CN117822407A - A water-saving dust-reducing cement pavement cutting machine and its use method - Google Patents

Abstract

The present invention relates to the technical field of road construction equipment, and specifically to a water-saving dust-reducing cement pavement cutting machine and a method of using the same, comprising a housing and a blade; the pavement cutting machine further comprises an adsorption device and an internal dust-reducing device; the adsorption device is arranged on one side of the housing, the adsorption device is a shell structure, an opening is arranged at the bottom of the adsorption device, the blade is rotatably arranged in the adsorption device and extends from the bottom of the adsorption device; the internal dust-reducing device is arranged inside the housing, the internal dust-reducing device is interconnected with the adsorption device, the adsorption device absorbs the air and dust around the blade and discharges them into the internal dust-reducing device, and the internal dust-reducing device can generate water mist. The present invention improves the utilization rate of water resources and also prolongs the working time of the pavement cutting machine.

Description

A water-saving dust-reducing cement pavement cutting machine and its use method

Technical Field

The invention relates to the technical field of road construction equipment, and in particular to a water-saving dust-reducing cement pavement cutting machine and a use method thereof.

Background technique

A road cutter is a tool for road maintenance and construction. When a road cutter is used, it will generate a lot of dust. Workers are prone to inhaling dust while working. Inhaling dust is harmful to the human body and can easily cause respiratory diseases. However, the dust collection efficiency of existing road cutters is not high.

Chinese patent CN217678528U discloses a road cutting machine, comprising: a frame including wheels; a driving device placed on the frame; a cutting disc mounted on the frame and connected to the driving device; a cutting cover mounted on the frame; a protective cover placed on the frame, one side of the protective cover is provided with an opening; a dust suction device placed on the frame, the dust suction device comprising a dust suction hood, and the dust suction hood corresponds to the opening. The driving device, cutting disc, cutting cover, protective cover and dust suction device are all installed on the frame. The frame is equipped with wheels to facilitate overall mobile transportation. The cutting disc is driven to rotate by the driving device, and the road surface is cut by the high-speed rotating cutting disc. The cutting cover is fixedly installed on the frame to protect the upper half of the cutting disc to improve the safety of use. The lower half of the cutting disc is protected by the protective cover. The protective cover is movably installed on the frame. When it is necessary to observe the cutting disc, the protective cover can be raised. When the road surface cutting starts, the protective cover is lowered to increase the protection against dust generated by cutting, so that most of the dust is discharged through the opening and collected by the dust suction device. The dust suction hood corresponds to the opening to improve the efficiency and collection effect of dust collection.

Although the above scheme can effectively reduce the dust formed around the road cutting machine during cutting, it needs to spray a large amount of water mist on the outside, which has high requirements on its own water storage capacity. That is, after a long period of cutting operation, the road cutting machine's own water storage capacity will gradually be consumed, and the water resource consumption is high. At the same time, when operating in an area far away from a water source, when the road cutting machine's own water source is used up, the road cutting machine in the above scheme loses its dust removal function.

Summary of the invention

In view of the above problems, a water-saving dust-reducing cement pavement cutting machine and a method for using the same are provided. When the pavement cutting machine is in operation, the blade generates dust when cutting the pavement, and the adsorption device adsorbs the dust around the blade. At the same time, the first atomizer in the adsorption device forms a layer of water mist around the working end of the blade, thereby blocking part of the dust that is not adsorbed by the adsorption device in time and allowing the part of the dust that is not adsorbed by the adsorption device in time to be adsorbed for the second time by the adsorption device. After the dust enters the internal dust reduction device, the airflow deceleration device first decelerates the airflow mixed with dust, and then passes the airflow mixed with dust into the water tank, thereby partially removing the dust from the pavement. Some of the dust is mixed into the clean water in the water tank and gradually precipitates, while some impurities that are not mixed into the clean water enter the interception device with the air under the guidance of the bubble guide device. The interception device is full of water vapor. After the bubbles carry the dust into the interception device, the dust will be fully mixed with the water vapor, and the gas will be discharged from the sponge in the interception device. The sponge itself also has dust interception properties, which can ensure that all dust will not overflow from the interception device. At the same time, during the entire use process, there is no water loss except for some water loss at the first atomizer, which improves the utilization rate of water resources and also extends the working time of the road cutting machine.

