CN106975621A - A kind of live high voltage line foreign body eliminating apparatus - Google Patents

Abstract

A device for removing foreign matter from live high-voltage wires, including a high-speed rotating cutter head, on which several blades are installed, and when the cutter head rotates close to the high-voltage cable at high speed, it will drive the blades to cut foreign objects near it at high speed. At the same time, the cutter head is connected to a support arm, and driven by the support arm, it rotates eccentrically around the high-voltage cable, and ensures that the high-speed rotating blade does not collide with the high-voltage cable, so as to achieve efficient ring cutting of foreign objects around the high-voltage cable Effect. Install the support arm and cutter head on the existing high-voltage cable inspection robot. As the inspection robot moves continuously on the high-voltage cable, foreign objects can be continuously and timely removed from the entire high-voltage cable. Since the device replaces the manual removal of foreign matter, it can effectively avoid the risk of electric shock to workers and improve the safety of the operation of removing foreign matter from live cables.

Description

A device for removing foreign matter from charged high-voltage lines

technical field

The invention mainly relates to the field of live working robots for high-voltage transmission lines, in particular to a live high-voltage line foreign matter removal device that uses a high-speed rotating blade to cut foreign matter wound on live high-voltage wires.

Background technique

Live work refers to carrying out tests, maintenance and other operations on high-voltage transmission cables and their auxiliary equipment under the condition of continuous power supply. It is an effective operation method to avoid power failure during maintenance and ensure normal power supply. With the rapid development of the power grid, the importance of live work on EHV and UHV transmission lines as an important guarantee for the reliability of power supply in the power grid has become increasingly prominent.

At present, the live working robots developed at home and abroad mainly realize the work tasks such as live replacement of anti-vibration hammer, live replacement of spacer bars, live removal of foreign objects, live replacement of insulators, cable repair, live fastening of strain clamp drainage plate bolts, etc. For high voltage The foreign matter wrapped around the cable, such as nylon bags, waste fiber strips, deposited solid waste, etc., is mainly burned by the high-voltage cable self-heating, but there are disadvantages of low efficiency and high energy consumption, or manual removal is used. Inefficient and risk of electric shock.

Contents of the invention

The present invention solves the deficiencies of the above-mentioned technologies and provides a live high-voltage line foreign matter removal device that can promptly, efficiently and safely remove foreign matter entangled on high-voltage cables, which can be used in the continuous expansion of urbanization, the gradual density of high-voltage cable networks, and the high-voltage When the foreign matter on the cable gradually increases, it can maintain the safety of power transmission.

In order to solve the above problems, the solution proposed by the present invention is: a live high-voltage line foreign matter removal device, including a cutter head assembly, a rotating assembly and a mounting seat assembly, the rotating assembly is installed on the high-voltage cable traveling mechanism through the mounting seat assembly, The rotating support arm of the rotating assembly is coaxially set on the high-voltage cable, and is driven by the high-voltage cable traveling mechanism to move along the high-voltage cable, and the rotating supporting arm is driven by the transmission device to rotate around the high-voltage cable as the axis The cutter head assembly is installed on the rotating support arm and rotates in conjunction with the rotating support arm. The cutter head assembly includes a self-rotating cutter head and a plurality of blades installed on the cutter head. When the cutter head drives the blades to rotate, The rotating planes formed by the cutting edges of all the blades are parallel or coincident and have a distance from the high voltage cables. The cutter head assembly rotates around the high-voltage cable under the drive of the rotating assembly, and ensures that the high-speed rotating blade does not collide with the high-voltage cable, so as to achieve the effect of cutting foreign matter efficiently around the high-voltage cable. The rotating assembly and the cutter head assembly are installed through the The seat assembly is installed on the existing high-voltage cable traveling mechanism. With the continuous movement of the high-voltage cable traveling mechanism on the high-voltage cable, the entire high-voltage cable can be continuously and timely removed. The blade rotates at high speed to cut the foreign matter, and the structure that allows the cutter head to rotate and revolve around the high-voltage cable is cleverly designed, which effectively cuts the foreign matter wound or deposited on the high-voltage cable, thus replacing manual labor. The operation of removing foreign matter can effectively avoid the danger of electric shock to the staff and improve the safety of the operation of removing foreign matter from live cables.

