CN113373844A - Cleaning vehicle - Google Patents
Cleaning vehicle Download PDFInfo
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- CN113373844A CN113373844A CN202110741807.0A CN202110741807A CN113373844A CN 113373844 A CN113373844 A CN 113373844A CN 202110741807 A CN202110741807 A CN 202110741807A CN 113373844 A CN113373844 A CN 113373844A
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- air
- collecting device
- dust
- pipe
- garbage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0863—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles
- E01H1/0872—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles with mechanical loosening or feeding instruments for the dirt to be removed pneumatically, e.g. brushes, scrapers
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cleaning Of Streets, Tracks, Or Beaches (AREA)
Abstract
本发明公开了一种清扫车，包括：车体；收集装置，收集装置设于车体的底部，收集装置用于收集与其位置相对应的区域的垃圾；第一刷体，第一刷体设于车体，第一刷体用于将地面的垃圾扫入与收集装置相对应的区域内；集尘箱，集尘箱设于车体，集尘箱内限定有集尘空间；导流管，导流管的第一端与收集装置连通，导流管的第二端与集尘空间的上部连通，导流管将收集装置收集的垃圾导流至集尘箱；回风管，回风管的第一端与集尘空间的上部连通，回风管的第二端与收集装置连通，回风管将集尘箱内的空气回流至收集装置；风机，风机设于回风管，以使回风管内的气体流通。根据本发明实施例的清扫车能够实现闭环空气循环，可以保证没有脏空气排放到外部环境中。
The invention discloses a cleaning vehicle, comprising: a vehicle body; a collecting device, the collecting device is arranged at the bottom of the vehicle body, and the collecting device is used for collecting garbage in an area corresponding to its position; a first brush body, the first brush body is provided with In the vehicle body, the first brush body is used to sweep the garbage on the ground into the area corresponding to the collecting device; the dust collecting box is arranged on the vehicle body, and the dust collecting space is defined in the dust collecting box; the guide pipe , the first end of the guide pipe is connected with the collection device, the second end of the guide pipe is connected with the upper part of the dust collecting space, the guide pipe guides the garbage collected by the collecting device to the dust collecting box; the return air pipe, the return air The first end of the pipe is communicated with the upper part of the dust collection space, and the second end of the return air pipe is communicated with the collection device, and the return air pipe returns the air in the dust box to the collection device; Circulate the air in the return air duct. The sweeper according to the embodiment of the present invention can realize closed-loop air circulation, which can ensure that no dirty air is discharged into the external environment.
Description
Technical Field
The invention relates to the technical field of special vehicles, in particular to a sweeper.
Background
With the rapid development of economic stability and urbanization process in China, the road cleaning area is increased year by year, and the domestic garbage is rapidly increased. As one of environmental sanitation devices, road-sweeping vehicles are widely used for sweeping roads such as main roads, municipal roads, airport pavement, urban residential areas, and parks. The road sweeper can sweep garbage, ensure the attractiveness of a road, maintain the sanitation of the environment, maintain the good working condition of the road surface, reduce and prevent traffic accidents and further prolong the service life of the road surface.
The road sweeper in the current market is in various types, wherein the market share of the suction sweeper is more than 95%. The suction sweeping type sweeper adopts an open type air circulation system, namely, a fan is connected with a horizontal garbage collection device in the middle of a vehicle, garbage is sucked into a dust collection box under the action of negative pressure formed by an air blower, and then air is discharged through an air channel at the top of a carriage.
Sweepers employing such open air circulation systems exhibit three main drawbacks in use:
firstly, the raise dust is great, and although the side dish brush of vehicle both sides and the horizontal post brush at middle part can alleviate to some extent through the water spray dust fall mode, because the open dust exhaust design of dust collection box, there is dust still to have some passage discharge through the carriage top in the air incidentally.
