Earth excavation device with dust falling function

Abstract

The earth excavation device with the dust falling function comprises an earth excavation mechanism composed of an excavator body, a cantilever and an excavator bucket, mist spraying cylinders are arranged on the outer walls of the two sides of the end, close to the excavator bucket, of the cantilever and comprise cylinder bodies and fans, the cylinder bodies are connected with the outer walls of the cantilever through connecting bases, and the fans are arranged on the cylinder bodies. One end of the barrel faces the excavator bucket, the fan is installed on the inner wall of the end, away from the excavator bucket, of the barrel, the inner wall of the barrel is provided with a connecting pipe, the outer wall of the connecting pipe is connected with a plurality of sprayers, a water tank is arranged at the rear end of the excavator body, a water pump is arranged on the outer wall of the top end of the water tank, and the water inlet end of the water pump is connected with the interior of the water tank. The water outlet end of the water pump communicates with the connecting pipe through a water conveying hose. According to the dust suppression device, through the arrangement of the fixing base, the mist spraying cylinder, the water tank, the water pump and the water conveying hose, water mist is sprayed to the excavator bucket during earthwork excavation, and raised dust is suppressed.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to an earth excavation device with a dust reduction function. Background Art

[0002] Road construction, as the whole process of planning, designing, constructing, maintaining and managing roads and the engineering entities involved, is the main part of municipal construction in a city and has a high priority. In the process of road construction, it is necessary to excavate earth in a large area. Currently, earth is mainly excavated by excavators and transported by transport vehicles.

[0003] After searching, the Chinese patent publication number CN217053513U discloses an earth-moving excavation equipment with a positioning function for road construction, including a cab, a revolving body is installed on the outer side of the cab, the upper end of the revolving body is fixedly connected to an upper bearing plate, the lower end of the upper bearing plate is provided with a groove, the middle part of the right end of the revolving body is fixedly connected to a perspective window, the lower end of the revolving body is fixedly connected to a chassis, the front and rear ends of the chassis are movably connected to a driving crawler belt, and the middle part of the upper end of the upper bearing plate is fixedly connected to a driving device.

[0004] This patent solves the defects of low excavation efficiency and high error rate of excavation area in existing projects by arranging a driving device, a cantilever assembly and an excavation assembly on the entire device, which greatly avoids various excavation accidents. Dust will be generated during the excavation process, and dust suppression is currently mainly carried out through fog cannons. Fog cannons are inconvenient to move, and it is not convenient to suppress dust according to the excavation position during the excavation process. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an earth excavation device with a dust reduction function.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A kind of earth excavation device with dust reduction function comprises an excavation mechanism consisting of an excavator body, a cantilever and a bucket, the outer walls of both sides of the cantilever close to one end of the bucket are provided with spray cylinders, the spray cylinder comprises a cylinder body and a fan, the cylinder body is connected to the outer wall of the cantilever through a connecting seat, one end of the cylinder body faces the bucket, the fan is installed on the inner wall of the cylinder body away from the bucket end, a connecting pipe is provided on the inner wall of the cylinder body, a plurality of nozzles are connected to the outer wall of the connecting pipe, a water tank is provided at the rear end of the excavator body, a water pump is provided on the outer wall of the top end of the water tank, a water inlet end of the water pump is connected to the inside of the water tank, and a water outlet end of the water pump is connected to the connecting pipe through a water hose.

[0008] As a further solution of the utility model: the water outlet of the nozzle faces the fan, and a blocking net is provided on the outer wall of one end of the cylinder close to the fan.

[0009] As a further solution of the utility model: the water delivery hose is fixed to the outer wall of the cantilever through a fixing seat, and a water filling port is provided on the side wall of the water tank.

[0010] As a further solution of the utility model: a water level display assembly is arranged on one side of the water tank, and the water level display assembly includes a box body and a float block, the box body is fixed to the outer wall of one side of the water tank, and the bottom end of the box body is connected to the water tank, and the float block is slidably connected to the inner wall of the box body.

[0011] As a further solution of the utility model: the top end of the floating block is connected to an elastic telescopic rod, and the top end of the elastic telescopic rod is connected to a fixing plate.

[0012] As a further solution of the utility model: the elastic telescopic rod is at the same height as the water tank.

[0013] As a further solution of the utility model: an extrusion block is fixed to the outer wall of the bottom end of the fixing plate, a micro switch is fixed to one side of the inner wall of the box body, and the extrusion block is opposite to the micro switch.

[0014] As a further solution of the utility model: a buzzer is installed on the outer wall of the top end of the water tank.

[0015] Compared with the prior art, the utility model provides an earth excavation device with dust reduction function, which has the following beneficial effects:

[0016] 1. The utility model is provided with a fixing seat, a spray barrel, a water tank, a water pump and a water delivery hose. When excavating earth, water mist is sprayed toward the bucket to suppress dust.

[0017] 2. The utility model is provided with a water level display assembly, and the water level can be observed through a transparent observation window on one side of the box body, so that the water amount in the water tank can be checked easily.

