Unlock instant, AI-driven research and patent intelligence for your innovation.

An internal expansion type prestress providing device

A prestressed and inflated technology, used in metal processing, metal processing equipment, manufacturing tools, etc., can solve problems such as inability to adjust, and achieve the effect of reliable preloading and simple and fast preloading process.

Active Publication Date: 2017-07-21
XIANGTAN ELECTRIC MFG CORP LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The traditional method of preloading in a sealed container is usually to achieve internal preloading before sealing the container. However, such a manufacturing process usually causes unpredictable changes in the preloaded key parts during the sealing process. And the pretightening force obtained is a constant value, which cannot be adjusted according to actual needs

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An internal expansion type prestress providing device
  • An internal expansion type prestress providing device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1: with reference to attached figure 1 , an internal expansion type prestress providing device, which includes a sealed container I1, a central baffle 15, a free elastic sealing strip 3, a pressure gauge 2, and a compressor 4, the sealed container I1 is a thin-walled elastic container, and the central baffle I5 separates the airtight container I1 into two uniform inner cavities. The contact position between the central baffle I5 and the airtight container I1 is a smooth plane. Matching, free elastic sealing strips 3 are provided at the inner contact positions of the central baffle I5 and the sealed container I1, the free elastic sealing strips 3 are fixed together with the central baffle I5, and the four compressors 4 are respectively provided to the left and right inner The cavity provides compressed medium, and pressure gauges 2 are provided on the pipelines between the compressor 4 and the sealed container I1.

Embodiment 2

[0014] Embodiment 2: with reference to attached figure 2 , an internal expansion type prestress providing device, which includes a sealed container II6, a baffle plate II7, a free elastic sealing strip 3, a pressure gauge 2, and a compressor 4, the sealed container II6 is a thin-walled elastic container, and three baffle plates II7 divides the airtight container II6 into four uniform inner cavities from the inside, all baffles II7 and the inner contact position of the airtight container II6 are smooth planes, and the length of the smooth plane is related to the displacement of the three baffles II7 when they are subjected to the pressure difference on both sides The distances are matched, and free elastic sealing strips 3 are provided at the contact positions between the three baffles II7 and the sealed container II6. The free elastic sealing strips 3 are respectively fixed with the three baffles II7, and the four compressors 4 are respectively Compressed medium is provided t...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an internal expansion type prestress providing device. The device comprises a sealed container, center baffles, free elastic sealing strips, a pressure gauge and compressors, wherein the sealed container is a thin-wall elastic container, the interior of the sealed container is evenly divided into two or more inner cavities by the center baffles, the portions, in contact with the interior of the sealed container, of the center baffles are smooth planes, the length of each smooth plane is matched with the displacement of each center baffle when the pressures on the two sides of the center baffle are different, the free elastic sealing strips are arranged on the portions, in contact with the interior of the sealed container, of the center baffles respectively, and compression media are provided for different inner cavities by different compressors. Due to the fact that the sealed container is evenly divided into multiple inner cavities and compression media are provided for the inner cavities by different compressors, pressure difference exists between different inner cavities, and when the center baffles move to a predetermined prestress position, the pressures in the cavities are balanced, and then pretightening of the sealed container is achieved. The whole pretightening process is simple and quick, and pretightening is reliable.

Description

technical field [0001] The invention relates to an internal expansion type prestress providing device. [0002] technical background [0003] Sealed containers are closely related to our life and production in today's society, and have occupied an increasingly heavy proportion, and the quality of sealed containers determines its safety factor and service life, so the quality of sealed containers is important for users. is of great significance. During the manufacturing process of sealed containers, it is often necessary to pre-tighten some key parts inside, and the degree and effect of pre-tightening directly determine the quality of the sealed container itself. If the pre-tightening effect is not good, it will cause a lot of quality accidents, serious Or even endanger the life of the user, so the preload in the airtight container has received enough attention and attention. [0004] The traditional method of preloading in a sealed container is usually to achieve internal p...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B23P19/00
CPCB23P19/00
Inventor 牟密徐勤文曾素琼秦丽伟毛峰黄剑锋
Owner XIANGTAN ELECTRIC MFG CORP LTD