In order to solve the problems of the prior art, the present invention provides a water-saving dust-reducing cement pavement cutting machine, comprising a shell and a blade; the pavement cutting machine also comprises an adsorption device and an internal dust-reducing device; the adsorption device is arranged on one side of the shell, the adsorption device is a shell structure, an opening is arranged at the bottom of the adsorption device, the blade is rotatably arranged in the adsorption device and protrudes from the bottom of the adsorption device; the internal dust-reducing device is arranged inside the shell, the internal dust-reducing device and the adsorption device are connected to each other, the adsorption device absorbs the air and dust around the blade and discharges them into the internal dust-reducing device, and the internal dust-reducing device can generate water mist.

Preferably, the absorption device further comprises a first atomizer, which is an annular structure, is located above the working end of the blade, is arranged around the blade and the atomizing end of the first atomizer is vertically downward.

Preferably, the internal dust reduction device includes a pre-dust reduction device and an intercepting device; the pre-dust reduction device is arranged inside the outer shell, the pre-dust reduction device and the adsorption device are interconnected, and clean water is stored at the bottom of the pre-dust reduction device; the intercepting device is arranged on one side of the pre-dust reduction device, the intercepting device is a cavity structure, and water mist is stored in the cavity structure, the pre-dust reduction device passes the air and dust discharged by the adsorption device into the clean water at the bottom of the pre-dust reduction device, and then the air and dust enter the intercepting device.

Preferably, the pre-dust reduction device includes an airflow deceleration device, a bubble guide device and a water trough; the airflow deceleration device is arranged inside the outer shell, the airflow deceleration device is a cavity structure, and the input end size of the airflow deceleration device is smaller than the output end size of the airflow deceleration device; the water trough is arranged below the airflow deceleration device, the water trough is filled with clean water, the bottom of the airflow deceleration device extends to the bottom of the clean water, and the gas in the airflow deceleration device enters the water trough to generate bubbles; the bubble guide device is arranged in the airflow deceleration device, and the bubble guide device is used to guide the bubbles in the water trough to enter the interception device.

Preferably, the intercepting device includes an intercepting bin, a mounting frame, a sponge and a second atomizer; the intercepting bin is arranged on one side of the airflow deceleration device along the length direction of the outer shell, the intercepting bin is arranged on the upper part of the water tank and communicated with the water tank, and the water in the water tank covers the bottom of the intercepting bin; the mounting frame is horizontally fixed in the intercepting bin, the mounting frame is located above the liquid level in the water tank, and there is a gap between the mounting frame and the liquid level in the water tank; the sponge is fixed on the mounting frame, and the sponge, the side wall of the intercepting bin and the liquid level in the water tank form a cavity structure; the second atomizer is arranged on the side wall of the cavity structure, and the second atomizer injects the atomized water vapor into the cavity structure.

Preferably, the intercepting device also includes a water return device, which is vertically arranged in the intercepting bin, and the bottom of the water return device is located below the liquid surface of the water tank. The water return device divides the cavity structure into a first cavity and a second cavity. The first cavity is filled with water vapor, and the upper part of the second cavity is open. Excess water on the sponge flows back to the water tank through the second cavity.

Preferably, the internal dust reduction device also includes a water level control device, which is arranged on the side wall of the interception bin and is used to control the liquid level in the water tank.

Preferably, the internal dust reduction device also includes a cleaning device, which is arranged on the side wall of the water tank and can spray clean water on the bottom of the water tank.

Preferably, the road cutting machine further comprises a cooling device, which is arranged on one side of the blade, the cooling device is in contact with the side wall of the blade, and water is stored in the cooling device.

The present invention also relates to a method for using a water-saving dust-reducing cement pavement cutting machine, and the specific steps are as follows:

S1. The road cutting machine is started, the blade contacts the cement road surface and generates dust, the first atomizer in the absorption device atomizes the area around the blade, and the adsorption device absorbs the air, water vapor and dust around the blade;

S2. The adsorption device discharges the adsorbed air, water vapor and dust into the pre-dust reduction device. The pre-dust reduction device passes the air, water vapor and dust into water. Part of the water vapor and dust are combined with the water. The air carries the remaining water vapor and dust and enters the interception device under the guidance of the bubble guide device.

