Pull type asphalt mixture heat preservation box

By designing a heat-conducting oil jacket and a thermal insulation layer, combined with a low-voltage heating device, the problems of high noise and uneven heat distribution in existing asphalt mixture insulation boxes have been solved, achieving uniform heating and long-term heat preservation, ensuring the softening state of asphalt mixtures during transportation.

CN223561982UActive Publication Date: 2025-11-18ZHONGSHAN ANCHANG MASCH TECH CO LTD
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Patent Information

Application Number
CN202423039141.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-18
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

Existing asphalt mixture insulation boxes are noisy, prone to generating smoke and dust, have uneven heat distribution, and poor insulation performance.

Method used

The design employs a heat transfer oil jacket and a thermal insulation layer. The heat transfer oil jacket is set on the side and bottom outer wall of the material cavity, and heat is evenly transferred through the heat transfer oil. The thermal insulation layer wraps around the material cavity. Combined with a 24V low-voltage diesel burner to heat the heat transfer oil, direct heating of the material is avoided. A filter pipe is installed to purify the exhaust gas, and a low-voltage heating device is used to reduce noise and energy consumption.

Benefits of technology

It achieves a low-noise, energy-saving and environmentally friendly heating process, with uniform heat distribution, extended heat preservation time, and avoids material scorching and smoke generation, ensuring that the asphalt mixture remains in a softened state during transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

According to the technical scheme, the pull type asphalt mixture heat preservation box is characterized in that the pull type asphalt mixture heat preservation box comprises a frame, wheels and a traction connecting assembly, a box body assembly and a hydraulic tipping device are arranged on the frame, an electric control box is arranged on one side of the box body assembly, and the box body assembly comprises a heat preservation and insulation layer. A material cavity is formed in the heat preservation and insulation layer, heat conduction oil interlayers used for balancing the temperature of different parts of the material cavity are arranged on the outer wall of the side face and the outer wall of the bottom face of the material cavity, a material conveying opening used for feeding or discharging is formed in the rear end of the material cavity, and a heating device used for heating the heat conduction oil interlayers is arranged on the side wall of the heat preservation and insulation layer. An oil tank and a power storage battery box are arranged in the frame; the device is low in noise, free of smoke dust, energy-saving and environment-friendly, accurate temperature control can be achieved, asphalt mixtures at different positions in the material cavity can be heated in a balanced mode, and the heat preservation time can be effectively prolonged and the heat preservation effect can be enhanced by combining the heat conduction oil interlayer with the heat preservation and insulation layer on the outer side.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of asphalt mixture heat preservation, particularly relates to a trailer type asphalt mixture heat preservation box. BACKGROUND

[0002] Asphalt mixture is a mixture of stone aggregate and asphalt binder, which is used for paving and repairing roads. When repairing and maintaining the road surface, the damaged road surface is first repaired, and then a layer of hot asphalt mixture is paved to smooth the repaired surface. In actual application, in order to quickly repair the damaged road surface, the asphalt mixture needs to be heated and insulated during transportation to ensure that the asphalt mixture is in a softened state in the heat preservation box, so that the construction personnel can take the material for construction at any time.

[0003] The existing asphalt mixture heat preservation box structure, the heating port of the burner is mostly arranged in the material cavity, the material is directly heated by the high-power burner, which is noisy and easy to produce smoke, at the same time, the existing heat preservation box structure mostly passes through air layer or heat pipe heat conduction, heat flow and loss is fast, needs long time to maintain the opening of the burner, fuel consumption is large and temperature maintenance time is short, heat preservation effect is poor, and the heat distribution in the existing heat preservation box structure is uneven, the temperature on one side near the burner is obviously higher than that on the other side, so that the material in the heat preservation box is unevenly heated, and it is difficult to ensure that the asphalt mixture at different positions is maintained in a softened state. UTILITY MODEL CONTENTS

[0004] In order to eliminate the defects of the existing heat preservation box structure, such as large noise and easy to produce smoke, and solve the problems of poor heat preservation effect and uneven heat distribution in the existing heat preservation box structure, the utility model provides a trailer type asphalt mixture heat preservation box.

