Asphalt mixture heating box
By introducing moving parts and heating parts into the heating box, the problem of difficult cleaning of the stirring shaft and stirring rod is solved, the stirring shaft and blades can be easily cleaned and the heating efficiency is improved, thereby improving the practicality of the heating box.
Patent Information
- Application Number
- CN202422861571.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-22
AI Technical Summary
During use, asphalt in existing asphalt mixture heating boxes is easily contaminated onto the outside of the stirring shaft and the stirring rod, making cleaning difficult and having poor practicality.
A heating box including a base, a box body, a cover and moving parts is designed. The screw is controlled by a first motor to rotate, driving the moving plate and the cover to move vertically, thereby realizing convenient cleaning of the stirring shaft and blades, and improving the heating efficiency through heating parts and auxiliary parts.
The stirring shaft and blades can be cleaned conveniently, the cleaning efficiency and heating efficiency are improved, and the practicality of the heating box is enhanced.
Smart Images

Figure CN223404832U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of asphalt mixture heating, in particular to an asphalt mixture heating box. Background Art
[0002] Asphalt is a complex organic mixture, mainly composed of hydrocarbons and their non-metallic derivatives. It is dark brown in color and can be dissolved in carbon disulfide and carbon tetrachloride. Asphalt is divided into three main types: coal tar asphalt, petroleum asphalt and natural asphalt. Coal tar asphalt is a by-product of coking, petroleum asphalt is the residue after crude oil distillation, and natural asphalt is stored underground to form mineral layers or accumulate on the surface of the earth's crust. When the asphalt mixture is used, it needs to be heated in a heating box.
[0003] The existing patent CN220940262U discloses an asphalt mixture heating box, which includes a box body and a mixing box. The top of the box body is provided with a heating groove, the side wall of the box body is provided with a refueling pipe, the side wall of the inner cavity of the box body is provided with a heating pipe, and the mixing box is embedded in the heating groove. The top of the mixing box is provided with a box cover, and the top of the box cover is provided with a feed hopper and a stirring motor. In this application document, during the asphalt mixing heating process, it is convenient to heat the inside and outside of the mixing box, so that the asphalt mixture is heated inside and outside at the same time, the heating speed is fast, the heating effect of the asphalt mixture is increased, the heating mixing quality of the asphalt is improved, and the subsequent use effect is beneficial.
[0004] Based on the search of the above patents and in combination with the heating boxes in the prior art, it was found that although the above heating box can heat the asphalt mixture and stir it when in use, the asphalt is easily contaminated on the outside of the stirring shaft and the stirring rod. The stirring shaft and the stirring rod are located in the heating box and are not easy to clean, resulting in poor practicality. Utility Model Content
[0005] The purpose of the present utility model is to provide an asphalt mixture heating box to solve the problem that the existing heating box proposed in the above background technology can heat the asphalt mixture and stir it when in use, but asphalt is easily contaminated on the outside of the stirring shaft and the stirring rod. The stirring shaft and the stirring rod are located in the heating box and are not easy to clean, resulting in poor practicality.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an asphalt mixture heating box, comprising a base and a box body, a cover plate provided on the top of the box body, a moving part provided between the cover plate and the box body, and a heating part provided on the box body;
[0007] The moving component includes a first fixed ring fixedly connected to the outer side of the upper part of the box body, a second fixed ring fixedly connected to the outer side of the lower part of the box body, a first motor fixedly connected to both sides of the bottom of the second fixed ring respectively, a screw fixedly connected to the top of the first motor, a moving plate connected to the outer side of the screw, a connecting frame fixedly connected to one side of the moving plate, and a scraping component for preventing asphalt residue. The screw is threadedly connected to the moving plate, and the screw is rotatably connected to the second fixed ring.
[0008] Preferably, the heating component includes a heating chamber opened in the box body, an electric heating wire fixedly connected to the bottom of the heating chamber, a slave gear fixedly connected to the outside of the box body, a main gear connected to one side of the slave gear, a drive shaft fixedly connected to the main gear, a second motor fixedly connected to the top of the drive shaft, a rotating shaft fixedly connected to the bottom of the box body, and an auxiliary component for improving the heating effect, the main gear is meshed with the slave gear, and the drive shaft and the rotating shaft are both rotatably connected to the base.
