installing the bird-preventing device and reducing the influence of the bird-preventing device on maintenance work

The following drawbacks still exist:

the device uses to prevent that bird thorn causes injury to operating personnel and birds easily to rust easily under the metal spike field environment and damage, lose the effect of preventing the bird, need frequent change.

Application number: 201710255711.7 the utility model discloses a novel anti-bird placeholder, which comprises a fixing mechanism and a disc mechanism, wherein the fixing mechanism comprises an anti-bird guard plate, a front baffle plate, bolt holes and threaded holes, the disc mechanism comprises a fixing connecting plate and studs, the fixing mechanism is connected with the bolt holes through bolts to fix the fixing mechanism on cross arm tips of a telegraph pole, the anti-bird guard plate of the fixing mechanism is trapezoid, the bottom end of the anti-bird guard plate is longitudinally provided with grooves, the grooves are connected with angle irons, two sides of the anti-bird guard plate are uniformly provided with a plurality of ventilation openings, the bottom end of the anti-bird guard plate is provided with a plurality of nut holes, four corners of the bottom end of the anti-bird guard plate are respectively welded with a connecting plate, the top end of the anti-bird guard plate is provided with the threaded holes, the disc mechanism is connected with the fixing mechanism, the fixing connecting plate of the disc mechanism is welded with the studs, the studs are connected with the threaded holes of the anti-bird guard plate, and the front end of the anti-bird guard plate is connected with the front baffle plate, so that the birds are simply and practically prevented from nesting on the wires.

The following drawbacks still exist:

the device is complicated to install and is not easy to operate. Birds can still nest on the trapezoidal occupation area of preventing the bird backplate, and the existence of preventing the bird silk is more favorable to birds to construct the nest with branch and iron wire, prevents bird effect poor.

The existing bird-preventing placeholder devices for the high-voltage power grid transmission and distribution line towers are various, but the defects of high manufacturing cost, complex structure, frequent maintenance, unsatisfactory bird-preventing effect, easy occurrence of faults, damage to birds and the like exist generally, and improvement is still needed.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the self-operated rotary bird-preventing placeholder and the installation device thereof, which prevent birds from nesting, moving and defecating on a circuit tower to cause tripping accidents of a circuit breaker of a power system. The separation of the bird-preventing placeholder and the mounting device is realized, and the purpose of electrified mounting is realized.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the self-operated rotary bird-preventing placeholder comprises a rotary drum, a bracket and a fixing mechanism, wherein the rotary drum is arranged on the bracket through a rotating shaft of the rotary drum, and the bracket is connected with the fixing mechanism;

the outer surface of the rotary drum is provided with a reflector strip, and meanwhile, the rotary drum is internally provided with a bell;

the fixing mechanism is provided with a limiting groove which can be matched with the self-operated rotary mounting device.

The fixing mechanism is a C-shaped clamp, the upper end plate of the C-shaped clamp is provided with a limiting groove, and the lower end plate of the C-shaped clamp is provided with a fastening bolt.

The self-operated rotary mounting device comprises an insulating rod, a plug and a hexagonal sleeve;

the plug can be correspondingly inserted into the limit groove, the lower end of the plug is provided with a connecting plate, the connecting plate is provided with a through hole, the upper end of the insulating rod is provided with a reducing section, and the reducing section penetrates into the through hole of the connecting plate;

the hexagonal sleeve is arranged at the upper end of the reduced section at the upper end of the insulating rod and is matched with the fastening bolt of the C-shaped clamp.

The lower end of the diameter-reduced section at the upper end of the insulating rod is connected with the insulating rod through a wire sleeve.

The reducing section of insulator spindle upper end still overlaps and is equipped with compression spring, compression spring upper end withstands the spacing platform of hexagon sleeve outer wall, and the lower extreme withstands the connecting plate.

The diameter-reducing section at the upper end of the insulating rod is also sleeved with a lower compression spring, the upper end of the lower compression spring props against the connecting plate, and the lower end of the lower compression spring props against the wire sleeve.

The lower end of the plug is provided with a magnet embedded in the outer surface of the plug.

the mounting device for the self-operated rotary bird-preventing placeholder comprises an insulating rod, a plug and a hexagonal sleeve;

a hexagonal sleeve is arranged at the upper end of the reduced section at the upper end of the insulating rod, and the hexagonal sleeve is matched with a fastening bolt of the C-shaped clamp;

the lower end of the diameter-reduced section at the upper end of the insulating rod is connected with the insulating rod through a wire sleeve; the lower end of the plug is provided with a magnet embedded in the outer surface of the plug.

The diameter-reducing section at the upper end of the insulating rod is also sleeved with an upper compression spring, the upper end of the upper compression spring props against the limit table on the outer wall of the hexagonal sleeve, and the lower end of the upper compression spring props against the connecting plate; the diameter-reducing section at the upper end of the insulating rod is also sleeved with a lower compression spring, the upper end of the lower compression spring props against the connecting plate, and the lower end of the lower compression spring props against the wire sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

the section of the rotating drum of the bird-preventing placeholder is circular, and the radial and uniform distribution of the long-strip-shaped reflector strips on the circumferential surface. The rotary drum is internally provided with a small bell, and sounds are generated when the rotary drum rotates, so that the bird repelling effect is further improved through acousto-optic interference.

