CN110389073A - It is a kind of for measuring the test tool of O-ring seal tensile property - Google Patents
It is a kind of for measuring the test tool of O-ring seal tensile property Download PDFInfo
- Publication number
- CN110389073A CN110389073A CN201910813294.2A CN201910813294A CN110389073A CN 110389073 A CN110389073 A CN 110389073A CN 201910813294 A CN201910813294 A CN 201910813294A CN 110389073 A CN110389073 A CN 110389073A
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- measuring
- ring seal
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- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000001727 in vivo Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 229920001971 elastomer Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0017—Tensile
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of for measuring the test tool of O-ring seal tensile property, including main body, locking nut, detachably threaded connection body, bearing, sample placement body, pin；Lower body part is equipped with the internal thread hole perpendicular to body top column, and body top column is equipped with through-hole, is located at the position below through-hole equipped with external screw thread in body top column external surface；Locking nut is threaded on the external screw thread of body top outer surface；Sample places the cylinder that body is both ends open, and lateral surface is equipped with annular groove；Bearing, which is fixed, places the cylinder in internal portion in sample；The detachable body one end that is threadedly coupled is the end of thread, and the other end is cylindrical end, and the end of thread is threaded in the internal thread hole of lower body part, and cylindrical end fixes in bearing；Pin is the column structure that diameter is less than through-hole.The present invention can effectively improve detection efficiency, promote detection accuracy and structure is simple, operation is easy, time saving and energy saving, repair and maintenance is convenient and at low cost.
Description
Technical field
The present invention relates to a kind of performance detection test tools, and in particular to one kind is for measuring O-ring seal tensile property
Test tool.
Background technique
In Ministry of Aeronautics Industry, People's Republic of China (PRC) ministerial standard HB5233-83 " rubber o-ring Erichsen test method "
In requirement to the fixture of O-ring Erichsen test see 2.3.6, rubber o-ring draftability is disclosed only in the standard
Can the test fixture of test be mainly made of the upper and lower two axis wheels with ball bearing, when test, O-ring is covered and to the greatest extent may be used
On the axis wheel of upper and lower fixture that can be close, makes sample not Tensile stress, connect extension measurement system, and adjust zero point (i.e.
When determining that the elongation of perimeter in o type circle is equal to zero, the centers of two axis wheels away from), starting puller system, (puller system meets GB/T
528-1998 " measurement of vulcanized rubber or thermoplastic elastomer tensile stress-strain performance ") tensile sample, it records sample and is stretched to
Load when regulation elongation, load and elongation when breaking.
The accurate pattern of test fixture used is not known in standard, therefore currently used test fixture structure is a variety of each
Sample, structure is complicated for many test fixtures, troublesome in poeration, laborious, at high cost, and detection efficiency is low, detection accuracy is poor.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of for measuring the test of O-ring seal tensile property
Tooling, which can effectively improve detection efficiency, promote detection accuracy and structure is simple, operation is easy, time saving province
Power, repair and maintenance are convenient, at low cost.Specific technical solution is as follows:
It is a kind of for measuring the test tool of O-ring seal tensile property, including main body, locking nut, detachable be threadedly coupled
Body, bearing, sample place body, pin；The lower body part is inverted L shape plate structure, and top is in the form of a column body structure, under main body
Portion is equipped with the internal thread hole perpendicular to body top column, through-hole is equipped on body top column, in body top column
Shape external surface is located at the position below through-hole equipped with external screw thread；The locking nut is threaded in body top outer surface
On external screw thread；The sample places the cylinder that body is both ends open, and lateral surface is equipped with annular groove；The bearing is opened for both ends
Mouthful and fix and in sample place the cylinder in internal portion；Described detachable threaded connection body one end is the end of thread, and the other end is column
End, the detachable body end of thread that is threadedly coupled is threaded in the internal thread hole of lower body part, detachable to be threadedly coupled scapus shape
End fixes in bearing；The pin is the column structure that diameter is less than through-hole；Main body by the through-hole on top using pin with
Puller system is connected, rotation lock nut can by main body and puller system locking (puller system be currently used electronic tensile machine,
Its with main body junction be it is cylindric and with the consistent through hole of through-hole diameter, the column of body top is inserted into electronics
Puller system in the cylinder of main body junction and through hole is made to be overlapped connection with through-hole, be inserted into bolt, bolt made to pass through through hole
With through-hole, electronic tensile machine and main body are blocked, locking nut is turned and moves it up, as locking nut constantly moves up,
And due to the limitation of bolt, just move down main body relative to electronic tensile machine, and then bolt is made to be tightly attached to edge on through-hole, it is real
Existing main body and puller system are locked).
