EP1780340A2 - Dispositif de balayage et procédé d'opération associé - Google Patents

Dispositif de balayage et procédé d'opération associé Download PDF

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Publication number
EP1780340A2
EP1780340A2 EP06016717A EP06016717A EP1780340A2 EP 1780340 A2 EP1780340 A2 EP 1780340A2 EP 06016717 A EP06016717 A EP 06016717A EP 06016717 A EP06016717 A EP 06016717A EP 1780340 A2 EP1780340 A2 EP 1780340A2
Authority
EP
European Patent Office
Prior art keywords
sweeper
sweeper according
suction
fan
sweeping
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
EP06016717A
Other languages
German (de)
English (en)
Other versions
EP1780340B1 (fr
EP1780340A3 (fr
Inventor
Mario Dipl.-Ing. Thieme
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.)
Faun Viatec GmbH
Original Assignee
Faun Viatec GmbH
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 Faun Viatec GmbH filed Critical Faun Viatec GmbH
Priority to SI200631649T priority Critical patent/SI1780340T1/sl
Priority to PL06016717T priority patent/PL1780340T3/pl
Publication of EP1780340A2 publication Critical patent/EP1780340A2/fr
Publication of EP1780340A3 publication Critical patent/EP1780340A3/fr
Application granted granted Critical
Publication of EP1780340B1 publication Critical patent/EP1780340B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E01H1/0863—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles
    • 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 invention relates to a sweeper having a fan, with a suction-side line system connected to the fan in the flow direction of the transport air upstream of the fan and with a pressure-side line system connected downstream of the fan with the fan in the direction of flow of the transport air.
  • the fan is used to suck in by means of an inlet of a nozzle assembly with rubbish laden transport air and to guide the loaded transport air through a Kehrricht notioner in which settle the coarser components of the rubbish.
  • the transport air is optionally passed with the fine components through a filter and then fed to the blower.
  • the transport air is blown out after passing through the blower through a nozzle assembly from the sweeping vehicle. It is provided that the transport air is completely blown out again after a part of the dirt components was deposited in the Kehrricht momenter or filter.
  • the present invention is therefore the object of developing a sweeper of the type mentioned in such a way that their cleaning performance is improved.
  • a sweeper with the features of claim 1.
  • the pressure-side line system can be connected to the suction-side line system or is connected, so that at least part of the transport air located in the pressure-side line system can be fed to the suction-side line system.
  • the blower exhaust air is at least partially performed in the recirculation mode, whereby the cleaning performance improved considerably.
  • the fan is preferably in suction connection with an inlet in flow connection, can be sucked through the transport air during operation of the blower from the environment.
  • This inlet may be part of a nozzle assembly and is oriented relative to the sweeping devices, such as a sweeping roller or a disc brush, so as to receive the sweeping motion moved by the sweeping devices.
  • the fan is on the pressure side with an outlet in flow communication, can be delivered by the transport air during operation of the blower to the environment, wherein the outlet disposed in the region of said inlet and may also be part of a nozzle assembly.
  • a line section connecting the suction side and the pressure side line system in which an adjustable flap is arranged such that the amount of transport air flowing from the pressure side into the suction side line system can be varied.
  • the flap can be designed in such a way that the line section connecting the line systems can be completely shut off. In this case, the recirculation system would be switched off, that is, 100% of the intake air is discharged again.
  • the flap is designed such that up to 100%, preferably up to 70% or up to 30% of the blower exhaust air can be fed to the suction-side line system. If 100% of the blower exhaust air supplied to the suction-side piping system, this means that a complete recirculation mode is present, that is, that no exhaust air is discharged. Preferably, this proportion is up to 70% or, for example, up to 30%, so that a part of the fan air supplied to the blower air blower and a part of supplied from the environment air. These values are just examples. Of course, other values or range limits are selectable.
  • the sweeper has a Kehrricht mimetic and that the pressure-side piping system is connected to the suction-side pipe system upstream of the Kehrricht justifyers or is in communication.
  • the sweeper has one or more filters, and that the pressure-side piping system with the suction-side piping system upstream of the filter or in the case of multiple filters between two filters is connectable.
  • the filter or filters are preferably located downstream of the refuse container.
  • the sweeper may have a sweeping roller. This is preferably arranged such that it can be pivoted into a position inclined relative to the horizontal. This results in the advantage that road bumps can be compensated because the roller always adapts to the road surface.
  • the sweeping roller can be arranged to oscillate on a stationary or pivotable component of the sweeper.
  • the sweeping roller can be arranged to oscillate on a pivotally arranged tie rod, in particular on the tie rod ends thereof.
