CN113699903B - Unmanned aerial vehicle shutdown platform for power transmission line instant intelligent disaster investigation - Google Patents

Abstract

The application discloses unmanned aerial vehicle that is used for real-time intelligent investigation of transmission line stops platform relates to unmanned aerial vehicle and uses and electric power detection technical field, including stopping the board, the periphery that stops the board articulates there is the upset apron of L shape, can get up stopping board and unmanned aerial vehicle protection. The shutdown platform comprises a shutdown flat plate, four sliding grooves are formed in the diagonal line of the shutdown flat plate in a through mode, and tensioning pins are arranged in the four sliding grooves in a penetrating mode in a sliding mode. Four racks are slidably arranged below the shutdown flat plate, and one end of each rack is connected with one end of each tensioning pin. The same elastic band is sleeved on the four tensioning pins. A motor support is fixedly arranged below the stopping flat plate, a motor is fixedly arranged at the bottom of the motor support, an output rotating shaft of the motor penetrates through the motor support and is connected with a gear, and the gear is meshed with the four racks respectively. The device is simple in structure, convenient to operate and easy to realize, and greatly saves the structure and cost of the device.

Description

Unmanned aerial vehicle shutdown platform for power transmission line instant intelligent disaster investigation

Technical Field

The application relates to the technical field of unmanned aerial vehicle application and electric power detection, in particular to an unmanned aerial vehicle shutdown platform for instant intelligent disaster exploration of power transmission lines.

Background

With the continuous improvement of comprehensive national strength and the vigorous development of economy and technology in China, the demand of China for conventional energy (such as electric energy) is still vigorous. However, according to the current electric energy supply and demand form of China, cities and areas with large electricity demand are not suitable for building power plants nearby, so that each power plant for generating electric energy needs to transmit electric energy to different cities and areas through transformer substations and power transmission lines at different levels, and the long-distance electric energy transmission brings hidden troubles to accidents. And because the environment of the transmission line is a field open place, the transmission line is easily affected by various factors to be damaged by strand breakage, abrasion, corrosion and the like, and if the transmission line cannot be repaired in time, once an accident occurs, great economic loss can be caused. Therefore, in order to ensure normal power transmission and power supply, regular inspection of the power transmission line is required.

The unmanned aerial vehicle is applied to the inspection of the power transmission line, not only can improve the routing inspection efficiency and save the cost, and moreover, the labor can be saved, and the inspection reliability is improved. Although at present, unmanned aerial vehicles are used for power transmission line inspection in the power industry, the unmanned aerial vehicles cannot get rid of personnel operation, particularly, automation of the processes of carrying, flying and landing recovery of the unmanned aerial vehicles cannot be realized, and the improvement of inspection efficiency is limited to a great extent. Therefore, how to realize the automation and the intellectualization of the process of flying and recovering the landing of the unmanned aerial vehicle, and providing position space and fixed protection for the carrying of the unmanned aerial vehicle is the first problem to be solved. The patent publication No. CN201810393857.2 of the invention for solving the problems discloses an automatic retraction device of an unmanned aerial vehicle for high-voltage transmission line inspection, which comprises a flap type closed box body capable of being automatically opened and closed, a central parking apron capable of being automatically lifted, a bidirectional push rod type clamping and fixing mechanism and a ground control system, wherein the bidirectional push rod type clamping and fixing mechanism is arranged on the central parking apron and the flap type closed box body. The unmanned aerial vehicle can land on a landing platform consisting of a liftable parking apron and a flap type bin gate more accurately by adopting a GPS and visual complementary positioning method and providing a double-pattern rapid identification and positioning algorithm. Although this public technique can realize that unmanned aerial vehicle receive and releases, the structure is more complicated, and the movable part is many, breaks down easily and with high costs, when unmanned aerial vehicle can't accurately descend, often can't accurately remove unmanned aerial vehicle to the central point that descends the platform put and the influence turns over the board action.

