WO2022137455A1 - 清掃車 - Google Patents
清掃車 Download PDFInfo
- Publication number
- WO2022137455A1 WO2022137455A1 PCT/JP2020/048533 JP2020048533W WO2022137455A1 WO 2022137455 A1 WO2022137455 A1 WO 2022137455A1 JP 2020048533 W JP2020048533 W JP 2020048533W WO 2022137455 A1 WO2022137455 A1 WO 2022137455A1
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- WO
- WIPO (PCT)
- Prior art keywords
- battery
- cleaning vehicle
- cleaning
- opening
- machine body
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 126
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 description 37
- 230000005540 biological transmission Effects 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4002—Installations of electric equipment
- A47L11/4005—Arrangements of batteries or cells; Electric power supply arrangements
-
- 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
- E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
- E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
- E01H1/056—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/02—Floor surfacing or polishing machines
- A47L11/10—Floor surfacing or polishing machines motor-driven
- A47L11/14—Floor surfacing or polishing machines motor-driven with rotating tools
- A47L11/18—Floor surfacing or polishing machines motor-driven with rotating tools the tools being roll brushes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4072—Arrangement of castors or wheels
-
- 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
- E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
Definitions
- the present invention relates to a cleaning vehicle that cleans the road surface based on the power supply of a battery.
- Japanese Unexamined Patent Publication No. 8-66344 discloses a floor cleaning machine (cleaning vehicle) that cleans the floor surface by rotating a roller-shaped cleaning brush. This floor washer rotates the cleaning brush and the wheels based on the power supply of the battery installed in the machine.
- the present invention solves the above-mentioned problems, and an object of the present invention is to provide a cleaning vehicle in which the battery can be easily attached and detached and the battery holding portion or the battery can be satisfactorily contaminated.
- one aspect of the present invention includes an airframe, a cleaning unit provided at the lower part of the airframe to clean the road surface, and a cleaning unit provided behind the airframe in the airframe so that the user can use the machine.
- a cleaning vehicle including a user-arranged portion having a gripping portion to be gripped and an electrical component for driving the cleaning section, and by holding a detachable battery, electric power can be supplied from the battery to the electrical component.
- the battery holding portion has an opening through which the battery can be inserted, and the opening is exposed to the outside of the airframe in front of the cleaning portion.
- the battery can be easily attached and detached, and the battery holding portion or the battery can be satisfactorily contaminated.
- FIG. 3A is an explanatory diagram showing the accommodation of the battery in the battery case by the user.
- FIG. 3B is a cross-sectional view showing the initial stage of inserting the battery.
- FIG. 3C is a cross-sectional view showing a stage in which the battery is being inserted. It is a top view which shows roughly the arrangement of each structure of a cleaning vehicle. It is a partial side view of the cleaning vehicle which concerns on the modification.
- the cleaning vehicle 10 is an electric work vehicle equipped with a removable battery 12 and operating based on the power supply of the battery 12.
- the cleaning vehicle 10 has an airframe 16 having a brush 14 (cleaning unit) for cleaning, and a plurality of wheels 18 for traveling the airframe 16.
- the wheels 18 rotate and travel on the road surface R by the power supply of the battery 12, and the brush 14 operates to remove dust, dirt, snow, and the like on the road surface R.
- the cleaning vehicle 10 travels along the front-rear direction of the machine body 16 under the rotation of the wheels 18.
- the "front-rear direction” of the cleaning vehicle 10 is a direction along the longitudinal direction (vehicle length direction) of the machine body 16.
- the "front portion (front)” is one end side in the longitudinal direction (direction toward one end in the longitudinal direction) of the machine body 16, and refers to the tip portion or the traveling direction in the direction in which the user U (see FIG. 3A) faces forward in the cleaning work. To tell.
- the “rear portion (rear)” is the other end side in the longitudinal direction (direction toward the other end in the longitudinal direction) of the machine body 16, and refers to the tip portion or the retracting direction in the direction in which the back of the user U faces in the cleaning work.
- the cleaning vehicle 10 is configured so that the user U is arranged so as to be walkable, and the user U operates the advance / retreat and the course change of the aircraft 16 while walking on the road surface R. Therefore, a user arranging unit 20 for arranging the user U is provided at the rear portion of the machine body 16. That is, as for the traveling of the machine body 16 in the front-rear direction, the user U is reduced from the pushing operation and the pulling-in operation of the machine body 16 by self-propelling by the rotation of the wheels 18. On the other hand, the user U himself manually operates the turning of the machine body 16.
- the cleaning vehicle 10 is not limited to such a configuration, and may be provided with a user arrangement unit 20 (seat, operation panel, etc. (not shown) on which the user U is boarded at the rear of the machine body 16.
- the user arranging unit 20 has an operation handle (grip unit) gripped by the user U even if the user U is on board.
