CN104897451A - Asphalt softening point test sample preparation device - Google Patents
Asphalt softening point test sample preparation device Download PDFInfo
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- CN104897451A CN104897451A CN201510363548.7A CN201510363548A CN104897451A CN 104897451 A CN104897451 A CN 104897451A CN 201510363548 A CN201510363548 A CN 201510363548A CN 104897451 A CN104897451 A CN 104897451A
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Abstract
The invention discloses an asphalt softening point test sample preparation device. The asphalt softening point test sample preparation device comprises a sampling ring, a lower substrate, an upper cover plate and a side plate. The lower substrate is provided with a plurality of groove, and the upper cover plate is capable of rotating around the side plate. Hot asphalt can be extruded by the aid of the upper cover plate to realize one-time forming of the hot asphalt with the smooth surface flush with the upper end face of the sampling ring, adoption of a heat knife for secondary trimming is avoided, and accordingly generation of a great quantity of asphalt fume is avoided, and environment pollution is avoided as well while physical health of staffs is protected from damages. In addition, simultaneous one-time forming of multiple samples is realized, so that sample preparation efficiency is improved, and yield is increased. Furthermore, the asphalt softening point test sample preparation device is simple in structure, low in processing and manufacturing cost and easy in popularization and application.
Description
Technical field
The present invention relates to testing equipment technical field, especially relate to a kind of sample preparation device of bituminous softening-point test sample.
Background technology
Temperature when asphalt softening point refers to that asphalt test piece is subject to thermal softening and hangs down into a certain degree, in order to reflect the viscosity of pitch and high-temperature stability and response to temperature.Different pitch has different softening points.Engineering asphalt softening point can not be too low or too high, otherwise summer melts, embrittlement in winter and not easily constructing.
At present, the multiplex ball and ring method of softening point measurement method of pitch.The roughly operation steps of ball and ring method is: sample is in the sample ring of given size, on put the steel ball of given size and quality, be put in water (5 DEG C) or glycerine (32.5 DEG C), heat with 5 ± 0.5 DEG C/min programming rate, when the softening tenesmus of sample is to backplate surface, read temperature immediately, accurately to 0.5 DEG C.
When producing sample, to require at pitch be hot and water ring under the state with better mobility, and cold conditions is cut.During cold conditions cutting, need first cutter to be burnt heat and reach uniform temperature, and then cut off pitch hot time the meniscus that formed, make the upper surface level levelling of pitch and concordant with the upper surface of sample ring, can check.During hot cutter cutting, a large amount of glance coals can be sent.Containing a large amount of high carcinogenic substances in glance coal, there is very large risk of environmental pollution, and harm worker is healthy.
Therefore, how to avoid producing a large amount of glance coals, avoid environmental pollution and ensure that the healthy of worker is not subject to infringement to be the technical matters that those skilled in the art need solution badly.
Summary of the invention
The object of the present invention is to provide a kind of sample preparation device of bituminous softening-point test sample, this sample preparation device produces sample can one-shot forming, hot cutter is adopted to repair without secondary, thus avoid producing a large amount of glance coals, avoid environmental pollution and ensure that the healthy of worker is not encroached on, and structure is simple, processing and fabricating cost is lower.
For solving above-mentioned technical matters, technical scheme provided by the invention is:
A kind of sample preparation device of bituminous softening-point test sample, comprise sample ring, described sample ring comprises external diameter different and the wide outer diameter part that internal diameter is identical and narrow outer diameter part, also comprise infrabasal plate, upper cover plate and the side panel for described infrabasal plate and described upper cover plate are linked into an integrated entity, described infrabasal plate is fixedly connected with described side panel, described upper cover plate can rotate along described side panel, the height of described side panel meet described upper cover plate is covered after can contact with the upper surface of whole described sample ring is seamless, described infrabasal plate is provided with several for holding the groove of fixing described narrow outer diameter part, the degree of depth of described groove is less than the height of described narrow outer diameter part.
