SU1001264A2 - Device for uncoiling wires with aid of flying vehicle - Google Patents

Description

The invention relates to power construction and can be used in the construction of high-voltage power lines in areas difficult to reach for ground transportation.

According to the main author. /:at. No. 938344, a device for stretching wires by means of an aircraft is known, which contains means for fastening the wire; associated with the outer suspension of the aircraft, made in the form of a vertical stand fixed to it by means of braces and a transverse beam separated from it, the longitudinal axis of which is located in a plane perpendicular to the axis of the vertical stand, while the elements are installed at the ends of the transverse beam. elements for fixing the wire are installed at the vertical stand at equal distances from the ends of the transverse beam, to free the wire. The crossbeam can be made with a threaded hole long along the longitudinal axis, and each of the elements for free wire enveloping is made in the form of an eyelet with

The thread at the end, which is located in the hole of the transverse beam.

Each of the elements for fixing the wire can be made in the form of a roller with a brook installed in a hingedly turning holder mounted on a vertical stand. .

Disadvantage of this device in

10 that it allows only two wires to be cut. The lightning cable has to be rolled out separately.

The purpose of the invention is to determine the performance without reducing technical reliability.

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This goal is achieved by the fact that the device for wire rolling is provided with a retainer. located on the transverse beam in the plane of symmetry of the device.

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FIG. 1 shows the proposed device, overlook the form; in fig. 2 same, side view.

The device contains a vertical rack 1, which through the braces 2

25, a transverse beam 3 is connected. The longitudinal axis of the transverse beam is located in a plane perpendicular to the longitudinal axis of the vertical support. At the ends of the crossbeam install 30, the lenses of the lugs 4, the threaded ends of which are located in the longitudinal threaded hole 5 of the transverse beam 3.

The heads 6 of the lugs 4 are designed to receive the wire I being rolled out shown in dotted lines. The lugs 4 can be moved on the thread relative to the transverse beam 3.

On the vertical upright 1, the rollers 8 with the stream 7 are installed at an equal distance from the ends of the beam 3 in the hingedly turning holder 7. The crossbeam 3 carries a wire retainer 9 located in the plane of symmetry of the device.

The device allows three wires or cables to be rolled simultaneously.

Two wires or cables from reels mounted on the ground, having the ability to pivot with a braking relative to the transverse axis, are passed through the holes in the eyelet, winding on the roller and spliced to form a loop

The latch 9 is equidistant from the rollers 8 and from the heads of the bores of the lugs 4 and, since-) it is closed (it is connected coaxially with the heads, during operation the device does not bear loads that prevent rolling in terms of technology and safety.

The wire is secured to the clamp 9 in any way, for example, a loop. The lugs 4 are pre-set at a predetermined center distance.

The expansion of the wires is carried out by moving the helicopter along the line directly into the unrolling rollers with the catching plate bent away to the side, which reduces the effort to pull the wire and facilitates its orientation. Middle wire peals; Waves for lightning protection.

When rolling, the rollers 8, thanks to the hingedly turning holder 7, occupy the optimum position and the free slipping of the outer wires in the rollers allows to evenly distribute the tension from the tension of the wires.

The middle wire in the clamp 9 helps to stabilize the position of the transverse beam 3, protects against possible turns relative to the vertical axis of the rack 1.

An important advantage of the device is that it allows the expansion of wires and cables of large cross section. For this, the ends of the drum are connected to a cable of a smaller section, which is rolled out, after which the cable, a smaller section placed in the unrolling rollers or in the cable stand, is wound onto the drum at the end of the span, tensioning the main cable or wire.

The device reduces the rolling process to a fixed position of wires or cables, the tolerance of technological deviations. Thus, it allows one wire to be rolled out, the end of which is fastened in the latch 9.

Claims (1)

Invention Formula Device for rolling wires with the help of an aircraft St. No. 938344, characterized in that, in order to increase productivity without compromising technical reliability, it is provided with a lock located on a transverse beam in the plane of symmetry of the device.