CN216594424U - Aggregate saturation surface dry state processing device - Google Patents
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Abstract
The application relates to the field of asphalt, in particular to a processing device for aggregate saturated surface dry state. The device for processing the dry state of the aggregate saturated surface comprises a first sponge, a second sponge and a counterweight, wherein the aggregate saturated surface is in the dry state of the processing device in the use state, the aggregate is arranged above the first sponge, the second sponge is arranged above the aggregate, the second sponge can rotate relative to the first sponge, and the counterweight is arranged above the second sponge and used for increasing the pressure born by the aggregate from the top. According to the application, the saturated face dry state processing apparatus that gathers materials to having solved present messenger and having gathered materials and reached this processing procedure of saturated face dry state, need artificially to gather materials one by one clean, and the dynamics of cleaning when different personnel operate is different, need artificially to judge according to the detection experience the saturated face dry state of gathering materials of finishing cleaning, not only the waste time, and the experimental problem that has the error.
Description
Technical Field
The application relates to the field of asphalt, in particular to a processing device for aggregate saturated surface dry state.
Background
In the process of debugging the asphalt mixture, the measured value of the aggregate relative density greatly influences the accuracy of a series of volume indexes such as the theoretical maximum relative density and the void ratio of the asphalt mixture, so that the accurate measurement of the aggregate relative density is very important, but the surface of the aggregate needs to reach the saturated surface dry state of the aggregate before the measurement of the aggregate relative density.
However, the moisture on the aggregate surface is manually wiped by a towel or a pure cotton undershirt at present, so that the aggregate surface reaches the saturated dry state of the aggregate, the processing mode is one-by-one wiping of the aggregate, time is wasted, the aggregate which is firstly wiped in the test process is measured to lose moisture, errors exist in the test, the wiping force is different when different personnel operate, the aggregate cannot reach the ideal saturated dry state, the saturated dry state of the aggregate which is finished by wiping needs to be artificially judged according to the detection experience, time is wasted, and errors exist in the test.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a saturated face dry state processing apparatus gathers materials to having solved current messenger and having gathered materials and reached this processing procedure of saturated face dry state, having needed artificially to gather materials one clean, and the dynamics of cleaning when different personnel operate is different, need artificially to judge according to the detection experience the saturated face dry state of gathering materials of accomplishing of cleaning, not only the waste time, and the experimental problem that has the error.
According to the application, a saturated dry state processing apparatus that gathers materials is provided, including first sponge, second sponge and counterweight under the saturated dry state processing apparatus user state that gathers materials, the top of first sponge is provided with gathers materials, the second sponge set up in the top of gathering materials, the second sponge can for first sponge rotates, the counterweight sets up the top of second sponge is used for increasing the pressure that gathers materials and bore from the top.
In any of the above technical solutions, further, the aggregate saturated dry-face state processing apparatus further includes a rotating device, and the rotating device is connected to the second sponge to drive the second sponge to rotate.
In any of the above technical solutions, further, the rotating device includes a cover and a handle, the handle is connected to the cover, and the cover is connected to the second sponge.
In any of the above technical solutions, further, the rotating device further includes a connecting rod, and the cover body is connected with the second sponge through the connecting rod.
In any of the above technical solutions, further, the first sponge and the second sponge are cylinders, the aggregate saturated dry-face state processing device further includes a cylindrical housing, in a use state of the aggregate saturated dry-face state processing device, the first sponge is disposed at the bottom of the housing, a side portion of the first sponge is attached to an inner wall of the housing, and at least a portion of a side portion of the second sponge is attached to an inner wall of the housing.
In any of the above technical solutions, further, the cover body is a cylinder, and the diameter of the cover body is smaller than that of the housing.
In any of the above aspects, further, when the weight is disposed on the cover, at least a portion of the cover is inside the case.
In any of the above technical solutions, further, the aggregate saturated dry-face state processing apparatus further includes a pressing plate, and the pressing plate is used for pressing the first sponge and the second sponge.
In any of the above technical solutions, further, the first sponge and the second sponge are made of polyvinyl alcohol material, the diameter of the first sponge and the diameter of the second sponge are 35 cm, and the thickness of the first sponge and the thickness of the second sponge are 3 cm.
