Asphalt density measuring device

By using a cup-lid through-hole to discharge asphalt in the asphalt density measuring device, combined with heating and weighing, the problems of low efficiency and accuracy of existing devices are solved, and efficient and accurate density measurement is achieved.

CN223526198UActive Publication Date: 2025-11-07BEIJING ORIENTAL YUHONG WATERPROOF TECH CO LTD
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Patent Information

Application Number
CN202422740207.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-07
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Existing asphalt gradient density measuring devices have low measurement efficiency at low temperatures, inaccurate measurement results at high temperatures, and are also subject to the problem of light component volatilization.

Method used

An asphalt density measuring device was designed, comprising a cup body, a detachable cup lid, and a heating element. Asphalt is discharged through a through hole in the cup lid, and density is measured in conjunction with a weighing element, thereby reducing measurement time and minimizing the volatilization of light components.

Benefits of technology

This improved measurement efficiency and accuracy, ensuring accurate calculation of asphalt density at different temperatures.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an asphalt density measuring device, which relates to the technical field of asphalt density measurement, and comprises a cup body, an asphalt density measuring device and an asphalt density measuring device, the cup cover is detachably connected with the cup body, the cup cover is provided with a through hole, and the through hole is used for allowing asphalt to flow out upwards; the heating part is used for heating the cup body containing asphalt; the weighing part is used for measuring the weight of the cup body and the cup cover; the problems of low measurement efficiency and inaccurate measurement result of an asphalt gradient density measurement device in the prior art are solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to pitch density measurement technical field, more specifically, relate to a pitch density measuring device. BACKGROUND

[0002] Pitch material has been widely used waterproof, moistureproof, anticorrosive and adhesive organic cementitious material. The pitch waterproof coiled material made of pitch base material is still the largest production and the most used waterproof material in the world, which occupies the dominant position. Because the density of pitch material is different at different temperatures, and the density will affect the coating material consumption of producing coiled material, so it is very important to accurately measure the pitch density at different temperatures.

[0003] In the prior art, Chinese patent, authorization announcement number: CN212807942U, discloses a pitch gradient density measuring device, including cup body, cup cover, the cup wall on the cup body upper end is provided with side seam, the side seam below is provided with deflector. The pitch gradient density measuring device can make pitch flow out through the side seam of the cup body side under constant temperature condition, and will not flow into the cup body again when the temperature decreases, and the pitch density at different temperatures can be measured.

[0004] However, the pitch gradient density measuring device has the following problems: first, when the temperature is low, the viscosity of low-grade pitch is large, and it is difficult to make pitch flow out through the side seam only by its own flowability without external pressure, the experimental time is long, and the efficiency is low. Second, it is difficult to observe whether the pitch expands completely at the temperature condition through the side seam, so that the measurement result is not accurate. Third, if the side seam is large, the light components in the pitch will volatilize a lot when the temperature is high, which will cause the deviation of the measurement result. UTILITY MODEL CONTENTS

[0005] The utility model aims at the deficiencies in the prior art, and provides a pitch density measuring device, which solves the problems of low measurement efficiency and inaccurate measurement result of the pitch gradient density measuring device in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a pitch density measuring device, which comprises:

[0007] The cup body is used for containing pitch.

[0008] The cup cover is detachably connected with the cup body, and the cup cover is provided with a through hole for pitch to flow upward.

[0009] The heating component is used for heating the cup body containing pitch.

[0010] The weighing component is used for measuring the weight of the cup body and the cup cover.

[0011] Optionally, the cup cover is provided with a through hole.

[0012] Optionally, the set volume is 100cm 3 .

[0013] Optionally, the diameter of the through hole is 1.5-2.5mm.

[0014] Optionally, the upper end of the cup body is provided with an annular connecting portion, the connecting portion is provided with a plurality of first connecting holes, the periphery of the cup cover is provided with a second connecting hole matched with the first connecting hole, and the cup cover is connected with the cup body through a bolt fastener penetrating the first connecting hole and the second connecting hole.

[0015] Optionally, one side of the cup cover is provided with a circular boss, the diameter of the boss is matched with the inner diameter of the upper end of the cup body, and when the cup cover is connected with the cup body, the boss is inserted into the cup body and the outer periphery of the boss is attached to the inner wall of the upper end of the cup body.

[0016] Optionally, the plurality of first connecting holes are uniformly distributed on the connecting portion along a circumference, and the second connecting hole is arranged in one-to-one correspondence with the first connecting hole.

[0017] Optionally, the heating component is a temperature-adjustable oven.

[0018] Optionally, the cup body and the cup cover are both made of metal.

[0019] Optionally, the height of the boss is 1-2mm.