Preferably, the rotation assembly includes a rotation support and a rotation support arm, the rotation support is fixed on the mount assembly, the rotation support arm is coaxially sleeved on the outside of the rotation support and the rotation support arm and the rotation support are Sliding connection or rolling connection, the middle part of the rotating support is provided with a first round hole larger than the diameter of the high-voltage cable, and the rotating support is sleeved on the high-voltage cable through the first round hole, so that the first round hole makes The rotating assembly can walk along the high-voltage cable without hindrance, and ensure the safety of the entire device during the working process, reducing the risk of the device falling from the high-voltage cable, and at the same time, the connection between the rotating support arm and the rotating support ensures that the cutterhead assembly Can be rotated around high voltage cables to remove foreign matter.

As an embodiment of the transmission device, the transmission device includes a worm gear and a worm, the outer circumference of the rotating support arm is provided with teeth forming a worm gear, and the rotating shaft is equipped with helical teeth meshing with the upper teeth of the rotating support arm to form a worm, The rotating shaft is mounted on the mounting base assembly through bearings, and is driven to rotate by a rotation driving motor.

As the second embodiment of the transmission device, the transmission device includes a first gear and a second gear, the first gear and the second gear mesh, the first gear is coaxially fixed on the rotating support arm, the The second gear is fixed on the rotating shaft, the rotating shaft is mounted on the mount assembly through a bearing, and is driven to rotate by a rotation driving motor.

As the third embodiment of the transmission device, the transmission device includes a first synchronous pulley, a second synchronous pulley and a synchronous belt, the first synchronous pulley and the second synchronous pulley are connected by a synchronous belt, and the The first synchronous pulley is coaxially fixed on the rotating support arm, the second synchronous pulley is fixed on the rotating shaft, and the rotating shaft is installed on the mounting base assembly through a bearing and driven to rotate by a rotating drive motor.

Preferably, an opening larger than the diameter of the high-voltage cable is provided in the corresponding position of the rotating support and the rotating support arm in the axial direction, and the opening communicates with the first round hole, and the high-voltage cable is placed in the first round hole through the opening Inside. The connection and disconnection between the present invention and the high-voltage cable are realized conveniently through the opening.

Preferably, one end of the rotating support is fixed on the mounting base assembly, and an end cover is installed on the other end, and the rotating support is fixedly connected to the rotating support arm through the end cover.

Further, the cutter head assembly includes a height adjustment device for adjusting the distance between the blade and the high-voltage cable, the height adjustment device includes a cutter head support and an eccentric support, the cutter head support is arranged in parallel with the high-voltage cable, and the eccentric The bracket is fixed on the rotating support arm, the eccentric bracket is provided with a waist-shaped hole along the radial direction of the high-voltage cable, the cutter head bracket is installed on the eccentric bracket through the waist-shaped hole, and the cutter head is installed on the cutter head bracket superior. In this way, the distance between the blade and the high-voltage cable can be adjusted, so that the removal of different foreign objects can be realized and the removal effect can be guaranteed.

Preferably, the cutterhead assembly includes a cutterhead and a blade arranged parallel to the cutterhead, one end of the blade is mounted on the cutterhead through a pin, and the other end protrudes from the cutterhead, and the blade can be wound around the pin Rotate freely, so that the blade can turn and avoid when cutting hard foreign objects, thereby preventing the blade from being damaged.

Preferably, the plurality of blades are evenly arranged on the cutter head near the outer circumference, and the blades of the blades are arranged on the windward surface of the blades.

Preferably, the cutterhead is driven to rotate by a cutterhead drive motor, the cutterhead is driven and installed on the cutterhead bracket, the output shaft of the cutterhead drive motor is perpendicular to the high-voltage cable, and the cutterhead is installed on the cutterhead on the output shaft of the drive motor.