Further, bearing fixes as follows in the intracorporal mode of sample placement: placing internal side in sample and is equipped with card slot
One, circlip one is inlaid in card slot one, after the card slot one of bearing and circlip one are caught in the internal portion of sample placement, circlip one
(under own resilient effect) can fix bearing places in vivo in sample, prevents from disengaging.
Further, it is as follows to be detachably threadedly coupled the mode that body cylindrical end fixes in bearing: connecting in detachable screw thread
Junctor cylindrical end lateral surface is equipped with card slot two, and circlip two is arranged on card slot two, by the detachable card slot two for being threadedly coupled body
And after circlip two is entrapped in bearing, circlip two (under own resilient effect) will can detachably be threadedly coupled body cylindrical end card
Gu preventing from disengaging in bearing.
Further, the detachable threaded connection body cylindrical end passes through brearing bore, and is detachably being threadedly coupled body
Column end side surface is equipped with flat recess or cross recess.Will to be detachably threadedly coupled body from main body with a word or cross mouth screwdriver
Internal thread hole in remove.
Further, thick both ends are thin among the pin.After being inserted into bolt, thick position is located at electronics pulling force among bolt
In machine and the through hole of main body junction, the thin position in bolt both ends is located in through-hole, makes its Xiang Shangyi when turning locking nut
When dynamic, with the movement of locking nut, and due to the limitation of bolt, move down main body relative to electronic tensile machine, in turn
The position top for keeping bolt thick, which is higher than, is located at edge on through-hole, and the thin position of bolt is tightly attached to edge on through-hole, so that it may which effectively limitation is inserted
Pin abjection, realization body and puller system are locked, and to eliminate connection gap and loosening, guarantee that tooling and coupling for puller system are coaxial
Degree, ensure that the stability of test tool.
Further, the locking nut is uniformly distributed on peripheries with four blind holes, to be inserted into for locking or unclamping locking screw
Female tool.
Further, it is 0.8 that the sample, which places outside annular groove finish,.
The present invention can effectively improve detection efficiency, promote detection accuracy and structure is simple, operation is easy, time saving province
Power, repair and maintenance are convenient and at low cost.
Detailed description of the invention
Fig. 1 is that the present invention is a kind of for measuring the structural schematic diagram of the test tool of O-ring seal tensile property；
Fig. 2 is that the present invention is a kind of for measuring the installation condition schematic diagram of the test tool of O-ring seal tensile property；
Fig. 3 is the structural schematic diagram of main body in a kind of test tool for measuring O-ring seal tensile property of the present invention；
Fig. 4 is the structural schematic diagram of locking nut in a kind of test tool for measuring O-ring seal tensile property of the present invention；
Fig. 5 is the structure that disassembly is threadedly coupled body in a kind of test tool for measuring O-ring seal tensile property of the present invention
Schematic diagram；
Fig. 6 is the structural representation that sample places body in a kind of test tool for measuring O-ring seal tensile property of the present invention
Figure；
It is as shown in the figure: 1- main body, 2- locking nut, 3- be detachably threadedly coupled body, 4- bearing, 5- sample place body, 6- pin,
7- circlip one, 8- circlip two, 9- internal thread hole, 10- through-hole, 11- external screw thread, 12- card slot one, 13- card slot two, 14- flat recess
Or cross recess, 15- annular groove.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.