- the body 16 of the cleaning vehicle 10 includes a base portion 22 having the above-mentioned user arrangement portion 20, a dust box 24 provided on the rear portion and the lower side of the base portion 22 so as to be detachable, and a cover covering the front portion and the upper side of the base portion 22. 26 and.
- the base portion 22 of the cleaning vehicle 10 is a structure (frame, beam, etc.) forming the skeleton of the machine body 16, supports the brush 14 and a plurality of wheels 18 rotatably, and fixes each configuration of the cleaning vehicle 10. ing. Further, the rear portion (user arranging portion 20) of the base portion 22 constitutes a portion of the machine body 16 excluding the operation handle 30 described later, which has the highest dimension in the height direction.
- the height of the machine body 16 is preferably set to an appropriate size in consideration of the dust collection performance, the operability of the user U, and the like, and is preferably in the range of, for example, about 40 cm to 120 cm.
- the shape of the side view of the machine body 16 is gradually lowered while being curved from the user placement portion 20 toward the front portion while the user placement portion 20 at the rear portion is high (see also FIG. 2). Further, the shape of the machine body 16 in a plan view is also formed wide in the user arranging portion 20, and is gradually narrowed from the user arranging portion 20 toward the front portion.
- the user arranging portion 20 is provided on the upper surface or the rear surface of the base portion 22, the operation handle 30 (grip portion) connected to both side surfaces of the base portion 22 and extending rearward, and the rear surface of the dust box 24.
- the operation handle 32 to be connected is provided.
- the operation unit 28 has, for example, a start button 28a (start switching unit) for turning on / off the start of the cleaning vehicle 10, a lever 28b for operating the vertical position of the brush 14, and a cleaning mode (rotational speed of the brush 14 or the wheel 18).
- a dial 28c or the like for setting the rotation speed) is included.
- the operation handle 30 has a pair of arms 30a extending rearward from both side surfaces of the base portion 22 and a bridging bar 30b for bridging between the extending ends of the pair of arms 30a.
- the user U grips the bridge bar 30b and moves the machine body 16 during the cleaning work by the cleaning vehicle 10.
- the operation handle 30 may be provided with a brake handle (not shown) for braking the traveling of the machine body 16 under the operation of the user U.
- the pair of arms 30a are rotatably provided over a predetermined range in the vertical direction of the machine body 16. Further, the rotation of the pair of arms 30a is restricted by a fixed structure portion (not shown). Therefore, the user U can appropriately adjust and fix the height of the cross-linking bar 30b by rotating the pair of arms 30a, and can grip the cross-linking bar 30b at that position.
- the user U travels the machine body 16 in the front-rear direction by pushing out or pulling in the bridge bar 30b, and changes the direction (turns) of the machine body 16 by moving the bridge bar 30b laterally. Further, after the cleaning work is completed, the arm 30a can be compactly accommodated by folding it toward the machine body 16.
- one front wheel 18f constituting a plurality of wheels 18 is provided at the front portion and the lower portion of the base portion 22.
- the front wheels 18f are arranged at the center position in the width direction of the airframe 16 (center line CL in the width direction: see FIG. 4).
- two (pair) rear wheels 18r constituting the plurality of wheels 18 are provided at the rear and the lower portion of the base portion 22.
- the pair of rear wheels 18r are arranged on both sides in the width direction of the machine body 16 and function as drive wheels that are rotationally driven by the motor 48 described later of the cleaning vehicle 10.
- a dust box 24 having a sufficient volume for collecting the dust rolled up by the brush 14 is installed.
- the dust box 24 is attached to the base portion 22 so as to be retractable rearward by using the operation handle 32.
- the dust box 24 is formed in a concave box body having a recovery space 25 inside by connecting the front wall 24a, the rear wall 24b, the pair of side walls 24c, and the bottom wall 24d to each other.
- the front wall 24a is arranged near the brush 14.
- the rear wall 24b constitutes a part of the rear surface of the machine body 16 in the mounted state of the base portion 22.
- the height of the rear wall 24b is significantly higher than the height of the front wall 24a. Therefore, the upper ends of the pair of side walls 24c are inclined downward from the rear wall 24b toward the front wall 24a.
- the dust box 24 forms an open portion 25a communicating with the recovery space 25 by the upper ends of the front wall 24a, the rear wall 24b, and the pair of side walls 24c.
- the front side of the open portion 25a communicates with the dust intake space 34 formed in the lower part of the base portion 22.
- the dust removed by the brush 14 moves from the dust intake space 34 to the collection space 25 through the open portion 25a and is accumulated in the collection space 25.
- the rear side of the opening portion 25a communicates with the air inlet 36 provided in the base portion 22, and the air when dust is taken in flows into the air inlet 36.
- the dust box 24 or the base portion 22 may be provided with a structure (for example, a labyrinth structure) for dropping dust that has moved from the brush 14 into the dust box 24.