Disclosure of Invention

In order to solve the above problems, the present application is implemented by the following technical solutions:

an unmanned aerial vehicle shutdown platform for immediate intelligent disaster investigation of a power transmission line comprises a shutdown platform, wherein a turnover cover plate is hinged to the periphery of the shutdown platform;

the bottom of the stopping table is fixedly provided with a supporting leg; the supporting leg is used for supporting and stops the board and with whole device and the shaft tower fixed connection of power transmission line. The connection mode can adopt welding or fixing by using bolts. In this embodiment, the whole platform is fixed at the bottom center position of the tower and fixed by bolts and anchor ears. The equipment of being convenient for like this, unmanned aerial vehicle's taking off and land of also being convenient for moreover.

The shutdown platform comprises a shutdown flat plate, and the shutdown flat plate is made into a square structure by adopting a waterproof plate; the waterproof plate is made into a shutdown flat plate to prevent the deformation caused by wind, sunshine, influence it and (4) service life.

Four sliding grooves are formed in the stopping flat plate in a penetrating mode and are distributed in a radial mode towards four corners along the center of the stopping flat plate;

tensioning pins are respectively arranged in the four sliding grooves in a penetrating way in a sliding way;

four racks are slidably arranged below the shutdown flat plate, and one end of each rack is connected with one end of the tensioning pin;

the four racks are parallel to and correspond to the four sliding grooves respectively;

the same elastic band is sleeved on the four tensioning pins;

a motor bracket is fixedly arranged below the shutdown flat plate, a motor is fixedly arranged at the bottom of the motor bracket, an output rotating shaft of the motor penetrates through the motor bracket and is connected with the gear;

the gear is meshed with the four racks respectively;

the four racks are not on the same plane, and the four racks are mutually separated by 90 degrees;

the gear is located in the center of the shutdown flat plate. Before the unmanned aerial vehicle lands, the four turnover cover plates are opened to expose the stopping machine platform, the four racks move outwards to the limit position under the action of the motor and the gear, the tensioning pin on the rack is also positioned at the extreme position, and simultaneously, the elastic band is pulled to move around, and the space in the whole elastic band reaches the maximum state. Unmanned aerial vehicle descends to shutting down on the flat board, and be located the elasticity in-band, control motor clockwise rotation after that, the motor drives gear clockwise rotation, the gear drive with four rack inside movements on the coplanar rather than the meshing, the rack is under the combined action of motor and elastic cord, to the central removal of shutting down the flat board, because the elastic cord is wider, just can drive unmanned aerial vehicle's undercarriage to the central removal of shutting down the flat board, finally reach the purpose of aiming at the center. The structure is very simple, the operation is convenient, the realization is easy, and the structure and the cost of the device are greatly saved.

Preferably, the cross section of the turnover cover plate is of an L-shaped structure, and the turnover cover plate is provided with four turnover cover plates which are respectively positioned on four edges of the shutdown flat plate; the overturning cover plate can completely wrap the unmanned aerial vehicle to cover after being upwards rotated and closed. Just so can prevent that unmanned aerial vehicle from being exposed to the sun and drenching with rain, improve unmanned aerial vehicle's life.

The bottom of the turnover cover plate is fixedly connected with the shutdown flat plate through a hinge;

still be provided with the upset power device between shut down flat board and the upset apron, upset power device can upwards promote the realization upset with the upset apron along the hinge.

Preferably, the overturning power device comprises an electric telescopic rod, one end of the electric telescopic rod is connected with the shutdown flat plate, the other end is hinged with the turnover cover plate, and the turnover operation of the turnover cover plate can be realized through the extension or retraction of the electric telescopic rod. The electric telescopic rod is a common mature device, is simple to control, low in cost and reliable in work, and is very suitable for being used in the occasions.

Preferably, the length of the chute is greater than half the length of the shutdown plate. Only the spout is enough long, just can provide unmanned aerial vehicle's centering space more effectively.

Preferably, the motor is a dc brushless speed reduction motor having a speed reduction gear box. The direct-current brushless speed reducing motor is large in torque, long in service life and easy to control.