  • the sweeper has a sweeping roller which is arranged such that it is pivotable relative to the longitudinal axis of the sweeper to the right or left.
  • the sweeper can be designed as a one-way sweeping and sucking machine or as a two-way sweeping and sucking machine. Therefore, it is advantageous if the sweeping roller can be selectively pivoted from the right to the left side or vice versa.
  • the sweeping roller can communicate with a tie rod. This can be pivotable about a vertical or substantially vertical axis, so that the sweeping roller is accordingly pivotable to the right or left.
  • the sweeper has one or more units, which are jointly supported on a arranged on the sweeper holding part, which consists of a substantially vertically arranged bearing pin on which one or more sleeves are rotatably mounted on each one or more units are attached.
  • the aggregates may be, for example, a plate broom and / or act around the inlet for receiving transport air and / or the outlet for the discharge of transport air.
  • the sweeping unit is a disc brush, which is arranged pivotable about two substantially horizontally and transversely to each other extending axes.
  • the one axis substantially transverse and the other axis extending substantially longitudinally to the direction of travel of the sweeper, as shown in DE 40 01 088 A1 evident.
  • the disc brush is pivoted about the axis extending transversely to the direction of travel downwards, so that it sweeps over a kidney-shaped area of the road surface. It is also possible, for example, to incline the disc brush to the pointing in the direction of travel axis on the gutter.
  • the disc brush is resiliently biased in an inclined position in which it is pivoted about the first axis in the direction of travel to the road surface and about the second axis to a gutter or in the direction of the curve, the inclination angle by stops are limited.
  • the disc broom can be supported for example on prestressed Kunststofftorsionsbuchsen.
  • a device is provided for pivoting the pan plate about the second axis against a bias.
  • the disc brush may be substantially vertically adjustable while spring biased so that when vertical adjustment as a result of uneven ground on the road surface, the inclination angles are maintained when the disc brush touches the road surface.
  • the disc brush has a suspension having as a resilient element only a single rubber spring (Silent bush), in the inner bush, the support shaft of the disc plate is held, so that the disc brush is resiliently pivotable about two intersecting axes, of which one approximately in the vehicle longitudinal direction and the other extends transversely to the vehicle.
  • Silent bush a single rubber spring
  • the sweeper has at least one disc brush with a suspension for the disc brush, which has a pivotable about a vertical axis to the vehicle frame, substantially horizontal pivot arm on which an outer tube piece is fixed with a vertical axis in which non-rotatably guided an inner pipe section axially displaceable and retractable by a pneumatic cylinder, and having a support frame mounted on the vehicle frame or preferably attached to the lower end of the inner pipe piece support plate, on which the two axes intersecting axes brush plate is held, which can be pressed against spring force from an inclined about the two axes operating position, wherein a plate broom overlapping bearing plate is attached to one end of a support shaft, the other end befe by a rubber spring on the support plate or a holding part stigt is.
  • On the bearing plate may also be arranged a drive motor for the disc brush.
  • the sweeper has a nozzle assembly whose inlet has an adjacent to the road surface and pointing in the direction of travel opening, which is closed by a hinged on the nozzle assembly Erten flap, wherein the preferably horizontally extending hinge axis arranged in the direction of travel in front of the opening is and the flap has a curved around the hinge axis wall which closes the opening in the closed state of the flap and is inclined with its the road surface facing edge region in the direction of travel to the road surface or parallel to this and is pivoted to open the flap around the hinge axis from the road surface and the opening upwards.
  • a flap opens due to lying on the road surface objects only as far as necessary for receiving the object. This has the advantage on the one hand that no operation of the flap is required. On the other hand, there is an advantage in that the air velocity is reduced only in the measure due to the flap opening.
  • the curved wall runs out tangentially in the upper area. In this way, when opening the flap it is achieved that the upper edge of the inlet opening is outside the path of the flap, i. a frictional engagement between the curved wall of the flap and the upper edge of the opening can be largely avoided.
  • the curved wall rests with its upper portion on an elastic sealing element which is attached to the nozzle assembly adjacent to the upper edge of the opening.
  • the flap may be formed substantially as a segment of a hollow cylinder, wherein the hinge axis is substantially parallel to the cylinder axis or coincides with this.
  • the sweeper comprises a traction motor for their locomotion and one or more hydraulically driven working tools, wherein the group of hydraulically driven working tools include the blower, the disc brush and the sweeping roller.
  • the group of hydraulically driven working tools include the blower, the disc brush and the sweeping roller.