The placeholder is firmly arranged on the cross arm through the C-shaped clip. The diameter of the rotary drum occupies the space of the cross arm where birds are required to stay, so that birds are prevented from staying on the cross arm, and the bird preventing effect is good.

The U-shaped plug of the installation device is inserted into the limit groove of the bird-preventing placeholder, meanwhile, the hexagonal sleeve is sleeved into the fastening bolt head, and the bird-preventing placeholder is connected with the installation device by means of the elasticity of the upper compression spring. Through lifting the bird-preventing placeholder to the place where the electric pole cross arm is installed at the insulating rod, the insulating rod is rotated to drive the fastening bolt to rotate, so that the bird-preventing placeholder is firmly installed on the electric pole cross arm. The insulation rod is pulled down, the six-connecting sleeve is separated from the fastening bolt head, the insulation rod is translated, the U-shaped plug is separated from the limit groove of the anti-bird spacer, the separation of the anti-bird spacer and the installation device is realized, and the purpose of electrified installation is realized.

The bird repellent device achieves the aim of repelling birds through rotation of the rotary drum and acousto-optic interference, has a good bird repellent effect, and does not harm operators and birds. The novel electric installation device has the advantages of reasonable structure, reliable principle, small processing difficulty and low cost, can process the placeholder combination with corresponding length and diameter according to the shape and the size of the nest part which is easy to be made by various circuit pole tower devices, can perform live installation operation, has strong applicability, and has obvious economic benefit and social benefit.

Drawings

FIG. 1 is a schematic view of a self-powered rotary anti-bird spacer;

FIG. 2 is a schematic view of a rotating drum structure of a self-powered rotary bird-preventing spacer;

FIG. 3 is a schematic structural view of a self-supporting rotary anti-bird spacer mounting device;

FIG. 4 is a schematic diagram of the assembly and installation of the self-powered rotary anti-bird spacer and its installation device.

Wherein: 1. the rotary drum, 1-1, reflector strips, 1-2, small bell, 1-3, a rotary shaft, 2, a bracket, 3, a limit groove, 4, a C-shaped clip, 5, a fastening bolt, 6, a U-shaped plug, 7, a hexagonal sleeve, 8, a limit baffle, 9, an upper compression spring, 10, a lower compression spring, 11 and an insulating rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

as shown in fig. 1 to 4, the self-operated rotary bird preventing placeholder of the embodiment comprises a rotary drum 1, a bracket 2 and a fixing mechanism, wherein the rotary drum is arranged on the bracket through a rotary shaft 1-3 of the rotary drum, and the bracket is connected with the fixing mechanism;

the outer surface of the rotary drum is provided with a reflector strip 1-1, and meanwhile, the rotary drum is internally provided with a bell 1-2;

the fixing mechanism is provided with a limiting groove 3 which can be matched with the self-operated rotary mounting device.

The fixing mechanism is a C-shaped clamp 4, a limiting groove is formed in the upper end plate of the C-shaped clamp, and a fastening bolt 5 is arranged on the lower end plate of the C-shaped clamp.

The self-operated rotary mounting device comprises an insulating rod 11, a plug and a hexagonal sleeve 7; the plug is a U-shaped plug 6.

The reducing section of insulator spindle upper end still overlaps and is equipped with compression spring 9, the limit table of hexagonal sleeve outer wall is withstood to compression spring upper end, and the limit table of hexagonal sleeve outer wall is limit baffle 8, and the lower extreme withstands the connecting plate.

The diameter-reducing section at the upper end of the insulating rod is also sleeved with a lower compression spring 10, the upper end of the lower compression spring props against the connecting plate, and the lower end of the lower compression spring props against the wire sleeve.

The self-operated rotary bird-preventing spacer mainly comprises five parts, namely a rotary drum, a bracket, a limiting groove, a C-shaped clip and a fastening bolt. The rotary drum is connected in series in the pivot, and rotation of rotary drum is realized to both cooperation, can prevent bird spacer installation quantity according to the size decision of tower cross arm, and the holistic length of bird spacer is prevented in arbitrary adjustment self-operated rotation. The circumferential surface of the rotary drum is radially and uniformly provided with 6 long reflecting mirror strips, and light is irregularly reflected. The inside of the rotary drum is of an empty drum structure, and is provided with 6 small bells, so that the rotary drum can emit harsh sounds when rotating, and the practical effect of the utility model is improved by utilizing the characteristic that birds fear light and fear sound.

The rotary drum be PVC material processing and form, have corrosion-resistant, insulating good, the advantage that the smoothness is high, under open-air natural environment, have fine adaptability to blow, sun-shine, drenching, can eliminate corrosion, ageing influence to the device to be favorable to prolonging the life of device.

The fastening bolt fastening part of the C-shaped clamp is in a hexagonal shape and matched with the hexagonal sleeve of the installation device, and the electrified installation of the bird-preventing placeholder can be realized by rotating the fastening bolt.

