EP2408972A1 - Balayeuse automobile - Google Patents

Balayeuse automobile

Info

Publication number
EP2408972A1
EP2408972A1 EP09776449A EP09776449A EP2408972A1 EP 2408972 A1 EP2408972 A1 EP 2408972A1 EP 09776449 A EP09776449 A EP 09776449A EP 09776449 A EP09776449 A EP 09776449A EP 2408972 A1 EP2408972 A1 EP 2408972A1
Authority
EP
European Patent Office
Prior art keywords
suction
self
sweeper according
propelled sweeper
dirt container
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09776449A
Other languages
German (de)
English (en)
Other versions
EP2408972B9 (fr
EP2408972B1 (fr
Inventor
Joachim Wahl
Bernd Haberl
Uwe Weller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alfred Kaercher SE and Co KG
Original Assignee
Alfred Kaercher SE and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alfred Kaercher SE and Co KG filed Critical Alfred Kaercher SE and Co KG
Priority to PL09776449T priority Critical patent/PL2408972T3/pl
Publication of EP2408972A1 publication Critical patent/EP2408972A1/fr
Application granted granted Critical
Publication of EP2408972B1 publication Critical patent/EP2408972B1/fr
Publication of EP2408972B9 publication Critical patent/EP2408972B9/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles

Definitions

  • the invention relates to a self-propelled sweeper with wheels for moving along a bottom surface and with at least one rotatably driven sweeping brush for sweeping the bottom surface and a dirt container, which is acted upon via a suction from a suction unit with negative pressure 10 and via a suction with a suction mouth Recording of debris is connected.
  • a floor surface for example a road, a sidewalk or a parking lot, can be swept.
  • Road sweeper is self-propelled, for example in the form of a vehicle, wherein the dirt container can be arranged in the rear region of the vehicle and the vehicle can have a driver's cab in the front area.
  • the suction line which connects the suction mouth with the dirt container, usually opens in the area of a related
  • Sweepers of the type mentioned are known from US 4,754,521.
  • the suction mouth is arranged between a steerable front wheel and 50 two non-steerable rear wheels, and the intake line runs from the suction mouth in a vertical upward direction up to an opening.
  • the front container wall of the dirt container In the transition region between the intake pipe and the dirt container, the suction flow undergoes a deflection by 90 °.
  • the suction flow runs inside the dirt container against the direction of travel of the sweeper to the rear
  • a filter device From the filter device, the suction flow passes into a suction channel, which is formed in the form of a vertical tube and is arranged centrally in the direction of travel in the dirt container.
  • a suction channel which is formed in the form of a vertical tube and is arranged centrally in the direction of travel in the dirt container.
  • LO band to be arranged with carrying bags over which the suction material can be lifted in the vertical direction.
  • Object of the present invention is to develop a self-propelled sweeper of the type mentioned in such a way that it achieves an improved cleaning result with the least possible use of energy.
  • Dirt container opening outlet of the suction pipe is arranged adjacent to at least one inlet region of the suction channel.
  • the suction channel is at least sufficiently integrated into the dirt container. This allows a particularly compact and flow-optimized design of the suction channel, so that its flow resistance can be kept low. At least one inlet region of the suction channel is arranged laterally next to the outlet of the suction line which opens into the dirt container. This allows a particularly compact and flow-optimized design of the suction channel, so that its flow resistance can be kept low. At least one inlet region of the suction channel is arranged laterally next to the outlet of the suction line which opens into the dirt container. This allows
  • the incoming suction are separated particularly effectively from entrained debris.
  • the suction flow entering the dirt container via the rear line section and the outlet of the suction line preferably hurls the debris into the direction away from the front container wall of the dirt container. The sweepings can
  • the suction air may instead undergo a 180 ° deflection within the dirt container so that it can be directed from the outlet of the suction line to the at least one inlet inlet.
  • L5 dirt container arranged. This allows the suction material entering via the outlet of the suction line to be thrown from the region of the front container wall to the rear container wall and thereby to obtain a particularly long separation distance, within which the suction air can separate from the sweeping material.
  • a rear line section of the intake passage passes through the suction channel. This allows a particularly compact design.
  • the outlet of the suction line is arranged between .5 inlet regions of the suction channel.