Preferably, the mount assembly includes a mount.

Owing to adopting above-mentioned structure, the advantage of the present invention is:

(1) The mechanical device is used to remove foreign objects on the high-voltage cables, which is more efficient and safer.

(2) Using multiple blades to rotate at the same time, even if some blades are damaged, the work can still be continued.

(3) The blade is installed on the cutter head through the pin shaft to prevent damage to the blade when cutting hard foreign objects.

(4) The distance between the blade and the high-voltage cable is adjustable, which can achieve different foreign matter removal effects.

(5) There is an opening on the rotating support arm, which is convenient for the high-voltage cable traveling mechanism or the high-voltage cable traveling robot to connect the device with the high-voltage cable to be cleaned, or to separate it from the high-voltage cable, so as to improve the working efficiency.

To sum up, the solution proposed by the present invention is: design a high-speed self-rotating cutter head, and several blades are installed on the cutter head. Perform high-speed cutting. At the same time, the cutter head is connected to a support arm, and driven by the support arm, it rotates eccentrically around the high-voltage cable, and ensures that the high-speed rotating blade does not collide with the high-voltage cable, so as to achieve efficient ring cutting of foreign objects around the high-voltage cable Effect. Install the support arm and cutter head on the existing high-voltage cable inspection robot. As the inspection robot moves continuously on the high-voltage cable, foreign objects can be continuously and timely removed from the entire high-voltage cable. Since the device replaces the manual removal of foreign matter, it can effectively avoid the risk of electric shock to workers and improve the safety of the operation of removing foreign matter from live cables.

Description of drawings

Fig. 1 is an assembly drawing of the present invention;

Fig. 2 is an axonometric exploded structure diagram of the present invention;

Fig. 3 is an axonometric view of the rotating support arm of the present invention;

Fig. 4 is the axonometric view of the rotary support of the present invention;

Fig. 5 is an axonometric view of an eccentric support of the present invention;

Fig. 6 is a perspective view of the rotating shaft of the present invention.

In the accompanying drawings, 1, cutter head assembly, 11, blade, 12, bearing pin, 13, cutter head, 14, cutter head drive motor, 15, cutter head support, 2, rotating assembly, 21, rotating support, 211, Cylindrical surface, 212, first opening, 213, first circular hole, 22, rotating support arm, 221, first transmission member, 222, second opening, 223, second circular hole, 224, mounting platform, 23, eccentric Bracket, 231, waist-shaped hole, 24, end cover, 3, mounting seat assembly, 31, mounting seat, 32, upper bearing seat, 33, rotating shaft, 331, second transmission member, 34, lower bearing seat, 35, Motor support, 36, rotary drive motor, 4, high voltage cable.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. Other structures similar to this example should be regarded as inspired by the present invention and should be protected accordingly.

As shown in Fig. 1 and Fig. 2, the live high-voltage line foreign matter removal device of the present invention includes several parts such as a cutterhead assembly 1, a rotating assembly 2, and a mounting seat assembly 3. The inverted V-shaped first opening 212 of the rotating support arm 22 and the inverted V-shaped second opening 222 of the rotating support arm 22 enter the cylindrical hole of the rotating support 21, or disengage from the inverted V-shaped opening and the present invention. The cutterhead assembly 1 is installed on the rotating assembly 2 through the cutterhead bracket 15 , and can swing around the high voltage cable 4 driven by the rotating assembly 2 . The rotating assembly 2 is installed on the mounting base assembly 3 through the rotating support 21 , and is connected with the existing working robot through the mounting base 31 of the mounting base assembly 3 .

Referring to FIG. 1 and FIG. 2 , the cutter head assembly 1 is composed of a blade 11 , a pin shaft 12 , a cutter head 13 , a cutter head drive motor 14 , a cutter head support 15 and the like. Blade 11 is connected on the cutter head 13 by pin shaft 12, and can rotate freely around pin shaft 12, can install several blades 11 evenly on cutter head 13 by this method. The cutter head 13 is installed on the output shaft of the cutter head drive motor 14 , and the cutter head drive motor 14 is installed on the cutter head support 15 . When the cutter head drive motor 14 works, it will drive the cutter head 13 to rotate, and then drive the blade 11 to rotate.

