CN207490433U - A kind of transmission line of electricity epidermis exclusion device - Google Patents

Abstract

The utility model relates to an impurity removal device for the skin of a transmission line, which belongs to the technical field of electric equipment. The impurity removal device includes an inner cleaning cylinder and an outer driving cylinder concentrically arranged. The output end of the heavy motor extends into the outer drive cylinder to drive the drive gear and the ring gear on the outer wall of the inner cleaning cylinder to rotate, and the inner cleaning cylinder drives the cutting knives on the outer circumference of both ends to rotate, forming the cleaning of external obstacles on the transmission line Unit, the rotation of the inner cleaning cylinder drives the rotation gear at the outer end of the rotation shaft passing through its wall thickness to run along the guide gear on the inner wall of the outer drive cylinder, and the rotation gear drives the crushing mechanism through the rotation shaft to crush the attachments along the surface of the transmission line. The crushing mechanism includes a rotating shaft with a crushing knife at the end and a floating net cover fixed at the end by a spring. The utility model can realize the cleaning work of the surface attachments of the transmission line, the external hanging objects, and the nearby objects, and the cleaning effect is better.

Description

A transmission line skin impurity removal device

technical field

The utility model relates to the technical field of electric power equipment, in particular to a device for removing impurities from the skin of a power transmission line.

Background technique

The transmission line is an important part used to transmit power from the power station to the user unit. Whether it is in the city or in the field, many transmission lines will be erected for power transmission. Then, in daily work, there will inevitably be some obstacles around the transmission line. For example, surface adhesions, hanging objects such as kite strings and plastic bags, and growing objects such as branches, etc. If these obstacles are not cleaned up in time, it is very easy to cause the danger of short circuit or even line breakage, which will seriously affect people's lives. And production caused unnecessary losses.

At present, there are three traditional methods for removing foreign objects in the line: 1) The staff can use an insulating rod with a knife to stand on the ground and work on the high-altitude line; 2) In the case of electrification, the operator should wear shielding Enter the strong electric field from the soft ladder for manual removal; 3) When the power is off, the operator climbs to the foreign object through the soft ladder frame for manual removal. The first method, due to the limited length of the operating rod, may encounter places that cannot be cleaned during the operation, and this method is limited by the terrain; the second method requires a lot of manpower and material resources, and the operation procedures are complicated and dangerous. There are many points, and the targeted safety measures are cumbersome, which can easily lead to electric shock accidents due to mental paralysis, and the labor intensity is high and the reliability is low; the third method needs to be contacted and coordinated with the control center in advance to formulate a power outage plan and perform approval This kind of operation process makes it impossible to deal with defects in time, and the power outage operation greatly reduces the power consumption load, affects the power supply reliability of the transmission line, and reduces the transmission efficiency.

Utility model content

The utility model overcomes the shortcomings of the prior art and provides a device for removing impurities from the surface of the transmission line. The device can remove the attachments, hanging objects, branches and other close objects on the surface of the transmission line, and can save a lot of manpower and material resources. The obstacle removal work can be carried out stably and continuously, avoiding untimely and incomplete obstacle removal.

Concrete technical scheme of the present utility model is:

A device for removing impurities from the skin of a power transmission line. The key point is that the device for removing impurities includes a concentric sleeve composed of an inner cleaning cylinder and an outer driving cylinder. The transmission line passes through the concentric sleeve in the axial direction, and the length of the inner cleaning cylinder is greater than The length of the outer drive cylinder and the two ends of the inner cleaning cylinder are provided with a group of cutting units along the outer circumference. The cutting unit includes a connecting rod and a cutting knife fixed at its end, and a concentric sleeve is provided with a hole penetrating through the wall thickness of the inner cleaning cylinder. A group of rotating shafts, the end of the rotating shaft in contact with the transmission line is provided with a group of pulverizing knives uniformly distributed along the circumference, and the periphery of the pulverizing knives is provided with a mesh cover connected to the end of the rotating shaft by means of a spring; the inner cleaning cylinder and the rotating Driven by the driving mechanism, the shaft has a degree of freedom of rotation, and the concentric sleeve has a degree of freedom of horizontal movement along the power transmission line by means of the traveling mechanism; The brush ends are in contact with the outer surface of the transmission line.

The drive mechanism includes a counterweight motor fixed on the outer drive cylinder, a drive gear located inside the outer drive cylinder and connected to the output end of the counterweight motor, and a ring gear arranged along the outer wall of the inner cleaning cylinder and meshed with the drive gear, The rotating shaft is located on both sides of the ring gear and distributed along the circumference of the inner cleaning cylinder. The rotating shaft is provided with a self-rotating gear near the end of the outer driving cylinder, and the inner wall of the outer driving cylinder is provided with a guide gear meshing with the rotating gear. .

