CN103267463B - For measurement mechanism and the measuring method thereof of spring washer elasticity test - Google Patents
For measurement mechanism and the measuring method thereof of spring washer elasticity test Download PDFInfo
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- CN103267463B CN103267463B CN201310147930.5A CN201310147930A CN103267463B CN 103267463 B CN103267463 B CN 103267463B CN 201310147930 A CN201310147930 A CN 201310147930A CN 103267463 B CN103267463 B CN 103267463B
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- spring washer
- oil cylinder
- beam hanger
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Abstract
The invention discloses the measurement mechanism for spring washer elasticity test and measuring method thereof, this measurement mechanism comprises base, loading unit, pressure measurement cell and height measurement unit, loading unit comprises oil cylinder, beam hanger, adapter sleeve and top board, oil cylinder is vertically arranged on base, adapter sleeve is arranged on the top of oil cylinder, mounting of roof plate is on the top of adapter sleeve, and have center pit in the middle of top board, beam hanger is vertically arranged in oil cylinder; Pressure measurement cell comprises tensimeter and connected pipes, and tensimeter is arranged on base, and the two ends of connected pipes are connected with oil cylinder with tensimeter respectively; Height measurement unit comprises length measuring instrument, conducting strip and collets, and collets are inlaid on top board, and conducting strip is built on collets, and length measuring instrument has push rod, and length measuring instrument is inserted on the center pit of conducting strip.This spring washer elasticity test measurement mechanism detection speed is fast, and measurement data is accurate.The present invention discloses the measuring method adopting this measurement mechanism.
Description
Technical field
The present invention relates to a kind of measurement mechanism and measuring method thereof of spring washer, specifically refer to the measurement mechanism for spring washer elasticity test and measuring method thereof.
Background technology
Spring washer be a kind of be widely used in common mechanical product load and non-bearing structure in packing ring, be used in below nut and be used for preventing nut loosening, be characterized in low cost, easy for installation, be applicable to install and remove position frequently.The size of GB to spring washer all has requirement, the free height after the elasticity test of particularly spring washer.The free height of spring washer comprises free height and the free height of spring washer after test loads the loading after testing of the original state that spring washer has just been produced, the height measurements of two kinds of free heights is all by after the height value of measuring spring packing ring lower surface and the height value of spring washer peak, difference between two height values is the free height value of spring, difference just, one is measure the free height of the spring washer of original state, and another is measured the free height of spring washer after loading.The device structure of current measuring spring coil free height value is complicated, and usually could can only detect in laboratory, plot is lengthy and tedious.
Summary of the invention
An object of the present invention is to provide the measurement mechanism for spring washer elasticity test, this measurement mechanism not only can measure the free height of the spring washer of original state, but also the free height of the spring washer after loading can be measured, and detection speed is fast, and measurement data is accurate.
Above-mentioned purpose of the present invention realizes by the following technical solutions: for the measurement mechanism of spring washer elasticity test, it is characterized in that: described measurement mechanism comprises base, loading unit, pressure measurement cell and height measurement unit, described loading unit comprises oil cylinder, beam hanger, adapter sleeve and top board, oil cylinder is vertically arranged on base, the oil-in of oil cylinder is connected with hydraulic oil pump by joint, adapter sleeve is arranged on the top of oil cylinder, adapter sleeve is upper, under all there is opening, and side opening cylindrical shell jaggy, mounting of roof plate is on the top of adapter sleeve, cover the upper shed of adapter sleeve, center pit is had in the middle of top board, described beam hanger is vertically arranged in oil cylinder, can move up and down under hydraulic oil cylinder driving, and can put in the cylinder of adapter sleeve, the upper end face of described beam hanger is for placing spring washer to be measured, described pressure measurement cell comprises tensimeter and connected pipes, and tensimeter is arranged on base, and the two ends of connected pipes are connected with oil cylinder with tensimeter respectively, described height measurement unit comprises length measuring instrument, conducting strip and collets, collets are inlaid on top board, the centre of collets also has center pit, conducting strip is built on collets, the centre of conducting strip also has center pit, conducting strip, collets are connected from top to bottom with the center pit of top board three, described length measuring instrument has can the push rod of spinning in and out, length measuring instrument is inserted on the center pit of conducting strip, the push rod of length measuring instrument can pass conducting strip, enter after the center pit of collets and top board three in the cylinder of adapter sleeve, touching is placed in the spring washer of end face on beam hanger, and then draw the free height of spring washer.
