CN206223597U - It is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface - Google Patents
It is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface Download PDFInfo
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- CN206223597U CN206223597U CN201621302584.9U CN201621302584U CN206223597U CN 206223597 U CN206223597 U CN 206223597U CN 201621302584 U CN201621302584 U CN 201621302584U CN 206223597 U CN206223597 U CN 206223597U
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- needle penetration
- pin
- needle
- penetration
- accurately positioned
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Abstract
The utility model provide it is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface, including bearing screw, base, control panel, level meter, camera, standard pin, locking nut, column, counterweight, slide bar, lifting support, button release, fine tuning wheel, lock-screw, display screen, inbuilt displacement table, measuring staff, coarse adjustment wheel, gauge head, flat-bottomed glass dish etc..The utility model proposes be accurately positioned the needle penetration test device that needle point contacts with specimen surface the contact condition of needle penetration pin and sample top surface can be clearly observed by camera, reduce the test error of original small mirror or optically focused bulb observation needle penetration pin using end and the contact condition of sample top surface, the accuracy of experiment is improve, the efficiency of experiment is also substantially increased.
Description
Technical field
The utility model is related to the one kind in road engineering technical field to be contacted with specimen surface for being accurately positioned needle point
Needle penetration test device.
Background technology
Needle penetration is to represent the soft or hard degree of pitch and denseness, the ability of resistance failure by shear, and reflection is dripped under certain condition
The index of blue or green relative viscosity.Penetration test is a kind of straightforward procedure for measuring bituminous cements denseness.China is related
Code requirement is classified using the label that penetration number carries out pitch.Asphalt label is to delimit model according to the size of Asphalt Penetration
Enclose.The penetration index of pitch is the temperature sensitivity index of asphalt binder, the degree that reflection needle penetration is changed with temperature,
It is calculated by prescriptive procedure by the needle penetration of different temperatures.The temperature that penetration index not only can be used to evaluate is sensitive
Property, while may also be used for judging the colloform texture of pitch.
There is needle point to the accuracy of testing result with the contact position of specimen surface when current situation penetrometer is tested
Very big influence, how accurately to position contact of the needle point with specimen surface is that asphalt penetration test is asking for urgent need to resolve
Topic.
At present the equipment of test penetration number have 2 points it is not enough, one be the equipment utilization end recommended in code small mirror or
Optically focused bulb, contacts in situation, but practical operation so as to observation needle point with specimen surface, because observation angle is different, the position of needle point
The accuracy put directly affects test result；Two is that especially test temperature is 5 because needle penetration temperature influence changes very greatly
DEG C, 15 DEG C when when differing larger with indoor temperature, whether contact need certain hour is completed for observation needle point and specimen surface, because
This causes the change of Water Tank with Temp.-controlled temperature, influences penetrometer test result.
In consideration of it, be necessary that exploitation is a kind of tests dress for being accurately positioned the penetrometer that needle point is contacted with specimen surface
Put.
Utility model content
In order to solve the above technical problems, the utility model provides one kind being contacted with specimen surface for being accurately positioned needle point
Needle penetration test device, it is including bearing screw, base, control panel, level meter, camera, standard pin, locking nut, vertical
Post, counterweight, slide bar, lifting support, button release, fine tuning wheel, lock-screw, display screen, inbuilt displacement table, measuring staff, coarse adjustment wheel, survey
Head, flat-bottomed glass dish, the bearing screw are connected with base, and whether the bubble in level meter is used to adjust base in water
Level state；The control panel is used to adjusting injection time of needle penetration pin, penetration test start button, power switch, multiple
Position button, penetration test value；The camera is used to shoot the spacing distance of needle penetration pin and sample top surface, by display screen
The contact condition of observation needle penetration pin and sample top surface；The locking nut is used to fix needle penetration pin；The column is used for branch
Support whole penetrometer；The counterweight is used for weights, meets penetration test injection quality requirement；The lifting support is used
Adjusted up and down in fixed slip bar and along lifting support guide rail direction；The release button be in control panel control program to electricity
Magnetic relay sends signal, release and fixed slip bar, and realization automatically controls pin and enters the pin injection time；The coarse adjustment wheel is used for rough
The regulation needle penetration pin distance of the contact with sample top surface；The fine tuning wheel passes through display screen accurate adjustment needle penetration pin and sample top
The contact condition in face；The inbuilt displacement meter enters pin depth of penetration for determining pin.