- One brush 14 is provided in the dust intake space 34 in the front-rear intermediate portion of the machine body 16 (rear to one front wheel 18f and front of two rear wheels 18r).
- the brush 14 has a diameter larger than that of the wheel 18, and is formed in a columnar shape (roll shape) extending long in the left-right width direction of the machine body 16.
- a large number of linear bodies 14b protruding in the normal direction from the base portion 14a on the axial center side are provided.
- the brush 14 rotates while bringing the tips of a large number of wire bodies 14b into contact with the road surface R, thereby winding up dust, dirt, snow, etc. on the road surface R.
- a plurality of brushes 14 may be provided at the lower part of the machine body 16.
- the shape of the brush 14 is not limited to a columnar shape, and may be formed into a disk shape, an umbrella shape, or the like. Further, the cleaning unit according to the present invention is not limited to the brush 14, and a mop, sponge, cotton, cloth, or the like can be used.
- the base portion 22 has a floor portion 38 that is substantially stepped lower from the rear portion to the front portion of the machine body 16, and a ceiling cowl 40 that covers a portion above the floor portion 38 at the rear portion of the machine body 16. And a pair of side cowls 42 that cover both sides of the floor 38 and the ceiling cowl 40.
- the operation unit 28 described above is provided on the ceiling cowl 40, and a control device 44 (a part of the electrical component unit 43) for controlling the operation of the cleaning vehicle 10 is provided on the lower surface side of the ceiling cowl 40. ..
- the above-mentioned operation handles 30 are connected to each of the pair of side cowls 42. Further, the rear portion and the lower portion of the pair of side cowls 42 pivotally support the rear axle 19r of the pair of rear wheels 18r.
- the leading edge of the ceiling cowl 40 is located slightly behind the middle portion in the front-rear direction of the machine body 16, and the cover 26 is rotatably attached to this leading edge.
- the space above the floor portion 38 (hereinafter referred to as the cover accommodating space 27) on the front side from the intermediate portion in the front-rear direction of the base portion 22 is opened and closed with the rotation of the cover 26 using the hinge portion 26a1 described later. ..
- the cover 26 has a ceiling panel 26a curved downward from the rear to the front, and a pair of side panels 26b connected to the side of the ceiling panel 26a, and the cover is accommodated by these walls. It forms the space 27.
- a pair of hinge portions 26a1 (see FIG. 1) provided at the rear portion of the ceiling panel 26a are pivotally supported by the leading edge of the ceiling cowl 40.
- the pair of side panels 26b are substantially flush with the pair of side cowls 42 of the base portion 22.
- a PDU46 Power Drive Unit: power adjustment unit
- a motor 48 and a battery case 50 (battery holding unit) are provided on the upper surface of the floor portion 38 of the base portion 22 in order from the rear portion to the front portion.
- the machine body 16 is provided with an air supply mechanism 52 for supplying air to the cover accommodating space 27 at a position adjacent to the motor 48 in the width direction.
- the PDU 46, the motor 48, a part (lower part) of the battery case 50, and the air supply mechanism 52 are covered with the cover 26 in a closed position, while the cover 26 is externally covered in an open position. Be exposed.
- the PDU 46 is a component of the electrical component 43 that drives the brush 14, and supplies the electric power of the battery 12 housed in the battery case 50 to the motor 48 by appropriately adjusting the power.
- the motor 48 is an AC motor
- the PDU 46 is configured to convert the DC power of the battery 12 into three-phase AC power and supply it to the motor 48.
- the PDU 46 is provided on the rear side of the floor portion 38.
- the floor portion 38 on which the PDU 46 is installed is inclined downward from the rear portion toward the front portion, and the air supplied from the air supply mechanism 52 can be smoothly guided to the PDU 46.
- the PDU 46 is cooled by this air.
- the air supply mechanism 52 is provided in the cover accommodating space 27 at a position on the side of the motor 48, in front of the PDU 46, and behind the battery case 50 (and battery 12), so that the motor 48, the PDU 46, and the battery 12 can be provided. It can be cooled efficiently.
- the details of the air supply mechanism 52 will be described later, but an example is a centrifugal fan.
- the motor 48 is a drive source (a component of the electrical component 43) of the brush 14 and the pair of rear wheels 18r, and rotates based on the electric power from the battery 12.
- the motor 48 may output either an AC motor or a DC motor as long as it can output an appropriate driving force capable of smoothly rotating the brush 14 and the pair of rear wheels 18r.
- a brush transmission mechanism (not shown) for transmitting the rotational driving force of the motor 48 is provided between the motor 48 and the brush 14.
- the brush transmission mechanism unit is configured by engaging a plurality of gears.
- a drive wheel transmission mechanism unit (not shown) for transmitting the rotational driving force of the motor 48 is provided.