S3. The cavity structure formed by the interception device completely intercepts dust and water vapor, and the air is discharged through the interception device. The liquid level at the bottom of the interception device is controlled in real time by the water level control device to be higher than the bottom of the interception device. After the operation of the road cutting machine is completed, the upper layer of clean water in the water tank is recovered by the water level control device for secondary use.

Compared with the prior art, the present invention has the following beneficial effects:

The present invention is provided with an adsorption device and an internal dust reduction device. When the road cutting machine is running, the blade cuts the road surface to generate dust. The adsorption device adsorbs the dust around the blade. At the same time, the first atomizer in the adsorption device forms a layer of water mist around the working end of the blade, so that part of the dust that is not adsorbed by the adsorption device in time can be blocked and the part of the dust that is not adsorbed by the adsorption device in time can be adsorbed by the adsorption device for the second time. After the dust enters the internal dust reduction device, the airflow deceleration device first decelerates the airflow mixed with dust, and then flows the airflow mixed with dust into the water tank. In this way, part of the dust is mixed into the water tank. The dust is mixed with water vapor and then enters the interception device. The dust is fully mixed with water vapor, and the gas is discharged from the sponge in the interception device. The sponge itself also has dust interception properties, so it can ensure that all dust will not overflow from the interception device. At the same time, during the entire use process, there is no water loss except for some water loss at the first atomizer, which improves the utilization rate of water resources and extends the working time of the road cutting machine.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a perspective schematic diagram of a water-saving dust-reducing cement pavement cutting machine.

FIG. 2 is a second perspective schematic diagram of a water-saving dust-reducing cement pavement cutting machine.

FIG. 3 is a side view of a water-saving dust-reducing cement pavement cutting machine.

Fig. 4 is a schematic cross-sectional view of the A-A portion of Fig. 3 of a water-saving dust-reducing cement pavement cutting machine.

FIG. 5 is a cross-sectional perspective schematic diagram of a water-saving dust-reducing cement pavement cutting machine.

FIG. 6 is a partial enlarged schematic diagram of a water-saving dust-reducing cement pavement cutting machine at point B in FIG. 5 .

FIG. 7 is a second cross-sectional perspective schematic diagram of a water-saving dust-reducing cement pavement cutting machine.

FIG. 8 is a partial enlarged schematic diagram of a water-saving dust-reducing cement pavement cutting machine at point C in FIG. 7 .

FIG. 9 is a three-dimensional schematic diagram of a water-saving dust-reducing cement pavement cutting machine with the cover removed.

FIG. 10 is a schematic sectional perspective view of a water-saving dust-reducing cement pavement cutting machine with the outer shell and the cover removed.

The numbers in the figure are:

1. Shell; 2. Blade; 3. Absorption device; 31. Fan; 32. Cover; 33. First atomizer; 4. Internal dust suppression device; 41. Pre-dust suppression device; 411. Air flow deceleration device; 4111. Accommodation bin; 4112. Ventilation pipe; 4113. Extension pipe; 412. Guide plate; 413. Sink; 42. Interception device; 421. Interception bin; 422. Mounting frame; 423. Sponge; 424. Second atomizer; 425. Water return device; 4251. Partition; 43. Water level control device; 431. Water supply device; 4311. Water tank; 4312. Pump body; 432. Water pipe; 44. Cleaning device; 441. Sprinkler; 442. Switch valve; 5. Cooling device; 51. Cooling box; 52. Water dipping wheel.

Detailed ways

In order to further understand the features, technical means, specific objectives and functions of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

Referring to Figures 1, 2, 6, 8 and 9: A water-saving dust-reducing cement pavement cutting machine comprises a shell 1 and a blade 2; the pavement cutting machine also comprises an adsorption device and an internal dust-reducing device 4; the adsorption device is arranged on one side of the shell 1, the adsorption device is a shell structure, an opening is arranged at the bottom of the adsorption device, the blade 2 is rotatably arranged in the adsorption device and protrudes from the bottom of the adsorption device; the internal dust-reducing device 4 is arranged inside the shell 1, the internal dust-reducing device 4 is connected with the adsorption device, the adsorption device absorbs the air and dust around the blade 2 and discharges them into the internal dust-reducing device 4, and the internal dust-reducing device 4 can generate water mist.