In the present invention, the center line of described conducting strip, collets and top board three center pit coincides.
In the present invention, the breach that described adapter sleeve side is offered is two, two symmetrical shape distributions of breach.
In the present invention, described adapter sleeve is arranged on the top of oil cylinder by screw.
In the present invention, described top board is arranged on the top of adapter sleeve by screw.
In the present invention, described base comprises upper plate, lower shoe and back-shaped pedestal, pedestal has inner chamber, upper plate and lower shoe are arranged on the top and bottom of pedestal respectively by screw, the inner chamber of cap seal pedestal, described oil cylinder and tensimeter are installed on upper plate, and described connected pipes is built in the inner chamber of envelope pedestal.
Two of object of the present invention is to provide the measuring method adopting the above-mentioned measurement mechanism for spring washer elasticity test, and the method is simple to operate, and degree of accuracy is high.
Adopt the measuring method of the above-mentioned measurement mechanism for spring washer elasticity test, the method comprises the steps:
1, installed by above-mentioned measurement mechanism, the oil cylinder of measurement mechanism is connected with hydraulic pump by joint;
2, screw out the push rod of length measuring instrument downwards until push rod touches the upper surface of beam hanger, measure the height value M of upper surface under no-load effect of beam hanger, this height value M is the reference value of spring washer free height;
3, upwards the push rod of length measuring instrument is regained in precession, until the height that push rod rises is higher than the lower surface of top board, guarantees that spring washer can not encounter push rod when spring washer and top plate contact;
4, spring washer to be measured is placed in the center of beam hanger, beam hanger is positioned at adapter sleeve, now beam hanger is in initial position, according to relevant regulations, operation hydraulic pump loads oil cylinder, and in-oil cylinder beam hanger moves up under oil pressure effect, drives spring washer also to move up, final spring washer is squeezed between beam hanger and top board, and loads by beam hanger pressure on top surface upwards;
5, spring washer observes manometric numerical value in loading procedure, and when the numerical value of tensimeter display reaches the requirement of correlation standard, stop loading and unloading, after unloading, beam hanger moves down;
6, according to related request, repeat step 4,5, continuously three compression and decompression operations are carried out to spring washer;
7, after compression and decompression being carried out to spring washer, beam hanger is moved downward to initial position, this initial position is the initial position described in step 4, then the push rod of length measuring instrument is screwed out downwards until push rod touches the peak of spring washer, the height value N of measuring spring packing ring peak, this height value N are the measured value of the spring washer free height after loading;
8, the difference between computation and measurement value and reference value two height values, P=N-M, the P value of acquisition is the free height value of the spring washer after loading.
Compared with prior art, measurement mechanism of the present invention has following remarkable result:
(1) measurement mechanism of the present invention is easy to carry, field test spring washer whether qualified, has broken away from electric armour clamp annex and has only had the lengthy and tedious plot under lab could checked.
(2) measurement mechanism inspection speed of the present invention is fast, and after the corresponding load of Standard Selection, direct manual loading, load adopts digital display type, and it is convenient to measure.
(3) measurement mechanism of the present invention in use, after spring washer stands three static pressure, directly measure free height with the digital display type dip stick of device upper end, after the upper end metallic member of dip stick contacts with spring washer peak, alarm activation, then directly read the data on dip stick, break away from the random error that manual read in the past fetches data.This static pressure is integrated with measurement, not only measures convenience, more the specification consistance of data.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is the one-piece construction schematic diagram of measurement mechanism of the present invention;
Fig. 2 is the front elevation of measurement mechanism of the present invention with partial cutaway;
Fig. 3 is the vertical view of measurement mechanism of the present invention;
Fig. 4 is the explosive view of measurement mechanism of the present invention.