The present apparatus is applied to measure bi tumenf orr oad, polymer modified asphalt needle penetration and the distillation of liquid petroleum pitch
Or emulsified asphalt evaporation after residue needle penetration；Testing standard temperature is 25 DEG C, loading 100g, injection time 5s.
The present apparatus can determine and determine under the conditions of 15 DEG C, 25 DEG C, 30 DEG C etc. 3 or 3 temperatures above needle penetration and calculate pin
In-degree index, is used to describe the temperature sensitivity of pitch.
The water bath with thermostatic control that the present apparatus is equipped with, capacity is not less than 10L, and temperature-controlled precision is 0.1 DEG C；The flat glass that the present apparatus is equipped with
Glass ware, capacity is not less than 1L, and depth is not less than 80mm, and high-resolution low-light (level) pinhole cameras are housed on inwall.
Compared with prior art, the utility model proposes be accurately positioned the needle penetration test that needle point contacts with specimen surface
Device can clearly observe the contact condition of needle penetration pin and sample top surface by camera, reduce original using the small of end
Mirror or optically focused bulb observation needle penetration pin and the test error of the contact condition of sample top surface, improve the accuracy of experiment,
Substantially increase the efficiency of experiment.
Brief description of the drawings
Fig. 1 is the knot for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface in the utility model
Structure schematic diagram.
Reference is as follows：
It is bearing screw -1, base -2, control panel -3, level meter -4, camera -5, standard pin -6, locking nut -7, vertical
It is post -8, counterweight -9, slide bar -10, lifting support -11, button release -12, fine tuning wheel -13, lock-screw -14, display screen -15, interior
Put offset table -16, measuring staff -17, coarse adjustment wheel -18, gauge head -19, flat-bottomed glass dish -20, test specimen -21.
Specific embodiment
Below in conjunction with the accompanying drawings to the utility model offer for being accurately positioned the needle penetration that needle point is contacted with specimen surface
Test device is described in detail, but protection domain not limited to this of the present utility model.
The device that the utility model is provided can be by connecting the pinhole cameras of high-resolution low-light (level) under water in test
The picture that partial enlargement needle point is contacted with specimen surface, high-resolution, high-precision pilot pin are showed on the LCDs of instrument
The position that point has just been contacted with testing surface, substantially increases the accuracy of penetrometer test result；And by quick accurate
Really adjustment contact of the needle point with specimen surface, improves test efficiency.
As shown in fig. 1, what the utility model was provided surveys for being accurately positioned the needle penetration that needle point is contacted with specimen surface
Trial assembly is put, including bearing screw 1, base 2, control panel 3, level meter 4, camera 5, standard pin 6, locking nut 7, column 8,
Counterweight 9, slide bar 10, lifting support 11, button release 12, fine tuning wheel 13, lock-screw 14, display screen 15, inbuilt displacement table 16, survey
Bar 17, coarse adjustment wheel 18, gauge head 19, flat-bottomed glass dish 20, the bearing screw 1 are connected with base 2, according to the gas in level meter 4
Steep for whether adjusting base 2 in horizontality；The control panel 3 be mainly used in adjusting the injection time of needle penetration pin 6,
Penetration test start button, power switch, SR, penetration test value；The camera 5 is used to shoot needle penetration pin
With the spacing distance of sample top surface, the contact condition of needle penetration pin and sample top surface can be observed by display screen 15；The lock
Tight nut 7 is used to fix needle penetration pin 6；The column 8 is used to support whole penetrometer；The counterweight 9 is used for weights,
Meet penetration test injection quality requirement；The lifting support 11 is used for fixed slip bar 10 and along lifting support guide rail direction
Adjust up and down；The release button 12 is that control program sends signal to electromagnetic relay in control panel, release and fixed is slided
Bar 10, realization automatically controls pin and enters the pin injection time；The coarse adjustment wheel 18 is used for coarse adjustment needle penetration pin 6 and sample top surface
Contact distance；The fine tuning wheel 13 is by the accurate adjustment needle penetration pin 6 of display screen 15 and the contact condition of sample top surface；In described
Put displacement meter 16 and enter pin depth of penetration, i.e. penetration number for determining pin.