The absorption device 3 includes a fan 31 and a cover shell 32. The cover shell 32 is sleeved on the outside of the blade 2. The blade 2 rotates in the cover shell 32. The fan 31 is arranged at the upper part of the cover shell 32. The fan 31 draws the air in the cover shell 32 into the internal dust reduction device 4. When the air in the cover shell 32 is drawn out, the air around the working end of the blade 2 will flow into the cover shell 32, thereby achieving the purpose of drawing out the dust around the blade 2. The axis of the blade 2 is parallel to the width direction of the shell 1. A lifting slide is vertically arranged on one side of the shell 1 close to the absorption device. The lifting slide drives the absorption device to move along the height direction of the shell 1. Since the blade 2 is arranged in the absorption device, when the absorption device moves along the height direction of the shell 1, the blade 2 located in the absorption device moves synchronously with the absorption device. Since the lower side of the blade 2 protrudes from the opening at the bottom of the absorption device, the blade 2 protruding from the opening of the absorption device The part is called the working end. When cutting the cement pavement, the working end of the blade 2 contacts the cement pavement and cuts the cement pavement. The dust generated by the cutting of the blade 2 is distributed around the blade 2, and the adsorption device is also distributed around the blade 2, and the adsorption device can absorb the air and dust around the blade 2, so that the dust distributed around the blade 2 will be sucked away by the adsorption device, thus preventing the dust from floating everywhere after the blade 2 cuts. The dust sucked away by the adsorption device enters the internal dust reduction device 4, and the internal dust reduction device 4 mixes the floating dust with the water mist inside it. The combination of water mist and dust falls into the clean water in the internal dust reduction device 4 and settles, so that the dust settles at the bottom of the internal dust reduction device 4, and the water mist mixed with dust is reintegrated into the clean water of the internal dust reduction device 4, thus forming a recycling of water sources and saving water resources.

1 and 2 : the absorption device 3 further comprises a first atomizer 33 , which is an annular structure and is located above the working end of the blade 2 . The first atomizer 33 is arranged around the blade 2 and the atomizing end of the first atomizer 33 is vertically downward.

The water source of the first atomizer 33 is supplied by the internal dust suppression device 4. The first atomizer 33 is fixedly arranged at the bottom of the cover 32. When the road cutting machine cuts the cement road surface, the blade 2 generates a large amount of dust during the cutting process, and the dust will spread around the blade 2. However, since the adsorption device can adsorb the air and dust at the opening of the adsorption device into the internal dust suppression device 4, most of the dust can be sucked into the internal dust suppression device 4 by the adsorption device. The first atomizer 33 with an annular structure forms a circle of water mist layer around the blade 2, so that part of the dust that has not been adsorbed by the adsorption device in time is sucked into the internal dust suppression device 4. The dust will be blocked by the water mist layer, and the dust and water mist combine to form a combination, which enters the internal dust reduction device 4 under the adsorption of the adsorption device. In this way, the water mist layer formed by the water mist sprayed by the first atomizer 33 can isolate the dust in the cover 32 as much as possible, avoiding the impact of dust on the health of the workers after the dust is scattered. At the same time, the adsorption device can adsorb the combination of dust and water mist into the internal dust reduction device 4, so that the water source will not be discharged blindly, but a circulation is formed, thereby improving the utilization rate of the water source. In the absence of external water source replenishment, the endurance of the road cutting machine is improved.

Referring to Figures 4 to 6: the internal dust reduction device 4 includes a pre-dust reduction device 41 and an intercepting device 42; the pre-dust reduction device 41 is arranged inside the outer shell 1, the pre-dust reduction device 41 is interconnected with the adsorption device, and clean water is stored at the bottom of the pre-dust reduction device 41; the intercepting device 42 is arranged on one side of the pre-dust reduction device 41, the intercepting device 42 is a cavity structure, and water mist is stored in the cavity structure, the pre-dust reduction device 41 passes the air and dust discharged from the adsorption device into the clean water at the bottom of the pre-dust reduction device 41, and then the air and dust enter the intercepting device 42.

Referring to Figures 4 and 7: the pre-dust reduction device 41 includes an airflow deceleration device 411, a bubble guiding device and a water tank 413; the airflow deceleration device 411 is arranged inside the outer shell 1, the airflow deceleration device 411 is a cavity structure, the input end size of the airflow deceleration device 411 is smaller than the output end size of the airflow deceleration device 411; the water tank 413 is arranged below the airflow deceleration device 411, the water tank 413 is filled with clean water, the bottom of the airflow deceleration device 411 extends to the lower part of the clean water, and the gas in the airflow deceleration device 411 enters the water tank 413 to generate bubbles; the bubble guiding device is arranged on the airflow deceleration device 411, and the bubble guiding device is used to guide the bubbles in the water tank 413 to enter the interception device 42.