[0020] The asphalt density measuring device has a cup body and a cup cover detachably connected with the cup body, the cup body can be capped through the cup cover after being filled with asphalt, the cup cover is provided with a through hole, so that the asphalt can only overflow out of the through hole, when the cup body containing asphalt and capped with the cup cover is heated by the heating component, the asphalt is extruded out of the through hole, compared with the asphalt gradient density measuring device in the prior art which makes the asphalt naturally flow out through the side seam, the extruded asphalt discharge mode can greatly reduce the test duration and improve the measurement efficiency, and compared with the side seam, the through hole on the cup cover can effectively reduce the contact area of the asphalt with the outside environment, reduce the volatilization of light components in the asphalt in the high temperature environment, improve the measurement accuracy, and the heating component can be conveniently observed whether the asphalt continuously flows out above the through hole during the heating process, to judge whether the asphalt is completely collided under the temperature condition, further improving the measurement accuracy.

[0021] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0022] The above and other objects, features and advantages of the present application will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings in which like reference characters refer to like parts throughout and in which:

[0023] Figure 1 Fig. 1 shows a front view of a structure of an asphalt density measuring device according to an embodiment of the present application.

[0024] Figure 2 Fig. 2 shows a top view of a structure of an asphalt density measuring device according to an embodiment of the present application.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, cup body; 2, cup cover; 3, boss; 4, connecting part; 5, through hole; 6, bolt; 7, nut. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present application will be described in more detail below. Although the preferred embodiments of the present application are described below, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present application will be thorough and complete, and will fully convey the scope of the present application to those skilled in the art.

[0028] As shown in Figure 1 and Figure 2 The present application provides an asphalt density measuring device, comprising:

[0029] The cup body 1 is used to hold asphalt;

[0030] The cup cover 2 is detachably connected with the cup body 1, and the cup cover 2 is provided with a through hole 5 for asphalt to flow upward;

[0031] The heating component is used to heat the cup body 1 containing asphalt;

[0032] The weighing component is used to measure the weight of the cup body 1 and the cup cover 2.

[0033] Specifically, in order to solve the problems of low measuring efficiency and inaccurate measuring result of the asphalt gradient density measuring device in the prior art, the asphalt density measuring device has a cup body 1 and a cup cover 2 detachably connected with the cup body 1, the cup body 1 can be capped by the cup cover 2 after being filled with asphalt, a through hole 5 is reserved on the cup cover 2, so that the asphalt can only overflow out of the through hole 5, when the cup body 1 filled with asphalt and capped by the cup cover 2 is heated by the heating component, the asphalt is extruded out of the through hole 5, compared with the asphalt gradient density measuring device in the prior art, the asphalt is naturally flowed out through the side seam, the extrusion and discharge mode of the asphalt can greatly reduce the test time and improve the measuring efficiency, and the through hole 5 on the cup cover 2 is used for discharging the asphalt, compared with the side seam, the contact area of the asphalt with the external environment can be effectively reduced, the volatilization of the light components in the asphalt under the high-temperature environment is reduced, the measuring accuracy is improved, and whether the asphalt is completely collided under the temperature condition can be judged by observing whether the asphalt continuously flows out above the through hole 5 during the heating process of the heating component, so that the measuring accuracy is further improved.

[0034] Optionally, the cup body 1 forms a closed containing cavity with a set volume after being capped by the cup cover 2.

[0035] Specifically, the cup cover 2 forms a closed containing cavity after being connected with the cup body 1, the closed containing cavity is filled with asphalt, and the cup cover 2 and the cup body 1 are always tightly connected, so that the volume of the asphalt is always equal to the set volume, and the volume of the asphalt to be measured can be effectively controlled.

[0036] Optionally, the set volume is 100 cm 3 .

[0037] Specifically, the set volume is 100 cm 3 , so that the density of the asphalt at each temperature can be conveniently calculated according to the density formula, and the convenience of calculation is improved.

[0038] Optionally, the diameter of the through hole 5 is 1.5-2.5 mm.

[0039] Specifically, the diameter of the through hole 5 cannot be too small, so as to ensure that the asphalt can be smoothly discharged when the asphalt expands, and the diameter of the through hole 5 cannot be too large, so as to reduce the exposure of the asphalt to the external environment and reduce the volatilization of the light components.

[0040] Optionally, the upper end of the cup body 1 is provided with an annular connecting portion 4, the connecting portion 4 is provided with a plurality of first connecting holes, the periphery of the cup cover 2 is provided with second connecting holes matched with the first connecting holes, and the cup cover 2 is connected with the cup body 1 by a bolt fastener penetrating through the first connecting holes and the second connecting holes.

[0041] Specifically, the cup cover 2 is fastened on the cup body 1 through the bolt fastener passing through the first connecting hole on the connecting part 4 and the second connecting hole on the cup cover 2, so as to realize the fastening of the cup cover 2 on the cup body 1 and the sealed connection between the cup body 1 and the cup cover 2.

[0042] In the embodiment, a sealing layer or a sealing gasket can be arranged on the connecting part 4 or the cup cover 2 to improve the sealing effect; the bolt fastener includes a bolt 6 and a nut 7.

