CN103267463A - Measuring device for spring washer elasticity test and measuring method thereof - Google Patents
Measuring device for spring washer elasticity test and measuring method thereof Download PDFInfo
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- CN103267463A CN103267463A CN2013101479305A CN201310147930A CN103267463A CN 103267463 A CN103267463 A CN 103267463A CN 2013101479305 A CN2013101479305 A CN 2013101479305A CN 201310147930 A CN201310147930 A CN 201310147930A CN 103267463 A CN103267463 A CN 103267463A
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- spring washer
- oil cylinder
- beam hanger
- adapter sleeve
- top board
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Abstract
The invention discloses a measuring device for a spring washer elasticity test and a measuring method of the measuring device for the spring washer elasticity test. The measuring device for the spring washer elasticity test comprises a base, a load unit, a pressure measuring unit and a height measuring unit. The load unit comprises an oil cylinder, an oil rod, a connecting sleeve and a top plate. The oil cylinder is vertically installed on the base, the connecting sleeve is installed at the top end of the oil cylinder, the top plate is installed at the top end of the connecting sleeve, a central hole is formed in the middle of the top plate, and the oil rod is vertically installed in the oil cylinder. The pressure measuring unit comprises a pressure gauge and a connecting oil pipe. The pressure gauge is installed on the base, one end of the connecting oil pipe is communicated with the pressure gauge, and the other end of the connecting oil pipe is communicated with the oil cylinder. The height measuring unit comprises a length measuring instrument, a conducting strip and an insulating block. The insulating block is inlaid into the top plate, the conducting strip is arranged in the insulating block in a built-in mode, the length measuring instrument is provided with an ejecting rod, and the length measuring instrument is installed in the central hole in the conducting strip in an inserting mode. The measuring device for the spring washer elasticity test is high in detection speed and accurate in measurement data. The invention further discloses the measuring method using the measuring device for the spring washer elasticity test.
Description
Technical field
The present invention relates to measurement mechanism and measuring method thereof that a kind of spring washer is used, specifically refer to measurement mechanism and measuring method thereof for the spring washer elasticity test.
Background technology
Spring washer is a kind of load of common mechanical product and packing ring in the non-bearing structure of being widely used in, and is used in to be used for preventing nut loosening below the nut, is characterized in low cost, easy for installation, is applicable to and installs and removes position frequently.GB all has the free height after the elasticity test of requirement, particularly spring washer to the size of spring washer.The free height of spring washer comprises the free height of the original state that the harsh output of spring washer is come and the free height after the loading of spring washer after test loads test, the height measurements of two kinds of free heights all is behind the height value by the height value of measuring spring packing ring lower surface and spring washer peak, difference between two height values is the free height value of spring, difference just, one is that the free height of the spring washer of original state is measured, and another is that the free height of the spring washer after loading is measured.The device structure complexity of measuring spring coil free height value can only could detect in the laboratory usually at present, and plot is lengthy and tedious.
Summary of the invention
One of purpose of the present invention provides the measurement mechanism for the spring washer elasticity test, this measurement mechanism not only can be measured the free height of the spring washer of original state, but also can measure the free height of the spring washer after the loading, and detection speed is fast, and measurement data is accurate.
Above-mentioned purpose of the present invention realizes by the following technical solutions: the measurement mechanism that is used for the 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 vertically is installed on the base, the oil-in of oil cylinder is connected with hydraulic oil pump by joint, adapter sleeve is installed in the top of oil cylinder, adapter sleeve is last, all has opening down, and the side has the cylindrical shell of breach, top board is installed in the top of adapter sleeve, cover the upper shed of adapter sleeve, have center pit in the middle of the top board, described beam hanger vertically is installed in the oil cylinder, can move up and down under hydraulic oil cylinder driving, and can be able to put in the tube of adapter sleeve, the last end face of described beam hanger is used for placing spring washer to be measured; Described pressure measurement cell comprises tensimeter and is connected oil pipe, and tensimeter is installed on the base, and the two ends that connect oil pipe are connected with tensimeter and oil cylinder respectively; Described height measurement unit comprises length measuring instrument, conducting strip and collets, collets are inlaid on the top board, the centre of collets also has center pit, conducting strip is built on the collets, the centre of conducting strip also has center pit, conducting strip, collets and top board three's center pit is connected from top to bottom, described length measuring instrument have can spinning in and out push rod, length measuring instrument is inserted on the center pit of conducting strip, the push rod of length measuring instrument can pass conducting strip, enter behind collets and top board three's the center pit in the tube of adapter sleeve, touching places the spring washer of end face on the beam hanger, and then draws the free height of spring washer.
