EP0769592A1 - Dispositif pour enlever et transporter de la boue - Google Patents

Dispositif pour enlever et transporter de la boue Download PDF

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Publication number
EP0769592A1
EP0769592A1 EP96115604A EP96115604A EP0769592A1 EP 0769592 A1 EP0769592 A1 EP 0769592A1 EP 96115604 A EP96115604 A EP 96115604A EP 96115604 A EP96115604 A EP 96115604A EP 0769592 A1 EP0769592 A1 EP 0769592A1
Authority
EP
European Patent Office
Prior art keywords
container
conveyor
conveying
designed
dirt
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
EP96115604A
Other languages
German (de)
English (en)
Other versions
EP0769592B1 (fr
Inventor
Karl Wiedemann
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.)
Individual
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 DE19538845A external-priority patent/DE19538845C2/de
Priority claimed from DE19538846A external-priority patent/DE19538846C2/de
Application filed by Individual filed Critical Individual
Publication of EP0769592A1 publication Critical patent/EP0769592A1/fr
Application granted granted Critical
Publication of EP0769592B1 publication Critical patent/EP0769592B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
    • E03F7/10—Wheeled apparatus for emptying sewers or cesspools

Definitions

  • the invention relates to a device for picking up and removing dirt according to the preamble of claim 1.
  • the barrel-shaped sludge container is provided at its rear end with a hinged lid forming the container rear wall.
  • the hinged lid is opened for emptying.
  • the container is raised at its end opposite the hinged lid for emptying.
  • an ejection piston is provided which is displaceably arranged in the sludge container and which is moved from a front waiting position into a rear ejection position to eject the contents of the container.
  • the dropping can advantageously take place in the middle of the container, so that the goods thrown into the container are distributed there by themselves.
  • the conveying device protruding from the container can be arranged in such a way that there is a substantially higher discharge edge compared to the discharge edge of the container, so that even comparatively tall containers can be easily loaded.
  • Another advantage of the measures according to the invention is that the material to be discharged from your dirt container can be applied slowly and more or less continuously and thrown into the container. A surge that can lead to contamination of the surroundings by splashes of dirt etc. is advantageously not to be feared. It is therefore easily possible to transfer the dirt into a container even within a residential area etc., thereby avoiding long travel times for the sewer cleaning vehicle and improving its economy.
  • sewer sands etc. due to their contamination by faeces etc. may no longer be deposited in a landfill, but must be disposed of, which is simplified by the ease of refilling into a container according to the invention, which also contributes to increasing the economy.
  • the measures according to the invention thus result not only in a high degree of user-friendliness, but also in a high overall economy.
  • the area of the conveying device protruding from the container can expediently be designed as a separate conveying element which can advantageously be brought from a working position protruding from the container into a non-protruding driving position and vice versa.
  • the conveying member can be easily detachable.
  • the conveying member can be designed as a conveyor belt which engages under the rear dirt outlet of the container.
  • Such a construction is advantageously particularly well suited for retrofitting existing sewer cleaning vehicles with tipping or piston emptying.
  • the conveyor element is designed as a screw conveyor that can be attached to the rear dirt outlet of the container. This advantageously results in a closed transport path up to the discharge edge and thus a particularly clean working method.
  • the cross section of the dirt outlet expediently corresponds to the cross section of the screw conveyor.
  • the conveying element projecting to the rear is preceded by a conveying element which is arranged in the interior of the container and is preferably designed as a screw conveyor. This acts as a clearing element assigned to the container bottom, through which the conveying element protruding from the container can be continuously acted upon.
  • the conveying device has an area which underneath the container, which has at least one dirt outlet pointing downward.
  • This is expediently designed as a longitudinal conveyor element, the rear discharge edge of which is covered by a further conveyor element forming the protruding area.
  • the dirt gets out of the container by gravity alone.
  • An emptying device informs one Tilting device or a push-out piston or a push-out screw etc. is advantageously not required here.
