Material mixing device for recycled asphalt pavement construction

Abstract

The utility model relates to the technical field of pavement construction, in particular to a material mixing device for recycled asphalt pavement construction, which comprises a mounting base, a discharging pipe, a stirring mechanism, a material control mechanism and a transmission mechanism, a mixing barrel is arranged at the top of the mounting base; the top end of the discharging pipe is communicated with the bottom end of the mixing barrel, the discharging pipe penetrates through the mounting base and extends to the position below the mounting base, and a discharging valve is arranged at an outlet of the discharging pipe; the stirring mechanism is arranged in the mixing barrel and is used for mixing and stirring asphalt raw materials; the material control mechanism is arranged in the material mixing barrel, and the other end of the material control mechanism extends into the material discharging pipe; the transmission mechanism is arranged in the mixing barrel, and one end of the transmission mechanism is fixedly connected with the mixing barrel. The material control mechanism is arranged in the discharging pipe, and the stirring mechanism and the material control mechanism are in transmission connection through the transmission mechanism, so that the discharging speed can be conveniently adjusted according to the construction requirements of different pavements, and the paving efficiency and paving quality of the pavements are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to road surface construction technical field, concretely relates to a material mixing device for recycled asphalt pavement construction. BACKGROUND

[0002] Asphalt mixture is a kind of composite material, mainly composed of asphalt, ore etc. Due to the excellent performance of asphalt, it is widely used in road engineering. According to the mixing construction temperature, asphalt mixture can be divided into hot-mixed asphalt mixture, warm-mixed asphalt mixture and cold-mixed asphalt mixture. Hot-mixed asphalt mixture has good road performance, so its application range is the most extensive.

[0003] The Chinese patent with publication number CN218263321U discloses a material mixing device for recycled asphalt pavement construction, which solves the problem that the existing mixing equipment cannot observe the asphalt capacity in the mixing cylinder, so the asphalt in the mixing cylinder cannot be supplemented in time, which affects the efficiency of construction. A material mixing device for recycled asphalt pavement construction includes a bearing plate and a stirring barrel. The top of the stirring barrel is detachably connected with a top cover. The top center of the top cover is installed with a motor. The output shaft of the motor is connected with a shaft through the shaft sleeve penetrating the top cover. The outer circle bottom of the shaft is fixedly connected with a plurality of stirring blades. The top side of the top cover is connected with a feeding pipe. The inner cavity of the stirring barrel is provided with a conveying pipe. The utility model has reasonable structure, which can observe the asphalt remaining amount in the stirring barrel in real time, so as to supplement the asphalt in the stirring barrel in time and ensure the normal construction.

[0004] However, the above technical solution has the following disadvantages: due to the high viscosity of asphalt, the discharging is not smooth, and it is also difficult to control the discharging speed, which seriously affects the paving efficiency and quality of the road surface. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a material mixing device for recycled asphalt pavement construction.

[0006] The technical scheme of the utility model: a material mixing device for recycled asphalt pavement construction includes:

[0007] A mounting base is provided with a mixing cylinder at the top;

[0008] A discharging pipe is connected with the bottom end of the mixing cylinder at the top end, penetrates the mounting base and extends to the lower side of the mounting base, and the outlet of the discharging pipe is provided with a discharging valve;

[0009] A stirring mechanism is arranged in the mixing cylinder for mixing and stirring the asphalt raw materials;

[0010] The control mechanism is arranged in the mixing cylinder, and one end of the control mechanism extends into the discharging pipe for controlling the discharging speed of the discharging pipe.

[0011] The transmission mechanism is arranged in the mixing cylinder, one end of the transmission mechanism is fixedly connected with the mixing cylinder, the other end of the transmission mechanism is in transmission connection with the stirring mechanism, and the transmission mechanism is in transmission connection with the control mechanism.

[0012] Preferably, the stirring mechanism comprises a driving motor, a stirring rod and stirring blades; the driving motor is fixedly connected with the mixing cylinder through a support frame, one end of the stirring rod is in transmission connection with the output end of the driving motor, the other end of the stirring rod extends into the transmission mechanism and is in transmission connection with the transmission mechanism, the stirring blades are arranged in plurality, and the stirring blades are rotationally arranged in the mixing cylinder and are fixedly connected with the stirring rod.

