CN104458464B - One kind impact rebound test instrument - Google Patents
One kind impact rebound test instrument Download PDFInfo
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- CN104458464B CN104458464B CN201410767752.0A CN201410767752A CN104458464B CN 104458464 B CN104458464 B CN 104458464B CN 201410767752 A CN201410767752 A CN 201410767752A CN 104458464 B CN104458464 B CN 104458464B
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- graduated scale
- support
- pendulum
- pointer
- test instrument
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Abstract
Rebound test instrument is impacted the invention discloses one kind, including：Support, graduated scale and pendulum；The graduated scale level is on the support, the graduated scale is provided with the pointer being slidably connected therewith, there is certain coefficient of friction between the pointer and the graduated scale, one end of the graduated scale is also placed with by moving magnet, described to be connected between moving magnet and the pointer by flexible cord；One end of the pendulum is hinged with the support, and the pin joint of the pendulum and the support is located at the graduated scale and places the top by moving magnet one end, the swinging plane of the pendulum is generally aligned in the same plane with the graduated scale, and active magnet corresponding with the passive magnet positions is additionally provided with the pendulum.The impact rebound test instrument that the present invention is provided has pointer zero conveniently, and pointer is not swung；Magnetic iron absorption device long lifespan, no Relative friction；Scale is level, meets the characteristics of people's reading is accustomed to.
Description
Technical field
The present invention relates to a kind of detection means, specifically it is related to a kind of detection device for detecting rubber rebound degree, simultaneously
It may also be used for other materials of the detection with rebound characteristics.
Background technology
Rubber impact rebound test instrument is a kind of widely used instrument for detecting rubber rebound degree.Existing structure, pendulum
Hammer is after bump test product, high speed backswing, and lockable mechanism drives the beat of pointer, and when the amplitude of oscillation is maximum, pointer is lived surely, will not be followed
The pendulum bottom, then pendulum occur the amplitude of oscillation gradually small two or three shocks.There is following deficiency in the mechanism：In two or three shocks of pendulum
Pointer is easily slided, and lockable mechanism easily fails under multiple impact, and because being the upward reading of circumferencial direction, reading is less
It is convenient.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art to be replaced there is provided a kind of with magnet and the structure of flexible cord coupling
Existing lockable mechanism, replaces existing circular arc to be distributed the impact rebound test instrument of scale with horizontal scale.
The technical scheme is that：
One kind impact rebound test instrument, including：Support, graduated scale and pendulum；
The graduated scale level is on the support, and the graduated scale is provided with the pointer being slidably connected therewith, described
There is certain coefficient of friction between pointer and the graduated scale, one end of the graduated scale is also placed with by moving magnet, the quilt
Connected between moving magnet and the pointer by flexible cord；
One end of the pendulum is hinged with the support, and the pin joint of the pendulum and the support is located at the scale
Chi places the top by moving magnet one end, and swinging plane and the graduated scale of the pendulum are generally aligned in the same plane, described
Active magnet corresponding with the passive magnet positions is additionally provided with pendulum.
It is preferred that, the support frame for keeping flexible cord level is additionally provided with the graduated scale.
It is preferred that, support frame as described above includes two rollers in up-down structure, wheel of the flexible cord from two rollers
Passed through between face.
It is preferred that, support frame as described above includes supporting plate, and the supporting plate, which is provided with, is used for the aperture that the flexible cord is passed through.
It is preferred that, one end of the graduated scale is additionally provided with expansion link, described to be placed on by moving magnet on the expansion link.
It is preferred that, adjusting means is additionally provided with the support, the adjusting means is in the support can stationary phase contraposition
That puts is slidably connected, and the pendulum is hinged with the adjusting means.
It is preferred that, the graduated scale is in that can fix being slidably connected for relative position with the support.
It is preferred that, the pointer is connected by an alignment jig with the flexible cord, and the alignment jig is described for tightening
Flexible cord and the calibration pointer position.
It is preferred that, the flexible cord is made up of inelastic material.
The impact rebound test instrument beneficial effect that the present invention is provided is：1st, pointer zero is convenient, and pointer is not swung；2nd, magnet
Adsorbent equipment long lifespan, no Relative friction；3rd, scale is level, meets people's reading custom.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings：
Fig. 1 is structural representation of the embodiment of the present invention；
Embodiment
Describe the present invention in detail below in conjunction with accompanying drawing and specific embodiment, herein illustrative examples of the invention
And explanation is used for explaining the present invention, but it is not as a limitation of the invention.