The present apparatus is applied to measure bi tumenf orr oad, polymer modified asphalt needle penetration and the distillation of liquid petroleum pitch
Or emulsified asphalt evaporation after residue needle penetration.Testing standard temperature is 25 DEG C, loading 100g, injection time 5s.The present apparatus
Can determine determine under the conditions of 15 DEG C, 25 DEG C, 30 DEG C etc. 3 or 3 temperatures above needle penetration and calculate penetration index, be used to retouch
State the temperature sensitivity of pitch.The water bath with thermostatic control that the present apparatus is equipped with, capacity is not less than 10L, and temperature-controlled precision is 0.1 DEG C.The present apparatus
The flat-bottomed glass dish of outfit, capacity is not less than 1L, and depth is not less than 80mm, is imaged equipped with high-resolution low-light (level) pin hole on inwall
Head.
Prepare sample：Water Tank with Temp.-controlled regulation is arrived 25 DEG C of the test temperature of requirement, or 15 DEG C, 30 DEG C (5 by test requirements document
DEG C) etc., keep stabilization；Sample is injected in sample-containing dish, specimen height should exceed estimated penetration number 10mm, and cover Sheng sample
Ware, in case falling into dust.The sample-containing dish for filling sample cools down 1h~1.5h (small sample-containing dish), 1.5h in 15 DEG C~30 DEG C room temperatures
~2h (big sample-containing dish) or 2h~2.5h (special sample-containing dish) are moved into the Water Tank with Temp.-controlled for keeping regulation test temperature ± 0.1 DEG C afterwards
1h~1.5h (small sample-containing dish), 1.5h~2h (big sample-containing dish) or 2h~2.5h (special sample-containing dish).
Prepare experiment：Adjustment branch thumb screw 1, observes level meter 4, makes penetrometer level.Check slide bar 10 and rise descending branch
Frame 11, to confirm anhydrous and other exotics, without substantially friction.Standard pin 6 is cleaned with trichloro ethylene or other solvents and wipe dry.
Standard pin 6 is fixed with locking nut 7.By experimental condition, additional weight 9 is added.
Test procedure：
The sample-containing dish for reaching constant temperature is taken out, and moves into water temperature and controlled in test temperature ± 0.1 DEG C (in Water Tank with Temp.-controlled being used
Water) flat-bottomed glass dish 20 three-legged support on, more than specimen surface water depth is no less than 10mm；
The flat-bottomed glass dish that sample will be filled is placed on the platform of needle penetration.The coarse adjustment of slide bar 10 is put down with coarse adjustment wheel 18
The contact condition of needle penetration pin 6 and planchet top surface, then observes display screen 15, and regulation fine tuning wheel 13 adjusts proper to standard needle point
It is good to be contacted with specimen surface, inbuilt displacement table 16 is resetted zero by control panel 3.Start experiment, press on control panel 3
" startup " button.At this moment timing falls injection sample and starts simultaneously at standard pin, is automatically stopped during to 5s, and " penetration number " is
Show penetration number.Accurately to 0.1mm；
Same parallel experiment of sample at least 3 times, 10mm should not be less than between each test point and with the distance at sample-containing dish edge.
The flat-bottomed glass dish that should will fill sample-containing dish after experiment every time is put into Water Tank with Temp.-controlled, and water temperature keeps experiment temperature in making flat-bottomed glass dish
Degree.Experiment every time should change a clean standard pin or remove standard pin and be wiped only with the cotton or cloth that are moistened with trichloroethylene solvent,
Dried with dry cotton or cloth again.
Compared with prior art, the utility model proposes be accurately positioned the needle penetration test that needle point contacts with specimen surface
Device can clearly observe the contact condition of needle penetration pin and sample top surface by camera, reduce original using the small of end
Mirror or optically focused bulb observation needle penetration pin and the test error of the contact condition of sample top surface, improve the accuracy of experiment,
Substantially increase the efficiency of experiment.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.It is retouched
State more specific and in detail, but therefore can not be interpreted as the limitation to the utility model scope.It should be pointed out that for
For one of ordinary skill in the art, without departing from the concept of the premise utility, can also make it is some deformation and
Improve, these belong to protection domain of the present utility model.The claimed scope of the utility model is by appending claims
And its equivalent thereof.