It is of the invention a kind of for measuring the test tool of O-ring seal tensile property, including master as shown in Figures 1 to 6
Body 1, locking nut 2, detachable body 3, bearing 4, the sample of being threadedly coupled place body 5, pin 6；1 lower part of main body is inverted L shape
Plate structure, top are in the form of a column body structure, are equipped with the internal thread hole 9, In perpendicular to 1 upper mast body of main body in 1 lower part of main body
1 upper mast body of main body is equipped with through-hole 10, and the position that column external surface in portion's is located at 10 lower section of through-hole on the body 1 is equipped with outer
Screw thread 11；The locking nut 2 is threaded on the external screw thread 11 of 1 outer surface of upper of main body；It is two that the sample, which places body 5,
The cylinder of end opening, lateral surface are equipped with annular groove 15；The bearing 4 is both ends open and fixes in sample placement body 5
The cylinder in portion；Described detachable 3 one end of threaded connection body is the end of thread, and the other end is cylindrical end, detachable to be threadedly coupled 3 spiral shell of body
Line end is threaded in the internal thread hole 9 of 1 lower part of main body, and detachable 3 cylindrical end of body that is threadedly coupled fixes in bearing 4；Institute
Stating pin 6 is the column structure that diameter is less than through-hole 10；Main body 1 is connected using pin 6 with puller system by the through-hole 10 on top
It connects, rotation lock nut 2 can (puller system be currently used electronic tensile machine, with main body with puller system locking by main body 1
1 junction be it is cylindric and with the consistent through hole of 10 diameter of through-hole, the column on 1 top of main body is inserted into electronics pulling force
Machine in the cylinder of 1 junction of main body and through hole is made to be overlapped connection with through-hole 10, be inserted into bolt 6, bolt 6 made to pass through through hole
With through-hole 10, electronic tensile machine and main body 1 are blocked, locking nut 2 is turned and moves it up, as locking nut 2 is continuous
It moves up, and due to the limitation of bolt 6, moves down main body 1 relative to electronic tensile machine, and then it is logical to be tightly attached to bolt 6
Edge on hole 10, realization body 1 and puller system are locked).
Further, as shown in fig. 6, mode of the fixing of bearing 4 in sample placement body 5 is as follows: being placed in body 5 in sample
Side is equipped with card slot 1, and circlip 1 is inlaid in card slot 1, the card slot 1 of bearing 4 and circlip 1 are caught in sample
After placing 5 inside of body, one 7(of circlip is under own resilient effect) bearing 4 can be fixed and be placed in body 5 in sample, anti-anti-avulsion
It opens.
Further, as shown in figure 5, the mode that detachably threaded connection 3 cylindrical end of body fixes in bearing 4 is as follows: In
The detachable 3 cylindrical end lateral surface of body that is threadedly coupled is equipped with card slot 2 13, and circlip 28 is arranged on card slot 2 13, will be detachable
After the card slot 2 13 and circlip 28 for being threadedly coupled body 3 are entrapped in bearing 4, two 8(of circlip is under own resilient effect) it can incite somebody to action
Detachable 3 cylindrical end of body that is threadedly coupled fixes in bearing 4, prevents from disengaging.
Further, detachable 3 cylindrical end of threaded connection body passes through 4 inner hole of bearing, and is detachably being threadedly coupled
3 column end side surface of body is equipped with flat recess or cross recess 14.Will to be detachably threadedly coupled body 3 with a word or cross mouth screwdriver
It is removed from the internal thread hole 9 of main body 1.
Further, as shown in Figure 1, thick both ends are thin among the pin 6.After being inserted into bolt 6, thick portion among bolt 6
Position is located in electronic tensile machine and the through hole of 1 junction of main body, and the thin position in 6 both ends of bolt is located in through-hole, locks when turning
When tight nut 2 moves it up, with the movement of locking nut 2, and due to the limitation of bolt 6, make main body 1 relative to electronics
Puller system moves down, and then the position top for keeping bolt 6 thick is higher than positioned at edge on through-hole 10, and the thin position of bolt 6 is tightly attached to
Edge on through-hole 10, so that it may effectively limitation bolt 6 is deviate from, and realization body 1 and puller system are locked, to eliminate connection gap and loosening,
Guarantee tooling couples concentricity with puller system, ensure that the stability of test tool.
Further, as shown in figure 4, the locking nut 2 is uniformly distributed on peripheries with four blind holes, so as to be inserted into be used for lock or
Unclamp the tool of locking nut 2.
