KR101340390B1 - Road sweeper - Google Patents

Abstract

One embodiment of the present invention relates to a road garage vehicle including a vehicle body; a loading unit, which is mounted and supported by the vehicle body and inhales foreign materials on the road for loading the materials: an inhaling unit, which is combined to the vehicle body and inhales the foreign materials on the road for guiding the materials to the loading unit; a connection duct, which is combined to the loading unit and connected to the inhaling unit for discharging the foreign materials guided from the inhaling unit to the inside of the loading unit; and a blowing power generating unit, which provides inhaling power to the inhaling unit. A leakage prevention unit having an elastic member is equipped in the upper end of the inhaling unit and the inhaling unit adheres to the connection duct.

Description

Road sweeper {ROAD SWEEPER}

The present invention relates to a road sweeper, and more particularly, to a road sweeper configured to prevent the leakage of air sucked into the loading unit.

Each local government or road management agency maintains and maintains the road surface in a clean state by periodically removing foreign substances and fine dust accumulated on the road surface for roads that are already built and used.

In particular, the disposal of waste is very important in relation to the aesthetics of the city, and cleaning of roads and roads is particularly important due to the characteristics of cities where a high population is concentrated.

In the road cleaning work, a road sweeper capable of cleaning the road surface with less effort is mainly used, and the road sweeper cleans garbage discarded in general roads, highways, parking lots, large industrial complexes, airfield runways, large playgrounds, and the like.

Here, the road sweeper sucks foreign matters from the road surface, loads them into the loading unit, and the air soiled in the sucked foreign matters is discharged into the atmosphere after the filtration treatment is performed.

At this time, the end of the suction unit supported by the vehicle body and the end of the connection duct supported by the loading unit are connected so that foreign substances on the road surface sucked from the suction unit are introduced into the connection duct and discharged to the loading unit.

However, when the vehicle body and the loading part are shaken due to uneven road conditions, the suction part and the connection duct may be shaken separately, which may cause a problem in which the suction part and the connection duct are separated from each other. There is a problem that is not made smoothly.

Therefore, there is a problem that the road surface cleaning is not properly performed by the shaking of the vehicle body and the loading portion at the uneven road surface.

The present invention is to solve the above-mentioned problems of the prior art, an object of the present invention is to provide a road cleaning vehicle made in close contact with the suction duct and the connection duct to prevent leakage.

In order to achieve the above object, an embodiment of the present invention is seated and supported by the vehicle body, the vehicle body, the loading portion is sucked and accommodated foreign matter on the road surface, is coupled to the vehicle body, the foreign matter on the road surface suction And a suction duct coupled to the loading unit, the connection duct connected to the suction unit to discharge foreign substances guided from the suction unit into the loading unit, and a blowing force for providing suction to the suction unit. The generator is included, and the upper end of the suction part is provided with a leakage preventing part having an elastic member, the suction part provides a road cleaning vehicle, characterized in that made in close contact with the connection duct.

In one embodiment of the present invention, the main duct constituting the movement path of the filtered air through the loading unit and the exhaust duct for discharging the air through the main duct to the outside of the vehicle body may be further included.

In one embodiment of the present invention, the leakage preventing unit is coupled to the vehicle body and formed with a guide hole is formed in the upper part of the first plate, the upper end of the suction plate is inserted into the upper end of the suction portion and the upper end of the suction portion The second plate to be coupled, the first sealing portion extending to the upper portion of the second plate and inserted into the connection duct, the separation preventing member for preventing the second plate from being separated from the first plate to guide the movement And an elastic member provided between the first plate and the second plate, wherein the second plate is elastic from the first plate to allow the second plate to be in close contact with the connection duct.

In one embodiment of the present invention, the separation preventing member may be provided with at least two while maintaining a predetermined interval along the outer circumferential direction of the first sealing portion.

In one embodiment of the present invention, the lower end of the connection duct is provided with a third plate, the insertion hole formed in the third plate is inserted into the first sealing portion may be made so that the suction part and the connection duct is in communication. .

In one embodiment of the present invention, the second sealing portion may be further provided on the lower surface of the third plate.

Referring to the effect of the road cleaning vehicle according to the present invention described above are as follows.

According to the present invention, the road sweeping vehicle is provided with a leakage preventing part having an elastic member so that the suction part may be in close contact with the connection duct.

Therefore, it is possible to prevent the suction force provided from the blowing force generator from leaking out between the suction part and the connection duct.

Further, according to the present invention, the second plate is in close contact with the third plate by the elastic force of the elastic member even when the vehicle body and the loading unit shakes. Thus, even when the road surface is poor and shake of the vehicle body and the loading part occurs, leakage between the suction part and the connection duct can be prevented.

