阅读说明：本技术 一种沥青拌合站冷骨料输送系统 (Cold aggregate conveying system of asphalt mixing station ) 是由 吴志锐 吴卓君 吴宸栋 吴宇 于 2019-10-08 设计创作，主要内容包括：本发明提供一种沥青拌合站冷骨料输送系统,包括冷料仓、绞龙输送机、输送装置、烘干筒；输送装置包括第一壳体,第一壳体内设有输送链,输送链上设有多对料斗,每对料斗铰接在输送链的左右两侧；第一壳体内还设有第一电机减速机一体机、主动齿轮及转向齿轮；第一壳体上还设有上料仓、电推杆及光电计数器；上料仓的底部设有一对下料口；电推杆的伸缩端设有推板,推板带动闸板打开或关闭下料口；光电计数器设置在对应料斗处；第一壳体还设有第三出料口、翻转每对料斗的一对挡把及控制器；第一出料口与第二进料口对接,第二出料口与上料仓对接,第三出料口与第四进料口对接。本发明结构设计简单,能够对沥青拌合站冷骨料进行高效输送。(The invention provides a cold aggregate conveying system of an asphalt mixing station, which comprises a cold material bin, a screw conveyor, a conveying device and a drying cylinder, wherein the screw conveyor is arranged on the cold material bin; the conveying device comprises a first shell, a conveying chain is arranged in the first shell, a plurality of pairs of hoppers are arranged on the conveying chain, and each pair of hoppers is hinged to the left side and the right side of the conveying chain; a first motor reducer all-in-one machine, a driving gear and a steering gear are further arranged in the first shell; the first shell is also provided with a feeding bin, an electric push rod and a photoelectric counter; the bottom of the feeding bin is provided with a pair of feed openings; the telescopic end of the electric push rod is provided with a push plate, and the push plate drives the flashboard to open or close the feed opening; the photoelectric counter is arranged at the corresponding hopper; the first shell is also provided with a third discharge hole, a pair of blocking handles for turning each pair of hoppers and a controller; the first discharge port is in butt joint with the second feed port, the second discharge port is in butt joint with the feeding bin, and the third discharge port is in butt joint with the fourth feed port. The cold aggregate conveying device is simple in structural design and can be used for efficiently conveying the cold aggregate of the asphalt mixing station.)

1. The utility model provides an asphalt mixing station cold aggregate conveying system which characterized in that: comprises a cold storage bin (1) provided with a first discharge hole (1-1), an auger conveyor (3) provided with a second feed hole (3-1) and a second discharge hole, a conveying device (6) and a drying cylinder (12) provided with a fourth feed hole (12-1); the conveying device (6) comprises a first shell (7), a conveying chain (10) is arranged in the first shell (7), a plurality of pairs of hoppers (11) are arranged on the conveying chain (10) at equal intervals, and each pair of hoppers (11) are symmetrically hinged to the left side and the right side of the conveying chain (10); a first motor and speed reducer integrated machine (8), a driving gear (9) and a steering gear (22) are further arranged in the first shell (7), the driving gear (9) is driven by the first motor and speed reducer integrated machine (8) to rotate, the conveying chain (10) is driven by the driving gear (9) to rotate, and the conveying chain (10) is divided into a first horizontal section located on the lower side, a second horizontal section located on the upper side and a vertical section connecting the first horizontal section and the second horizontal section by the steering gear (22); an upper storage bin (14), an electric push rod (32) and a photoelectric counter (20) are arranged on the first shell (7) corresponding to the first horizontal section; the bottom of the upper bin (14) is provided with a pair of feed openings (39) corresponding to each pair of hoppers (11); a push plate (35) is arranged at the telescopic end (34) of the electric push rod (32), and the push plate (35) drives the gate plate (36) to open or close the pair of feed openings (39); the photoelectric counter (20) is arranged for the hopper (11); a third discharge hole (19) is formed in the first shell (7) corresponding to the second horizontal section; the hoppers (11) are respectively provided with a stop block (11-1), and the first shell (7) corresponding to the third discharge hole (19) is also provided with a pair of stop handles (11-2) aiming at the stop blocks (11-1); the first shell (7) is also provided with a controller (13), and the first motor and speed reducer all-in-one machine (8), the electric push rod (32) and the photoelectric counter (20) are electrically connected to the controller (13); the first discharge hole (1-1) is in butt joint with the second feed hole (3-1), the second discharge hole is in butt joint with the upper storage bin (14), and the third discharge hole (19) is in butt joint with the fourth feed hole (12-1).

