CN207148112U - Chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument - Google Patents
Chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument Download PDFInfo
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- CN207148112U CN207148112U CN201721125951.7U CN201721125951U CN207148112U CN 207148112 U CN207148112 U CN 207148112U CN 201721125951 U CN201721125951 U CN 201721125951U CN 207148112 U CN207148112 U CN 207148112U
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Abstract
The utility model discloses a kind of chemical classes from snow-melting asphalt pavement anti-freezing ice test instrument, including triangle icecap, ring-like rubber die trial and torque wrench, the triangle icecap is made up of the tapered shovel of center force-transmitting pole and several same specifications, the upper end of the center force-transmitting pole is extended with the connector for realizing connection with the moment of torsion wrench, several described tapered shovel circumference array are on the cylinder of center force-transmitting pole, along center force-transmitting pole radially, the laying state of each tapered shovel is consistent, the bottom surface and the bottom surface of center force-transmitting pole of each tapered shovel are coplanar, the internal diameter of the ring-like rubber die trial is more than the circle diameter of the triangle icecap.The utility model operating method is simple, is easily mastered, and experiment process artifical influence factor is small, as a result objective and data discrete is small, low cost, is designed to removable assembling structure, be easy to carry about with one storage, also has practical guided significance for reasonable selection chemical admixture kind in production.
Description
Technical field
It the utility model is related to asphalt detecting instrument, and in particular to a kind of chemical classes are from snow-melting asphalt pavement anti-freezing
Ice test instrument.
Background technology
Highway transportation is most convenient and unique with the means of transportation for being sent to function, in Modern Traffic transportation system of China
In it is with a very important position.But China is northern and local high altitude localities, seasonal snowfall, which freezes, has had a strong impact on road
The skid resistance on road, endangers road traffic safety.One side snowfall can not in time melt or be cleaned out and cause road surface attachment system
Number drastically declines；Ice-patch surface is more sliding again after another aspect snow melt, or ice and snow mixes and is planted in road surface construction shape
It is difficult to clean off into armour-piercing.To improve the traffic capacity of Winter Snow phase road, guarantee driving safety, melting certainly based on bituminous paving
Snow technology is just arisen at the historic moment.
Chemical classes refer to that it is main to be added in asphalt with antifreezing agent, Snow Agent etc. from snow-melting asphalt pavement technology
The chemical classes additive of composition, by reduce the freezing point of water reach prevented under the conditions of harsh climate and delay it is icy on road,
Accelerate snow melt, a kind of snow melt anti-freezing ice pavement technique of fast quick-recovery coefficient of road adhesion.The technology have it is easy to operate, to road
Road and bridge beam corrosivity is low, cost of investment is relatively low and has the advantages that long-acting anti-freezing ice effect, enjoys professional blue or green in recent years
Look at.
Pass through progressively discharging to realize that long-acting road surface anti-freezing ice is chemical classes from snow melt asphalt road for chemical admixture
The major function in face, how making accurate evaluation to its performance, there has been no effective method.For a long time, professional is more
The performance is evaluated using the determination methods of Phenomena Observation, such as：When bitumen mixture specimen is placed in into outdoor observation snowfall
Whether snow melt and icing, or be placed in refrigerator and observe the solidifying frost in surface and ice condition, it is subjective, will be unfavorable for chemical classes from
Detail design, performance evaluation and the Normalization in product market of snow-melting asphalt pavement.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of chemical classes are from snow melt asphalt road
Face anti-freezing ice test instrument.
To achieve the above object, the utility model uses following technical scheme：
Chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument, including triangle icecap, ring-like rubber die trial and moment of torsion
Spanner, the triangle icecap are made up of the tapered shovel of center force-transmitting pole and several same specifications, the center force-transmitting pole it is upper
End is extended with the connector for realizing connection with the torque wrench, and several described tapered shovel circumference array are in center power transmission
On the cylinder of post, the laying state of each tapered shovel is consistent along center force-transmitting pole radially, bottom surface and the center force-transmitting pole of each tapered shovel
Bottom surface it is coplanar, the internal diameter of the ring-like rubber die trial is more than the circle diameter of the triangle icecap.
Further, the tapered rectangular prism-frustum-shaped of isosceles three of shovel, it is by the large end face close to center force-transmitting pole cylinder
Gently reduce to the small end face away from center force-transmitting pole cylinder；The right angle bottom surface and the bottom surface of center force-transmitting pole of each taper shovel are total to
Face, right-angled side faces and the plane perpendicular of center force-transmitting pole, inclined-plane refers both to clockwise.
Further, the 1/2 of a length of large end face right angle length of side of the right-angle side of the small end face of the tapered shovel.
Further, the quantity of the tapered shovel is 3, and the center force-transmitting pole is cylinder, and in cylinder cylinder
Circumference array is machined with three cut surfaces for being used to fix tapered shovel, and the width of three cut surfaces is described with being highly equal to
The waist length of the large end face of tapered shovel.
Further, the right lower quadrant of each cut surface of the center force-transmitting pole is provided with screw, the large end face of the tapered shovel
End face center be extended with stud, the Stud connection is in the screw, the right angle of the large end face of the tapered shovel after connection
Base and right angle the side base with the cut surface and overlapping sideways respectively.
