EP0106412A1 - Vorrichtung zum Reinigen von Produkten - Google Patents

Vorrichtung zum Reinigen von Produkten Download PDF

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Publication number
EP0106412A1
EP0106412A1 EP83201459A EP83201459A EP0106412A1 EP 0106412 A1 EP0106412 A1 EP 0106412A1 EP 83201459 A EP83201459 A EP 83201459A EP 83201459 A EP83201459 A EP 83201459A EP 0106412 A1 EP0106412 A1 EP 0106412A1
Authority
EP
European Patent Office
Prior art keywords
drum
rotary axis
anyone
frame
shaft
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
EP83201459A
Other languages
English (en)
French (fr)
Other versions
EP0106412B1 (de
Inventor
Gertrudis Maria Gerardus De Gier
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.)
Metaalwarenfabriek A P Verachtert BV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19840403&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0106412(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT83201459T priority Critical patent/ATE26731T1/de
Publication of EP0106412A1 publication Critical patent/EP0106412A1/de
Application granted granted Critical
Publication of EP0106412B1 publication Critical patent/EP0106412B1/de
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/64—Buckets cars, i.e. having scraper bowls
    • E02F3/65—Component parts, e.g. drives, control devices
    • E02F3/654—Scraper bowls and components mounted on them
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/18—Drum screens
    • B07B1/22—Revolving drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/001—Cleaning bricks
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
    • E01C23/12—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor
    • E01C23/121—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for taking-up, tearing-up, or full-depth breaking-up paving, e.g. sett extractor with non-powered tools, e.g. rippers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
    • E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
    • E02F3/404—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors comprising two parts movable relative to each other, e.g. for gripping
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/64—Buckets cars, i.e. having scraper bowls
    • E02F3/6409—Self-propelled scrapers
    • E02F3/6418—Self-propelled scrapers with rotatable scraper bowls for dumping the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/64—Buckets cars, i.e. having scraper bowls
    • E02F3/6409—Self-propelled scrapers
    • E02F3/6427—Self-propelled scrapers with elements of the scraper bowls being pivotable for dumping the soil
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators

