CN111106586B - A kind of cable deicing device for high-voltage power grid - Google Patents

Abstract

The invention discloses a cable deicing device for a high-voltage power grid, which can effectively ensure the reliability and the stability of walking and effectively improve the deicing efficiency by arranging a walking guide mechanism and a walking driving mechanism, simultaneously, the output end of the deicing mechanism is provided with a deicing cutter head, the disk surface of the deicing cutter head and the extension direction of a cable form an inclined included angle of more than 45 degrees, the deicing cutter head can oscillate and reciprocate towards the surface of the cable within a certain oscillation stroke range, the deicing cutter head can rotate around the center of the deicing cutter head, the deicing capability and the reliability are effectively improved, the influence on the cable is reduced, meanwhile, the reciprocating oscillation of the deicing cutter head can prevent the problem that the deicing force required during the rotation ice cutting under the fixed condition is larger, the deicing power is reduced, the deicing capability is improved, and the oscillation stroke of deicing of the invention can be effectively adjusted, the adaptability is improved, the deicing angle can be adjusted according to the requirement, and the deicing is ensured to be carried out in the optimal state.

Description

A kind of cable deicing device for high-voltage power grid

technical field

The invention particularly relates to a cable deicing device for a high-voltage power grid, which belongs to the technical field of deicing.

Background technique

For high-voltage power grids, because their erection is generally far away, most of them are located in wild areas. Under heavy snow and rain in winter, thick ice cubes tend to condense on the cables. Under the influence, it is easy to cause ice cubes to cause cables to break and other problems, thus causing safety hazards such as disconnection of the voltage grid. Therefore, in order to solve this problem, more and more deicing equipment is used. However, the current de-icing equipment generally uses hitting and other methods to achieve de-icing. This de-icing method causes great damage to the cable, and is prone to jamming, resulting in low reliability of de-icing and affecting de-icing. ice efficiency.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a cable deicing device for a high-voltage power grid, so as to solve the above-mentioned problems in the background art.

To achieve the above object, the present invention provides the following technical solutions:

A cable deicing device for a high-voltage power grid, comprising a main base, an opening and closing base, a walking guide mechanism, a walking driving mechanism and a deicing mechanism, wherein three groups of the walking driving mechanisms are arranged in a circular array at the front end of the main base, The rear end of the main base is provided with three groups of the walking guide mechanisms in a circular array. , so as to allow the cable to be de-iced to pass through the cable through slot and be positioned at the center of the three sets of travel guide mechanisms or travel drive mechanisms;

A deicing mechanism is arranged in the main base between the walking guide mechanism and the walking driving mechanism;

The output end of the de-icing mechanism is provided with a de-icing knife disk, the disk surface of the de-icing knife disk and the extension direction of the cable have an inclination angle greater than 45°, and the de-icing knife disk can oscillate within a certain range of stroke. The inner surface facing the cable oscillates back and forth, and the deicer disc is capable of rotational movement about its center.

Further, preferably, the middle and lower parts of at least one end of the main base are symmetrically provided with balance holes on both sides of the cable, and a first balance weight and a second balance are respectively embedded in the balance holes on both sides. The weight, the first counterweight and the second counterweight make the position of the center of gravity of the entire cable deicing device located just below the cable.

Further, preferably, each group of the walking guide mechanism includes an elastic support and a rough walking wheel, wherein an elastic support extending along its radial direction is connected to the inner wall of the main base, and the elastic support The rough running wheel is connected to the end of the running wheel, and the wheel wall of the rough running wheel is abutted and connected with the cable.

Further, preferably, both sides of the rough running wheel are provided with elastic limiting shoulders extending radially out of the wheel wall, and the wheel wall of the rough running wheel is provided with spaced wavy anti-skid grooves.

Further, preferably, each group of the traveling drive mechanism includes a plurality of elastic traveling supports, synchronous pulleys and driving synchronous belts, and a plurality of elastic traveling supports are arranged at intervals along the axial direction of the main base. The inner wall of the main base, and the synchronous pulleys are connected to the ends of each of the elastic walking supports, and the driving synchronous belt is wound around each of the synchronous pulleys, and the driving synchronous belt abuts on the The outer circumference of the cable is arranged, and one of the synchronous pulleys is driven to rotate by a traveling drive motor.

Further, preferably, the deicing mechanism includes an angle fixing base, a mounting plate, a fixed frame, an oscillating and swinging drive mechanism, a rotary drive motor and a drive spindle, wherein the mounting plate is fixed on one side of the angle fixing base , the mounting plate and the angle fixing base are both fixed on the main base, the output end of the angle fixing base is fixedly connected with a fixed frame, and one side of the fixed frame is provided with the oscillating swing A drive mechanism, the end of the oscillation swing drive mechanism is connected with an oscillation plate, the oscillation plate is provided with the rotary drive motor and the drive spindle, the rotation drive motor drives the drive spindle to rotate, and the deicer A disk is secured to the end of the drive spindle.

