Dust falling device of milling machine

Abstract

The utility model provides a dust falling device of a milling machine, which belongs to the field of milling dust falling and comprises a raw water tank, the top of the raw water tank is fixedly connected with a water inlet of a high-pressure pump through a water pumping pipe, and a water outlet of the high-pressure pump is connected with a first spraying component through a first three-way pipe. The top of the first three-way pipe is connected with a communicating pipe in a penetrating mode, and the other end of the communicating pipe is connected with the second spraying assembly through a second three-way pipe. An adjusting knob drives an adjusting shaft to rotate in a rotating hole and a rotating groove, so that gaps between a water storage plate and two mounting blocks are loosened, the water storage plate is rotated and then matched with the adjusting knob to be screwed with the two mounting blocks, the spraying angle is adjusted, and a high-pressure pump is matched with a water pumping pipe to pump out water in a raw water tank. Two first control valves on the surface of a first three-way pipe are opened, water enters two first telescopic pipes from two first bent pipes, then enters two water storage plates and is sprayed out through a plurality of first spraying covers, and dust falling is conducted on a milling drum of the milling machine.

Description

Technical Field

[0001] The utility model relates to the field of milling dust reduction, in particular to a dust reduction device for a milling machine. Background Technique

[0002] In the construction of municipal engineering, the milling work of the original road surface before asphalt paving is essential. However, the dust generated by milling is also particularly serious, causing dust to fly at the construction site and seriously polluting the surrounding environment. Therefore, it is necessary to use milling dust reduction tools to inhibit the diffusion of dust. After retrieval, a milling machine dust reduction spray device disclosed in the patent with the application number CN201920045359.9 includes a water spray pipe, a switch and a water nozzle. The switch is arranged on the water spray pipe, and the water nozzle is located at the water spraying end of the water spray pipe. The water spray pipe includes a first water spray pipe, a second water spray pipe and a third water spray pipe. The first water spray pipe is located on both sides of the bottom of the first-stage conveyor belt of the milling machine, the second water spray pipe is located between the first-stage conveyor belt and the second-stage conveyor belt of the milling machine, and the third water spray pipe is located at the discharge port of the milling machine, which can effectively spray water at three stages where the milling machine is prone to generate smoke and dust, so as to achieve a good dust reduction and environmental protection purpose. However, the above description still has the following defects in actual use: the dust reduction device is not convenient to adjust the spraying direction during use, and at the same time, due to the different specifications of the milling machine, the structural dimensions of the spraying need to be adjusted. Therefore, it is necessary to design a dust reduction device for a milling machine with strong practicability. Content of the Utility Model

[0003] The purpose of the utility model is to provide a dust reduction device for a milling machine to solve the problems raised in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A dust reduction device for a milling machine includes an original water tank. The top of the original water tank is fixedly connected to the water inlet of a high-pressure pump through a water suction pipe. The water outlet of the high-pressure pump is installed and connected to a first spray component through a first three-way pipe. The top of the first three-way pipe is connected through a connecting pipe, and the other end of the connecting pipe is installed and connected to a second spray component through a second three-way pipe;

[0006] The first spraying assembly, the first spraying assembly includes two first elbows fixedly connected to both ends of the first three-way pipe, the surfaces of the bottoms of the two first elbows are fixedly connected to both sides of the original water tank through two connecting plates, the bottoms of the two first elbows are both fixedly connected with first telescopic pipes, the bottoms of the two first telescopic pipes are both fixedly connected with water storage plates, several first spraying covers are arranged on the opposite sides of the two water storage plates, two installation blocks are arranged at the bottoms of the two connecting plates, rotating holes and rotating grooves are respectively formed on the opposite sides of the two installation blocks, the inner walls of the rotating holes and the rotating grooves are rotationally connected to the surface of the adjusting shaft, and an adjusting knob is arranged at the other end of the adjusting shaft;

[0007] The second spraying assembly, the second spraying assembly includes two second elbows fixedly connected to both ends of the second three-way pipe, the other ends of the two second elbows are both fixedly connected with one ends of two second telescopic pipes through first installation joints, the other ends of the two second telescopic pipes are both fixedly connected with one ends of two third elbows through second installation joints, the other ends of the two third elbows are installed and connected with the third spraying assembly, and several second spraying covers are arranged on the surfaces of the second elbows, the second telescopic pipes and the third elbows.

[0008] As a preferred embodiment of the present invention: the third spraying assembly includes two third installation joints fixedly connected to the opposite ends of the two third elbows, the opposite sides of the two third installation joints are fixedly connected to both ends of a conduit, the surface of the conduit is fixedly connected with several spray pipes through several adjusting rings, and several third spraying covers are arranged on the surfaces of the several spray pipes.