Definitions

  • the invention relates to a device for cleaning products such as, for example, paving stones or the like comprising a frame with coupling members for attaching to a lift mechanism of a vehicle and a drum journalled in said frame and adapted to rotate about an at least substantially horizontal rotary axis, the wall of said drum having holes and the drum wall comprising two parts of curved section which are relatively pivotable between a first position in which the drum is open for receiving stones and a second position in which the drum is closed.
  • Such a device is known from Dutch Patent Application 8004941.
  • the two drum parts are relatively pivotable about a pivotal shaft journalled in the drum wall, whilst in the closed state the drum has a circular section.
  • the centre of gravity of the drum in the open state lies, during operation, at a fairly large distance from the vehicle supporting the device, for example, a wheeled loader or the like, which also has an adverse effect on the capacity of the device.
  • the invention has for its object to provide a device of the kind set forth by which the above-mentioned disadvantages of the known device can be mitigated.
  • a first part of the drum is provided with a prolongation adjoining the curved part, which prolongation adjoins the curved part in an at least substantially tangential direction
  • the second part being at least substantially concentric with the rotary axis of the drum is pivotable with respect to the first part about the pivotal axis between the open postion in which the second part extends along the first part and the closed position in which the second part extends between the ends of the first part.
  • the material to be picked up during operation can be shifted effectively along the prolongation into the drum so that the energy required for pickung up is reduced and the loading capacity is raised.
  • the device can be constructed in a compact manner with an advantageous location of the centre of gravity both in the open and the closed position of the drum.
  • the drum is preferably adjustable with respect to the coupling members in two positions turned about a vertical axis through at least substantially 180°.
  • the frame of the device comprises a few horizontal frame beams 1 and 2 lying one above the other, between which curved plates 3 are arranged. To the plates 3 are secured at right angles plates 4 having holes 5 and recesses 6 for coupling the device with, for example, the lifting device of a vehicle, for example, a wheeled loader or the like.
  • struts 7 and 8 On both sides of the device struts 7 and 8 are fastened to the above-mentioned frame parts. To the ends of the struts 7 and 8 remote from the first-mentioned frame parts are fastened bearing bushes 9 serving to support a drum 10 arranged between the struts 7 and 8 on both sides of the device and adapted to rotate about a horizontal rotary axis.
  • the bearing bushes 9 For supporting the drum the bearing bushes 9 comprise short shafts 12 supported by ball bearings 11 and having blind bores 13.
  • the shafts 12 are provided with collars 14 subtending an angle of about 180 0 and being provided at their ends with projecting noses 15. From Fig. 4 it will be apparent that boundary faces 16 of the-protruding collar are in contact with similar boundary faces of a collar 17 subtending an angle of 180° and being integral with a hub 18.
  • the hub 18 is fastened to a plate 19, which is secured by bolts (not shown) to an annular plate 20, which is fastened to a sidewall 21 of a first drum part 22.
  • a shaft 23 is located in the hub 18 and the blind bore 13 of the shaft 12 are screwed with the aid of a screwthreaded part 24 into the bore of the hub 18 also having screwthread in part of the length.
  • a bolt 25- is welded to the accessible end of the shaft 23.
  • Fig. 2 shows the drum 10 in the position which the drum will occupy when picking up material, for example, stones lying on the ground. From this Figure it will be apparent that the foremost boundary line 24' of each sidewall 21 of the drum part 22 located for the major part above the rotary axis 23' formed by the registering centre lines of the shafts 12 is upwardly inclined at an angle of about 50 0 .
  • the adjoining outermost boundary edges of the side plates are at least substantially concentric with the rotary axis 23' up to a plane going horizontally through the rotary axis 23', after which the distance between the rotary axis 23' and the outermost boundary of the drum part 22 gradually decreases, said part finally terminating in an at least substantially tangential part at the level of the ends of the sidewalls 21 terminating in a tip and being interconnected by a broad strip 25' convering the entire width of the drum and being bevelled at the front.
  • the front edge of the strip 25' is provided with projecting tines 26.
  • the curved wall of the drum part 22 is formed by a plurality of horizontal bars 27, which form the upper part of the drum wall in the position of said part shown in Fig. 2 and by a plurality of bars 28 extending parallel to a plane normal to the rotary axis 23 and forming the hindmost and lowermost part of the wall of the drum part 22 in the position shown in Fig. 2.
  • a beam 29 of at least substantially trianguler section is arranged parallel to the strip 25', said beam interconnecting the bars 28 and having its underside located in a plane going through the underside of the plate 25. It is furthermore apparent from Fig. 2 that the wall part of the drum part 22 adjoining the front edge 24' and being concentric with the rotary axis 23' and formed by the bars 27 is nearer the rotary axis than an adjoining part beginning at the level of the square-section beam 30 extending between the sidewalls 21.
  • the drum comprises a second drum part 33 provided with two side plates 34, whose outer edges being concentric with the rotary axis 23' are interconnected with the aid of beams 35 extending parallel to the rotary axis. Between these beams 35 bars 36 are extending concentrically with the rotary axis 23'. In the position shown in Fig.
  • the second drum part 33 is concentric with and subtends at least substantially the same angle as that part of the second drum part 22 which is slightly nearer the rotary axis 23' than the adjoining curved wall portion of the drum part 22.
  • a beam 35 forming one end of the curved wall portion of the drum part 33 is in contact with the beam 30 of the first drum part 22.
  • the beam 35 forming the other end of the curved wall portion of the drum part 33 is provided with projecting tines 37.