Embodiment：
As shown in figure 1, a kind of impact rebound test instrument, including：Support 10, graduated scale 9 and pendulum 1；The support 10
Set and can be installed and fixed by the base 11 of lower section perpendicular to horizontal plane；The graduated scale 9 is provided with the quarter of non-uniform Distribution
Degree, the level of graduated scale 9 is additionally provided with the pointer 8 being slidably connected therewith on the support 10 on the graduated scale 9, described to refer to
There is certain coefficient of friction between pin 8 and the graduated scale 9, one end of the graduated scale 9 is also placed with by moving magnet 4, described
Connected between moving magnet 4 and the pointer 8 by flexible cord 7；The pendulum 1 includes tup and connecting rod, one end of connecting rod and institute
Support 10 is stated to be hinged, and the pin joint of the pendulum 1 and the support 10 places described by moving magnet 4 positioned at the graduated scale 9
The top of one end, the swinging plane of the pendulum 1 is generally aligned in the same plane with the graduated scale 9, is additionally provided with the pendulum 1 and institute
State by the corresponding active magnet 2 in the position of moving magnet 4.
When carrying out rebound test, trial target is fixed with support 10 or base 11, and putting down tup makes its bump test product,
Tup strikes the moment active magnet 2 of trial target with being adsorbed by moving magnet 4 for the first time, when the first resilience of tup by moving magnet 4
Driven by active magnet 2 and pointer 8 is further driven by flexible cord 7, so as to pass through the relative position of pointer 8 and graduated scale 9
Put acquisition impact rebound test reading, the impact rebound test instrument that the present invention is provided, because having one between pointer 8 and graduated scale 9
Determine coefficient of friction, pointer 8 stops movement at once after the completion of the first resilience of tup, will not continue occur reading change because of inertia
Change, and tup is secondary or during multiple impact trial target, because the amplitude of oscillation of tup is less and less, pointer 8 will not be driven again
It is mobile, make entirely to impact rebound test reading more accurate.
As the improvement of above-described embodiment scheme, the support frame for keeping the level of flexible cord 7 is additionally provided with the graduated scale 9
5, make by moving magnet 4 when height change occurs for the swing with active magnet 2, the direction for the tractive force of flexible cord 7 that pointer 8 is subject to
Also it is not changed.
As the preferred scheme of above-mentioned support frame 5, support frame as described above 5 includes two rollers in up-down structure, described soft
Line 7 is passed through between the wheel face of two rollers, and the coefficient of friction of flexible cord 7 and wheel face is small, and reading is more accurate, the present embodiment
Use this scheme.
Meanwhile, as the alternative of above-mentioned support frame 5, support frame as described above 5 includes supporting plate, and the supporting plate is provided with
The aperture passed through for the flexible cord 7, can equally ensure that the direction for the tractive force of flexible cord 7 that pointer 8 is subject to is not changed, originally replace
Change scenario-frame simple therefore without being described with reference to the drawings.
In above-described embodiment scheme, certain whereabouts is might have in the moment for being adsorbed in active magnet 2 by moving magnet 4,
The collision by moving magnet 4 and graduated scale 9 is likely to result in secondary impact or multiple impact, the change in location of pointer 8 is caused, because
This is as the improvement of above-described embodiment scheme, and one end of the graduated scale 9 is additionally provided with expansion link 6, described to be placed on by moving magnet 4
On the expansion link 6, the absorption by moving magnet 4 and active magnet 2 is not influenceed, while making to be avoided by moving magnet 4 straight with graduated scale 9
Connect collision but impinge upon on expansion link 6, wherein expansion link 6 can be that more piece rod member composition makes itself have Telescopic,
A rod member and a spring can be included, and mounting hole is provided with one end of graduated scale 9, one end of rod member is located at the mounting hole
In, spring is located at mounting hole bottom.
As the improvement of above-described embodiment scheme, adjusting means 3 and slide rail, the regulation dress are additionally provided with the support 10
Put 3 and realized by slide rail and fix being slidably connected for relative position with the support 10, the pendulum 1 then with the regulation dress
Put 3 to be hinged, make pendulum 1 can be with horizontal displacement.
As the improvement of above-described embodiment scheme, chute is additionally provided with the support 10, the graduated scale 9 is real by chute
Now being slidably connected for relative position is fixed with the support 10.
