Annular chain safe device of winch for lifting

A technology of endless chain and safety device, applied in the direction of hoisting device, spring mechanism, etc.

Inactive Publication Date: 2011-06-08
肖功宽
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical solution adopted by the present invention is to solve the buffering problem when a large swing occurs in the hoisting of

Method used

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  • Annular chain safe device of winch for lifting
  • Annular chain safe device of winch for lifting
  • Annular chain safe device of winch for lifting

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] 1. Design, production and installation of endless chains: chains commonly used in machinery include welded endless chains, figure 8 chains, hook chains, etc. Due to the welded endless chain (3), the structure is simple, easy to manufacture, cost-effective, and suitable for heavy load conditions. made as figure 1 , image 3 , The ring chain (3) in the middle, chain size: diameter d is 7mm, pitch t is 21, width B is 24, load test is 0.8 tons, load damage is 1.6 tons, material is selected A2 or A3, adopts, selects welding ring The chain (3), more than enough to lift the load of the mine car.

[0016] 2. There are two types of ring chains: crude and refined. You can choose either of the two. Since the number of links used is not large and the price is cheap, refined ones can be used and purchased in the market according to design requirements.

[0017] 3. The connection between the ring chain and the hook and the wire rope is as follows: figure 1 , figure 2 with ima...

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PUM

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Abstract

The invention relates to an annular chain safe device of a winch for lifting, in particular to an annular chain as a hook safety device of a mine winch for lifting materials, ore, and the like. Several sections of annular chains are connected to a hook head of the hook, and the other end of the annular chain is connected with a wire rope. The annular chain safe device is simple in structure, convenient to manufacture and economic, and is suitable for the condition of great load. Because of the short pitch of the annular chain, the invention has favorable flexibility, and the annular chains are extruded up and down and left and right to take a buffer action so as to surely prevent unhooking and personal injury accidents. The device uses not less than 5 sections of thick or thin annular chains. Another device is a latch-closed hook. When the hook is hooked or unhooked, an elastic movable locking strip is pressed with a hand and then loosened, and the locking strip automatically locks the lock mouth under the action of elastic force.

Description

Technical field [0001] The invention relates to a winch hoisting ring chain safety device. [0002] A winch lifting ring chain safety device is a hook connection device for mining winches to lift ores and materials - a ring chain. It is convenient and fast, especially safe. With it, it is safe, and it can prevent and avoid decoupling during lifting. Personal casualties ACCIDENT. Background technique [0003] At present, the known winch hooks all hang the hook directly on the mine car hook ring for transporting ore. When the winch is hoisting, the suspended steel wire rope has a large swing, such as the pendulum in physics. The wheel principle is the same, especially at the track joint of the mine winch, if the installation is uneven and the coal mine car swings back and forth and jumps up and down, the mine car will sometimes deviate from the track, especially the hook decoupling accident, and the material will be lost at least , Ore and damage to the mine car, or the mine...

Claims

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Application Information

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IPC IPC(8): B66D1/54
Inventor 肖功宽
Owner 肖功宽
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