  • FIGS. 1 to 5 The structure and mode of operation of sewer cleaning vehicles are known per se and therefore do not require any more extensive explanation in the present context.
  • the sewer cleaning vehicles on which FIGS. 1 to 5 are based each have a drum-shaped sludge tank 2 which is accommodated on a vehicle chassis 1 and which is acted upon in a known manner, for example by evacuation, with the sludge which can be sucked up from the sewer to be cleaned.
  • FIG. 5 shows that water tanks are provided for holding rinsing water, with which a clearing hose which can be lowered into the channel to be cleaned can be acted upon in a manner known per se.
  • a box comprising the sludge container is provided to form a water tank, which can be divided into several chambers.
  • a clearing hose (not shown here) is lowered into it, which is supplied with flushing water via a high-pressure pump accommodated on the chassis 1.
  • the loosened sludge which is a mixture of sand, impurities from faeces etc., and water, is removed using a sucked into the channel of the lowerable suction hose and thrown into the sludge tank.
  • this can be evacuated by means of a compressor accommodated on the chassis 1.
  • the suction hose can be wound on a reel, which is arranged with the axis standing on the barrel-shaped sludge container.
  • the reel-side end of the suction hose is connected via a rotary connection to an inlet nozzle opening into the sludge container 3.
  • the barrel-shaped sludge tank 2 is mounted on the chassis 1 in the region of its rear end by means of a bearing block arrangement 3 and can be tilted about a horizontal axis and raised at its front end.
  • a lifting device 4 here inform a cylinder arrangement articulated on the chassis 1 and on the sludge tank 2, is provided.
  • the rear end wall of the sludge container 2 is designed as a hinged cover 5, which is connected in a hinge-like manner to the sludge container 2 in the upper apex area and can be fixed by circumferential closures on the opposite edge of the sludge container 2.
  • the hinged lid 5 is opened and the lifting device 4 is actuated, so that the sludge container 2 is raised at the front. This position is the basis of Figure 1.
  • the sludge tank 2 is also at its rear end with a provided the rear container wall forming hinged lid 5, which is opened for emptying.
  • an ejection piston 6 is provided here in the container 2, which can be moved backwards from a front waiting position to eject the contents of the container when the hinged lid 5 is open, as indicated in FIG. 2 by a movement arrow.
  • the sludge container 2 can remain on the chassis 1.
  • the conveyor belt 7 overlaps a container 10.
  • the arrangement is such that the drop indicated at 11 takes place approximately in the middle of the container. This ensures that the goods thrown into the container 10 are practically distributed there by themselves and manual interventions are not required.
  • the conveyor belt 7 is arranged obliquely rising to the rear, whereby a comparatively large ground clearance results. This ensures that even containers with a comparatively large height and correspondingly large capacity can be operated.
  • Baffle plates or chutes 12 can be provided for channeling the material coming out of the sludge container 2. These can extend over the entire length of the conveyor belt 7 or, as here, only over a partial length.
  • the chassis 1 For receiving the conveyor belt 7, the chassis 1 is provided with a receiving device, here inform of holding plates 13, on which the conveyor belt 7 can be fixed in the operating position shown. This fixation is releasable, so that the conveyor belt 7 can be moved from the operating position indicated by solid lines to a driving position indicated by broken lines. In the driving position, the conveyor belt 7 in the present case is stowed in a compartment provided below the sludge container 2.
  • a guide can expediently be provided, by means of which the conveyor belt 7 can be displaced from the driving position into the operating position and vice versa, which results in a high degree of user-friendliness.
  • the conveyor belt 7 is suitably equipped with its own drive motor 14. This can be flanged on the side. This is expediently a hydraulic motor which can be connected via hydraulic lines which can be coupled to a hydraulic pump which is usually present on sewer cleaning vehicles here.
  • the sludge tank 2 is provided with a fixed rear wall, which has only in its lower area an opening 15 which forms the dirt outlet, to which a short connecting piece 16 projecting towards the rear is attached. This can be closed by means of a removable cover 17. But it would also be conceivable to attach the opening 15 and the nozzle 16 to a cover of the type indicated above at 5, which would remain closed here for emptying, but could facilitate a revision of the interior of the container 2.
