Rapid asphalt heating device
By designing a fast asphalt heating device including heating tank, sample holder, stirring sheet and thermostat, the drawbacks of heating efficiency, accuracy and energy consumption in the prior art are solved, and efficient and uniform heating of asphalt is achieved and Quick quality evaluation.
Patent Information
- Application Number
- CN202421284759.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-06-06
AI Technical Summary
In the prior art, heating equipment used for asphalt performance testing has disadvantages in terms of heating efficiency, accuracy and energy consumption. It cannot be uniformly heated, heat dissipated too quickly, and the heating temperature cannot be accurately controlled, resulting in low detection efficiency and affecting the rapid performance of asphalt. , batch quality evaluation.
A fast asphalt heating device is designed, including a fast heating device body, a heating tank, a sample cylinder, agitator, an electric heating rod, a thermostat and a contact temperature sensor. The controller controls the electric heating rod and heating plate for constant temperature heating. The temperature can be adjusted in the range of 120℃-200℃, and the temperature control accuracy is ±0.5℃. At the same time, the stirring sheet is driven and rotated through the transmission box, which realizes heating while stirring and enhances heating efficiency.
It realizes efficient and uniform heating of asphalt, improves the accuracy of heating efficiency and temperature control, reduces heat loss, enhances the rapid and batch quality evaluation ability of asphalt performance, and improves the detection efficiency.
Smart Images
Figure CN222454939U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road engineering, in particular to an asphalt rapid heating device. Background Art
[0002] Asphalt is a very important raw material in road engineering. The performance of asphalt needs to be evaluated immediately to ensure the stability of asphalt quality and the quality of road surface. Asphalt is a viscoelastic material. Viscosity and microscopic phase state have a very important influence on the performance of asphalt, and temperature has a huge impact on its performance indicators. When conducting key performance tests such as asphalt rotational viscosity and fluorescence microscopic phase state, the demand for asphalt samples is small, but the asphalt must be heated and insulated.
[0003] In the prior art, at the current pavement engineering site, before the start of many asphalt index tests, the experimenters will place the tanks containing gelled asphalt on heating equipment, heat and melt it before use, and the heating equipment is mainly electric blast drying ovens, induction cookers, electric wire furnaces, etc.
[0004] However, the above equipment has great drawbacks in terms of heating efficiency, accuracy or energy consumption for tests such as viscosity and microscopic phase state, such as failure to heat evenly, too fast heat loss, and failure to accurately control the heating temperature, resulting in low detection efficiency and seriously affecting the rapid and batch quality evaluation of asphalt performance. To this end, the utility model proposes an asphalt rapid heating device to solve the above problems. Utility Model Content
[0005] The purpose of the utility model is to provide an asphalt rapid heating device to solve the problems raised in the above background technology.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt rapid heating device, comprising:
[0007] The rapid heating device body has a base at the bottom, a heating groove is provided on the upper surface of the base, and a sample holding tube is provided in the heating groove.
[0008] A stirring piece is arranged in the sample holding cylinder, a rotating shaft is arranged in a fixed sleeve in the stirring piece, an electric heating rod is arranged on one side of the rotating shaft, and a connecting column is arranged on one side of the electric heating rod.
[0009] A lifting plate is fixedly connected to one end of the connecting column, an operation panel is installed on one side of the lifting plate, a controller is fixedly installed on one side of the operation panel, and a temperature controller is arranged on one side of the controller.
[0010] Preferably, two groups of six heating grooves are provided and are arranged symmetrically about the central plane of the base. A heating plate is fixedly installed at the bottom of the heating groove, and the heating plate abuts against the bottom of the sample tube.
[0011] Preferably, an insulation sleeve is fixedly installed on the upper side of the heating tank, the sample holding tube is arranged in the insulation sleeve and is slidably connected to the insulation sleeve, the upper surface of the sample holding tube is abutted with a tube cover, and a support seat is fixedly installed on the upper surface of the tube.
[0012] Preferably, the stirring blade is fixedly sleeved on the rotating shaft, a disc is fixedly sleeved on the rotating shaft, one end of the electric heating rod is fixedly connected to the disc, a contact temperature sensor is fixedly installed at one end of the rotating shaft, and the other end of the rotating shaft is fixedly installed in the transmission box.
[0013] Preferably, the rotating shaft is sleeved in the support seat and rotatably connected to the support seat, a support cylinder is fixedly installed on one side of the lower surface of the transmission box, a motor is installed on the other side of the lower surface of the transmission box, and the motor and the cylinder cover are fixedly connected by a fixing column.