[0005] In order to solve the above problems, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of towed asphalt mixture heat preservation box, it is characterized by including vehicle frame, wheel and traction connection component, box body assembly and the hydraulic tipping device for lifting the box body assembly to facilitate unloading are equipped on the vehicle frame, electric control box is equipped on the side of the box body assembly, the box body assembly includes the heat insulation layer for filling heat insulation material, material cavity for containing asphalt mixture is equipped in the inside of the heat insulation layer, heat oil sandwich for balancing the temperature of different parts of the material cavity is equipped on the outer wall of the side and bottom of the material cavity, feeding port for feeding or unloading is equipped in the rear end of the material cavity, heating device for heating the heat oil sandwich is equipped on the side wall of the heat insulation layer, oil tank for providing fuel for the heating device is equipped in the vehicle frame, power battery box for power supply is equipped on the side of the oil tank.

[0007] The utility model provides a kind of towed asphalt mixture heat preservation box as described above, it is characterized by being equipped with liquid inlet pipe for filling heat oil in the upper end of the heat oil sandwich, being equipped with liquid outlet pipe for discharging heat oil in the bottom end of the heat oil sandwich, first liquid exchange pipe and second liquid exchange pipe for making heat oil circulate are respectively equipped on the both sides of one end of the heat oil sandwich.

[0008] The utility model provides a kind of towed asphalt mixture heat preservation box as described above, it is characterized by including the side plate for wrapping around the material cavity, the upper cover of the side plate can be turned open and close, the bottom disc for connecting the hydraulic tipping device is equipped in the bottom end of the side plate.

[0009] The utility model provides a kind of towed asphalt mixture heat preservation box as described above, it is characterized by being equipped with feeding door assembly for opening and closing the feeding port outside the feeding port, the feeding door assembly includes mounting frame, connecting port for communicating the feeding port is equipped on the mounting frame, door plate is equipped on the mounting frame and above the connecting port and can be lifted, rotating connecting rod is equipped on the mounting frame and at the side of the door plate, connecting sheet is rotatably equipped on the both ends of the door plate and is linked with the rotating connecting rod, operating rod is equipped on the one end of the rotating connecting rod for manually operating the door plate lifting and synchronous rotation with the rotating connecting rod, telescopic support rod is rotatably connected with the operating rod on the side of the mounting frame.

[0010] The utility model provides a kind of towed asphalt mixture heat preservation box as described above, it is characterized by being equipped with warning light box on the outer wall of the heat insulation layer and at the side of the feeding door assembly, indicator light is equipped above the feeding door assembly.

[0011] The trailer type asphalt mixture heat preservation box has the characteristics that a filter pipeline for adsorbing and purifying material waste gas is arranged at the upper end of the material cavity, and a gas suction pipe for discharging the gas after adsorption and purification is arranged at one end of the filter pipeline.

[0012] The trailer type asphalt mixture heat preservation box has the characteristics that a filter pipeline for adsorbing and purifying material waste gas is arranged at the upper end of the material cavity, and a gas suction pipe for discharging the gas after adsorption and purification is arranged at one end of the filter pipeline.

[0013] The trailer type asphalt mixture heat preservation box has the characteristics that a filter pipeline for adsorbing and purifying material waste gas is arranged at the upper end of the material cavity, and a gas suction pipe for discharging the gas after adsorption and purification is arranged at one end of the filter pipeline.

[0014] The trailer type asphalt mixture heat preservation box has the characteristics that a filter pipeline for adsorbing and purifying material waste gas is arranged at the upper end of the material cavity, and a gas suction pipe for discharging the gas after adsorption and purification is arranged at one end of the filter pipeline.

[0015] The trailer type asphalt mixture heat preservation box has the characteristics that a filter pipeline for adsorbing and purifying material waste gas is arranged at the upper end of the material cavity, and a gas suction pipe for discharging the gas after adsorption and purification is arranged at one end of the filter pipeline.

[0016] Compared with the prior art, the trailer type asphalt mixture heat preservation box has the following advantages:

[0017] 1. The trailer type asphalt mixture heat preservation box has the characteristics that a filter pipeline for adsorbing and purifying material waste gas is arranged at the upper end of the material cavity, and a gas suction pipe for discharging the gas after adsorption and purification is arranged at one end of the filter pipeline.

