Viscosity measuring device for asphalt material production

Abstract

The utility model discloses a viscosity measuring device for asphalt material production, and belongs to the technical field of asphalt viscosity measurement. The viscosity measuring device for asphalt material production comprises a constant-temperature bin and further comprises a rotor, the rotor is located in the constant-temperature bin, a rotary viscometer body is arranged above the constant-temperature bin, a through hole is formed in the constant-temperature bin, and the interior of a motor extends upwards to form a telescopic rod. In order to solve the problems that an asphalt sample needs to be heated before viscosity measurement, the temperature of the asphalt sample is unstable and measurement errors are easily caused in the process that the asphalt sample is put into a measuring cylinder after being heated, a sample containing vessel and a rotor are arranged in a constant-temperature bin at the same time, and when the sample containing vessel and the rotor are both heated to a set temperature, the rotor enters the sample containing vessel; the viscometer body is rotated to measure the viscosity of the asphalt sample in the sample containing vessel by rotating the rotor, so that the temperature of the rotor and the asphalt sample is stabilized, and the accuracy and the reliability of a measurement result are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt viscosity measurement, in particular to a viscosity measuring device for asphalt material production. Background Art

[0002] Asphalt is a dark brown complex mixture of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid. It is in liquid state, has a black surface, and is soluble in carbon disulfide. Common asphalt viscosity test methods include capillary method and rotation method. The capillary method is based on the principle of stable laminar flow of liquid in the capillary, while the rotation method determines the viscosity by measuring the resistance of the rotating body in the asphalt.

[0003] A Chinese patent with publication number CN218157406U discloses a CNC calibration device for standard viscosity of asphalt. The position of the sliding seat is adjusted by an adjusting mechanism. A bearing cylinder is installed on the top of the sliding seat. A plurality of elastic columns are evenly installed circumferentially inside the bearing cylinder. A splint is installed at one end of the elastic column away from the side wall of the bearing cylinder. The splint is an arc-shaped plate, and a rubber pad is installed on the side of the splint opposite to the inner wall of the bearing cylinder. A guide plate is installed on the top of the splint. The guide plate is a conical plate, which facilitates the removal and placement of the measuring cylinder and can improve the storage stability of measuring cylinders of different models.

[0004] In the above patent, when measuring the viscosity of asphalt, it is necessary to place the asphalt sample to be tested into the interior of a heating box, heat the asphalt sample to the required temperature, and then place the sample into a measuring cylinder for viscosity measurement. There is a problem that the temperature of the asphalt sample is unstable during the process of placing the asphalt sample into the measuring cylinder after being heated, which can easily cause measurement errors. Therefore, it does not meet the existing needs, and a viscosity measuring device for asphalt material production is proposed. Utility Model Content

[0005] The utility model aims to provide a viscosity measuring device for asphalt material production. A heating tube is arranged inside a constant temperature chamber, which releases heat to continuously increase the temperature inside the constant temperature chamber. A sample dish and a rotor are arranged inside the constant temperature chamber at the same time. The upper end of the rotor is connected to a transmission column, and the transmission column is connected to a rotational viscometer body. When the sample dish and the rotor are heated to a set temperature, the rotor enters the sample dish, and the rotational viscometer body measures the viscosity of the asphalt sample inside the sample dish by rotating the rotor, thereby solving the problems in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a viscosity measuring device for asphalt material production, comprising a constant temperature bin and a rotor, wherein the rotor is located inside the constant temperature bin, a rotational viscometer body is arranged above the constant temperature bin, a through hole is arranged on the top of the constant temperature bin, a heating tube is arranged on the inner wall of the constant temperature bin, a motor is arranged on one side of the constant temperature bin, and a bin door is arranged on the other side of the constant temperature bin, a telescopic rod extends upward from the inside of the motor, the upper end of the telescopic rod is connected to the rotational viscometer body, an insulation board is arranged on the side of the bin door, a sample dish and a mounting plate are arranged inside the constant temperature bin, and the sample dish is located in the middle of the mounting plate.

[0007] Preferably, a transmission column is arranged above the rotor, a rotating column is arranged above the transmission column, the upper end of the transmission column is connected to the rotating column, the lower end of the transmission column is connected to the rotor, and the upper end of the rotating column is connected to the rotational viscometer body.

[0008] Preferably, tracks are provided on both sides of the mounting plate, grilles are provided on the sides of the mounting plate, a limiting step is provided in the middle of the mounting plate, and a baffle is provided at one end of the track.

[0009] Preferably, a block is provided on the outside of the transmission column, a second protrusion is provided on the upper side of the block, a thread is provided on the lower side of the block, the block is sleeved on the transmission column, and the block is located inside the through hole.