Further, preferably, the fixed frame is provided with an oscillating stroke opening slot, and the oscillating and oscillating drive mechanism includes an oscillating cylinder, a stroke adjustment telescopic column, and a oscillating rod seat, wherein the oscillating cylinder is fixed on the fixed frame. On one side of the oscillating cylinder, the output end of the oscillating cylinder is connected to the oscillating rod seat through the stroke adjustment telescopic column, and the oscillating rod seat passes through the opening groove of the oscillating stroke and is connected to the oscillating plate, and is connected to the oscillating plate through the The oscillating cylinder drives the oscillating rod seat to oscillate, thereby driving the oscillating movement of the oscillating plate.

Further, preferably, the fixed frame is a U-shaped structure, and the vibration plate is located inside the U-shaped structure, and the fixed frame is also provided with a swing accommodation for the drive spindle to pass through. groove.

Further, preferably, the stroke adjustment telescopic column is telescopically adjusted by means of screw connection, so as to adjust the oscillation amplitude of the oscillation plate by adjusting its length.

Further, preferably, one group of the three groups of travel guide mechanisms and one group of the central positions of the three groups of travel drive mechanisms are located just above the cables, and the deicing mechanisms are two groups, and are symmetrically arranged on On the main base, a plurality of ice falling through holes are densely arranged on the main base corresponding to the position of the deicing mechanism.

Compared with the prior art, the beneficial effects of the present invention are:

The invention provides a cable deicing device for a high-voltage power grid. By setting a walking guide mechanism and a walking driving mechanism, the reliability and stability of walking can be effectively ensured, and the deicing efficiency can be effectively improved. At the same time, the output of the deicing mechanism The end is provided with a de-icing knife plate, and the plate surface of the de-icing knife plate and the extension direction of the cable have an inclination angle greater than 45°, so that the de-icing knife plate can oscillate and reciprocate toward the surface of the cable within a certain oscillating stroke range. The ice cutter plate can rotate around its center, which can effectively improve the deicing ability and reliability, and reduce the influence on the cable. It can effectively reduce the power of deicing and improve the deicing ability. Moreover, the oscillation stroke of the deicing of the present invention can be effectively adjusted to improve the adaptability, and the deicing angle can also be adjusted according to the needs to ensure De-icing in the best condition.

Description of drawings

1 is a cross-sectional top view structural schematic diagram of a cable deicing device for a high-voltage power grid;

FIG. 2 is a schematic side sectional structure diagram of a walking guide mechanism in a cable deicing device for a high-voltage power grid.

3 is a front view of one side of the deicing mechanism of the present invention;

4 is a projection view of the other side of the deicing mechanism of the present invention;

Fig. 5 is a three-dimensional structural schematic diagram of one angle of the deicing mechanism of the present invention;

Fig. 6 is a three-dimensional structural schematic diagram of another angle of the deicing mechanism of the present invention;

7 is a schematic diagram of a rough traveling wheel structure of the deicing mechanism of the present invention;

Detailed ways

Referring to FIGS. 1 to 7 , in an embodiment of the present invention, a cable deicing device for a high-voltage power grid includes a main base 1 , an opening and closing base 2 , a walking guide mechanism 3 , a walking driving mechanism and a deicing mechanism 7 , wherein, The front end of the main base 1 is provided with three groups of the walking driving mechanisms in a circular array, and the rear end of the main base is provided with three groups of the walking guide mechanisms 3 in a circular array. The cable passes through the slot, and the cable passes through the opening and closing seat on the slot which can be opened and closed, so as to allow the cable 11 to be deiced to pass through the cable through slot and be positioned at the center of the three groups of travel guide mechanisms 3 or travel drive mechanisms ; A de-icing mechanism 7 is arranged in the main base between the walking guide mechanism 3 and the walking driving mechanism; the output end of the de-icing mechanism is provided with a de-icing knife disk 8, and the disk surface of the de-icing knife disk is connected to the The extension direction of the cable has an included angle of inclination greater than 45°, and the deicing blade plate can oscillate and reciprocate toward the surface of the cable within a certain oscillating stroke range, and the deicing blade plate can rotate around its center. .

In this embodiment, the middle and lower parts of at least one end of the main base are symmetrically provided with balance holes 12 on both sides of the cable, and first balance weights 5 are embedded in the balance holes 12 on both sides respectively. and the second balance weight 6, the first balance weight 5 and the second balance weight 6 make the position of the center of gravity of the entire cable deicing device located just below the cable.

