Climbing-free winding and tying device for transmission line tree barrier cutting

A transmission line and tree barrier technology, which is applied in the field of transmission line tree barrier felling, free-climbing tree winding and tethering device, can solve the problems of cleaning personnel such as high labor intensity, falling from high altitude, and easy electric shock, so as to improve the efficiency of live maintenance, The effect of ensuring safe and reliable operation and reducing the probability of accidents

Active Publication Date: 2017-03-29
SOUTHWEST UNIVERSITY
10 Cites 9 Cited by

AI-Extracted Technical Summary

Problems solved by technology

However, this method is slow, inefficient, and labor-intensive for cleaning personnel, and is p...
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Abstract

The invention relates to a climbing-free winding and tying device for transmission line tree barrier cutting. The device comprises a hoop shell (1), a hoop core (2), a ring (4), a motor (5), and a ring buckle (7). The hoop shell (1) and the hoop core (2) constitute a rope feeding mechanism moving along a fixed track. The ring is arranged at one end of the hoop core, and the ring buckle is arranged at the other end of the hoop core. The hoop core moves along a fixed track under drive of the motor to buckle the ring into the ring buckle. The ring (4) and the ring buckle (7) constitute a snap ring mechanism completing winding and tying. The winding and tying device of the invention is equipped with the rope feeding mechanism, a ring fixing device and the snap ring mechanism. When there is a need to clear a tree barrier around a transmission line, a rope can be wound around the tree and tied without climbing. The bother of rope winding by means of climbing is eliminated. The efficiency of tree barrier clearing is improved. The occurrence probability of accidents is lowered. The efficiency of charged maintenance is improved. Safe and reliable operation of the power system is ensured.

Application Domain

Apparatus for overhead lines/cables

Technology Topic

Electric machineryTransmission line +3

Image

  • Climbing-free winding and tying device for transmission line tree barrier cutting
  • Climbing-free winding and tying device for transmission line tree barrier cutting
  • Climbing-free winding and tying device for transmission line tree barrier cutting

Examples

  • Experimental program(1)

Example Embodiment

[0019] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0020] A tree-barrier felling and tree-climbing-free winding tether device for power transmission lines includes a hoop shell 1, a hoop core 2, a ring fixing mechanism 3, a ring 4, a reduction motor 5, a pinion 6, a ring buckle 7, and a ring The buckle fixing block 8 and the battery circuit box 9, the hoop shell 1 is made up of plate layers 11, 12, 13, 14, 15 and 19 through bolt connection; the hoop core is composed of plate layers 16, 17, 18 is superimposed by bolt connection, with a rope groove in the middle, the hoop shell and the hoop core constitute a rope feeding mechanism that moves along a fixed track; the ring fixing mechanism is composed of a ring groove 20 and a ring groove fixing block 21 And an electromagnet 22; the buckle is composed of a buckle body 23, a block 24, a spring sheet 25, and a buckle pin 26; a buckle and a ring form a buckle mechanism.
[0021] The top layer 18 of the hoop core of the rope feeding mechanism is fixedly connected to a sliding block 27 by countersunk screws. The sliding block is matched with the plate layer 14 with a sliding groove in the hoop shell to form a movement that can move along a fixed track. vice( figure 2 ); The rope groove on the inner side of the hoop core can clamp the rope; the involute teeth on the outer side of the hoop core can mesh and drive with the pinion that connects the output shaft of the reduction motor through the fastening screw. Driven by the geared motor, the hoop core moves along a fixed trajectory, driving the clamped rope to complete the winding action.
[0022] The ring fixing mechanism includes a ring groove 20, a ring groove fixing block 21, and an electromagnet 22. The ring groove and the ring groove fixing block are connected by bolts, and the electromagnet is locked in the ring fixing block. Before the hoop core completes the winding action, the electromagnet is in the energized state, and the ring made of iron can be adsorbed in the ring groove to prevent it from falling out; the rear surface of the ring groove fixing block is connected with the countersunk screw The end face of the hoop core is combined.
[0023] The buckle includes a buckle body 23, a block 24, a spring sheet 25 and a buckle pin 26 ( image 3 ); One end between the buckle body and the block is connected by a ring buckle pin to form a rotating pair, and one end is contacted by an inclined surface to limit the rotation direction of the block. The buckle mechanism includes a buckle and a ring. When the ring moves to one end of the stopper, because the external force is greater than the restoring force of the spring leaf, the stopper is pushed open by the ring; when the ring continues to move to a certain position When the time, the stopper will return to the initial position under the action of the restoring force of the spring leaf, that is, the ring is buckled in the buckle to achieve the purpose of tethering.
[0024] In this embodiment, the maximum diameter of the hoop shell is 280 mm, and the minimum diameter is 200 mm. The minimum diameter of the hoop shell determines that the maximum diameter of the surrounding tree trunk should be less than 200mm.
[0025] In this embodiment, the diameter of the outer tip circle of the hoop core is 158mm, the minimum diameter is 228mm, and the thickness of the ply 17 is 7mm. Therefore, the height of the rope groove is 7mm, the width is 6mm, and the diameter of 8mm can be clamped. rope.
[0026] In this embodiment, the total ring length is 45mm, the radius of the arc is 15mm, and the thickness of the ring is 6mm; the total length of the ring is 50mm, the radius of the arc is 20mm, the height of the ring is 40mm, and the thickness of the buckle body is 7mm. The outside length of the stopper is 18mm; the above size design can ensure the smooth completion of the tether action between the ring and the buckle.
[0027] In this embodiment, before the device works, one end of the rope should be passed through the buckle, and then fastened to the ring, and then the rope should be clamped in the rope groove inside the hoop core (such as Figure 4 Shown).
[0028] The operation process of the present invention:
[0029] 1. The operator presses the rope Figure 4 Clamp in the rope groove as shown, and tie the rope head to the ring.
[0030] 2. The operator will reset the device first ( Figure 5 -a), then use the insulated operating rod to send the device to the ideal position of the tree trunk.
[0031] 3. The reduction motor rotates and drives the hoop core, ring, ring groove, ring groove fixing block and electromagnet to move along a fixed track through the meshing transmission of the pinion gear and the hoop core tooth.
[0032] 4. Driven by the hoop core, the ring moves along a fixed track until one end touches the stopper ( Figure 5 -b), the stopper will now receive an inward thrust.
[0033] 5. As the ring continues to move, the thrust value will continue to increase. When the thrust value is greater than the spring restoring force, the stopper rotates clockwise around the ring buckle pin, and the ring can continue to move ( Figure 5 -c).
[0034] 6. When the ring moves to the limit position, because there is no block from the ring, the stopper will return to the initial position under the action of the spring leaf restoring force, and the ring is locked in the ring buckle at this time ( Figure 5 -d).
[0035] 7. At this time, the operator tightens one end of the rope on the ground, the rope can be separated from the rope groove, tightened on the trunk, and complete the winding and tethering action.
[0036] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be combined in form and Various changes are made to the details without departing from the scope defined by the claims of the present invention.
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Description & Claims & Application Information

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