Dust falling device for asphalt road construction

Abstract

The utility model relates to the field of road construction, and discloses a dust falling device for asphalt road construction, which comprises a support frame, the lower end of the support frame is fixedly connected with a base, the front end of the outer arc surface of the support frame is fixedly connected with a light-transmitting plate, and the upper end of the support frame is provided with a rotary spraying device. A dustproof device is arranged at the lower end of the rotary spraying device, the rotary spraying device comprises a rotary bin, a sealing bearing is fixedly connected to the lower end of the inner surface of the rotary bin, and a water inlet pipe is fixedly connected to the end, away from the rotary bin, of the sealing bearing. Through the arrangement of the rotating bin, the sealing bearing, the water inlet pipe, the water pump, the water tank and the spray head, the rotating bin can be pushed to rotate through the counter-acting force of water mist sprayed out of the spray head after the water pump pressurizes water, and the spray head can synchronously rotate along with the rotating bin in the rotating process, so that the dust falling spraying range of the device is expanded; and the spraying process does not depend on external environment wind power.

Description

Technical Field

[0001] The utility model relates to the field of road construction, in particular to a dust suppression device for asphalt road construction. Background Art

[0002] Asphalt road construction refers to the process of paving roads using asphalt mixture as the main material. At the same time, asphalt roads have the advantages of good durability, short construction period and low maintenance cost, so they are widely used in modern road construction.

[0003] After searching, the Chinese patent announcement number: CN220460238U discloses a dust suppression device for municipal road engineering construction. When in use, the fan blade body on the top of the rotating frame drives the rotating frame to rotate under the action of wind force, and the balls inside the receiving frame roll when in contact with the external pipe, so as to realize the free rotation of the rotating frame. At the same time, the docking frame rotates freely on the installation end, so that the atomizer rotates synchronously with the rotating frame, so that the water mist sprayed from the water mist outlet can cover the surrounding dust in all directions, thereby improving the actual effect of dust suppression.

[0004] However, in actual use, due to the differences in actual construction sites and actual use environments, the external environmental wind force cannot ensure that the upper fan is always in a rotating state during the dust reduction process. Therefore, its actual spraying and dust reduction range is limited, and it cannot adapt to the dust reduction construction process in different environments. Therefore, a dust reduction device for asphalt road construction is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a dust suppression device for asphalt road construction, aiming to improve the problem in the prior art that the continuous existence of wind cannot be guaranteed during the process of expanding the range of water spraying dust suppression driven by wind.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a dust suppression device for asphalt road construction, comprising a support frame, the lower end of the support frame is fixedly connected to a base, the upper end of the outer arc surface of the support frame is fixedly connected to a light-transmitting plate, the upper end of the support frame is provided with a rotary spray device, and the lower end of the rotary spray device is provided with a dust prevention device;

[0007] The rotary spray device includes a rotating bin, a sealed bearing is fixedly connected to the lower end of the inner surface of the rotating bin, an end of the sealed bearing away from the rotating bin is fixedly connected to a water inlet pipe, the lower end of the water inlet pipe is fixedly connected to a water pump, the lower end of the water pump is fixedly connected to a water tank, and the lower end of the rotating bin is fixedly connected to a spray head.

[0008] As a further description of the above technical solution:

[0009] The dustproof device includes a sleeve rod, the inner arc surface of the sleeve rod is fixedly connected to a dust shield plate, the inner surface of the dust shield plate is fixedly connected to a fixed shaft, the outer arc surface of the fixed shaft is rotatably connected to a connecting shaft, and the lower end of the outer arc surface of the connecting shaft is fixedly connected to a shielding plate.

[0010] As a further description of the above technical solution:

[0011] A rectangular through hole is provided on the front surface of the support frame, the base is configured as a truncated cone as a whole, and the interior of the support frame is hollow.

[0012] As a further description of the above technical solution:

[0013] A through hole is provided at the upper end of the support frame, a through hole is provided at the center of the lower surface of the rotating bin, and a plurality of groups of through holes are provided at the lower surface of the rotating bin.

[0014] As a further description of the above technical solution:

[0015] The water pump is connected to the rotating bin through a water inlet pipe, the lower end of the water pump extends to the inside of the water tank through a pipeline, the outer arc surface of the water pump is fixedly connected to the support frame, the outer arc surface of the water tank is fixedly connected to the support frame, and the nozzle is arranged as a whole to be inclined outward.

[0016] As a further description of the above technical solution:

[0017] The upper end of the sleeve rod is fixedly connected to the rotating bin, the inner arc surface of the sleeve rod is fixedly connected to the spray head, and the sleeve rod is in a circular ring shape as a whole.

[0018] As a further description of the above technical solution:

[0019] A rectangular groove is formed at the lower end of the dust shield, and the outer arc surface of the fixed shaft is elastically connected to the connecting shaft through a spiral spring.

