EP1108816A2 - Procédé et dispositif pour le nettoyage de sable - Google Patents

Procédé et dispositif pour le nettoyage de sable Download PDF

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Publication number
EP1108816A2
EP1108816A2 EP00127157A EP00127157A EP1108816A2 EP 1108816 A2 EP1108816 A2 EP 1108816A2 EP 00127157 A EP00127157 A EP 00127157A EP 00127157 A EP00127157 A EP 00127157A EP 1108816 A2 EP1108816 A2 EP 1108816A2
Authority
EP
European Patent Office
Prior art keywords
sand
sensor
processing device
elevator
frame
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.)
Withdrawn
Application number
EP00127157A
Other languages
German (de)
English (en)
Other versions
EP1108816A3 (fr
Inventor
Rainer Maurer
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.)
SANDMASTER
Original Assignee
Individual
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
Priority claimed from DE29921991U external-priority patent/DE29921991U1/de
Priority claimed from DE1999160209 external-priority patent/DE19960209C1/de
Application filed by Individual filed Critical Individual
Publication of EP1108816A2 publication Critical patent/EP1108816A2/fr
Publication of EP1108816A3 publication Critical patent/EP1108816A3/fr
Withdrawn legal-status Critical Current

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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
    • E01H12/00—Cleaning beaches or sandboxes