  • the outlet of the suction line may be pre- ⁇ see that in each case an inlet portion of the suction duct is arranged on both sides of the outlet. This allows a relative to the outlet sym- metric loading of the dirt container with negative pressure on the suction channel, whereby the flow resistance of the suction channel and thus the energy consumption of the suction unit can be kept particularly low.
  • a further inlet region of the suction channel can be arranged above the outlet of the suction line.
  • a filter device is arranged on the at least one inlet region of the LO suction channel.
  • this can be made relatively simple, since already due to the arrangement of at least one inlet region of the suction duct next to the outlet of the suction line, an effective separation of the sweeping material is achieved by the suction air.
  • the filter inlet L5 direction is formed by a sieve or a grid with a relatively large permeability.
  • the suction line has a front line section which connects the suction mouth to a rear line section of the suction line.
  • -0 suction line connects, is aligned obliquely to the vertical and has a straight course.
  • the rectilinear course of the front pipe portion of the suction pipe reduces the flow resistance of the suction flow, so that the power consumption of the sweeper can be further reduced.
  • the front line section of the suction line is preferably designed in the form of a suction hose. Thereby, the manufacturing cost of the sweeper can be kept low, and also the assembly of the sweeper is simplified.
  • the suction hose can have a shape-stabilizing reinforcing element, for example a helical wire spiral integrated in the suction hose.
  • LO longitudinal axis is rotatable.
  • the two line sections are not rigidly coupled together in such a configuration, but they can rather be rotated relative to each other about the longitudinal axis of the front line section. This causes a further simplification of the installation of the sweeper and also means that the front cable
  • L5 cut can follow a steering movement of the sweeper in a simple way.
  • .O machine having a chassis having a front and a rear frame part, which are connected to each other via a hinge, and the front pipe section of the intake pipe is connected to the front joint part and the rear pipe section of the intake pipe is connected to the rear frame part.
  • the .5 interconnected frame parts improves the steerability of the sweeper, in particular, this may have a relatively small steering radius. It is particularly suitable for sweeping narrow floor surfaces, for example, winding parking spaces.
  • the front pipe section of the suction pipe may be fixed to the front joint part, and the rear pipe section of the suction pipe may be attached to the rear joint part.
  • the rotatable connection of the two line sections is rather that the steerability of the sweeper is not affected by the suction line.
  • the adapter may for example be designed in the form of a sleeve into which the rear end of the front line section dips. It can also be provided that the adapter is designed as a pipe piece, on which the rear end of the front pipe
  • the rear end of the front line section can be connected without tools to the adapter and can be rotated relative to the latter about the longitudinal axis of the front line section.
  • the adapter is designed as a sleeve into which the rear end of the front line section can be inserted without the use of a tool, the rear end being rotatable relative to the sleeve. The rear end can be picked up with clearance from the sleeve.
  • the suction unit of the sweeper is arranged in an advantageous embodiment of the invention below the dirt container.
  • the focus of the sweeper can thereby be kept relatively low. This increases the tipping stability of the sweeper.
  • the steerability of the sweeper is improved by the lowest possible center of gravity.
  • the suction unit has a suction turbine whose axis of rotation is vertically aligned.
  • the vertical orientation of the rotary axis of the suction turbine reduces Coriolis concept when moving the sweeper by curves.
  • the mechanical load on the bearings of the suction turbine can be reduced and this in turn causes a higher Le-
  • the suction channel is at least partially integrated in the dirt container according to the invention. In this case, it is favorable if the region of the suction channel integrated into the dirt container extends within the dirt container L5 along its front container wall and along the bottom wall thereof.
  • the suction channel is preferably rounded, so that the suction flow is subject to the lowest possible flow resistance.
  • the sweeper has a water tank which is connected to nozzles arranged in the region of the at least one sweeping brush for spraying water onto the floor surface to be swept.
  • the water tank is designed trough-shaped and a top-side recording ausbil- .5 det, in which the dirt container is immersed.
  • the water tank thus surrounds at least a lower part of the dirt container at least over a partial area of its circumference.
  • the dirt container is in his lower area completely surrounded by the water tank.