  • each side wall or plate 34 of the second drum part 33 is coupled by means of a pivot pin 40 the end of a piston rod 41 of a setting cylinder 42, which is pivoted to a sidewall 21 of the drum part 22 by means of a pivot pin 43 extending parallel to the pivot pin 40.
  • the second drum part 33 can be turned with respect to the first drum part 22 from the open position of the drum shown in Fig. 2 to the closed position of the drum shown in Fig. 1, in which the tines 37 pass between the tines 26, the portion of the drum part 33 curved around the rotary axis closes the opening between the ends of the wall portion of the drum part 22 extending around the rotary axis and the plates 34 together with the plates 21 close at least substantially completely the sides of the drum.
  • one shaft 12 has a screw threaded bore 44 concentric with the cente line of the shaft, into which a first part 45 of a coupling member is screwed.
  • This part 45 is rotatable with respect to the coupling part 46 about an axis coinciding with the rotary axis of the drum, whereby with part 46 communicate an inlet duct and an outlet duct 47 for the supply and drainage of fluid respectively.
  • the bore 44 is in open communication with a channel 44' in the shaft 12 opening out in a tapped bore 44'' in the projecting collar 14, into which a connecting nipple 48 is screwed.
  • the connecting nipple 48 communicates with a duct 49 to be connected with the setting cylinders 42.
  • a duct can be passed through one of the hollow pipes 27 of the first drum part 22 extending parallel to the rotary axis.
  • the shaft 12 located on the other side of the drum than the shaft 12 shown in Fig. 3 is provided with a prolongation protruding from the sleeve 9 on the side remote from the collar 14 concerned.
  • This prolongation has fastened to it a sprocket or pulley 50 (Fig. 1), which is connected by means of a chain or .belt 51 with a driving motor, for example, a hydraulic motor 52.
  • Lock bolts 53 are furthermore coupled with the frame so that these lock bolts are pivotable about pivotal axes 54 extending parallel to the rotary axis 23' with respect to the frame with the aid of setting cylinders 55, that is to say, between the position indicated in Fig. 1 by solid lines and the position indicated in Fig. 1 by broken lines.
  • the ends of the lock bolts 53 are located in the aforesaid holes 32 in plates 31 forming part of the first drum part 22. It will be obvious that in this position the first drum part 22 is locked against a turn about the rotary axis 23'.
  • the device aescribed above operates as follows.
  • the frame can be fastened to the lifting mechanism of a vehicle, for example, the lifting arms of the hydraulic lifting device of a wheeled loader or the like.
  • the device When the drum is in the opened position shown in Fig. 2, the device can be propelled by the vehicle in the direction of the arrow A, whilst the plate 25' and the beam 10 are slipped along the ground by their undersides. Material lying on the ground can then be advanced along the plate 25' and the adjoining bars 28 into the opened drum. Owing to the initially horizontal and gradually ascending inner wall of the drum part 22 formed by the plate 25' and the bars 28 this introduction of the material is progressively performed. It is also possible to pick up material from a large heap since the inlet opening between the free ends of the drum part 22 has a large height and the interior of the drum is completely free of parts hindering or disturbing the introduction of the material.
  • the drum When sufficient material is picked up in the drum, the drum can be closed by turning the second drum part 33 from the open position of the drum shown in Fig. 2 into the closed position shown in Fig. 1. Moreover, the drum can be moved upwards by means of the lifting device of the vehicle and after the lock bolts 53 are turned from the position indicated by broken lines into the position indicated by solid lines the drum can be caused to rotate. By this rotation of the drum the stones or a similar material picked up are agitated so that earth or the like adhering to said material is disengaged from the products and will fall out through the openings in the wall of the drum, as a result of which the products are effectively cleaned. Since the inner wall of the drum has a relatively uniform shape undesirable dropping and tumbling movements of the products are avoided, which is particularly important in cleaning stones in order to avoid damage of the stones. Preferably the drum is adapted to rotate in two directions.
  • the drum can be opened by turning the second rum part 33 from the position shown in Fig. 1 into the position shown in Fig. 2 and the products can be removed from the drum by setting the first drum part 22 in such a position that the prolongation formed at least essentially by the strip 25' and tangentially adjoining the curved wall portion of the second drum part is inclined upwards so that the products can easily slide along said part out of the drum.
  • the drum when the drum is arranged in the position shown in the Figures in the frame, the drum, when picking up the products and then being displaced in the direction of the arrow A, is pushed on in front of the vehicle carrying the device.
  • the drum can, however, be arranged in the frame in a simple manner in a position in which with respect to the position shown in the Figures the drum is turned through 180 0 about a vertical axis.
  • the shafts 23 can be screwed out of the shafts 18 and the shafts 12.
  • the frame can be moved upwards, whilst the drum remains standing on the ground.
  • the vehicle can then be driven to the other side of the device and be turned through 180 0 , after which the frame is lowered until the faces 16 of the protruding collars come again into contact with the corresponding faces of the protruding collars 17.
  • This deposition of collars 14 on the collars 17 is facilitated by the projecting noses 15.
  • the shafts 23 can be screwed in.
  • the collars 14 and 17 not only facilitate the disposition of the frame on the drum in different positions, but also ensure the transfer of the torque required for driving the drum.
  • the device may also be used for cleaning other products such as beet or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Road Paving Machines (AREA)
  • Road Repair (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
EP83201459A 1982-10-14 1983-10-14 Vorrichtung zum Reinigen von Produkten Expired EP0106412B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83201459T ATE26731T1 (de) 1982-10-14 1983-10-14 Vorrichtung zum reinigen von produkten.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8203966A NL8203966A (nl) 1982-10-14 1982-10-14 Inrichting voor het reinigen van producten.
NL8203966 1982-10-14