- the drive wheel transmission mechanism unit is configured by connecting a pulley provided on the rear axle 19r extending between the pair of rear wheels 18r and a pulley provided on the motor 48 side by a belt.
- the floor portion 38 of the base portion 22 has a distribution structure 53 that circulates air from the dust intake space 34 in which the brush 14 is arranged to the cover accommodating space 27 in cooperation with the air supply mechanism 52. ..
- the distribution structure 53 includes a first floor wall 54 that forms a space for taking in dust 34 and a space for arranging a dust box 24 on the lower side, and a second floor wall 56 that forms a cover accommodating space 27 on the upper side.
- An air passage 58 for air circulation is formed between the first floor wall 54 and the second floor wall 56. Both sides of the first floor wall 54 and the second floor wall 56 in the width direction are connected to a pair of side cowls 42.
- the rear portion of the first floor wall 54 is inclined at the same inclination angle as the open portion 25a of the dust box 24, and the above-mentioned air inlet 36 is provided at an intermediate position of the inclined portion.
- the air inlet 36 communicates with the air passage 58.
- the air passage 58 is provided with a filter 60 at a portion facing the air inlet 36. It is preferable to appropriately adopt a filter 60 capable of blocking dust (particle size of about 1 ⁇ m to 500 ⁇ m) while allowing air to pass through.
- the rear portion of the second floor wall 56 is inclined in the same manner as the inclination of the rear portion of the first floor wall 54, and guides the air that has passed through the filter 60 toward the front.
- the front portion of the second floor wall 56 includes an air outlet 62 extending horizontally and communicating with the air passage 58.
- the air outlet 62 is provided just above the brush 14. Further, the air outlet 62 is covered with an air supply mechanism 52.
- the air supply mechanism 52 includes a covering wall portion 64 facing the air outlet 62, and a fan 66 provided on the covering wall portion 64 and rotating based on the power supply of the battery 12.
- the covering wall portion 64 is formed slightly higher than the second floor wall 56, and has an outlet 68 for blowing air on both the front surface and the rear surface.
- the fan 66 draws air from the air passage 58 (air outlet 62) into the inside of the covering wall portion 64 by rotation, and blows out air from the pair of outlets 68. As a result, clean air is supplied to the cover accommodating space 27, and the air cools the PDU 46, the motor 48, and the battery case 50.
- An exhaust pipe 70 extending in the width direction is provided on the upper surface of the floor portion 38, and an exhaust hole 72 is provided at a position facing the exhaust pipe 70 of the cover 26.
- the exhaust pipe 70 and the exhaust hole 72 are located on the sides of the motor 48 and the air supply mechanism 52, and exhaust air from the cover accommodating space 27 to the outside of the machine body 16. That is, the air flowing out from the outlet 68a on the front side of the air supply mechanism 52 moves forward to the inside of the cover 26, wraps upward, and then moves backward to the exhaust pipe 70 and the exhaust hole 72. Is discharged to the outside. Similarly, the air flowing out from the outlet 68b on the rear side of the air supply mechanism 52 heads rearward inside the cover 26, wraps around further upward, and then heads forward to reach the exhaust pipe 70 and the exhaust hole 72. It moves and is discharged to the outside.
- the battery case 50 is provided at the front portion of the machine body 16 (position opposite to the user arrangement portion 20). With the cover 26 in the closed position, the upper portion of the battery case 50 is exposed to the outside of the cover 26, while the lower portion of the battery case 50 is housed inside the cover 26. Therefore, a through hole 27h through which the battery case 50 can pass is provided at a portion where the ceiling panel 26a is curved in the front portion of the cover 26.
- the through port 27h communicates with the cover accommodating space 27.
- the through hole 27h is formed in a shape corresponding to the outer shape of the battery case 50, and is set to a size such that the cover 26 does not interfere with the battery case 50 even if the cover 26 rotates.
- the battery 12 mounted on the battery case 50 is configured to be a general-purpose type that is detachably mounted on various devices.
- the battery 12 has a housing 74 formed in a columnar shape as a whole, and the user U can grip the housing 74 at one end in the axial direction.
- a handle 74 g is provided.
- the battery 12 includes a plurality of battery cells 76 for storing and discharging electric power in the housing 74, and a plurality of terminals 78 capable of inputting and outputting electric power at predetermined positions on the outer surface of the housing 74.
- the plurality of terminals 78 are provided, for example, on the end surface on the opposite side (or the same side) to the handle 74g, and come into contact with each of the plurality of terminals 50a in the battery case 50 when the battery 12 is housed in the battery case 50. ..