The interconnected end of the airflow deceleration device 411 and the adsorption device is the input end of the airflow deceleration device 411. The airflow deceleration device 411 includes a storage bin 4111, a vent pipe 4112 and an extension pipe 4113. The storage bin 4111 is arranged inside the housing 1. The upper size of the storage bin 4111 is smaller than the lower size of the storage bin 4111. The vent pipe 4112 is arranged between the storage bin 4111 and the fan 31. The fan 31 introduces the airflow into the storage bin 4111 through the vent pipe 4112. The vent pipe 4112 is connected to the upper part of the storage bin 4111. The flow rate of the airflow will decrease after entering the storage chamber 4111. A plurality of extension tubes 4113 are arranged at the bottom of the storage chamber 4111 along the height direction of the shell 1. The extension tubes 4113 are arranged at the bottom of the storage chamber 4111 along the width direction of the shell 1. The bottom of the extension tubes 4113 extends below the liquid level in the water tank 413. After the airflow enters the storage chamber 4111, it is discharged into the water tank 413 through the extension tubes 4113, so that bubbles are generated below the liquid level in the water tank 413. The bubble guiding device includes a guide plate 412, which is arranged along the length direction of the shell 1. The receiving chamber 4111 is inclined from bottom to top toward the interception device 42. The bubbles in the water tank 413 fit with the bottom of the guide plate 412 under the action of buoyancy and enter the interception chamber 421 under the guidance of the guide plate 412. The bottom of the water tank 413 is inclined along the length direction of the shell 1. The bottom of the water tank 413 close to the receiving chamber 4111 is higher than the bottom of the water tank 413 away from the receiving chamber 4111. In this way, after the dust is mixed with the clean water in the water tank 413, the dust is gathered at the lower position of the bottom of the water tank 413 under the guidance of the inclined direction of the bottom of the water tank 413. One side, and the lower side of the bottom of the water tank 413 is far away from the bubble generating area, and the bubble generating area refers to the bottom area around the extension tube 4113. This is because the extension tube 4113 discharges gas into the water tank 413 below the liquid surface, which will generate bubbles, and the bubbles will stir the water near the extension tube 4113, so that the water near the extension tube 4113 is always in motion, which makes the dust in the area unable to settle well. Under the guidance of the inclination of the bottom of the water tank 413, when the dust rolling in the water leaves the area, it can gradually settle.

Referring to Figure 6: the interception device 42 includes an interception chamber 421, a mounting frame 422, a sponge 423 and a second atomizer 424; the interception chamber 421 is arranged on one side of the airflow deceleration device 411 along the length direction of the outer shell 1, and the interception chamber 421 is arranged on the upper part of the water tank 413 and communicates with the water tank 413, and the water in the water tank 413 covers the bottom of the interception chamber 421; the mounting frame 422 is horizontally fixedly arranged in the interception chamber 421, the mounting frame 422 is located above the liquid level in the water tank 413, and there is a gap between the mounting frame 422 and the liquid level in the water tank 413; the sponge 423 is fixedly arranged on the mounting frame 422, and the side walls of the sponge 423 and the interception chamber 421 and the liquid level in the water tank 413 form a cavity structure; the second atomizer 424 is arranged on the side wall of the cavity structure, and the second atomizer 424 injects the atomized water vapor into the cavity structure.

The thickness of the sponge 423 should not be too thick. When the airflow deceleration device 411 injects air mixed with dust into the water tank 413, bubbles are generated. The bubbles enter the interception chamber 421 under the guidance of the bubble guiding device. The second atomizer 424 injects water vapor into the cavity structure in the interception chamber 421, so that the cavity structure is filled with water vapor. After the bubbles enter the interception chamber 421, they will mix with the water vapor. The water vapor mixes with the impurities in the bubbles and drives the impurities to descend, and the air in the bubbles is discharged from the sponge 423. Therefore, the sponge 423 should not be too thick, otherwise the air pressure in the interception chamber 421 will be too high, which will cause the water level at the bottom of the interception groove to be pressed down, and some bubbles will leak out from the cavity structure in the interception chamber 421. By setting the cavity structure, the dust can be completely filtered.