The walking mechanism includes two walking wheels located inside the inner cleaning cylinder and clamping the power transmission line in the middle. Grooves matching the outer contour of the power transmission line are arranged on the outer circumference of the walking wheels, and a driving wheel is fixed on the outer wall of the inner cleaning cylinder. motor, the output end of the driving motor is connected with the rotating shaft of a road wheel.

Rollers are installed on the end of the rotating shaft close to the outer drive cylinder, and the inner wall of the outer drive cylinder is provided with an annular guide groove used in conjunction with the rollers.

The crushing knife includes a rake face, a flank face, a cutting face connecting the bottom edge of the rake face and the bottom edge of the flank face and a terminal face at the end, the rake face is an inwardly concave arc surface, and the rear face Both the cutter surface and the cutting surface are outwardly convex arc surfaces, the end surface is the cross section of the crushing knife, and the angle between the rake surface and the cutting surface is the cutting edge and the angle is 10-30 degrees.

The net cover includes an arc-shaped bottom surface and an annular side surface fixed on its circumference. The arc-shaped bottom surface includes a circular mesh bar and a group of arc-shaped mesh bars located inside and arrayed along its center circle. All arc-shaped mesh bars A circular support plate is arranged at the intersection of the mesh bars, and the upper surface of the circular support plate is fixedly connected with the spring.

The cutting knife is circular and the outer circumference is a blade, the connecting rod is vertically fixed on the outer wall of the inner cleaning cylinder, and the cutting knife is vertically fixed on the outer end of the connecting rod.

The beneficial effects of the utility model are: the utility model respectively realizes the rotation work of the external cutting knife and the rotation work of the internal pulverizing knife through the rotation of the inner cleaning cylinder itself and the rotation of the rotating shaft. Cutting and crushing, so that the attachments are separated from the transmission line. The mesh cover outside the crushing knife forms a protection unit for the crushing knife and the transmission line, and the working range of the crushing knife is controlled outside the transmission line. The rotation of the net cover forms a kneading loosening unit for the attachment on the surface of the transmission line, which reduces the greater density formed by the accumulation of the attachment. The crushing knife performs final cutting and crushing of the attachment after rubbing and loosening. The cleaning effect is better; the cutting knives at both ends of the inner cleaning cylinder rotate with the rotation of the inner cleaning cylinder, and the cutting knives arranged along the circumference form a cutting and cleaning unit for the external obstacles of the transmission line, which can clean kite lines, branches and other items by cutting , to avoid the influence of suspended objects or close objects on the transmission line, and to avoid potential dangers such as short circuit and breakage of the transmission line;

The utility model also provides a stable counterweight weight for the outer driving cylinder by setting a counterweight motor, thereby providing stable support for the power output of the counterweight motor, that is, providing stable support for the power source of the inner cleaning cylinder, therefore, the outer The driving cylinder always maintains the state that the counterweight motor is at the bottom during the rotation of the inner cleaning cylinder, and the outer driving cylinder forms the working principle of a tumbler;

The rotation of the inner cleaning cylinder is driven by the counterweight motor to rotate the driving gear. During the rotation of the inner cleaning cylinder, the rollers and the annular guide groove can not only play a supporting role, but also avoid friction between the inner cleaning cylinder and the outer driving cylinder. The state of gradually increasing and being stuck can also play a role of rotation guide for the inner cleaning cylinder, ensuring smooth rotation during operation and avoiding poor work; at the same time, it can also drive the self-rotating gear along the outer surface during the rotation of the inner cleaning cylinder. Drive the guide gear in the cylinder to move, thus forming the power source of the rotating shaft;

Description of drawings

Fig. 1 is a schematic diagram of the external structure of the utility model.

Fig. 2 is a schematic diagram of the internal structure of the utility model.

FIG. 3 is an enlarged schematic view of C in FIG. 2 .

Fig. 4 is a schematic cross-sectional structure diagram of A-A in Fig. 1 .

Fig. 5 is a schematic cross-sectional structure diagram of B-B in Fig. 1 .

Fig. 6 is a schematic diagram of the assembly structure of the rotating shaft, the crushing knife and the net cover in the utility model.

Fig. 7 is a schematic diagram of the assembly structure of the rotating shaft and the pulverizing knife in the utility model.

Fig. 8 is a schematic structural view of the pulverizing knife in Fig. 7 .

Fig. 9 is a structural schematic diagram of the arc-shaped bottom surface in the grille.

