CN203298951U - Measure apparatus for spring washer elasticity test - Google Patents

Measure apparatus for spring washer elasticity test Download PDF

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Publication number
CN203298951U
CN203298951U CN2013202167753U CN201320216775U CN203298951U CN 203298951 U CN203298951 U CN 203298951U CN 2013202167753 U CN2013202167753 U CN 2013202167753U CN 201320216775 U CN201320216775 U CN 201320216775U CN 203298951 U CN203298951 U CN 203298951U
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CN
China
Prior art keywords
spring washer
oil cylinder
adapter sleeve
top board
conducting strip
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN2013202167753U
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Chinese (zh)
Inventor
何凤生
聂铭
张春雷
李鹏云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Electric Power Research Institute of Guangdong Power Grid Co Ltd
Original Assignee
Electric Power Research Institute of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN2013202167753U priority Critical patent/CN203298951U/en
Application granted granted Critical
Publication of CN203298951U publication Critical patent/CN203298951U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a measure apparatus for a spring washer elasticity test. The measure apparatus comprises a pedestal, a loading unit, a pressure measure unit and a height measure unit. The loading unit comprises an oil cylinder, an oil rod, a connecting sleeve and a top board. The oil cylinder is vertically arranged on the pedestal, the connecting sleeve is arranged at the top end of the oil cylinder, the top board is arranged at the top end of the connecting sleeve, the center of the top board is provided with a center hole, and the oil rod is vertically arranged in the oil cylinder. The pressure measure unit comprises a compression gauge and a connection oil pipe, the compression gauge is arranged on the pedestal, and two ends of the connection oil pipe are respectively communicated with the compression gauge and the oil cylinder. The height measure unit comprises a length measuring instrument, a conducting strip and an insulation block. The insulation block is inserted to the top board, the conducting strip is arranged in the insulation block, the length measuring instrument has a push rod, and the length measuring instrument is inserted in the center hole of the conducting strip. The detection speed of the measure apparatus is high, and the measure data is accurate.

Description

A kind of measurement mechanism for spring washer elasticity test
Technical field
The utility model relates to the measurement mechanism that a kind of spring washer is used, and specifically refers to a kind of measurement mechanism for 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 below nut and is used for preventing nut loosening, is characterized in low cost, easy for installation, is applicable to install and remove 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 spring washer has just been produced and the free height after the loading of spring washer after test loads test, the height measurements of two kinds of free heights is all after 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 of measuring spring coil free height value is complicated at present, usually can only could detect in laboratory, and plot is lengthy and tedious.
The utility model content
The purpose of this utility model is to provide a kind of measurement mechanism for 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 loading, and detection speed is fast, and measurement data is accurate.
above-mentioned purpose of the present utility model realizes by the following technical solutions: the measurement mechanism that is used for 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 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 have 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, have center pit in the middle of top board, described beam hanger vertically is arranged in oil cylinder, can move up and down under hydraulic oil cylinder driving, and can be able to put in the cylinder of adapter sleeve, the upper end face of described beam hanger is used 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 tensimeter and oil cylinder 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 and top board three's center pit is connected from top to bottom, described length measuring instrument has push rod that can 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 collets and top board three's center pit 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 utility model, the center line of described conducting strip, collets and top board three center pit coincides.
In the utility model, the breach that described adapter sleeve side is offered is two, and two breach are the left-right symmetric shape and distribute.
In the utility model, described adapter sleeve is arranged on the top of oil cylinder by screw.
In the utility model, described top board is arranged on the top of adapter sleeve by screw.
In the utility model, described base comprises upper plate, lower shoe and back-shaped pedestal, pedestal has inner chamber, upper plate and lower shoe are arranged on respectively the top and bottom of pedestal 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.
Compared with prior art, measurement mechanism of the present utility model has following remarkable result:
(1) measurement mechanism of the present utility model is easy to carry, and field test spring washer whether qualified broken away from the electric armour clamp annex and only had the lengthy and tedious plot that under lab could check.
(2) measurement mechanism check speed of the present utility model is fast, and after load corresponding according to Standard Selection, directly manual loading, load and adopt digital display type, and it is convenient to measure.
(3) measurement mechanism of the present utility model in use, after spring washer stands three static pressure, directly with the digital display type dip stick of device upper end, measure free height, when the upper end of dip stick metal part with after the spring washer peak contacts, alarm activation, then the data that directly read on dip stick get final product, and 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 utility model is described in further detail.
Fig. 1 is the one-piece construction schematic diagram of the utility model measurement mechanism;
Fig. 2 is the front elevation of the utility model measurement mechanism with partial cutaway;
Fig. 3 is the vertical view of the utility model measurement mechanism;
Fig. 4 is the explosive view of the utility model measurement mechanism.
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
a kind of 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 vertically is 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 have opening, and the cylindrical shell of the jagged 10a of side opening, 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 arranged on the top of adapter sleeve 10 by screw, cover the upper shed of adapter sleeve 10, have center pit in the middle of top board 9, beam hanger 11 vertically is arranged in oil cylinder 12, under driving, oil cylinder 12 can move up and down, and can be able to put in the cylinder of adapter sleeve 10, the upper end face of beam hanger 11 is used for placing spring washer to be measured 100, 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 tensimeter 5 and oil cylinder 12 respectively, measure the pressure of oil cylinder 12 inner chambers by tensimeter 5, can obtain 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 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 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 has push rod 61 that can spinning in and out, when touching object, push rod 61 sends signal to length measuring instrument 6, directly by length measuring instrument 6, read the data of measuring this moment, 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 collets 8 and top board 9 threes' center pit in the cylinder of adapter sleeve 10, 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 respectively the top and bottom of pedestal 2 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 be measured the free height of the spring washer of original state, but also can measure the free height of the spring washer after loading.
The measuring method of the free height of the spring washer of the measurement mechanism measurement original state of employing the present embodiment, 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 the 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, screw out the push rod of measurement mechanism downwards 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 two height values of computation and measurement value and 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 the present embodiment is measured the measuring method of the free height of the spring washer after loading, and the method comprises the steps:
1, measurement mechanism is installed, 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 the 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 guarantees that higher than the lower surface of top board spring washer can not encountered push rod when spring washer contacts with top board;
4, spring washer to be measured is placed in 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 top board, and loaded by the pressure on top surface that beam hanger makes progress;
5, spring washer is observed manometric numerical value in loading procedure, when the numerical value of tensimeter demonstration reaches requiring of correlation standard, stops loading and unloading, and after unloading, beam hanger moves down;
6, according to related request, repeating step 4,5, carry out three times to spring washer continuously and load 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 step 4, then screw out the push rod of length measuring instrument downwards until push rod touches the peak of spring washer, 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 two height values of computation and measurement value and reference value, P=N-M, the P value of acquisition is the free height value of the spring washer after loading.
Above-described embodiment of the present utility model is not the restriction to the utility model protection domain; the utility model embodiment is not limited to this; according to foregoing of the present utility model; according to ordinary skill knowledge and customary means; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; modification, replacement or the change of other various ways that the utility model said structure is made, within all should dropping on protection domain of the present utility model.