Description of reference numerals
1, lower shoe; 2, pedestal; 3, connected pipes; 4, upper plate; 5, tensimeter;
6, length measuring instrument; 61, push rod; 7, conducting strip; 8, collets; 9, top board;
10, adapter sleeve; 10a, breach; 11, beam hanger; 12, oil cylinder; 13, joint;
100, spring washer
Embodiment
The measurement mechanism for spring washer elasticity test as shown in Figures 1 to 4, comprise base, loading unit, pressure measurement cell and height measurement unit, loading unit comprises oil cylinder 12, beam hanger 11, adapter sleeve 10 and top board 9, oil cylinder 12 is vertically arranged on base, the oil-in of oil cylinder 12 is connected with hydraulic oil pump by joint 13, adapter sleeve 10 is arranged on the top of oil cylinder 12 by screw, adapter sleeve 10 is upper, under all there is opening, and the cylindrical shell of the jagged 10a of side opening, the breach 10a that adapter sleeve 10 side is offered is two, two symmetrical shape distributions of breach 10a, top board 9 is arranged on the top of adapter sleeve 10 by screw, cover the upper shed of adapter sleeve 10, center pit is had in the middle of top board 9, beam hanger 11 is vertically arranged in oil cylinder 12, can move up and down under oil cylinder 12 drives, and can put in the cylinder of adapter sleeve 10, the upper end face of beam hanger 11 is for placing spring washer 100 to be measured, pressure measurement cell comprises tensimeter 5 and connected pipes 3, tensimeter 5 is digital pressure gauge, tensimeter 5 is arranged on base, the two ends of connected pipes 3 are connected with oil cylinder 12 with tensimeter 5 respectively, measured the pressure of oil cylinder 12 inner chamber by tensimeter 5, the size of the power that fuel-displaced 11 produce can be obtained according to the sectional area of cylinder cavity, height measurement unit comprises length measuring instrument 6, conducting strip 7 and collets 8, collets 8 are inlaid on top board 9, the centre of collets 8 also has center pit, conducting strip 7 is built on collets 8, the centre of conducting strip 7 also has center pit, conducting strip 7, collets 8 are connected from top to bottom with the center pit of top board 9 three, and conducting strip 7, the center line of collets 8 and top board 9 three center pit coincides, length measuring instrument 6 has can the push rod 61 of spinning in and out, push rod 61 sends signal to length measuring instrument 6 when touching object, directly read by length measuring instrument 6 data now measured, length measuring instrument 6 is inserted on the center pit of conducting strip 7, the push rod 61 of length measuring instrument 6 can pass conducting strip 7, enter in the cylinder of adapter sleeve 10 after the center pit of collets 8 and top board 9 three, touching is placed in the spring washer 100 of end face on beam hanger 11, and then draw the free height of spring washer 100.
Base in the present embodiment comprises upper plate 4, lower shoe 1 and back-shaped pedestal 2, pedestal 2 has inner chamber, upper plate 4 and lower shoe 1 are arranged on the top and bottom of pedestal 2 respectively by screw, the inner chamber of cap seal pedestal 2, oil cylinder 12 and tensimeter 5 are installed on upper plate 4, and connected pipes 3 is built in the inner chamber of envelope pedestal 2.
The measurement mechanism of the present embodiment not only can measure the free height of the spring washer of original state, but also can measure the free height of the spring washer after loading.
Adopt the measurement mechanism of the present embodiment to measure the measuring method of the free height of the spring washer of original state, the method comprises the steps:
1, measurement mechanism is installed;
2, screw out the push rod of measurement mechanism downwards until push rod touches the upper surface of beam hanger, measure the height value A of upper surface under no-load effect of beam hanger, this height value A is the reference value of spring washer free height;
3, spring washer to be measured is placed in the center of beam hanger, the push rod of downward back-out measurement mechanism is until push rod touches the peak of spring washer, the height value B of measuring spring packing ring peak, this height value B are the measured value of the spring washer free height of original state;
4, the difference between computation and measurement value and reference value two height values, D=B-A, the D value of acquisition is the free height value of the spring washer of original state.
Adopt the measurement mechanism of the present embodiment to measure the measuring method of the free height of the spring washer after loading, the method comprises the steps:
1, installed by measurement mechanism, the oil cylinder of measurement mechanism is connected with hydraulic pump by joint;
2, screw out the push rod of length measuring instrument downwards until push rod touches the upper surface of beam hanger, measure the height value M of upper surface under no-load effect of beam hanger, this height value M is the reference value of spring washer free height;
3, upwards the push rod of length measuring instrument is regained in precession, until the height that push rod rises is higher than the lower surface of top board, guarantees that spring washer can not encounter push rod when spring washer and top plate contact;
4, spring washer to be measured is placed in the center of beam hanger, beam hanger is positioned at adapter sleeve, now beam hanger is in initial position, according to relevant regulations, operation hydraulic pump loads oil cylinder, and in-oil cylinder beam hanger moves up under oil pressure effect, drives spring washer also to move up, final spring washer is squeezed between beam hanger and top board, and loads by beam hanger pressure on top surface upwards;
5, spring washer observes manometric numerical value in loading procedure, and when the numerical value of tensimeter display reaches the requirement of correlation standard, stop loading and unloading, after unloading, beam hanger moves down;
6, according to related request, repeat step 4,5, continuously three compression and decompression operations are carried out to spring washer;
7, after compression and decompression being carried out to spring washer, beam hanger is moved downward to initial position, this initial position is the initial position described in step 4, then the push rod of length measuring instrument is screwed out downwards until push rod touches the peak of spring washer, the height value N of measuring spring packing ring peak, this height value N are the measured value of the spring washer free height after loading;
8, the difference between computation and measurement value and reference value two height values, P=N-M, the P value of acquisition is the free height value of the spring washer after loading.