Among the present invention, the center line of described conducting strip, collets and top board three center pit coincides.
Among the present invention, the breach that described adapter sleeve side is offered is two, and two breach are the left-right symmetric shape and distribute.
Among the present invention, described adapter sleeve is installed in the top of oil cylinder by screw.
Among the present invention, described top board is installed in the top of adapter sleeve by screw.
Among the present invention, described base comprises upper plate, lower shoe and back-shaped pedestal, pedestal has inner chamber, upper plate and lower shoe are installed in the top and bottom of pedestal respectively by screw, the inner chamber of cap seal pedestal, described oil cylinder and tensimeter are installed on the upper plate, and described connection oil pipe is built in the inner chamber of envelope pedestal.
Two of purpose of the present invention provides the measuring method that adopts the above-mentioned measurement mechanism that is used for the spring washer elasticity test, and this method is simple to operate, the degree of accuracy height.
Adopt the measuring method of the above-mentioned measurement mechanism that is used for the spring washer elasticity test, this method comprises the steps:
1, above-mentioned measurement mechanism is installed, the oil cylinder of measurement mechanism is connected with hydraulic pump by joint;
2, the push rod that screws out length measuring instrument downwards touches the upper surface of beam hanger until push rod, measures the height value M of upper surface under the no-load effect of beam hanger, and 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, and the height that rises until push rod is higher than the lower surface of top board, guarantees that spring washer can not run into push rod when spring washer contacts with top board;
4, spring washer to be measured is placed the center of beam hanger, beam hanger is positioned at adapter sleeve, this moment, beam hanger was in initial position, according to relevant regulations, the operation hydraulic pump loads oil cylinder, and in-oil cylinder beam hanger moves up under the oil pressure effect, drives spring washer and also moves up, final spring washer is squeezed between beam hanger and the top board, and the roof pressure power that made progress by beam hanger loads;
5, spring washer is observed manometric numerical value in loading procedure, when the numerical value of tensimeter demonstration reaches requiring of correlation standard, stops to load and unloading, and unloading back beam hanger moves down;
6, according to related request, repeating step 4,5 carries out three times to spring washer continuously and loads and unloading operation;
7, spring washer is loaded and completion of discharge after, beam hanger is moved downward to initial position, this initial position is the initial position described in the step 4, the push rod that screws out length measuring instrument then downwards touches the peak of spring washer until push rod, the height value N of measuring spring packing ring peak, this height value N is the measured value of the spring washer free height after loading;
8, the difference between calculating measured value and two height values of reference value, 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, and field test spring washer whether qualified broken away from the electric armour clamp annex and had only the lengthy and tedious plot that under lab could check.
(2) measurement mechanism check speed of the present invention is fast, and behind the corresponding load of Standard Selection, directly manual loading is loaded and adopted 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, when the upper end of dip stick metal part with after the spring washer peak contacts, alarm activation, the data that directly read on the dip stick get final product then, have broken away from the randomness error that manual read in the past fetches data.This static pressure with measure integratedly, it is convenient not only to measure, more standard the consistance of data.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the one-piece construction synoptic diagram of measurement mechanism of the present invention;
Fig. 2 is the front elevation that measurement mechanism of the present invention has 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, connect oil pipe; 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 that is used for the 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 vertically is installed on the base, the oil-in of oil cylinder 12 is connected with hydraulic oil pump by joint 13, adapter sleeve 10 is installed in the top of oil cylinder 12 by screw, adapter sleeve 10 is last, all has opening down, and the side has the cylindrical shell of breach 10a, the breach 10a that adapter sleeve 10 sides are offered is two, two breach 10a are the left-right symmetric shape and distribute, top board 9 is installed in the top of adapter sleeve 10 by screw, cover the upper shed of adapter sleeve 10, have center pit in the middle of the top board 9, beam hanger 11 vertically is installed in the oil cylinder 12, can move up and down under oil cylinder 12 drives, and can be able to put in the tube of adapter sleeve 10, the last end face of beam hanger 11 is used for placing spring washer 100 to be measured; Pressure measurement cell comprises tensimeter 5 and is connected oil pipe 3, tensimeter 5 is digital pressure gauge, tensimeter 5 is installed on the base, the two ends that connect oil pipe 3 are connected with tensimeter 5 and oil cylinder 12 respectively, measure the pressure of oil cylinder 12 inner chambers by tensimeter 5, can get the size of fuel-displaced 11 power that produce 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 the top board 9, the centre of collets 8 also has center pit, conducting strip 7 is built on the collets 8, the centre of conducting strip 7 also has center pit, conducting strip 7, collets 8 and top board 9 threes' center pit is connected from top to bottom, and conducting strip 7, the center line of collets 8 and top board 9 three's center pits coincides, length measuring instrument 6 have can spinning in and out push rod 61, when touching object, push rod 61 sends signal to length measuring instrument 6, directly read the data of measuring this moment by length measuring instrument 6, 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 behind collets 8 and top board 9 threes' the center pit in the tube of adapter sleeve 10, touching places the spring washer 100 of end face on the beam hanger 11, and then draws 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 installed in 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 the upper plate 4, connect oil pipe 3 and are built in the inner chamber that seals pedestal 2.