In any of the above technical solutions, further, the diameter of the housing is 35 cm, the height of the housing is 10 cm to 12 cm, and the diameter of the cover is 34.8 cm.
According to the aggregate saturated face dry state processing device, the aggregate is arranged above the first sponge, the second sponge is arranged above the aggregate, and the counterweight is arranged above the second sponge and used for increasing the pressure borne by the aggregate from the upper part under the using state of the aggregate saturated face dry state processing device, after the first sponge, the second sponge and the counterweight are arranged, a field worker only needs to rotate the second sponge, the field worker can calculate the mass of the counterweight and the number of rotating circles aiming at different aggregate specifications according to a plurality of tests, and further the surface of the aggregate can accurately reach the aggregate saturated face dry state, according to the aggregate saturated face dry state processing device, partial aggregate can be wiped simultaneously without wiping one aggregate, and the aggregate saturated face dry state processing device can be suitable for wiping strength of different operators, that is to say, different operating personnel can all operate the dry state processing apparatus of saturated face that gathers materials and make the aggregate reach accurate ideal dry state of saturated face, need not artifical judgement result, both practiced thrift the time, also reduced experimental error simultaneously.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 shows a schematic structural diagram of an aggregate saturated face-dry state processing device according to an embodiment of the application.
Icon: 100-a first sponge; 200-aggregate; 300-a second sponge; 400-a rotating device; 401-a handle; 402-a cover body; 403-connecting rod.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.
Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.
For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "above … …" includes both an orientation of "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.
The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.
The application provides a saturation face dry state processing apparatus gathers materials can be simultaneously cleaned partial aggregate, need not one and clean, and this saturation face dry state processing apparatus that gathers materials can be suitable for different operating personnel's the dynamics of cleaning, that is to say, different operating personnel can all operate saturation face dry state processing apparatus that gathers materials and make the saturation face dry state that gathers materials and reach the accuracy ideal, need not the manual judgement result, both the time of having practiced thrift, the experimental error has also been reduced simultaneously.
Before this application proposes, present make aggregate reach this processing procedure of saturation face dry state, all be the manual work and wipe the moisture on aggregate surface with towel or pure cotton undershirt, so that the surface of aggregate reaches the saturation face dry state of aggregate, this kind of processing mode, need one to aggregate clean, not only the waste time, and the aggregate of wiping earlier in survey test procedure has the moisture loss, still can make the experiment have the error, and the dynamics of wiping when different personnel operate is different, can not make aggregate reach the saturation face dry state of ideal, need artificially to judge the saturation face dry state of the aggregate of accomplishing of wiping according to the detection experience, not only the waste time, still can make the experiment have the error equally.
In view of this, according to the present application, there is provided an aggregate 200 processing apparatus, comprising a first sponge 100, a second sponge 300 and a counterweight, wherein in the using state of the aggregate 200 processing apparatus, the aggregate 200 is disposed above the first sponge 100, the second sponge 300 is disposed above the aggregate 200, and the counterweight is disposed above the second sponge 300, which can increase the pressure from above the aggregate 200, after the first sponge 100, the second sponge 300 and the counterweight are disposed, the field personnel only need to rotate the second sponge 300 to make the surface of the aggregate 200 reach the saturated dry-face state of the aggregate 200, wherein the mass of the counterweight and the number of rotations can be set according to the requirement, and the detailed processing process of the aggregate 200 will be described in detail below.
Firstly, preparing a test sample according to the requirements of the JTG E42-2005 highway engineering aggregate 200 test specification, wherein a 2.36mm-4.75mm aggregate 200 is taken as an example, firstly, sieving the sample by using a standard sieve to remove the fine aggregate 200 therein, sieving the coarse aggregate 200 with a 4.75mm sieve to obtain a 2.36mm-4.75mm aggregate 200 or a coarse aggregate 200 mixed in stone chips with the particle size of 4.75mm or less, sieving the coarse aggregate 200 by using a 2.36mm standard sieve, reducing the coarse aggregate to the required quality by using a quartering method or a distributor method, dividing the coarse aggregate into two parts for standby, respectively measuring the coarse aggregate 200 for asphalt pavement and the aggregate 200 for different specifications, wherein the 200 should not be obtained, and each 200 sample should basically keep the original grading, and when the coarse aggregate 200 for 2.36mm-4.75mm aggregate is measured, the coarse aggregate should be specially mixed and 200 should not be carefully mixed in the test process.