  • other hydraulically driven working tools are conceivable. It is referred to the DE 298 06 388 U1 , the subject of which is also included in the disclosure of this patent application.
  • Such an embodiment of the invention has the advantage that the sweeper can be constructed relatively compact and a comparatively has low curb weight.
  • the traction motor drives at least one hydraulic pump, by means of which the flow of the hydraulic medium for driving the working tools can be generated.
  • the hydraulic pump may be, for example, an axial piston pump with swash plate control.
  • the traction motor drives an axial piston pump with swash plate control, via which the hydraulic flow to drive the hydraulically driven working tools can be fed.
  • a construction engine serving axial piston motor can be operated as a constant hydraulic motor.
  • the hydraulic pump is preferably drivable via a gear-independent auxiliary drive of the drive motor.
  • a demand flow control can be provided at different drive speeds of the drive motor and the resulting different drive speeds to the pump shaft.
  • This demand flow control is based on a pressure that is measured behind the pump outlet. If the set pressure is reached, the variable pump does not change the flow rate. If the pressure behind the pump outlet drops when a load is connected, the pump increases the flow rate by changing the angle of attack of the oblique letter until the set pressure is reached again. If the pressure increases by switching off consumers, the pump regulates the flow rate accordingly.
  • This control of the flow through the variable displacement pump works equally at different drive speeds based on the pump shaft.
  • the proportional valve can allow a continuous regulation of the flow rate, whereby a sensitive speed adjustment of the consumer can be realized.
  • At least one proportional valve supplies the demand flow control signal for the axial piston pump.
  • the axial piston directly serves as a drive of a high-performance blower, which is directly connected via an elastic coupling with the blower.
  • the traction motor drives two hydraulic pumps, by means of which two separate flow rates for driving the working tools can be generated. Two separate hydraulic pumps can better meet the performance requirements of different work tools.
  • the traction motor drives a first hydraulic pump for driving the fan and a second hydraulic pump for driving further working tools.
  • the first hydraulic pump provides the larger flow to drive the fan or the turbine driving the fan, while the second hydraulic pump can be made smaller and only the smaller flow for driving z.
  • B. disc brush and roller brush provides.
  • a control computer for controlling or regulating the first hydraulic pump is provided.
  • the flow rate for driving the blower can be set exactly.
  • the first hydraulic pump is connected in a closed circuit to the fan drive.
  • the fan drive is advantageously a turbine.
  • a measuring device for determining the rotational speed of the drive motor and a measuring device for determining the rotational speed of the fan drive supplies the control computer with the corresponding rotational speed signals.
  • the control computer regulates at a drop in the speed of the Driving motor, the first hydraulic pump, which as described above advantageously an axial piston pump with swash plate control, so after that the flow rate of the first hydraulic pump and thus the speed of the fan drive remains constant.
  • an adjustment for specifying a desired speed of the fan drive to the control computer is provided.
  • This may e.g. be designed as a mounted in the cab potentiometer.
  • the control computer then controls the first hydraulic pump based on the desired speed of the fan drive and based on the speed of the drive motor and the actual speed of the fan drive.
  • the second hydraulic pump via a load-sensing circuit is controlled.
  • This demand flow control has already been described above and is advantageously based on an open circuit between the second hydraulic pump, a proportional valve block and the other consumers.
  • the invention further relates to a method for operating a sweeper with a fan which sucks in transport air via a suction-side line system and delivers transport air via a pressure-side line system, wherein at least part of the blower exhaust air is supplied to the suction-side line system.
  • Figure 1 a shows the leadership of the suction and exhaust air of a sweeping vehicle according to the invention.
  • the sweeping vehicle has a nozzle assembly which is supported by means of wheels against the road surface.
  • the nozzle arrangement comprises the suction shaft 12 and the blowing shaft 14, 12 transport air is sucked together with rubbish by means of the suction chute.
  • the blower shaft 14 serves to deliver transport air from the sweeping vehicle to the environment.
  • the air is sucked by means of the blower 20.
  • the loaded transport air takes the flow pattern shown by the arrows 22.
  • the sucked air first flows into the refuse container 30, in which coarser dirt components are separated.
  • the air then flows out of the refuse container to the inlet side 21 of the blower 20 and is conveyed from its outlet side into the blowing chute 14, as indicated by dotted arrows.
  • the refuse is fed to the inlet of the suction chute 12 by means of the plate insert 40 and the sweeping roller 50, which can be seen in particular from Figure 1 c.
  • FIG. 1b shows the upper section of the blower shaft 14 and the line section 15, by means of which the pressure side of the blower 20 is in communication with the suction side of the blower.