The measurement mechanism of present embodiment not only can be measured the free height of the spring washer of original state, but also can measure the free height of the spring washer after the loading.
The measuring method of the free height of the spring washer of the measurement mechanism measurement original state of employing present embodiment, this method comprises the steps:
1, measurement mechanism is installed;
2, the push rod that screws out measurement mechanism downwards touches the upper surface of beam hanger until push rod, measures the height value A of upper surface under the no-load effect of beam hanger, and this height value A is the reference value of spring washer free height;
3, spring washer to be measured is placed the center of beam hanger, the push rod that screws out measurement mechanism downwards touches the peak of spring washer until push rod, 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 calculating measured value and two height values of reference value, D=B-A, the D value of acquisition is the free height value of the spring washer of original state.
The measurement mechanism of employing present embodiment is measured the measuring method of the free height of the spring washer after loading, and this method comprises the steps:
1, measurement mechanism is installed, the oil cylinder of measurement mechanism is connected with hydraulic pump by joint;
2, the push rod that screws out length measuring instrument downwards touches the upper surface of beam hanger until push rod, measures the height value M of upper surface under the no-load effect of beam hanger, and 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, and the height that rises until push rod is higher than the lower surface of top board, guarantees that spring washer can not run into push rod when spring washer contacts with top board;
4, spring washer to be measured is placed the center of beam hanger, beam hanger is positioned at adapter sleeve, this moment, beam hanger was in initial position, according to relevant regulations, the operation hydraulic pump loads oil cylinder, and in-oil cylinder beam hanger moves up under the oil pressure effect, drives spring washer and also moves up, final spring washer is squeezed between beam hanger and the top board, and the roof pressure power that made progress by beam hanger loads;
5, spring washer is observed manometric numerical value in loading procedure, when the numerical value of tensimeter demonstration reaches requiring of correlation standard, stops to load and unloading, and unloading back beam hanger moves down;
6, according to related request, repeating step 4,5 carries out three times to spring washer continuously and loads and unloading operation;
7, spring washer is loaded and completion of discharge after, beam hanger is moved downward to initial position, this initial position is the initial position described in the step 4, the push rod that screws out length measuring instrument then downwards touches the peak of spring washer until push rod, the height value N of measuring spring packing ring peak, this height value N is the measured value of the spring washer free height after loading;
8, the difference between calculating measured value and two height values of reference value, 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 the restriction to protection domain 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 breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; modification, replacement or the change of other various ways that said structure of the present invention is made all should drop within protection scope of the present invention.