Each sample of the aggregate 200 is then soaked in water and agitated as appropriate to carefully wash out dirt and stone dust adhering to the surface of the aggregate 200, and rinsed out multiple times until the water is completely clear, where no particles of the aggregate 200 must be lost during the cleaning process.
Second, recording the weight m of waterwFirstly, a sample is taken and loaded into a clean enamel tray, clean water is injected, the water level is at least 20 mm higher than the sample, the stone is gently stirred, bubbles attached to the stone are enabled to completely escape, and the enamel tray is kept immersed for 24 hours at room temperature.
And then, hanging the hanging basket on a lifting hook of the balance, immersing the hanging basket in an overflow water tank, injecting water into the overflow water tank, enabling the water level to reach an overflow hole of the water tank, zeroing the balance, ensuring that the aggregate 200 cannot be lost through a sieve hole by a screen of the hanging basket, replacing a small-hole screen for the 2.36mm-4.75mm coarse aggregate 200, or adding a shallow tray in the mesh basket.
Finally, adjusting the water temperature to be within the range of 15-25 ℃, transferring the sample into a hanging basket, controlling the water surface height in an overflow water tank by an overflow hole of the water tank, keeping the water surface height unchanged, and weighing the mass m in the water of the aggregate 200w. Here, as if the difference between the maximum particle size and the minimum particle size of the aggregate 200 with the same specification is more than 2 times, the operation of surface dry relative density is respectively carried out by adopting a middle particle size sieve to sieve into two grades before the test, and the mass weighed twice is added to obtain m when the calculation result is obtainedw。
Thirdly, the surface of the aggregate 200 reaches the saturated surface dry state of the aggregate 200 by adopting the aggregate 200 treatment device, and the aggregate 200 is immediately weighed, namely the surface dry mass mf。
Firstly, preparing two standard sponges, namely sponges with the water absorption mass accounting for 4 to 4.5 times of the sponge mass, specifically, preparing two sponges, putting the sponges into water, repeatedly squeezing and evacuating air in the sponges and absorbing water to a saturated state, then lightly taking out the sponges and placing the sponges on a glass plate, downwards squeezing the sponges to a half of the total thickness of the sponges by using a calibration cover plate (here, the calibration cover plate is a pressure plate, and the pressure plate can be a glass plate), and holding and pressing for 3 seconds, wherein the sponge water absorption state is a water absorption standard state, and the two sponges are subjected to operation in the standard water absorption state before each test, wherein in the embodiment, the two sponges can be the same and can be in a cylinder shape, the cylinder-shaped sponges are more convenient to rotate, and the two sponges are preferably made of polyvinyl alcohol materials, and both may be 35 cm in diameter and 3 cm thick.
Then, the aggregate 200 with the weighed mass in the water is placed on one of the sponges, the other sponge is placed on the aggregate 200, and then the other sponge can be rotated according to the requirement, so that the surface of the aggregate 200 finally reaches a saturated surface dry state of the aggregate 200, compared with the prior art, the aggregate 200 does not need to be manually wiped one by one with towels, in addition, in the embodiment of the application, as shown in fig. 1, the aggregate 200 treatment device can further comprise a cylindrical shell, the upper part of the shell can be provided with an opening, wherein the two sponges and the aggregate 200 can be placed in the shell, the shell can be arranged to reduce the dispersion of moisture on the surface of the aggregate 200 and the moisture of the sponge, the positions of the sponges and the aggregate 200 can be limited to facilitate rotation, specifically, an operator can prepare the shell in advance, and then place one of the sponges (the first sponge 100 in fig. 1) at the bottom of the shell, next, the aggregate 200 with the weighed mass in the water is placed on the first sponge 100, another sponge (the second sponge 300 in fig. 1) is placed on the aggregate 200, and finally the second sponge 300 can be rotated according to the requirement, so that the surface of the aggregate 200 reaches the saturated surface dry state of the aggregate 200, and it should be noted that in the process of placing the aggregate 200 on the first sponge 100, the aggregate 200 should be spread out as much as possible, so that the aggregate 200 is not overlapped, and each aggregate 200 can be wiped, and the stress is uniform.