Referring to Figures 4 and 6: the interception device 42 also includes a water return device 425, which is vertically arranged in the interception bin 421. The bottom of the water return device 425 is located below the liquid surface of the water tank 413. The water return device 425 divides the cavity structure into a first cavity and a second cavity. The first cavity is filled with water vapor, and the upper part of the second cavity is open. Excess water on the sponge 423 flows back to the water tank 413 through the second cavity.

The water return device 425 includes a partition 4251, which is vertically arranged in the interception chamber 421 along the height direction of the shell 1. The partition 4251 divides the interception chamber 421 into a first cavity and a second cavity along the height direction of the shell 1. The bubble guide device guides the bubbles into the first cavity. The first cavity is formed by the liquid surface in the water tank 413 forming a liquid seal with the bottom of the interception chamber 421, the sponge 423, the side wall of the interception chamber 421 and the partition 4251. When the bubble guide device guides the gas to the first cavity, the gas is , the gas passes through the sponge 423, while the dust and water vapor are blocked by the sponge 423. Since the water vapor contacts the sponge 423 for a long time, the sponge 423 is wetted. Therefore, when the gas passes through the sponge 423, the water in the sponge 423 is squeezed out, and the squeezed water can be discharged back to the water tank 413 through the second cavity. By setting the thickness of the sponge 423 to be thinner, the resistance of the gas passing through the sponge 423 can be reduced, thereby preventing some bubbles from being discharged from the second cavity due to excessive resistance in the first cavity.

4 , 5 and 10 : the internal dust reduction device 4 further includes a water level control device 43 , which is disposed on the side wall of the interception bin 421 , and is used to control the liquid level in the water tank 413 .

The water level control device 43 controls the liquid level in the water tank 413 so that the liquid level in the water tank 413 is always below the bottom of the interception chamber 421, so that the bottom of the interception chamber 421 can be sealed by the liquid surface in the water tank 413. The water level control device 43 includes a water supply device 431, a water level sensor and a water pipe 432. The water supply device 431 is arranged on one side of the interception chamber 421, the water level sensor is arranged on the inner wall of the interception chamber 421, and the water pipe 432 is arranged at the bottom of the water supply device 431 along the height direction of the shell 1. The water device 431 includes a water tank 4311 and a pump body 4312. The water tank 4311 is arranged on the upper part of the water pipe 432. The water pipe 432 is communicated with the water tank 4311. The pump body 4312 is arranged on the water pipe 432. The pump body 4312 pumps the water in the water tank 4311 into the water tank 413 through the water pipe 432. At the same time, the water in the water tank 413 can be pumped back to the water tank 4311 through the water pipe 432. The water tank 4311 supplies water to the first atomizer 33. When the water level in the interception chamber 421 gradually decreases, the inner wall of the interception chamber 421 The water level sensor on the top can detect the water level. When the water level sensor cannot detect the water level, it means that the water level is too low. The pump body 4312 is started, and the pump body 4312 pumps the water in the water tank 4311 into the water tank 413 through the water pipe 432, so that the water level in the water tank 413 gradually rises, thereby ensuring that the bottom of the interception chamber 421 is always liquid-sealed. After the road cutting machine is used, the blade 2 stops for a period of time. At this time, no bubbles are generated in the water tank 413, and the dust in the water tank 413 will gradually settle in the water. At this time, the pump body 4312 is turned on, and the pump body 4312 pumps the clean water in the upper layer of the water tank 413 back to the water tank 4311 through the water pipe 432 until the bottom of the water pipe 432 is higher than the liquid level in the water tank 413. At this time, the water in the water tank 413 cannot be pumped out, thereby improving the utilization rate of water resources. It is worth noting that when the water source is sufficient, the water in the water tank 4311 can be replaced in time to avoid long-term use of recycled water, which may cause blockage of the first atomizer 33 and the second atomizer 424 using the water in the water tank 4311.

4 and 5 : the internal dust reduction device 4 further includes a cleaning device 44 , which is disposed on the side wall of the water tank 413 , and can spray clean water on the bottom of the water tank 413 .