[0009] Preferably, the scraping component includes connecting rods fixedly connected to both sides of the bottom of the cover plate and scraping plates fixedly connected to the connecting rods, and the scraping plates are in contact with the inner wall of the box.
[0010] Preferably, the auxiliary component includes a third motor fixedly connected to the top of the cover plate, a stirring shaft fixedly connected to the output end of the third motor, and a blade fixedly connected to the outer side of the stirring shaft, and the stirring shaft is rotatably connected to the cover plate.
[0011] Preferably, a liquid inlet pipe is fixedly connected to one side of the upper portion of the heating chamber, a liquid discharge pipe is fixedly connected to one side of the lower portion of the heating chamber, and a control valve is installed on the outer side of the liquid discharge pipe.
[0012] Preferably, support grooves are respectively provided on both sides of the box body, support blocks are slidably connected in the support grooves, and the support blocks are fixedly connected to the movable plate.
[0013] Preferably, a guide groove is provided on the top of the base, and guide blocks are slidably connected to the four sides of the guide groove, and a vertical rod is fixedly connected between the guide block and the box body.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. By setting up the base, box, cover plate and moving parts, the first motor can control the rotation of the screw, and the screw can control the moving plate to drive the cover plate to move vertically, thereby removing the stirring shaft and blades from the box, making it easier to clean the stirring shaft and blades, avoiding asphalt mixture residue and improving cleaning efficiency. After cleaning, the stirring shaft and blades can be moved back into the box, making it easier to mix and heat the asphalt mixture, thereby greatly improving practicality;
[0016] 2. By providing a heating component, hot oil can be poured into the heating chamber, the electric heating wire can heat the hot oil, and the hot oil can heat the asphalt mixture. The second motor can make the main gear drive the slave gear to rotate, and then drive the box to rotate, and stir the asphalt so that the asphalt is fully in contact with the inner wall of the box, which can improve the heating efficiency and further improve the practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;
[0018] Figure 2 A left side view provided for the present utility model;
[0019] Figure 3 The utility model provides Figure 2 A three-dimensional cross-section at AA in the middle;
[0020] Figure 4 The utility model provides Figure 3 Enlarged view of point B in the middle.
[0021] In the figure: 1. base; 11. box body; 12. cover plate; 21. first fixing ring; 22. second fixing ring; 23. first motor; 24. screw; 25. movable plate; 26. connecting frame; 31. heating chamber; 32. heating wire; 33. slave gear; 34. main gear; 35. drive shaft; 36. second motor; 37. rotating shaft; 41. connecting rod; 42. scraper plate; 51. third motor; 52. stirring shaft; 53. blade; 61. liquid inlet pipe; 62. liquid discharge pipe; 63. control valve; 71. support groove; 72. support block; 81. guide groove; 82. guide block; 83. vertical rod. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] See also Figure 1 、 Figure 2 、 Figure 3 as well as Figure 4The utility model provides a technical solution: an asphalt mixture heating box, comprising a base 1 and a box body 11, a cover plate 12 is provided on the top of the box body 11, a moving part is provided between the cover plate 12 and the box body 11, and a heating part is provided on the box body 11. The moving part includes a first fixing ring 21 fixedly connected to the outer side of the upper part of the box body 11, a second fixing ring 22 fixedly connected to the outer side of the lower part of the box body 11, a first motor 23 fixedly connected to both sides of the bottom of the second fixing ring 22, a screw 24 fixedly connected to the top of the first motor 23, a moving plate 25 connected to the outer side of the screw 24, a connecting frame 26 fixedly connected to one side of the moving plate 25, and a scraping part for preventing asphalt residue. The screw 24 is screwed to the moving plate 25, and the screw 24 is rotatably connected to the second fixing ring 22. When the first motor 23 is started, the screw 24 can be controlled to rotate, and then the moving plate 25 can drive the connecting frame 26 and the cover plate 12 to move vertically, so as to realize the vertical movement of the asphalt mixture heating box. The scraping plate 42 is fixedly connected to the bottom of the cover plate 12 and the scraping plate 42 is fixedly connected to the connecting rod 41. The scraping plate 42 contacts the inner wall of the box 11. The vertical movement of the cover plate 12 can drive the connecting rod 41 to move vertically, and then drive the scraping plate 42 to move vertically, so that the asphalt remaining on the inner wall of the box 11 can be scraped to the top of the box 11, which is convenient for cleaning the residual asphalt and can prevent asphalt residue. Support grooves 71 are respectively provided on both sides of the box 11, and support blocks 72 are slidably connected in the support grooves 71. The support blocks 72 are fixedly connected to the movable plate 25. The vertical movement of the movable plate 25 can drive the support blocks 72 to move synchronously. The support blocks 72 can be used to limit the movement of the movable plate 25 to prevent the movable plate 25 from rotating synchronously with the screw 24.
