Gravel classification screening machine for highway asphalt pavement

Abstract

The utility model relates to the field of gravel screening, and discloses a gravel classification screening machine for highway asphalt pavements, which comprises a box body, the upper end of the box body is fixedly connected with a cover plate, the inner wall of the box body is provided with a mounting frame, the inner wall of the box body is fixedly connected with a plurality of bottom rods, and the upper ends of the bottom rods are fixedly connected with springs; the inner wall of the mounting frame is fixedly connected with a first sieve plate and a second sieve plate, the outer wall of the mounting frame is fixedly connected with a vibration motor, the inner wall of the cover plate is rotatably connected with a plurality of spray pipes, and the outer walls of the plurality of spray pipes are fixedly connected with gears; according to the gravel screening device, under the action of the water spraying assembly and through cooperation of the rotating motor, the rotating rod, the push block, the sliding rod, the toothed rod and the gear, the multiple spraying pipes in the cover plate can spray water mist, dust falling is conducted during gravel screening, and the situation that much dust is generated during gravel screening, and the surrounding environment is affected to a certain degree is prevented.

Description

Technical Field

[0001] The present application relates to the field of crushed stone screening, and in particular to a crushed stone grading screening machine for asphalt pavement of highways. Background Art

[0002] Expressways are roads designed for high-speed travel. Asphalt and other materials are often used in the pavement of expressways. Asphalt pavement is widely used in modern transportation construction due to its safety, comfort, ease of repair, and durability. At the same time, asphalt needs to be mixed with other materials such as gravel during paving. Gravel varies in size, so it needs to be graded and screened before mixing.

[0003] However, when the existing gravel grading and screening machines screen the gravel, large dust is generated due to the shaking of the gravel. It is usually inconvenient to reduce the dust during screening, so that the dust affects the surrounding environment.

[0004] The above information disclosed in this background technology is only used to increase the understanding of the background technology of this application. Therefore, it may contain information that does not constitute the prior art known to ordinary technicians in this field. Utility Model Content

[0005] In order to solve the problem that the existing gravel grading and screening machine is not convenient for reducing dust generated when screening gravel, the present application provides a gravel grading and screening machine for asphalt pavement of highways.

[0006] The crushed stone grading and screening machine for highway asphalt pavement provided in this application adopts the following technical solution:

[0007] A gravel grading and screening machine for asphalt pavement of highway comprises a box body, the upper end of the box body is fixedly connected to a cover plate, the inner wall of the box body is provided with a mounting frame, the inner wall of the box body is fixedly connected to a plurality of bottom rods, the upper ends of the bottom rods are fixedly connected to a spring, the inner wall of the mounting frame is fixedly connected to a first sieve plate and a second sieve plate, the outer wall of the mounting frame is fixedly connected to a vibration motor, the inner wall of the cover plate is rotatably connected to a plurality of nozzles, the outer walls of the plurality of nozzles are fixedly connected to gears, the outer wall of the box body is provided with a sliding rod, the upper end of the sliding rod is fixedly connected to a gear rod, the outer wall of the box body is fixedly connected to a fixing frame, the outer wall of the fixing frame is fixedly connected to a rotating motor, the output end of the rotating motor is fixedly connected to a rotating rod, the outer wall of the rotating rod is fixedly connected to a push block, and the outer wall of the box body is provided with a water spray assembly.

[0008] Preferably, the water spray assembly includes a water tank, a pump body, a water distribution pipe, a connecting pipe and a hose. The outer wall of the box body is fixedly connected to the water tank, the upper end of the water tank is fixedly connected to the pump body, the upper end of the cover plate is fixedly connected to the water distribution pipe, the water outlet of the pump body is fixedly connected to the connecting pipe, the other end of the connecting pipe is fixedly connected to the water distribution pipe, the outer walls of the water distribution pipes are fixedly connected to multiple hoses, and the other end of the hose is fixedly connected to the nozzle.

[0009] Preferably, the outer walls of the sliding rods are fixedly connected to a plurality of limiting rods, and the inner walls of the fixing brackets are slidably connected to the rod bodies of the plurality of limiting rods.

[0010] Preferably, two clamping sleeves are fixedly connected to the upper ends of the fixing frames, and the inner walls of the clamping sleeves are slidably connected to the gear rod.

[0011] Preferably, the outer walls of the mounting frame are fixedly connected to a plurality of springs, the plurality of gears are meshed with the gear rod, the outer wall of the push block is slidably connected to the inner wall of the slide rod, and the upper end of the cover plate is fixedly connected to the feed hopper.