[0014] Preferably, the transmission box and the lifting plate are fixedly connected via a connecting column, an electric telescopic rod is fixedly connected to the lower surface of the lifting plate, one end of the electric telescopic rod is fixedly connected to the base, and one side of the operating panel is fixedly connected to the base.
[0015] Preferably, a display screen is fixedly installed on the top of the operation panel, a data receiver is installed on one side of the thermostat, one side of the data receiver is fixedly connected to the operation panel, the data receiver is electrically connected to the display screen, the contact temperature sensor, the thermostat and the data receiver are electrically connected, the thermostat and the electric heating rod and the heating plate are electrically connected, and the controller and the motor and the electric telescopic rod are electrically connected.
[0016] Compared with the prior art, the beneficial effects of the utility model are:
[0017] 1. The controller controls the extension and retraction of the electric telescopic rod, so that the electric telescopic rod drives the lifting plate to rise and fall. The lifting plate drives the transmission box to move through the connecting column, and then drives the cylinder cover to rise and fall through the fixed column, so as to facilitate the opening and closing of the cylinder cover. The sample cylinder is placed in the heating tank by sliding installation. At this time, the electric telescopic rod is started to slowly lower the cylinder cover. At the same time, the heating plate and the electric heating rod are controlled by the thermostat to heat. The thermostat can heat at a constant temperature. The temperature can be adjusted in the range of 120℃-200℃ and the temperature control accuracy is ±0.5℃, which makes it convenient for operators to adjust the heating temperature for different asphalts.
[0018] 2. The motor is controlled by the controller to rotate, and the motor drives the transmission box to operate, and then the transmission box drives the shaft to rotate, and the shaft drives the stirring blade to rotate, so that the various components of the asphalt are mixed evenly, and heated while stirring. Then, through the internal and external heating method, the heat is fully applied to the outside and inside of the sample cylinder. At the same time, the insulation sleeve can prevent the heat from being lost in the air, so that the heating efficiency of the asphalt is higher.
[0019] 3. By setting up a contact temperature sensor, it is convenient to monitor the internal temperature of the sample tube. The monitoring data is received by the data receiver and then displayed on the display screen. At the same time, the display screen can also display the temperature of the heating plate, which is convenient for the operator to check and adjust, thereby facilitating the rapid and batch quality evaluation of asphalt performance and improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a bottom view schematic diagram of the internal structure of the utility model;
[0022] Figure 3 It is a side schematic diagram of the internal structure of the utility model;
[0023] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle.
[0024] In the figure: 1. Rapid heating device body; 2. Base; 3. Heating tank; 4. Sample cylinder; 5. Stirring plate; 6. Rotating shaft; 7. Electric heating rod; 8. Connecting column; 9. Lifting plate; 10. Operation panel; 11. Controller; 12. Temperature controller; 13. Heating plate; 14. Insulation sleeve; 15. Cylinder cover; 16. Support seat; 17. Disc; 18. Contact temperature sensor; 19. Transmission box; 20. Support cylinder; 21. Motor; 22. Fixed column; 23. Electric telescopic rod; 24. Display screen; 25. Data receiver. DETAILED DESCRIPTION
[0025] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.
[0026] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily by reference to examples. In the following description, many specific details are presented to provide a thorough understanding of the embodiments. However, it is apparent that, for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments may be used in combination with each other.
[0029] See also Figures 1 to 4 The utility model provides a technical solution: an asphalt rapid heating device, comprising: a rapid heating device body 1, a base 2 is arranged at the bottom of the rapid heating device body 1, a heating groove 3 is opened on the upper surface of the base 2, a sample tube 4 is arranged in the heating groove 3, the heating groove 3 is provided with two groups of six in total and are symmetrically arranged about the central plane of the base 2, a heating plate 13 is fixedly installed at the bottom of the heating groove 3, the heating plate 13 is in contact with the bottom of the sample tube 4, an insulation sleeve 14 is fixedly installed on the upper side of the heating groove 3, the sample tube 4 is sleeved in the insulation sleeve 14 and is slidably connected to the insulation sleeve 14, a tube cover 15 is in contact with the upper surface of the sample tube 4, and a support seat 16 is fixedly installed on the upper surface of the tube.
[0030] The entire device can be supported by the provided base 2, and the heating groove 3 provided on the base 2 is convenient for storing the sample tube 4. The heating plate 13 is regulated by the temperature controller 12 so that the heating plate 13 performs external heating on the sample tube 4. An insulation sleeve 14 is fixedly installed on the upper side of the heating groove 3 to insulate the outside of the sample tube 4, so that all the heat acts on the outside of the sample tube 4, thereby less heat is dissipated into the air, thereby making the heating efficiency of the asphalt higher. The installation of the support seat 16 facilitates the rotation of the rotating shaft 6.