Secondly, the cleaning effect is not thorough, dust is attached to the road surface after being mainly wetted by a spray pipe at the bottom of the vehicle, and the dust can still float to the air along with the air flow after the moisture is evaporated.
Thirdly, although the water spraying dust fall has a certain effect, the water consumption is large, and the road surface is easy to freeze in winter to form traffic accidents.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the sweeper which adopts the closed-loop air circulation system, so that the sweeping effect can be further improved, and the raised dust is reduced.
The invention provides a sweeper, comprising: a vehicle body; the collecting device is arranged at the bottom of the vehicle body and is used for collecting garbage in an area corresponding to the position of the collecting device; the first brush body is arranged on the vehicle body and used for sweeping garbage on the ground into an area corresponding to the collecting device; the dust collection box is arranged on the vehicle body, and a dust collection space is limited in the dust collection box; the first end of the flow guide pipe is communicated with the collecting device, the second end of the flow guide pipe is communicated with the upper part of the dust collecting space, and the flow guide pipe guides the garbage collected by the collecting device to the dust collecting box; the first end of the air return pipe is communicated with the upper part of the dust collecting space, the second end of the air return pipe is communicated with the collecting device, and the air return pipe returns the air in the dust collecting box to the collecting device; and the fan is arranged in the air return pipe so as to enable the gas in the air return pipe to circulate.
According to the sweeper provided by the embodiment of the invention, the sweeper body, the collecting device, the first brush body, the dust collecting box, the flow guide pipe, the return air pipe and the fan are combined, so that not only can the sweeping of garbage be realized, but also the air circulation system with a closed-loop design can be realized, and the air with dust can not be discharged to the external environment.
According to one embodiment of the invention, the second end of the flow guide tube extends in a horizontal direction, and the first end of the return air duct is arranged spaced apart from the second end of the flow guide tube.
According to one embodiment of the invention, the second end of the draft tube is provided with two outlets, the two outlets are arranged on two sides of the vehicle body at intervals along the width direction of the vehicle body, and the first end of the return air tube is arranged between the two outlets.
According to one embodiment of the invention, the level of the second end of the draft tube is higher than the level of the first end of the return air tube.
According to an embodiment of the invention, the sweeper further comprises a filter, the filter is arranged between the second end of the flow guide pipe and the first end of the return air pipe, the filter is provided with an upper surface and a lower surface, the lower surface is an air inlet surface extending obliquely relative to the horizontal direction, and an included angle formed between the lower surface and the horizontal plane is an acute angle.
According to one embodiment of the invention, the collecting device comprises: the box body is internally provided with an accommodating space, the first end of the flow guide pipe and the second end of the air return pipe are respectively communicated with the accommodating space, and the box body is provided with an inlet communicated with the accommodating space; the air curtain machine is arranged in the box body, and the air flow blown out by the air curtain machine blows the objects in the accommodating space away from the ground and enters the flow guide pipe; the side wall baffles are arranged at the inlet and positioned at the left side, the right side and the rear side of the inlet; the second brush body is arranged at the inlet and positioned on the front side of the inlet so as to form a closed space surrounding the inlet together with the side wall.
According to an embodiment of the invention, the collecting device further comprises: the supporting wheels are arranged on the left side and the right side of the box body, and the second brush body is connected with the supporting wheels and moves synchronously; the third brush body is arranged at the inlet and is positioned at the rear side of the inlet, and the third brush body is connected with the supporting wheel and moves synchronously.
According to one embodiment of the present invention, the third brush body and the second brush body are both roll brushes, and the third brush body and the second brush body rotate in opposite directions.
According to an embodiment of the invention, the collecting device further comprises: the first guide plate is arranged between the air curtain machine and the flow guide pipe so as to guide the garbage in the accommodating space into the flow guide pipe; and the second guide plate is arranged between the air return pipe and the air curtain machine so as to guide the gas in the air return pipe into the accommodating space.