  • the water tank reduces the noise pollution of the sweeper.
  • the noise-damping effect of the water tank is particularly large in a preferred design because the water tank forms a bottom-side receptacle which receives the suction turbine of the suction unit.
  • the suction turbine is thus on its top and at least over part of its circumference from
  • the top-side receptacle of the water tank via a
  • the passage may form a suction unit facing the end portion of the L5 suction channel. At this end, the inlet of the
  • suction unit On the upper side, the passage of the integrated into the dirt container area suction channel can connect, which can extend within the dirt container to the at least one inlet region.
  • the suction channel can thus be defined by the dirt container and the .0 passage of the water tank.
  • the sucked air is discharged from the suction turbine to a diffuser.
  • a diffuser This is preferably arranged on the outside of the water tank or on the rear container wall of the dirt container on .5.
  • the diffuser causes a homogeneous air distribution and ensures that the environment is affected as little as possible by the exhaust air of the sweeper.
  • a front line section of the connection line is connected via an adapter, for example a sleeve, to the rear line section of the suction line.
  • the adapter 5 is formed in a preferred embodiment of the invention from the water tank.
  • the adapter is designed as a tank area in the form of a double-walled sleeve which rotatably receives the rear end of the pre-LO ren line section, wherein the rear end can be inserted without the use of a tool in the sleeve.
  • the rear line section of the suction line which passes through the suction channel, can adjoin the adapter.
  • the water tank is designed as a one-piece plastic molded part. This allows a further reduction in the manufacturing and assembly costs of the sweeper.
  • the dirt container is preferably designed as a one-piece or multi-part molded plastic part, which is covered by one or more cover parts.
  • the dirt container has a container lower part, which is designed as a one-piece plastic molded part. > 5
  • the dirt container is preferably pivotable about a horizontal pivot axis, so that it can be tilted backwards for emptying.
  • the dirt container in combination with the water tank and the suction unit forms an assembly in the form of a vehicle body, which can be placed on a footprint of the sweeper and LO of this removable.
  • the vehicle body can be locked to the footprint.
  • the footprint can for example be formed by support rails on which the vehicle body can be placed and along which the vehicle body is displaceable.
  • Figure 1 a schematic side view of a self-propelled sweeper
  • FIG. 2 shows a sectional view of a vehicle body of the sweeping machine from FIG. 1 along the vehicle longitudinal axis with a dirt container, a water tank and a suction unit, and FIG
  • Figure 3 a sectional view of the vehicle body of Figure 2 transverse to the vehicle longitudinal axis.
  • a self-propelled sweeper 10 is shown schematically with a chassis 12, which has a front in the direction of travel 13 frame member 14 and a rear frame member 16 in the direction of travel.
  • the two frame parts 14 and 16 are connected via a hinge 17 about a vertical pivot axis
  • two steerable front wheels are rotatably mounted, in the drawing, only a front wheel 20 can be seen. Between the two front wheels, a suction mouth 22 is arranged.
  • At least one dish-shaped sweeping brush 24 is mounted on the front frame part 14, which can be rotated by means of a brush motor 25 about a nearly vertically oriented axis of rotation 26 in rotation.
  • a bottom surface By means of the sweeping brush 24, a bottom surface,
  • a driver's cab 28 is arranged, in which a user of the sweeper 10 can sit on a driver's seat 29.
  • the rear frame member 16 carries a support member 32 having a footprint carrying a vehicle body 34.
  • the vehicle body 34 is arranged by a dirt container 36 in combination with a water tank 38 and one below the dirt container 36 and the water tank 38
  • Suction unit 40 is formed and can be removed if necessary from the footprint.
  • the suction unit 40 comprises a drive motor 42 and a suction turbine 44 which is rotated by the drive motor 42 about a vertically oriented turbine axis 46 in rotation.
  • the drive movement of the drive motor 42 is transmitted via a gear 48 to the suction turbine 44.
  • the water tank 38 is formed as a one-piece, trough-shaped plastic molded part and has an upper-side receptacle 50 and a lower-side receptacle 52, which are connected to one another via a passage 53.
  • the lower-side receptacle 52 receives the suction turbine 44, which is covered by the water tank 38 and surrounded in the circumferential direction largely by the water tank 38.
  • the dirt container 36 with a container base 54 dives, which is a one-piece Kunststoffoff- molded part is formed and covered by a two-part container top 56.
  • the container top 56 is formed by a front container lid 58 and a rear container lid 60.