Preferably, described infrabasal plate is hollow-core construction, and in arbitrary two side upper sheds relatively.
Preferably, described upper cover plate and described side panel removably connect.
Preferably, described infrabasal plate is provided with the fastener covering rear fastening described upper cover plate and described infrabasal plate for described upper cover plate.
Preferably, described fastener is bolt and nut coupling arrangement, described upper cover plate offers the open slot coordinating described bolt and nut coupling arrangement.
Preferably, also comprise the collar be closely set on described sample ring outer wall, the height adding and equal described sample ring of the height of the described collar and the degree of depth of described groove, the internal diameter of the described collar and external diameter are all constant.
Preferably, also comprise the collar be closely set on described sample ring outer wall, the height adding and equal described sample ring of the height of the described collar and the degree of depth of described groove, the different wide inside diameter of internal diameter and narrow inside diameter is provided with in the described collar, the upper surface of described narrow inside diameter and the upper surface of the described collar on same surface level, the top of described wide outer diameter part be provided with external diameter be less than described wide outer diameter part external diameter and with the close-fitting contraction flow region of described narrow inside diameter.
Preferably, the stainless-steel sheet of described upper cover plate to be thickness be 2mm ~ 3mm.
Compared with prior art, the invention provides a kind of sample preparation device of bituminous softening-point test sample, comprise sample ring, infrabasal plate, upper cover plate and side panel, described infrabasal plate is provided with several grooves, described upper cover plate can rotate along described side panel.The application is by holding fixing sample ring with the infrabasal plate of several grooves, the degree of depth of described groove is less than the height of the narrow outer diameter part of sample ring, make sample ring to put into after groove can with the inner bottom surface close contact of groove, thus for cast in sample ring hot pitch time provide horizontal base panel; Described upper cover plate can rotate along described side panel, make it possible to utilize upper cover plate to extrude hot pitch, make it once shaping in hot state, there is and even curface concordant with sample ring upper surface, hot cutter is adopted to repair without secondary, thus avoid a large amount of glance coal of generation, avoid environmental pollution and ensure that the healthy of worker is not encroached on; The height of described side panel meet described upper cover plate is covered after can contact with the upper surface of whole described sample ring is seamless, make whole samples all can one-shot forming, there is and the surface of surfacing concordant with sample ring upper surface, improve yield rate, so once produce multiple sample, also improve sample preparation efficiency; A side panel is only had to be connected between upper cover plate with infrabasal plate, its excess-three side is all opening designs, make air can enter above-mentioned sample preparation device inner, fully contact with several sample ring, pitch in sample ring is fully cooled, thus improve cooling velocity and sample preparation efficiency, the glance coal that three opening designs also make hot pitch produce can be overflowed quickly and easily from above-mentioned sample preparation device, avoids environmental pollution and ensure that the healthy of worker is not encroached on; And above-mentioned sample preparation device structure is simple, processing and fabricating cost is lower, is easy to apply.
Further, described infrabasal plate is hollow-core construction, and in arbitrary two side upper sheds relatively, make air can enter the inside of infrabasal plate, fully contact with the outer wall of several grooves, hot pitch is lowered the temperature indirectly, thus improve the cooling velocity of pitch, improve sample preparation efficiency.
Further, also comprise the collar be closely set on described sample ring outer wall, the height adding and equal described sample ring of the height of the described collar and the degree of depth of described groove, the internal diameter of the described collar and external diameter are all constant.During sample preparation, the above-mentioned collar is set in the outside of sample ring, when upper cover plate can be avoided to extrude hot pitch, pitch flow in the perpendicular outer wall of sample ring, cool rear and outer wall compact siro spinning technology, later stage rest and reorganization are wasted time and energy, thus improve sample preparation efficiency, and the time processing achieving sample is shaping.
