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Hydraulic nut quick resetting method

A hydraulic nut and reset method technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of cumbersome, polluted sites, complicated reset process, etc., and achieve the effect of ensuring normal use and preventing explosion

Inactive Publication Date: 2017-12-26
重庆鸽牌电线电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the above resetting method has the following defects: 1. The resetting process before the secondary use of the hydraulic nut is complex, cumbersome, and laborious; 2. The hydraulic oil leaked during the resetting process will pollute the site and cause waste of hydraulic oil

Method used

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  • Hydraulic nut quick resetting method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The embodiment is basically as attached figure 1 Shown: The quick reset method of the hydraulic nut, the hydraulic nut includes a cylinder, a plunger and a lock nut, including the following steps:

[0026] A. Install the hydraulic nut on the shaft 1, rotate the hydraulic nut to the end surface of the shaft sleeve 2, so that the distance between the hydraulic nut and the end surface of the shaft sleeve 2 is 48mm, and install the jacking device for reset on the shaft sleeve 2 and the cylinder Between the bodies 4; the jacking device includes two thin jacks, and the two thin jacks are symmetrically installed on both sides of the shaft 1; the thin hydraulic jacks are preferably thin hydraulic jacks 3;

[0027] B. Loosen the lock nut 6, the loosening distance is 10mm, start the thin hydraulic jack 3 to reset; the shaft sleeve 2 and the cylinder body 4 will move in the direction shown in the figure, and the container can be used in the oil discharge port 7 during the pressing...

Embodiment 2

[0032] The difference between this embodiment and Embodiment 1 is that the distance between the hydraulic nut and the end surface of the shaft sleeve 2 in step A is 50 mm; the distance between loosening the lock nut 6 in step B is 15 mm.

Embodiment 3

[0034] The difference between this embodiment and Embodiment 1 is that: in step A, the distance between the hydraulic nut and the end face of the shaft sleeve 2 is 52 mm; in step B, the distance between loosening the lock nut 6 is 20 mm.

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Abstract

The invention relates to the technical field of mechanical part assembling or disassembling, in particular to a hydraulic nut quick resetting method. A hydraulic nut comprises a cylinder block, a plunger piston and a locking nut. The hydraulic nut quick resetting method comprises the following steps that A, the hydraulic nut is installed on a shaft, the hydraulic nut is rotated to the position close to the end face of a shaft sleeve, and a jacking device used for resetting is installed between the shaft sleeve and the cylinder block; B, a locking nut is unscrewed, the jacking device is started to reset, and the shaft sleeve and the cylinder block move in the direction being far away from the jacking device; and C, after a gap between the cylinder block and the plunger piston is eliminated, the jacking device is dismounted. By means of the technical scheme, time and labor are saved, quick resetting is facilitated before an operator secondarily uses the hydraulic nut, and hydraulic oil discharged in the reset process can be recycled and used.

Description

technical field [0001] The invention relates to the technical field of assembly or disassembly of mechanical parts, in particular to a quick reset method for hydraulic nuts. Background technique [0002] The hydraulic nut is an advanced bolt fastening system, which works on the same principle as the hydraulic tensioner, and is especially suitable for fastening in narrow spaces and heavy-duty vibrating machinery. The working principle of the hydraulic nut is to use ultra-high pressure oil (mostly hydraulic oil) to generate a thrust on the shaft and a tension on the sleeve, so that the shaft and the sleeve are evenly connected together. The use of hydraulic nuts can improve work efficiency, and is both accurate and safe. Therefore, hydraulic nuts are widely used in the field of mechanical fastening with high load and strong vibration. For example, in the field of continuous extrusion processing of copper, it is often necessary to disassemble and install hydraulic nuts. , used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P19/06
CPCB23P19/067
Inventor 陈涛庞小明
Owner 重庆鸽牌电线电缆有限公司