[0012] In summary, this application has the following beneficial technical effects:

[0013] 1. Through the cooperation of the setting installation frame, bottom rod, spring, first screen plate, second screen plate and vibration motor, it is convenient to grade and screen the gravel. Under the action of the water spray assembly, and through the cooperation of the rotating motor, rotating rod, push block, slide rod, gear rod and gear, the multiple nozzles in the cover plate can spray water mist to reduce dust when screening the gravel, so as to prevent the excessive dust generated during the screening of the gravel and cause a certain impact on the surrounding environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 is a schematic structural diagram of a water spray assembly according to an embodiment of the application;

[0016] Figure 3 It is a structural diagram of the installation frame of the application embodiment;

[0017] Figure 4 It is a structural schematic diagram of a fixing frame according to an embodiment of the application.

[0018] Explanation of the accompanying symbols: 1. Box body; 2. Cover plate; 3. Mounting frame; 4. Bottom rod; 5. Spring; 6. First sieve plate; 7. Second sieve plate; 8. Vibration motor; 9. Nozzle; 10. Gear; 11. Slide rod; 12. Gear rod; 13. Fixed frame; 14. Rotating motor; 15. Rotating rod; 16. Push block; 17. Limit rod; 18. Card sleeve; 19. Feed hopper; 20. Water tank; 21. Pump body; 22. Water distribution pipe; 23. Connecting pipe; 24. Hose. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4 This application is described in further detail.

[0020] The present application embodiment discloses a crushed stone grading and screening machine for asphalt pavement of a highway, referring to Figure 1 , including a box body 1, the upper end of the box body 1 is fixedly connected to a cover plate 2, the inner wall of the box body 1 is provided with a mounting frame 3, the inner wall of the box body 1 is fixedly connected to a plurality of bottom rods 4, the upper end of the bottom rod 4 is fixedly connected to a spring 5, which can improve the vibration effect of the mounting frame 3, the inner wall of the mounting frame 3 is fixedly connected to the first sieve plate 6 and the second sieve plate 7, the radius of the mesh on the surface of the first sieve plate 6 is larger than the radius of the mesh on the surface of the second sieve plate 7, the outer wall of the mounting frame 3 is fixedly connected to a vibration motor 8, which can drive the mounting frame 3 to vibrate, thereby improving the screening effect of the first sieve plate 6 and the second sieve plate 7, and the inner wall of the cover plate 2 is rotatably connected There are multiple nozzles 9, the outer walls of the multiple nozzles 9 are fixedly connected to gears 10, the outer wall of the box body 1 is provided with a slide rod 11, the upper end of the slide rod 11 is fixedly connected to a gear rod 12, the movement of the gear rod 12 can drive the multiple gears 10 to rotate, the outer wall of the box body 1 is fixedly connected to a fixed frame 13, the outer wall of the fixed frame 13 is fixedly connected to a rotating motor 14, the output end of the rotating motor 14 is fixedly connected to a rotating rod 15, the outer wall of the rotating rod 15 is fixedly connected to a push block 16, the outer wall of the push block 16 is slidably connected to the inner wall of the rotating rod 15, and the outer wall of the box body 1 is provided with a water spray assembly, which can transfer water to the inside of the nozzle 9;

[0021] Specifically, refer to Figure 2 The water spray assembly includes a water tank 20, a pump body 21, a water distribution pipe 22, a connecting pipe 23 and a hose 24. The outer wall of the box body 1 is fixedly connected to the water tank 20, the upper end of the water tank 20 is fixedly connected to the pump body 21, the upper end of the cover plate 2 is fixedly connected to the water distribution pipe 22, the water outlet of the pump body 21 is fixedly connected to the connecting pipe 23, the other end of the connecting pipe 23 is fixedly connected to the water distribution pipe 22, the outer walls of the water distribution pipe 22 are fixedly connected to multiple hoses 24, the other end of the hose 24 is fixedly connected to the nozzle 9, the water inside the water tank 20 is transferred to the inner wall of the water distribution pipe 22 through the pump body 21 through the connecting pipe 23, and the water is transferred to the interior of the nozzle 9 through multiple hoses 24, and water mist is sprayed out through the atomizing nozzle at the lower end of the nozzle 9.

[0022] Reference Figure 4 The outer wall of the slide rod 11 is fixedly connected with a plurality of limit rods 17, which can limit the slide rod 11 and the gear rod 12, and the inner wall of the fixing frame 13 is slidably connected with the rod body of the plurality of limit rods 17.

[0023] Reference Figure 4 The upper end of the fixed frame 13 is fixedly connected to two clamping sleeves 18, which are convenient for supporting the gear rod 12 and limiting the gear rod 12. The inner wall of the clamping sleeve 18 is slidably connected to the gear rod 12.

[0024] Reference Figure 3 The outer walls of the mounting frame 3 are fixedly connected to multiple springs 5, which can improve the vibration effect of the mounting frame 3. Multiple gears 10 are engaged with the gear rod 12. The movement of the gear rod 12 can drive the multiple gears 10 to rotate. The outer wall of the push block 16 is slidably connected to the inner wall of the slide rod 11. The rotation of the rotating rod 15 can drive the slide rod 11 to move through the push block 16. The upper end of the cover plate 2 is fixedly connected to the feed hopper 19, which is convenient for pouring gravel into the interior of the box body 1.