The above embodiment of the present invention is not limiting the scope of the present invention; embodiment of the present invention is not limited thereto; according to foregoing of the present invention; according to ordinary skill knowledge and customary means; do not departing under the present invention's above-mentioned basic fundamental thought prerequisite; to the amendment of other various ways that said structure of the present invention is made, replacement or change, all should drop within protection scope of the present invention.
Claims (7)
1. for the measurement mechanism of spring washer elasticity test, it is characterized in that: described measurement mechanism comprises base, loading unit, pressure measurement cell and height measurement unit, described loading unit comprises oil cylinder (12), beam hanger (11), adapter sleeve (10) and top board (9), oil cylinder (12) is vertically arranged on base, the oil-in of oil cylinder (12) is connected with hydraulic oil pump by joint (13), adapter sleeve (10) is arranged on the top of oil cylinder (12), adapter sleeve (10) is for upper, under all there is opening, and the cylindrical shell of side opening jagged (10a), top board (9) is arranged on the top of adapter sleeve (10), cover the upper shed of adapter sleeve (10), center pit is had in the middle of top board (9), described beam hanger (11) is vertically arranged in oil cylinder (12), can move up and down under oil cylinder (12) drives, and can put in the cylinder of adapter sleeve (10), the upper end face of described beam hanger (11) is for placing spring washer (100) to be measured, described pressure measurement cell comprises tensimeter (5) and connected pipes (3), and tensimeter (5) is arranged on base, and the two ends of connected pipes (3) are connected with oil cylinder (12) with tensimeter (5) respectively, described height measurement unit comprises length measuring instrument (6), conducting strip (7) and collets (8), collets (8) are inlaid on top board (9), the centre of collets (8) also has center pit, conducting strip (7) is built on collets (8), the centre of conducting strip (7) also has center pit, conducting strip (7), collets (8) are connected from top to bottom with the center pit of top board (9) three, described length measuring instrument (6) has can the push rod (61) of spinning in and out, length measuring instrument (6) is inserted on the center pit of conducting strip (7), the push rod (61) of length measuring instrument (6) can pass conducting strip (7), enter after the center pit of collets (8) and top board (9) three in the cylinder of adapter sleeve (10), touching is placed in the spring washer (100) of the upper end face of beam hanger (11), and then draw the free height of spring washer (100).
2. the measurement mechanism for spring washer elasticity test according to claim 1, is characterized in that: the center line of described conducting strip (7), collets (8) and top board (9) three's center pit coincides.
3. the measurement mechanism for spring washer elasticity test according to claim 1, is characterized in that: the breach (10a) that described adapter sleeve (10) side is offered is two, two symmetrical shape distributions of breach (10a).
4. the measurement mechanism for spring washer elasticity test according to claim 1, is characterized in that: described adapter sleeve (10) is arranged on the top of oil cylinder (12) by screw.
5. the measurement mechanism for spring washer elasticity test according to claim 1, is characterized in that: described top board (9) is arranged on the top of adapter sleeve (10) by screw.
6. the measurement mechanism for spring washer elasticity test according to any one of claim 1 to 5, it is characterized in that: described base comprises upper plate (4), lower shoe (1) and back-shaped pedestal (2), pedestal (2) has inner chamber, upper plate (4) and lower shoe (1) are arranged on the top and bottom of pedestal (2) respectively by screw, the inner chamber of cap seal pedestal (2), described oil cylinder (12) and tensimeter (5) are installed on upper plate (4), and described connected pipes (3) is built in the inner chamber of envelope pedestal (2).