Preferably, the tensioning pin is of a cylindrical structure, a first convex ring is arranged in the middle of the tensioning pin, and the diameter of the first convex ring is larger than the groove width of the sliding groove; the top of tensioning pin is equipped with the second bulge loop, and this second bulge loop is used for preventing that the elastic cord from deviating from. The arrangement of the tensioning pin in a cylindrical configuration facilitates a reduction in friction and is also easy to guide.

Preferably, the landing gear of the unmanned aerial vehicle is made of a circular ring structure with a circular cross section;

the width of elastic cord is greater than the diameter of unmanned aerial vehicle's undercarriage. Such structure is convenient for unmanned aerial vehicle and is shutting down dull and stereotyped upper surface slip, and the elastic cord of also being convenient for reliably contacts with unmanned aerial vehicle's undercarriage.

Preferably, the elastic bands are made of a flat elastic TPU material.

Preferably, the shutdown flat plate and the turnover cover plate are both made of engineering plastics.

Preferably, the rack is in an L-shaped structure, and the end of the rack is fixedly connected with the tensioning pin.

The utility model provides an unmanned aerial vehicle that is used for real-time intelligent investigation of transmission line platform that stops, including stopping the board, the periphery that stops the board articulates there is the upset apron of L shape, can get up stopping board and unmanned aerial vehicle protection. Shut down the platform including shutting down the flat board, shut down and link up on the diagonal on the flat board and seted up four spouts, the tensioning round pin is worn to be equipped with in four spouts respectively in the slidable. The lower surface of the stop plate can four racks are arranged in a sliding way, one end of the rack is connected with one end of the tensioning pin. Four tensioning pins are sleeved on the same elastic band. A motor support is fixedly arranged below the stopping flat plate, a motor is fixedly arranged at the bottom of the motor support, an output rotating shaft of the motor penetrates through the motor support and is connected with a gear, and the gear is meshed with the four racks respectively. The device is simple in structure, convenient to operate and easy to realize, and greatly saves the structure and cost of the device.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the embodiment provided in the present application;

FIG. 2 is a front view of an embodiment provided herein;

FIG. 3 is a top view of an embodiment provided herein;

FIG. 4 is a bottom view of an embodiment provided herein;

FIG. 5 is a perspective view of another perspective of an embodiment provided herein;

FIG. 6 is an exploded view of a parking station according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of the spatial distribution of the rack and pinion in the embodiment provided in the present application;

fig. 8 is a schematic view of an embodiment of the present application in landing a drone on a platform;

fig. 9 is a schematic view of the flip cover plate flipping the closed loop according to the embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 9 in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 to 7, an unmanned aerial vehicle shutdown platform 1 for real-time intelligent disaster investigation of a power transmission line comprises a shutdown platform, wherein a turnover cover plate 11 is hinged to the periphery of the shutdown platform.

The shutdown platform comprises a shutdown flat plate 10, the shutdown flat plate 10 is of a square structure made of waterproof plates, and the shutdown flat plate 10 made of the waterproof plates can prevent wind from blowing and solarizing to cause deformation and influence the service life of the shutdown flat plate.

Four sliding grooves 100 are formed in the stopping flat plate 10 in a penetrating manner, and the sliding grooves 100 are long groove structures. The four chutes 100 are radially distributed (chutes are formed on diagonal lines) toward four corners along the center of the shutdown flat plate 10. Tension pins 101 are slidably inserted into the four sliding grooves 100, respectively. The tensioning pin 101 is a cylinder structure, a first convex ring is arranged in the middle of the tensioning pin 101, the diameter of the first convex ring is larger than the groove width of the sliding groove 100; the top of tensioning pin 101 is provided with a second protruding ring that prevents elastic band 107 from coming off. The tensioning pin 101 is arranged in a cylindrical configuration to facilitate reduced friction, but is also easily guided.

Four racks 102 are slidably arranged below the stop plate 10, the racks 102 are in an L-shaped structure, and the L-shaped end without teeth of the racks 102 is fixedly connected with the tensioning pin 101. Four racks 102 are parallel to and correspond to four sliding grooves 100, the same elastic band 107 is sleeved on four tensioning pins 101, and the elastic band 107 is made of flat elastic TPU materials.