After adopting the above technical scheme, the utility model compared with background technology, has the following advantages that：
1st, road surface anti-freezing ice, and simple to operate, data stabilization can be quantitative determined, equipment manufacturing cost is low practical, makes
Chemical classes are able to objective quantification evaluation from the anti-freezing ice of snow-melting asphalt pavement, rationally determine chemical admixture dosage, good real
Ensure engineering economy while existing road surface anti-freezing ice function, also there is reality for reasonable selection chemical admixture kind in production
Directive significance；
2nd, the technical program operating method is simple, is easily mastered, and experiment process artifical influence factor is small, as a result objective and number
It is small according to discreteness；
3rd, triangle icecap is simple in construction, low cost, is designed to removable assembling structure, and be easy to carry about with one storage.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is triangle icecap explosive view；
Force-transmitting pole front view centered on Fig. 3.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
Embodiment
As shown in figure 1, chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument, including triangle icecap 1, ring-like rubber
Die trial 2 and torque wrench (not provided in figure).Torque wrench belongs to common instrument, and its structure and principle are not done cone and stated herein, this
In embodiment, torque wrench is digital display type torque wrench or the mechanical torque spanner with follow-up pointer.
As shown in Fig. 2 triangle icecap 1 is made up of the tapered shovel 12 of center force-transmitting pole 11 and several same specifications, this reality
Apply in example, the quantity of tapered shovel 12 is 3.The upper end of center force-transmitting pole 11 is extended with to be connected for being realized with the torque wrench hand
The connector 112 connect, it is hexagonal connector in the present embodiment, accordingly, the connection end of the torque wrench is Hexagonal jacket.3
12 circumference array of individual tapered shovel are on the cylinder of center force-transmitting pole 11, and along the radial direction of center force-transmitting pole 11, each tapered shovel 12 is put
Configuration state is consistent, and the bottom surface and the bottom surface of center force-transmitting pole of each tapered shovel are coplanar, and the internal diameter of ring-like rubber die trial 2 is slightly larger than described
The circle diameter of triangle icecap 1.
As shown in Fig. 2 sheets, in embodiment, the 12 rectangular prism-frustum-shapeds of isosceles three of tapered shovel, it is by close to center force-transmitting pole 11
The large end face of cylinder gently reduces to the small end face away from the cylinder of center force-transmitting pole 11, specifically, the small end face of tapered shovel 12
The 1/2 of a length of large end face right angle length of side of right-angle side；The right angle bottom surface and the bottom surface of center force-transmitting pole 11 of each taper shovel 12 are coplanar,
Right-angled side faces and the plane perpendicular of center force-transmitting pole 11, inclined-plane refers both to clockwise.
In the present embodiment, center force-transmitting pole 11 is cylinder, and is machined with three cuttings in cylinder cylinder circumference array
Face, the waist that width and the height of three cut surfaces are equal to the large end face of tapered shovel 12 are grown.The right lower quadrant of each cut surface is provided with spiral shell
Hole 111, the end face center of the large end face of tapered shovel 12 are extended with stud 121, and stud 121 is connected in screw 111, as Fig. 3 is empty
The Delta Region in the lower right corner shown in line, the right angle base of the large end face of tapered shovel 12 is (and on right angle bottom surface after connection
While), right angle side (i.e. in right-angled side faces while) and the hypotenuse base with cut surface, side and diagonal line overlap respectively.
Test procedure：
1. according to《Highway engineering pitch and Asphalt Mixture Experiment code》T 0703-2011 institutes in (JTG E20-2011)
It is 1 group that row method, which prepares 4 board-like test specimens of asphalt to be measured, is stripped after cooling.
2. by ring-like rubber die trial 2 be placed in test specimen center, drawn a circle respectively along the inner side and outer side of die trial with chalk, inner ring with
Part among outer ring is the region for needing to carry out encapsulation process.
3. smearing the encapsulants such as appropriate water-proof putty or plasticine among inner ring and outer ring, then ring-like rubber is tried
Mould 2 is reapposed on test specimen, noticing that placement location overlaps with circled region, and firmly pressing die trial makes it close with surface of test piece
Fitting, if encapsulant must then be struck off into inner ring with scraper.
4. triangle icecap 1 is placed in ring-like rubber die trial 2 and between two parties, then will be placed with rubber die trial 2 and open ice
The coupon level of device 1 is positioned over insulation in constant temperature refrigerator and (treated not less than 2h to less than the temperature for treating 10 DEG C of testing temperature, soaking time
Testing temperature refers to the minimum temperature of the estimated use environment of the anti-freezing ice compound).
5. 70ml (or 70g) drinking water is taken uniformly to be sprayed on bitumen mixture specimen table exposed in ring-like rubber die trial 2
Face, continue to be incubated 1h.
6. taking 200ml (or 200g) drinking water to pour into ring-like rubber die trial 2, continue to be incubated 4h, now spray or fall
Enter the water freezing of drinking in ring-like rubber die trial, and triangle icecap 1 is freezed into the board-like test specimen table of asphalt in the inner
Face.
