Sample containing device for asphalt segregation test

Abstract

The utility model discloses an asphalt segregation test sample containing device which comprises a sample containing pipe and a containing instrument, the sample containing pipe comprises a sample containing pipe body, the sample containing pipe body is sequentially provided with an engraved mark, a first groove and a second groove from top to bottom, the distance between the engraved mark and the first groove and the distance between the first groove and the second groove are equal, and the distance between the first groove and the second groove is equal to the distance between the first groove and the second groove. The distances from the second grooves to the bottom end of the sample containing pipe body are equal. According to the device, by arranging the asphalt segregation test sample containing pipe comprising the engraved marks, the first groove and the second groove and the sample containing instrument matched with the sample containing pipe, the sample injection amount of an asphalt sample to be segregated can be effectively controlled, the unification of the sample amount is ensured, the two grooves serve as pipe body cutting positions, a pipe body can be rapidly, accurately and safely separated after the sample is solidified, and the sample separation efficiency is improved. The sample is divided into three parts.

Description

Technical Field

[0001] The utility model belongs to the technical field of testing equipment, and in particular relates to a sample holding device for asphalt segregation testing. Background Art

[0002] When conducting asphalt performance tests, such as evaluating asphalt compatibility, it is often necessary to use a test tube container or an aluminum round tube as a sample tube, and then put it in an oven at a certain temperature and let it stand for a specified time. After the heating is completed, the sample tube is placed vertically in a freezer to solidify it. Then the sample tube is taken out and divided into three equal sections. The softening point values ​​of the upper and lower sections are measured, and its compatibility is evaluated by the softening point difference.

[0003] It was found in research and practice that there is no clear regulation on the total amount of asphalt samples taken during asphalt segregation tests, and the sample holding devices used are different. In actual operation, a marker or a signature pen is usually used to divide the sample into three equal parts with a ruler according to its total height. The experiment is time-consuming, and the surface of the sample tube is smooth and difficult to cut. If the operation is improper, it is easy to injure the experimenter by mistake. In addition, the bottom of the sample tube is usually round, and if it is not placed properly, it is easy to tilt during heating, causing certain errors in the experiment and affecting the accuracy of the results. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide an asphalt segregation test sample holding device in view of the deficiencies of the above-mentioned prior art. The asphalt segregation test sample holding device comprises an asphalt segregation test sample holding tube comprising an engraved mark, a first groove and a second groove. The sample holding tube can effectively control the injection amount of the asphalt sample to be separated, ensure the uniformity of the sample amount, and avoid sample overflow during the separation heating process. The two grooves serve as the cutting points of the tube body, which can accurately and safely separate the tube body after the sample solidifies, thereby dividing the sample into three parts, thereby testing and obtaining the softening points of different parts.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: an asphalt segregation test sample holding device, characterized in that it includes a sample holding tube and a holding instrument, the sample holding tube includes a sample holding tube body, the sample holding tube body is sequentially provided with a mark, a first groove and a second groove from top to bottom, the distance from the mark to the first groove, the distance from the first groove to the second groove, and the distance from the second groove to the bottom end of the sample tube body are equal.

[0006] The above-mentioned asphalt segregation test sample holding device is characterized in that the first groove and the second groove are both arranged along the circumference of the sample holding tube body.

[0007] The above-mentioned asphalt segregation test sample holding device is characterized in that it also includes a cover cap that is detachably arranged at the top opening of the sample holding tube body, and a handle is installed on the cover cap.

[0008] The above-mentioned asphalt segregation test sample holding device is characterized in that the cap is a silicone cap and the handle is a silicone handle.

[0009] The above-mentioned asphalt segregation test sample holding device is characterized in that a cavity for accommodating the asphalt segregation test sample holding tube is provided in the holding instrument, and an opening for inserting the asphalt segregation test sample holding tube is provided on the holding instrument.

[0010] The above-mentioned asphalt segregation test sample holding device is characterized in that an attachment portion for attaching a label is provided on the side of the holding instrument.

[0011] The above-mentioned asphalt segregation test sample holding device is characterized in that a recess is provided on the inner bottom surface of the cavity directly opposite to the opening.