In the accompanying drawings, 1, inner cleaning cylinder, 2, outer driving cylinder, 3, power transmission line, 4, connecting rod, 401, cutting knife, 5, counterweight motor, 501, driving gear, 502, ring gear, 6, rotating Shaft, 601, guide gear, 602, self-rotating gear, 603, roller, 604, annular guide groove, 7, crushing knife, 701, rake face, 702, cutting face, 703, end face, 704, cutting edge, 8, Spring, 9, net cover, 901, arc-shaped bottom surface, 902, annular side, 903, circular mesh reinforcement, 904, arc-shaped mesh reinforcement, 905, circular support plate, 10, walking wheel, 11, driving motor, 12. Solar panel, 13. Lithium battery, 14. Hair brush.

Detailed ways

The utility model relates to an impurity removal device for the skin of a transmission line. The impurity removal device includes a concentric sleeve composed of an inner cleaning cylinder 1 and an outer driving cylinder 2. The transmission line 3 passes through the concentric sleeve along the axial direction, and the inner cleaning cylinder The length of 1 is greater than the length of the outer drive cylinder 2, and a group of cutting units are arranged at both ends of the inner cleaning cylinder 1 along the outer circumference. There is a group of rotating shafts 6 that run through the wall thickness of the inner cleaning cylinder 1. The end of the rotating shaft 6 in contact with the power transmission line 3 is provided with a group of crushing knives 7 uniformly distributed along the circumference. The net cover 9 at the end of the rotating shaft 6; the inner cleaning cylinder 1 and the rotating shaft 6 all have a degree of freedom of rotation driven by the driving mechanism, and the concentric sleeve has a degree of freedom of horizontal movement along the power transmission line 3 by means of the walking mechanism; The inner cleaning cylinder 1 is provided with a brush 14 arranged along the circumference of the inner wall on the outer side of the running mechanism, and the end of the brush 14 is in contact with the outer surface of the power transmission line 3 .

Specific embodiments, as shown in Figures 1 to 9, the drive mechanism includes a counterweight motor 5 fixed on the outer drive cylinder 2, a drive gear 501 located inside the outer drive cylinder 2 and connected to the output end of the counterweight motor 5, and The outer wall of the inner cleaning cylinder 1 is provided with a ring gear 502 meshed with the driving gear 501, and the counterweight motor 5 provides power for the rotation of the driving gear 501 and the ring gear 502, thereby driving the inner cleaning cylinder 1 to rotate; the rotating shaft 6 is located at Both sides of the ring gear 502 are distributed along the circumference of the inner cleaning cylinder 1. The rotating shaft 6 is provided with an autorotation gear 602 near the end of the outer driving cylinder 2, and the inner wall of the outer driving cylinder 2 is provided with a guide that meshes with the autorotation gear 602. The gear 601 and the inner cleaning cylinder 1 drive the rotating shaft 6 to rotate along its circumferential direction, so that the rotation gear 602 meshes and rotates along the circumferential direction of the guide gear 601, and finally drives the rotating shaft 6 to rotate by itself; in summary, the driving mechanism realizes the inner cleaning cylinder The rotation of 1 provides rotation for the work of cutting knife 401, and also realizes the rotation of rotating shaft 6, that is, provides rotation for the work of crushing knife 7;

The traveling mechanism includes two walking wheels 10 which are located inside the inner cleaning cylinder 1 and clamp the power transmission line 3 in the middle. The outer circumference of the walking wheels 10 is provided with a groove matching the outer contour of the power transmission line 3. The outer wall of the inner cleaning cylinder 1 A drive motor 11 is fixed, and the output end of the drive motor 11 is connected to a rotating shaft of a walking wheel 10;

In order to facilitate installation and disassembly at any time, the inner cleaning cylinder 1 and the outer driving cylinder 2 are both arranged in a two-petal structure. Located inside the outer drive cylinder 2, it is defined inside the outer drive cylinder 2 by the driving mechanism to form an integrated structure, without the need for bolts to be locked and fixed. The counterweight motor 5 exerts a downward force on the outer drive cylinder 2. It is precisely because the counterweight motor 5 Only by the gravity effect can the output power drive the inner cleaning cylinder 1 to rotate, so as to realize the relative movement between the inner cleaning cylinder 1 and the transmission line 3;

The drive motor 11 in the traveling mechanism is installed on the side of the inner cleaning cylinder 1, as long as the drive motor 11 can meet the rotation requirements of the travel wheel 10, the selected model is much smaller in weight than the counterweight motor 5 .