Definitions

  • the present invention relates to a method and an apparatus for sand cleaning.
  • Sand here means granular, mineral materials made in particular of quartz, lime, dolomite or granite, with a typical Grain size from about 1 to 6 mm.
  • Crossing includes in particular the Loosening, aeration and removal of contaminants, whereby the sand is raised above its surface and a sieve passes that secretes the impurities.
  • Typical uses of the Inventions concern the cleaning of sand on sandpits and on Fall protection areas below play and climbing equipment, furthermore the Sand areas at diving pits and shot put systems in schools and sports facilities, also sandy areas on bathing beaches and leisure facilities.
  • the sand elevator is typical with a variety of sand conveying elements (strips, shovels, cups) provided on a motorized, endless conveyor (parallel or spaced chains or belts or a single, wide circumferential band made of rubber material) attached are those between one that can be immersed in the sand to be cleaned Grave position and a discharge position, preferably above the head rotates from which the lifted with the help of the sand conveyor elements Sand is thrown onto a sieve which allows the sand to pass and that separates contaminants that get into the receptacle.
  • the sieve can be an inclined vibrating sieve, and the sieve Sand that has passed automatically falls behind the reception point back to the sand surface.
  • That on wheels, caterpillars and / or chains running rack is typically with at least one motor-driven shaft equipped to a mobile, self-propelled To create sand cleaning device.
  • the one on the chassis Engine typically an internal combustion engine, is expediently included a hydraulic pump coupled to the various consumers (Travel drive, conveyor of the sand elevator) via hydraulic lines supplied with hydraulic fluid.
  • a hydraulic pump coupled to the various consumers (Travel drive, conveyor of the sand elevator) via hydraulic lines supplied with hydraulic fluid.
  • Cladding and housing of at least the sand elevator is typically one Cladding and housing of at least the sand elevator provided.
  • Gram piece denotes - depending on the adjustment / lowering of the sand elevator that section of the conveyor with conveyor elements, which is immersed in the sand to be cleaned, so that the moving conveying elements Dig into the sand and pick up sand.
  • Gram position denotes such a position of the conveyor, in which dips the grave into the sand to be cleaned.
  • “Digging depth” denotes the distance within the sand to be cleaned between the middle sand surface and the bottom edge of the bottom Conveying element when the grave piece occupies its grave position.
  • the reference point for the sand surface can be the massive, heavy frame serve the sand cleaning device when it is on the sand surface stands or drives. It is therefore the immersion depth of the grave opposite the sand surface, and thus the vertical distance of this grave determined to the chassis of the sand cleaning device.
  • a grave section serves to collect sand from the sand elevator a selectable one that is immersed at different depths in the sand to be cleaned Working position (grave position) and one above the sand surface located rest position is adjustable.
  • the grave piece takes this rest position, for example, when the mobile sand cleaning device automatically from your transport vehicle to the place of use drives, or if the sand cleaning device in the course of sand cleaning is reset. Starting from this rest position, the Digging piece can be lowered until it is deep enough to be cleaned Immersing sand so that the sand elevator picks up and circulates sand can.
  • Such lowering of the grave section is achieved by adjusting the sand elevator regarding a frame holding the sand elevator (chassis) reached the sand cleaning device.
  • a such an adjustment can pivot the entire sand elevator, for example be hinged to the chassis.
  • the pivoting does one be hydraulically operated piston / cylinder arrangement, its piston rod adjusted the sand elevator so that its grave more or less immersed deep in the sand.
  • the entire sand elevator along two, parallel and at a distance from each other as well as almost vertically aligned, fixed to the chassis Rails (down) to the sand surface or away from the sand surface (move up).
  • the downward adjustment (Lowering) is typically done solely under the action of gravity. At least take care of the upward adjustment a hydraulically actuated piston / cylinder arrangement that between a carrier on the chassis and an abutment on the sand elevator is.
  • Document EP 0 319 420 B1 discloses a self-propelled machine for cleaning beaches.
  • the well-known, with its own drive provided device has a tilting container into which the collected Waste is promoted. It is also at the front in the direction of travel on the device a pivotally arranged conveyor, which on his Inlet in a scraper that ends over the beach to be cleaned slides to pick up waste, which is then processed using the two-stage Conveyor are conveyed into the tilting container.
  • There is a on the conveyor Articulated frame, attached to the crossbar hanging rods are in a plane before the front end of the scraper are located and which serve as "feelers" and when bent over generate a signal beyond a predetermined amount.
  • It can be is an optical or acoustic signal, or this signal can act directly on the drive of the machine to bring it to a standstill bring to. With these "feelers" rocks and others can be found the objects to be cleaned are found, before the scraper strikes it.
  • the detection and reporting of irregularities on the sand surface has no relation to a digging depth measurement, which measures how deep that Digging an elevator into the sand at a given time immersed below the chassis.
  • Document DE 36 27 015 A1 discloses an earth clearing device, for example in the form of a bucket wheel excavator, with a chassis on which there is an elevator, the inclination of which changes with respect to the chassis can be.