Further, it is 0.8 that the sample, which places 5 lateral surface annular groove of body, 15 finish,.
In use, symmetrical above and below is mounted on puller system, and puller system is respectively by test tool mode as shown in Figure 2
Currently used electronic tensile machine meets GB/T 528-1998 " vulcanized rubber or thermoplastic elastomer tensile stress-strain performance
Measurement " pertinent regulations.
By the diameter of section and internal diameter of specifying measurement sample, by O-ring cover as close to upper and lower test tool
Sample is placed on the annular groove 15 of 5 lateral surface of body, is made sample not Tensile stress, is connected extension measurement system, and adjust
Zero point (when determining that the elongation of perimeter in O-ring is equal to zero, upper and lower test tool sample place the center of body away from).
It machines with tensile sample (tensile speed is (500 ± 50) mm/min), record sample is stretched to regulation elongation
When load, load and elongation when breaking.
Simultaneously log is measured using multiple samples.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of for measuring the test tool of O-ring seal tensile property, it is characterised in that: including main body, locking nut, can
Disassembly is threadedly coupled body, bearing, sample and places body, pin；The lower body part is inverted L shape plate structure, and top is in the form of a column body
Structure is equipped with the internal thread hole perpendicular to body top column in lower body part, through-hole is equipped on body top column,
It is located at the position below through-hole equipped with external screw thread in body top column external surface；The locking nut is threaded in main body
On the external screw thread of outer surface of upper；The sample places the cylinder that body is both ends open, and lateral surface is equipped with annular groove；It is described
Bearing is both ends open and fixing places the cylinder in internal portion in sample；Described detachable threaded connection body one end is the end of thread,
The other end is cylindrical end, and the detachable body end of thread that is threadedly coupled is threaded in the internal thread hole of lower body part, detachable spiral shell
Line connector cylindrical end fixes in bearing；The pin is the column structure that diameter is less than through-hole；Main body passes through the logical of top
Hole is connected using pin and puller system, and rotation lock nut can lock main body and puller system.
2. according to claim 1 a kind of for measuring the test tool of O-ring seal tensile property, it is characterised in that:
Internal side is placed in sample and is equipped with card slot one, and circlip one is inlaid in card slot one, the card slot one of bearing and circlip one are blocked
After entering the internal portion of sample placement, bearing can be fixed and be placed in vivo in sample by circlip one.
3. according to claim 1 or 2 a kind of for measuring the test tool of O-ring seal tensile property, feature exists
In: it is equipped with card slot two being detachably threadedly coupled body cylindrical end lateral surface, circlip two is arranged on card slot two, by detachable spiral shell
After the card slot two and circlip two of line connector are entrapped in bearing, circlip two can be by the detachable other end card for being threadedly coupled body
Gu in bearing.
4. according to claim 1 a kind of for measuring the test tool of O-ring seal tensile property, it is characterised in that:
The detachable threaded connection body cylindrical end passes through brearing bore, and is equipped with a word being detachably threadedly coupled scapus shape end side surface
Slot or cross recess.
5. according to claim 1 a kind of for measuring the test tool of O-ring seal tensile property, it is characterised in that:
Thick both ends are thin among the pin.
6. according to claim 1 a kind of for measuring the test tool of O-ring seal tensile property, it is characterised in that:
The locking nut is uniformly distributed on peripheries with four blind holes, to be inserted into the tool for locking or unclamping locking nut.
7. according to claim 1 a kind of for measuring the test tool of O-ring seal tensile property, it is characterised in that:
It is 0.8 that the sample, which places outside annular groove finish,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813294.2A CN110389073A (en) | 2019-08-30 | 2019-08-30 | It is a kind of for measuring the test tool of O-ring seal tensile property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813294.2A CN110389073A (en) | 2019-08-30 | 2019-08-30 | It is a kind of for measuring the test tool of O-ring seal tensile property |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110389073A true CN110389073A (en) | 2019-10-29 |
Family
ID=68289521
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910813294.2A Pending CN110389073A (en) | 2019-08-30 | 2019-08-30 | It is a kind of for measuring the test tool of O-ring seal tensile property |
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