According to one embodiment of the invention, the air outlet of the air curtain machine faces the first end of the draft tube and extends obliquely downwards relative to the horizontal direction.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of an angled interior configuration of a sweeper truck according to the present invention;
FIG. 2 is a schematic view of the internal structure of a sweeper truck according to the present invention at yet another angle;
FIG. 3 is a schematic view of a partial internal structure of the sweeper truck according to the present invention;
FIG. 4 is a schematic view showing the internal structure of the collecting device of the sweeper truck according to the present invention;
fig. 5 is a partial internal structural view of the sweeper truck according to the present invention.
Reference numerals:
a sweeper 100;
a vehicle body 10;
a collecting device 20;
a case 21; the accommodation space 211; an inlet 212;
an air curtain machine 22; a side rail 23; a second brush body 24; the support wheels 25; a third brush body 26; a first baffle 27;
a second baffle 28; a first front flow guide plate 281; a second front flow guide plate 282;
a first brush body 30;
a dust box 40; a dust collecting space 41;
a draft tube 50; an outlet 51;
a return duct 60; an upper return air duct 61; a lower return air duct 62;
a fan 70;
a filter 80;
and (4) garbage 200.
Detailed Description
Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.
A sweeper 100 according to an embodiment of the present invention will now be described with reference to figures 1 to 5.
As shown in fig. 1 to 5, a sweeper truck 100 according to an embodiment of the present invention includes: the cleaning device comprises a vehicle body 10, a collecting device 20, a first brush body 30, a dust collection box 40, a draft tube 50, a return air duct 60 and a fan 70.
Specifically, the collecting device 20 is disposed at the bottom of the vehicle body 10, the collecting device 20 is used for collecting garbage 200 in an area corresponding to the position of the collecting device, the first brush 30 is disposed on the vehicle body 10, the first brush 30 is used for sweeping the garbage 200 on the ground into the area corresponding to the collecting device 20, the dust box 40 is disposed on the vehicle body 10, a dust collecting space 41 is defined in the dust box 40, a first end of the guide pipe 50 is communicated with the collecting device 20, a second end of the guide pipe 50 is communicated with the upper portion of the dust collecting space 41, the guide pipe 50 guides the garbage 200 collected by the collecting device 20 to the dust box 40, a first end of the return air pipe 60 is communicated with the upper portion of the dust collecting space 41, a second end of the return air pipe 60 is communicated with the collecting device 20, the return air pipe 60 returns air in the dust box 40 to the collecting device 20, and the fan 70 is disposed on the return air pipe 60 to circulate air in the return air pipe 60.
In other words, the sweeper 100 according to the embodiment of the present invention mainly includes the body 10, which can be moved, the collecting device 20, which can collect the garbage 200 such as dust, the first brush 30, which cleans the garbage 200, the dust box 40 having the dust collecting space 41, the duct 50 having a flow guide function, the return duct 60 having a return function, and the fan 70, which can circulate the air in the return duct 60.
The collecting device 20 is provided at the bottom of the vehicle body 10, that is, the collecting device 20 is provided at the side of the vehicle body 10 close to the wheels. The refuse 200 can be collected by the collecting device 20 in the vicinity of the collecting device 20. Specifically, the garbage 200 may be swept into the collection device 20 by the first brush body 30 provided to the vehicle body 10.
After the garbage 200 is swept into the collecting device 20 by the first brush 30, the garbage 200 can be guided to the dust collecting space 41 through the guide pipe 50. The first brush body 30 may also assist in blowing the debris 200 on the floor away from the floor so that the high velocity airflow of the circulation system carries the debris 200 into the dust bin 40, thereby reducing the load on the air circulation system.
Further, since the return duct 60 is provided between the collecting device 20 and the dust box 40, the air in the dust collecting space 41 can be returned to the collecting device 20 through the return duct 60. A fan 70 is provided in the return duct 60, and the fan 70 may be connected to the dust box 40 through the return duct 60. The fan 70 allows the air in the return duct 60 to flow therethrough, thereby circulating the air in the sweeper 100.