  • An adjusting cylinder is used to change the elevator inclination, which is assigned a sensor that detects the respective elevator inclination and converts them into electrical signals that a signal processing device be fed.
  • this known sensor does not have the function of a "digging depth sensor", because the known elevator is not compared to its holding and Chassis lowered and immersed in the floor below the chassis becomes. Rather serves to control the work of the known An additional ultrasound transmitter and receiver combination, which is rigidly connected to the earth clearing device and the terrain in front of the earth clearing device in the direction of travel.
  • Sand boxes can have a sand depth profile with different sand depths exhibit. Proper sand cleaning requires adjustment this sand depth profile. Correct billing requires exact Detection of the depth (or thickness) of the sand layer according to the Given local conditions within the sandpit. Also As a client, the municipality often wishes a concrete, verifiable one Proof of the service actually performed, that is actually it circulated sand volume.
  • the present invention provides a solution to the foregoing Task with a method that specified in claim 1 Has measures as well as with a device that the claim 11 features specified.
  • this signal processing device for recording, storing and processing electrical Signals, for obtaining data from these signals and for storage, Provision and provision of this data, briefly below "Signal processing device”.
  • this signal processing device a microprocessor-based storage unit.
  • This signal processing device is expediently protected in housed in a stable, all-round closed housing, which on Chassis is attached.
  • At least one digging depth sensor which the current digging depth forms signals and to the Signal processing device delivers.
  • the sand elevator is preferably longitudinally almost vertical (at an angle of approximately 80 ° to the horizontal) arranged rails (locksmith guide) downwards, towards the sand surface, or upwards, from the sand surface held adjustable on the chassis.
  • the lowering takes place under the action of gravity.
  • a hydraulic is used for lifting actuated lifting cylinder.
  • this lifting cylinder can be stationary be attached to the chassis, and the more or less far from the The piston rod protruding from the lifting cylinder moves the sand elevator more or less far up.
  • the length of the from the lifting cylinder protruding piston rod section forms a measure of how deep dips the end of the grave of the sand elevator into the sand to be cleaned.
  • the digging depth sensor can be used as a length measuring sensor be formed, which is the length of the extended from the lifting cylinder Piston rod section detected.
  • the measured value can start immediately the extended piston rod section or indirectly detected by forming a difference within the lifting cylinder become.
  • a length measuring piston / cylinder arrangement be whose cylinder is fixed to the chassis, and whose piston is adjusted by a piston rod that has one end is hinged to the sand elevator and the other end to the piston.
  • the Piston rod is adjusted in the same direction (empty) with the sand elevator, and the position of the piston in the cylinder forms a measure of the position of the Tomb end of the sand elevator inside the sand.
  • the cylinder is equipped with internal sensors that detect this piston position and thus form an electrical digging depth signal that is sent to the signal processing device is transmitted.
  • this sensor arrangement can be used within the cylinder electrical sliding resistance be formed, the change in resistance the change in position of the piston rod and thus the digging depth of the grave is proportional.
  • the resulting electrical signal is an electrical voltage which (still inside the sensor or is digitized within the signal processing device) and stored, displayed and within the signal processing device is kept ready for evaluation.
  • the stationary arrangement of the lifting cylinder on the frame is preferred the alternative arrangement could also be chosen, in which the lifting cylinder is attached to the sand elevator, and the free piston rod end is hinged to the frame.
  • one or more lifting cylinders can be provided with respect to the frame become.
  • a digging depth range between the sand surface and the maximum digging depth typically extends over the sand to be cleaned a distance of about 40 to 50 cm. Within this digging depth range the actual, current digging depth with an accuracy of ⁇ 1 centimeter can be recorded and specified.
  • the length of the from the length measuring sensor scannable measuring section for example the length of the sliding resistance, will typically be larger than this digging depth range.
  • the chassis of the sand cleaning device typically runs open Pneumatic wheels and can because of its massive and mechanically stable Construction serve as a reference point for the sand surface when the Sand cleaning device stands or drives on the sand surface.
  • the signal processing device is equipped with a microcomputer, which at least the digging depth signal formed by the digging depth sensor stores and has them ready for internal or external processing and provides to ultimately clean up that in a given period of time Calculate and display sand volume. If the digging signal is not already delivered in digitized form, the Signal processing device additionally an analog-to-digital converter be assigned to the incoming analog signals in digital signals converts.
  • the signal processing device can preferably have a clockwork be assigned with a calendar (timer IC). That way the current digging depth signal, the associated date and the associated Time (operating hours counter). This increases the Value of the protocol to be created in the end.
  • the sensor or sensors generated signals continuously or intermittently to the signal processing device delivered. These signals are preferably continuous to the signal processing device and there queried and stored periodically, for example at intervals of 1 sec.