[0010] Preferably, a fixing ring is provided at the upper end of the sample holding dish, a first protrusion is provided below the fixing ring, a groove is provided inside the limiting step, and the first protrusion is stuck inside the groove.

[0011] Preferably, a slot is provided above the blocking block, and a notch is provided below the slot.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model provides a heating tube inside the constant temperature chamber, which releases heat to continuously increase the temperature inside the constant temperature chamber. The sample dish and the rotor are simultaneously provided inside the constant temperature chamber, the upper end of the rotor is connected to the transmission column, and the transmission column is connected to the rotational viscometer body. When the sample dish and the rotor are heated to the set temperature, the rotor enters the sample dish, and the rotational viscometer body measures the viscosity of the asphalt sample inside the sample dish by rotating the rotor, thereby stabilizing the temperature of the rotor and the asphalt sample and improving the accuracy and reliability of the measurement result.

[0014] 2. The utility model provides a through hole on the top of the constant temperature chamber. After the rotor is installed on the rotational viscometer body, it enters the interior of the constant temperature chamber from the through hole. A blocking block is provided above the rotor, and a heat insulating block is provided inside the blocking block. The outer side of the blocking block is threadedly connected to the through hole, so that the blocking block can be firmly fixed inside the through hole, reducing the loss of heat inside the constant temperature chamber, thereby reducing the energy consumption required for heating, and thus saving energy costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall front view of the utility model;

[0016] Figure 2 This is a cross-sectional view of the constant temperature chamber of the utility model;

[0017] Figure 3 It is a schematic diagram of the partial structure of the rotor of the utility model;

[0018] Figure 4 It is a schematic diagram of the local structure of the mounting plate of the utility model.

[0019] In the figure: 1. constant temperature chamber; 101. heating tube; 102. through hole; 2. rotational viscometer body; 201. slot; 2011. notch; 3. rotor; 301. transmission column; 302. rotating column; 4. sample dish; 401. fixing ring; 402. first protrusion; 5. mounting plate; 501. track; 5011. baffle; 502. limiting step; 503. grille; 6. telescopic rod; 601. motor; 7. chamber door; 701. heat insulation board; 8. blocking block; 801. second protrusion; 802. thread. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In order to solve the problem that the asphalt sample needs to be heated before measuring the viscosity, and the temperature of the asphalt sample is unstable when it is placed in the measuring cylinder after heating, which is easy to cause measurement errors, please refer to Figure 1-4The utility model provides an embodiment: a viscosity measuring device for asphalt material production, including a constant temperature bin 1 and a rotor 3, the rotor 3 is located inside the constant temperature bin 1, a rotational viscometer body 2 is arranged above the constant temperature bin 1, a through hole 102 is arranged on the top of the constant temperature bin 1, a heating pipe 101 is arranged on the inner wall of the constant temperature bin 1, a motor 601 is arranged on one side of the constant temperature bin 1, a bin door 7 is arranged on the other side of the constant temperature bin 1, a telescopic rod 6 extends upward from the inside of the motor 601, the upper end of the telescopic rod 6 is connected to the rotational viscometer body 2, an insulation board 701 is arranged on the side of the bin door 7, a sample dish 4 and a mounting plate 5 are arranged inside the constant temperature bin 1, and the sample dish 4 is located in the middle of the mounting plate 5.

[0022] An asphalt sample is set inside the sample dish 4. The sample dish 4 and the rotor 3 are simultaneously located inside the constant temperature chamber 1. The rotor 3 is connected to the rotational viscometer body 2 through the rotating column 301. The heating tube 101 releases heat to continuously increase the temperature inside the constant temperature chamber 1. When the sample dish 4 and the rotor 3 are heated to the set temperature, the rotor 3 enters the sample dish 4, and the rotational viscometer body 2 measures the viscosity of the asphalt sample inside the sample dish 4 by rotating the rotor 3, thereby avoiding the need for manual secondary transfer of the heated asphalt sample, which causes the temperature of the asphalt sample to be uncontrolled, stabilizes the temperature of the rotor 3 and the asphalt sample, and further improves the accuracy and reliability of the measurement results.

[0023] A transmission column 301 is arranged above the rotor 3, a rotating column 302 is arranged above the transmission column 301, the upper end of the transmission column 301 is connected to the rotating column 302, the lower end of the transmission column 301 is connected to the rotor 3, the upper end of the rotating column 302 is connected to the rotational viscometer body 2, a block 8 is arranged outside the transmission column 301, a second protrusion 801 is arranged on the upper side of the block 8, a thread 802 is arranged on the lower side of the block 8, the block 8 is sleeved on the transmission column 301, the block 8 is located inside the through hole 102, a slot 201 is arranged above the block 8, and a notch 2011 is arranged below the slot 201.