Further, according to the present invention, the leakage preventing part of the road sweeper is provided with a first sealing part and the connection duct is provided with a second sealing part to prevent leakage between the suction part and the connection duct.

It should be understood that the effects of the present invention are not limited to the above effects and include all effects that can be deduced from the detailed description of the present invention or the configuration of the invention described in the claims.

1 is a cross-sectional view of a road sweeping vehicle according to an embodiment of the present invention.
2 is an exploded perspective view of the leakage preventing unit coupled to the first suction unit and the first connection duct of the road cleaning vehicle according to the exemplary embodiment of the present invention.
3 is a perspective view illustrating a first suction unit coupled to a leakage preventing unit of a road cleaning vehicle according to an exemplary embodiment of the present invention.
4 is a cross-sectional view of FIG. 3 of the present invention, in which an elastic member is extended and a second plate is moved upward as the first connection duct of the road cleaning vehicle is moved upward. .
5 is a cross-sectional view II of FIG. 3 of the present invention, in which the elastic member is compressed and the second plate is moved downward as the first connection duct of the road sweeping vehicle according to the embodiment moves downward. .

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when a part is referred to as being "connected" to another part, it includes not only "directly connected" but also "indirectly connected" . Also, when an element is referred to as "comprising ", it means that it can include other elements, not excluding other elements unless specifically stated otherwise.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view of a road cleaning vehicle according to an embodiment of the present invention, Figure 2 is an exploded perspective view of the leakage preventing unit coupled to the first suction portion and the first connection duct of the road cleaning vehicle according to an embodiment of the present invention, 3 is a perspective view showing a first suction unit coupled with a leakage preventing unit of a road sweeping vehicle according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line II of FIG. 3 of the present invention. As the connecting duct is moved upward, the elastic member is elongated and the second plate is moved upward. FIG. 5 is a cross-sectional view taken along line II of FIG. 3 of the present invention. As the connection duct is moved downward, the elastic member is compressed and the second plate is moved downward.

As shown in Figures 1 to 5, the road sweeping vehicle 1000 according to the present invention is a vehicle body 100, the loading unit 200, the suction unit 300, the connection duct 400, the main duct 500, The exhaust duct 600 and the blowing force generating unit 700 is included.

Here, the vehicle body 100 includes a vehicle front body 110 and a vehicle rear body 120, and the vehicle front body 110 is provided with a driver's seat for the operator to drive the road cleaning vehicle 1000.

In addition, the vehicle rear body 120 is provided at the rear of the vehicle front body 110 and is connected to the vehicle front body 110.

Such, the vehicle rear body 120 is provided with a mounting portion 200 is the foreign matter is sucked in the road surface accommodated. At this time, the loading unit 200 is made to be seated and supported by the vehicle rear body 120.

In addition, the suction part 300 includes a first suction part 310 provided at the side of the vehicle rear body 120 and a second suction part 320 provided at the rear of the vehicle rear body 120.

Here, foreign matters separated from the road surface by the operation of the side brush assembly 130 and the rolling brush assembly 140 may be loaded by the suction operation of the first suction part 310 and the second suction part 320. Is moved to.

At this time, the side brush assembly 130 is made to clean the road surface located in the side space of the vehicle rear body 120.

Here, the first suction part 310 is provided at the rear of the side brush assembly 130 and moves together with the side brush assembly 130.

Thus, foreign matters separated from the road surface by the rotation operation of the side brush assembly 130 are sucked by the first suction part 310 and moved to the loading part 200.

Here, the side brush assembly 130 and the first suction part 310 is moved to the side space of the vehicle rear body 120 by the moving unit 150 to clean the foreign matter on the road surface.

The moving unit 150 moves the side brush assembly 130 and the first suction part 310 to the side space of the vehicle rear body 120 or to selectively move the lower side of the vehicle rear body 120. do.

In this case, when the cleaning operation is not performed, the side brush assembly 130 and the first suction part 310 are positioned below the rear body 120 of the vehicle to prevent a collision with an obstacle while driving the vehicle.

On the other hand, the rolling brush assembly 140 is provided on the lower portion of the vehicle rear body 120 and cleans the road surface located in the bottom space of the vehicle rear body 120.

Here, the rolling brush assembly 140 may be moved up and down along the traveling direction of the vehicle, that is, the longitudinal direction of the road surface, and tilted up and down along the inclined surface of the road surface in the width direction. In addition, the rolling brush assembly 140 may be provided to rotate left and right with respect to the center line of the vehicle.