[0024] See also Figure 1 、 Figure 2 、 Figure 3 as well as Figure 4The heating component includes a heating chamber 31 opened in the box body 11, an electric heating wire 32 fixedly connected to the bottom of the heating chamber 31, a slave gear 33 fixedly connected to the outside of the box body 11, a main gear 34 connected to one side of the slave gear 33, a driving shaft 35 fixedly connected to the main gear 34, a second motor 36 fixedly connected to the top of the driving shaft 35, a rotating shaft 37 fixedly connected to the bottom of the box body 11, and an auxiliary component for improving the heating effect. The main gear 34 is engaged with the slave gear 33, and the driving shaft 35 and the rotating shaft 37 are both rotatably connected to the base 1 Then, the second motor 36 can drive the main gear 34 to rotate, and the main gear 34 can drive the slave gear 33 to rotate, thereby driving the housing 11 to rotate. Hot oil can be added to the heating chamber 31, and the hot oil can be heated by the heating wire 32, thereby heating the asphalt. As the housing 11 rotates, the asphalt can be stirred, thereby improving the heating efficiency of the asphalt. The auxiliary components include a third motor 51 fixedly connected to the top of the cover plate 12, a stirring shaft 52 fixedly connected to the output end of the third motor 51, and a stirring shaft 52 fixedly connected to the stirring shaft 52. The blade 53 is fixedly connected to the outside, and the stirring shaft 52 is rotatably connected to the cover plate 12. The third motor 51 can drive the stirring shaft 52 to rotate, and then drive the blade 53 to rotate, so that the rotation direction of the blade 53 is opposite to the rotation direction of the box 11, thereby improving the stirring effect of the asphalt, and further improving the heating efficiency. The upper side of the heating chamber 31 is fixedly connected to the liquid inlet pipe 61, and the lower side of the heating chamber 31 is fixedly connected to the liquid discharge pipe 62. A control valve 63 is installed on the outside of the liquid discharge pipe 62. The liquid inlet pipe 61 can facilitate the heating of the heating chamber. Hot oil is added to 31, and the drain pipe 62 can facilitate the discharge of the oil in the heating chamber 31. The control valve 63 can control the opening and closing of the drain pipe 62. A guide groove 81 is provided on the top of the base 1, and guide blocks 82 are slidably connected on all four sides of the guide groove 81. A vertical rod 83 is fixedly connected between the guide block 82 and the box body 11. The rotation of the box body 11 can drive the vertical rod 83 and the guide block 82 to rotate synchronously. The vertical rod 83 and the guide block 82 can be used to support and guide the rotation of the box body 11, thereby improving the rotation stability of the box body 11 and preventing the box body 11 from swinging and tilting.