Publications (2)

Publication Number Publication Date
EP0106412A1 true EP0106412A1 (de) 1984-04-25
EP0106412B1 EP0106412B1 (de) 1987-04-22

Family

ID=19840403

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83201459A Expired EP0106412B1 (de) 1982-10-14 1983-10-14 Vorrichtung zum Reinigen von Produkten

Country Status (4)

Country Link
EP (1) EP0106412B1 (de)
AT (1) ATE26731T1 (de)
DE (1) DE3371100D1 (de)
NL (1) NL8203966A (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992004135A1 (en) * 1990-08-31 1992-03-19 Dagny Carlsson Method and device for screening earth, gravel and the like
DE4238987A1 (de) * 1992-11-19 1994-05-26 Weiss Gmbh & Co Leonhard Trogförmiges schwenkbares Ladegerät
WO1995029297A1 (en) * 1994-04-20 1995-11-02 Hellgren, Gunborg, Margit, Linea Improved bucket with screening device
NL1000649C2 (nl) * 1995-06-23 1996-12-24 Metholds Hertogenbosch Bv Inrichting voor het reinigen en/of uitzeven van materialen.
EP1048791A2 (de) * 1999-04-17 2000-11-02 Rodney James Leyland Siebschaufel
CN1313193C (zh) * 2002-05-31 2007-05-02 S·D·S·特恩布尔 一种筛子/混合机
CN112252388A (zh) * 2020-10-27 2021-01-22 湖南德力重工有限公司 一种可变化空间的挖掘机铲斗及使用方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311684A (en) * 1990-05-04 1994-05-17 Rudolf Van Dalfsen Scooping apparatus, vehicle and coupling plate therefore
AU649440B2 (en) * 1990-05-04 1994-05-26 Rudolf Hendrik Van Dalfsen Scooping apparatus, vehicle and coupling plate therefor

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1974717A (en) * 1934-02-19 1934-09-25 Bles Charles Le Rolling dirt mover
US2422985A (en) * 1944-07-04 1947-06-24 Laurence L Reckler Earth handling implement
US3765490A (en) * 1972-06-29 1973-10-16 G Logue Combined loader bucket and fines separator
GB1512206A (en) * 1974-12-21 1978-05-24 Foulger Ltd W Cleaning and loading apparatus for root crops
EP0047041A2 (de) * 1980-08-29 1982-03-10 Van Dalfsen, Rudolf Hendrik Vorrichtung zum Aufnehmen von Elementen, insbesondere eines Strassenpflasters

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1974717A (en) * 1934-02-19 1934-09-25 Bles Charles Le Rolling dirt mover
US2422985A (en) * 1944-07-04 1947-06-24 Laurence L Reckler Earth handling implement
US3765490A (en) * 1972-06-29 1973-10-16 G Logue Combined loader bucket and fines separator
GB1512206A (en) * 1974-12-21 1978-05-24 Foulger Ltd W Cleaning and loading apparatus for root crops
EP0047041A2 (de) * 1980-08-29 1982-03-10 Van Dalfsen, Rudolf Hendrik Vorrichtung zum Aufnehmen von Elementen, insbesondere eines Strassenpflasters

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992004135A1 (en) * 1990-08-31 1992-03-19 Dagny Carlsson Method and device for screening earth, gravel and the like
DE4238987A1 (de) * 1992-11-19 1994-05-26 Weiss Gmbh & Co Leonhard Trogförmiges schwenkbares Ladegerät
WO1995029297A1 (en) * 1994-04-20 1995-11-02 Hellgren, Gunborg, Margit, Linea Improved bucket with screening device
NL1000649C2 (nl) * 1995-06-23 1996-12-24 Metholds Hertogenbosch Bv Inrichting voor het reinigen en/of uitzeven van materialen.
EP0750071A1 (de) * 1995-06-23 1996-12-27 Methold 's-Hertogenbosch B.V. Vorrichtung zum Reinigen und/oder Sieben von Materialen
EP1048791A2 (de) * 1999-04-17 2000-11-02 Rodney James Leyland Siebschaufel
EP1048791A3 (de) * 1999-04-17 2001-01-10 Rodney James Leyland Siebschaufel
CN1313193C (zh) * 2002-05-31 2007-05-02 S·D·S·特恩布尔 一种筛子/混合机
US7591379B2 (en) 2002-05-31 2009-09-22 Sam Dominic Seaton Turnbull Screen/mixer
CN112252388A (zh) * 2020-10-27 2021-01-22 湖南德力重工有限公司 一种可变化空间的挖掘机铲斗及使用方法
CN112252388B (zh) * 2020-10-27 2023-05-09 山东华星重工机械装备有限公司 一种可变化空间的挖掘机铲斗及使用方法

Also Published As

Publication number Publication date
NL8203966A (nl) 1984-05-01
EP0106412B1 (de) 1987-04-22
DE3371100D1 (en) 1987-05-27
ATE26731T1 (de) 1987-05-15

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