Referring to FIGS. 1-5 , the rotating assembly 2 is composed of a rotating support 21 , a rotating support arm 22 , an eccentric support 23 , an end cover 24 and other components. The rotation support arm 22 is mounted on the cylindrical surface 211 of the rotation support 21 through the second round hole 223 to form a rotation fit constraint. The end cover 24 is installed on the small end of the rotating support 21 to prevent the rotating support arm 22 from falling off. The eccentric bracket 23 is installed on the mounting platform 224 of the rotating support arm 22, and the direction of the waist-shaped groove 231 on it is perpendicular to the direction of the high-voltage cable.

Referring to Fig. 1, Fig. 2, Fig. 6, mounting seat assembly 3 is made up of parts such as mounting seat 31, upper bearing seat 32, rotating shaft 33, lower bearing seat 34, motor support 35, rotating drive motor 36. The rotating shaft 33 is installed on the mounting seat 31 through the upper bearing seat 32 and the lower bearing seat 34 . The rotary driving motor 36 is installed on the mounting seat through the motor bracket 35, and is connected with the rotating shaft through a shaft coupling.

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 6, the transmission device includes, the first transmission member 221 used for transmission on the rotating support arm 22 can be designed as a gear, a worm wheel or a synchronous pulley, etc., at this time, on the rotating shaft 33 The designed second transmission member 331 needs to be matched with it, which is respectively a gear, a worm, or a synchronous pulley. When the first transmission member 221 and the second transmission member 331 on the rotating support arm 22 and the rotating shaft 33 are synchronous pulleys, they need to be connected by a synchronous belt.

Referring to Fig. 1, Fig. 2 and Fig. 5, the waist-shaped groove 231 of the eccentric support 23 is used to install the cutter head module 1, when the cutter head support 15 of the cutter head module 1 is installed in different positions on the waist-shaped groove 231 of the eccentric support 23 , the position between the cutter head module 1 and the high-voltage cable 4 can be adjusted, and then the distance between the blade 11 and the high-voltage cable 4 can be adjusted when the blade 11 rotates.

Referring to Figures 1 to 4, before the device of the present invention starts to work, it is necessary to align the inverted V-shaped first opening 212 of the rotating support 21 with the inverted V-shaped second opening 222 of the rotating support arm 22, so that the high-voltage cable 4 into the cylindrical hole 213 of the swivel support 21 . In the process of removing foreign matter, although the rotating support arm 22 will rotate and drive the cutterhead module 1 to revolve around the high-voltage cable 4, since the cutterhead module has a certain distance from the high-voltage cable 4, it will not cause the high-speed rotating blade 11 to collide with the high-voltage cable 4. The high voltage cable 4 collides.

It should be noted that in this manual, the working principle of the high-voltage cable foreign matter removal device is only described with the design of the worm gear on the rotating support arm and the worm screw on the rotating shaft. The transmission structure can also be common structures such as gears, synchronous pulleys, and sprockets.

Claims (12)