  • the front container lid 58 is detachably connected to the lower container part 54, in the illustrated embodiment, it is screwed to the lower container part 54.
  • the rear container lid 60 is hinged to the container base 54 and can be pivoted outwardly about a horizontal pivot axis 62 to release the container interior 64.
  • the lower container part 54 has a - in relation to the direction of travel - front container wall 66, a bottom wall 68 and a rear container wall 70 and two side walls 71, 72.
  • a central section of the front container wall 66 and the bottom wall 68 are covered on the inside by an arcuate channel wall 74, which in combination
  • L5 nation with the covered portion of the front container wall 66 and the bottom wall 68 defines a central channel portion 73 of a suction channel 77.
  • To the central channel portion 73 is connected to the bottom wall 68 of the passage 53, which defines a rear channel portion 76 of the suction channel 77, and on the inside of the front container wall 66 closes
  • the central channel section 73 and the front channel section 79 of the suction channel are integrated into the dirt container 36 and are penetrated by a .5 rear line section 78 of a suction line 80, which connects the suction mouth 22 with the container interior 64.
  • the rear pipe section 78 is formed by a pipe section 81 and a to the pipe section 81 subsequent manifold 88 formed.
  • the manifold 88 faces towards the corner region 90 of the container interior 64 between the rear container lid 60 and the rear container wall 70.
  • the suction conduit 80 comprises a rectilinear, obliquely oriented front conduit section 82 in the form of a flexible, by means of a helically bent wire coil 84 reinforced suction hose 86th
  • the manifold 88 passes through the front channel portion 79 of the suction LO channel 77 and forms with its mouth opening an outlet 89 of the suction pipe 80. Side of the outlet 89 each have an inlet region 91 and 93 of the suction channel 77 is arranged. A further inlet region 95 of the suction channel 77 is located above the outlet 89. This is clear from FIG.
  • the inlet portions 91, 93 and 95 are covered by a filter device L5 in the form of a screen 92, which is arranged between the container base 54 and the front container lid 58.
  • the formed as a suction hose 86 front line section 82 of the intake pipe 80 is connected via an adapter 100 to the rear line section
  • the adapter 100 is configured in the form of a double-walled sleeve 102, which is defined by the water tank 38.
  • the rear end 104 of the suction hose 86 is rotatably inserted into the sleeve 102 and can be rotated relative to the sleeve 102 about the longitudinal axis 106 of the suction hose 86.
  • the entire vehicle body 34 can be removed from the support member 32 and placed on the support member 32 at 5 demand. With the help of a locking device, the vehicle body 34 can be locked to the support member 32.
  • the water tank 38 is connected via a known per se and therefore in the drawing LO tion to achieve a better overview not shown water pipe with nozzles 108 in flow communication, which are held on the sweeping brush 24.
  • a water pump also not shown in the drawing, water can be pumped from the water tank 38 to the nozzles 108. Via the nozzles 108, the water can be sprayed onto the floor surface L5 to be swept. As a result, when dusting a dust development can be kept low.
  • the container interior 64 of the dirt container 36 is removed from the suction unit 40 with the aid of
  • the suction unit 40 is in fluid communication with the container interior 64 via the rear channel section 76 formed by the passage 53, the middle channel section 73 and the front channel section 79 of the suction channel 77.
  • the container interior 64 protrudes beyond the manifold 88 and the pipe section 81 of the rear pipe branch.
  • the water tank 38 also defines the sleeve 102, via which the rearward conduit portion 78 is rotatably connected to the forward conduit portion 82 of the intake conduit 80.
  • the dirt container 36 is pivotally supported on the water tank 38. For .5 emptying it can be tilted relative to the water tank 38 about a horizontal pivot axis 112 to the rear. For this purpose, not shown in the drawing, known in the art per se piston-cylinder the aggregates are used.
  • the rear line section 78 lifts off from the sleeve 102, which is formed by the water tank 38.
  • the rear line section 78 again assumes its position adjoining the sleeve 102 in which it is aligned with the front line section 82.
  • LO front container wall 66 between the inlet portions 91, 93 and 95 of the suction channel 77 can be achieved by means of the suction unit 40, an effective suction flow, so that debris can be picked up from the suction mouth 22 and transferred to the dirt container 36.
  • the suction unit 40 may in this case have a relatively low energy consumption.
  • the sweeper 10 Due to the arrangement of the suction unit 40 below the dirt container 36 and the arrangement of the water tank 38 between the dirt container 36 and the suction unit 40, the sweeper 10 has a relatively low center of gravity. The danger that the sweeping