2. The asphalt mixing station cold aggregate delivery system of claim 1, wherein: the auger conveyor (3) is driven by a second motor and speed reducer integrated machine (4); a dust outlet (15) is also formed in the auger conveyor (3), and a draught fan (16) is arranged at the dust outlet (15); the second motor and reducer all-in-one machine (4) and the induced draft fan (16) are electrically connected to the controller (13); auger conveyer (3) upside still is equipped with dust separator (18), dust separator (18) include second casing (24), second casing (24) are divided into the air chamber that is located the upside and are located the dust collecting chamber of downside by built-in baffle (30), the top of air chamber is equipped with gas outlet (27), the bottom of dust collecting chamber is equipped with clearance mouth (28), still be equipped with cyclone (25) on baffle (30), cyclone (25) are including being located air inlet (25-1), gas vent (25-2) in the air chamber and being located dust outlet (25-3) in the dust collecting chamber, air inlet (25-1) pipeline (17) are connected to go out dirt mouth (15).

3. The asphalt mixing station cold aggregate delivery system of claim 2, wherein: a filter screen (26) is arranged in the air chamber close to the air outlet (27).

4. The asphalt mixing station cold aggregate delivery system of claim 3, wherein: a dust concentration detector (40) is arranged in the auger conveyor (3) corresponding to the dust outlet (15); the dust concentration detector (40) is electrically connected to the controller (13).

5. The asphalt mixing station cold aggregate delivery system of claim 1, wherein: and a pressure sensor is arranged on a bottom plate (38) of the upper storage bin (14), and the pressure sensor is electrically connected to the controller (13).

6. The asphalt mixing station cold aggregate delivery system of claim 1, wherein: the bottom of the dust collecting chamber is conical.

7. The asphalt mixing station cold aggregate delivery system of claim 1, wherein: the bottom of the first shell (7) corresponding to the first horizontal section is conical, and the lowest part of the conical shape is provided with a blanking recovery port (21); the bottom of the first shell (7) corresponding to the second horizontal section slants obliquely downwards to the vertical section.

Technical Field

The invention relates to the technical field of asphalt mixing stations, in particular to a cold aggregate conveying system of an asphalt mixing station.

Background

The asphalt mixing station is a kind of asphalt pavement material mixing equipment, and its basic working principle is that the raw materials of asphalt, sand stone, etc. are heated to a certain temp., and mixed with the raw materials of stone powder, additive, etc. in a high-temp. closed environment to obtain a hot asphalt mixture. Wherein, the cold burden such as grit needs now to send to the stoving cylinder in through conveyor and heat after cold burden storehouse screening, measurement.

The cold material conveying device of the traditional asphalt concrete mixing equipment mainly comprises a belt conveyor, a lifter and a chute; the elevator is connected between the belt conveyor and the chute, the belt conveyor is used for horizontally conveying cold materials, and the elevator is used for vertically conveying the cold materials. This cold burden conveyor, not only area is big, spare part is too much, the installation is complicated, at the operation in-process, can't avoid producing dust and noise, and it is too much to maintain moreover, produces the trouble easily, influences asphalt concrete's production efficiency.

Disclosure of Invention

In order to overcome the technical problem, the invention provides a cold aggregate conveying system of an asphalt mixing station, which is simple in structural design, can improve the working efficiency of the asphalt mixing station and avoid dust raising, and the specific scheme is as follows:

a cold aggregate conveying system of an asphalt mixing station comprises a cold material bin provided with a first discharge port, an auger conveyor provided with a second feed port and a second discharge port, a conveying device and a drying cylinder provided with a fourth feed port; the conveying device comprises a first shell, a conveying chain is arranged in the first shell, a plurality of pairs of hoppers are arranged on the conveying chain at equal intervals, and each pair of hoppers is symmetrically hinged to the left side and the right side of the conveying chain; the first shell is internally provided with a first motor and reducer integrated machine, a driving gear and a steering gear, the first motor and reducer integrated machine drives the driving gear to rotate, the driving gear drives the conveying chain to rotate, and the steering gear divides the conveying chain into a first horizontal section at the lower side, a second horizontal section at the upper side and a vertical section for connecting the first horizontal section and the second horizontal section; an upper material bin, an electric push rod and a photoelectric counter are arranged on the first shell corresponding to the first horizontal section; the bottom of the feeding bin is provided with a pair of feed openings corresponding to each pair of hoppers; the telescopic end of the electric push rod is provided with a push plate, and the push plate drives the flashboard to open or close the pair of feed openings; the photoelectric counter is arranged aiming at the hopper; a third discharge hole is formed in the first shell corresponding to the second horizontal section; the hoppers are respectively provided with a stop block, and the first shell corresponding to the third discharge port is also provided with a pair of stop handles aiming at the stop blocks; the first shell is also provided with a controller, and the first motor reducer all-in-one machine, the electric push rod and the photoelectric counter are electrically connected to the controller; the first discharge hole is in butt joint with the second feed inlet, the second discharge hole is in butt joint with the feeding bin, and the third discharge hole is in butt joint with the fourth feed inlet.