The cleaning device 44 is arranged at the end of the water tank 413 along the length direction of the shell 1. The bottom height of one end of the water tank 413 provided with the cleaning device 44 is higher than the end of the water tank 413 without the cleaning device 44. In this way, after the cleaning device 44 sprays water, the water flow will begin to slide down along the inclined direction of the bottom of the water tank 413, and the flowing water flow will wash away the sediment at the bottom of the water tank 413. The cleaning device 44 includes a water sprayer 441 and a switch valve 442. The water sprayer 441 is arranged at the end of the water tank 413 with a higher bottom height of the water tank 413. The switch valve 442 is arranged at the opposite end of the water tank 413 provided with the water sprayer 441 along the length direction of the shell 1. After the water sprayer 441 is turned on, the switch valve 442 is also turned on synchronously, so that the water flow sprayed by the water sprayer 441 can wash away the sediment at the bottom of the water tank 413, and the sewage and sediment can be discharged from the switch valve 442.

8 : the road cutting machine further comprises a cooling device 5 , which is arranged on one side of the blade 2 , the cooling device 5 is in contact with the side wall of the blade 2 , and water is stored in the cooling device 5 .

The water tank 4311 supplies water to the cooling device 5, and the cooling device 5 includes a cooling box 51 and a dipping wheel 52. The dipping wheel 52 is rotatable along the height direction of the shell 1 and is arranged on the side of the blade 2. There are two dipping wheels 52, and the two dipping wheels 52 are symmetrically arranged about the blade 2. The cooling box 51 is arranged on the upper part of the dipping wheel 52. The cooling box 51 supplies water to the dipping wheel 52. The dipping wheel 52 is always in a wet state under the supply of water source in the cooling box 51. The dipping wheel 52 contacts the side wall of the blade 2 and moistens the side wall of the blade 2, so that the blade 2 can be cooled without consuming too much water.

Referring to Figures 1 to 10: The present invention also relates to a method for using a water-saving dust-reducing cement pavement cutting machine, and the specific steps are as follows:

S1, the road cutting machine is started, the blade 2 contacts the cement road surface and generates dust, the first atomizer 33 in the absorption device 3 atomizes the area around the blade 2, and the adsorption device absorbs the air, water vapor and dust around the blade 2;

S2, the adsorption device discharges the adsorbed air, water vapor and dust into the pre-dust reduction device 41, the pre-dust reduction device 41 passes the air, water vapor and dust into water, part of the water vapor and dust are combined with the water, and the air carries the remaining water vapor and dust into the interception device 42 under the guidance of the bubble guide device;

S3. The cavity structure formed by the interception device 42 completely intercepts dust and water vapor, and the air is discharged through the interception device 42. The liquid level at the bottom of the interception device 42 is controlled in real time by the water level control device 43 to be higher than the bottom of the interception device 42. After the operation of the road cutting machine is completed, the upper layer of clean water in the water tank 413 is recovered by the water level control device 43 for secondary use.

The above embodiments only express one or several implementation modes of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the attached claims.

Claims (7)

1. A dust fall type cement pavement cutting machine capable of saving water source comprises a shell (1) and a blade (2);

the pavement cutter is characterized by further comprising an adsorption device and an internal dust falling device (4);

the adsorption device is arranged on one side of the shell (1), the adsorption device is of a shell structure, an opening is formed in the bottom of the adsorption device, and the blade (2) is rotatably arranged in the adsorption device and protrudes out of the bottom of the adsorption device;

the inner dust-settling device (4) is arranged in the shell (1), the inner dust-settling device (4) is communicated with the adsorption device, the adsorption device sucks air and dust around the blade (2) and discharges the air and dust into the inner dust-settling device (4), and the inner dust-settling device (4) can generate water mist;

the absorption device (3) further comprises a first atomizer (33), the first atomizer (33) is of an annular structure, the first atomizer (33) is located above the working end of the blade (2), the first atomizer (33) is arranged around the blade (2), and the atomizing end of the first atomizer (33) is vertically downward;

the internal dust settling device (4) comprises a pre-dust settling device (41) and an interception device (42);

the pre-dust-settling device (41) is arranged in the shell (1), the pre-dust-settling device (41) is communicated with the adsorption device, and clear water is stored at the bottom of the pre-dust-settling device (41);

the intercepting device (42) is arranged on one side of the pre-dust-settling device (41), the intercepting device (42) is of a cavity structure, water mist exists in the cavity structure, the pre-dust-settling device (41) enables air and dust discharged by the adsorption device to be introduced into clear water at the bottom of the pre-dust-settling device (41), and then the air and the dust enter the intercepting device (42);

