A pull-down tubular fabric drawing smoothness measuring device and method

A technology for extracting smoothness and tubular fabrics, which is applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve the problems of smoothness and smoothness attenuation rate of tubular fabrics that do not involve tubular fabrics and axial friction, It does not involve problems such as the measuring device and method for the smoothness of the extraction of the tubular fabric sleeved on the heat pipe wall, and achieves the effect of simple sample clamping, simple structure, and exquisite mechanism

Active Publication Date: 2018-06-22
DONGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the categories described in these patents relate to the drilling sampling mechanism and sampling soft bag for drilling and sampling lunar soil, they do not relate to a kind of pull-down tubular fabric (the soft bag is included in the scope of the present invention) mentioned in the present invention. The device and method for measuring the smoothness of drawing that is sleeved on the wall of the heat pipe do not relate to the device and method for measuring the smoothness of drawing that is used under different temperature conditions and sleeved on the wall of the heat pipe, especially not It involves the expression of the axial friction force generated when the tubular fabric is sleeved on the heat pipe wall and the smoothness and smoothness attenuation rate of the tubular fabric during the folding and drawing process

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
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  • A pull-down tubular fabric drawing smoothness measuring device and method
  • A pull-down tubular fabric drawing smoothness measuring device and method
  • A pull-down tubular fabric drawing smoothness measuring device and method

Examples

Experimental program
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Effect test

Embodiment 1

[0046] like figure 1 As shown, the pull-down tubular fabric drawing smoothness measurement device of this embodiment is composed of a plug mechanism 1 , a thermal cavity mechanism 2 , a drawing mechanism 3 and a fixing mechanism 4 .

[0047] Described fixed mechanism 4 comprises base plate 41, left fixed rod 42 and right fixed rod 43, and left fixed rod 42 and right fixed rod 43 are all fixed on the base plate 41, and described drawing mechanism 3 comprises stepper motor 31, transmission Mechanism, left screw mandrel 34 and right screw mandrel 37, described stepper motor 31 is fixed on the base plate 41, left screw mandrel 34 is socketed in the left fixed rod 42, right screw rod 37 is socketed in the right fixed rod 43 Described transmission mechanism comprises left driving gear 32, left driven gear 33, right driving gear 35 and right driven gear 36, and left driving gear 32 meshes with left driven gear 33, and right driving gear 35 meshes with right driven gear 36, so The le...

Embodiment 2

[0052] Example 2: Measurement of the pulling smoothness of high-performance tubular woven fabrics at 20°C (normal temperature)

[0053] A pull-down tubular fabric smoothness measurement method, using the pull-down tubular fabric smoothness measurement device in Example 1, the specific steps are:

[0054] ① Select a heat pipe with a head end corner radius r of 1 mm and a cavity inner diameter D of 15 mm; select fine denier PBO weakly twisted filament yarn as raw material, and design a high-performance tubular woven fabric with a diameter of 16 mm.

[0055] ② One end of the high-performance tubular woven fabric is sleeved on the outer wall of the temperature-controllable heat pipe 11, and the other end is placed between the cover clamp 14 and the connecting rod 13 and clamped by the fastening screw 15.

[0056] ③ Start the heat pipe 21, and control the temperature of the wall of the heat pipe 21 to be 20° C. (normal temperature).

[0057] 4. Start the stepping motor 31 to make ...

Embodiment 3

[0064] Example 3: Measurement of the pulling smoothness of high-performance tubular woven fabrics at 300°C (high temperature)

[0065] A pull-down tubular fabric smoothness measurement method, using the pull-down tubular fabric smoothness measurement device in Example 1, the specific steps are:

[0066] ① Select a heat pipe with a head end corner radius r of 1 mm and a cavity inner diameter D of 15 mm; select fine denier PBO weakly twisted filament yarn as raw material, and design a high-performance tubular woven fabric with a diameter of 16 mm.

[0067] ② One end of the high-performance tubular woven fabric is sleeved on the outer wall of the temperature-controllable heat pipe 11, and the other end is placed between the cover clamp 14 and the connecting rod 13 and clamped by the fastening screw 15.

[0068] ③ start the heat pipe 21, and control the temperature of the wall of the heat pipe 21 to be 300° C. (high temperature).

[0069] 4. Start the stepping motor 31 to make it...

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
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PUM

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Abstract

The invention provides a pull-down apparatus and method for measuring smooth property of tubular fabric in pulling-out process. The pull-down apparatus for measuring smooth property of tubular fabric in pulling-out process is characterized in that the apparatus comprises a plunger cylinder mechanism, a thermal cavity mechanism, a pulling-out mechanism and a fixing mechanism; the fixing mechanism comprises a base plate, a left fixed bar and a right fixed bar, wherein the left fixed bar and the right fixed bar are both fixed on the base plate; the pulling-out mechanism comprises a stepping motor, a transmission mechanism, a left screw rod and a right screw rod, wherein the stepping motor is fixed on the base plate, the left screw rod is sleeved in the left fixed bar, and the right screw rod is sleeved in the right fixed bar. The apparatus and method can be used for measuring smooth property of tubular fabric which is sleeved on a thermotube wall in the pulling-out process at different temperatures, and the apparatus and method has the advantages of simple structure, exquisite mechanism, and simple and fast measurement.

Description

technical field [0001] The invention belongs to the technical field of textile precision measuring instruments, and relates to a measurement and method for the smoothness of drawing when a pull-down tubular fabric is socketed on the wall of a heat pipe, in particular, the tubular fabric used under different temperature conditions is socketed on the heat pipe Withdrawal smoothness measurement on the wall. Background technique [0002] At present, there are many patents and researches on the weaving and forming of tubular fabrics, and there are other reports on tools or measures for weaving tubular woven fabrics with uniform density. These patents and related researches have laid the foundation for weaving tubular fabrics, but none of them involve A pull-down tubular fabric sleeved on the heat pipe wall for smoothness measurement device and method, also does not relate to the smoothness of the tubular fabric sleeved on the heat pipe wall used under different temperature condit...

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
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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N19/02G01N19/04
CPCG01N19/02G01N19/04
Inventor 于伟东丁作伟杜赵群刘晓艳
Owner DONGHUA UNIV
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