[0013] Preferably, the control mechanism comprises a mounting shaft and an adjusting auger; one end of the mounting shaft extends into the transmission mechanism and is in transmission connection with the transmission mechanism, and the adjusting auger is arranged in the discharging pipe and is fixedly connected with the mounting shaft.

[0014] Preferably, the transmission mechanism comprises a mounting cylinder, a connecting pipe, a connecting cylinder and a transmission assembly; the mounting cylinder is fixedly connected with the mixing cylinder, the top end of the mounting shaft penetrates through the mounting cylinder and extends into the mounting cylinder, one end of the connecting pipe is fixedly connected with the mounting cylinder, the connecting cylinder is fixedly connected with the connecting pipe, the stirring rod penetrates through the connecting cylinder and extends into the connecting cylinder, one end of the transmission assembly is connected with the stirring rod, and the other end of the transmission assembly is connected with the mounting shaft.

[0015] Preferably, the transmission assembly comprises a transmission shaft, first, second, third and fourth gears; the transmission shaft is rotationally arranged in the connecting pipe, one end of the transmission shaft extends into the connecting cylinder, the other end of the transmission shaft extends into the mounting cylinder, the first and second gears are both rotationally arranged in the connecting cylinder, the first gear is fixedly connected with the stirring rod, the second gear is fixedly connected with the transmission shaft, the first gear is in meshing connection with the second gear, the third and fourth gears are both arranged in the mounting cylinder, the third gear is fixedly connected with the transmission shaft, the fourth gear is fixedly connected with the mounting shaft, and the third and fourth gears are in meshing connection with each other.

[0016] Preferably, the bottom of the mounting base is provided with traveling wheels, and the top of the mounting base and one side of the mixing cylinder are fixedly connected with a thrust handle.

[0017] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0018] The utility model discloses a control material mechanism is set up in the discharging pipe, and through transmission mechanism is driven connection with stirring mechanism and control material mechanism, and when discharging, the rotational speed of the auger is controlled through the rotational speed control of control drive motor, and then the discharging speed of the discharging pipe is controlled, and it is convenient to adjust the discharging speed according to the construction demand of different road surface, and the paving efficiency and paving quality of road surface are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the perspective view of an embodiment for the utility model;

[0020] Fig. 2 It is the sectional view in an embodiment for the utility model;

[0021] Fig. 3 It is the sectional view of transmission assembly in an embodiment for the utility model.

[0022] Sign significance: 1, installation base plate; 2, mix material cylinder; 3, stirring mechanism; 31, drive motor; 32, stirring rod; 33, stirring blade; 4, transmission mechanism; 41, installation cylinder; 42, connecting pipe; 43, connecting cylinder; 44, transmission assembly; 441, transmission shaft; 442, first gear; 443, second gear; 444, third gear; 445, fourth gear; 5, control material mechanism; 51, installation shaft; 52, adjust auger; 6, discharging pipe; 7, discharging valve; 8, support frame; 9, walking wheel; 10, thrust handle. DETAILED DESCRIPTION

[0023] Example one

[0024] As Figs. 1-3 shown, the utility model discloses a material mixing device for regenerated asphalt pavement construction, including installation base plate 1, discharging pipe 6, stirring mechanism 3, control material mechanism 5 and transmission mechanism 4;

[0025] The top of installation base plate 1 is provided with mix material cylinder 2, and the bottom of installation base plate 1 is provided with walking wheel 9, and the top of installation base plate 1 and one side of mix material cylinder 2 are fixedly connected with thrust handle 10;

[0026] The top end of discharging pipe 6 is communicated with the bottom end of mix material cylinder 2, and discharging pipe 6 penetrates installation base plate 1 and extends to the below of installation base plate 1, and the outlet of discharging pipe 6 is provided with discharging valve 7;

[0027] Stirring mechanism 3 is arranged in mix material cylinder 2 and is used for mixing and stirring asphalt raw materials;

[0028] Control material mechanism 5 is arranged in mix material cylinder 2, and the other end of control material mechanism 5 extends to discharging pipe 6 and is used for controlling the discharging speed of discharging pipe 6;

[0029] The transmission mechanism 4 is arranged in the mixing barrel 2, one end of the transmission mechanism 4 is fixedly connected with the mixing barrel 2, the other end of the transmission mechanism 4 is in transmission connection with the stirring mechanism 3, and the transmission mechanism 4 is in transmission connection with the material control mechanism 5.