[0020] As a further description of the above technical solution:

[0021] A through hole is provided at the center of the inner surface of the connecting shaft, the lower end of the shielding plate is arranged in an arc shape, and the outer surface of the shielding plate is in contact with the nozzle.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model is provided with a rotating bin, a sealed bearing, a water inlet pipe, a water pump, a water tank, and a nozzle. After the water pump pressurizes the water, the reaction force of the water mist sprayed out of the nozzle can drive the rotating bin as a whole to rotate, and during the rotation process, the nozzle can rotate synchronously with the rotating bin, thereby expanding the dust reduction spraying range of the device, and there is no need to rely on the external environment wind during the spraying process.

[0024] 2. The dust shield plate, sleeve rod, fixed shaft, connecting shaft and shielding plate provided in the utility model can automatically shield the nozzle by the elastic force of the spiral spring when the nozzle is not spraying water mist, thereby preventing a large amount of dust in the external environment from accumulating at the nozzle when the device is not in use, thereby affecting the efficiency of subsequent spraying operations and increasing the overall service life of the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a dust suppression device for asphalt road construction proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the cross section of a rotary chamber of a dust suppression device for asphalt road construction proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of a cross-section of a support frame of a dust suppression device for asphalt road construction proposed by the utility model;

[0028] Figure 4 This is a schematic diagram of a cross-section of a sleeve rod of a dust suppression device for asphalt road construction proposed by the utility model;

[0029] Figure 5 This is a schematic diagram of the cross section of a dust shield of a dust suppression device for asphalt road construction proposed by the utility model.

[0030] Legend:

[0031] 1. Support frame; 2. Rotary spray device; 3. Dust-proof device; 4. Base; 5. Light-transmitting plate; 201. Rotary bin; 202. Sealed bearing; 203. Water inlet pipe; 204. Water pump; 205. Water tank; 206. Spray nozzle; 301. Dust-proof plate; 302. Sleeve rod; 303. Fixed shaft; 304. Connecting shaft; 305. Shielding plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Reference Figure 1-Figure 3 The utility model provides an embodiment: a dust suppression device for asphalt road construction, comprising a support frame 1, a base 4 is fixedly connected to the lower end of the support frame 1, a light-transmitting plate 5 is fixedly connected to the upper end of the outer arc surface of the support frame 1, a rotary spray device 2 is arranged at the upper end of the support frame 1, and a dust prevention device 3 is arranged at the lower end of the rotary spray device 2;

[0034] The rotary spray device 2 includes a rotating bin 201, a sealed bearing 202 is fixedly connected to the lower end of the inner surface of the rotating bin 201, an end of the sealed bearing 202 away from the rotating bin 201 is fixedly connected to a water inlet pipe 203, and the lower end of the water inlet pipe 203 is fixedly connected to a water pump 204, which is a pressurized water pump in the prior art, so that it can provide sufficient pressure to the water inside the upper rotating bin 201 during operation, the lower end of the water pump 204 is fixedly connected to the water tank 205, and the lower end of the rotating bin 201 is fixedly connected to a nozzle 206.

[0035] A rectangular through hole is provided on the front surface of the support frame 1, so that the light-transmitting plate 5 can be accommodated therein, the base 4 is configured as a truncated cone as a whole, and the interior of the support frame 1 is hollow, so that the water tank 205 and the water pump 204 can be accommodated therein, and a through hole is provided on the upper end of the support frame 1, so that the water inlet pipe 203 above the water pump 204 can pass through, and a through hole is provided at the center of the lower surface of the rotating chamber 201, so that it can be fixedly connected with the outer ring of the sealed bearing 202, and a plurality of groups of through holes are provided on the lower surface of the rotating chamber 201, so that it can It is connected to multiple groups of inclined nozzles 206 below, and the water pump 204 is connected to the rotating bin 201 through the water inlet pipe 203. The lower end of the water pump 204 extends to the inside of the water tank 205 through a pipeline, so that it can pump the water stored in the water tank 205 into the upper rotating bin 201. The outer arc surface of the water pump 204 is fixedly connected to the support frame 1, and the outer arc surface of the water tank 205 is fixedly connected to the support frame 1. The nozzle 206 is arranged as a whole to be inclined outward, so that when the nozzle 206 sprays water mist outward, it can provide thrust for its rotation along the tangential direction of the rotating bin 201.

[0036] Reference Figure 2 , Figure 4 as well as Figure 5The dustproof device 3 includes a sleeve rod 302, the inner arc surface of the sleeve rod 302 is fixedly connected to a dust shield plate 301, the inner surface of the dust shield plate 301 is fixedly connected to a fixed shaft 303, the outer arc surface of the fixed shaft 303 is rotatably connected to a connecting shaft 304, and the lower end of the outer arc surface of the connecting shaft 304 is fixedly connected to a shielding plate 305.

