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Belt pulley disassembly device

A technology for dismantling devices and pulleys, which is applied to hand-held tools and manufacturing tools, can solve problems such as easy decoupling and damage to pulleys, and achieve the effect of simple structure and improved work efficiency

Inactive Publication Date: 2014-04-23
LINYI YUWANG VEGETABLE PROTEIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when pulling a pulley with a small wheel groove, because its edge is too small, the claw cannot be hooked, and decoupling is prone to occur.
And when pulling the pulley made of cast iron, the claw hook is easy to damage the pulley

Method used

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  • Belt pulley disassembly device
  • Belt pulley disassembly device

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Embodiment Construction

[0014] In order to make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects obtained easy to understand, the specific implementation manners of the present invention will be further described below in conjunction with the specific drawings.

[0015] refer to figure 1 , figure 2 , a pulley dismounting device provided by the present invention includes pulling claws 1 symmetrically arranged along the axis, the number of pulling claws 1 is at least two, of course it can also be three, four, etc., and a plurality of pulling claws 1 along Axisymmetric, distributed on the circumference of the fixed shaft 6 . The inner side of the pulling claw 1 is provided with a plurality of tooth-shaped locking grooves 7 corresponding to the belt grooves on the pulley 2 , and also includes a connecting pad 5 for traction that connects the upper ends of all the pulling claws 1 .

[0016] The dismantling device of the present invention...

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Abstract

The invention discloses a belt pulley disassembly device which comprises at least two pull claws and connecting cushion blocks. The pull claws are symmetrically arranged along an axis, a plurality of toothed clamp grooves corresponding to belt grooves in a belt pulley are formed in the inner sides of the pull claws, and the upper ends of all the pull claws are connected by the connecting cushion blocks for traction. The disassembly device is simple in structure, when the disassembly device is used, the pull claws are pressed close to the belt pulley on a fixed shaft, teeth on the inner sides of the pull claws are clamped into the belt grooves in the belt pulley, and the belt pulley is taken down from the fixed shaft by the aid of a traction device known in the field. The disassembly device solves the problems that a belt pulley with a small edge cannot be taken out by a three-claw puller, and the belt pulley made of cast iron is easily damaged in a pulled manner by the three-claw puller. The belt pulley is protected, and working efficiency is improved.

Description

technical field [0001] The invention relates to a machine repairing and maintenance aid, more precisely, relates to a pulley dismounting device. Background technique [0002] The three-jaw puller is a tool often used in mechanical maintenance. Mainly used to dismantle damaged bearings axially from the shaft. It is mainly composed of a handle, a screw rod and a pull claw. There are two claws and three claws. The main dimensions are the length of the claws, the distance between the claws, and the length of the screw to adapt to bearings with different diameters and different axial installation depths. When in use, the top of the screw is positioned in the top hole of the shaft end, the position of the claw is adjusted so that the claw is hooked on the outer ring of the bearing, and the handle is rotated so that the claw drives the pulley to move outwards in the axial direction for removal. However, when pulling a pulley with a smaller wheel groove, because its edge is too s...

Claims

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Application Information

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IPC IPC(8): B25B27/02
CPCB25B27/02
Inventor 范书琴邓志福鲁绪强
Owner LINYI YUWANG VEGETABLE PROTEIN
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