Based on the above, the auger conveyor is driven by the second motor reducer all-in-one machine; a dust outlet is also formed in the auger conveyor, and an induced draft fan is arranged at the dust outlet; the second motor reducer all-in-one machine and the induced draft fan are both electrically connected to the controller; auger conveyer upside still seat is equipped with dust separator, dust separator includes the second casing, the second casing is divided into the air chamber that is located the upside and is located the dust collecting chamber of downside by built-in baffle, the top of air chamber is equipped with the gas outlet, the bottom of dust collecting chamber is equipped with the clearance mouth, still be equipped with cyclone on the baffle, cyclone is including being located air inlet, gas vent in the air chamber and being located dust outlet in the dust collecting chamber, the air inlet pipeline is connected to go out the dirt mouth.

Based on the above, the air chamber is close to air outlet department is equipped with the filter screen.

Based on the above, a dust concentration detector is arranged in the auger conveyor corresponding to the dust outlet; the dust concentration detector is electrically connected to the controller.

Based on the above, be equipped with pressure sensor on the bottom plate of going up the feed bin, pressure sensor electric connection to the controller.

Based on the above, the bottom of the dust collecting chamber is conical.

Based on the above, the bottom of the first shell corresponding to the first horizontal section is conical, and the lowest part of the conical shape is provided with a blanking recovery port; the bottom of the first shell corresponding to the second horizontal section slants obliquely downwards to the vertical section.

Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly has the following advantages:

1. according to the invention, the dust concentration detector is arranged in the auger conveyor, the draught fan is arranged at the dust outlet, both the dust concentration detector and the draught fan are electrically connected to the controller, the auger conveyor is provided with the dust separation device, the dust outlet is connected with the dust separation device through a pipeline, and dust generated in the conveying process of the cold aggregate in the auger conveyor can be removed through the dust separation device, so that the dust raising phenomenon of the asphalt mixing station is avoided.

2. According to the invention, the aggregate is transferred and lifted by hinging and installing the hopper on the conveying chain, and compared with the traditional aggregate conveying system, the aggregate conveying system has the advantages of simpler structure, more convenient maintenance and higher operation efficiency.

3. According to the invention, the first motor reducer all-in-one machine, the second motor reducer all-in-one machine, the photoelectric counter and the electric push rod are electrically connected to the controller, the aggregate filling operation from the feeding bin to the hopper and the amount of the aggregate added into the drying cylinder can be controlled through the controller, and the intelligent drying device has the obvious characteristic of intelligence.

4. According to the invention, the second motor speed reducer all-in-one machine for driving the auger conveyor and the pressure sensor arranged on the bottom plate of the upper storage bin are electrically connected to the controller, when the pressure is too high, the auger conveyor is closed by the controller, and when the pressure is too low, the auger conveyor is opened by the controller, so that the structural design not only ensures the use safety of the auger conveyor, but also ensures the continuous conveying of aggregates.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the aggregate transfer device of the present invention.

Fig. 3 is an enlarged front view of the structure at a1 in fig. 1.

Fig. 4 is an enlarged left side view of the structure at a1 in fig. 1.

Fig. 5 is an enlarged front view of the structure at a2 in fig. 1.

Fig. 6 is an enlarged front view of the structure at a3 in fig. 1.

Fig. 7 is an enlarged plan view of the structure at a3 in fig. 1.

FIG. 8 is a schematic view showing the structure of the dust separating apparatus of the present invention.

In the figure: 1. a cold storage bin; 1-1, a first discharge port; 2. a first bracket; 3. a screw conveyor; 3-1, a second feed inlet; 4. a second motor reducer all-in-one machine; 5. a second bracket; 6. a conveying device; 7. a first housing; 8. a first motor reducer all-in-one machine; 9. a driving gear; 10. a conveyor chain; 11. a hopper; 11-1, a stop block; 11-2. shift handle; 12. a drying drum; 12-1, a fourth feed inlet; 13. a controller; 14. feeding a bin; 15. a dust outlet; 16. an induced draft fan; 17. a pipeline; 18. a dust separation device; 19. a third discharge port; 20. a photoelectric counter; 21. a blanking recovery port; 22. a steering gear; 23. a pin shaft; 24. a second housing; 25. a cyclone separator; 25-1. an air inlet; 25-2. an exhaust port; 25-3, a dust outlet; 26. a filter screen; 27. an air outlet; 28. cleaning the opening; 29. a third support; 30. a partition plate; 31. a supporting seat; 32. an electric push rod; 33. a fourth bracket; 34. a telescopic end; 35. pushing the plate; 36. a shutter plate; 37. a roller; 38. a base plate; 39. a feeding port; 40. a dust concentration detector.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.