For convenience of description, the height direction of the vehicle body 10 is defined as the up-down direction, and the length direction of the vehicle body 10 is defined as the horizontal direction.
As shown in fig. 1, a collection device 20 and a first brush 30 are disposed below a vehicle body 10, and when the first brush 30 is operated, for example, when the first brush 30 rotates around its own axis, garbage 200 in a certain area near the first brush 30 can be swept into the collection device 20. Subsequently, the garbage 200 in the collecting device 20 can enter the draft tube 50 by the air flow and pass through the draft tube 50 to enter the dust collecting space 41 of the dust box 40. The dust 200 can be accommodated in the dust collecting space 41, and the dust 200 can be separated from the air. The separated gas may be returned to the collection device 200 through the return duct 60. To achieve gas circulation, a fan 70 may be provided within the return duct 60.
It should be noted that the second end of the draft tube 50 is located at the upper part of the dust collecting space 41, and the air current mixed with the garbage 200 enters the dust collecting box 40 along the draft tube 50 and then horizontally sends out the mixed air current; the garbage with large specific gravity is physically precipitated, and the residual air flow is subjected to air circulation in the upper space in the dust box 40.
Accordingly, the sweeper 100 according to the embodiment of the present invention combines the vehicle body 10, the collection device 20, the first brush body 30, the dust box 40, the duct 50, the return duct 60 and the fan 70, thereby not only cleaning the garbage 200, but also realizing an air circulation system of a closed loop design without discharging the air with dust to the external environment.
According to an embodiment of the present invention, the collecting device 20 may be located at a bottom middle position of the vehicle body 10 without interfering with front and rear wheels of the vehicle body 10.
In some embodiments of the present invention, as shown in fig. 2, the first brush bodies 20 are respectively disposed on both sides of the advancing direction of the vehicle body 20, that is, on both sides of the width direction, and may also be located on both sides of the front lower portion of the chassis of the vehicle body 10. The first brush bodies 20 on both sides can clean the garbage 200 on both sides to the bottom middle portion of the vehicle body 10. The garbage 200 can then be collected into the dust collection space 41 through the air circulation system by the collection device 20 located at the middle of the bottom of the vehicle body 10. Wherein the first brush body 20 may be one of a pair or two pairs.
In some embodiments of the present invention, as shown in fig. 1, the return air duct 60 includes an upper return air duct 61 and a lower return air duct 62, and the collecting device 20 may be disposed between the upper return air duct 61 and the lower return air duct 62. By providing the return air duct 60 with an upper return air duct 61 and a lower return air duct 62, the position of the upper return air duct 61 is advantageously set, thereby facilitating the diversion of the gas in the dust collecting space 41 to the upper return air duct 61. In addition, the connection between the lower return air duct 62 and the collecting device 20 is facilitated, which facilitates the installation of the blower 70.
According to one embodiment of the present invention, as shown in fig. 1, the second end of the draft tube 50 extends in a horizontal direction, and the first end of the return air duct 60 is disposed spaced apart from the second end of the draft tube 50. That is, a first end of the flow guide pipe 50 communicates with the collecting device 20, and a second end of the flow guide pipe 50 communicates with the upper portion of the dust collecting space 41. A first end of the return duct 60 communicates with the upper portion of the dust collecting space 41, and a second end of the return duct 60 communicates with the collecting device 20. By arranging the second end of the draft tube 50 to extend in the horizontal direction and the first end of the return duct 60 to be spaced apart from the second end of the draft tube 50, the air flow mixed with the garbage 200 can be guided by the draft tube 50 arranged in the dust box 40 to be horizontally transferred, and the garbage 200 having a large specific gravity can be separated in the dust box 40 by using the physical precipitation principle. The rest gas can enter the return air pipe 60 after passing through the filter 80, and then sequentially enter the fan 70 and are sent into the collection device 20 along with the air outlet pipe 60 to circulate continuously, and the garbage 200 is carried into the dust collection box 40 to complete the cleaning of the garbage 200. Wherein the filter 80 can block finer debris, particles and collect the trash 200. The gas after filter 80 reenters fan 70 and then sends out the continuous circulation, and whole circulation is closed loop type, can make motor sweeper 100 clean more efficiently, and the effect is better, and is more environmental protection, no raise dust.