[0009] As a preferred embodiment of the present invention: through holes are formed at the tops of the two connecting plates, and the inner walls of the through holes are inserted and connected with the surfaces of the first elbows.

[0010] As a preferred embodiment of the present invention: a first through hole is formed on the surface of the first installation joint, a second through hole is formed on the surface of the second installation joint, the inner walls of the first through hole and the second through hole are inserted and connected with the surface of a reinforcing rib, and limiting blocks are arranged at both ends of the reinforcing rib.

[0011] As a preferred embodiment of the present invention: first control valves are arranged on the surfaces of both ends of the first three-way pipe.

[0012] As a preferred embodiment of the present invention: second control valves are arranged on the surfaces of both ends of the second three-way pipe.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] (1) Drive the adjusting shaft to rotate in the rotating hole and rotating groove through the adjusting knob, so that the gap between the water storage plate and the two mounting blocks becomes loose. Rotate the water storage plate and then cooperate with the adjusting knob to tighten it with the two mounting blocks, realizing the adjustment of the spraying angle. The high-pressure pump cooperates with the water suction pipe to pump out the water in the original water tank. Open the two first control valves on the surface of the first three-way pipe. Water enters the two first telescopic pipes from the two first elbow pipes, then enters the two water storage plates, and then sprays out through a number of first spray covers to reduce dust at the milling drum of the milling machine.

[0015] (2) The first mounting joint and the second mounting joint cooperate with the first through hole and the second through hole to move on the surface of the reinforcing rib, and drive the second telescopic pipe to stretch. The movement range of the first mounting joint and the second mounting joint is limited by the cooperation of the two limit blocks, so as to realize the adjustment of the spraying size of the second spraying structure. The high-pressure pump pumps out the water in the original water tank, and then enters the second three-way pipe. Open the two second control valves to make the water enter the two second elbow pipes, the second telescopic pipe and the third elbow pipe, and cooperate with a number of second spray covers to spray out to reduce dust at the conveyor belt of the milling machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is a schematic structural diagram of the first spraying assembly of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the second spraying assembly and the third spraying assembly of the present utility model.

[0019] In the figure: 1, original water tank; 11, water suction pipe; 12, high-pressure pump; 13, first three-way pipe; 14, connecting pipe; 15, second three-way pipe; 16, first control valve; 17, second control valve; 2, first spraying assembly; 21, first elbow pipe; 22, connecting plate; 23, first telescopic pipe; 24, water storage plate; 25, first spray cover; 26, mounting block; 27, rotating hole; 28, rotating groove; 29, adjusting shaft; 210, adjusting knob; 211, through hole; 3, second spraying assembly; 31, second elbow pipe; 32, first mounting joint; 33, second telescopic pipe; 34, second mounting joint; 35, third elbow pipe; 36, second spray cover; 37, first through hole; 38, second through hole; 39, reinforcing rib; 310, limit block; 4, third spraying assembly; 41, third mounting joint; 42, conduit; 43, adjusting ring; 44, spraying pipe; 45, third spray cover. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the scope of protection of the present utility model.

[0021] Please refer to Figures 1 - 3 , a dust reduction device for a milling machine, including an original water tank 1. The top of the original water tank 1 is fixedly connected to the water inlet of a high-pressure pump 12 through a water suction pipe 11. The water outlet of the high-pressure pump 12 is installed and connected to a first spray assembly 2 through a first three-way pipe 13. The top of the first three-way pipe 13 is connected through a communication pipe 14. The other end of the communication pipe 14 is installed and connected to a second spray assembly 3 through a second three-way pipe 15;

[0022] Please refer to Figure 2 , the first spray assembly 2. The first spray assembly 2 includes two first elbow pipes 21 fixedly connected to both ends of the first three-way pipe 13. The surfaces of the bottoms of the two first elbow pipes 21 are fixedly connected to both sides of the original water tank 1 through two connecting plates 22. The bottoms of the two first elbow pipes 21 are both fixedly connected to a first telescopic pipe 23. The bottoms of the two first telescopic pipes 23 are both fixedly connected to a water storage plate 24. A number of first spray covers 25 are provided on the opposite sides of the two water storage plates 24. Two mounting blocks 26 are provided at the bottoms of the two connecting plates 22. Rotating holes 27 and rotating grooves 28 are respectively opened on the opposite sides of the two mounting blocks 26. The inner walls of the rotating holes 27 and the rotating grooves 28 are rotatably connected to the surface of an adjusting shaft 29. The other end of the adjusting shaft 29 is provided with an adjusting knob 210.