Further, also comprise the collar be closely set on described sample ring outer wall, the height adding and equal described sample ring of the height of the described collar and the degree of depth of described groove, the different wide inside diameter of internal diameter and narrow inside diameter is provided with in the described collar, the upper surface of described narrow inside diameter and the upper surface of the described collar are on same surface level, the top of described wide outer diameter part be provided with external diameter be less than described wide outer diameter part external diameter and with the close-fitting contraction flow region of described narrow inside diameter, by arranging narrow inside diameter on the collar, and arrange and the close-fitting contraction flow region of narrow inside diameter in sample ring, reduce the width in sample ring annular upper end face, reduce the area of upper surface, reduce the area that pitch can contact with upper surface, the pitch of overflow and the contact area of upper surface are reduced further, or even not contact, without the need to adopting instrument to be struck off by the pitch sticking to sample ring upper surface again after pitch cooling, the time processing really achieving sample is shaping.
Accompanying drawing explanation
The structural representation of sample ring in the sample preparation device of the bituminous softening-point test sample that Fig. 1 provides for the embodiment of the present invention;
Structural representation when the sample preparation device upper cover plate of the bituminous softening-point test sample that Fig. 2 provides for the embodiment of the present invention is opened;
Main TV structure schematic diagram when the sample preparation device upper cover plate of the bituminous softening-point test sample that Fig. 3 provides for the embodiment of the present invention is opened;
Side-looking structural representation when the sample preparation device upper cover plate of the bituminous softening-point test sample that Fig. 4 provides for the embodiment of the present invention is opened;
Fig. 5 for the embodiment of the present invention provide with sample ring in Fig. 1 with the use of the structural representation of the collar;
The structural representation of sample ring in the sample preparation device of the bituminous softening-point test sample that Fig. 6 provides for another embodiment of the present invention;
Fig. 7 provide for another embodiment of the present invention with sample ring in Fig. 6 with the use of the structural representation of the collar;
Fig. 8 is the sectional structure schematic diagram of the collar in Fig. 7.
In figure: 1 sample ring, 101 narrow outer diameter parts, 102 wide outer diameter parts, 103 contraction flow regions, 2 infrabasal plates, 201 grooves, 202 screw rods, 3 upper cover plates, 301 open slots, 302 nuts, 303 bearing pins, 4 side panels, 5 collars, 501 wide inside diameters, 502 narrow inside diameters.
Embodiment
In order to make those skilled in the art understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The structural representation of sample ring in the sample preparation device of the bituminous softening-point test sample provided for the embodiment of the present invention referring to figs. 1 to Fig. 5, Fig. 1; Structural representation when the sample preparation device upper cover plate of the bituminous softening-point test sample that Fig. 2 provides for the embodiment of the present invention is opened; Main TV structure schematic diagram when the sample preparation device upper cover plate of the bituminous softening-point test sample that Fig. 3 provides for the embodiment of the present invention is opened; Side-looking structural representation when the sample preparation device upper cover plate of the bituminous softening-point test sample that Fig. 4 provides for the embodiment of the present invention is opened; Fig. 5 for the embodiment of the present invention provide with sample ring in Fig. 1 with the use of the structural representation of the collar; The structural representation of sample ring in the sample preparation device of the bituminous softening-point test sample that Fig. 6 provides for another embodiment of the present invention; Fig. 7 provide for another embodiment of the present invention with sample ring in Fig. 6 with the use of the structural representation of the collar; Fig. 8 is the sectional structure schematic diagram of the collar in Fig. 7.
The invention provides a kind of sample preparation device of bituminous softening-point test sample, comprise sample ring 1, sample ring 1 comprises external diameter different and the wide outer diameter part 102 that internal diameter is identical and narrow outer diameter part 101, also comprise infrabasal plate 2, upper cover plate 3 and the side panel 4 for infrabasal plate 2 and upper cover plate 3 are linked into an integrated entity, infrabasal plate 2 is fixedly connected with side panel 4, upper cover plate 3 can laterally rotate by plate 4, the height of side panel 4 meet upper cover plate 3 is covered after can contact with the upper surface of whole sample ring 1 is seamless, infrabasal plate 2 is provided with several for holding the groove 201 of fixing narrow outer diameter part 101, the degree of depth of groove 201 is less than the height of the narrow outer diameter part 101 of sample ring 1.