For example, the draft tube 50 extends substantially vertically, and the return tube 60 also extends substantially vertically. The lower end of the draft tube 50 is communicated with the collecting device 20, and the upper end of the draft tube 50 is communicated with the upper portion of the dust collecting space 41. The upper end of the return duct 60 may be spaced apart from the upper end of the draft tube 50 to facilitate physical settling of the refuse in the air stream exiting the draft tube 50.
In some embodiments of the present invention, as shown in fig. 2 and 4, the second end of the draft tube 50 is provided with two outlets 51, the two outlets 51 are spaced apart from each other along the width direction of the vehicle body 10 at both sides of the vehicle body 10, and the first end of the return duct 60 is disposed between the two outlets 51. By providing the two outlets 51, the garbage 200 on both sides of the vehicle body 10 in the width direction can be disposed, and finally the garbage 200 on both sides of the vehicle body 10 can be collected in the dust collecting space 41, so that the collection efficiency can be effectively improved. In addition, the first end of the return duct 60 is disposed between the two outlets 51, which not only can avoid interference between the return duct 60 and the outlets 51, but also can make the two outlets 51 share one return duct 60.
According to one embodiment of the invention, the level of the second end of the draft tube 50 is higher than the level of the first end of the return air duct 60. That is, the upper end of the guide pipe 50 is higher than the upper end of the return duct 60 in the vertical direction, and the guide pipe 50 may be installed on the upper side of the upper return duct 61, and the upper end of the guide pipe 50 is located above the return duct 60.
According to one embodiment of the present invention, as shown in FIG. 2, the radial dimension of the first end of the draft tube 50 is greater than the radial dimension of the second end of the draft tube 50. That is, the duct 50 has a structure with a large inlet and a small outlet, the large inlet is connected to the collecting device 20, and the end of the small outlet is disposed at the upper position of the dust collecting box 40.
In some embodiments of the present invention, as shown in fig. 1 and 2, the sweeper 100 further includes a filter 80, the filter 80 is disposed between the second end of the draft tube 50 and the first end of the return air tube 60, the filter 80 has an upper surface and a lower surface, the lower surface is an air inlet surface extending obliquely relative to the horizontal direction, and an included angle formed between the lower surface and the horizontal plane is an acute angle.
In other words, the filter 80 is disposed between the second end of the draft tube 50 and the first end of the return duct 60, and the garbage 200 can be filtered by the filter 80 to separate the garbage 200 from the gas. For example, when the duct 50 and the return duct 60 extend substantially in the vertical direction, the filter 80 may be provided between the duct 50 and the return duct 60, so that the air entering the return duct 60 can be effectively prevented from being mixed with the garbage 200. In addition, the filter 80 has an upper surface and a lower surface, the lower surface is an inclined surface inclined with respect to the horizontal direction, and the lower surface is an air intake surface, and an included angle between the air intake surface and the horizontal surface is an acute angle. Through the lower surface that sets up the slope and arrange, filter 80 becomes the installation of inclined plane form in dust collection box 40 promptly, can increase filter area, guarantees the air supply volume that gets into fan 70, can utilize again rubbish 200's dead weight to make it be difficult to the adhesion to filter 80 on.
Wherein, filter 80 can be the primary filter, and collection device 20 includes air curtain machine 22, and the primary filter can satisfy the requirement of fan 70 and air curtain machine 22 to the environment, both can effectively block in great granule, piece, debris follow return air pipe 60 gets into fan 70 and air curtain machine 22, again can reduction in production cost.
