CN103278409B - Detection device and detection method for elastic characteristic value of small-scale dish-shaped gasket - Google Patents

Detection device and detection method for elastic characteristic value of small-scale dish-shaped gasket Download PDF

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Publication number
CN103278409B
CN103278409B CN201310153995.0A CN201310153995A CN103278409B CN 103278409 B CN103278409 B CN 103278409B CN 201310153995 A CN201310153995 A CN 201310153995A CN 103278409 B CN103278409 B CN 103278409B
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China
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tensile
testing machine
compression testing
detection
gauge head
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CN103278409A (en
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陈世良
王莉
郭华芝
张克强
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Henan Costar Group Co Ltd
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Henan Costar Group Co Ltd
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Abstract

The invention discloses a detection device and a detection method for an elastic characteristic value of a small-scale dish-shaped gasket. The detection device is provided with a support fixed on a lower plate of a tension-compression test machine, wherein the support extends to the upper part of an upper pressing plate of the tension-compression test machine, with a bent portion, and the bent portion is provided with a dial gauge head testing the down-pressing size of the upper pressing plate of the tension-compression test machine; and a pedestal is placed on the lower plate of the tension-compression test machine, and a deformation standard block detecting a deflection amount of the tension-compression test machine is placed on the pedestal. When the elastic characteristic value of a small-scale dish-shaped gasket type part with a smaller deflection amount is measured, the detection device of the invention is disposed on the tension-compression test machine, and therefore the disadvantages that the self rigidity of the tension-compression test machine changes and the deflection amount cannot be measured accurately can be overcomed, the measuring accuracy and the repeated measuring precision of the elastic characteristic value of the dish-shaped gasket type part are assured, and the provided data is guaranteed to be accurate.

Description

Small size saucer washer characteristic value of elastic pick-up unit and detection method thereof
Technical field
The invention belongs to elastic force testing tool technical field, be specifically related to a kind of small size saucer washer characteristic value of elastic pick-up unit and detection method thereof.
Background technology
Typical part butterfly gasket is often run in product design, characteristic value of elastic under some important use occasions need to be given in certain distortion, because without special measurement instrument, the measurement of characteristic value of elastic is generally carry out on spring tension and compression testing machine (hereinafter referred to as testing machine).But on testing machine, concrete measurement in practice finds that the characteristic value of elastic of Measurement accuracy under certain distortion has following deficiency: a) testing machine stiffness by itself deficiency produces the value of elastic change that small deformation brings; B) on testing machine, not easily accurately determine the distortion value of part.Just because of the existence of above 2, cause the characteristic value of elastic difficulty of Measurement accuracy butterfly gasket, particularly the butterfly gasket characteristic value of elastic accuracy of small size, small deformation and repeatability can not be guaranteed, and make to obtain accurate characteristics value of elastic data in production practices.
Summary of the invention
Overcome existing deficiency, the object of the present invention is to provide a kind of precision high, can the small size saucer washer characteristic value of elastic pick-up unit of Measurement accuracy butterfly gasket characteristic value of elastic.
Another object of the present invention is to the detection method that a kind of small size saucer washer characteristic value of elastic pick-up unit is provided.
For achieving the above object, the technical solution used in the present invention is: this small size saucer washer characteristic value of elastic pick-up unit, there is the support be fixed on tensile and compression testing machine lower shoe, it is characterized in that: the top that described support extends to tensile and compression testing machine top board has bending part, described bending part is fixed with clock gauge head, the size that described clock gauge head presses down for measuring tensile and compression testing machine top board, described tensile and compression testing machine lower shoe being placed with base, base being placed with the Set criteria block for detecting tensile and compression testing machine deflection.
A kind of small size saucer washer characteristic value of elastic detection method, is characterized in that operating in the steps below:
1, the support of pick-up unit of the present invention is fixed on tensile and compression testing machine lower shoe;
2, clock gauge head is fixed to the bending part of frame upper, uses clock gauge head accurately to indicate distortion value;
3, be put into by Set criteria block on the cushion block be positioned on tensile and compression testing machine lower shoe, for reducing error, Set criteria block will be put under clock gauge head contact, and when in like manner measuring, part also will be put under clock gauge head contact;
4, the top board of tensile and compression testing machine is pressed onto above Set criteria block, and continues to pressing down, until the indicating value dial plate of tensile and compression testing machine is docked to the nominal value of characteristic value of elastic, now clock gauge head is reset;
5, decontrol the top board of tensile and compression testing machine, take out Set criteria block, then put into tested part, the top board of tensile and compression testing machine is pressed onto on part, until clock gauge head is to null value, reading the indicating value of tensile and compression testing machine, is exactly specifying the characteristic value of elastic under distortion size.
Adopt the beneficial effect of technique scheme: this small size saucer washer characteristic value of elastic pick-up unit is the accessory be fitted on testing machine, this device is provided with clock gauge head, clock gauge head to be fixed on support and by contact and tensile and compression testing machine top board surface contact, the change of accurate instruction elastic washer deflection, and obtained the value of elastic of elastic washer by pressing machine when corresponding deformation amount, directly can read value of elastic from tensile and compression testing machine, intuitive and convenient.This device also has Set criteria block, and Set criteria block demarcates the deflection zero point of packing ring setting, revises the error that pressing machine brings in the equipment rigid deformation detected within the scope of value of elastic simultaneously, ensures the repeatable accuracy detecting data.Compared with prior art, this pick-up unit energy Accurate Determining and instruction deformation values, effectively overcome lower platen on tensile and compression testing machine simultaneously and produce because rigidity is not enough the change that distortion brings elastic force value in pressurized process, ensure that the Stability and veracity that characteristic value of elastic is measured.Through practice, effect is better, to ensureing that product quality plays a good role.This detection method is simple, easy to operate, adapts to the detection of various small size saucer washer characteristic value of elastic.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention.
Embodiment
Small size saucer washer characteristic value of elastic pick-up unit as shown in Figure 1, there is the support 2 be fixed on tensile and compression testing machine lower shoe 6, the top that described support extends to tensile and compression testing machine top board 3 has bending part, described bending part is fixed with clock gauge head 1, the size that described clock gauge head presses down for measuring tensile and compression testing machine top board, described tensile and compression testing machine lower shoe 6 being placed with base 5, base being placed with the Set criteria block 4 for detecting tensile and compression testing machine deflection.
A kind of small size saucer washer characteristic value of elastic detection method, is characterized in that operating in the steps below:
1) support of pick-up unit of the present invention is fixed on tensile and compression testing machine lower shoe;
2) clock gauge head is fixed to the bending part of frame upper, uses clock gauge head accurately to indicate distortion value;
3) be put into by Set criteria block on the cushion block be positioned on tensile and compression testing machine lower shoe, for reducing error, Set criteria block will be put under clock gauge head contact, and when in like manner measuring, part also will be put under clock gauge head contact;
4) top board of tensile and compression testing machine is pressed onto above Set criteria block, and continues to pressing down, until the indicating value dial plate of tensile and compression testing machine is docked to the nominal value of characteristic value of elastic, now clock gauge head is reset;
5) decontrol the top board of tensile and compression testing machine, take out Set criteria block, then put into tested part, the top board of tensile and compression testing machine is pressed onto on part, until clock gauge head is to null value, reading the indicating value of tensile and compression testing machine, is exactly specifying the characteristic value of elastic under distortion size.