the pre-dust-settling device (41) comprises an airflow speed reducing device (411), a bubble guiding device and a water tank (413);

the air flow speed reducing device (411) is arranged in the shell (1), the air flow speed reducing device (411) is of a cavity structure, and the size of the input end of the air flow speed reducing device (411) is smaller than that of the output end of the air flow speed reducing device (411);

the water tank (413) is arranged below the air flow speed reducing device (411), clean water is contained in the water tank (413), the bottom of the air flow speed reducing device (411) extends to the lower part of the clean water, and air in the air flow speed reducing device (411) enters the water tank (413) to generate bubbles;

the bubble guiding device is arranged on the airflow decelerating device (411) and is used for guiding bubbles in the water tank (413) into the intercepting device (42).

2. A dust fall type cement pavement cutter saving water source as set forth in claim 1, wherein the interception means (42) comprises an interception bin (421), a mounting frame (422), a sponge (423) and a second atomizer (424);

the interception bin (421) is arranged on one side of the airflow speed reducing device (411) along the length direction of the shell (1), the interception bin (421) is arranged on the upper part of the water tank (413) and is communicated with the water tank (413), and water in the water tank (413) is overflowed from the bottom of the interception bin (421);

the installation frame (422) is horizontally and fixedly arranged in the interception bin (421), the installation frame (422) is positioned above the liquid level in the water tank (413), and a gap is reserved between the installation frame (422) and the liquid level in the water tank (413);

the sponge (423) is fixedly arranged on the mounting frame (422), and the side walls of the sponge (423) and the interception bin (421) and the liquid level in the water tank (413) form a cavity structure;

the second atomizer (424) is arranged on the side wall of the cavity structure, and the second atomizer (424) injects atomized water vapor into the cavity structure.

3. The dust fall type cement pavement cutting machine capable of saving water sources according to claim 2, wherein the interception device (42) further comprises a water return device (425), the water return device (425) is vertically arranged in the interception bin (421), the bottom of the water return device (425) is located below the liquid level of the water tank (413), the water return device (425) divides the cavity structure into a first cavity and a second cavity, the first cavity is filled with water vapor, the upper portion of the second cavity is open, and redundant water on the sponge (423) flows back into the water tank (413) through the second cavity.

4. A dust fall type cement pavement cutter saving water source as set forth in claim 2, wherein the inner dust fall device (4) further comprises a water level control device (43), the water level control device (43) is provided on a side wall of the interception bin (421), and the water level control device (43) is used for controlling a liquid level in the water tank (413).

5. The water-saving dust-settling cement pavement cutter as claimed in claim 1, wherein the inner dust settling device (4) further comprises a cleaning device (44), the cleaning device (44) is arranged on the side wall of the water tank (413), and the cleaning device (44) can spray clean water to the bottom of the water tank (413).

6. The dust fall type cement pavement cutting machine capable of saving water sources according to claim 1, further comprising a cooling device (5), wherein the cooling device (5) is arranged on one side of the blade (2), the cooling device (5) is in contact with the side wall of the blade (2), and water is stored in the cooling device (5).

7. A method for using the dust fall type cement pavement cutter capable of saving water source, which is characterized by comprising the following specific steps:

s1, starting a pavement cutting machine, enabling a blade (2) to be in contact with a cement pavement and generate dust, atomizing the periphery of the blade (2) by a first atomizer (33) in an absorption device (3), and sucking air, water vapor and dust around the blade (2) by an absorption device;

s2, the adsorption device discharges the adsorbed air, water vapor and dust into a pre-dust-settling device (41), the pre-dust-settling device (41) introduces the air, the water vapor and the dust into water, part of the water vapor and the dust are combined with the water, and the air brings the residual water vapor and the residual dust into an interception device (42) under the guidance of a bubble guiding device;

s3, completely intercepting dust and water vapor by a cavity structure formed by the intercepting device (42), discharging air through the intercepting device (42), controlling the liquid level at the bottom of the intercepting device (42) to be higher than the bottom of the intercepting device (42) in real time through the water level control device (43), and recycling upper clear water in the water tank (413) through the water level control device (43) after the operation of the pavement cutting machine is finished, so that the pavement cutting machine can be used for the second time.