1. A live high-voltage line foreign matter removal device, characterized in that: it includes a cutter head assembly, a rotating assembly and a mounting seat assembly, the rotating assembly is installed on the high-voltage cable traveling mechanism through the mounting seat assembly, and the rotating support of the rotating assembly The arm is coaxially set on the high-voltage cable, and is driven by the high-voltage cable traveling mechanism to move along the high-voltage cable. The rotating support arm is driven by the transmission device to rotate around the high-voltage cable as the axis. Rotating on the rotating support arm in conjunction with the rotating support arm, the cutterhead assembly includes a self-rotating cutterhead and multiple blades installed on the cutterhead, when the cutterhead drives the blades to rotate, the blades of all the blades form a rotation The surfaces are parallel or coincident and have a distance from the high-voltage cables. 2. The foreign matter removal device for live high-voltage lines according to claim 1, characterized in that: the rotating assembly includes a rotating support and a rotating support arm, the rotating support is fixed on the mounting seat assembly, and the rotating support arm is the same as The shaft is set on the outside of the rotating support and the rotating support arm is in a sliding or rolling connection with the rotating support. The middle part of the rotating support is provided with a first round hole larger than the diameter of the high-voltage cable. The rotating support passes through the first The round hole is set on the high voltage cable. 3. The foreign matter removal device for live high-voltage lines according to claim 2, characterized in that: an opening larger than the diameter of the high-voltage cable is provided in the axial direction on the corresponding position of the rotating support and the rotating support arm, and the opening is connected to the first A circular hole is connected, and a high-voltage cable is placed in the first circular hole through the opening. 4. The foreign matter removal device for live high-voltage lines according to claim 3, characterized in that: one end of the rotating support is fixed on the mounting base assembly, and an end cover is installed on the other end, and the rotating support is connected with the end cover through the end cover. The swivel support arm is fixedly connected. 5. The foreign matter removal device for live high-voltage lines according to claim 2, characterized in that: the transmission device includes a worm gear and a worm, the outer circumference of the rotating support arm is provided with teeth to form a worm gear, and the rotating shaft is installed with a rotating support The helical teeth meshing with the teeth on the arms form a worm, and the rotating shaft is mounted on the mount assembly through bearings and driven to rotate by a rotary drive motor. 6. The foreign matter removal device for live high-voltage lines according to claim 2, characterized in that: the transmission device includes a first gear and a second gear, the first gear and the second gear mesh, and the first gear is coaxial Fixed on the rotating support arm, the second gear is fixed on the rotating shaft, the rotating shaft is installed on the mount assembly through the bearing, and driven to rotate by the rotation driving motor. 7. The foreign matter removal device for live high-voltage lines according to claim 2, characterized in that: the transmission device includes a first synchronous pulley, a second synchronous pulley and a synchronous belt, and the first synchronous pulley and the second synchronous The pulleys are connected through a synchronous belt, the first synchronous pulley is coaxially fixed on the rotating support arm, the second synchronous pulley is fixed on the rotating shaft, and the rotating shaft is installed on the mounting seat assembly through a bearing, and The rotation is driven by a rotation drive motor. 8. The foreign matter removal device for live high-voltage wires according to any one of claims 1 to 7, characterized in that: the cutter head assembly includes a height adjustment device for adjusting the distance between the blade and the high-voltage cable, and the height adjustment device includes a knife Disk support and eccentric support, the cutter head support is set parallel to the high-voltage cable, the eccentric support is fixed on the rotating support arm, the eccentric support is provided with a waist-shaped hole along the radial direction of the high-voltage cable, and the knife The disk support is installed on the eccentric support through the waist-shaped hole, and the cutter head is installed on the cutter head support. 9. The foreign matter removal device for live high-voltage wires according to claim 8, characterized in that: the cutterhead assembly includes a cutterhead and a blade arranged parallel to the cutterhead, one end of the blade is mounted on the cutterhead through a pin shaft, The other end protrudes from the cutter head, and the blade can rotate freely around the pin shaft. 10 . The device for removing foreign matter on live high-voltage lines according to claim 9 , wherein a plurality of blades are evenly arranged near the outer circumference of the cutter head, and the blades of the blades are arranged on the windward surface of the blades. 11 . 11. The foreign matter removal device for live high-voltage lines according to claim 10, characterized in that: the cutterhead is driven to rotate by a cutterhead drive motor, and the cutterhead is driven and installed on the cutterhead bracket, and the cutterhead drive motor The output shaft is perpendicular to the high-voltage cable, and the cutterhead is installed on the output shaft of the cutterhead drive motor. 12 . The device for removing foreign objects on live high-voltage lines according to claim 11 , wherein the mounting base assembly includes a mounting base. 13 .