  • the barrel-shaped sludge container 2 has a funnel-shaped cross section in the region of its lower half, the lower apex region of which is rounded. In this way, a groove 18 running along the bottom of the container is formed.
  • This acts as a conveyor trough for an assigned conveyor, here inform a conveyor screw 19.
  • the radius of the trough 18 corresponds to the radius of the conveyor screw 19 plus one Reduction of wear kept distance.
  • the screw conveyor 19 extends here into the pipe 16, which is aligned with it and contains the dirt outlet 15. This is closed during suction operation by means of a cover 21 shown in FIG.
  • the screw conveyor 19 has a central shaft, which is designed here as a tube with radial nozzle bores.
  • the tube forming the shaft can be acted upon by pressurized water, which is sprayed off via the nozzle bores, as indicated in the figure by arrows.
  • the said tube as shown in FIG. 4, can be connected via a rotary connection to a line which can be connected to a hydrant or expediently to the on-board high-pressure pump.
  • the front end of the channel 18 is formed by a step formed there on the sludge tank 2.
  • This step results in a niche open at the bottom in the front container area, in which a drive motor 20, which can be a hydraulic motor and is connected to the shaft of the screw conveyor 19, can be accommodated.
  • this niche also enables space-saving accommodation of a high-pressure pump and a compressor.
  • the floor area of the sludge tank 2, which runs away from the step mentioned, is inclined in a slide-like manner.
  • 16 webs arranged in a star shape can be provided in the region of the connecting piece.
  • the screw conveyor 19 can be mounted in the area of the aforementioned step.
  • the screw conveyor 19 is in the example shown from two flanged sections, which facilitates production.
  • the screw conveyor 19 can be in operation for distributing the picked up goods.
  • the motor 20 enables a reversing drive.
  • the content of the sludge container 2 is dewatered. This can result in a separation of the absorbed material into sedimenting solids which remain in the sludge tank 2 and connect floating substances which can be recycled into the channel.
  • the dewatered and optionally cleaned residue in the sludge tank 2 is applied.
  • the screw conveyor 19 can be driven by means of the motor 20 in such a way that the dirt outlet 15 is acted upon by the contents of the container.
  • a conveyor belt 7 projecting rearwards from the sludge container 2 is also provided, through which a container 10 can be loaded.
  • the conveyor belt 7 provided here is received on the sludge container 2.
  • 16 angular holding plates 21 are provided in the area of the connecting piece, on which the conveyor belt 7 can be detachably fixed.
  • the conveyor belt 7 In the driving position, the conveyor belt 7 can also be in a compartment below the sludge container 2 be housed.
  • a pivotable arrangement or a displaceable arrangement would also be conceivable.
  • the conveyor belt 7 here engages under the edge of the socket 16, which is normally closed by a cover 17. To empty the sludge container 2, the cover 17 is removed, the conveyor belt 7 is brought into position, and the screw conveyor 19 and the conveyor belt 7 are put into operation.
  • the conveyor belt 7 can also be driven by means of an associated hydraulic motor 14.
  • the sludge container 2 in the example shown can be pivoted about a front pivot axis and can be raised by means of a rear lifting device 22. In this way, a comparatively high rear discharge edge of the conveyor belt 7 can be achieved.
  • the action on the conveyor belt 7 by means of the screw conveyor 9 arranged in the sludge container 2 results in a high level of security against contamination of the surroundings.
  • a pipe is attached to the nozzle 16 containing the dirt outlet 15 of the sludge container 2, which tube forms the tubular housing of a screw conveyor 24 for loading a container 10.
  • the length of this projecting conveyor element corresponds to approximately half the container length, so that one Actuation of the container 10 is reached approximately in its middle.
  • the screw conveyor 25 arranged in the tubular housing can be coupled to the inner screw conveyor 19.
  • the screw conveyor 24 protruding rearward from the sludge container 2 is provided with its own drive motor 26, which can also be a hydraulic motor.
  • the screw conveyor 24 is releasably attachable to the nozzle 16 instead of the removable cover 17.
  • the lid 17 is simply removed and the screw conveyor 24 is attached. In normal sewer cleaning operation, this can be stowed in an assigned compartment of the sewer cleaning vehicle. A fixed, permanent arrangement would also be conceivable.