[0018] 2. The utility model discloses a trailer type asphalt mixture heat preservation box which is provided with a heat preservation and insulation layer and a heat conduction oil interlayer, the heat conduction oil interlayer is attached to the outer wall of the side surface and the bottom surface of the material cavity, the asphalt mixture and the heat conduction oil interlayer can be heated in advance when the asphalt mixture needs to be transported, the heat conduction oil in the heat conduction oil interlayer can store and conduct heat, the opening time and the opening frequency of the burner can be reduced to reduce fuel loss during transportation, meanwhile, the heat preservation property of the heat conduction oil interlayer is relatively strong, the heat conduction oil in liquid state can balance the heat of different parts in a flowing manner, the temperature of the side close to the heating device approaches the temperature of the other side, so that the asphalt mixture in different positions in the material cavity is heated evenly, the heat conduction oil interlayer in combination with the heat preservation and insulation layer on the outside can effectively prolong the heat preservation time and enhance the heat preservation effect, so as to ensure that the asphalt mixture can maintain a softened state for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the perspective view of the heat preservation box.

[0020] Fig. 2 It is the explosion view of the heat preservation box.

[0021] Fig. 3 It is the enlarged view of the frame part.

[0022] Fig. 4 It is the first explosion view of the box assembly.

[0023] Fig. 5 It is the second explosion view of the box assembly.

[0024] Fig. 6 It is the third explosion view of the box assembly.

[0025] In the drawing: 1 is the frame; 2 is the wheel; 3 is the traction connecting assembly; 4 is the hydraulic tilting device; 5 is the electric control box; 6 is the box assembly; 7 is the chassis; 8 is the heat preservation and insulation layer; 9 is the material cavity; 10 is the heat conduction oil interlayer; 11 is the material conveying port; 12 is the heating device; 13 is the oil tank; 14 is the power storage battery box; 15 is the liquid inlet pipe; 16 is the liquid outlet pipe; 17 is the first liquid exchange pipe; 18 is the second liquid exchange pipe; 19 is the side plate; 20 is the upper cover; 21 is the material conveying door assembly; 22 is the mounting frame; 23 is the connecting port; 24 is the door plate; 25 is the rotary connecting rod; 26 is the connecting piece; 27 is the operating rod; 28 is the telescopic supporting rod; 29 is the warning light box; 30 is the indicating lamp; 31 is the filtering pipeline; 32 is the air suction pipe; 33 is the material storage tank; 34 is the liquid pumping pump; 35 is the pipeline disc; 36 is the lifting placing frame; 37 is the construction warning light board. DETAILED DESCRIPTION

[0026] The technical features of the utility model will be further explained in detail in combination with the drawings so that the skilled in the art can understand.

[0027] A trailer-mounted insulated asphalt mixture box, such as Figs. 1-6 As shown, the vehicle includes a frame 1, wheels 2, and a traction connection assembly 3. A box assembly 6 and a hydraulic tilting device 4 for lifting the box assembly 6 to facilitate unloading are mounted on the frame 1. The hydraulic tilting device 4 can lift the box assembly 6, tilting the material inlet 11 downwards for easy unloading and allowing the asphalt mixture to be poured out in one go, facilitating construction operations. An electrical control box 5 is located on one side of the box assembly 6. The box assembly 6 includes a thermal insulation layer 8 for filling with thermal insulation material. Inside the thermal insulation layer 8 is a material cavity 9 for containing the asphalt mixture. A heat-conducting oil jacket 10 is provided on the outer walls of the sides and bottom of the material cavity 9 to equalize the temperature of different parts of the material cavity 9. The heat-conducting oil in the heat-conducting oil jacket 10... The liquid heat-conducting oil has strong thermal conductivity and can store and conduct heat. It can balance the heat of different parts of the material cavity 9 by flowing, so that the temperature on the side near the heating device 12 is close to the temperature on the other side. This makes the asphalt mixture in different positions in the material cavity 9 evenly heated. The heat-conducting oil jacket 10, combined with the outer heat insulation layer 8, can effectively extend the heat preservation time and enhance the heat preservation effect. A feed port 11 for feeding or discharging is provided at the rear end of the material cavity 9. A heating device 12 for heating the heat-conducting oil jacket 10 is provided on the side wall of the heat insulation layer 8. An oil tank 13 for providing fuel to the heating device 12 is provided in the frame 1. A power battery box 14 for power supply is provided on one side of the oil tank 13.

