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A Stable and Reliable Chain Hoist System

A hand chain hoist, a reliable technology, applied in hoisting devices, portable lifting devices, clockwork mechanisms, etc., can solve the problems of hand chain chain brackets, affecting service life, and affecting workers, so as to achieve easy portability and easy assembly , The effect of saving raw materials

Active Publication Date: 2022-03-18
江苏御科机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Brackets and entanglements are prone to occur on the hand-drawn chain;
[0004] 2. The noise is very loud, which affects the workers;
[0005] 3. The degree of friction loss is large, which affects the service life

Method used

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  • A Stable and Reliable Chain Hoist System
  • A Stable and Reliable Chain Hoist System
  • A Stable and Reliable Chain Hoist System

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1: The rotating member 1.121 is a rotating shaft.

Embodiment 2

[0042] Embodiment 2: The rotating part 1.121 is a hinged part.

[0043] The friction surface of the hand chain wheel has anti-slip lines, which can improve the contact friction and avoid slipping between the hand chain wheel 1.2 and the friction plate of the hand chain hoist. Several bar-shaped protrusions 1.211 on the surface are formed, and the bar-shaped protrusions 1.211 and the bracelet wheel 1.2 are integrally molded and cast.

[0044] The other side of the hand chain wheel opposite to the anti-skid lines has a spring pusher, and the spring pusher pushes the hand chain wheel elastically in the axial direction. Ensure that the hand chain wheel 1.2 keeps in better contact with the friction plate of the chain block to avoid idling.

[0045] More specifically, the push member includes an inner ring plate and an outer ring plate elastically connected by a spring, the inner ring plate is fastened to the hand chain wheel by a hexagon socket head screw, and the outer plate surf...

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PUM

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Abstract

The invention discloses a stable and reliable hand chain hoist system, which includes a drive system, a protection system, a bearing system and a deceleration system; the drive system is composed of a hand chain and a hand chain wheel, and the hand chain wheel is threadedly connected to the long axis of the hand chain hoist , the hand chain is matched with the hand chain wheel; the hand chain includes chain rings and rotating connectors, several chain rings are connected by rotating connectors in turn, and adjacent chain rings are rotated on the plane where the hand chain wheel is located through the chain rings; The friction surface of the hand chain wheel has anti-slip lines, and the other side of the hand chain wheel opposite to the anti-slip lines has an elastic pusher, and the elastic pusher axially pushes the hand chain wheel elastically. The stable and reliable chain hoist system provided by the invention is convenient to use, stable and reliable, and has a wide application range.

Description

technical field [0001] The invention belongs to the technical field of chain hoists, in particular to a stable and reliable chain hoist system. Background technique [0002] Existing chain blocks have the following defects: [0003] 1. The hand chain is prone to brackets and winding; [0004] 2. The noise is very loud, which affects the workers; [0005] Three, the degree of friction loss is large, which affects the service life. [0006] In order to solve the above problems, the present invention designs a chain hoist, which also has the advantages of convenient use, stability, reliability and wide application range. Contents of the invention [0007] Purpose of the invention: In order to overcome the deficiencies in the prior art, the present invention provides a stable and reliable chain hoist system, which is easy to use, stable and reliable, and has a wide range of applications. [0008] Technical solution: In order to achieve the above object, a stable and reliab...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B66D3/16B66D1/14B66D1/54
CPCB66D3/16B66D1/14B66D1/54
Inventor 林刚石维全
Owner 江苏御科机械有限公司