Claims (1)

1. a small size saucer washer characteristic value of elastic detection method, it is characterized in that: this detection method adopts small size saucer washer characteristic value of elastic pick-up unit to detect, this pick-up unit has the support be fixed on tensile and compression testing machine lower shoe, the top that described support extends to tensile and compression testing machine top board has bending part, described bending part is fixed with clock gauge head, the size that described clock gauge head presses down for measuring tensile and compression testing machine top board, described tensile and compression testing machine lower shoe is placed with base, base is placed with the Set criteria block for detecting tensile and compression testing machine deflection, this detection method operates in the steps below:
1). the support of described pick-up unit is fixed on tensile and compression testing machine lower shoe;
2). clock gauge head is fixed to the bending part of frame upper, uses clock gauge head accurately to indicate distortion value;
3). be put into by Set criteria block on the base be positioned on tensile and compression testing machine lower shoe, for reducing error, Set criteria block will be put under clock gauge head contact, and when in like manner measuring, part also will be put under clock gauge head contact;
4). the top board of tensile and compression testing machine is pressed onto above Set criteria block, and continues to pressing down, until the indicating value dial plate of tensile and compression testing machine is docked to the nominal value of characteristic value of elastic, now clock gauge head is reset;
5). decontrol the top board of tensile and compression testing machine, take out Set criteria block, then put into tested part, the top board of tensile and compression testing machine is pressed onto on part, until clock gauge head is to null value, reading the indicating value of tensile and compression testing machine, is exactly specifying the characteristic value of elastic under distortion size.
CN201310153995.0A 2013-04-28 2013-04-28 Detection device and detection method for elastic characteristic value of small-scale dish-shaped gasket Active CN103278409B (en)

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CN201310153995.0A CN103278409B (en) 2013-04-28 2013-04-28 Detection device and detection method for elastic characteristic value of small-scale dish-shaped gasket

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Application Number Priority Date Filing Date Title
CN201310153995.0A CN103278409B (en) 2013-04-28 2013-04-28 Detection device and detection method for elastic characteristic value of small-scale dish-shaped gasket

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CN103278409B true CN103278409B (en) 2015-05-20

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CN103557780B (en) * 2013-10-29 2016-08-17 上海电气电站设备有限公司 A kind of fixing tightness detection method of motor parallel ring lead-in wire
CN104634552B (en) * 2014-11-28 2017-06-09 安徽江淮汽车集团股份有限公司 Back-up ring compressive strength test frock and test method
CN106018494A (en) * 2016-07-07 2016-10-12 昆山汉品电子有限公司 Compression and resilience testing equipment

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CN2457595Y (en) * 2001-01-11 2001-10-31 华东理工大学 Compression and resilience tester for gesket material
US6671632B2 (en) * 2002-05-14 2003-12-30 General Electric Company Methods and apparatus for determining resilience of spring washers
CN101655437B (en) * 2009-09-21 2011-11-16 南京工业大学 High-temperature comprehensive property evaluation experimental device of sealing spacer
CN102062568B (en) * 2010-12-08 2012-07-11 浙江华电器材检测研究所 Height measuring device of spring washer elasticity test
CN202494608U (en) * 2011-12-27 2012-10-17 江门市本和机车配件实业有限公司 High/low-temperature compression resilience performance tester for rubber composite sealing gasket
CN203224413U (en) * 2013-04-28 2013-10-02 河南中光学集团有限公司 Device for detecting characteristic elasticity value of small-size disc gasket

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