  • a route sensor can preferably be provided on the chassis be the movement of the chassis along the sand surface forms corresponding signals and to the signal processing device supplies.
  • This route sensor can preferably be a sensor which the number of revolutions of the shaft detected, which a drive wheel on the chassis drives.
  • this sensor can be in the form of a combination from permanent magnets on the shaft and stationary reed contact be formed of a pulse each time the magnet passes generated, which is supplied to the signal processing device.
  • this rotation sensor in the form of an inductive proximity switch be trained.
  • Different sand cleaning devices can have different wheel sizes have on their chassis.
  • the respectively applicable Wheel size (such as wheel diameter or circumference) protected with the help a password in the microcomputer on the signal processing device or in the laptop performing the evaluation.
  • the calibration and calibration of the signal processing device with respect to the route signals generated in this way typically takes place based on a test drive in which the length of an actually driven Distance measured using a tape measure or the like becomes.
  • a direction of rotation sensor can be in the form, for example a hydraulic switch can be formed, which in the drive hydraulic motor leading hydraulic line is used.
  • the sand elevator is also an operating state sensor assigned, which the operating state (reproducing or not operating) signals from the sand elevator forms and delivers to the signal processing device.
  • the operating state sensor With the help of this Signals will - preferably taking into account the date and time - recorded when the device circulated sand. If the operating status sensor reports a standstill of the elevator, it remains the route reported by the route sensor during the calculation of the circulated sand volume not taken into account.
  • This operating condition sensor can for example be in the form of a hydraulic switch be in the hydraulic line leading to the elevator drive hydraulic motor is inserted.
  • the floor surface or the subsurface is a
  • the area of sand inside a sandpit is often not even. Because of there are irregularities in the local conditions, for example tree roots, which protrude into the sand layer.
  • the sand cleaning device along the sand surface must Operator by adjusting the immersion depth of the Grave piece in the sand layer an ongoing adaptation to this local conditions and irregularities. It results a digging depth profile related to the current route to be taken into account. From the combined acquisition and evaluation of the digging depth signals and the route signals can also with irregular San sub-surface exactly the volume of sand actually circulated calculate and display. This, preferably in a protocol printed information is for the client as well as for the exporter of commercial sand cleaning is extremely revealing and valuable.
  • the sand raised and transported by the sand conveyor elements is carried out while maintaining appropriate distances and circulation speed of the conveyor belt - preferably above the head of the sand elevator largely vertical (from the point of view of the discharge point at an angle of thrown about 100 ° to the horizontal) and passed mostly this strainer.
  • the sieve can be a wire mesh that is inside a rectangular metal frame is held. A mesh size from 8 to 15 mm and a wire thickness of approx. 1.5 mm have proven their worth. Impurities and foreign substances do not pass through the sieve, but rather are separated from the sand with the help of the sieve and separated out and get into a container under the effect of gravity at the foot of the sieve.
  • this collection container can be a elongated, trough-like box or basket, the walls of which are made of one coarse-meshed lattice structure, which prevents the falling sand lets happen.
  • a Knocker attached to the sieve holder provided, which periodically on Sieve frame strikes and triggers vibrations of the sieve, which support the removal of such large-scale contaminants.
  • the Knocker can be a guided and adjustable bolt with a solid Have head; the bolt is periodically driven by an electric actuator adjusted against the spring force of a coil spring. After reaching at a trigger point, the spring strikes and strikes the bolt head with considerable momentum against the sieve frame and thus releases the sieve vibrations out.
  • the screen can, for example for cleaning purposes, from its holder removed and removed from the sand cleaning device.
  • the sand cleaning device could also be removed Sieve operated, but the result of sand cleaning would be insufficient.
  • a sieve presence sensor which electrical, the presence or absence of the strainer on the intended Generating space-generating signals and sent to the signal processing device supplies.
  • this sieve presence sensor be an electrical proximity sensor in the area of the screen holder is appropriate.
  • the collecting container must also come out of it at regular intervals Holder at the foot of the sieve removed and from the sand cleaning device be removed to remove the contaminants accumulated therein and empty foreign substances.
  • the sand cleaning device also operated with the collecting container removed the result of sand cleaning would be insufficient.
  • a collecting container presence sensor present, which electrical, the presence or absence of the collection container in the functional Position detected signals generated at the intended place and to the Signal processing device delivers.
  • this container presence sensor be an electrical proximity meter which is attached in the area of the container holder.
  • the conveyor device (conveyor belt) of the sand elevator can be driven by a hydraulic motor to which the required hydraulic fluid is supplied via hydraulic lines.
  • This hydraulic fluid is circulated with the aid of a hydraulic pump which is driven by the internal combustion engine on the mobile sand cleaning device.