Each group of the walking guide mechanisms 3 includes an elastic support 4 and a rough walking wheel 3 , wherein an elastic support extending along the radial direction is connected to the inner wall of the main base 1 . The end connection is provided with the rough running wheel, and the wheel wall of the rough running wheel is abutted and connected with the cable.

Both sides of the rough running wheel 3 are provided with elastic limiting shoulders extending radially out of the wheel wall, and the wheel wall of the rough running wheel is provided with spaced wavy anti-skid grooves 14 .

Each group of the traveling driving mechanism includes a plurality of elastic traveling supports 9, synchronous pulleys and driving synchronous belts 10, and a plurality of elastic traveling supports 9 are arranged along the axial direction of the main chassis and are arranged at intervals on the main chassis. The inner wall, and the ends of each of the elastic walking supports are connected with the synchronous pulleys, and the driving synchronous belts are wound around each of the synchronous pulleys, and the driving synchronous belts abut against the cables. The outer circumference is arranged, and one of the synchronous pulleys is driven to rotate by a traveling drive motor.

The deicing mechanism 7 includes an angle fixing base 23 , a mounting plate 16 , a fixing frame 21 , an oscillating and swinging drive mechanism, a rotary drive motor 15 and a drive spindle 17 , wherein the installation is fixed on one side of the angle fixing base. The mounting plate and the angle fixing base are both fixed on the main base, the output end 25 of the angle fixing base is fixedly connected with a fixed frame 21, and one side of the fixed frame is provided with a fixed frame 21. The oscillating and oscillating driving mechanism, the end of the oscillating and oscillating driving mechanism is connected with an oscillating plate 18, the oscillating plate is provided with the rotating driving motor 15 and the driving spindle 17, and the rotating driving motor drives the driving spindle to rotate , and the deicing blade disc 8 is fixed on the end of the drive spindle.

The fixed frame 21 is provided with an oscillating stroke opening slot 20, and the oscillating and oscillating driving mechanism includes an oscillating cylinder 13, a stroke adjusting telescopic column 24, and a oscillating rod seat 22, wherein the oscillating cylinder is fixed on the fixing frame. On one side of 21, the output end of the oscillating cylinder is connected to the swing rod seat through the stroke adjustment telescopic column, and the swing rod seat is connected to the oscillating plate through the opening groove of the oscillation stroke, and is connected to the oscillating plate through the The oscillating cylinder drives the oscillating rod seat to oscillate, thereby driving the oscillating movement of the oscillating plate.

In the present invention, the fixed frame 21 is a U-shaped structure, and the vibration plate is located inside the U-shaped structure. Swing accommodating groove 19 .

In this embodiment, the stroke adjustment telescopic column is telescopically adjusted by means of screw connection, so as to adjust the oscillation amplitude of the oscillation plate by adjusting its length.

Wherein, one group of the three groups of walking guide mechanisms 3 and one group of the center positions of the three groups of walking driving mechanisms are located directly above the cables, and the deicing mechanisms are two groups, and are symmetrically arranged on the On the main base 1, a plurality of ice falling through holes are densely arranged on the main base corresponding to the position of the deicing mechanism.

The invention provides a cable deicing device for a high-voltage power grid. By setting a walking guide mechanism and a walking driving mechanism, the reliability and stability of walking can be effectively ensured, and the deicing efficiency can be effectively improved. At the same time, the output of the deicing mechanism The end is provided with a de-icing knife plate, and the plate surface of the de-icing knife plate and the extension direction of the cable have an inclination angle greater than 45°, so that the de-icing knife plate can oscillate and reciprocate toward the surface of the cable within a certain oscillating stroke range. The ice cutter plate can rotate around its center, which can effectively improve the deicing ability and reliability, and reduce the influence on the cable. It can effectively reduce the power of deicing and improve the deicing ability. Moreover, the oscillation stroke of the deicing of the present invention can be effectively adjusted to improve the adaptability, and the deicing angle can also be adjusted according to the needs to ensure De-icing in the best condition.

The above are only preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. The equivalent replacement or modification of the solution and its inventive concept shall be included within the protection scope of the present invention.