  • this line section 15 is the Regulierklappe 16, which is in accordance with Figure 1 b, left view in the closed position.
  • the entire blower exhaust air flows to the blower shaft 14 and then into the ambient atmosphere.
  • the flap 16 is opened, as shown in Figure 1 b, right illustration, the exhaust air flow is divided. It is guided on the one hand into the blowing shaft 14 and then into the environment and on the other hand into the line section 15.
  • the guided through the line section 15 portion of the air is mixed with the supplied via the suction chute 12 suction air and then fed to the container 30 again. In this way, the blower exhaust air is partially recirculated, whereby the cleaning performance of the sweeper is improved, especially with regard to fine dust.
  • FIGS. 1 c and 1 d show the arrangement according to FIG. 1 a in different perspective illustrations.
  • FIG 2 shows different views of the sweeping roller 50 of the sweeper according to the invention.
  • the sweeping roller 50 is pivotably mounted by means of two brackets 52 so that it can be adjusted in its inclination, as can be seen from Figure 2, which shows the sweeping roller 50 in a left-inclined, in a horizontal and a right-angled orientation.
  • Each of the brackets 52 has a bore disposed on the tie rod end 54 so that the bracket 52 can be reciprocated about the longitudinal axis of the tie rod end 54.
  • Figure 3 shows the disc brush 40 and the sweeping roller 50 of the sweeping vehicle according to the invention in different positions.
  • Figure 3 a shows the disc brush 40 in its parking position, in which this in the raised position below the sweeping vehicle is arranged.
  • the sweeping roller 50 is shown in its left-hand position. From FIG. 3 a, the track rod 53 can be seen, in whose head regions 54 according to FIG. 2 the brush roller 50 is oscillating, as has been explained with reference to FIG.
  • the tie rod 53 is pivotable about the vertical axis 55, so that the sweeping roller 50 can perform not only a pendulum movement of Figure 2 but also a pivoting movement in order to move the sweeping roller from the left position to the right position shown in Figure 3 d.
  • a guide 56 is provided, which is arranged stationary and on which the tie rod 53 or a guide element arranged on it runs.
  • the movement of the sweeping roller 50 or the tie rod 53 can be effected for example by means of a pneumatic cylinder.
  • FIG. 3 b shows the disc brush 40 in a position pivoted into a first stage.
  • the position of the sweeping roller 50 corresponds to that explained for Figure 3 a.
  • FIG. 3 c shows the disc brush 40 in its second pivoted-out stage.
  • the sweeping roller 50 is still in the position shown in Figure 3a.
  • FIG. 3 d shows the plate broom in its parking position according to FIG. 3 a, but the broom in its right-hand position, in which the tie rod 53 is received in the right-hand stop area.
  • the sweeping roller 50 which can be pivoted from left to right or vice versa, has the advantage that it can be used both on unilaterally reciprocating and suctioning machines as well as on both sides sweeping and sucking machines.
  • the oscillating arrangement of the sweeping roller has the advantage that its mobility is significantly improved, so that road irregularities can be compensated because the sweeping roller 50 always adapts to the road surface.
  • FIG. 4 shows a circuit diagram of the hydraulic control of an embodiment of the sweeping machine according to the invention.
  • Both hydraulic pumps are driven by the drive motor of the sweeper, the diesel engine 80.
  • they are connected via a propeller shaft 81 and a coupling 82 with this.
  • the blower pump 90 forms a closed hydraulic circuit with the turbine engine 101 of the blower and is controlled by a control computer 95 by means of an electromagnet 83.
  • the control computer 95 receives rotational speed signals of the diesel engine 80 and of the turbine engine 101 and keeps the desired rotational speed of the turbine engine 101 set via a potentiometer mounted in the driver's cab by a corresponding activation of the turbine pump 91.
  • the turbine pump 91 is designed as a variable displacement pump.
  • the second hydraulic pump 91 is connected via an open hydraulic circuit with the other hydraulically powered consumers such as. the disc broom and the roller connected.
  • a hydraulic block 102 is provided, with which the second hydraulic pump is connected via a pressure line 96, to which in turn the other consumers are connected.
  • the hydraulic block 102 has proportional valves and controls the adjustable second hydraulic pump 91 via a line 97.
  • the working hydraulics is driven by a conventional LS control.
  • a hydraulic oil tank 93 is provided with an oil filter 94 connected to the hydraulic pumps via suction pipes and drain pipes. Also, the hydraulic block 102 is connected via a return line to the hydraulic oil tank. Furthermore, an oil cooler 92 is provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Cleaning In General (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Ventilation (AREA)
EP06016717.8A 2005-08-10 2006-08-10 Dispositif de balayage et procédé d'opération associé Active EP1780340B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200631649T SI1780340T1 (sl) 2005-08-10 2006-08-10 Pometalni stroj in postopek za obratovanje pometalnega stroja
PL06016717T PL1780340T3 (pl) 2005-08-10 2006-08-10 Zamiatarka i sposób eksploatacji zamiatarki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005037866A DE102005037866A1 (de) 2005-08-10 2005-08-10 Kehrmaschine und Verfahren zum Betrieb einer Kehrmaschine