  • the load delivery of the internal combustion engine is adjusted in accordance with a control by the operator or this controls the load absorption and thus the immersion depth of the digging piece.
  • the position of a throttle valve on the internal combustion engine depends on its load delivery and thus ultimately also forms a measure of the position (digging depth) of the digging piece.
  • a throttle valve sensor available, which the position of the throttle valve on the internal combustion engine detected and corresponding electrical signals to the Signal processing device delivers.
  • a conventional throttle valve sensor designed as a resistance transducer be used. The evaluation of the throttle valve sensor supplied signals provides a cross-check for whether the entire Sand cleaning device has been used properly, and whether the results from the evaluation of the other sensors delivered signals have been received, appear plausible.
  • the entirety of the above signals are continuously formed and delivered to the signal processing device.
  • the ongoing there incoming signals are periodically, for example at intervals of queried for about 1 sec and evaluated using the microcomputer.
  • the data obtained in the evaluation are ultimately not in a volatile memory inscribed.
  • the signals provided in this way can then read out from the signal processing device if necessary are processed further, for example with the help of a laptop, and externally to finally print out a log that ultimately the overall operating behavior of a mobile sand cleaning device documented during a given work assignment, including the volume of sand cleaned during this period Includes depth of work.
  • the signal processing device is located in a sturdy housing made of aluminum (IP 67) With the help of screws is attached to a frame, which in turn is on the chassis is supported.
  • the housing contains the entire, for Operation of the signal processing device required electronics, furthermore a clockwork with calendar (timer IC) for the formation of day and time.
  • the electronics is made with the help of an elastic cover (silicone lacquer) protected against vibrations and weather influences.
  • On the front side The housing has an LCD display, three buttons for input of data as well as a multi-pin plug connection for reading out data, for example to connect a laptop.
  • Located on the back wall the connectors for connecting the signal lines to the different sensors. The supply of electrical energy takes place from the running internal combustion engine on the mobile sand cleaning machine.
  • the length measuring sensor (digging depth sensor) delivers an analog voltage signal that is digitized.
  • the speed detection sensor (route sensor) delivers electrical impulses in the signal processing device be counted, added up and saved. All other sensors deliver voltage signals, especially 12V, when switched on Signals.
  • the signal acquisition and transmission preferably takes place continuously.
  • the query is preferably carried out periodically, for example in Intervals of about 1 sec.
  • the evaluation of these signals, and the storage of this evaluation Data obtained is carried out using a microcomputer, which is integrated in the signal processing device.
  • the finally generated Data is written into a non-volatile memory and held there for reading.
  • the drive motor is first used to operate the sand cleaning device started to also the signal processing device and the To supply sensors with electrical energy.
  • the "Up” or “Down” button on the front of the housing becomes a storage space allocated to the object, process or work order selected; the third key confirms this memory location. It can be provided that all other sensors only then be activated after a zero point adjustment of the digging depth sensor has been carried out.
  • the signal processing device can be a transmission device are assigned, and those held ready in the signal processing device Data is continuously or periodically or on request with the help of this transmitter to a remote receiver transmitted where they are further evaluated.
  • the signal processing device can be a mobile radio device be assigned, with the help of which the data in the Internet can be set. The operator of the sand cleaning device then retrieves this data from the Internet and carries out the further evaluation by.
  • the sand cleaning device forms a mobile, self-propelled device, that removed to a self-propelled road roller or snow blower remind.
  • a number Controls during operation of one, behind the device operating operator can be operated.
  • To the essential Components include a frame 10 running on wheels 36, 56, a sand elevator 60 held adjustable with respect to the frame 10 Internal combustion engine 40 with coupled hydraulic pump 42 and various further aggregates.
  • a front, horizontally oriented lower (near the ground) Side member 11 is angled, almost vertically aligned Brace 18 with a rear, horizontally oriented, upper one Side member 25 connected.
  • In pairs, parallel and at a distance arrangement of these supports 11, 25 and struts 18 relative to one another is with each other via a plurality of horizontally aligned cross members 26, 27, 28 connected and forms a stable frame 10.
  • Each hanging Brace 23 on the rear, upper side member 25 forms together with one rear cross member 28 a hanging bridge 29.
  • Two short side members 24 are with one end on this bridge 29 and with the other End supported on a centrally arranged cross member 27 and form a bracket 30 for a, provided with a differential gear 33 and drive shaft 35 which can be driven by a hydraulic motor 34, a drive wheel 36 is firmly attached to the ends of each. Every drive wheel 36 has a steel rim 37 on which a strongly profiled pneumatic tire 38 sits.
  • An internal combustion engine 40 is located on this holder 30 supported, on the shaft 41 of which a hydraulic pump 42 is flanged, from which several hydraulic lines lead to a control block 43. In this control block 43 are various control valves 44, 44 ', 44 ", ... used, which is operated with the aid of the operating levers 45, 45 ', 45 ", ... become.