[0030] Embodiment two

[0031] As Fig. 2 shown, the material mixing device for recycled asphalt pavement construction is provided, compared with embodiment one, the structure of the stirring mechanism 3 is further disclosed in the embodiment; the stirring mechanism 3 comprises a driving motor 31, a stirring rod 32 and stirring blades 33; the driving motor 31 is fixedly connected with the mixing barrel 2 through the support frame 8, the driving motor 31 is a variable frequency motor, is connected with a control system and a power supply through wires, one end of the stirring rod 32 is in transmission connection with an output end of the driving motor 31, the other end of the stirring rod 32 extends into the transmission mechanism 4 and is in transmission connection with the transmission mechanism 4, the stirring blades 33 are arranged in plurality, the stirring blades 33 are rotationally arranged in the mixing barrel 2 and are fixedly connected with the stirring rod 32.

[0032] Embodiment three

[0033] As Figs. 2-3 shown, the material mixing device for recycled asphalt pavement construction is provided, compared with embodiment two, the structure of the material control mechanism 5 is further disclosed in the embodiment; the material control mechanism 5 comprises a mounting shaft 51 and an adjusting auger 52; one end of the mounting shaft 51 extends into the transmission mechanism 4 and is in transmission connection with the transmission mechanism 4, the adjusting auger 52 is arranged in the discharging pipe 6 and is fixedly connected with the mounting shaft 51.

[0034] Embodiment four

[0035] As Figs. 2-3Compared with the third embodiment, the embodiment further specifically discloses the structure of the transmission mechanism 4; the transmission mechanism 4 comprises a mounting cylinder 41, a connecting pipe 42, a connecting cylinder 43 and a transmission assembly 44; the mounting cylinder 41 is fixedly connected with the mixing cylinder 2, the top end of the mounting shaft 51 penetrates through the mounting cylinder 41 and extends into the mounting cylinder 41, one end of the connecting pipe 42 is fixedly connected with the mounting cylinder 41, the connecting cylinder 43 is fixedly connected with the connecting pipe 42, the stirring rod 32 penetrates through the connecting cylinder 43 and extends into the connecting cylinder 43, one end of the transmission assembly 44 is connected with the stirring rod 32, and the other end of the transmission assembly 44 is connected with the mounting shaft 51; the transmission assembly 44 comprises a transmission shaft 441, a first gear 442, a second gear 443, a third gear 444 and a fourth gear 445; the transmission shaft 441 is rotationally arranged in the connecting pipe 42, one end of the transmission shaft 441 extends into the connecting cylinder 43, the other end of the transmission shaft 441 extends into the mounting cylinder 41, the first gear 442 and the second gear 443 are both rotationally arranged in the connecting cylinder 43, the first gear 442 is fixedly connected with the stirring rod 32, the second gear 443 is fixedly connected with the transmission shaft 441, the first gear 442 and the second gear 443 are in mesh with each other, the third gear 444 and the fourth gear 445 are both arranged in the mounting cylinder 41, the third gear 444 is fixedly connected with the transmission shaft 441, the fourth gear 445 is fixedly connected with the mounting shaft 51, and the third gear 444 and the fourth gear 445 are in mesh with each other.

[0036] The asphalt to be stirred is placed into the mixing cylinder 2, the driving motor 31 is turned on, the driving motor 31 rotates in the forward direction to drive the stirring rod 32 to rotate the stirring blade 33 to stir the material in the mixing cylinder 2, meanwhile, the auger 53 is adjusted to rotate to lift the material in the discharging pipe 6 upwards for stirring, after the material is fully stirred, the discharging valve 7 is opened, the driving motor 31 is reversely rotated to drive the first gear 442 to rotate together, the first gear 442 rotates to drive the second gear 443, the transmission shaft 441 and the third gear 444 to rotate together through meshing, the third gear 444 rotates to drive the fourth gear 445, the mounting shaft 51 and the adjusting auger 52 to rotate together through meshing, the rotating speed of the adjusting auger 52 is controlled by controlling the rotating speed of the driving motor 31, and then the discharging speed of the discharging pipe 6 is controlled.