The application is by holding fixing sample ring 1 with the infrabasal plate 2 of several grooves 201, the degree of depth of groove 201 is less than the height of the narrow outer diameter part 101 of sample ring 1, make sample ring 1 to put into after groove 201 can with the inner bottom surface close contact of groove 201, thus for cast in sample ring 1 hot pitch time provide horizontal base panel; Upper cover plate 3 can laterally rotate by plate 4, make it possible to utilize upper cover plate 3 to extrude hot pitch, make it once shaping in hot state, there is and even curface concordant with sample ring 1 upper surface, hot cutter is adopted to repair without secondary, thus avoid a large amount of glance coal of generation, avoid environmental pollution and ensure that the healthy of worker is not encroached on; The height of side panel 4 meet upper cover plate 3 is covered after can contact with the upper surface of whole sample ring 1 is seamless, make whole samples all can one-shot forming, there is and the surface of surfacing concordant with sample ring 1 upper surface, improve yield rate, so once produce multiple sample, also improve sample preparation efficiency; A side panel 4 is only had to be connected between upper cover plate 3 with infrabasal plate 2, its excess-three side is all opening designs, make air can enter above-mentioned sample preparation device inner, fully contact with several sample ring 1, pitch in sample ring 1 is fully cooled, thus improve cooling velocity and sample preparation efficiency, the glance coal that three opening designs also make hot pitch produce can be overflowed quickly and easily from above-mentioned sample preparation device, avoids environmental pollution and ensure that the healthy of worker is not encroached on; And above-mentioned sample preparation device structure is simple, processing and fabricating cost is lower, is easy to apply.
Above-mentioned upper cover plate 3, infrabasal plate 2 and side panel 4 are plane tabular, have certain thickness, preferably, are rectangular-shaped.Preferably, above-mentioned side panel 4 is arranged on the Width of infrabasal plate 2.In order to prevent from using repeatedly, there is crimp in upper cover plate 3, and is corroded by pitch in order to avoid upper cover plate 3, preferably, upper cover plate 3 for thickness be the stainless-steel sheet of 2mm ~ 3mm.Above-mentioned groove 201 is circular groove 201.
When producing sample, according to actual needs, several sample ring 1 are placed in the groove 201 of infrabasal plate 2, guarantee all sample ring 1 bottoms and the inner bottom surface close contact of groove 201, pitch that is hot, that have certain fluidity of then casting in sample ring 1, the liquid level controlling hot pitch exceeds the upper surface of sample ring 1 a little, stop casting, upper cover plate 3 is covered, ensures that upper cover plate 3 is in a surface level, makes upper cover plate 3 contact with whole sample ring 1 upper surfaces is seamless.The pitch with mobility outwards can spread along the contact position of sample ring 1 with upper cover plate 3, the pitch spread after cooling still links together with the pitch in sample ring 1, because the pitch spread is thinner, now gently pitch is struck off all right with cold cutter, cutter need not be heated, also can not produce glance coal, so far, sample producing completes.
In order to improve sample preparation efficiency further, in one embodiment of the invention, infrabasal plate 2 is hollow-core construction, and in arbitrary two side upper sheds relatively, the two combines, make air can enter the inside of infrabasal plate 2, fully contact with several groove 201 outer walls, hot pitch is lowered the temperature indirectly, carry out indirectly cooling jointly cooling hot pitch to sample ring 1 top with above-mentioned air, thus significantly improve the cooling velocity of pitch, improve sample preparation efficiency.