[0037] The upper end of the sleeve rod 302 is fixedly connected to the rotating bin 201, and the inner arc surface of the sleeve rod 302 is fixedly connected to the nozzle 206. The sleeve rod 302 is annular as a whole, so it can be located on the outer arc surface of the nozzle 206. The lower end of the dust shield 301 is provided with a rectangular groove, so it can accommodate the connecting shaft 304 and the baffle 305 therein. The outer arc surface of the fixed shaft 303 is elastically connected to the connecting shaft 304 by a volute spring, so that the volute spring can always use its own elastic force to give the connecting shaft 304 and the baffle 305 a force to move toward the nozzle 206. A through hole is provided at the center of the inner surface of the connecting shaft 304, so it can accommodate the fixed shaft 303 therein. The lower end of the baffle 305 is set to an arc shape, so it is not easy to produce motion interference with the sleeve rod 302 during rotation, and the outer surface of the baffle 305 is in contact with the nozzle 206.

[0038] Working principle: When the device is used, it needs to be transported to the designated area, and the water pump 204 is started to continuously transport the water inside the water tank 205 to the upper rotating bin 201, and a certain pressure is given to the water inside the rotating bin 201. At this time, the water inside the rotating bin 201 will be sprayed out by the atomizing nozzle 206. At the same time, due to the reaction force of the sprayed water mist, the rotating bin 201 will be synchronously driven to rotate, and the nozzle 206 can rotate synchronously and spray water mist to the surrounding environment to reduce dust.

[0039] At the same time, when the device is not in use, the volute spring will drive the connecting shaft 304 to rotate toward the nozzle 206 through its own elastic force, and the baffle plate 305 at the lower end of the connecting shaft 304 will also be synchronously driven to rotate toward the nozzle 206 and remain close to the nozzle 206, thereby preventing dust in the external environment from contacting the nozzle 206. When the nozzle 206 starts to spray water mist, the thrust of the water mist sprayed from the nozzle 206 will synchronously push the baffle plate 305 away from the nozzle 206, so that the sprayed water mist can be fully sprayed into the external environment.

[0040] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A dust suppression device for asphalt road construction, comprising a support frame (1), characterized in that: The lower end of the support frame (1) is fixedly connected to a base (4), the outer curved surface of the support frame (1) is fixedly connected to a light-transmitting plate (5), the upper end of the support frame (1) is provided with a rotary spray device (2), and the lower end of the rotary spray device (2) is provided with a dustproof device (3); The rotary spray device (2) comprises a rotary bin (201), the lower end of the inner surface of the rotary bin (201) being fixedly connected to a sealing bearing (202), one end of the sealing bearing (202) away from the rotary bin (201) being fixedly connected to a water inlet pipe (203), the lower end of the water inlet pipe (203) being fixedly connected to a water pump (204), the lower end of the water pump (204) being fixedly connected to a water tank (205), and the lower end of the rotary bin (201) being fixedly connected to a spray head (206).

2. A dust suppression device for asphalt road construction according to claim 1, characterized in that: The dustproof device (3) comprises a sleeve rod (302), the inner arc surface of the sleeve rod (302) is fixedly connected to a dust shield plate (301), the inner surface of the dust shield plate (301) is fixedly connected to a fixed shaft (303), the outer arc surface of the fixed shaft (303) is rotatably connected to a connecting shaft (304), and the lower end of the outer arc surface of the connecting shaft (304) is fixedly connected to a shielding plate (305).

3. A dust suppression device for asphalt road construction according to claim 1, characterized in that: A rectangular through hole is provided on the front surface of the support frame (1); the base (4) is configured as a truncated cone as a whole; and the interior of the support frame (1) is hollow.

4. A dust suppression device for asphalt road construction according to claim 1, characterized in that: A through hole is provided at the upper end of the support frame (1), a through hole is provided at the center of the lower surface of the rotating bin (201), and a plurality of groups of through holes are provided at the lower surface of the rotating bin (201).

5. The dust suppression device for asphalt road construction according to claim 1, characterized in that: The water pump (204) is connected to the rotating bin (201) via a water inlet pipe (203); the lower end of the water pump (204) extends to the inside of the water tank (205) via a pipeline; the outer arc surface of the water pump (204) is fixedly connected to the support frame (1); the outer arc surface of the water tank (205) is fixedly connected to the support frame (1); and the nozzle (206) is arranged as a whole to be inclined outward.

6. A dust suppression device for asphalt road construction according to claim 2, characterized in that: The upper end of the sleeve rod (302) is fixedly connected to the rotating bin (201), the inner arc surface of the sleeve rod (302) is fixedly connected to the spray head (206), and the sleeve rod (302) is in a circular ring shape as a whole.

7. A dust suppression device for asphalt road construction according to claim 2, characterized in that: A rectangular groove is provided at the lower end of the dust shield (301), and the outer arc surface of the fixed shaft (303) is elastically connected to the connecting shaft (304) via a spiral spring.

8. A dust suppression device for asphalt road construction according to claim 2, characterized in that: A through hole is provided at the center of the inner surface of the connecting shaft (304), the lower end of the shielding plate (305) is arranged in an arc shape, and the outer surface of the shielding plate (305) is in contact with the nozzle (206).

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