  • the material conveyed out of the sludge container 2 is channeled up to the rear discharge edge 11a, which results in a particularly high level of security against contamination of the surroundings.
  • the sludge container 2 can, as in the embodiment according to FIG. 3, be raised at its rear end by means of a lifting device 22. Also with regard to the design of the sludge container 2 and the inner conveying member 19, there is identity with the embodiment according to FIG. 3.
  • the container 2 which can be provided with a cover of the type indicated above at 5, which can be removed for inspection purposes, has on the bottom side a row of four funnels 27 narrowing downwards, each of which has a lower end at its lower end have a cover 28 closable opening. These openings each function here as dirt outlet 29, as indicated by exit arrows. Accordingly, there are four dirt outlets 29 arranged in a row one behind the other and pointing downward. These are enclosed by a longitudinal conveyor element arranged below the container 2, here a conveyor belt 30.
  • the conveyor belt 30 ends in the area of the rear end of the container.
  • the discharge edge of the conveyor belt 30 is underpinned by a further conveyor element, here likewise inform a conveyor belt 7.
  • This conveyor belt 7 projecting to the rear corresponds practically to the conveyor belts 7 of FIGS. 1 to 3.
  • a container 10 standing by means of the conveyor belt 7 projecting to the rear can be filled with the dirt discharged from the container 2, as indicated at 11.
  • the discharge edge is also located approximately in the middle of the container.
  • the conveyor belt 7 is detachably received on holding plates 13 which are fastened to the chassis 1. Im not needed Condition is the conveyor belt 7 in a compartment, here below the conveyor belt 30, stowable, as indicated by broken lines.
  • the conveyor device consisting of the conveyor belts 30 and 7 arranged one behind the other can have a common drive motor which is expediently designed as a hydraulic motor. In this case, the two conveyor belts 30 and 7 must be able to be coupled to one another.
  • each conveyor belt 30, 7 expediently has its own drive motor, preferably designed as a hydraulic motor.
  • the container content is fed through the funnels 27 to the dirt outlets 29 arranged at its lower end and reaches the conveyor belt 30 with the cover 28 removed in each case.
  • the container 2 could be raised and lowered at one or alternately at both ends will.
  • a corresponding device is indicated at 22 in FIGS. 3 and 4.
  • the sedimenting solids which would block the channel are retained and the floating substances are returned to the channel.
  • the remaining solids are freed of impurities such as faeces and can easily be deposited in a landfill or as recycling material e.g. can be used as construction sand or grit sand.
  • a flotation device is provided in the sludge tank 2, as can be seen from FIGS. 4 and 5, through which the tank contents are charged with clean rinsing water and preferably also air, which causes strong turbulence.
  • the flotation device here contains the screw 19 and flanking or tangential air injection tubes 31 which can be pressurized with compressed air. The floating substances detach from the sedimenting sediments and form a floating layer, as shown in FIG. 5.
  • the sludge container 2 contains a compartment loaded with the absorbed material, which is passed through at the front Overflow weir 32 is limited, via which the floating layer can flow off as soon as the water level in the assigned compartment of the sludge tank 2 has reached the weir height.
  • the sludge container 2 is advantageously tilted by means of the rear lifting devices 22.
  • Behind the weir 32 there can be a compartment of the sludge tank 2 which functions as a collecting tank and which has an outlet which is permeable to floating substances, via which the floating materials together with the excess flushing water which is continuously fed to the entrance-side compartment of the sludge tank 2 and also via the said weir flows out, can flow back into the channel.
  • cleaned sand etc. is thus spread out, which simplifies longer storage in containers which are set up in residential areas, since there is no fear of any unpleasant odors.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Refuse Collection And Transfer (AREA)
  • Cleaning In General (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Vending Machines For Individual Products (AREA)
  • Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
  • Treatment Of Sludge (AREA)
EP96115604A 1995-10-19 1996-09-28 Dispositif pour enlever et transporter de la boue Expired - Lifetime EP0769592B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19538845A DE19538845C2 (de) 1995-10-19 1995-10-19 Vorrichtung zum Aufnehmen und Abführen von Schmutz
DE19538845 1995-10-19
DE19538846 1995-10-19
DE19538846A DE19538846C2 (de) 1995-10-19 1995-10-19 Vorrichtung zum Aufnehmen und Abführen von Schmutz