Claims (6)

1. measurement mechanism that is used for 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 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 upper, under all have 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), have center pit in the middle of top board (9), described beam hanger (11) vertically is arranged in oil cylinder (12), under driving, oil cylinder (12) can move up and down, and can be able to put in the cylinder of adapter sleeve (10), the upper end face of described beam hanger (11) is used for placing spring washer to be measured (100), 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 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 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) and top board (9) three's center pit is connected from top to bottom, described length measuring instrument (6) has push rod (61) that can 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 collets (8) and top board (9) three's center pit 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, 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 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 spring washer elasticity test according to claim 1, it 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, it is characterized in that: described top board (9) is arranged on the top of adapter sleeve (10) by screw.
6. the described measurement mechanism for spring washer elasticity test of according to claim 1 to 5 any one, 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 respectively the top and bottom of pedestal (2) 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).
CN2013202167753U 2013-04-25 2013-04-25 Measure apparatus for spring washer elasticity test Withdrawn - After Issue CN203298951U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013202167753U CN203298951U (en) 2013-04-25 2013-04-25 Measure apparatus for spring washer elasticity test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013202167753U CN203298951U (en) 2013-04-25 2013-04-25 Measure apparatus for spring washer elasticity test

Publications (1)

Publication Number Publication Date
CN203298951U true CN203298951U (en) 2013-11-20

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ID=49574956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013202167753U Withdrawn - After Issue CN203298951U (en) 2013-04-25 2013-04-25 Measure apparatus for spring washer elasticity test

Country Status (1)

Country Link
CN (1) CN203298951U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267463A (en) * 2013-04-25 2013-08-28 广东电网公司电力科学研究院 Measuring device for spring washer elasticity test and measuring method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267463A (en) * 2013-04-25 2013-08-28 广东电网公司电力科学研究院 Measuring device for spring washer elasticity test and measuring method thereof
CN103267463B (en) * 2013-04-25 2015-12-23 广东电网公司电力科学研究院 For measurement mechanism and the measuring method thereof of spring washer elasticity test

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20131120

Effective date of abandoning: 20151223

C25 Abandonment of patent right or utility model to avoid double patenting