[0037] The embodiment of the utility model is described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range possessed by the person skilled in the art, various changes can also be made without departing from the purpose of the utility model.

Claims

1. A material mixing device for recycling asphalt pavement construction, characterized by, The utility model relates to a kind of asphalt mixing machine, including: Mounting base (1), the top of which is provided with mixing cylinder (2); Discharge pipe (6), the top end of which is communicated with the bottom end of mixing cylinder (2), discharge pipe (6) penetrates mounting base (1) and extends below mounting base (1), and the outlet of discharge pipe (6) is provided with discharge valve (7); Stirring mechanism (3) is arranged in mixing cylinder (2) for mixing and stirring asphalt raw materials; Material control mechanism (5) is arranged in mixing cylinder (2), and the other end of material control mechanism (5) extends into discharge pipe (6) for controlling the discharging speed of discharge pipe (6); Transmission mechanism (4) is arranged in mixing cylinder (2), one end of transmission mechanism (4) is fixedly connected with mixing cylinder (2), the other end of transmission mechanism (4) is drivingly connected with stirring mechanism (3), and transmission mechanism (4) is drivingly connected with material control mechanism (5).

2. The material mixing device for recycling asphalt pavement construction according to claim 1, characterized in that, Stirring mechanism (3) includes driving motor (31), stirring rod (32) and stirring blade (33);Driving motor (31) is fixedly connected with mixing cylinder (2) by support frame (8), one end of stirring rod (32) is drivingly connected with the output end of driving motor (31), the other end of stirring rod (32) extends into transmission mechanism (4) and is drivingly connected with transmission mechanism (4), and stirring blade (33) is provided with a plurality of stirring blades (33) rotatably arranged in mixing cylinder (2) and fixedly connected with stirring rod (32).

3. The material mixing device for recycling asphalt pavement construction according to claim 2, characterized in that, Material control mechanism (5) includes mounting shaft (51) and adjusting auger (52);One end of mounting shaft (51) extends into transmission mechanism (4) and is drivingly connected with transmission mechanism (4), and adjusting auger (52) is arranged in discharge pipe (6) and is fixedly connected with mounting shaft (51).

4. The material mixing device for recycling asphalt pavement construction according to claim 3, characterized in that, Transmission mechanism (4) includes mounting cylinder (41), connecting pipe (42), connecting cylinder (43) and transmission assembly (44);Mounting cylinder (41) is fixedly connected with mixing cylinder (2), the top end of mounting shaft (51) penetrates mounting cylinder (41) and extends into mounting cylinder (41), one end of connecting pipe (42) is fixedly connected with mounting cylinder (41), connecting cylinder (43) is fixedly connected with connecting pipe (42), stirring rod (32) penetrates connecting cylinder (43) and extends into connecting cylinder (43), one end of transmission assembly (44) is connected with stirring rod (32), and the other end of transmission assembly (44) is connected with mounting shaft (51).

5. The material mixing device for recycling asphalt pavement construction according to claim 4, characterized in that, The transmission assembly (44) comprises a transmission shaft (441), a first gear (442), a second gear (443), a third gear (444) and a fourth gear (445); the transmission shaft (441) is rotationally arranged in the connecting pipe (42), one end of the transmission shaft (441) extends into the connecting cylinder (43), the other end of the transmission shaft (441) extends into the mounting cylinder (41), the first gear (442) and the second gear (443) are both rotationally arranged in the connecting cylinder (43), the first gear (442) is fixedly connected with the stirring rod (32), the second gear (443) is fixedly connected with the transmission shaft (441), the first gear (442) and the second gear (443) are in mesh with each other, the third gear (444) and the fourth gear (445) are both arranged in the mounting cylinder (41), the third gear (444) is fixedly connected with the transmission shaft (441), the fourth gear (445) is fixedly connected with the mounting shaft (51), and the third gear (444) and the fourth gear (445) are in mesh with each other.

6. The material mixing device for recycling asphalt pavement construction according to claim 1, characterized in that, The bottom of the mounting base (1) is provided with traveling wheels (9), and the top of the mounting base (1) and one side of the mixing cylinder (2) are fixedly connected with a thrust handle (10).

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