The limiting groove is a strip-shaped groove and is mainly used for preventing the bird placeholder from rotating when the bird placeholder is installed, the installation device rotates the C-shaped clamp fastening bolt, the U-shaped plug is matched with the limiting groove, and the bird placeholder is prevented from rotating.

The U-shaped plug lower extreme be equipped with embedded magnet at the surface, the magnet that sets up here is mainly in order to increase U-shaped plug pivoted damping to prevent to send the in-process of driving the bird ware upwards, U-shaped plug can drive and prevent that the bird from occupying the position ware and rotate easily, but singly increase magnet can not influence follow-up operation of twisting the insulating rod.

The spring is divided into an upper compression spring and a lower compression spring, the upper compression spring and the lower compression spring are arranged at the top of the insulating rod, and the hexagonal sleeve is connected with and separated from the fastening bolt through the elasticity of the spring.

The insulation rod is a segmented extension rod, the topmost end of the insulation rod is of a metal structure, connecting threads are arranged at the lower part of the insulation rod, the insulation rod is connected with the extension rod by means of male and female buckles of the threads, and the length of the extension rod can be adjusted according to the height of the cross arm of the electric pole.

The using method based on the device comprises the following steps: the U-shaped plug of the installation device is inserted into the limit groove of the bird-preventing placeholder, meanwhile, the insulation rod is pulled down, the upper compression spring is extended, the lower compression spring is shortened, the insulation rod is rotated to enable the hexagonal sleeve to be sleeved into the fastening bolt fastening part, the insulation rod is loosened, the spring is reset under the action of elastic force, and the bird-preventing placeholder is connected to the insulation rod through the installation device. The insulation rod is lengthened and then delivered to the position of the electric pole cross arm, the alignment cross arm angle iron is moved in, the insulation rod is rotated anticlockwise to drive the fastening bolt to rotate, and then the anti-bird spacer is firmly installed on the electric pole cross arm. The insulation rod is pulled down, the hexagonal sleeve moves downwards and is separated from the fastening bolt, the insulation rod is translated radially, the U-shaped plug of the installation device is separated from the limit groove of the anti-bird spacer, the installation device is separated from the anti-bird spacer, and the installation of the anti-bird spacer is completed.

Example 2:

as shown in fig. 1 to 4, the special self-operated rotary mounting device for the bird-preventing placeholder of the embodiment comprises an insulating rod, a plug and a hexagonal sleeve;

Example 3:

as shown in fig. 1 to 4, the self-operated rotary bird preventing placeholder of the embodiment comprises a rotary drum, a bracket and a fixing mechanism, wherein the rotary drum is arranged on the bracket through a rotating shaft of the rotary drum, and the bracket is connected with the fixing mechanism;

Although all of the above embodiments use fig. 1-4, it will be apparent to those skilled in the art that separate drawings are not provided to illustrate the embodiments, so long as the missing components or structural features are removed from the drawings. As will be clear to a person skilled in the art. Of course, the more components of the embodiment are just the optimal embodiment, the fewer components of the embodiment are basic embodiments, but the basic object of the utility model can be achieved, so all the modified embodiments are within the protection scope of the utility model.

All parts themselves which are not discussed in the present application and all parts connection modes in the present application belong to the known technology in the technical field. The preparation can be directly applied and is not repeated.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The self-operated rotary bird-preventing placeholder comprises a rotary drum, a bracket and a fixing mechanism, wherein the rotary drum is arranged on the bracket through a rotating shaft of the rotary drum, and the bracket is connected with the fixing mechanism;

the rotary drum is characterized in that the outer surface of the rotary drum is provided with a reflector strip, and meanwhile, the rotary drum is internally provided with a bell;

2. The self-powered rotary anti-bird spacer of claim 1 wherein the securing mechanism is a C-clip, an upper end plate of the C-clip is provided with a retaining groove, and a lower end plate of the C-clip is provided with a fastening bolt.

3. The self-contained rotary anti-bird spacer of claim 2, wherein the self-contained rotary mounting means comprises an insulating rod, a plug, a hexagonal sleeve;

4. The self-powered rotary bird-preventing spacer of claim 3, wherein the reduced diameter section of the upper end of the insulating rod is connected to the insulating rod by a wire sleeve.

5. The self-operated rotary bird-preventing placeholder according to claim 4, wherein the diameter-reducing section at the upper end of the insulating rod is further sleeved with an upper compression spring, the upper end of the upper compression spring is propped against the limit table on the outer wall of the hexagonal sleeve, and the lower end of the upper compression spring is propped against the connecting plate.

6. The self-powered rotary bird-preventing spacer of claim 5, wherein the reduced diameter section of the upper end of the insulating rod is further sleeved with a lower compression spring, the upper end of the lower compression spring is propped against the connecting plate, and the lower end of the lower compression spring is propped against the wire sleeve.

7. The self-powered rotating anti-bird spacer of claim 6, wherein the lower end of the plug is provided with a magnet embedded in the outer surface of the plug.