  • the internal combustion engine is a motor vehicle battery 47 and a fuel tank 48 assigned, which are also supported on the bracket 30.
  • the front area is on the two lower side members 11 and these connecting front cross members 26 one from front wall 13 and two angled side walls 14 existing guide 15 for the Sand elevator 60 welded on.
  • Parallel to these side walls are on the two lower longitudinal beams 11 abutments 12 welded to them the two legs 51 of a U-shaped bracket 50 are articulated, its extensive horizontal alignment with the help of hydraulic cylinders 16 is adjustable.
  • On this bracket 50 are two, in vertical Rotatable wheel suspensions 52 for one non-driven each Impeller 56 arranged.
  • Each impeller 56 is significantly smaller than the drive wheels 36 and also has a steel rim 57 on the one Pneumatic tire 58 sits.
  • the sand cleaning device can be mounted on these four wheels 36, 56 drive automatically when the drive shaft 35 of Drive wheels 36 is motor-driven.
  • the sand elevator 60 comprises a conveyor 70, a hydraulic motor 78 for driving the conveyor 70, a sieve 80, a Baffle plate 85, a collection container 83, a panel 87 and one stable frame 61 to which these components are attached.
  • the Conveyor 70 essentially consists of a wide, endless, encircling band 71 made of rubber-elastic material that over lower pulleys 72 and upper pulleys 74 is guided.
  • the top Deflection rollers 74 sit on a driven shaft by a Toothed belt 79 is driven, which in turn is driven by a hydraulic motor 78 is driven.
  • the hydraulic motor 78 is filled with hydraulic fluid acted on and the hydraulic lines 46 "up and is led away, which in turn is connected to the control block 43 are.
  • conveyor elements 76 On the outside (facing away from the deflection rollers) of the band 71 transverse to the conveying direction and parallel and at a distance from each other Many conveyor elements 76 attached.
  • these conveyor elements 76 made of solid, double angled (trough-shaped) Metal strips, which are screwed onto band 71.
  • the angled free edge portion 77 extends in the direction of Conveying direction of the belt 71.
  • the width of the belt 71 is chosen so that the entire sand elevator 60 in the space between the two lower side members 11 finds space, but this space largely fills out.
  • Deflection rollers 72 partially or completely below surface 3 of the sand to be cleaned 2.
  • the lower guide rollers 72 with the attached Passing belt 71 and the conveyor elements 76 attached to it define a grave piece 73 of the sand elevator 60; define accordingly the upper pulleys 74 a head 75 of the sand elevator 60.
  • Die at the grave 73 passing conveyor elements 76 dig into the Sand 2, take up sand and transport this sand upwards up to the head piece 75.
  • the sand "Hurled overhead" onto a sieve 80 which is essentially parallel to align the conveyor 70 and at a distance from the descending Band section is arranged.
  • This sieve 80 consists of a wire mesh 81, which is attached to a rectangular sieve frame 82. Typically forms the direction of the sieve 80 (from the perspective of the head piece 75) with the horizontal an angle of about 100 °.
  • the whole predominant portion of the transported by the conveyor 70 Sandes passes through the sieve 80 and arrives at a parallel and at a distance baffle plate 85 arranged on screen 80, on which the circulated sand trickled down and reached the sand surface 3 again.
  • baffle plate 85 arranged on screen 80, on which the circulated sand trickled down and reached the sand surface 3 again.
  • At the foot of the Siebes 80 is one that extends across the entire width of the sieve and elevator Collecting container 83 removably attached.
  • this collecting container from a cuboid box or trough, whose walls are made of wire mesh that the circulated sand pass through can.
  • the upper part of the conveyor 70 and the other components of the sand elevator 60 are housed within a cladding 87, in the recesses 88, 89 for removing the sieve 80 and of the collecting container 83 are recessed.
  • One is used for lifting hydraulically operated piston / cylinder arrangement (short: hydraulic cylinder) whose cylinder 90 on the front cross member 26 of the frame 10 and the end 92 of the piston rod protruding from the cylinder 90 91 is hinged to the upper cross member 62 of the frame 61.
  • hydraulic cylinder 90 By loading of hydraulic cylinder 90 with hydraulic fluid can be the whole Sand elevator 60 are raised with respect to the frame 10 as far as until its grave 73 is above the sand surface 3.
  • the internal combustion engine 40 started.
  • the hydraulic pump molded onto the motor shaft 41 42 pushes the hydraulic fluid through the control block 43 and through the various hydraulic lines 46, 46 ', 46 ", ... to the individual consumers, for example the hydraulic motor 34 on the drive shaft, the hydraulic motor 78 for driving the conveyor or the hydraulic cylinder 90 for lowering / raising the sand elevator 60.
  • a housing 101 that has several struts 102 on the frame 10 is supported. Inside this housing 101 is before access and protected from the weather, a microcomputer-supported signal processing device 100 housed. In the wall of the case 101, a number of connection sockets or plug connectors 103 are used, to which - not shown - signal lines or lines for reading of data from the signal processing device 100 can be connected are. Furthermore, the housing is provided with a display device (not shown), as well as - not shown - buttons or switches for input commands into the signal processing device 100.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Cleaning By Liquid Or Steam (AREA)
EP00127157A 1999-12-14 2000-12-12 Procédé et dispositif pour le nettoyage de sable Withdrawn EP1108816A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19960209 1999-12-14
DE29921991U DE29921991U1 (de) 1999-12-14 1999-12-14 Vorrichtung zur Sandreinigung
DE29921991U 1999-12-14
DE1999160209 DE19960209C1 (de) 1999-12-14 1999-12-14 Verfahren und Vorrichtung zur Sandreinigung