[0018] 3. The utility model is provided with a buzzer, a fixing plate, an extrusion block and a micro switch. When the water in the water tank is used up, the float block drops to the bottom of the tank body, the extrusion block contacts the micro switch, and an electrical signal is transmitted to the controller, causing the buzzer to sound a warning and the water pump to shut down at the same time, thereby preventing the water tank from idling and causing damage.

[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1This is a schematic diagram of the overall structure of an earth excavation device with dust reduction function proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a spray barrel of an earth excavation device with dust reduction function proposed by the utility model;

[0022] Figure 3 This is a structural schematic diagram of a water level display assembly for an earth excavation device with a dust reduction function proposed by the utility model;

[0023] Figure 4 The utility model is a partial structural schematic diagram of a water level display component of an earth excavation device with a dust reduction function.

[0024] In the figure: 1. excavator body; 2. cantilever; 3. bucket; 4. fixed seat; 5. spray cylinder; 6. water tank; 7. water pump; 8. water hose; 9. water inlet; 10. cylinder; 11. fan; 12. barrier net; 13. connecting pipe; 14. nozzle; 15. water level display assembly; 16. buzzer; 17. box; 18. floating block; 19. elastic telescopic rod; 20. fixing plate; 21. extrusion block; 22. micro switch. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0027] Example 1

[0028] An earth excavation device with dust suppression function, such as Figure 1 , Figure 2As shown, the excavator comprises an excavator body 1, a boom 2 and a bucket 3. The outer walls of both sides of the boom 2 near the bucket 3 are provided with spray barrels 5. The spray barrel 5 comprises a barrel body 10 and a fan 11. The barrel body 10 is connected to the outer wall of the boom 2 through a connecting seat. One end of the barrel body 10 faces the bucket 3. The fan 11 is installed on the inner wall of the barrel body 10 away from the bucket 3. The inner wall of the barrel body 10 is provided with a connecting pipe 13. The outer wall of the connecting pipe 13 is connected to multiple A nozzle 14 is provided, and the water outlet of the nozzle 14 faces the fan 11. A blocking net 12 is provided on the outer wall of one end of the cylinder 10 close to the fan 11. A water tank 6 is provided at the rear end of the excavator body 1. A water pump 7 is provided on the outer wall of the top end of the water tank 6. The water inlet end of the water pump 7 is connected to the inside of the water tank 6. The water outlet end of the water pump 7 is connected to the connecting pipe 13 through a water hose 8. The water hose 8 is fixed to the outer wall of the cantilever 2 through a fixing seat 4. A water filling port 9 is provided on the side wall of the water tank 6.

[0029] During earth excavation, the water pump 7 is started to transport the water in the water tank 6 to the nozzle 14 through the water hose 8 and the connecting pipe 13. The nozzle 14 sprays water mist. At the same time, the fan 11 is started, and the high-speed airflow collides with the water mist to make the water mist more dispersed. At the same time, the airflow can accelerate the diffusion of the water mist after it is sprayed from the cylinder 10. The water mist is sprayed to the bucket 3 to suppress dust.

[0030] By arranging the fixing base 4, the spraying barrel 5, the water tank 6, the water pump 7 and the water delivery hose 8, water mist is sprayed toward the bucket 3 during earth excavation to suppress the raised dust.

[0031] Example 2

[0032] A soil excavation device with dust suppression function, based on the embodiment 1, this embodiment makes the following improvements, such as Figure 1 , Figure 3 and Figure 4 As shown, a water level display component 15 is provided on one side of the water tank 6, and the water level display component 15 includes a box body 17 and a float 18, the box body 17 is fixed to the outer wall of one side of the water tank 6, and the bottom end of the box body 17 is connected to the water tank 6, the float 18 is slidably connected to the inner wall of the box body 17, the top of the float 18 is connected to an elastic telescopic rod 19, the elastic telescopic rod 19 has the same height as the water tank 6, the top of the elastic telescopic rod 19 is connected to a fixed plate 20, the outer wall of the bottom end of the fixed plate 20 is fixed with an extrusion block 21, a micro switch 22 is fixed on one side of the inner wall of the box body 17, the extrusion block 21 and the micro switch 22 are opposite to each other, a buzzer 16 is installed on the outer wall of the top end of the water tank 6, the micro switch 22 is electrically connected to the controller, the buzzer 16 is connected to the controller circuit, and a transparent observation window is provided on the outer wall of one side of the box body 17.

[0033] When water is stored in the water tank 6, since the box body 17 is connected to the bottom end of the water tank 6, the water level inside the box body 17 is the same as the water level height of the water tank 6, and the water level can be observed through the transparent observation window on one side of the box body 17. At the same time, the buoyancy of the water pushes the float 18 to rise, the squeezing block 21 contacts and disengages from the micro switch 22, and the elastic telescopic rod 19 is compressed. When the water level drops, the float 18 drops, and the elastic telescopic rod 19 extends first. When the elastic telescopic rod 19 is fully extended, the fixed plate 20 drops with the float 18. When the water in the water tank 6 is used up, the float 18 drops to the bottom of the box body 17, the squeezing block 21 contacts and the micro switch 22, and the electrical signal is transmitted to the controller, causing the buzzer 16 to issue a sound warning. At the same time, the water pump 7 is turned off to prevent damage caused by idling of the water tank 6.