[0023] During specific use: The adjusting knob 210 drives the adjusting shaft 29 to rotate in the rotating hole 27 and the rotating groove 28, so that the gap between the water storage plate 24 and the two mounting blocks 26 becomes loose. Then rotate the water storage plate 24 and cooperate with the adjusting knob 210 to tighten it with the two mounting blocks 26 to achieve the adjustment of the spraying angle. The high-pressure pump 12 cooperates with the water suction pipe 11 to pump out the water in the original water tank 1. Open the two first control valves 16 on the surface of the first three-way pipe 13. Water enters the two first telescopic pipes 23 from the two first elbow pipes 21, then enters the two water storage plates 24, and then is sprayed out through a number of first spray covers 25 to reduce dust at the milling drum of the milling machine.

[0024] Please refer to Figure 3, the second spray assembly 3, the second spray assembly 3 includes two second bent pipes 31 fixedly connected to both ends of the second tee 15, the other ends of the two second bent pipes 31 are fixedly connected to one ends of two second telescopic pipes 33 through first mounting joints 32, the other ends of the two second telescopic pipes 33 are fixedly connected to one ends of two third bent pipes 35 through second mounting joints 34, the other ends of the two third bent pipes 35 are installed and connected to the third spray assembly 4, and a plurality of second spray covers 36 are provided on the surfaces of the second bent pipes 31, the second telescopic pipes 33 and the third bent pipes 35.

[0025] During specific use: The first mounting joint 32 and the second mounting joint 34 cooperate with the first through hole 37 and the second through hole 38 to move on the surface of the reinforcing rib 39, and drive the second telescopic pipe 33 to stretch, and cooperate with the two limit blocks 310 to limit the moving range of the first mounting joint 32 and the second mounting joint 34, so as to realize the adjustment of the spraying size of the second spray structure. The high-pressure pump 12 pumps the water in the original water tank 1, and then enters the second tee 15. Open the two second control valves 17 to make the water enter the two second bent pipes 31, the second telescopic pipes 33 and the third bent pipes 35, and cooperate with a plurality of second spray covers 36 to spray, so as to reduce the dust at the conveyor belt of the milling machine.

[0026] Please refer to Figure 3 , the third spray assembly 4 includes two third mounting joints 41 fixedly connected to the opposite ends of the two third bent pipes 35, the opposite sides of the two third mounting joints 41 are fixedly connected to both ends of the conduit 42, and the surface of the conduit 42 is fixedly connected to a plurality of spray pipes 44 through a plurality of adjusting rings 43, and a plurality of third spray covers 45 are provided on the surfaces of the plurality of spray pipes 44.

[0027] During specific use: The water in the two third bent pipes 35 flows into the conduit 42, and then enters the plurality of spray pipes 44, and cooperates with the plurality of third spray covers 45 to spray. By rotating the plurality of adjusting rings 43 on the surface of the conduit 42, it is convenient to adjust the spraying angle.

[0028] Please refer to Figure 2 , through holes 211 are opened at the tops of the two connecting plates 22, and the inner walls of the through holes 211 are inserted and connected to the surfaces of the first bent pipes 21.

[0029] During specific use: The surfaces of the two first bent pipes 21 are inserted and connected to the inner walls of the two through holes 211, so as to facilitate the installation and connection with the two connecting plates 22.

[0030] Please refer to Figure 3, a first through hole 37 is provided on the surface of the first mounting joint 32, and a second through hole 38 is provided on the surface of the second mounting joint 34. The inner walls of the first through hole 37 and the second through hole 38 are both inserted and connected to the surface of the reinforcing rib 39. Limiting blocks 310 are provided at both ends of the reinforcing rib 39.

[0031] During specific use: The first mounting joint 32 and the second mounting joint 34 cooperate with the first through hole 37 and the second through hole 38 to move on the surface of the reinforcing rib 39, and drive the second telescopic tube 33 to stretch. The two limiting blocks 310 are used to limit the moving range of the first mounting joint 32 and the second mounting joint 34, so as to realize the adjustment of the spraying size of the second spraying structure.

[0032] Please refer to Figure 2 , first control valves 16 are provided on the surfaces of both ends of the first tee 13.

[0033] During specific use: The two first control valves 16 on the surfaces of both ends of the first tee 13 are convenient for controlling the water flow in the pipeline.

[0034] Please refer to Figure 3 , second control valves 17 are provided on the surfaces of both ends of the second tee 15.

[0035] During specific use: The two second control valves 17 on the surfaces of both ends of the second tee 15 are convenient for controlling the water flow in the pipeline.