- the battery case 50 is installed on the spacer 80 (see FIG. 2) attached to the base portion 22 (floor portion 38), and outputs electric power from the battery 12 to the PDU 46 while the battery 12 is housed. Inside the spacer 80, a junction box for distributing electric power from the battery 12 to the PDU 46 and other electrical components (motor 48, fan 66 of the air supply mechanism 52, control device 44 of the cleaning vehicle 10, etc.) is provided.
- the battery case 50 is formed in a square cylinder shape that extends long along the vertical direction (vertical direction) of the machine body 16 in order to accommodate and hold the above battery 12, and has a support space 51 inside.
- the battery case 50 includes four side walls 82 connected to each other to form a support space 51, and a bottom wall 84 connected to the bottom of each side wall 82.
- the side walls 82 and the bottom wall 84 on these four sides define the axis O of the support space 51 and guide the insertion direction of the battery 12.
- a plurality of terminals 50a are provided on the surface of the bottom wall 84 on the support space 51 side. The plurality of terminals 50a electrically contact the terminals 78 of the battery 12 while the battery case 50 is held, so that electric power can be output to the electrical component 43.
- the axis O is along the vertical direction of the machine body 16, and the battery case 50 supports the vertical posture of the battery 12 in the holding state of the battery 12.
- An opening 86 that communicates with the support space 51 and allows the battery 12 to be inserted when the battery 12 is accommodated is provided at the upper end portion surrounded by the side walls 82 on the four sides.
- the opening 86 is located in front of and above the brush 14, and is exposed to the outside of the machine body 16. Since the opening 86 provided at the upper end of the battery case 50 is exposed from the cover 26, the user U of the cleaning vehicle 10 can mount the battery 12 without opening the cover 26.
- the height H of the opening 86 from the road surface R may be set to a position based on the average height of an adult male so that the body does not need to bend significantly when the battery 12 is accommodated or taken out.
- the height H of the opening 86 is preferably in the range of 80 cm to 120 cm.
- the opening 86 is configured to be open (the support space 51 is opened) even when the battery 12 is not mounted. As a result, the user U can easily accommodate the battery 12.
- the opening 86 may be provided with a lid (not shown), and the support space 51 may be closed by closing the lid when the battery 12 is not mounted. As a result, the battery case 50 can suppress foreign matter from entering the support space 51.
- a front cover 88 projecting forward from the opening 86 is provided on the upper portion of the side wall 82 (front wall 82a) located on the front side.
- the upper end of the front cover 88 is located above the battery 12 in the holding state of the battery 12.
- the front cover 88 has a function of hiding the front upper end portion of the battery 12 from the front view of the machine body 16 and guiding the accommodation of the battery 12.
- the front cover 88 is rotatably provided on the upper part of the front wall 82a, and its upper end exhibits a posture in which the upper end thereof is inclined forward before the battery 12 is accommodated. Therefore, in the initial stage of inserting the battery 12, the user U puts the bottom corner portion of the battery 12 on the inclined surface (rear surface) of the front cover 88, and inserts the battery 12 along the inclination of the front cover 88. Can be done.
- the battery 12 enters the opening 86 of the battery case 50 the user U inserts the battery 12 into the back side of the support space 51 in a vertical posture while rotating the front cover 88. In this way, the battery case 50 can smoothly guide the battery 12 to the support space 51.
- a lock mechanism 90 for preventing the battery 12 housed in the support space 51 from coming off is provided above the pair of side walls 82 (left wall 82b, right wall 82c) located in the left-right width direction. Has been done.
- the lock mechanism 90 has a pair of lock plates 90a that are opened outward in the width direction when the battery 12 is not mounted, but are closed when the battery 12 is inserted.
- the arrangement position of each configuration of the cleaning vehicle 10 having the above battery case 50 will be further described with reference to FIG.
- the PDU 46, the motor 48, and the battery case 50 are aligned with each other in the front-rear direction of the machine body 16 inside the pair of arms 30a of the operation handle 30. Further, the PDU 46, the motor 48, and the battery case 50 are installed at positions overlapping the center line CL in the width direction of the machine body 16.
- the battery case 50 (opening 86) is provided on the widthwise center line CL of the airframe 16 and at the front portion thereof, above the front wheels 18f provided on the airframe 16 (just above the front wheels 18f). Is located in. Then, the center of gravity CG of the battery case 50 in the state of holding the battery 12 overlaps the front wheels 18f in the plan view of the machine body 16 (see also FIG. 2). As a result, the cleaning vehicle 10 can apply the weights of the battery 12 and the battery case 50 to the front wheels 18f during cleaning.
- the battery case 50 is located in front of the exhaust pipe 70 and the exhaust hole 72 provided on the side of the cover 26. Further, the opening 86 of the battery case 50 is located above the exhaust pipe 70 and the exhaust hole 72 (see also FIG. 2). That is, since the opening 86 of the battery case 50 is arranged at a position sufficiently distant from the exhaust hole 72, dust that is swirled up by the air exhausted from the exhaust hole 72 enters the support space 51 from the opening 86. Can be prevented.