The walking mechanism drives the entire impurity removal device to walk, and the brush 14 cleans the feathers and other light hanging objects on the outer surface of the transmission line 3, so as to prevent the traveling wheels 10 from rolling and attaching such materials to the surface of the transmission line 3, thereby reducing the crushing The workload of the mechanism avoids the impact of poor crushing caused by lightweight materials such as feathers to the greatest extent. During the walking process, the driving mechanism is operated to drive the inner cleaning cylinder 1 to rotate, that is, to drive the cutting knife 401 to work, and the rotating shaft 6 The crushing knife 7 at the end is realized by driving the rotation gear 602 and the guide gear 601 by the rotation of the inner cleaning cylinder 1;

When the driving mechanism is working, the counterweight motor 5 outputs power, and the driving gear 501 drives the ring gear 502 on the outer wall of the inner cleaning cylinder 1 to rotate. shape and the outer circumference is a knife edge, the connecting rod 4 is vertically fixed on the outer wall of the inner cleaning cylinder 1, the cutting knife 401 is vertically fixed on the outer end of the connecting rod 4, and all the cutting knives 401 rotate to form a cylindrical cutting surface, which can clean the power transmission line 3 outside Cut and clean the objects to avoid damages such as short circuit, crushing and pulling of the transmission line 3 caused by hanging objects and close objects;

Due to the rotation of the inner cleaning cylinder 1, the rotation gear 602 at the outer end of the rotating shaft 6 meshes with the guide gear 601 on the inner wall of the outer drive cylinder 2, and the guide gear 601 is provided with a toothed ring on the side, and the rotation gear 602 is driven to rotate after rotation The crushing knife 7 at the inner end of the shaft 6 rotates, and the crushing knife 7 includes a rake face 701, a flank, a cutting face 702 connecting the bottom edge of the rake face 701 and the bottom edge of the flank face 702 and a terminal face 703 at the end, The rake face 701 is an inwardly concave arc surface, the flank face and the cutting surface 702 are outwardly convex arc surfaces, the end face 703 is the cross section of the crushing knife 7, the rake face 701 and the cutting face 702 The included angle is the cutting edge 704 and the included angle is 20 degrees. The net cover 9 includes a circular arc-shaped bottom surface 901 and an annular side surface 902 fixed on its circumference. And along a group of arc-shaped mesh bars 904 of its circular array, a circular support plate 905 is arranged at the intersection of all arc-shaped mesh bars 904, and the upper end surface of the circular support plate 905 is fixedly connected with the spring 8, and the spring 8 A floatable net cover 9 is formed. When there are attachments on the surface of the transmission line 3 that need to be cleaned, the arc-shaped mesh ribs 904 in the net cover 9 rub and loosen the attachments in the circumferential direction, and the loose attachments gradually enter the arc shape. In the gaps between the mesh bars 904, the pulverizing knife 7 will then pulverize and clean the attachments entering the arc-shaped mesh bars 904. The floating mesh cover 9 avoids the shortcomings of the fixed type. For example, when the attachments are relatively hard, the mesh cover 9 Squeeze deformation, strong impact on the rotating crushing knife 7 and the rotating shaft 6, etc., all of which will greatly reduce the service life of the crushing mechanism, the cutting surface 702 of the crushing knife 7 is arc-shaped, and forms an arc after rotation Shaped working surface, the distance between the working surface and the transmission line 3 gradually decreases, and in the running direction, a working state of gradually cutting the thickness of the attachment is formed, and the cutting resistance is dispersed to each thickness, avoiding the planar work The problem that the cutting resistance that surface forms is concentrated occurs; the rotating shaft 6 on both sides of ring gear 502 is opposite on the rotational direction, and in the same running direction, the crushing knife 7 on the end of rotating shaft 6 on different circumferences can The attachments are cleaned in the opposite direction, avoiding the failure of the cleaning caused by the attachments being gradually and evenly spread on the surface of the transmission line 3 along the cleaning direction caused by cleaning in the same direction. The cutting and cleaning in two directions can completely clean the attachments ;

In addition, a roller 603 is installed on the outer end of the rotating shaft 6, and the inner wall of the outer driving cylinder 2 is provided with an annular guide groove 604 used in conjunction with the roller 603. The arrangement of the roller 603 and the annular guide groove 604 can keep the inner cleaning cylinder 1 and the outer driving cylinder 2 The distance between them avoids the problem of poor operation caused by the gradual clamping between the outer drive cylinder 2 and the inner cleaning cylinder 1 during operation, and ensures the normal and continuous operation of the impurity removal device.