[0036] During use, the adjusting knob 210 drives the adjusting shaft 29 to rotate in the rotating hole 27 and the rotating groove 28, so that the gap between the water storage plate 24 and the two mounting blocks 26 becomes loose. Rotate the water storage plate 24 and then cooperate with the adjusting knob 210 to tighten it with the two mounting blocks 26 to realize the adjustment of the spraying angle. The high-pressure pump 12 cooperates with the water suction pipe 11 to pump out the water in the original water tank 1. Open the two first control valves 16 on the surface of the first tee 13, and the water enters the two first telescopic tubes 23 from the two first elbows 21, then enters the two water storage plates 24, and then sprays out through a plurality of first spray nozzles 25 to reduce dust at the milling drum of the milling machine; The first mounting joint 32 and the second mounting joint 34 cooperate with the first through hole 37 and the second through hole 38 to move on the surface of the reinforcing rib 39, and drive the second telescopic tube 33 to stretch. The two limiting blocks 310 are used to limit the moving range of the first mounting joint 32 and the second mounting joint 34, so as to realize the adjustment of the spraying size of the second spraying structure. The high-pressure pump 12 pumps out the water in the original water tank 1, then enters the second tee 15, and opens the two second control valves 17 to make the water enter the two second elbows 31, the second telescopic tube 33 and the third elbow 35, and cooperate with a plurality of second spray nozzles 36 to spray out to reduce dust at the conveyor belt of the milling machine.

[0037] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A dust suppression device for a milling machine, characterized in that: It comprises a raw water tank (1), the top of the raw water tank (1) is fixedly connected to the water inlet of a high-pressure pump (12) through a water pumping pipe (11), the water outlet of the high-pressure pump (12) is installed and connected to a first spray assembly (2) through a first three-way pipe (13), the top of the first three-way pipe (13) is connected through a connecting pipe (14), and the other end of the connecting pipe (14) is installed and connected to a second spray assembly (3) through a second three-way pipe (15); A first spray assembly (2), the first spray assembly (2) comprising two first curved pipes (21) fixedly connected to both ends of the first three-way pipe (13), the surfaces of the bottom ends of the two first curved pipes (21) being fixedly connected to both sides of the raw water tank (1) through two connecting plates (22), the bottoms of the two first curved pipes (21) being fixedly connected to first telescopic pipes (23), the bottoms of the two first telescopic pipes (23) being fixedly connected to water storage plates (24), a plurality of first spray covers (25) being provided on opposite sides of the two water storage plates (24), two mounting blocks (26) being provided on the bottoms of the two connecting plates (22), a rotation hole (27) and a rotation groove (28) being provided on opposite sides of the two mounting blocks (26), the inner walls of the rotation hole (27) and the rotation groove (28) being rotationally connected to the surface of an adjusting shaft (29), and an adjusting knob (210) being provided on the other end of the adjusting shaft (29); A second spray assembly (3), the second spray assembly (3) comprising two second curved pipes (31) fixedly connected to both ends of the second three-way pipe (15), the other ends of the two second curved pipes (31) being fixedly connected to one ends of two second telescopic pipes (33) via a first mounting joint (32), the other ends of the two second telescopic pipes (33) being fixedly connected to one ends of two third curved pipes (35) via a second mounting joint (34), the other ends of the two third curved pipes (35) being mounted and connected to the third spray assembly (4), and a plurality of second spray covers (36) being provided on the surfaces of the second curved pipes (31), the second telescopic pipes (33) and the third curved pipes (35).

2. A dust suppression device for a milling machine according to claim 1, characterized in that: The third spray assembly (4) comprises two third mounting joints (41) fixedly connected to opposite ends of the two third curved pipes (35); opposite sides of the two third mounting joints (41) are fixedly connected to two ends of a conduit (42); the surface of the conduit (42) is fixedly connected to a plurality of spray pipes (44) via a plurality of adjustment rings (43); and a plurality of third spray covers (45) are provided on the surfaces of the plurality of spray pipes (44).

3. A dust suppression device for a milling machine according to claim 1, characterized in that: A through hole (211) is provided on the top of each of the two connecting plates (22), and the inner wall of the through hole (211) is interlaced and connected with the surface of the first curved pipe (21).

4. A dust suppression device for a milling machine according to claim 1, characterized in that: A first through hole (37) is provided on the surface of the first mounting joint (32), and a second through hole (38) is provided on the surface of the second mounting joint (34). The inner walls of the first through hole (37) and the second through hole (38) are both interlaced and connected with the surface of the reinforcing rib (39), and limit blocks (310) are provided at both ends of the reinforcing rib (39).

5. The dust suppression device for a milling machine according to claim 1, characterized in that: First control valves (16) are provided on surfaces of both ends of the first three-way pipe (13).

6. A dust suppression device for a milling machine according to claim 1, characterized in that: Second control valves (17) are provided on the surfaces of both ends of the second three-way pipe (15).

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