In addition, the foreign matter separated from the road surface by the rotation operation of the rolling brush assembly 140 is sucked by the second suction part 320 provided at the rear of the vehicle rear body 120 and moved to the loading part 200.

Referring to the operation state of the road sweeping vehicle 1000 schematically, first, the blowing force generating unit 700 is operated to generate a suction force for suctioning foreign substances.

Next, the suction force generated by the operation of the blowing force generating unit 700 is transmitted to the suction unit 300 so that the suction unit 300 sucks foreign substances on the road surface.

Here, the blowing force generating unit 700 may be a blower (blower) for generating a blowing force as the blowing fan rotates.

In addition, the foreign matter sucked through the suction unit 300 is discharged into the loading unit 200 through the connection duct 400.

Next, the foreign substances discharged to the loading unit 200 and the sucked air is moved to the main duct 500 via the filtering unit 160 installed in the loading unit 200.

Next, the air moved to the main duct 500 is guided to the discharge duct 600, the discharge duct 600 discharges the air introduced from the main duct 500 to the outside of the road cleaning vehicle 1000 You lose.

As such, the suction unit 300 sucks foreign matter from the road surface by the suction force generated from the blowing force generating unit 700 to clean the road surface.

The connection duct 400 of the road cleaning vehicle 1000 includes a first connection duct 410 connected to the first suction part 310 and a second connection duct 450 connected to the second suction part 320. It is included.

Here, the foreign matter sucked through the suction unit 300 is moved to the loading unit 200 through the connection duct 400.

In addition, a leakage preventing part 800 is provided at an upper end of the suction part 300 to prevent leakage of air sucked when the suction part 300 and the connection duct 400 are connected. As shown in FIG. 1, upper ends of the first suction part 310 and the second suction part 320 are provided with respective leakage preventing parts 800.

Such a connection relationship between the suction part 300 and the connection duct 400 provided with the leakage preventing part 800 configured to prevent leakage is, for example, the first suction part 310 and the first connection duct 410. The connection relationship will be described.

Here, the leakage preventing part 800 includes the first plate 810, the second plate 820, the first sealing part 830, the separation preventing member 840, and the elastic member 850.

At this time, the first plate 810 is coupled to the vehicle body 100 and a guide hole 811 is formed.

The upper end of the first suction part 310 is inserted through the guide hole 811 to guide the installation position of the first suction part 310.

On the other hand, the second plate 820 is provided on the upper portion of the first plate 810, the upper end of the first suction portion 310 is coupled to.

The elastic member 850 is provided between the first plate 810 and the second plate 820. At this time, the elastic member 850 may be made of a spring, of course.

Here, the second plate 820 is made to be shot from the first plate 810 fixed to the vehicle body 100 by the elastic member 850.

Since the second plate 820 coupled to the upper end of the first suction part 310 is coupled with the first connection duct 410, the first connection duct 410 and the first suction part 310 communicate with each other. Combined.

In this case, the second plate 820 is coupled to the third plate 420 provided below the first connection duct 410 by the elastic member 850.

The first sealing part 830 extends above the second plate 820 and is inserted into the first connection duct 410 so that the first suction part 310 and the first connection duct 410 are connected to each other. In, the suction force is made to be transmitted smoothly.

In other words, an insertion hole 421 is formed in the third plate 420 of the first connection duct 410, and a first sealing part 830 is inserted into the insertion hole 421 to provide a blowing force generating part 700. Suction force generated from may be smoothly transmitted to the first suction unit (310).

The first sealing part 830 has a predetermined length from the second plate 820 and extends upward to be inserted into the insertion hole 421, so that the first suction part 310 and the first connection duct 410 are provided. Prevents leakage between them.

In addition, the separation preventing member 840 is installed on the first plate 810 and the second plate 820 to restrain the moving distance of the second plate 820 moved from the first plate 810 and is separated from the outside. Will be prevented.

Here, the separation preventing member 840 is a movement of the second plate 820 in the range of a certain distance from the first plate 810 when the first suction portion 310 and the first connection duct 410 flows. You will be guided.

The separation preventing member 840 restraining the movement of the first plate 810 and the second plate 820 may be formed of a bolt 841 and a nut 842.

Meanwhile, an elastic member 850 is provided between the first plate 810 and the second plate 820.

One end of the elastic member 850 is supported by the first plate 810 and the other end is supported by the second plate 820 to be shot.

Here, the elastic member 850 is provided between the first plate 810 and the second plate 820 while being inserted into the separation preventing member 840 to prevent the elastic member 850 from being separated from the leakage preventing part 800. .

