RU180279U1 - Pipe-laying crane - Google Patents

Abstract

The utility model relates to hoisting and transport engineering. The technical problem is to reduce the amplitude of the oscillations of the load. The device contains an additional cable winch mounted on a movable base, which moves on rails rigidly mounted on the body of the base tractor. Elastic viscous bodies are attached to the movable base, the second ends of which are attached to the base tractor. The rope of the additional cable winch passes through the guide blocks and is attached to the load gripping device. This useful model allows to reduce the amplitude of the oscillations of the cargo during transportation, lifting, lowering.

Description

The utility model relates to hoisting and transport machinery and is designed to damp the vibrations that occur during lifting and transportation of cargo.

A known device is a pipe-laying crane [RF patent No. 131371 08/20/2013, IPC V66C 23/88. Pipeline crane / B.C. Shcherbakov, A.N. Shabalin], consisting of a base tractor, boom, winch, cargo rope, chain hoist, hook clip, pipe and spring. The device provides compensation for the dynamic vibrations of the pipeline that occur when the column moves along uneven terrain.

However, the known device has the following disadvantage: it does not exclude the swaying of the pipeline on the hook clip of the pipe-laying crane and pipe hits on the boom, which lead to damage to the boom and insulation of the pipeline.

A device damping frame [Pat. 140492 Russian Federation, IPC В66С 23/88. Pipe-laying crane / Shcherbakov BC, Shabalin AN], the device comprises a base tractor, an arrow, a winch, a cargo rope, a chain hoist, a hook clip, a pipe, characterized in that a damping frame is installed on the pipe-laying crane, one end of which is pivotally fixed to the boom of the pipe-laying crane, and the other end rests movably through the spring on the boom.

However, the known device has the following disadvantages: the device does not provide an effective damping of the oscillations of the load after hitting the load on the damping frame due to the fact that the return stroke of the spring does not reduce the swing of the load.

Of the known technical solutions, the closest in technical essence to the claimed object is a crane-pipe-laying device [RF patent No. 158094 05/27/2015, IPC В66С 23/26. Pipeline crane / B.C. Shcherbakov, M.S. Korytov, V.V. Tansky; Applicant and patent holder Federal State Educational Institution of Higher Education “Siberian State Automobile and Highway Academy (SibADI)” (RU) - No. 2015120191/11; declared 05/27/2015; publ. 12.20.15], the device comprises a base tractor, an arrow, a hoist of a cargo rope and a hoist of lifting an arrow, a cargo rope, a hoisting sheave, a gripping device, a load, characterized in that in order to reduce the amplitude of oscillations of the load, the guide blocks are pivotally mounted on the boom, and An additional rope winch is installed on the base tractor, balancing the rope, which passes through the guide blocks mounted on the boom and is attached to the load gripping device.

However, the known device has the following disadvantages: the device does not exclude the fluctuation of the load due to its swinging towards the boom.

The objective of the utility model is to reduce the amplitude of the oscillations of the load on the boom.

In this case, the following technical results are achieved: a decrease in the amplitude of the load oscillation on the boom.

The specified technical result is achieved by the fact that the known crane-pipe-laying device, comprising: a base tractor, an arrow, a cargo rope winch and a boom hoist, a cargo rope, a pulley block, a pulley block pulley, a load gripping device, guide blocks mounted on the boom, cargo, additional rope winch, characterized in that in order to reduce the amplitude of the oscillations of the load, the additional rope winch is mounted on a movable base that can move along the rails, is rigidly installed elastic on the base tractor, on a movable base, elastic-viscous bodies are fixed, the second ends of which are connected to the base tractor.

The utility model is illustrated in the drawing, which shows the design of the proposed device.

The drawing shows: 1 - the base tractor, 2 - boom, 3 - cargo winch, 4 - boom winch, 5 - cargo rope, 6 - cargo pulley, 7 - load handling device, 8 - load, 9 - guide blocks pivotally mounted on arrow, 10 - additional rope winch, 11 - balancing rope, 12 - movable base, 13 - viscoelastic bodies, 14 - jib pulley, 15 - guides.

The main difference of this utility model is that an additional cable winch 10 is mounted on a movable base 12, capable of moving along guides 15, rigidly mounted on a base tractor 1. Elastic viscous bodies 13 are mounted on a movable base 12, the second ends of which are connected to the base tractor, which allows you to damp small vibrations due to the movement of the base 12 along the guides 15. The damping of vibrations with a large amplitude occurs due to the rotation of the additional cable winch 10.

This principle of fastening an additional cable winch and its rotation allows you to dampen both large and small fluctuations in the load.

Claims (1)

A pipe-laying crane containing a base tractor, an arrow, a cargo rope winch and an arrow hoist winch, a cargo rope, a hoisting hoist, a hoisting hoist, a hoisting device, guide blocks mounted on an arrow, a load, an additional rope hoist, characterized in that in order to reduce the oscillation amplitudes of the load, an additional rope winch is mounted on a movable base capable of moving along rails rigidly mounted on the base tractor, and elastic-viscous ate, the second ends of which are attached to the base tractor.

Images