[0031] A stirring blade 5 is provided in the sample tube 4, a rotating shaft 6 is fixedly sleeved in the stirring blade 5, an electric heating rod 7 is provided on one side of the rotating shaft 6, a connecting column 8 is provided on one side of the electric heating rod 7, the stirring blade 5 is fixedly sleeved on the rotating shaft 6, a disc 17 is fixedly sleeved on the rotating shaft 6, one end of the electric heating rod 7 is fixedly connected to the disc 17, a contact temperature sensor 18 is fixedly installed on one end of the rotating shaft 6, the other end of the rotating shaft 6 is fixedly installed in a transmission box 19, the rotating shaft 6 is sleeved in a support seat 16 and is rotatably connected to the support seat 16, a support tube 20 is fixedly installed on one side of the lower surface of the transmission box 19, a motor 21 is installed on the other side of the lower surface of the transmission box 19, and the motor 21 is fixedly connected to the tube cover 15 through a fixing column 22.
[0032] The motor 21 is controlled to rotate by the controller 11, and the motor 21 drives the belt in the transmission box 19 to mesh with the pulley for transmission, so that the pulley drives the rotating shaft 6 to rotate. A bearing seat is installed in the support cylinder 20, so that the rotating shaft 6 is more stable during rotation, and then the rotating shaft 6 drives the stirring blade 5 and the disc 17 to rotate. At the same time, the temperature of the electric heating rod 7 is regulated by the temperature controller 12, so that the electric heating rod 7 heats the inside of the sample tube 4. The heating and stirring are carried out simultaneously, so that the components of oil, asphalt, etc. that were originally layered and deposited in the solid asphalt are fully mixed, preventing the asphalt from being separated and keeping the asphalt components as they are to the greatest extent.
[0033] A lifting plate 9 is fixedly connected to one end of the connecting column 8, an operating panel 10 is installed on one side of the lifting plate 9, a controller 11 is fixedly installed on one side of the operating panel 10, a thermostat 12 is arranged on one side of the controller 11, a transmission box 19 is fixedly connected to the lifting plate 9 through the connecting column 8, an electric telescopic rod 23 is fixedly connected to the lower surface of the lifting plate 9, one end of the electric telescopic rod 23 is fixedly connected to the base 2, one side of the operating panel 10 is fixedly connected to the base 2, a display screen 24 is fixedly installed on the top of the operating panel 10, a data receiver 25 is installed on one side of the thermostat 12, one side of the data receiver 25 is fixedly connected to the operating panel 10, the data receiver 25 is electrically connected to the display screen 24, the contact temperature sensor 18, the thermostat 12 and the data receiver 25 are electrically connected, the thermostat 12 is electrically connected to the electric heating rod 7 and the heating plate 13, and the controller 11 is electrically connected to the motor 21 and the electric telescopic rod 23.
[0034] The controller 11 controls the electric telescopic rod 23 to extend and retract, so that the electric telescopic rod 23 drives the lifting plate 9 to rise and fall, and the lifting plate 9 drives the transmission box 19 to move through the connecting column 8, thereby driving the cylinder cover 15 to rise and fall through the fixed column 22, so as to facilitate the opening and closing of the cylinder cover 15, and then facilitate the rapid removal of the sample cylinder 4. One end of the rotating shaft 6 is fixedly connected to a contact temperature sensor 18, and the contact temperature sensor 18 is convenient for monitoring the temperature inside the sample cylinder 4, and then sending the monitored data to the data receiver 25. The data receiver 25 displays the processed temperature data through the display screen 24, so as to facilitate the operator to view and adjust.