When the dust collection box 40 is installed, the filter 80 may be installed in front of the upper air outlet in the dust collection box 40, and the filter 80 may be a wire mesh, a plastic wire mesh, a fiber wire mesh, or at least one of a certain arrangement of wire bundles, plastic wire bundles, and fiber wire bundles.
According to an embodiment of the present invention, as shown in fig. 4, the collecting device 20 includes: the air curtain machine 22, the side wall 23 and the second brush 24.
Specifically, the housing 21 defines an accommodating space 211 therein, the first end of the draft tube 50 and the second end of the return air duct 60 are respectively communicated with the accommodating space 211, the housing 21 is provided with an inlet 212 communicated with the accommodating space 211, the air curtain machine 22 is disposed in the housing 21, and the air curtain machine 22 is mounted inside the collecting device 20 and can be located at an inner upper position of the collecting device 20. The air flow from the air curtain machine 22 blows the objects in the accommodating space 211 off the ground and into the draft tube 50. In addition, the air curtain machine 22 can drive the wind wheel to generate strong airflow through the high-speed motor, that is, the air curtain machine 22 can also generate high-speed airflow to blow the garbage 200 on the ground in the collecting device 20 away from the ground, so that the high-speed airflow of the circulating system brings the garbage into the dust collecting box 40, thereby reducing the load of the air circulating system. Furthermore, the high-speed air flow generated by the combination of the fan 70 and the air curtain 22 is beneficial to blowing the garbage 200 on the ground in the collecting device 20 off the ground and into the dust box 40.
That is, an accommodating space 211 is defined in the case body 21, and the air curtain machine 22, the side wall 23, and the second brush body 24 can be accommodated in the accommodating space 211. The side wall 23 is disposed at the inlet 212 and is located at the left, right, and rear sides of the inlet 212, and the second brush body 24 is disposed at the inlet 212 and is located at the front side of the inlet 212 to form a closed space surrounding the inlet 212 together with the side wall 23. The box 21 is provided with side barriers 23 in three other directions outside the advancing direction of the vehicle body 10, and a second brush 24 is provided in front of the box, so that a relatively closed space can be formed, and dust can not escape. Further, a second brush 24 is provided in front of the collecting device 20, and the second brush 24 rotates in accordance with the forward movement of the collecting device 20 in a direction corresponding to the rotation direction of the wheels of the vehicle body 10, so that the garbage 200 having a large volume can be swept into the collecting device 20.
In some embodiments of the present invention, as shown in fig. 4, the second brush body 24 is disposed at the front of the collecting device 20, and the filaments of the second brush body 24 may be nylon filaments having high elasticity and high abrasion resistance. When the second brush body 24 is disposed at the front of the collecting device 20, there is a large gap between the rows of brush filaments, and the second brush body 24 can rotate as the collecting device 20 advances. The side barrier 23 may be at least one of a plastic soft board, a plastic tow, and a fiber tow.
According to an embodiment of the present invention, as shown in fig. 4 and 5, the collecting device 20 further includes: the supporting wheels 25 are arranged on the left side and the right side of the box body 21, the second brush body 24 is connected with the supporting wheels 25 and moves synchronously, the third brush body 26 is arranged at the inlet 212 and is positioned on the rear side of the inlet 212, and the third brush body 26 is connected with the supporting wheels 25 and moves synchronously. Wherein the support wheels 25 may be used to prevent the collecting device 20 from getting stuck in a road pit. The rotation direction of the second brush body 24 can be consistent with the rotation direction of the supporting wheel 25, and the gaps between the brush wires can sweep garbage with larger volume into the collecting device 20. The third brush 26 can rotate in the opposite direction to the supporting wheel 25, and can sweep the garbage 200 on the ground away from the ground, so as to enter the flow guide pipe along with the circulating airflow, thereby achieving the cleaning effect.