7. improving 10 DEG C of constant temperature refrigerator temperature to testing temperature is treated, test specimen is incubated 2h at temperature to be measured.
8. taken out from refrigerator it is to be measured be fixed on from snow melt bitumen mixture specimen on experimental desk (platform), moment of torsion is pulled immediately
Hand force-measuring gauge is zeroed and entangles the positive hexagonal prism 112 on the top of center force-transmitting pole 11, horizontal in 0.7s~1.0s to reverse clockwise
Torque wrench, triangle icecap 1 rotate clockwise under twisting force and make to freeze broken or its entirety is shoveled in surface of test piece
Remove, read the anti-freezing ice value that torque wrench reading is the test specimen.
9. the anti-freezing ice value of remaining 3 test specimen in 1 group of board-like test specimen of retest, when some in 1 group of measured value is surveyed
When definite value and the difference of average value are more than definitely poor 1.46 times, the measured value should be given up, and with the average value of remaining measured value
As result of the test.
10. the more low then anti-freezing ice of anti-freezing ice measured value is better, otherwise poorer, by increasing or decreasing chemical admixture
Volume can be to being adjusted, so that it is determined that going out suitable chemical admixture volume from the anti-freezing ice of snow-melting asphalt pavement.
11. can be to being declined after multiple snowfall from the anti-freezing ice of snow-melting asphalt pavement by the retest to same group of test specimen
The situation of subtracting is made prediction, and the persistence or long-term effect of such road surface anti-freezing ice function are evaluated.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should
It is defined by scope of the claims.
Claims (5)
1. chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument, it is characterised in that：Tried including triangle icecap, ring-like rubber
Mould and torque wrench, the triangle icecap are made up of the tapered shovel of center force-transmitting pole and several same specifications, and the center passes
The upper end of power post is extended with the connector for realizing connection with the torque wrench, and several described tapered shovel circumference array exist
On the cylinder of center force-transmitting pole, the laying state of each tapered shovel is consistent along center force-transmitting pole radially, and the bottom surface of each tapered shovel is with
The bottom surface of heart force-transmitting pole is coplanar, and the internal diameter of the ring-like rubber die trial is more than the circle diameter of the triangle icecap.
2. chemical classes according to claim 1 are from snow-melting asphalt pavement anti-freezing ice test instrument, it is characterised in that：The cone
Type shovels the rectangular prism-frustum-shaped of isosceles three, and it is from the large end face close to center force-transmitting pole cylinder to away from the small of center force-transmitting pole cylinder
End face gently reduces；The right angle bottom surface and the bottom surface of center force-transmitting pole of each taper shovel are coplanar, right-angled side faces and center force-transmitting pole
Plane perpendicular, inclined-plane refer both to clockwise.
3. chemical classes according to claim 2 are from snow-melting asphalt pavement anti-freezing ice test instrument, it is characterised in that：The cone
The 1/2 of a length of large end face right angle length of side of right-angle side of the small end face of type shovel.
4. chemical classes according to claim 2 are from snow-melting asphalt pavement anti-freezing ice test instrument, it is characterised in that：The cone
The quantity of type shovel is 3, and the center force-transmitting pole be cylinder, and is machined with three for solid in cylinder cylinder circumference array
The cut surface of fixed tapered shovel, the waist that width and the height of three cut surfaces are equal to the large end face of the tapered shovel are grown.
5. chemical classes according to claim 4 are from snow-melting asphalt pavement anti-freezing ice test instrument, it is characterised in that：In described
The right lower quadrant of each cut surface of heart force-transmitting pole is provided with screw, and the end face center of the large end face of the tapered shovel is extended with stud, institute
Stud connection is stated in the screw, after connection the right angle base of the large end face of the tapered shovel and right angle side respectively with it is described
The base of cut surface and overlapping sideways.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721125951.7U CN207148112U (en) | 2017-09-04 | 2017-09-04 | Chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721125951.7U CN207148112U (en) | 2017-09-04 | 2017-09-04 | Chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument |
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| Publication Number | Publication Date |
|---|---|
| CN207148112U true CN207148112U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721125951.7U Active CN207148112U (en) | 2017-09-04 | 2017-09-04 | Chemical classes are from snow-melting asphalt pavement anti-freezing ice test instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398335A (en) * | 2019-12-12 | 2020-07-10 | 长安大学 | Anti-freezing effect testing device with temperature sensor for infrared thermal imaging bituminous mixture |
| CN113029935A (en) * | 2021-04-01 | 2021-06-25 | 北京工业大学 | Evaluation test method for ice and snow melting effect of salt-storage snow-melting asphalt mixture |
-
2017
- 2017-09-04 CN CN201721125951.7U patent/CN207148112U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398335A (en) * | 2019-12-12 | 2020-07-10 | 长安大学 | Anti-freezing effect testing device with temperature sensor for infrared thermal imaging bituminous mixture |
| CN113029935A (en) * | 2021-04-01 | 2021-06-25 | 北京工业大学 | Evaluation test method for ice and snow melting effect of salt-storage snow-melting asphalt mixture |
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