- the cleaning vehicle 10 according to the present embodiment is basically configured as described above, and its operation will be described below.
- the cleaning vehicle 10 is equipped with the battery 12 by the user U during use (before cleaning work).
- the user U grips the handle 74g of the battery 12 and moves to the front of the machine body 16 (near the battery case 50).
- the user U inserts the battery 12 through the opening 86 of the battery case 50.
- the front cover 88 is tilted, and by rotating the front cover 88 in the insertion process, the battery 12 can be easily inserted in the axis O (vertical direction) of the battery case 50. It can be aligned (see FIGS. 3B and 3C).
- the battery 12 is housed in the support space 51 by its own weight, and a plurality of terminals 78 can come into contact with the terminals 50a of the battery case 50 in the housed state.
- the cleaning vehicle 10 is in an activated state in which the cleaning vehicle 10 can be activated and the cleaning work can be performed.
- the control device 44 of the cleaning vehicle 10 outputs a control command to the junction box or the PDU 46. Based on the power adjustment of the PDU 46, the power of the battery 12 is supplied to the motor 48 to rotate the motor 48. In the cleaning vehicle 10, the brush 14 and the rear wheel 18r rotate under the rotation of the motor 48.
- the cleaning vehicle 10 winds up the dust upward (on the first floor wall 54 side) based on the rotation of the brush 14, and further flows air and dust backward. Let me. The air and dust flow into the dust box 24 located behind the brush 14, and the dust is collected in the collection space 25.
- the air that has flowed into the recovery space 25 moves from the air inlet 36 at the upper part of the recovery space 25 to the air passage 58. At this time, the air passes through the filter 60 to remove the mixed dust. The air that has passed through the filter 60 moves forward in the air passage 58 based on the rotation (suction, negative pressure) of the fan 66 of the air supply mechanism 52. Then, the air flows from the front and rear outlets 68a and 68b of the air supply mechanism 52 to the cover accommodating space 27 via the air outlet 62 and the covering wall portion 64.
- this air flows in the front and rear directions in the cover accommodation space 27 and wraps around in the width direction of the machine body 16, thereby causing the lower part of the PDU 46, the motor 48, and the battery case 50 (as shown in FIGS. 2 and 4).
- the portion housed in the cover 26) is effectively cooled.
- the air flowing in the cover accommodating space 27 is exhausted to the outside of the cover 26 through the exhaust pipe 70 and the exhaust hole 72 provided on the side of the machine body 16. Therefore, air does not reach the opening 86 of the battery case 50, and foreign matter is suppressed from entering the battery case 50.
- the opening 86 of the battery case 50 is located above and in front of the brush 14, it is possible to prevent dust that has rolled up from the road surface R from entering due to the rotation of the brush 14. Further, the weight of the battery 12 and the battery case 50 is applied to the front wheels 18f during the cleaning work. As a result, the cleaning vehicle 10 can reduce the floating of the front wheels 18f and stably bring the brush 14 into contact with the road surface R.
- the present invention is not limited to the above embodiment, and various modifications can be made according to the gist of the invention.
- the arrangement of various electrical components 43 (PDU46, motor 48) provided behind the battery case 50 is not particularly limited, and the motors 48 and PDU46 may be arranged in this order from the rear to the front.
- the axis O of the battery case 50 may be in an inclined direction so that the opening 86 is located in front of the lower portion (bottom wall 84) of the battery case 50. .. By inclining the opening 86 so as to be positioned forward in this way, the user U can more easily accommodate the battery 12 in the battery case 50.
- One aspect of the present invention includes a machine body 16, a cleaning unit (brush 14) provided at the lower part of the machine body 16 for cleaning the road surface R, and a cleaning unit (brush 14) provided behind the cleaning unit (brush 14) in the machine body 16.
- a cleaning vehicle 10 including a user arranging unit 20 having a grip portion (operation handle 30) gripped by the cleaning unit (operation handle 30) and an electrical component unit 43 for driving the cleaning unit (brush 14), and holding a detachable battery 12.
- a battery holding portion (battery case 50) capable of supplying power from the battery 12 to the electrical component portion 43 is provided, the battery holding portion has an opening 86 through which the battery 12 can be inserted, and the opening portion 86 is a cleaning portion. It is exposed to the outside of the machine body 16 in front of (brush 14).
- the cleaning vehicle 10 can easily attach / detach the battery 12 by exposing the opening 86 of the battery holding portion (battery case 50). Further, since the opening 86 is located in front of the cleaning portion (brush 14), the cleaning vehicle 10 has a battery holding portion (battery holding portion) due to dust rolled up by the operation of the cleaning portion (brush 14) during the cleaning work. Alternatively, it is possible to prevent the battery 12) from becoming dirty.