Claims (4)
1. it is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface, it is characterised in that including bearing
Screw, base, control panel, level meter, camera, standard pin, locking nut, column, counterweight, slide bar, lifting support, release
Button, fine tuning wheel, lock-screw, display screen, inbuilt displacement table, measuring staff, coarse adjustment wheel, gauge head, flat-bottomed glass dish, the bearing screw
It is connected with base, whether the bubble in level meter is used to adjust base in horizontality；The control panel is used to adjust
The injection time of whole needle penetration pin, penetration test start button, power switch, SR, penetration test value；It is described to take the photograph
It is used to shoot the spacing distance of needle penetration pin and sample top surface as head, connecing for needle penetration pin and sample top surface is observed by display screen
The state of touching；The locking nut is used to fix needle penetration pin；The column is used to support whole penetrometer；The counterweight is used for
Weights, meet penetration test injection quality requirement；The lifting support is used for fixed slip bar and is led along lifting support
Rail direction is adjusted up and down；The release button is that control program sends signal to electromagnetic relay in control panel, release and solid
Determine slide bar, realization automatically controls pin and enters the pin injection time；The coarse adjustment wheel is used for coarse adjustment needle penetration pin and sample top surface
Contact distance；The fine tuning wheel is by display screen accurate adjustment needle penetration pin and the contact condition of sample top surface；The interior set
Move meter and enter pin depth of penetration for determining pin.
2. according to claim 1 for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface, it is special
Levy and be, for determining the distillation of bi tumenf orr oad, polymer modified asphalt needle penetration and liquid petroleum pitch or emulsification drip
The needle penetration of residue after green grass or young crops evaporation；Testing standard temperature is 25 DEG C, loading 100g, injection time 5s.
3. according to claim 1 for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface, it is special
Levy and be, described device determines needle penetration under any one temperature conditionss and refers to calculating needle penetration in determining 15 DEG C, 25 DEG C or 30 DEG C
Number, is used to describe the temperature sensitivity of pitch.
4. according to claim 1 for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface, it is special
Levy and be, the water bath with thermostatic control that described device is equipped with, capacity is not less than 10L, temperature-controlled precision is 0.1 DEG C；It is flat that the present apparatus is equipped with
Glass dish, capacity is not less than 1L, and depth is not less than 80mm, and high-resolution low-light (level) pinhole cameras are housed on inwall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302584.9U CN206223597U (en) | 2016-11-30 | 2016-11-30 | It is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621302584.9U CN206223597U (en) | 2016-11-30 | 2016-11-30 | It is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206223597U true CN206223597U (en) | 2017-06-06 |
Family
ID=58787189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621302584.9U Expired - Fee Related CN206223597U (en) | 2016-11-30 | 2016-11-30 | It is a kind of for being accurately positioned the needle penetration test device that needle point is contacted with specimen surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206223597U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966385A (en) * | 2017-11-21 | 2018-04-27 | 卢锦福 | A kind of full-automatic petroleum asphalt penetration measuring instrument |
| CN109696382A (en) * | 2018-12-30 | 2019-04-30 | 交通运输部公路科学研究所 | The automatic penetrometer of a kind of video auxiliary and its to needle method |
| CN111238999A (en) * | 2020-01-08 | 2020-06-05 | 王盛麟 | Machine vision-based method and system for detecting contact time of probe and sample surface |
| CN111426606A (en) * | 2020-03-19 | 2020-07-17 | 常州进出口工业及消费品安全检测中心 | Solid-liquid identification equipment and identification method thereof |
| CN112067505A (en) * | 2020-09-23 | 2020-12-11 | 山东路达试验仪器有限公司 | Automatic control method of asphalt penetration tester based on image recognition |
| CN112779119A (en) * | 2019-11-08 | 2021-05-11 | 中国科学院大连化学物理研究所 | Small manual five-dimensional needle tip adjusting frame for cell experiment |
-
2016
- 2016-11-30 CN CN201621302584.9U patent/CN206223597U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107966385A (en) * | 2017-11-21 | 2018-04-27 | 卢锦福 | A kind of full-automatic petroleum asphalt penetration measuring instrument |
| CN109696382A (en) * | 2018-12-30 | 2019-04-30 | 交通运输部公路科学研究所 | The automatic penetrometer of a kind of video auxiliary and its to needle method |
| CN112779119A (en) * | 2019-11-08 | 2021-05-11 | 中国科学院大连化学物理研究所 | Small manual five-dimensional needle tip adjusting frame for cell experiment |
| CN111238999A (en) * | 2020-01-08 | 2020-06-05 | 王盛麟 | Machine vision-based method and system for detecting contact time of probe and sample surface |
| CN111426606A (en) * | 2020-03-19 | 2020-07-17 | 常州进出口工业及消费品安全检测中心 | Solid-liquid identification equipment and identification method thereof |
| CN112067505A (en) * | 2020-09-23 | 2020-12-11 | 山东路达试验仪器有限公司 | Automatic control method of asphalt penetration tester based on image recognition |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170606 Termination date: 20181130 |