[0012] The above-mentioned asphalt segregation test sample holding device is characterized in that the inner height of the recess is 2cm~3cm.

[0013] The above-mentioned asphalt segregation test sample holding device is characterized in that the holding instrument is a silica gel holding instrument.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The utility model can effectively control the injection amount of the asphalt sample to be separated by providing an asphalt separation test sample tube including a mark, a first groove and a second groove and a sample holder matched with the sample tube, thereby ensuring the uniformity of the sample amount and avoiding sample overflow during the separation heating process. The two grooves serve as the cutting points of the tube body, which can quickly, accurately and safely separate the tube body after the sample solidifies, thereby realizing the three-part sample division.

[0016] 2. Preferably, the asphalt separation test sample holding device of the utility model further includes a cap detachably arranged on the sample holding tube body, which can prevent the intrusion of impurities during the heating and condensation process, and is easy to remove and reuse.

[0017] 3. Preferably, the asphalt segregation test sample holding device of the utility model includes a holding instrument with an attachment portion for attaching labels on the side, which is conducive to quickly distinguishing different types of samples.

[0018] 4. Preferably, in the asphalt segregation test sample holding device of the present invention, a recess is provided in the cavity of the holding instrument, which can effectively prevent the sample holding tube from tilting and ensure that it is always in an upright state.

[0019] 5. The utility model has reliable principle and is convenient for rapid experiments. The cap and sample container are made of reusable silicone material, which is conducive to reuse and avoids waste of experimental materials. It has high promotion and application value.

[0020] The technical solution of the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] FIG1 is a schematic diagram of the structure of the utility model.

[0022] FIG. 2 is a top view of the container.

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the container.

[0024] Description of reference numerals:

[0025] 1—cap; 2—marking; 3—container; 31—cavity; 32—recess; 4—attachment portion; 5—sample tube body; 6—opening; 71—first groove; 72—second groove; 9—handle. DETAILED DESCRIPTION Example

[0026] See also Figure 1 , Figure 2 and Figure 3 The utility model provides an asphalt segregation test sample holding device, including a sample holding tube and a holding instrument 3, the sample holding tube includes a sample holding tube body 5, the sample holding tube body 5 is sequentially provided with a mark 2, a first groove 71 and a second groove 72 from top to bottom, the distance from the mark 2 to the first groove 71, the distance from the first groove 71 to the second groove 72, and the distance from the second groove 72 to the bottom end of the sample holding tube body 5 are equal, as shown in FIG1 by label A.

[0027] The distance from the mark 2 to the top of the sample tube body 5 is equal to the distance from the mark 2 to the first groove 71. In actual operation, the mark 2 is used as the upper limit of the injection, and the sample height of the asphalt separation sample is controlled to be about 3 / 4 of the tube body height, which can effectively prevent the sample from overflowing and causing harm to the experimenter. Preferably, the distance from the mark 2 to the top of the sample tube body 5 is equal to the distance from the mark 2 to the first groove 71.

[0028] The first groove 71 and the second groove 72 are both arranged along the circumference of the sample holding tube body 5 .

[0029] The utility model provides an asphalt separation test sample tube comprising an engraved mark, a first groove and a second groove. The sample tube can effectively control the injection amount of the asphalt sample to be separated, ensure the uniformity of the sample amount, and avoid sample overflow during the separation heating process. The two grooves serve as the cutting points of the tube body, and can accurately and safely separate the tube body after the sample solidifies, thereby dividing the sample into three parts, thereby testing and obtaining the softening points of different parts.

[0030] The asphalt segregation test sample tube of this embodiment also includes a cap 1 detachably arranged at the top opening of the sample tube body 5, and a handle 9 is installed on the cap 1. The cap is detachably arranged on the sample tube body 5, which can prevent the intrusion of impurities during the heating and condensation process, and is convenient to remove and reuse.

[0031] The cap 1 is a silicone cap, and the handle 9 is a silicone handle.

[0032] The asphalt segregation test sample tube of this embodiment has a sample tube body 5 which is a round-bottomed glass tube. The tube body 5 of the sample tube is cylindrical, and the inner cavity cross section is circular.