[0024] An insulating block is arranged inside the blocking block 8, and the outer side surface of the blocking block 8 is connected to the through hole 102 via a thread 802, so that the blocking block 8 can be firmly fixed inside the through hole 102, reducing the heat loss inside the constant temperature chamber 1, thereby reducing the energy consumption required for heating and further saving energy costs.

[0025] Tracks 501 are provided on both sides of the mounting plate 5, grilles 503 are provided on the sides of the mounting plate 5, a limiting step 502 is provided in the middle of the mounting plate 5, a baffle 5011 is provided at one end of the track 501, a fixing ring 401 is provided at the upper end of the sample dish 4, a first protrusion 402 is provided under the fixing ring 401, a groove is provided inside the limiting step 502, and the first protrusion 402 is stuck inside the groove.

[0026] The sample dish 4 is placed in the middle of the mounting plate 5. The first protrusion 402 and the limiting step 502 fix the position of the sample dish 4. The mounting plate 5 is then moved along the track 501 into the interior of the constant temperature chamber 1. The baffle 5011 limits the position of the mounting plate 5 inside the constant temperature chamber 1, so that the staff can quickly place the sample dish 4 in the correct position, avoiding the need to manually adjust the position of the sample dish 4, and further improving work efficiency.

[0027] Working principle: open the door 7, put the asphalt sample into the sample dish 4, the sample dish 4 is installed on the mounting plate 5, the mounting plate 5 enters the constant temperature chamber 1 along the track 501, close the door 7, and then turn on the heating tube 101, the heating tube 101 releases heat, and continuously increases the temperature inside the constant temperature chamber 1. When the sample dish 4 and the rotor 3 are heated to the set temperature, the motor 601 controls the telescopic rod 6, and then drives the rotational viscometer body 2 to descend, so that the rotor 3 enters the sample dish 4, and the rotational viscometer body 2 then measures the viscosity of the asphalt sample inside the sample dish 4 by rotating the rotor 3.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A viscosity measuring device for asphalt material production, comprising a constant temperature chamber (1), characterized in that: The invention also comprises a rotor (3), wherein the rotor (3) is located inside a constant temperature chamber (1), a rotational viscometer body (2) is arranged above the constant temperature chamber (1), a through hole (102) is arranged on the top of the constant temperature chamber (1), a heating tube (101) is arranged on the inner wall of the constant temperature chamber (1), a motor (601) is arranged on one side of the constant temperature chamber (1), and a chamber door (7) is arranged on the other side of the constant temperature chamber (1), a telescopic rod (6) extends upward from the inside of the motor (601), the upper end of the telescopic rod (6) is connected to the rotational viscometer body (2), a heat insulation board (701) is arranged on the side of the chamber door (7), and a sample dish (4) and a mounting plate (5) are arranged inside the constant temperature chamber (1), and the sample dish (4) is located in the middle of the mounting plate (5).

2. A viscosity measuring device for asphalt material production according to claim 1, characterized in that: A transmission column (301) is arranged above the rotor (3), a rotating column (302) is arranged above the transmission column (301), the upper end of the transmission column (301) is connected to the rotating column (302), the lower end of the transmission column (301) is connected to the rotor (3), and the upper end of the rotating column (302) is connected to the rotational viscometer body (2).

3. A viscosity measuring device for asphalt material production according to claim 1, characterized in that: Tracks (501) are provided on both sides of the mounting plate (5), grilles (503) are provided on the sides of the mounting plate (5), a limiting step (502) is provided in the middle of the mounting plate (5), and a baffle (5011) is provided at one end of the track (501).

4. A viscosity measuring device for asphalt material production according to claim 2, characterized in that: A blocking block (8) is arranged outside the transmission column (301), a second protrusion (801) is arranged on the upper side of the blocking block (8), a thread (802) is arranged on the lower side of the blocking block (8), the blocking block (8) is sleeved on the transmission column (301), and the blocking block (8) is located inside the through hole (102).

5. The viscosity measuring device for asphalt material production according to claim 3, characterized in that: The upper end of the sample dish (4) is provided with a fixing ring (401), the lower side of the fixing ring (401) is provided with a first protrusion (402), the interior of the limiting step (502) is provided with a groove, and the first protrusion (402) is stuck in the interior of the groove.

6. A viscosity measuring device for asphalt material production according to claim 4, characterized in that: A slot (201) is provided above the blocking block (8), and a notch (2011) is provided below the slot (201).

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