Publications (2)

Publication Number Publication Date
EP0769592A1 true EP0769592A1 (fr) 1997-04-23
EP0769592B1 EP0769592B1 (fr) 2000-01-19

Family

ID=26019589

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96115604A Expired - Lifetime EP0769592B1 (fr) 1995-10-19 1996-09-28 Dispositif pour enlever et transporter de la boue

Country Status (5)

Country Link
EP (1) EP0769592B1 (fr)
AT (1) ATE189022T1 (fr)
DE (1) DE59604220D1 (fr)
ES (1) ES2143695T3 (fr)
GR (1) GR3033141T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0959187A1 (fr) * 1997-04-16 1999-11-24 Karl Wiedemann Dispositif pour prélever et traiter de la boue
CN105829611A (zh) * 2014-03-07 2016-08-03 卡尔·维德曼 水道和/或街道清洁车
CN107034983A (zh) * 2016-04-19 2017-08-11 上海誉帆环境科技有限公司 一种管道泵泥装置
CN118906953A (zh) * 2024-09-13 2024-11-08 通亚汽车制造有限公司 一种具有举升罐体与副车架联动锁紧机构的吸污车

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932653A1 (de) * 1969-06-27 1971-04-22 Keller & Knappich Gmbh Kolbenausstossvorrichtung fuer Schlammsaugewagen u.dgl.
DE8901954U1 (de) * 1989-02-18 1990-03-22 Pampel, Günter, 4973 Vlotho Aufnahmevorrichtung für Schlämme

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1932653A1 (de) * 1969-06-27 1971-04-22 Keller & Knappich Gmbh Kolbenausstossvorrichtung fuer Schlammsaugewagen u.dgl.
DE8901954U1 (de) * 1989-02-18 1990-03-22 Pampel, Günter, 4973 Vlotho Aufnahmevorrichtung für Schlämme

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0959187A1 (fr) * 1997-04-16 1999-11-24 Karl Wiedemann Dispositif pour prélever et traiter de la boue
CN105829611A (zh) * 2014-03-07 2016-08-03 卡尔·维德曼 水道和/或街道清洁车
CN107034983A (zh) * 2016-04-19 2017-08-11 上海誉帆环境科技有限公司 一种管道泵泥装置
CN118906953A (zh) * 2024-09-13 2024-11-08 通亚汽车制造有限公司 一种具有举升罐体与副车架联动锁紧机构的吸污车

Also Published As

Publication number Publication date
ATE189022T1 (de) 2000-02-15
EP0769592B1 (fr) 2000-01-19
GR3033141T3 (en) 2000-08-31
ES2143695T3 (es) 2000-05-16
DE59604220D1 (de) 2000-02-24

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