- the opening 86 is located above the cleaning portion (brush 14). Since the dust wound up on the cleaning portion (brush 14) floats near the cleaning portion (brush 14) and falls downward, the opening 86 of the holding portion (brush case 50) of the cleaning vehicle 10 is the cleaning portion (brush). Since it is located above 14), dirt on the holding portion can be further suppressed.
- the battery holding portion (battery case 50) has an axis O that defines the insertion direction of the battery 12, and the axis O is a direction in which the opening 86 is inclined so as to be located in front of the lower portion of the battery holding portion. , Or in the vertical direction.
- the cleaning vehicle 10 can further separate the opening of the holding portion from the cleaning portion (brush 14), rather than having the opening of the battery holding portion installed in the horizontal direction or the like, and the dust that has been rolled up can be collected. Adhesion to the opening 86 or the battery 12 itself can be further suppressed.
- the cleaning vehicle 10 can further suppress the contamination of the portion of the battery holding portion housed inside the cover 26.
- the opening 86 is provided above the front wheel 18f provided on the machine body 16.
- the cleaning vehicle 10 makes it easier to attach / detach the battery 12 from the front of the machine body 16, and the opening 86 becomes less likely to get dirty while the machine body 16 is running.
- the center of gravity CG of the battery holding portion (battery case 50) in the state of holding the battery 12 is located at a position overlapping the front wheels 18f in the plan view of the machine body 16.
- the cleaning vehicle 10 can stably support the battery 12 held in the holding portion by the front wheel 18f.
- the machine body 16 is provided with a drive wheel (rear wheel 18r) behind the cleaning unit (brush 14).
- the front of the machine body 16 may be lifted by the drive wheels, but the cleaning vehicle 10 has a heavy battery holding portion (battery case 50) and a battery 12 in front of the cleaning portion (brush 14) to lift the lift. This can be prevented and the cleaning portion (brush 14) can be stably brought into contact with the road surface R.
- the front portion of the machine body 16 can be lightened by removing the battery 12. Therefore, the user U can float the front part of the machine body 16 around the rear wheel 18r, easily operate the movement, turn, and the like, and smoothly return it to the warehouse or the like.
- the electrical component 43 includes a motor 48 that rotates the cleaning section (brush 14) and a power adjusting section (PDU46) that adjusts the power supplied from the battery 12 to the motor 48, and includes a battery holding section, a motor 48, and power adjusting.
- the portions are provided inside the pair of grip portions (arms 30a) gripped by the user U in the width direction.
- the motor 48 and the power adjusting unit which are heavy objects of the electrical component 43, inside the pair of grips in the width direction, the operability of the grips by the user U can be enhanced.
- the battery holding unit (battery case 50), the motor 48, and the power adjusting unit (PDU46) are provided at positions including the widthwise center line CL of the machine body 16.
- the motor 48 and the power adjusting unit, which are heavy objects of the electrical component unit 43 are provided at the positions including the width direction center line CL of the machine body 16.
- the cleaning vehicle 10 has a good balance in the width direction and has a turning property. Can be enhanced.
- an exhaust hole 72 communicating with the space in which the motor 48 or the power adjusting unit (PDU46) is arranged is provided, and the opening 86 is located in front of the exhaust hole 72.
- the cleaning vehicle 10 can improve the heat dissipation performance of the motor 48 or the power adjusting unit, and can prevent the battery holding unit (battery case 50) and the battery 12 from becoming dirty.
- the opening 86 is located above the exhaust hole 72. As described above, since the opening 86 is located above the exhaust hole 72, the cleaning vehicle 10 can further suppress the contamination caused by the air discharged from the exhaust hole 72.
