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Vibration drawbench

A vibrator and vibration frequency technology, which is applied in the field of pullers, can solve problems such as difficult to disassemble the fastening parts on the shaft, and achieve the effects of improving working capacity, reducing friction, and reducing equipment costs

Inactive Publication Date: 2010-09-08
TAIYUAN COAL GASIFICATION GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a vibrating puller in order to solve the problem that the existing puller is difficult to disassemble some fastening parts on the shaft with tight fit.

Method used

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  • Vibration drawbench
  • Vibration drawbench
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Examples

Experimental program
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Effect test

Embodiment 1

[0013] like image 3 , 4 As shown, the vibrating puller includes a push rod 2 and a claw 4 connected to the push rod 2 , and a vibrator 3 with adjustable vibration frequency is installed at the end of the push rod 2 . In this specific embodiment, the push rod 2 is in the form of a jack 1 .

[0014] The vibrator 3 with adjustable vibration frequency adopts existing products, and the vibrator 3 with adjustable vibration frequency is made into a ring shape. On the tapering part of the end of the ejector rod 2, a preloading ring 10 threaded with the non-reducing part of the ejector rod is sleeved on the ejector rod 2. When in use, the preloading ring is screwed down to make the puller ejector rod pass through There is a proper pre-tightening force between the pre-tightening ring and the vibrator, so that the vibrator and the ejector rod become a whole that can vibrate and generate resonance at the same time, and transmit the vibration and resonance to the disassembled part 5 thr...

Embodiment 2

[0019] like figure 1 , 2 As shown, the vibrating puller includes a push rod 2 and a claw 4 connected to the push rod 2 , and a vibrator 3 with adjustable vibration frequency is installed at the end of the push rod 2 . In this specific embodiment, the push rod 2 is in the form of a jack 1 .

[0020] The vibrator 3 with adjustable vibration frequency adopts existing products, and the vibrator 3 with adjustable vibration frequency is made into a ring shape. On the tapered portion at the end of the ejector rod 2, the length of the tapered portion of the ejector rod is less than the thickness of the annular vibrator and the difference between the thickness of the annular vibrator and the length of the tapered portion of the ejector rod is smaller than the elastic deformation size of the vibrator, During specific implementation, the difference between the thickness of the ring vibrator and the length of the tapered part of the ejector rod (the length of the tapered part of the eje...

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Abstract

The invention relates to a drawbench, in particular to a vibration drawbench, which solves the problem that the present drawnbench is difficult to disassemble tightening components which are closely tightened. The drawbench comprises a mandrel and a claw which is connected with the mandrel, wherein the end part of the mandrel is provided with a vibrator with adjustable vibration frequency. When in use and when the vibration frequency is adjusted to a resonant frequency range of a part to be disassembled, the part to be disassembled produces a serious resonance, the friction force between the parts to be disassembled is greatly reduced, and at the same time force is applied to the mandrel of the drawbench, the parts to be disassembled can be easily separated. Against for the overlarge friction force between the parts to be disassembled, a way that a vibrator is installed on a drawbench mandrel to compulsorily vibrate the parts to be disassembled is adopted, so the friction force between the parts to be disassembled is greatly reduced, and the disassembling difficulty of the original drawbench is solved.

Description

technical field [0001] The invention relates to a puller, in particular to a vibrating puller. Background technique [0002] The puller is also called the jack puller, which is widely used to disassemble the fastening parts on the shaft such as various couplings, gears, bearings, pulleys, etc. It consists of two parts: the ejector rod and the claw connected (or hinged) with the ejector rod , The ejector rod is divided into two types: screw rod and jack, and the hook claw is divided into two types: two-claw type and three-claw type. Make the ejector rod move forward steadily, and the claw hook retreats accordingly, pulling out the object to be pulled. [0003] Existing pullers are very convenient and effective when disassembling fastening parts on shafts with looser fits, but it is sometimes very difficult to disassemble fastening parts on shafts with tighter fits, especially larger parts. The assembly interference between the disassembled parts is too large, resulting in a...

Claims

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Application Information

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IPC IPC(8): B25B27/00B25B29/00
Inventor 白文政王大力刘开明王兆文李健全孟祥俊王安宇吴志明
Owner TAIYUAN COAL GASIFICATION GROUP
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