Publications (2)

Publication Number Publication Date
EP1108816A2 true EP1108816A2 (fr) 2001-06-20
EP1108816A3 EP1108816A3 (fr) 2003-05-02

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EP00127157A Withdrawn EP1108816A3 (fr) 1999-12-14 2000-12-12 Procédé et dispositif pour le nettoyage de sable

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109947A1 (de) 2011-10-27 2013-05-02 Christian Stöttner Verfahren zur Reinigung von Sanden und Vorrichtung zur Durchführung des Verfahrens
DE102019217807A1 (de) * 2019-11-19 2021-05-20 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Verfahren und Vorrichtung zur Sandreinigung
DE102020130206A1 (de) 2020-11-16 2022-05-19 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Vorrichtung und verfahren zur sandreinigung
DE102022100698A1 (de) 2022-01-13 2023-07-13 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Vorrichtung zur Sandreinigung

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DE3627015A1 (de) 1986-08-09 1988-02-11 Krupp Gmbh Automatisches regelsystem fuer eine kontinuierliche schnittkantenregelung
DE3209134C2 (fr) 1982-03-12 1989-08-10 Rainer 7400 Tuebingen De Maurer
EP0319420B1 (fr) 1987-12-03 1991-03-06 Jean-Claude Thoer Machine automotrice pour le nettoyage des plages
DE4007409A1 (de) 1990-03-06 1991-09-12 Gerhard Huebner Verfahren zum entfernen von fremdkoerpern aus boeden und vorrichtung zur durchfuehrung des verfahrens
DE3437926C2 (de) 1984-10-17 1994-04-28 Horst Wallefeld Vorrichtung zur Reinigung des Sandes von Kinderspielplätzen und Sporteinrichtungen o.dgl.

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DE3209134C2 (fr) 1982-03-12 1989-08-10 Rainer 7400 Tuebingen De Maurer
DE3437926C2 (de) 1984-10-17 1994-04-28 Horst Wallefeld Vorrichtung zur Reinigung des Sandes von Kinderspielplätzen und Sporteinrichtungen o.dgl.
DE3513454A1 (de) 1985-04-15 1986-10-16 Walter 8000 München Britsch Fahrbare vorrichtung zum ausscheiden von fremdkoerpern aus sand
DE3627015A1 (de) 1986-08-09 1988-02-11 Krupp Gmbh Automatisches regelsystem fuer eine kontinuierliche schnittkantenregelung
EP0319420B1 (fr) 1987-12-03 1991-03-06 Jean-Claude Thoer Machine automotrice pour le nettoyage des plages
DE4007409A1 (de) 1990-03-06 1991-09-12 Gerhard Huebner Verfahren zum entfernen von fremdkoerpern aus boeden und vorrichtung zur durchfuehrung des verfahrens

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012109947A1 (de) 2011-10-27 2013-05-02 Christian Stöttner Verfahren zur Reinigung von Sanden und Vorrichtung zur Durchführung des Verfahrens
DE102019217807A1 (de) * 2019-11-19 2021-05-20 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Verfahren und Vorrichtung zur Sandreinigung
EP3825468A1 (fr) 2019-11-19 2021-05-26 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Procédé et dispositif de nettoyage du sable
DE102020130206A1 (de) 2020-11-16 2022-05-19 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Vorrichtung und verfahren zur sandreinigung
EP4001508A1 (fr) 2020-11-16 2022-05-25 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Dispositif et procédé de nettoyage du sable
DE102022100698A1 (de) 2022-01-13 2023-07-13 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Vorrichtung zur Sandreinigung
EP4212671A2 (fr) 2022-01-13 2023-07-19 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Dispositif automoteur pour le nettoyage du sable
EP4212671A3 (fr) * 2022-01-13 2023-10-11 Sandmaster Gesellschaft für Spielsandpflege und Umwelthygiene mbH Dispositif automoteur pour le nettoyage du sable

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