A motor support 105 is fixedly arranged below the shutdown flat plate 10, a motor 106 is fixedly arranged at the bottom of the motor support 105, an output rotating shaft of the motor 106 penetrates through the motor support 105 and is connected with a gear 104, the gear 104 is meshed with four racks 102 respectively, the four racks 102 are not on the same plane, the four racks are spaced by 90 degrees, and the gear 104 is positioned at the center of the shutdown flat plate 10. The bottom of the stopping table is fixedly provided with supporting legs 12, and the supporting legs 12 are used for supporting the stopping table and fixedly connecting the whole device with a tower of a power transmission line. The connection mode can adopt welding or may be secured with bolts. In this embodiment, the whole platform is fixed at the bottom center position of the tower and fixed by bolts and anchor ears. The equipment of being convenient for like this, unmanned aerial vehicle's taking off and land of also being convenient for moreover.

The cross section of the turnover cover plate 11 is of an L-shaped structure, and the turnover cover plate 11 is provided with four blocks which are respectively positioned on four edges of the shutdown flat plate 10; the overturning cover plate 11 can completely cover the unmanned aerial vehicle after being upwards rotated and closed simultaneously. Just so can prevent that unmanned aerial vehicle from being exposed to the sun and drenching with rain, improve unmanned aerial vehicle's life. The bottom of the turnover cover plate 11 is fixedly connected with the shutdown flat plate 10 through a hinge; still be provided with the upset power device between shutting down flat board 10 and the upset apron 11, the upset power device can upwards promote upset realization with upset apron 11 along the hinge. The power device comprises an electric telescopic rod, one end of the electric telescopic rod is connected with the shutdown flat plate 10, the other end of the electric telescopic rod is hinged with the turnover cover plate 11, and the turnover operation of the turnover cover plate 11 can be realized through the extension or retraction of the electric telescopic rod. The electric telescopic rod is a common mature device, is simple to control, low in cost and reliable in work, and is very suitable for being used in the occasions.

Work by the principle is as follows: before unmanned aerial vehicle 2 descends, four upset apron 11 are opened and are exposed and stop the board, and under the effect of motor 106, gear 104, four racks 102 outwards move extreme position, and tensioning pin 101 on rack 102 also is located extreme position, and pulling elastic cord 107 simultaneously reaches the maximum state to removing all around, whole elastic cord 107 inside space. Unmanned aerial vehicle 2 descends to shutting down on dull and stereotyped 10, and be located elastic cord 107, control motor 106 clockwise rotation afterwards, motor 106 drives gear 104 clockwise rotation, gear 104 drives four racks 102 on the coplanar rather than the meshing inwards remove, rack 102 moves to the center of shutting down dull and stereotyped 10 under the combined action of motor and elastic cord 107, because elastic cord 107 is wider, just can drive unmanned aerial vehicle 2's undercarriage to the central removal of shutting down dull and stereotyped 10, finally reach the purpose of aiming at the center. After the alignment of the center is completed, the overturning power device pushes the overturning cover plate 11 upwards along the hinge to realize the overturning, and finally the closed loop form shown in fig. 8 is completed.

In one embodiment, the length of chute 100 is greater than half the length of shutdown plate 10. Only if the chute 100 is long enough, can the centering space of the drone be provided more effectively. The motor 106 is a dc brushless gear motor with a reduction gearbox. The direct current brushless speed reducing motor is adopted, so that the torque is large, the service life is long, and the control is easy. Landing gear of unmanned aerial vehicle 2 adopts cross section is made into a circular ring structure; the width of elastic band 107 is greater than the diameter of the landing gear of drone 2. Such a structure is convenient for unmanned aerial vehicle to be at the upper surface slip that shuts down dull and stereotyped 10, also is convenient for elastic cord 107 and unmanned aerial vehicle 2's undercarriage reliable contact. The shutdown flat plate 10 and the turnover cover plate 11 are both made of engineering plastics.