In some embodiments of the present invention, as shown in fig. 5, the third brush 26 and the second brush 24 are both roll brushes, and the third brush 26 and the second brush 24 rotate in opposite directions, so that the garbage 200 on both sides of the vehicle body 10 can be collected into the collection device 20.
According to an embodiment of the present invention, the filaments of the first brush body 30, the second brush body 24 and the third brush body 26 may be nylon filaments with high elasticity and high wear resistance.
According to an embodiment of the present invention, as shown in fig. 4, the collecting device 20 further comprises: the first guide plate 27 is disposed between the air curtain machine 22 and the guide pipe 50 to guide the garbage 200 in the accommodating space 211 into the guide pipe 50, and the second guide plate 28 is disposed between the return air pipe 60 and the air curtain machine 22 to guide the air in the return air pipe 60 into the accommodating space 211.
In some embodiments of the present invention, as shown in fig. 4, the second baffle 28 comprises a first front baffle 281 and a second front baffle 282, wherein the first front baffle 281 can be installed at a front position of the box 21 to provide an interface for the lower return duct 62 and guide the air flow. The third brush 26 can be installed below the flow guide pipe 50, the second baffle 28 includes a first front baffle 281 and a second front baffle 282, the second front baffle 282 is installed on the front side of the air curtain machine 22, and the first baffle 27 is installed on the rear side of the air curtain machine to guide the flow of the gas, thereby completing the optimization of the gas flow path.
The second front flow guiding plate 282 may be a hole plate with a certain mesh number, and a part of air passes through the mesh holes, so that the space on the upper side in the collecting device 20 does not form a dead angle, and a part of air blows to the ground in the collecting device 20 along with the second front flow guiding plate 282, so as to blow the garbage and dust on the ground away from the ground and collect the garbage and dust in the dust collecting box 40.
In some embodiments of the present invention, the outlet of the air curtain 22 is directed toward the first end of the draft tube 50 and extends downward relative to the horizontal direction, which not only facilitates the blowing of the garbage 200 off the ground, but also facilitates the circulation of the air flow in the collection device 20. In some embodiments of the present invention, the air curtain 22 may also be vertical to the ground, which may provide better sweeping of ground debris.
According to an embodiment of the present invention, the flow guide tube 50 is retractable, and by providing the flow guide tube 50 that can be retracted along its own axis, it is advantageous to adjust the position of the flow guide tube 50, and to facilitate the installation of the flow guide tube 50. The collecting device 20 is connected to the dust box 40 by using a telescopic duct 50, which facilitates the transportation of the garbage into the dust collecting space 41 through the duct 50.
In some embodiments of the present invention, collection device 20 is comprised of a telescoping lower return air duct 62 and/or a telescoping upper return air duct 61.
In summary, according to the sweeper 100 of the embodiment of the present invention, the vehicle body 10, the collecting device 20, the first brush body 30, the dust box 40, the draft tube 50, the return duct 60 and the fan 70 are combined to realize an air circulation system of a closed-loop design, which does not discharge air with dust to the external environment. The blower 70, the air curtain 22 and the first brush 30 can blow the debris and garbage in the collecting device 20 off the ground and enter the dust box 40 with the high-speed airflow of the circulating system. Wherein, the air current that mixes rubbish 200 sends out along with honeycomb duct 50 level, separates wherein the rubbish that specific gravity is big through the physical sedimentation principle to block to rubbish 200 through filter 80 to more tiny piece, granule and collect. The gas after passing through the filter 80 enters the fan 70 again and then is sent out for continuous circulation, and the whole circulation is in a closed loop shape. The sweeper 100 provided by the embodiment of the invention has the advantages of higher efficiency, better sweeping effect, environmental friendliness, less dust emission and the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A sweeper truck, comprising:
a vehicle body;
the collecting device is arranged at the bottom of the vehicle body and is used for collecting garbage in an area corresponding to the position of the collecting device;
the first brush body is arranged on the vehicle body and used for sweeping garbage on the ground into an area corresponding to the collecting device;
the dust collection box is arranged on the vehicle body, and a dust collection space is limited in the dust collection box;
the first end of the flow guide pipe is communicated with the collecting device, the second end of the flow guide pipe is communicated with the upper part of the dust collecting space, and the flow guide pipe guides the garbage collected by the collecting device to the dust collecting box;
the first end of the air return pipe is communicated with the upper part of the dust collecting space, the second end of the air return pipe is communicated with the collecting device, and the air return pipe returns the air in the dust collecting box to the collecting device;
and the fan is arranged in the air return pipe so as to enable the gas in the air return pipe to circulate.