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- Structural Engineering (AREA)
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Abstract
Description
Claims (11)
- 機体(16)と、
前記機体の下部に設けられ、路面を清掃する清掃部(14)と、
前記機体において前記清掃部よりも後方に設けられ、ユーザが把持する把持部(30)を有するユーザ配置部(20)と、
前記清掃部を駆動する電装部(43)と、を備える清掃車(10)であって、
着脱可能なバッテリ(12)を保持することで、前記バッテリから前記電装部に電力を供給可能なバッテリ保持部(50)を備え、
前記バッテリ保持部は、前記バッテリを挿通可能な開口部(86)を有し、
前記開口部は、前記清掃部よりも前方で前記機体の外部に露出していることを特徴とする清掃車。 - 請求項1記載の清掃車において、
前記開口部は、前記清掃部よりも上方に位置することを特徴とする清掃車。 - 請求項2記載の清掃車において、
前記バッテリ保持部は、前記バッテリの挿通方向を規定する軸線(O)を有し、
前記軸線は、前記開口部が前記バッテリ保持部の下部よりも前方に位置するように傾斜した方向、又は鉛直方向であることを特徴とする清掃車。 - 請求項1~3のいずれか1項に記載の清掃車において、
前記バッテリ保持部の少なくとも一部が前記機体を構成するカバー(26)の内側に設けられ、
前記開口部が前記カバーから突出して設けられることを特徴とする清掃車。 - 請求項1~4のいずれか1項に記載の清掃車において、
前記開口部は、前記機体に設けられた前輪(18f)よりも上方に設けられていることを特徴とする清掃車。 - 請求項5記載の清掃車において、
前記バッテリを保持した状態における前記バッテリ保持部の重心(CG)が、前記機体の平面視で、前記前輪に重なる位置にあることを特徴とする清掃車。 - 請求項1~6のいずれか1項に記載の清掃車において、
前記機体は、前記清掃部よりも後方に駆動輪(18f)を備えることを特徴とする清掃車。 - 請求項1~7のいずれか1項に記載の清掃車において、
前記電装部は、前記清掃部を回転するモータ(48)、及び前記バッテリから前記モータに供給する電力を調整する電力調整部(46)を含み、
前記バッテリ保持部、前記モータ及び前記電力調整部は、前記ユーザが把持する一対の把持部(30a)の幅方向内側に設けられていることを特徴とする清掃車。 - 請求項8記載の清掃車において、
前記バッテリ保持部、前記モータ及び前記電力調整部は、前記機体の幅方向中心線(CL)を含む位置に設けられていることを特徴とする清掃車。 - 請求項8又は9記載の清掃車において、
前記モータ又は前記電力調整部が配置された空間に連通する排気孔(72)を備え、
前記開口部は、前記排気孔よりも前方に位置することを特徴とする清掃車。 - 請求項10記載の清掃車において、
前記開口部は、前記排気孔よりも上方に位置することを特徴とする清掃車。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2020/048533 WO2022137455A1 (ja) | 2020-12-24 | 2020-12-24 | 清掃車 |
JP2022570904A JP7448687B2 (ja) | 2020-12-24 | 2020-12-24 | 清掃車 |
US18/258,612 US20240032760A1 (en) | 2020-12-24 | 2020-12-24 | Cleaning vehicle |
DE112020007873.6T DE112020007873T5 (de) | 2020-12-24 | 2020-12-24 | Reinigungsfahrzeug |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2020/048533 WO2022137455A1 (ja) | 2020-12-24 | 2020-12-24 | 清掃車 |
Publications (1)
Publication Number | Publication Date |
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WO2022137455A1 true WO2022137455A1 (ja) | 2022-06-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2020/048533 WO2022137455A1 (ja) | 2020-12-24 | 2020-12-24 | 清掃車 |
Country Status (4)
Country | Link |
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US (1) | US20240032760A1 (ja) |
JP (1) | JP7448687B2 (ja) |
DE (1) | DE112020007873T5 (ja) |
WO (1) | WO2022137455A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05163710A (ja) * | 1991-12-13 | 1993-06-29 | Toyota Autom Loom Works Ltd | 床面清掃車におけるサイドブラシの回転数制御装置 |
JPH0966013A (ja) * | 1995-08-31 | 1997-03-11 | Amano Corp | 床面自動清掃機用バッテリ交換装置 |
JP2012105801A (ja) * | 2010-11-17 | 2012-06-07 | Amano Corp | 床面処理機 |
WO2019102560A1 (ja) * | 2017-11-22 | 2019-05-31 | 本田技研工業株式会社 | 作業機 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3219944B2 (ja) | 1994-08-31 | 2001-10-15 | アマノ株式会社 | スプラッシュガード機能を備えた床面洗浄機 |
-
2020
- 2020-12-24 WO PCT/JP2020/048533 patent/WO2022137455A1/ja active Application Filing
- 2020-12-24 DE DE112020007873.6T patent/DE112020007873T5/de active Pending
- 2020-12-24 JP JP2022570904A patent/JP7448687B2/ja active Active
- 2020-12-24 US US18/258,612 patent/US20240032760A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05163710A (ja) * | 1991-12-13 | 1993-06-29 | Toyota Autom Loom Works Ltd | 床面清掃車におけるサイドブラシの回転数制御装置 |
JPH0966013A (ja) * | 1995-08-31 | 1997-03-11 | Amano Corp | 床面自動清掃機用バッテリ交換装置 |
JP2012105801A (ja) * | 2010-11-17 | 2012-06-07 | Amano Corp | 床面処理機 |
WO2019102560A1 (ja) * | 2017-11-22 | 2019-05-31 | 本田技研工業株式会社 | 作業機 |
Also Published As
Publication number | Publication date |
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JP7448687B2 (ja) | 2024-03-12 |
DE112020007873T5 (de) | 2023-10-19 |
JPWO2022137455A1 (ja) | 2022-06-30 |
US20240032760A1 (en) | 2024-02-01 |
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