[0033] In this embodiment, the container 3 is provided with a cavity 31 for accommodating the asphalt segregation test sample tube, the container 3 is provided with an opening 6 for inserting the asphalt segregation test sample tube, and the side of the container 3 is provided with an attachment portion 4 for attaching a label. The opening 6 is connected to the cavity 31 and can be used to place the asphalt segregation test sample tube. The attachment portion 4 is conducive to quickly distinguishing different types of samples.

[0034] In the container 3 of this embodiment, a recess 32 is formed on the inner bottom surface of the cavity 31 opposite to the opening 6 .

[0035] The inner height of the concave part 32 is 2 cm to 3 cm. The bottom thickness of the container 3 is greater than 3 cm, so that the concave part 32 can be formed. The cross-sectional shape of the concave part 32 is circular. The inner diameter of the notch of the concave part 32 is less than the inner diameter of the opening 6.

[0036] The container 3 is a silica gel container, which is easy to clean and can be reused.

[0037] The recess 32 is integrally formed on the inner bottom surface of the container 3. The asphalt separation test sample tube can be inserted into the opening 6 into the cavity 31 and then abutted against the recess 32. The silicone recess 32 elastically clamps the sample tube to achieve stable storage of the sample tube, which can effectively avoid the tilt of the sample tube during the condensation process and has higher stability.

[0038] The method for asphalt segregation testing using the utility model specifically includes:

[0039] Edit a label according to the type and content of the prepared asphalt sample and attach it to the attachment part 4 of the container 3;

[0040] Slowly add the prepared liquid asphalt sample into the sample tube body 5 until it reaches the mark 2, then stop adding;

[0041] Put the cap 1 onto the top opening of the sample tube body 5;

[0042] The sample tube body 5 is heated for a prescribed time;

[0043] Place the heated sample tube body 5 in the holding instrument 3, so that the lower end of the sample tube body 5 enters the recess 32, and the sample tube body 5 remains vertical;

[0044] Condensation of asphalt samples was performed according to the prescribed time;

[0045] The sample tube body 5 is broken from the first groove 71 and the second groove 72, and the softening points of the broken samples are tested respectively to evaluate the compatibility.

[0046] The above is only a preferred embodiment of the utility model and does not limit the utility model in any way. Any simple modification, change and equivalent structural change made to the above embodiment according to the technical essence of the utility model still falls within the protection scope of the technical solution of the utility model.

Claims

1. An asphalt segregation test sample holding device, characterized in that: The invention comprises a sample holding tube and a holding instrument (3), wherein the sample holding tube comprises a sample holding tube body (5), wherein the sample holding tube body (5) is provided with a mark (2), a first groove (71) and a second groove (72) in sequence from top to bottom, wherein the distance from the mark (2) to the first groove (71), the distance from the first groove (71) to the second groove (72), and the distance from the second groove (72) to the bottom end of the sample holding tube body (5) are equal.

2. The asphalt segregation test sample holding device according to claim 1, characterized in that: The first groove (71) and the second groove (72) are both arranged along the circumference of the sample holding tube body (5).

3. The asphalt segregation test sample holding device according to claim 1, characterized in that: It also comprises a cover cap (1) which is detachably arranged at the top opening of the sample tube body (5), and a handle (9) is installed on the cover cap (1).

4. The asphalt segregation test sample holding device according to claim 3, characterized in that: The cap (1) is a silicone cap, and the handle (9) is a silicone handle.

5. The asphalt segregation test sample holding device according to claim 1, characterized in that: The containing device (3) is provided with a cavity (31) for accommodating a sample tube for asphalt segregation test, and the containing device (3) is provided with an opening (6) for inserting the sample tube for asphalt segregation test.

6. The asphalt segregation test sample holding device according to claim 5, characterized in that: The side of the containing instrument (3) is provided with an attachment portion (4) for attaching a label.

7. The asphalt segregation test sample holding device according to claim 5, characterized in that: A recess (32) is provided on the inner bottom surface of the cavity (31) opposite to the opening (6).

8. The asphalt segregation test sample holding device according to claim 7, characterized in that: The inner height of the recess (32) is 2 cm to 3 cm.

9. The asphalt segregation test sample holding device according to claim 1, characterized in that: The container (3) is a silica gel container.

Images