Seamless contact can be realized with whole sample ring 1 upper surfaces after upper cover plate 3 covers, when extruding hot pitch, unnecessary pitch can shore upper cover plate 3, along with access times increase, upper cover plate 3 can be caused to be out of shape gradually, cannot realize seamless contact, the pitch that cannot ensure in sample ring 1 has and even curface concordant with sample ring 1 upper surface, later stage also needs secondary to rest and reorganize, and cannot realize one-shot forming.For this reason, in one embodiment of the invention, upper cover plate 3 and side panel 4 removably connect.After discovery upper cover plate 3 deforms, the upper cover plate 3 of damage can be changed, change the new upper cover plate of lastblock 3, thus improve the practicality of above-mentioned sample preparation device.Preferably, upper cover plate 3 and infrabasal plate 2 are articulated and connected by bearing pin 303.
In above-mentioned sample preparation device, upper cover plate 3 is only that one end is connected with side panel 4, and the other end is not connected with other structural member.When extruded to hot pitch, what can rely on is only the deadweight of upper cover plate 3, or adopts manpower to press for a long time.Depend merely on the deadweight of upper cover plate 3, be difficult to apply evenly equal extruding force to the pitch in whole sample ring 1, the sample mass produced is uneven unavoidably; Adopt manpower to press for a long time, waste time and energy.For this reason, in one embodiment of the invention, infrabasal plate 2 is provided with the fastener covering rear fastening upper cover plate 3 and infrabasal plate 2 for upper cover plate 3.After upper cover plate 3 covers, utilize fastener to coordinate side panel 4 upper cover plate 3 and infrabasal plate 2 to be fastenedly connected, both ensure that sample mass, and in turn saved manpower and time.After being fastenedly connected, need ensure that upper cover plate 3 is levels, to ensure pitch uniform force in whole sample ring 1 and equal, to ensure sample mass.Preferably, fastener is bolt and nut coupling arrangement.Screw rod 202 is arranged on infrabasal plate 2, upper cover plate 3 offers the open slot 301 coordinating above-mentioned screw rod 202 to pass.Tightening nut 302, realizes being fastenedly connected of infrabasal plate 2 and upper cover plate 3.
During above-mentioned extruding pitch, unnecessary pitch can spread to the periphery, also may flow downward along the outer wall of sample ring 1.During actual casting, due to bad control, often the amount of building is too much, causes the outer wall of sample ring 1 is stained with more pitch, and cleaning gets up to waste time and energy.For this reason, in one embodiment of the invention, above-mentioned sample preparation device also comprises the collar 5 be closely set on sample ring 1 outer wall, and the height adding and equal sample ring 1 of the height of the collar 5 and the degree of depth of groove 201, the internal diameter of the collar 5 and external diameter are all constant.During sample preparation, the above-mentioned collar 5 is set in the outside of sample ring 1, put into the groove 201 of infrabasal plate 2 together, then start sample preparation, unnecessary pitch can stick on the outer wall of the collar 5, instead of on the outer wall of sample ring 1, after sample preparation completes, the collar 5 is taken off, the outer wall of sample ring 1 there is no pitch adhesion, thus ensure that the quality of sample, improve the accuracy of softening point test data.
In one embodiment of the invention, above-mentioned sample preparation device also comprises the collar 5 be closely set on sample ring 1 outer wall, the height adding and equal sample ring 1 of the height of the collar 5 and the degree of depth of groove, the different wide inside diameter 501 of internal diameter and narrow inside diameter 502 is provided with in the collar 5, the upper surface of narrow inside diameter 502 and the upper surface of the collar 5 are on same surface level, and the top of wide outer diameter part is provided with external diameter and is less than the external diameter of wide outer diameter part and contraction flow region 103 close-fitting with narrow inside diameter 502.
During sample preparation, the above-mentioned collar 5 is set in the outside of sample ring 1, the narrow inside diameter 502 of the collar 5 is closely cooperated with the contraction flow region 103 in sample ring, put into the groove 201 of infrabasal plate 2 together, then start sample preparation, because the area of sample ring upper surface is very little, the pitch of unnecessary overflow only has very fraction to stick on the upper surface of sample ring, even do not adhere to, after sample preparation completes, the collar 5 is taken off.