In addition, in the embodiment of the present application, the aggregate 200 treatment device may further include a rotating device 400, the rotating device 400 may be connected to the second sponge 300, and a field worker may rotate the rotating device 400 to rotate the second sponge 300.
In this embodiment, as shown in fig. 1, the rotating device 400 may include a cover 402 and a handle 401, the handle 401 is connected to the cover 402, the cover 402 is connected to the second sponge 300, the rotating device 400 may further include a connecting rod 403, the cover 402 is connected to the second sponge 300 through the connecting rod 403, and a field person only needs to rotate the handle 401, where a specific structure of the rotating device 400 is not particularly limited, as long as the rotating device can drive the second sponge 300 to rotate, as an example, the rotating device 400 may be composed of the handle 401, and the handle 401 may be adhered to the second sponge 300.
It should be noted that, in one example, a part of the second sponge 300 may be exposed to the outside, that is, in the using state of the aggregate 200 processing device, the side of the first sponge 100 is attached to the inner wall of the housing, a part of the side of the second sponge 300 is attached to the inner wall of the housing (partially exposed to the outside), and the rotating device 400 is completely exposed to the outside and connected with the same, so that the rotating device 400 is convenient for the field personnel to rotate.
In another example, in order to prevent the second sponge from being exposed to the outside to emit moisture, the diameter of the cover 402 may be smaller than the diameter of the housing, and then the cover 402 may enter the interior of the housing, and the cover 402 may completely place the second sponge 300 in the interior of the housing, that is, in the using state of the aggregate 200 processing device, the side of the first sponge 100 is attached to the inner wall of the housing, the side of the second sponge 300 is attached to the inner wall of the housing, and the rotating device 400 is partially exposed to the outside and connected thereto, specifically, the cover 402 of the rotating device 400 is completely placed in the interior of the housing, that is, the side of the cover 402 is attached to the inner wall of the housing, and the handle is exposed to the outside, and the field personnel may rotate the handle to drive the second sponge 300 to rotate, in this example, the diameter of the housing may be 35 cm, the height of the housing may be 10 cm to 12 cm, the cover 402 may have a diameter of 34.8 cm, and the housing and the cover 402 may be made of acrylic or stainless steel.
Finally, a counterweight is placed on the cover body 402, and at the moment, a tester only needs to apply horizontal force to rotate the cover body 402, and does not apply downward force, so that the aggregate 200 processing device can be suitable for the wiping force of different operators, that is, different operators can operate the aggregate saturated surface dry state processing device to enable the aggregate to reach an accurate and ideal saturated surface dry state, wherein the mass of the counterweight can be obtained according to a plurality of tests, in the embodiment, the mass of the counterweight can be 200 grams, in addition, the test can also be obtained according to a plurality of tests, when the second sponge 300 is rotated, coarse aggregate of 13.2mm and above can be rotated for 2 circles, aggregate 200 of 4.75-13.2mm can be rotated for 3 circles, aggregate 200 of 2.36mm-4.75mm can be rotated for 5 circles, and after the operation is finished, the mass of the aggregate 200 is immediately weighed, namely, the surface dry mass mf. Here, as if the difference between the maximum particle size and the minimum particle size of the aggregate 200 of the same specification is more than 2 times, the surface drying should be carried out respectively by adopting an intermediate particle size sieve to sieve into two grades before the testRelative density operation, and adding the two weighed masses to obtain mf。
Wherein, the surface dry relative density is:
from the above, the aggregate 200 processing device can accurately enable the surface of the aggregate 200 to reach the saturation surface dry state of the aggregate 200, namely, m is reducedfErrors in the values, in turn, reduce errors in the relative density of the facia.
In addition, the concrete treatment process of the material can also comprise a fourth step of placing the aggregate 200 in a tray, placing the tray in an oven with the temperature of 100-110 ℃ for drying until the weight is constant, taking out the tray, placing the tray in a container with a cover for cooling to the room temperature, and weighing the drying mass m of the aggregate 200a。
Wherein, the relative density of the hair volume:
from the above, m is reducedfThe error of the value can also reduce the error of the relative density of the bulk volume.