[0025] The implementation principle of the gravel grading and screening machine for asphalt pavement of highways in the embodiment of the present application is as follows: when in use, gravel can be fed into the interior of the box body 1 through the feed hopper 19, so that the gravel can fall on the surface of the first sieve plate 6 inside the mounting frame 3, and the mounting frame 3 can be vibrated by the cooperation of the vibration motor 8 and the spring 5, so that the gravel is graded and screened by the first sieve plate 6 and the second sieve plate 7. During screening, the water inside the water tank 20 can be transferred to the inner wall of the water distribution pipe 22 through the connecting pipe 23 by the pump body 21, and transferred to the interior of the nozzle 9 through multiple hoses 24, and water mist is sprayed through the atomizing nozzle at the lower end of the nozzle 9, thereby reducing dust inside the box body 1, and at the same time, the rotating motor 14 can drive the rotating rod 15 to rotate, so that the rotating rod 15 drives the sliding rod 11 to move through the push block 16, which is convenient for driving the gear rod 12 to move, so that the gear rod 12 can reciprocate on the surface of multiple gears 10, so that the nozzle 9 rotates under the action of the gear 10, which is convenient for increasing the range of spraying water mist.

[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense, and may refer to mechanical or electrical connections, internal communication between two components, or direct connection. "Up," "down," "left," and "right" are only used to indicate relative positional relationships. When the absolute positions of the objects being described change, the relative positional relationships may also change.

[0027] Secondly: The drawings of the embodiments disclosed in this utility model only involve structures related to the embodiments disclosed in this utility model. Other structures can refer to common designs. In the absence of conflicts, the same embodiment and different embodiments of the utility model can be combined with each other.

[0028] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0029] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A crushed stone grading and screening machine for asphalt pavement of highway, comprising a box (1), characterized in that: The upper end of the box body (1) is fixedly connected to a cover plate (2), the inner wall of the box body (1) is provided with a mounting frame (3), the inner wall of the box body (1) is fixedly connected to a plurality of bottom rods (4), the upper ends of the bottom rods (4) are fixedly connected to springs (5), the inner wall of the mounting frame (3) is fixedly connected to a first sieve plate (6) and a second sieve plate (7), the outer wall of the mounting frame (3) is fixedly connected to a vibration motor (8), the inner wall of the cover plate (2) is rotatably connected to a plurality of nozzles (9), the plurality of nozzles The outer wall of (9) is fixedly connected with a gear (10), the outer wall of the box body (1) is provided with a slide bar (11), the upper end of the slide bar (11) is fixedly connected with a gear bar (12), the outer wall of the box body (1) is fixedly connected with a fixed frame (13), the outer wall of the fixed frame (13) is fixedly connected with a rotating motor (14), the output end of the rotating motor (14) is fixedly connected with a rotating rod (15), the outer wall of the rotating rod (15) is fixedly connected with a push block (16), and the outer wall of the box body (1) is provided with a water spray assembly.

2. The crushed stone grading and screening machine for highway asphalt pavement according to claim 1, characterized in that: The water spray assembly comprises a water tank (20), a pump body (21), a water distribution pipe (22), a connecting pipe (23) and a hose (24); the outer wall of the box body (1) is fixedly connected to the water tank (20); the upper end of the water tank (20) is fixedly connected to the pump body (21); the upper end of the cover plate (2) is fixedly connected to the water distribution pipe (22); the water outlet of the pump body (21) is fixedly connected to the connecting pipe (23); the other end of the connecting pipe (23) is fixedly connected to the water distribution pipe (22); the outer wall of the water distribution pipe (22) is fixedly connected to a plurality of hoses (24); the other end of the hose (24) is fixedly connected to the spray pipe (9).

3. The crushed stone grading and screening machine for highway asphalt pavement according to claim 1, characterized in that: The outer walls of the slide rods (11) are fixedly connected to a plurality of limit rods (17), and the inner walls of the fixing frame (13) are slidably connected to the rod bodies of the plurality of limit rods (17).

4. The crushed stone grading and screening machine for highway asphalt pavement according to claim 1, characterized in that: The upper ends of the fixing frames (13) are fixedly connected to two clamping sleeves (18), and the inner walls of the clamping sleeves (18) are slidably connected to the gear rod (12).

5. The crushed stone grading and screening machine for highway asphalt pavement according to claim 1, characterized in that: The outer wall of the installation frame (3) is fixedly connected to a plurality of springs (5), the plurality of gears (10) are meshed with the gear rod (12), the outer wall of the push block (16) is slidably connected to the inner wall of the slide rod (11), and the upper end of the cover plate (2) is fixedly connected to the feed hopper (19).

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