By arranging narrow inside diameter 502 on the collar 5, and arrange and the close-fitting contraction flow region 103 of narrow inside diameter 502 in sample ring, reduce the width in sample ring annular upper end face, reduce the area of upper surface, reduce the area that pitch can contact with upper surface, the pitch of overflow and the contact area of upper surface are reduced further, or even not contact, without the need to adopting instrument to be struck off by the pitch sticking to sample ring upper surface again after pitch cooling, the time processing really achieving sample is shaping.
Above the sample preparation device of bituminous softening-point test sample provided by the present invention is described in detail.Apply specific embodiment herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (8)
1. the sample preparation device of a bituminous softening-point test sample, comprise sample ring, described sample ring comprises external diameter different and the wide outer diameter part that internal diameter is identical and narrow outer diameter part, it is characterized in that, also comprise infrabasal plate, upper cover plate and the side panel for described infrabasal plate and described upper cover plate are linked into an integrated entity, described infrabasal plate is fixedly connected with described side panel, described upper cover plate can rotate along described side panel, the height of described side panel meet described upper cover plate is covered after can contact with the upper surface of whole described sample ring is seamless, described infrabasal plate is provided with several for holding the groove of fixing described narrow outer diameter part, the degree of depth of described groove is less than the height of described narrow outer diameter part.
2. the sample preparation device of bituminous softening-point test sample according to claim 1, is characterized in that, described infrabasal plate is hollow-core construction, and in arbitrary two side upper sheds relatively.
3. the sample preparation device of bituminous softening-point test sample according to claim 1, is characterized in that, described upper cover plate and described side panel removably connect.
4. the sample preparation device of bituminous softening-point test sample according to claim 1, is characterized in that, described infrabasal plate is provided with the fastener covering rear fastening described upper cover plate and described infrabasal plate for described upper cover plate.
5. the sample preparation device of bituminous softening-point test sample according to claim 4, is characterized in that, described fastener is bolt and nut coupling arrangement, described upper cover plate offers the open slot coordinating described bolt and nut coupling arrangement.
6. the sample preparation device of bituminous softening-point test sample according to claim 1, it is characterized in that, also comprise the collar be closely set on described sample ring outer wall, the height adding and equal described sample ring of the height of the described collar and the degree of depth of described groove, the internal diameter of the described collar and external diameter are all constant.
7. the sample preparation device of bituminous softening-point test sample according to claim 1, it is characterized in that, also comprise the collar be closely set on described sample ring outer wall, the height adding and equal described sample ring of the height of the described collar and the degree of depth of described groove, the different wide inside diameter of internal diameter and narrow inside diameter is provided with in the described collar, the upper surface of described narrow inside diameter and the upper surface of the described collar on same surface level, the top of described wide outer diameter part be provided with external diameter be less than described wide outer diameter part external diameter and with the close-fitting contraction flow region of described narrow inside diameter.
8. the sample preparation device of bituminous softening-point test sample according to claim 1, is characterized in that, the stainless-steel sheet of described upper cover plate to be thickness be 2mm ~ 3mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510363548.7A CN104897451B (en) | 2015-06-26 | 2015-06-26 | A kind of sample preparation device of bituminous softening-point test sample |
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| CN201510363548.7A CN104897451B (en) | 2015-06-26 | 2015-06-26 | A kind of sample preparation device of bituminous softening-point test sample |
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| CN104897451A true CN104897451A (en) | 2015-09-09 |
| CN104897451B CN104897451B (en) | 2017-07-18 |
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| CN107966335A (en) * | 2016-10-19 | 2018-04-27 | 上海宝钢化工有限公司 | Sample preparation mold for measuring softening point of material |
| CN110907246A (en) * | 2019-12-09 | 2020-03-24 | 山西省交通科技研发有限公司 | Preparation device and use method suitable for contact angle measurement sample of asphalt high-viscosity substance |
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| US20080093548A1 (en) * | 2001-08-17 | 2008-04-24 | Waters Investments Limited | Sample preparation plate for mass spectrometry |
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| CN104897451B (en) | 2017-07-18 |
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