[0025] Working principle: During operation, asphalt mixture is added into the box body 11, and then hot oil is added into the heating chamber 31 through the liquid inlet pipe 61. The electric heating wire 32 is energized to continuously heat the hot oil, and the hot oil can continuously heat the asphalt mixture. The second motor 36 and the third motor 51 are started, and the second motor 36 and the third motor 51 rotate in opposite directions. The second motor 36 can drive the drive shaft 35 to rotate, and then drive the main gear 34 to rotate. The main gear 34 can drive the slave gear 33 to rotate, and the rotation of the slave gear 33 can drive the box body 11 to rotate. The third motor 51 can drive the stirring shaft 52 to rotate, and the rotation of the stirring shaft 52 can drive the blade 53 to rotate, and then the asphalt mixture can be fully stirred, so that it can quickly contact the inner wall of the box body 11 for heating, which can improve the heating efficiency. When the asphalt needs to be cleaned, the asphalt is drained from the box body 11, and then the first motor 23 is started. The first motor 23 can control the rotation of the screw 24. The rotation of the screw 24 can control the movable plate 25 to move upward, thereby driving the connecting frame 26 to move upward, thereby driving the cover plate 12 to move upward, thereby driving the stirring shaft 52 and the blades 53 to move out of the box body 11, which can facilitate the cleaning of the residual asphalt on the stirring shaft 52 and the blades 53. At the same time, when the cover plate 12 moves upward, it can also drive the connecting rod 41 and the scraper plate 42 to move upward. The scraper plate 42 can scrape the residual asphalt on the inner wall of the box body 11 to the top of the box body 11, which can further prevent asphalt residue. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An asphalt mixture heating box, comprising a base (1) and a box body (11), characterized in that: A cover plate (12) is provided on the top of the box body (11), a moving component is provided between the cover plate (12) and the box body (11), and a heating component is provided on the box body (11); The movable component comprises a first fixed ring (21) fixedly connected to the outer side of the upper part of the box body (11), a second fixed ring (22) fixedly connected to the outer side of the lower part of the box body (11), a first motor (23) fixedly connected to both sides of the bottom of the second fixed ring (22), a screw (24) fixedly connected to the top of the first motor (23), a movable plate (25) connected to the outer side of the screw (24), a connecting frame (26) fixedly connected to one side of the movable plate (25), and a scraping component for preventing asphalt residue, wherein the screw (24) is screwed to the movable plate (25), and the screw (24) is rotatably connected to the second fixed ring (22).
2. The asphalt mixture heating box according to claim 1, characterized in that: The heating component comprises a heating chamber (31) opened in the box (11), an electric heating wire (32) fixedly connected to the bottom of the heating chamber (31), a slave gear (33) fixedly connected to the outside of the box (11), a main gear (34) connected to one side of the slave gear (33), a driving shaft (35) fixedly connected to the main gear (34), a second motor (36) fixedly connected to the top of the driving shaft (35), a rotating shaft (37) fixedly connected to the bottom of the box (11), and an auxiliary component for improving the heating effect. The main gear (34) is meshed with the slave gear (33), and the driving shaft (35) and the rotating shaft (37) are both rotatably connected to the base (1).
3. The asphalt mixture heating box according to claim 1, characterized in that: The scraping component comprises connecting rods (41) respectively fixedly connected to both sides of the bottom of the cover plate (12) and scraping plates (42) fixedly connected to the connecting rods (41), and the scraping plates (42) are in contact with the inner wall of the box body (11).
4. The asphalt mixture heating box according to claim 2, characterized in that: The auxiliary component comprises a third motor (51) fixedly connected to the top of the cover plate (12), a stirring shaft (52) fixedly connected to the output end of the third motor (51), and a blade (53) fixedly connected to the outside of the stirring shaft (52); the stirring shaft (52) is rotatably connected to the cover plate (12).
5. The asphalt mixture heating box according to claim 2, characterized in that: A liquid inlet pipe (61) is fixedly connected to one side of the upper portion of the heating chamber (31), a liquid discharge pipe (62) is fixedly connected to one side of the lower portion of the heating chamber (31), and a control valve (63) is installed on the outside of the liquid discharge pipe (62).
6. The asphalt mixture heating box according to claim 1, characterized in that: Support grooves (71) are respectively provided on both sides of the box body (11), support blocks (72) are slidably connected in the support grooves (71), and the support blocks (72) are fixedly connected to the movable plate (25).
7. The asphalt mixture heating box according to claim 1, characterized in that: A guide groove (81) is provided on the top of the base (1), and guide blocks (82) are slidably connected to the four sides of the guide groove (81), and a vertical rod (83) is fixedly connected between the guide block (82) and the box body (11).