At this time, the separation preventing member 840 is provided to be at least two while maintaining a predetermined interval along the outer circumferential direction of the first sealing portion 830. This allows the first plate 810 and the second plate 820 to be stably supported, and the elastic member 850 in various directions depending on the flow direction when the flow of the first suction part 310 and the first connection duct 410 occurs. This is to allow elastic deformation of).

In other words, as the elastic members 850 are provided along the outer circumferential direction of the guide hole 811, each elastic member 850 is generated when the first suction part 310 and the first connection duct 410 flow. Compression and elongation occur and the first suction part 310 and the first connection duct 410 are in close contact.

The first suction part 310 supported by the vehicle body 100 and the first connection duct 410 supported by the loading part 200 are connected to the first suction part 310 according to the road surface. The duct 410 may be shaken separately.

Conventional road sweeper according to the state of the road surface, for example, the first suction unit 310 supported by the vehicle body 100 is moved downward and the first connection duct 410 supported by the loading unit 200 is the upper side When moved to, the first suction part 310 and the first connection duct 410 has a problem that the suction force is not smoothly transmitted by the separation caused by the flow.

Therefore, the leakage preventing part 800 is formed between the first suction part 310 and the first connection duct 410 by a predetermined distance so that the first suction part 310 and the first connection duct 410 are provided. Although the) is flowed separately, the first suction part 310 and the first connection duct 410 is in close contact to prevent the leakage of suction force.

For example, referring to FIG. 4, when the first suction part 310 coupled to the vehicle body 100 has no flow, the first connection duct 410 coupled to the loading part 200 flows upward. The second plate 820 of the leakage preventing part 800 is made to be in close contact with the third plate 420 by the extension of the elastic member 850.

On the contrary, referring to FIG. 5, the first suction part 310 coupled to the vehicle body 100 has no flow, and the first connection duct 410 coupled to the loading part 200 flows downward. In this case, the second plate 820 of the leakage preventing part 800 is made to be in close contact with the third plate 420 by the compression of the elastic member 850.

As described above, the elastic member 850 provided in the leakage preventing part 800 is extended or compressed according to the flow of the first suction part 310 and the first connection duct 410, and thus the first suction part 310 and the first suction part 310 are formed. One connection duct 410 is made to be in close contact.

In addition, a second sealing part 430 may be further provided on a bottom surface of the third plate 420 fixed to the loading part 200.

Here, of course, the second sealing part 430 may be made of a rubber material, and the second sealing part 430 may strengthen the adhesion when the third plate 420 and the second plate 820 are in close contact with each other. The suction force generated from the blowing force generating unit 700 is prevented from leaking.

The foregoing description of the present invention is intended for illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present invention.

100: vehicle body 200: loading unit
300: suction unit 400: connection duct
500: main duct 600: exhaust duct
700: blowing force generation unit 800: leakage prevention unit
810: first plate 820: second plate
830: first sealing portion 840: separation preventing member
850: elastic member 1000: road sweeper

Claims (6)

A vehicle body;
A loading part seated and supported by the vehicle body and receiving and accommodating foreign substances on a road surface;
A suction unit which is coupled to the vehicle body and guides the foreign substances on the road surface to the loading unit;
A connection duct coupled to the loading part and connected to the suction part to discharge foreign substances guided from the suction part into the loading part; And
It is made to include a blowing force generating unit for providing a suction force to the suction unit,
An upper end of the suction part is provided with a leakage preventing part having an elastic member, the suction part is made to be in close contact with the connection duct,
The leak prevention unit,
A first plate coupled to the vehicle body and having a guide hole formed therein and inserted into an upper end of the suction unit;
A second plate provided on an upper portion of the first plate and coupled to an upper end of the suction unit;
A first sealing part extending on an upper portion of the second plate and inserted into the connection duct;
A separation preventing member which prevents the second plate from being separated from the first plate and guides the movement; And
And a second member disposed between the first plate and the second plate, wherein the second plate is elastically disposed from the first plate so that the second plate adheres to the connection duct. The method of claim 1,
The main duct forming the movement path of the air filtered foreign matter while passing through the loading portion; And
And a discharge duct for discharging air passing through the main duct to the outside of the vehicle body. delete The method of claim 1,
The separation preventing member is a road cleaning vehicle, characterized in that provided with at least two or more at regular intervals along the outer circumferential direction of the first sealing portion. The method of claim 1,
The lower surface of the connection duct is provided with a third plate, the road surface cleaning car, characterized in that the first sealing portion is inserted into the insertion hole formed in the third plate so that the suction portion and the connection duct is in communication. The method of claim 5,
The lower surface of the third plate is a road cleaning vehicle, characterized in that further provided with a second sealing portion.

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