EP3502413B1 - Procédé et dispositif de perçage et dépôt mécanique de la tourbe mottière - Google Patents

Procédé et dispositif de perçage et dépôt mécanique de la tourbe mottière Download PDF

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Publication number
EP3502413B1
EP3502413B1 EP17209554.9A EP17209554A EP3502413B1 EP 3502413 B1 EP3502413 B1 EP 3502413B1 EP 17209554 A EP17209554 A EP 17209554A EP 3502413 B1 EP3502413 B1 EP 3502413B1
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EP
European Patent Office
Prior art keywords
peat
cutting
sods
hydraulic excavator
excavator
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.)
Active
Application number
EP17209554.9A
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German (de)
English (en)
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EP3502413A1 (fr
Inventor
Carsten Klemp
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.)
Klasmann Deilmann GmbH
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Klasmann Deilmann GmbH
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Publication date
Application filed by Klasmann Deilmann GmbH filed Critical Klasmann Deilmann GmbH
Priority to EP17209554.9A priority Critical patent/EP3502413B1/fr
Publication of EP3502413A1 publication Critical patent/EP3502413A1/fr
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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
    • E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2025—Particular purposes of control systems not otherwise provided for
    • E02F9/2041—Automatic repositioning of implements, i.e. memorising determined positions of the implement
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C49/00—Obtaining peat; Machines therefor
    • E21C49/04—Obtaining peat; Machines therefor by digging in the form of peat sods