7. adopt the measuring method of the measurement mechanism for spring washer elasticity test described in any one of claim 1 to 6, the method comprises the steps:
1), by described measurement mechanism install, the oil cylinder of measurement mechanism is connected with hydraulic pump by joint;
2), screw out the push rod of length measuring instrument downwards until push rod touches the upper surface of beam hanger, measure the height value M of upper surface under no-load effect of beam hanger, this height value M is the reference value of spring washer free height;
3), upwards precession regain the push rod of length measuring instrument, until the height that push rod rises is higher than the lower surface of top board, guarantee that spring washer can not encounter push rod when spring washer and top plate contact;
4), spring washer to be measured is placed in the center of beam hanger, beam hanger is positioned at adapter sleeve, now beam hanger is in initial position, according to relevant regulations, operation hydraulic pump loads oil cylinder, and in-oil cylinder beam hanger moves up under oil pressure effect, drives spring washer also to move up, final spring washer is squeezed between beam hanger and top board, and loads by beam hanger pressure on top surface upwards;
5), spring washer observes manometric numerical value in loading procedure, and when the numerical value of tensimeter display reaches the requirement of correlation standard, stop loading and unloading, unloading afterwards beam hanger moves down;
6), according to related request, repeat step 4,5, continuously three compression and decompression operations are carried out to spring washer;
7) after, compression and decompression being carried out to spring washer, beam hanger is moved downward to initial position, this initial position is the initial position described in step 4, then the push rod of length measuring instrument is screwed out downwards until push rod touches the peak of spring washer, the height value N of measuring spring packing ring peak, this height value N are the measured value of the spring washer free height after loading;
8) difference, between computation and measurement value and reference value two height values, P=N-M, the P value of acquisition is the free height value of the spring washer after loading.
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| CN201310147930.5A CN103267463B (en) | 2013-04-25 | 2013-04-25 | For measurement mechanism and the measuring method thereof of spring washer elasticity test |
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| CN201310147930.5A CN103267463B (en) | 2013-04-25 | 2013-04-25 | For measurement mechanism and the measuring method thereof of spring washer elasticity test |
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| CN103267463B true CN103267463B (en) | 2015-12-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN104390752B (en) * | 2014-11-26 | 2017-06-16 | 河南航天精工制造有限公司 | Packing ring elasticity test frock |
| CN111122351A (en) * | 2019-11-27 | 2020-05-08 | 河南航天精工制造有限公司 | Spring washer toughness test device |
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| CN201007641Y (en) * | 2007-01-30 | 2008-01-16 | 南京金城机械有限公司 | Axial clearance adjusting spacer thickness measurement instrument with elastic modulus bearing |
| CN102062568A (en) * | 2010-12-08 | 2011-05-18 | 浙江华电器材检测研究所 | Height measuring device of spring washer elasticity test |
| CN202814308U (en) * | 2012-09-28 | 2013-03-20 | 山东湖西王集团有限公司 | Measuring device for bearing washer inner circular arc surface |
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| JP2863907B2 (en) * | 1995-09-26 | 1999-03-03 | 大同メタル工業株式会社 | Bearing height measuring device for half flat bearings |
| JPH10213495A (en) * | 1997-01-30 | 1998-08-11 | Iwate Toshiba Electron Kk | Spring-load measuring apparatus |
| KR100225803B1 (en) * | 1997-06-05 | 1999-10-15 | 이성구 | Transmission segment manufacture device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007641Y (en) * | 2007-01-30 | 2008-01-16 | 南京金城机械有限公司 | Axial clearance adjusting spacer thickness measurement instrument with elastic modulus bearing |
| CN102062568A (en) * | 2010-12-08 | 2011-05-18 | 浙江华电器材检测研究所 | Height measuring device of spring washer elasticity test |
| CN202814308U (en) * | 2012-09-28 | 2013-03-20 | 山东湖西王集团有限公司 | Measuring device for bearing washer inner circular arc surface |
| CN203298951U (en) * | 2013-04-25 | 2013-11-20 | 广东电网公司电力科学研究院 | Measure apparatus for spring washer elasticity test |
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Address after: 510080 Dongfeng East Road, Dongfeng, Guangdong, Guangzhou, Zhejiang Province, No. 8 Patentee after: ELECTRIC POWER RESEARCH INSTITUTE, GUANGDONG POWER GRID CO., LTD. Address before: 510080 Dongfeng East Road, Guangdong, Guangzhou, water, Kong Kong, No. 8 Patentee before: Electrical Power Research Institute of Guangdong Power Grid Corporation |