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Refuse-Collection Vehicles (AREA)

Abstract

L'invention concerne une balayeuse automobile (10) pourvue de roues pour rouler le long d'une surface de sol, d'au moins une brosse de balayage (24) entraînable en rotation pour balayer la surface de sol, et d'un contenant de déchets (36) pouvant être soumis à une dépression par un groupe d'aspiration (40) au moyen d'un canal d'aspiration (77), et étant relié à un orifice d'aspiration (22) pour la réception de déchets au moyen d'une conduite d'aspiration (80). L'invention vise à améliorer la balayeuse (10) de telle manière que celle-ci offre un meilleur résultat de balayage tout en maintenant la consommation d'énergie à un faible niveau. A cet effet, le canal d'aspiration (77) est au moins partiellement intégré au contenant de déchets (36), la sortie (89) de la conduite d'aspiration (80) aboutissant dans le contenant de déchets (36) étant disposée à côté d'au moins une zone d'entrée (91, 93, 95) du canal d'aspiration (77).
EP09776449A 2009-03-17 2009-03-17 Balayeuse automobile Active EP2408972B9 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09776449T PL2408972T3 (pl) 2009-03-17 2009-03-17 Zamiatarka samojezdna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2009/001996 WO2010105639A1 (fr) 2009-03-17 2009-03-17 Balayeuse automobile

Publications (3)

Publication Number Publication Date
EP2408972A1 true EP2408972A1 (fr) 2012-01-25
EP2408972B1 EP2408972B1 (fr) 2012-11-21
EP2408972B9 EP2408972B9 (fr) 2013-03-13

Family

ID=41278865

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09776449A Active EP2408972B9 (fr) 2009-03-17 2009-03-17 Balayeuse automobile

Country Status (7)

Country Link
US (1) US8806704B2 (fr)
EP (1) EP2408972B9 (fr)
CN (1) CN102348851B (fr)
DK (1) DK2408972T3 (fr)
ES (1) ES2398030T3 (fr)
PL (1) PL2408972T3 (fr)
WO (1) WO2010105639A1 (fr)

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USD737005S1 (en) * 2013-04-26 2015-08-18 Alfred Kaercher Gmbh & Co. Kg Floor cleaning machine
CN103290798B (zh) * 2013-05-22 2015-07-08 南昌航空大学 垃圾清扫机器人
EP2954817B1 (fr) * 2014-06-11 2016-10-26 Hako GmbH Machine de nettoyage du sol
KR101654866B1 (ko) * 2014-11-18 2016-09-06 주식회사 드림씨엔지 교체형 봉투가 장착된 노면 청소장치
DE102015105587A1 (de) * 2015-04-13 2016-10-13 Alfred Kärcher Gmbh & Co. Kg Bodenreinigungsmaschine
CN106192841A (zh) * 2016-08-26 2016-12-07 安徽盛运重工机械有限责任公司 一种小型道路清扫车
CN107916638A (zh) * 2017-12-25 2018-04-17 徐工集团工程机械有限公司 扫路机
TWI696438B (zh) * 2018-08-15 2020-06-21 聯潤科技股份有限公司 自走式清潔裝置
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US20120060319A1 (en) 2012-03-15
DK2408972T3 (da) 2013-03-04
WO2010105639A1 (fr) 2010-09-23
CN102348851A (zh) 2012-02-08
EP2408972B9 (fr) 2013-03-13
CN102348851B (zh) 2014-03-12
PL2408972T3 (pl) 2013-04-30
US8806704B2 (en) 2014-08-19
EP2408972B1 (fr) 2012-11-21
ES2398030T3 (es) 2013-03-13

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