Definitions

  • the present invention relates to a device for mechanized cutting and laying of peat sod and a loader or excavator, in particular hydraulic excavators.
  • a so-called punch box is used in some of these known devices. So far, the peat sods cut with the cutting box are laid down in the form of subdivided blocks and then manually rearranged several times for better drying. This is very time-consuming and labor-intensive.
  • the object of the present invention is therefore to reduce the proportion of manual activities when drying peat sods.
  • a method for mechanically digging and depositing peat sods, comprises a) cutting out a cuboid peat body from a moor profile, in particular with vertical digging into the moor profile to a depth of one peat sod height and horizontal separation from the moor profile over several peat sod widths , b) dividing the peat body that has been cut out into several peat sods and c) depositing the peat sods in a plane at a lateral distance from one another.
  • Step c) can also be regarded as spreading the arrangement of the peat sods before or during the laying of them in a plane. be designated. Due to the lateral distance between the peat sods, the Dry peat sods faster. It should be noted that the distance does not have to be constant or identical in all directions and/or among one another.
  • a device for mechanically digging and depositing peat sods, comprising a frame, a front digging knife fixed to the frame, in particular vertical, a controlled relative to the frame, in particular horizontal, movable cutting box with a horizontal main cutting blade, and cutting molds that can be lowered and raised in a controlled manner in the cutting box and that can be separated laterally from one another for dividing a peat body cut out in the cutting box into several peat sods.
  • “Scoring shapes” should be understood as shapes that are arranged close together and have a resemblance to compartments made of corrugated cardboard. In the description, the "scoring shapes” are also referred to as "compartments”.
  • the present invention provides a loader or excavator, particularly a hydraulic excavator, comprising a device according to claim 1.
  • the depositing of the peat sods includes a simultaneous depositing of the peat sods in the plane.
  • the laying down of the peat sods can comprise successive laying down of the peat sods in the plane.
  • the peat sods can be spatially separated from one another at a lateral distance even before they are laid down.
  • the peat sods are conveyed to a storage location before they are deposited, in particular by moving or transferring, such as lifting and setting down, for example.
  • the storage location is advantageously located to the side of the "Driving direction" of the device, in which the device is moved over a moor profile or a moor field.
  • a means used for cutting out or a part thereof is also used for conveying the peat sods.
  • the means used for cutting out can be a punch box.
  • the peat sods are expediently placed on a pallet.
  • steps a) - c) are repeated several times and the peat sods are stacked in several levels.
  • the peat sods from successive stacking levels are offset by 90° around the stacking axis. This also promotes rapid drying of the peat sods.
  • the hydraulic excavator has a hydrostatic power supply designed to operate the device as well.
  • the hydraulic excavator advantageously has a hydraulic circuit diagram in which stepless pressure limitation is provided for mechanical cutting and separating processes of the device.
  • stepless pressure limitation can prevent self-damage of the device or the hydraulic excavator when grasping pieces of wood etc. in the field. In this context, it may be advisable to make a horizontal cut with the main cutting blade before cutting the individual peat sods. Alternatively, the individual steps or part of them can be initiated via limit switches.
  • the present invention is based on the surprising finding that by "separating" the peat sods, i.e. "putting them in gaps", faster automated drying is possible without the previously required manual step of "splitting".
  • the second layer of peat sods is offset by 90° on the first layer of peat sods, so that several layers can be stacked up depending on the consistency of the peat
  • the previously required manual step of "rolling” can also be automated .
  • FIG 1 shows a hydraulic excavator 10, which has a boom arm 12, at the free end of which there is a support bearing 14, in which a ball joint 16 of a device 18 for mechanical digging and depositing of peat sods according to a special embodiment of the present invention by means of a support bolt 20 and bolt locks (not marked) is fastened and secured.
  • the device 18 is therefore an attachment for the hydraulic excavator 10.
  • Hydraulic excavator 10 includes a hydrostatic power supply (not shown) configured to power device 18 as well.
  • two hydraulic hoses 22 (see Fig. Figure 1B ) of the working hydraulic system (not shown) of the hydraulic excavator 10 is attached to an electronically switchable two-way valve 22A.
  • One switching direction of the valve is responsible for turning the swivel motor 32 (left/right) and thus the device 18 .
  • the other switching direction is responsible for the working steps (piercing and depositing) of the device 18, the individual working steps piercing (closing, piercing, separating) and depositing (opening, piercing back, separation back) then being triggered by limit switches.
  • Two 24, 26 of the four ports 24, 26, 28, 30 at the output of the electric valve 22A of the device are responsible for rotating the device 18.
  • the hydraulic hoses connected thereto are normally used in this example to rotate a grapple (not shown), which is here replaced by the device.
  • the other two 28, 30 of the four connections on the opposite side are responsible for the working hydraulics of a cutting box 34 belonging to the device.
  • the hydraulic hoses connected to it are normally used to open and close a gripper, which is replaced here by the device.
  • the hydraulic excavator 10 is located on a bog profile 36.
  • the bog profile 36 can be processed in a meandering shape, for example.
  • the hydraulic excavator 10 moves in a meandering pattern over the bog profile 36 and cuts peat sods and deposits them, preferably to the side of its "travel direction".
  • the hydraulic excavator 10 advantageously has a hydraulic circuit diagram in which stepless pressure limitation is provided for mechanical cutting and separating processes of the device.
  • FIG. 2 shows the device 18 of the hydraulic excavator 10. It can be clearly seen that the device 18 has a frame 38.
  • FIG. This is in the figure 3 shown again individually.
  • the frame 38 comprises a steel lower frame 40 and a steel upper frame 42 connected by vertical steel braces 44 and two steel diagonal braces 46 .
  • On the front side in the "direction of travel" is a vertical front piercing knife 48 (see Fig. figure 2 (Representation as a raw body) and figure 3 (Representation with cover against dirt)) welded on.
  • the piercing knife 48 protrudes downward on the underside of the lower frame 40 .
  • the upper frame 42 has two inner steel braces 50 running parallel to one another, to the top of which a steel plate 54 is attached, for example by welding.
  • the swivel motor 32 is fastened to the top of the plate 54 (see Fig. figure 2 ).
  • the cutting box 34 is located on the underside of the lower frame 40. This is via the working hydraulics between the rear (in figure 2 left) and the obverse (in figure 2 right) of the device 18 controlled movable. It has a U-shaped profile. Its leading edge 56 has a main horizontal cutting blade 58 . In addition, lateral vertical secondary cutting knives 60 are also provided on the front edge 56 . These secondary cutting knives can simply be formed by the leading edge 56 .
  • the dimensions of the U-shaped profile of the cutting box 34 are chosen so that they are in principle with the outer dimensions of the underside of the lower frame 40 vertically downwardly protruding piercing knife 48 in order to form a receiving space for a (cut out) peat body.
  • Hydraulic cylinders extending parallel to the underside of the lower frame 40 (see Fig Figures 6A and 6B ) 62 provided. Furthermore, the device 18 in the cutting box 34 has compartments 64 that can be lowered and raised in a controlled manner and that can be separated laterally from one another for dividing a peat body that has been cut out in the cutting box 34 into several peat sods. Such a compartment is in the figure 4 shown.
  • the compartments 64 can be lowered and raised by means of a vertical hydraulic cylinder 66, one end of which is fixed to the underside of the upper frame 66A and the other end of which is fixed to the base plate 66B, and by means of a horizontal hydraulic cylinder 68 (see Fig. Figure 7B ) having one end 68A fixed to the base plate and the other end 68B fixed to the outermost shelf, separate in a horizontal plane.
  • Each compartment 64 is divided into two sub-compartments 72 and 74 of equal size by a central partition 70 which acts like a knife (see Fig figure 4 ).
  • each compartment 64 has guide tubes arranged centrally transversely to the longitudinal extension.
  • FIG. 5 shows the device 18 alone, ie without the other components of the hydraulic excavator 10, in use over a bog profile (soil) 36 at the beginning of the piercing of the front piercing blade 48.
  • the cutting box 34 is in the rear position. As soon as the piercing knife 48 has penetrated the moor profile 36 to a depth of one peat sod, the cutting box 34 closes by moving it forward in the direction of the piercing knife 48.
  • a cuboid peat body (not shown) is cut out of the moor profile 36 by the vertical digging into the moor profile to a depth of one peat sod height and horizontal cutting off the moor profile 36 over several peat sod widths.
  • the cut-out parallelepipedal peat body is subsequently divided into a plurality of peat sods 78 by lowering the compartments 64 from an upper position into the cutting box 34, the peat sods 78 being spaced apart from one another by separating the compartments 64 (hereinafter).
  • the device 18 can then be transported with the cutting box 34 closed and peat sods 78 separated by means of the compartments 64 to a storage location, preferably to the side of the direction of travel of the hydraulic excavator.
  • the cutting box 34 is then opened there by moving it back into the rear position and the peat sods 78 are laid down, preferably in one plane, at a lateral distance from one another (see FIG figure 9 ).
  • the storage location can be a pallet (not shown), for example.
  • the compartments 64 are then raised again so that the device is then ready for mechanical digging and depositing of peat sods in a further layer.
  • figure 10 shows a stacking scheme.
  • ten peat sods 78 are dug in this example and placed in a plane (layer) at a distance from one another.
  • the layers are always offset from one another by 90°.
  • the peat sods 78 have a width b of 200 mm, a height h of 250 mm and a length 1 of 600 mm.
  • the peat body from which the peat sods 78 are cut has the following dimensions in this example: L ⁇ W ⁇ H: 1200 mm ⁇ 1000 mm ⁇ 250 mm.
  • the crossing stacking scheme (crosswise) is used for better stability.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)