[0043] Optionally, the cup cover 2 is provided with a circular boss 3 on one side, the diameter of the boss 3 matches the inner diameter of the upper end of the cup body 1, and when the cup cover 2 is connected with the cup body 1, the boss 3 is inserted into the cup body 1 and the outer periphery of the boss 3 is attached to the inner wall of the upper end of the cup body 1.

[0044] Specifically, the boss 3 is arranged so that when the cup cover 2 covers the cup body 1, the boss 3 can be embedded in the cup body 1, so that when the cup body 1 is filled with asphalt, it can not be filled too full, and the boss 3 is embedded to make the asphalt fill the cup body 1 as much as possible, and the volume of the asphalt in the cup body 1 approaches the set volume.

[0045] Optionally, a plurality of first connecting holes are uniformly distributed on the connecting part 4 along a circumference, and the second connecting holes are arranged one by one corresponding to the first connecting holes.

[0046] In the embodiment, the first connecting holes and the second connecting holes are respectively provided with four.

[0047] Optionally, the heating component is a temperature-adjustable oven.

[0048] Specifically, the cup body 1 with the cup cover 2 filled with asphalt can be placed in the oven for heating, and after being heated to a set temperature for a set time, the cup body 1 is taken out when there is no asphalt flowing out of the through hole 5, the asphalt flowing out of the cup cover 2 is cleaned, and then weighed.

[0049] Optionally, the cup body 1 and the cup cover 2 are both made of metal.

[0050] In the embodiment, the cup body 1 and the cup cover 2 are both made of iron.

[0051] Optionally, the height of the boss 3 is 1-2mm.

[0052] Specifically, the boss 3 is embedded in the cup body 1 to reduce the distance between the bottom surface of the boss 3 and the asphalt surface.

[0053] In summary, the asphalt density measuring device provided by the utility model uses the density measurement of one kind of asphalt at different temperatures as an example: first, the first weight of the cup body 1 connected with the cup cover 2 without asphalt is measured; then a certain volume of preheated asphalt is filled into the cup body 1 under a standard temperature environment, the asphalt is cooled to make the temperature of the asphalt in the cup body 1 consistent with the standard temperature, at this time, the liquid level height of the asphalt should be slightly lower than the upper end surface of the cup body 1, so that the boss 3 can be embedded into the cup body 1 close to the asphalt surface; then the cup cover 2 is covered, the bolt fastener is tightened, and then the cup body 1 with the asphalt and the cup cover 2 is placed into the oven, the oven temperature is set to 60 DEG C, the asphalt flowing out of the through hole 5 is removed every half an hour until no asphalt flows out of the through hole 5, at this time, the cup body 1 can be taken out, the cup body 1 with the asphalt and the cup cover 2 is weighed to obtain the second weight; the second weight minus the first weight is the weight of the asphalt in the cup at this temperature, then the weight difference is divided by the set volume to obtain the density of the asphalt at this temperature. Then the same method is used to measure the density of the asphalt every 10 DEG C, and so on until the test is completed, in this way, the gradient density of the asphalt can be obtained.

[0054] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. An asphalt density measuring device, characterized by, The application relates to a cup body for containing asphalt, a cup cover detachably connected with the cup body, a through hole in the cup cover for asphalt flowing upward, a heating component for heating the cup body containing asphalt, and a weighing component for measuring the weight of the cup body and the cup cover. The cup cover is provided with a closed containing cavity with a set volume. The diameter of the through hole is 1.5-2.5 mm. The upper end of the cup body is provided with an annular connecting part, the connecting part is provided with a plurality of first connecting holes, the periphery of the cup cover is provided with second connecting holes matched with the first connecting holes, and the cup cover is connected with the cup body through a bolt fastener penetrating through the first connecting holes and the second connecting holes. One side of the cup cover is provided with a circular boss with a diameter matched with the inner diameter of the upper end of the cup body, the boss is inserted into the cup body when the cup cover is connected with the cup body, and the outer periphery of the boss is attached to the inner wall of the upper end of the cup body.

2. The asphalt density measuring device of claim 1, wherein, The first connecting holes are distributed on the connecting part along a circumference, and the second connecting holes are arranged in one-to-one correspondence with the first connecting holes.

3. The asphalt density measuring device of claim 2, wherein, The set volume is 100 cm 3 .

4. The asphalt density measuring device of claim 1, wherein, The heating component is a temperature-adjustable oven.

5. The asphalt density measuring device of claim 1, wherein, The cup body and the cup cover are both made of metal.

6. The asphalt density measuring apparatus of claim 1, wherein, The height of the boss is 1-2 mm.

7. The asphalt density measuring apparatus of claim 5, wherein, ​ 8. The asphalt density measuring apparatus of claim 1, wherein, ​ 9. The asphalt density measuring apparatus of claim 1, wherein, ​ 10. The asphalt density measuring device of claim 6, wherein, ​

Citation Information

Patent Citations

  • Device for measuring asphalt density

    CN212807942U