A unmanned aerial vehicle platform that stops for real-time intelligence investigation of transmission line is including stopping the board, and the periphery that stops the board articulates there is the upset apron of L shape, can get up stopping the board and unmanned aerial vehicle protection. Shut down the platform including shutting down the flat board, shut down and link up on the diagonal on the flat board and seted up four spouts, the tensioning round pin is worn to be equipped with in four spouts respectively in the slidable. Four racks are slidably arranged below the shutdown flat plate, and one end of each rack is connected with one end of each tensioning pin. The same elastic band is sleeved on the four tensioning pins. A motor support is fixedly arranged below the stopping flat plate, a motor is fixedly arranged at the bottom of the motor support, an output rotating shaft of the motor penetrates through the motor support and is connected with a gear, and the gear is meshed with the four racks respectively. The device is simple in structure, convenient to operate and easy to realize, and greatly saves the structure and cost of the device.

Claims (1)

1. An unmanned aerial vehicle parking platform (1) for immediate intelligent disaster investigation of a power transmission line is characterized by comprising a parking platform, wherein the periphery of the parking platform is hinged with a turnover cover plate (11);

the bottom of the stopping machine platform is fixedly provided with supporting legs (12);

the shutdown platform comprises a shutdown flat plate (10), and the shutdown flat plate (10) is made into a square structure by adopting a waterproof plate;

four sliding grooves (100) are formed in the stopping flat plate (10) in a penetrating mode, and the four sliding grooves (100) are distributed radially towards four corners along the center of the stopping flat plate (10);

tensioning pins (101) are respectively arranged in the four sliding grooves (100) in a penetrating manner in a sliding manner;

four racks (102) are slidably arranged below the shutdown flat plate (10), and one end of each rack (102) is connected with one end of each tensioning pin (101);

four racks (102) are respectively connected with four the sliding chutes (100) are parallel and corresponding to each other;

the same elastic band (107) is sleeved on the four tensioning pins (101);

a motor support (105) is fixedly arranged below the shutdown flat plate (10), a motor (106) is fixedly arranged at the bottom of the motor support (105), and an output rotating shaft of the motor (106) penetrates through the motor support (105) and is connected with the gear (104);

the gear (104) is meshed with the four racks (102) respectively;

the four racks (102) are not on the same plane, and are mutually separated by 90 degrees;

the gear (104) is positioned in the center of the shutdown flat plate (10);

the cross section of the turnover cover plate (11) is of an L-shaped structure, and the turnover cover plate (11) is provided with four blocks which are respectively positioned on four edges of the shutdown flat plate (10);

the bottom of the turnover cover plate (11) is fixedly connected with the shutdown flat plate (10) through a hinge;

a turnover power device is further arranged between the stopping flat plate (10) and the turnover cover plate (11), and the turnover power device can push the turnover cover plate (11) upwards along the hinge to realize turnover;

the overturning power device comprises an electric telescopic rod, one end of the electric telescopic rod is connected with the shutdown flat plate (10), the other end of the electric telescopic rod is hinged with the overturning cover plate (11), and overturning operation of the overturning cover plate (11) can be realized through extension or retraction of the electric telescopic rod;

the length of the sliding chute (100) is more than half of the length of the shutdown flat plate (10);

the motor (106) is a direct current brushless speed reducing motor with a speed reducing gear box;

the tensioning pin (101) is of a cylindrical structure, a first convex ring is arranged in the middle of the tensioning pin (101), and the diameter of the first convex ring is larger than the groove width of the sliding groove (100); the top of the tensioning pin (101) is provided with a second convex ring which is used for preventing the elastic band (107) from being separated;

the undercarriage of the unmanned aerial vehicle (2) is made of a circular ring structure with a circular cross section;

the width of the elastic band (107) is larger than the diameter of the landing gear of the unmanned aerial vehicle (2);

the elastic band (107) is made of flat elastic TPU material;

the shutdown flat plate (10) and the turnover cover plate (11) are both made of engineering plastics;

the rack (102) is of an L-shaped structure, and the end part of the rack is fixedly connected with the tensioning pin (101).

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