Claims (4)

  1. Dispositif (18), notamment accessoire de chargeur ou d'excavateur, destiné à extraire et déposer mécaniquement des tranches de tourbe, ledit dispositif comprenant :
    - un châssis (38),
    - un couteau de pré-extraction avant (48), notamment vertical, fixé solidairement au châssis (38),
    - un caisson d'extraction (34) mobile, notamment horizontalement, en étant commandé par rapport au châssis (38) et comprenant un couteau de coupe principal horizontal (58), et
    - des moules d'extraction (64) qui peuvent être abaissés et relevés et séparés latéralement les uns des autres de manière commandée dans le caisson de coupe (34) pour diviser un corps de tourbe, qui a été découpé dans le caisson d'extraction (34), en une pluralité de tranches de tourbe (78).
  2. Chargeur ou excavateur, notamment excavateur hydraulique (10), comprenant un dispositif (18) selon la revendication 1.
  3. Excavateur hydraulique (10) selon la revendication 2, l'excavateur hydraulique comportant une alimentation en énergie hydrostatique qui est conçue pour faire fonctionner également le dispositif (18).
  4. Excavateur hydraulique (10) selon la revendication 3, l'excavateur hydraulique comportant un schéma de circuit hydraulique dans lequel une limitation de pression progressive est prévue pour les processus mécaniques de coupe et de séparation du dispositif (18) .
EP17209554.9A 2017-12-21 2017-12-21 Procédé et dispositif de perçage et dépôt mécanique de la tourbe mottière Active EP3502413B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17209554.9A EP3502413B1 (fr) 2017-12-21 2017-12-21 Procédé et dispositif de perçage et dépôt mécanique de la tourbe mottière

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17209554.9A EP3502413B1 (fr) 2017-12-21 2017-12-21 Procédé et dispositif de perçage et dépôt mécanique de la tourbe mottière

Publications (2)

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EP3502413A1 EP3502413A1 (fr) 2019-06-26
EP3502413B1 true EP3502413B1 (fr) 2022-10-19

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE404636C (de) * 1921-03-21 1924-10-21 Erik Vilhelm Abenius Selbstfahrende Torfgewinnungsmaschine
DE1031759B (de) * 1955-11-07 1958-06-12 Heseper Torfwerk Ges Mit Besch Verfahren und Vorrichtung zum selbsttaetigen Stechen, Heben und Absetzen von Torfsoden
DE1079591B (de) * 1958-07-19 1960-04-14 Hermann Backers Kontinuierlich fahrende Torfstechmaschine
SE318856B (fr) * 1968-10-11 1969-12-22 T Johansson
CH582822A5 (en) * 1974-08-06 1976-12-15 Rupprecht Hugo Turf cutter mounted on arm of dredging machine - has swinging cutting grid moved horizontally and knife sliding vertically
IE41431B1 (en) * 1977-06-01 1980-01-02 Moloney T Cutting turf
IE48813B1 (en) * 1979-08-24 1985-05-29 Seosamh Macaoidh A turf cutting device
CA2973482C (fr) * 2015-01-16 2023-08-29 1045929 Ontario Limited Appareil de manipulation de gazon

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