The impurity removal device in the utility model is also provided with a power supply unit, including a solar cell panel 12 and a lithium battery 13 arranged on the upper end of the outer drive cylinder 2, the solar cell panel 12 is in an inclined direction towards the sun, and the angle between the inclined surface and the horizontal plane 40-70 degrees, the power output end of the solar panel 12 is connected with the power input end of the lithium battery 13, and at the same time, is also connected with the power input end of the counterweight motor 5 and the driving motor 11. When the solar power generation condition is available, the solar power The battery board 12 charges the lithium battery 13, and supplies power for the counterweight motor 5 and the drive motor 11 at the same time. In the case of no power wiring, the power demand of the impurity removal device can be met to the greatest extent.

Claims (7)

1. A transmission line epidermis removal device, characterized in that: said removal device comprises a concentric sleeve made up of an inner cleaning cylinder (1) and an outer drive cylinder (2), and the transmission line (3) passes through the Through the concentric sleeve, the length of the inner cleaning cylinder (1) is greater than the length of the outer driving cylinder (2), and a group of cutting units are arranged on both ends of the inner cleaning cylinder (1) along the outer circumference, and the cutting units include connecting rods (4) and The cutting knife (401) fixed on its end is provided with a group of rotating shafts (6) penetrating through the wall thickness of the inner cleaning cylinder (1) in the concentric sleeve, and the rotating shaft (6) is in contact with the power transmission line (3) The end is provided with a group of comminuting knives (7) evenly distributed along the circumference, and the periphery of the pulverizing knives (7) is provided with a net cover (9) connected to the end of the rotating shaft (6) by means of a spring (8); Both the cylinder (1) and the rotating shaft (6) have a degree of freedom of rotation driven by the driving mechanism, and the concentric sleeve has a degree of freedom of horizontal movement along the power transmission line (3) with the aid of the traveling mechanism; the inner cleaning cylinder (1) is A brush (14) arranged along the circumference of the inner wall is arranged on the outer side of the traveling mechanism, and the end of the brush (14) is in contact with the outer surface of the power transmission line (3). 2. A power transmission line surface skin removal device according to claim 1, characterized in that: the drive mechanism includes a counterweight motor (5) fixed on the outer drive cylinder (2), located in the outer drive cylinder ( 2) The drive gear (501) inside and connected to the output end of the counterweight motor (5) and the ring gear (502) arranged along the outer wall of the inner cleaning cylinder (1) and meshed with the drive gear (501), the rotation The shaft (6) is located on both sides of the ring gear (502) and is distributed along the circumference of the inner cleaning cylinder (1). A guide gear (601) meshing with the rotation gear (602) is arranged on the inner wall of the drive cylinder (2). 3. A device for removing impurities from the skin of a power transmission line according to claim 1, characterized in that: the traveling mechanism includes two inner cleaning cylinders (1) that clamp the power transmission line (3) in the middle The walking wheel (10), the outer circumference of the walking wheel (10) is provided with a groove matching the outer contour of the power transmission line (3), and the outer wall of the inner cleaning cylinder (1) is fixed with a driving motor (11), and the driving motor (11) The output end links to each other with the rotating shaft of a walking wheel (10). 4. A power transmission line surface skin removal device according to claim 1, characterized in that: said rotating shaft (6) is equipped with a roller (603) on the end close to the outer drive cylinder (2), and the outer The inner wall of the drive cylinder (2) is provided with an annular guide groove (604) used in conjunction with the roller (603). 5. A power transmission line surface skin removal device according to claim 1, characterized in that: said crushing knife (7) comprises a rake face (701), a flank, and a bottom connected to the rake face (701). The cutting surface (702) at the bottom edge of the side and flank and the end surface (703) at the end, the rake surface (701) is an inwardly concave arc surface, and the flank and cutting surface (702) are both Outwardly protruding circular arc surface, the end face (703) is the cross section of the crushing knife (7), and the angle between the rake face (701) and the cutting surface (702) is the cutting edge (704) and the angle is 10-30 degrees. 6. A power transmission line surface skin removal device according to claim 1, characterized in that: said net cover (9) includes a circular arc-shaped bottom surface (901) and an annular side surface (902) fixed on its circumference , the arc-shaped bottom surface (901) includes a circular mesh bar (903) and a group of arc-shaped mesh bars (904) located inside it and arranged in a circular array along its center, and the intersection of all arc-shaped mesh bars (904) is set There is a circular support plate (905), and the upper end surface of the circular support plate (905) is fixedly connected with the spring (8). 7. A power transmission line surface skin removal device according to claim 1, characterized in that: the cutting knife (401) is circular and the outer circumference is a blade, and the connecting rod (4) is vertically fixed to the inner cleaning cylinder (1) On the outer wall, the cutting knife (401) is vertically fixed to the outer end of the connecting rod (4).