[0034] By providing the water level display assembly 15 , the water level can be observed through the transparent observation window on one side of the box body 17 , so as to facilitate the inspection of the water amount in the water tank 6 .

[0035] By setting the buzzer 16, the fixing plate 20, the squeezing block 21 and the micro switch 22, when the water in the water tank 6 is used up, the float 18 drops to the bottom of the tank body 17, the squeezing block 21 contacts the micro switch 22, and the electrical signal is transmitted to the controller, causing the buzzer 16 to issue a sound warning, and at the same time the water pump 7 is turned off to prevent the water tank 6 from idling and causing damage.

[0036] Working principle: During earth excavation, the water pump 7 is started to deliver the water in the water tank 6 to the nozzle 14 through the water hose 8 and the connecting pipe 13. The nozzle 14 sprays water mist. At the same time, the fan 11 is started, and the high-speed airflow collides with the water mist to make the water mist more dispersed. At the same time, the airflow can accelerate the diffusion of the water mist after it is sprayed from the cylinder 10. The water mist is sprayed to the bucket 3 to suppress dust. When water is stored in the water tank 6, since the box 17 is connected to the bottom of the water tank 6, the water level in the box 17 is the same as the water level in the water tank 6, and the transparent observation window on one side of the box 17 can be used to observe the dust. Observe the water level. At the same time, the buoyancy of the water pushes the float 18 up, the squeezing block 21 disengages from the microswitch 22, and the elastic telescopic rod 19 is compressed. When the water level drops, the float 18 drops, and the elastic telescopic rod 19 extends first. When the elastic telescopic rod 19 is fully extended, the fixed plate 20 drops with the float 18. When the water in the water tank 6 is used up, the float 18 drops to the bottom of the tank 17, the squeezing block 21 contacts the microswitch 22, and the electrical signal is transmitted to the controller, causing the buzzer 16 to issue a sound warning. At the same time, the water pump 7 is turned off to prevent the water tank 6 from idling and causing damage.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An earth excavation device with dust reduction function, comprising an excavation mechanism consisting of an excavator body (1), a boom (2) and a bucket (3), characterized in that: The cantilever (2) is provided with spray cylinders (5) on the outer walls of both sides of one end close to the bucket (3), and the spray cylinder (5) comprises a cylinder body (10) and a fan (11). The cylinder body (10) is connected to the outer wall of the cantilever (2) through a connecting seat, and one end of the cylinder body (10) faces the bucket (3). The fan (11) is installed on the inner wall of the cylinder body (10) away from the bucket (3). The inner wall of the cylinder body (10) is provided with a connecting pipe (13), and the outer wall of the connecting pipe (13) is connected to a plurality of nozzles (14). The rear end of the excavator body (1) is provided with a water tank (6), and the outer wall of the top end of the water tank (6) is provided with a water pump (7). The water inlet end of the water pump (7) is connected to the inside of the water tank (6), and the water outlet end of the water pump (7) is connected to the connecting pipe (13) through a water hose (8).

2. The earth excavation device with dust suppression function according to claim 1, characterized in that: The water outlet of the nozzle (14) faces the fan (11), and a blocking net (12) is provided on the outer wall of one end of the cylinder (10) close to the fan (11).

3. The earth excavation device with dust suppression function according to claim 1, characterized in that: The water delivery hose (8) is fixed to the outer wall of the cantilever (2) via a fixing seat (4), and a water inlet (9) is provided on the side wall of the water tank (6).

4. The earth excavation device with dust suppression function according to claim 1, characterized in that: A water level display assembly (15) is provided on one side of the water tank (6), and the water level display assembly (15) comprises a box body (17) and a float (18), wherein the box body (17) is fixed to an outer wall of one side of the water tank (6), and the bottom end of the box body (17) is connected to the water tank (6), and the float (18) is slidably connected to the inner wall of the box body (17).

5. The earth excavation device with dust suppression function according to claim 4, characterized in that: The top end of the floating block (18) is connected to an elastic telescopic rod (19), and the top end of the elastic telescopic rod (19) is connected to a fixing plate (20).

6. The earth excavation device with dust suppression function according to claim 5, characterized in that: The elastic telescopic rod (19) is at the same height as the water tank (6).

7. The earth excavation device with dust suppression function according to claim 5, characterized in that: An extrusion block (21) is fixed to the outer wall of the bottom end of the fixing plate (20), and a micro switch (22) is fixed to one side of the inner wall of the box body (17), and the extrusion block (21) and the micro switch (22) are located opposite to each other.

8. The earth excavation device with dust suppression function according to claim 4, characterized in that: A buzzer (16) is installed on the outer wall of the top end of the water tank (6).

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