In order to verify the accuracy of the detection result of the aggregate 200 treatment device, the aggregate 200 treatment device is adopted for detecting the aggregates 200 with different specifications, and the result is shown in the following table:
TABLE 1 first limestone test results
TABLE 2 second limestone test results
TABLE 3 basalt test results
According to the detection result, the detection result of the aggregate saturated surface dry state processing device is compared with the standard detection, so that the positive deviation and the negative deviation in irregular and different degrees exist, but the detection result can meet the error range required by the standard (the standard requires the precision of repeated tests, the difference of the results of two times of apparent relative density, apparent dry relative density and gross volume relative density is not more than 0.02, and the water absorption rate is not more than 0.2 percent).
It is worth mentioning here that all the test data of the present application satisfy the requirement of reproducibility of the parallel test.
According to the aggregate saturated face dry state processing device, the aggregate is arranged above the first sponge, the second sponge is arranged above the aggregate, and the counterweight is arranged above the second sponge and used for increasing the pressure borne by the aggregate from the upper part under the using state of the aggregate saturated face dry state processing device, after the first sponge, the second sponge and the counterweight are arranged, a field worker only needs to rotate the second sponge, the field worker can calculate the mass of the counterweight and the number of rotating circles aiming at different aggregate specifications according to a plurality of tests, and further the surface of the aggregate can accurately reach the aggregate saturated face dry state, according to the aggregate saturated face dry state processing device, partial aggregate can be wiped simultaneously without wiping one aggregate, and the aggregate saturated face dry state processing device can be suitable for wiping strength of different operators, that is to say, different operating personnel can all operate the dry state processing apparatus of saturated face that gathers materials and make the aggregate reach accurate ideal dry state of saturated face, need not artifical judgement result, both practiced thrift the time, also reduced experimental error simultaneously.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The device for treating the saturated aggregate dry state is characterized by comprising a first sponge, a second sponge and a counterweight, wherein when the device for treating the saturated aggregate dry state is in a use state,
aggregate is arranged above the first sponge,
the second sponge is arranged above the aggregate,
the second sponge is rotatable relative to the first sponge,
the counterweight is arranged above the second sponge and used for increasing the pressure borne by the aggregate from above.
2. The aggregate saturated surface-dry state processing device according to claim 1, further comprising a rotating device connected to the second sponge to drive the second sponge to rotate.
3. The aggregate saturated dry condition treatment device according to claim 2, wherein the rotating device comprises a cover and a handle, the handle is connected to the cover, and the cover is connected to the second sponge.
4. The aggregate saturated dry-face condition processing device according to claim 3, wherein the rotating device further comprises a connecting rod, and the cover body is connected with the second sponge through the connecting rod.
5. The aggregate saturated dry-face condition processing device according to claim 3, wherein the first sponge and the second sponge are cylindrical, the aggregate saturated dry-face condition processing device further comprises a cylindrical housing, in a use condition of the aggregate saturated dry-face condition processing device, the first sponge is arranged at the bottom of the housing, the side portion of the first sponge is attached to the inner wall of the housing, and at least part of the side portion of the second sponge is attached to the inner wall of the housing.
6. The apparatus for treating the saturated dry state of aggregate according to claim 5, wherein the cover is cylindrical and has a diameter smaller than that of the housing.
7. The aggregate saturated dry condition processing apparatus of claim 6, wherein at least a portion of the cover is inside the housing when the counterweight is disposed on the cover.
8. The aggregate saturated face-dry condition processing apparatus according to claim 1, further comprising a pressing plate for pressing the first sponge and the second sponge.
9. The aggregate saturated dry-face condition treatment device of claim 5, wherein the first and second sponges are made of polyvinyl alcohol material, the first and second sponges are 35 cm in diameter, and the first and second sponges are 3 cm in thickness.
10. The aggregate saturated dry-face condition processing device according to claim 6, wherein the diameter of the housing is 35 cm, the height of the housing is 10 cm to 12 cm, and the diameter of the cover is 34.8 cm.
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