[0028] Specifically, an inlet pipe 15 for injecting heat transfer oil is provided at the upper end of the heat transfer oil jacket 10, and a drain pipe 16 for discharging heat transfer oil is provided at the bottom end of the heat transfer oil jacket 10. A first exchange pipe 17 and a second exchange pipe 18 for circulating heat transfer oil are respectively provided on both sides of one end of the heat transfer oil jacket 10. The plate of the heat transfer oil jacket 10 and the plate of the material cavity 9 are hollow and sealed together. Heat transfer oil is injected into the hollow position from the inlet pipe 15 to form the heat transfer oil jacket 10, and the heat transfer oil can be discharged from the drain pipe 16. Liquid pipe 16 is discharged to facilitate the maintenance of the housing assembly 6. The first liquid exchange pipe 17 and the second liquid exchange pipe 18 are interconnected by a liquid pump, which can circulate and exchange the heat transfer oil on the side closer to the heating device 12 with the heat transfer oil on the side farther away from the heating device 12. This allows the heat generated by the heating device 12 to be quickly and evenly distributed to various positions of the heat transfer oil jacket 10, thereby balancing the temperature at different positions inside the material cavity 9 and evenly heating and insulating the asphalt mixture at different positions.

[0029] In addition, the heat insulation layer 8 comprises a side plate 19 for wrapping around the material cavity 9, an upper cover 20 is arranged at the upper end of the side plate 19 and can be opened and closed, a bottom plate 7 is arranged at the bottom end of the side plate 19 and is connected to the hydraulic tilting device 4, and the upper cover 20 can be opened after the construction is completed so as to facilitate the cleaning of the residues in the material cavity 9.

[0030] Specifically, a feeding door assembly 21 for opening and closing the feeding port 11 is arranged outside the feeding port 11, the feeding door assembly 21 comprises a mounting frame 22, a connecting port 23 for communicating with the feeding port 11 is arranged on the mounting frame 22, a door plate 24 is arranged on the mounting frame 22 and can be lifted and lowered above the connecting port 23, a rotating connecting rod 25 is arranged on the mounting frame 22 and located at one side of the door plate 24, connecting pieces 26 are rotatably arranged at both ends of the door plate 24 and are connected with the rotating connecting rod 25, an operating rod 27 for manually operating the door plate 24 to lift and lower and synchronously rotating with the rotating connecting rod 25 is arranged at one end of the rotating connecting rod 25, and a telescopic supporting rod 28 is rotatably connected with the operating rod 27 and arranged at one side of the mounting frame 22; when the asphalt mixture is transported and heated, the operating rod 27 can be manually rotated downward so as to make the telescopic supporting rod 28 contract, drive the rotating connecting rod 25 to rotate, and then drive the door plate 24 to lower through the connecting pieces 26, so as to close the connecting port 23 and the feeding port 11; when the construction is performed, the operating rod 27 can be manually rotated upward so as to make the telescopic supporting rod 28 extend outward, drive the rotating connecting rod 25 to rotate, and then drive the door plate 24 to rise through the connecting pieces 26, so as to open the connecting port 23 and the feeding port 11.

[0031] In addition, a warning light box 29 is arranged on the outer wall of the heat insulation layer 8 and located at one side of the feeding door assembly 21, which is used for reminding the construction personnel of the high-temperature danger and preventing scalding, and an indicating light 30 is arranged above the feeding door assembly 21, which is used for reminding the rear vehicle to detour.

[0032] Specifically, a filter pipeline 31 for adsorbing and purifying material waste gas is arranged at the inner upper end of the material cavity 9, and an air exhaust pipe 32 for exhausting the adsorbed and purified gas is arranged at one end of the filter pipeline 31; the asphalt mixture tends to emit harmful gas after being heated, the filter pipeline 31 is filled with filter cores with adsorption effect, which can adsorb and purify the harmful gas, and the air exhaust pipe 32 can be connected with an air pump to drive the gas in the material cavity 9 to gather, so that the gas flows through the filter pipeline 31, thereby exhausting the purified gas.

[0033] In addition, a storage tank 33 for storing waterproof adhesive liquid is arranged on the frame 1 and at one side of the box assembly 6, a liquid pumping pump 34 for pumping the liquid in the storage tank 33 and spraying the liquid on the road surface through a pumping hose is arranged at one side of the storage tank 33, and a pipe disc 35 for winding and storing the pumping hose is arranged at one side of the liquid pumping pump 34. When repairing the road surface, the adhesive liquid is often needed to be filled to prevent water and permeation for the road surface cracks. The heat preservation box structure carries the storage tank 33 and the liquid pumping pump 34, so that the construction personnel can conveniently handle different road surface problems in time, and the pumping hose can be wound on the pipe disc 35 after the construction is completed, so that the pumping hose is conveniently stored and managed.

[0034] Specifically, a lifting placing rack 36 for placing a road surface leveling device is rotatably arranged at one side of the front end of the frame 1, so that the construction personnel can conveniently load and unload the road surface leveling device and place the road surface leveling device at a designated repair position during the construction.