[0035] During actual use, the controller 11 controls the electric telescopic rod 23 to extend and retract, so that the electric telescopic rod 23 drives the lifting plate 9 to rise and fall, and the lifting plate 9 drives the transmission box 19 to move through the connecting column 8, thereby driving the cylinder cover 15 to rise and fall through the fixed column 22, so as to facilitate the opening and closing of the cylinder cover 15, and the sample cylinder 4 is placed in the heating tank 3 by sliding installation. At this time, the electric telescopic rod 23 is started to make the cylinder cover 15 slowly descend, and at the same time, the heating plate 13 and the electric heating rod 7 are controlled by the thermostat 12 to heat. The thermostat 12 can heat at a constant temperature, and the temperature adjustable range is 120℃-200℃, and the temperature control accuracy is ±0.5℃, which makes it convenient for the operator to adjust the heating temperature for different asphalts, and control the electric telescopic rod 23 to descend until the electric heating rod 7 contacts with the gelled asphalt to gradually melt it, and the rotating shaft 6 continues to descend to break the solid asphalt. After the molten asphalt reaches a certain range, the cylinder cover 15 abuts against the upper surface of the sample cylinder 4, and the motor 21 is controlled to rotate by the controller 11. The machine 21 drives the transmission box 19 to operate, and then the transmission box 19 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the stirring plate 5 to rotate, so that the various components of the asphalt are mixed evenly, and heated while stirring, and then through the internal and external heating method, the heat is all applied to the outside and the inside of the sample tube 4. At the same time, the insulation sleeve 14 can prevent less heat from being lost in the air, so that the heating efficiency of the asphalt is higher. The simultaneous heating and stirring method allows the oil, asphalt and other components that were originally layered and deposited in the solid asphalt to be fully mixed, preventing the asphalt from being segregated, and keeping the asphalt components as they are to the greatest extent. The contact temperature sensor 18 is provided to facilitate the monitoring of the internal temperature of the sample tube 4. The monitored data is received by the data receiver 25 and then displayed on the display screen 24. At the same time, the display screen 24 can also display the temperature of the heating plate 13, which is convenient for the operator to check and adjust, thereby facilitating the rapid and batch quality evaluation of asphalt performance and improving detection efficiency.
[0036] 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 rapid asphalt heating device, characterized in that: include: A rapid heating device body (1), wherein a base (2) is arranged at the bottom of the rapid heating device body (1), a heating groove (3) is arranged on the upper surface of the base (2), and a sample holding tube (4) is arranged in the heating groove (3); A stirring piece (5) is arranged in the sample holding cylinder (4), a rotating shaft (6) is fixedly sleeved in the stirring piece (5), an electric heating rod (7) is arranged on one side of the rotating shaft (6), and a connecting column (8) is arranged on one side of the electric heating rod (7); One end of the connecting column (8) is fixedly connected to a lifting plate (9), one side of the lifting plate (9) is installed with an operating plate (10), one side of the operating plate (10) is fixedly installed with a controller (11), and one side of the controller (11) is provided with a temperature controller (12).
2. The asphalt rapid heating device according to claim 1, characterized in that: The heating grooves (3) are provided in two groups with a total of six and are arranged symmetrically about the central plane of the base (2); a heating plate (13) is fixedly mounted on the bottom of the heating groove (3), and the heating plate (13) abuts against the bottom of the sample tube (4).
3. The asphalt rapid heating device according to claim 2, characterized in that: A heat preservation sleeve (14) is fixedly mounted on the upper side of the heating tank (3); the sample holding tube (4) is sleeved in the heat preservation sleeve (14) and is slidably connected to the heat preservation sleeve (14); a tube cover (15) is abutted on the upper surface of the sample holding tube (4); and a support seat (16) is fixedly mounted on the upper surface of the tube.
4. The asphalt rapid heating device according to claim 3 is characterized in that: The stirring blade (5) is fixedly sleeved on the rotating shaft (6), a disc (17) is fixedly sleeved on the rotating shaft (6), one end of the electric heating rod (7) is fixedly connected to the disc (17), one end of the rotating shaft (6) is fixedly installed with a contact temperature sensor (18), and the other end of the rotating shaft (6) is fixedly installed in a transmission box (19).
5. The asphalt rapid heating device according to claim 4, characterized in that: The rotating shaft (6) is sleeved in the support seat (16) and is rotatably connected to the support seat (16); a support cylinder (20) is fixedly mounted on one side of the lower surface of the transmission box (19); a motor (21) is mounted on the other side of the lower surface of the transmission box (19); and the motor (21) is fixedly connected to the cylinder cover (15) via a fixing column (22).
6. The asphalt rapid heating device according to claim 5, characterized in that: The transmission box (19) and the lifting plate (9) are fixedly connected via a connecting column (8); an electric telescopic rod (23) is fixedly connected to the lower surface of the lifting plate (9); one end of the electric telescopic rod (23) is fixedly connected to the base (2); and one side of the operating panel (10) is fixedly connected to the base (2).
7. The asphalt rapid heating device according to claim 6, characterized in that: A display screen (24) is fixedly mounted on the top of the operation panel (10); a data receiver (25) is mounted on one side of the temperature controller (12); one side of the data receiver (25) is fixedly connected to the operation panel (10); the data receiver (25) is electrically connected to the display screen (24); the contact temperature sensor (18), the temperature controller (12) and the data receiver (25) are electrically connected; the temperature controller (12) is electrically connected to the electric heating rod (7) and the heating plate (13); and the controller (11) is electrically connected to the motor (21) and the electric telescopic rod (23).