Publications (3)

Publication Number Publication Date
EP1780340A2 true EP1780340A2 (fr) 2007-05-02
EP1780340A3 EP1780340A3 (fr) 2009-11-18
EP1780340B1 EP1780340B1 (fr) 2013-07-03

Family

ID=37398654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06016717.8A Active EP1780340B1 (fr) 2005-08-10 2006-08-10 Dispositif de balayage et procédé d'opération associé

Country Status (7)

Country Link
EP (1) EP1780340B1 (fr)
DE (1) DE102005037866A1 (fr)
DK (1) DK1780340T3 (fr)
ES (1) ES2425041T3 (fr)
PL (1) PL1780340T3 (fr)
PT (1) PT1780340E (fr)
SI (1) SI1780340T1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007013720A1 (de) * 2007-03-22 2008-10-02 Lobbe Industrieservice Gmbh & Co. Kg Reinigungssystem für Gleisanlagen
DE102021106553A1 (de) * 2021-03-17 2022-09-22 Faun Viatec Gmbh Luftreinigungssystem

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950865A1 (de) * 1969-10-09 1971-04-29 Keller & Knappich Gmbh Lenkarm-Halterung einer Besenwalze in Strassenkehrmaschinen
DE4001088A1 (de) * 1990-01-17 1991-07-25 Faun Umwelttechnik Gmbh Kehrfahrzeug
EP0621376A1 (fr) * 1993-04-19 1994-10-26 BUCHER-GUYER AG Maschinenfabrik Balayeuse de rues avec ventilateur de circulation d'air
DE29806388U1 (de) * 1998-03-23 1998-08-06 Faun Müller Umwelttechnik GmbH, 04668 Grimma Kehrmaschine
DE19901873A1 (de) * 1999-01-19 2000-07-20 Faun Mueller Umwelttechnik Gmb Aufhängung eines Tellerbesens an einem Kehrfahrzeug

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1950865A1 (de) * 1969-10-09 1971-04-29 Keller & Knappich Gmbh Lenkarm-Halterung einer Besenwalze in Strassenkehrmaschinen
DE4001088A1 (de) * 1990-01-17 1991-07-25 Faun Umwelttechnik Gmbh Kehrfahrzeug
EP0621376A1 (fr) * 1993-04-19 1994-10-26 BUCHER-GUYER AG Maschinenfabrik Balayeuse de rues avec ventilateur de circulation d'air
DE29806388U1 (de) * 1998-03-23 1998-08-06 Faun Müller Umwelttechnik GmbH, 04668 Grimma Kehrmaschine
DE19901873A1 (de) * 1999-01-19 2000-07-20 Faun Mueller Umwelttechnik Gmb Aufhängung eines Tellerbesens an einem Kehrfahrzeug

Also Published As

Publication number Publication date
SI1780340T1 (sl) 2013-10-30
PT1780340E (pt) 2013-07-11
DK1780340T3 (da) 2013-09-30
DE102005037866A1 (de) 2007-02-15
PL1780340T3 (pl) 2013-12-31
EP1780340B1 (fr) 2013-07-03
EP1780340A3 (fr) 2009-11-18
ES2425041T3 (es) 2013-10-11

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