Claims (7)
1. the measurement mechanism that is used for the 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) vertically is installed on the base, the oil-in of oil cylinder (12) is connected with hydraulic oil pump by joint (13), adapter sleeve (10) is installed in the top of oil cylinder (12), adapter sleeve (10) is last, all has opening down, and the side has the cylindrical shell of breach (10a), top board (9) is installed in the top of adapter sleeve (10), cover the upper shed of adapter sleeve (10), have center pit in the middle of the top board (9), described beam hanger (11) vertically is installed in the oil cylinder (12), under driving, oil cylinder (12) can move up and down, and can be able to put in the tube of adapter sleeve (10), the last end face of described beam hanger (11) is used for placing spring washer (100) to be measured; Described pressure measurement cell comprises tensimeter (5) and is connected oil pipe (3), and tensimeter (5) is installed on the base, and the two ends that connect oil pipe (3) are connected with tensimeter (5) and oil cylinder (12) respectively; Described height measurement unit comprises length measuring instrument (6), conducting strip (7) and collets (8), collets (8) are inlaid on the top board (9), the centre of collets (8) also has center pit, conducting strip (7) is built on the collets (8), the centre of conducting strip (7) also has center pit, conducting strip (7), collets (8) and top board (9) three's center pit is connected from top to bottom, described length measuring instrument (6) have can spinning in and out push rod (61), 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 behind collets (8) and top board (9) three's the center pit in the tube of adapter sleeve (10), touching places beam hanger (11) to go up the spring washer (100) of end face, and then draws the free height of spring washer (100).
2. the measurement mechanism for the spring washer elasticity test according to claim 1, it 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 the spring washer elasticity test according to claim 1, it is characterized in that: the breach (10a) that described adapter sleeve (10) side is offered is two, two breach (10a) are the left-right symmetric shape and distribute.
4. the measurement mechanism for the spring washer elasticity test according to claim 1, it is characterized in that: described adapter sleeve (10) is installed in the top of oil cylinder (12) by screw.
5. the measurement mechanism for the spring washer elasticity test according to claim 1, it is characterized in that: described top board (9) is installed in the top of adapter sleeve (10) by screw.
6. according to each described measurement mechanism for the spring washer elasticity test 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 installed in 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 the upper plate (4), and described connection oil pipe (3) is built in the inner chamber of envelope pedestal (2).
7. adopt the measuring method of each described measurement mechanism for the spring washer elasticity test of claim 1 to 6, this method comprises the steps:
1), described measurement mechanism is installed, the oil cylinder of measurement mechanism is connected with hydraulic pump by joint;
2) push rod that screws out length measuring instrument, downwards touches the upper surface of beam hanger until push rod, measures the height value M of upper surface under the no-load effect of beam hanger, and 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, the height that rises until push rod is higher than the lower surface of top board, guarantees that spring washer can not run into push rod when spring washer contacts with top board;
4), spring washer to be measured is placed the center of beam hanger, beam hanger is positioned at adapter sleeve, this moment, beam hanger was in initial position, according to relevant regulations, the operation hydraulic pump loads oil cylinder, and in-oil cylinder beam hanger moves up under the oil pressure effect, drives spring washer and also moves up, final spring washer is squeezed between beam hanger and the top board, and the roof pressure power that made progress by beam hanger loads;
5), spring washer observes manometric numerical value in loading procedure, when the numerical value that shows when tensimeter reaches requiring of correlation standard, stop to load and unloading, unloading back beam hanger moves down;
6), according to related request, repeating step 4,5 carries out three times to spring washer continuously and loads and unloading operation;
7), spring washer is loaded and completion of discharge after, beam hanger is moved downward to initial position, this initial position is the initial position described in the step 4, the push rod that screws out length measuring instrument then downwards touches the peak of spring washer until push rod, the height value N of measuring spring packing ring peak, this height value N is the measured value of the spring washer free height after loading;
8), calculate the difference between measured value and two height values of reference value, P=N-M, the free height value of the spring washer of the P value of acquisition after for 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 CN103267463B (en) | 2015-12-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557780A (en) * | 2013-10-29 | 2014-02-05 | 上海电气电站设备有限公司 | Motor parallel connection ring lead fixing tightness detection method |
| CN104390752A (en) * | 2014-11-26 | 2015-03-04 | 河南航天精工制造有限公司 | Gasket elasticity test tooling |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103557780A (en) * | 2013-10-29 | 2014-02-05 | 上海电气电站设备有限公司 | Motor parallel connection ring lead fixing tightness detection method |
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| CN104390752A (en) * | 2014-11-26 | 2015-03-04 | 河南航天精工制造有限公司 | Gasket elasticity test tooling |
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| 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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| Publication number | Publication date |
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| CN103267463B (en) | 2015-12-23 |
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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 |