As the improvement of above-described embodiment scheme, the pointer 8 is connected by an alignment jig (not indicating) and the flexible cord 7
Connect, the alignment jig is used to tighten the flexible cord 7 and calibrates the position of pointer 8.
As the improvement of above-described embodiment scheme, flexible cord 7 is preferably nonelastic or elastic small material is made, and keeps away as far as possible
Exempt from the test error that the deformation band of flexible cord 7 comes.
The technical scheme provided above the embodiment of the present invention is described in detail, specific case used herein
Principle and embodiment to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help and understands this
The principle of inventive embodiments；Simultaneously for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party
It will change in formula and application, in summary, this specification content should not be construed as limiting the invention.
Claims (8)
1. one kind impact rebound test instrument, it is characterised in that including：
Support, graduated scale and pendulum；
The graduated scale level is on the support, and the graduated scale is provided with the pointer being slidably connected therewith, the pointer
There is certain coefficient of friction between the graduated scale, one end of the graduated scale is also placed with by moving magnet, the passive magnetic
Connected between iron and the pointer by flexible cord；
One end of the pendulum is hinged with the support, and the pin joint of the pendulum and the support is put positioned at the graduated scale
The top by moving magnet one end is put, the swinging plane of the pendulum is generally aligned in the same plane with the graduated scale, the pendulum
On be additionally provided with active magnet corresponding with the passive magnet positions；
The support frame for keeping flexible cord level is additionally provided with the graduated scale.
2. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
Support frame as described above includes two rollers in up-down structure, and the flexible cord is passed through between the wheel face of two rollers.
3. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
Support frame as described above includes supporting plate, and the supporting plate, which is provided with, is used for the aperture that the flexible cord is passed through.
4. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
One end of the graduated scale is additionally provided with expansion link, described to be placed on by moving magnet on the expansion link.
5. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
Adjusting means is additionally provided with the support, the adjusting means is in that can fix the slip company of relative position with the support
Connect, the pendulum is hinged with the adjusting means.
6. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
The graduated scale is in that can fix being slidably connected for relative position with the support.
7. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
The pointer is connected by an alignment jig with the flexible cord, and the alignment jig is used to tighten the flexible cord and calibration institute
State pointer position.
8. rebound test instrument is impacted as claimed in claim 1, it is characterised in that：
The flexible cord is made up of inelastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767752.0A CN104458464B (en) | 2014-12-11 | 2014-12-11 | One kind impact rebound test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410767752.0A CN104458464B (en) | 2014-12-11 | 2014-12-11 | One kind impact rebound test instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104458464A CN104458464A (en) | 2015-03-25 |
| CN104458464B true CN104458464B (en) | 2017-08-11 |
Family
ID=52904877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410767752.0A Active CN104458464B (en) | 2014-12-11 | 2014-12-11 | One kind impact rebound test instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104458464B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106950125B (en) * | 2017-03-29 | 2019-10-08 | 中国石油大学(华东) | A kind of experimental provision and its experimental method of dummy level well explosion fracturing |
| CN108414370A (en) * | 2018-06-08 | 2018-08-17 | 中国科学院武汉岩土力学研究所 | Rock And Soil collision rebound test device and test method under microgravity environment |
| CN112179790B (en) * | 2019-07-04 | 2022-08-05 | 北京化工大学 | Material protection performance detection device and detection method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2449223Y (en) * | 2000-08-29 | 2001-09-19 | 王明堂 | Resilience instrument for non-destructive test concente C40-C80 surface hardness |
| US6505498B2 (en) * | 2001-05-10 | 2003-01-14 | United States Golf Association | Apparatus for determining a representative spring constant of a golf club head |
| CN201322710Y (en) * | 2008-12-22 | 2009-10-07 | 谢让明 | Depth controllable high precision rebound tester |
| CN201322709Y (en) * | 2008-12-22 | 2009-10-07 | 沈阳天星试验仪器有限公司 | Portable hardness tester |
| CN202330197U (en) * | 2011-10-27 | 2012-07-11 | 台州宝利特鞋业有限公司 | Rebound resilience testing machine for microporous materials for shoes |
| CN103604708A (en) * | 2013-11-22 | 2014-02-26 | 深圳天祥质量技术服务有限公司 | Impact testing machine for ceramic pendulum bob |
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2014
- 2014-12-11 CN CN201410767752.0A patent/CN104458464B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104458464A (en) | 2015-03-25 |
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