2. The sweeper truck of claim 1, wherein the second end of the draft tube extends in a horizontal direction, and the first end of the return air duct is spaced apart from the second end of the draft tube.
3. The sweeper truck according to claim 1, wherein the second end of the draft tube is provided with two outlets, the two outlets are spaced apart from each other in the width direction of the truck body and are disposed on both sides of the truck body, and the first end of the return air duct is disposed between the two outlets.
4. The sweeper truck of claim 1, wherein the level of the second end of the draft tube is higher than the level of the first end of the return air tube.
5. The sweeper truck of claim 1, further comprising:
the filter, the filter is located the second end of honeycomb duct with between the first end of return air pipe, the filter has upper surface and lower surface, the lower surface is the air inlet face that extends for the horizontal direction slope, the contained angle that lower surface and horizontal plane formed is the acute angle.
6. The sweeper truck of claim 1, wherein the collection device comprises:
the box body is internally provided with an accommodating space, the first end of the flow guide pipe and the second end of the air return pipe are respectively communicated with the accommodating space, and the box body is provided with an inlet communicated with the accommodating space;
the air curtain machine is arranged in the box body, and the air flow blown out by the air curtain machine blows the objects in the accommodating space away from the ground and enters the flow guide pipe;
the side wall baffles are arranged at the inlet and positioned at the left side, the right side and the rear side of the inlet;
the second brush body is arranged at the inlet and positioned on the front side of the inlet so as to form a closed space surrounding the inlet together with the side wall.
7. The sweeper truck of claim 6, wherein the collection device further comprises:
the supporting wheels are arranged on the left side and the right side of the box body, and the second brush body is connected with the supporting wheels and moves synchronously;
the third brush body is arranged at the inlet and is positioned at the rear side of the inlet, and the third brush body is connected with the supporting wheel and moves synchronously.
8. The sweeper truck according to claim 7, wherein the third brush body and the second brush body are both roll brushes, and the third brush body and the second brush body rotate in opposite directions.
9. The sweeper truck of claim 6, wherein the collection device further comprises:
the first guide plate is arranged between the air curtain machine and the flow guide pipe so as to guide the garbage in the accommodating space into the flow guide pipe;
and the second guide plate is arranged between the air return pipe and the air curtain machine so as to guide the gas in the air return pipe into the accommodating space.
10. The sweeper truck according to claim 6, wherein the air outlet of the air curtain machine faces the first end of the draft tube and extends obliquely downward with respect to a horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741807.0A CN113373844A (en) | 2021-06-30 | 2021-06-30 | Cleaning vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110741807.0A CN113373844A (en) | 2021-06-30 | 2021-06-30 | Cleaning vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN113373844A true CN113373844A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110741807.0A Pending CN113373844A (en) | 2021-06-30 | 2021-06-30 | Cleaning vehicle |
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| CN (1) | CN113373844A (en) |
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| CN120505893A (en) * | 2025-06-18 | 2025-08-19 | 山东奥邦机械设备制造有限公司 | Expressway cleaning vehicle and expressway cleaning method |
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Application publication date: 20210910 |