[0035] In addition, a construction warning light board 37 is arranged on the frame 1 and above the box assembly 6, so as to remind the rear vehicles to pass by from the side.

[0036] Specifically, the heating device 12 is a 24V low-voltage starting diesel burner, so that the heating device 12 can be conveniently ignited and started, and the demand for the voltage of the storage battery is reduced.

[0037] The embodiments of the utility model only describe the preferred embodiments of the utility model, and are not limited to the accurate structures shown in the above description and the drawings, and various modifications and changes can be made without departing from the protection scope; various modifications and improvements to the technical scheme of the utility model made by the engineering technicians in the field without departing from the design idea of the utility model should fall into the protection scope of the utility model.

Claims

1. A trailer-mounted asphalt mixture insulation box, characterized in that: The vehicle includes a frame (1), wheels (2), and a traction connection assembly (3). A box assembly (6) and a hydraulic tilting device (4) for lifting the box assembly (6) to facilitate unloading are provided on the frame (1). An electrical control box (5) is provided on one side of the box assembly (6). The box assembly (6) includes an insulation layer (8) for filling with thermal insulation material. Inside the insulation layer (8) is a material cavity (9) for containing asphalt mixture. The sides of the material cavity (9) and... A heat-conducting oil jacket (10) for balancing the temperature of different parts of the material cavity (9) is provided on the outer wall of the bottom surface. A feeding port (11) for feeding or discharging is provided at the rear end of the material cavity (9). A heating device (12) for heating the heat-conducting oil jacket (10) is provided on the side wall of the heat insulation layer (8). An oil tank (13) for providing fuel to the heating device (12) is provided in the frame (1). A power battery box (14) for power supply is provided on one side of the oil tank (13).

2. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: An inlet pipe (15) for injecting heat transfer oil is provided at the upper end of the heat transfer oil jacket (10), and a drain pipe (16) for discharging heat transfer oil is provided at the bottom end of the heat transfer oil jacket (10). A first exchange pipe (17) and a second exchange pipe (18) for circulating heat transfer oil are respectively provided on both sides of one end of the heat transfer oil jacket (10).

3. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: The thermal insulation layer (8) includes a side plate (19) for wrapping the material cavity (9) around, a flip-open top cover (20) is provided at the upper end of the side plate (19), and a chassis (7) for connecting the hydraulic tilting device (4) is provided at the bottom end of the side plate (19).

4. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: A material gate assembly (21) for opening and closing the material port (11) is provided on the outside of the material port (11). The material gate assembly (21) includes a mounting frame (22). A connection port (23) for connecting the material port (11) is provided on the mounting frame (22). A door panel (24) is provided on the mounting frame (22) and above the connection port (23) and can be raised and lowered. A rotating connecting rod (25) is provided on the mounting frame (22) and on one side of the door panel (24). A connecting piece (26) that is linked to the rotating connecting rod (25) is provided at both ends of the door panel (24). An operating rod (27) for manually operating the door panel (24) to be raised and lowered and rotated synchronously with the rotating connecting rod (25) is provided at one end of the rotating connecting rod (25). A telescopic support rod (28) that is rotatably connected to the operating rod (27) is provided on one side of the mounting frame (22).

5. The trailer-mounted asphalt mixture insulation box according to claim 4, characterized in that: A warning light box (29) is provided on the outer wall of the thermal insulation layer (8) and on one side of the conveying gate assembly (21), and an indicator light (30) is provided above the conveying gate assembly (21).

6. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: A filter pipe (31) for adsorbing and purifying the waste gas of the material is provided at the upper end of the material cavity (9), and an exhaust pipe (32) for discharging the adsorbed and purified gas is provided at one end of the filter pipe (31).

7. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: A storage tank (33) for storing waterproof adhesive is provided on the frame (1) and on one side of the box assembly (6). A pump (34) for drawing liquid from the storage tank (33) and spraying it onto the road surface through a pumping hose is provided on one side of the storage tank (33). A pipe tray (35) for winding and storing the pumping hose is provided on one side of the pump (34).

8. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: A lifting and placing frame (36) for placing a road leveling device is rotatably provided on one side of the front end of the vehicle frame (1).

9. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: A construction warning sign (37) is provided on the frame (1) and above the housing assembly (6).

10. The trailer-mounted asphalt mixture insulation box according to claim 1, characterized in that: The heating device (12) is a diesel burner that starts with a low voltage of 24V.