Claims (9)

1. A cable deicing device for a high-voltage power grid comprises a main machine seat (1), an opening and closing seat (2), three traveling guide mechanisms (3), three traveling driving mechanisms and deicing mechanisms (7), wherein the three traveling driving mechanisms are arranged on the circumference of the front end of the main machine seat (1), and the three traveling guide mechanisms (3) are arranged on the circumference of the rear end of the main machine seat, and is characterized in that a cable passing groove is formed in the middle upper part of the main machine seat, the opening and closing seat can be opened and closed on the cable passing groove, so that a cable (11) to be deiced can pass through the cable passing groove and be positioned at the central positions of the three traveling guide mechanisms (3) or the traveling driving mechanisms;

a deicing mechanism (7) is arranged between the walking guide mechanism (3) and the walking driving mechanism in the main machine seat;

the output end of the deicing mechanism is provided with a deicing cutter (8), an inclined included angle of more than 45 degrees is formed between the disc surface of the deicing cutter and the extending direction of the cable, the deicing cutter can oscillate and reciprocate towards the surface of the cable within a certain oscillation stroke range, and the deicing cutter can rotate around the center of the deicing cutter;

the deicing mechanism (7) comprises an angle fixing base (23), a mounting plate (16), a fixing rack (21), a vibration and swing driving mechanism, a rotary driving motor (15) and a driving main shaft (17), wherein the mounting plate is fixed on one side of the angle fixing base, the mounting plate and the angle fixing base are both fixed on the main machine base, the output end (25) of the angle fixing base is fixedly connected with a fixing frame (21), one side of the fixed frame is provided with the oscillation and swing driving mechanism, the end part of the oscillation and swing driving mechanism is connected with an oscillation plate (18), the vibration plate is provided with the rotary driving motor (15) and a driving main shaft (17), the rotary driving motor drives the driving main shaft to rotate, and the deicing cutter head (8) is fixed at the end part of the driving main shaft.

2. A cable deicer for high-voltage electric networks according to claim 1, characterized in that: the middle lower part of at least one end of the main engine base is located balancing holes (12) symmetrically arranged on two sides of the cable, a first balancing weight (5) and a second balancing weight (6) are respectively embedded in the balancing holes (12) on the two sides, and the gravity center position of the whole cable line deicing device is located under the cable through the first balancing weight (5) and the second balancing weight (6).

3. A cable deicer for high-voltage electric networks according to claim 1, characterized in that: every group walking guiding mechanism (3) include elastic support (4) and coarse walking wheel (3), wherein, it is provided with the elastic support who extends along its radial direction to connect on the inner wall of host computer seat (1), elastic support's end connection is provided with coarse walking wheel, the wheel wall and the cable of coarse walking wheel support and lean on to be connected.

4. A cable deicer for high-voltage electric networks according to claim 3, characterized in that: the two sides of the rough road wheel (3) are provided with elastic limiting shoulders radially extending out of the wheel wall, and the wheel wall of the rough road wheel is provided with wave-shaped anti-skidding grooves (14) at intervals.

5. A cable deicer for high-voltage electric networks according to claim 1, characterized in that: every group the travel driving mechanism includes a plurality of elasticity walking support (9), synchronous pulley and drive hold-in range (10), a plurality of elasticity walking support (9) along the axial direction of host computer seat extends the interval and arranges host computer seat inner wall, and each the tip of elasticity walking support is all connected and is provided with synchronous pulley, each around being equipped with between the synchronous pulley drive hold-in range, the drive hold-in range supports and leans on the periphery setting at the cable, one of them synchronous pulley is rotated by the drive of travel driving motor drive.

6. A cable deicer for high-voltage electric networks according to claim 1, characterized in that: be provided with on fixed frame (21) and vibrate stroke open slot (20), it adjusts flexible post (24), swing rod seat (22) including shaking cylinder (13), stroke to vibrate swing actuating mechanism, wherein, it fixes to vibrate the cylinder one side of fixed frame (21), the output of vibrating the cylinder passes through the flexible post connection is adjusted to the stroke swing rod seat, the swing rod seat passes vibrate in the stroke open slot with vibrate the board and connect, through vibrate the cylinder drive the swing rod seat swing, and then the drive the vibration of vibrating the board removes.

7. A cable deicer for high-voltage electric networks according to claim 1, characterized in that: fixed frame (21) are U style of calligraphy structure, just vibrate the board and be located the inside of U style of calligraphy structure, still be provided with the confession on fixed frame (21) swing holding tank (19) that the drive spindle passed.

8. A cable de-icing apparatus for a high voltage electrical network according to claim 6, characterized in that: the stroke adjusting telescopic column adopts a threaded connection mode for telescopic adjustment, so that the oscillation amplitude of the oscillation plate can be adjusted by adjusting the length of the stroke adjusting telescopic column.

9. A cable deicer for high-voltage electric networks according to claim 1, characterized in that: one set of in three group's walking guiding mechanism (3) and one set of in three group's walking actuating mechanism are located the cable directly over, just deicing mechanism is two sets of and symmetrical setting and is in on host computer seat (1), correspond on the host computer seat deicing mechanism's position is still intensive be provided with a plurality of ice through-holes that fall.

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