EP3575497A1 - Drague aspiratrice - Google Patents

Drague aspiratrice Download PDF

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Publication number
EP3575497A1
EP3575497A1 EP19000251.9A EP19000251A EP3575497A1 EP 3575497 A1 EP3575497 A1 EP 3575497A1 EP 19000251 A EP19000251 A EP 19000251A EP 3575497 A1 EP3575497 A1 EP 3575497A1
Authority
EP
European Patent Office
Prior art keywords
suction
axis
arm
pivot
suction dredger
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Withdrawn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
EP19000251.9A
Other languages
German (de)
English (en)
Inventor
Dominic Hurm
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
Application filed by Individual filed Critical Individual
Publication of EP3575497A1 publication Critical patent/EP3575497A1/fr
Withdrawn legal-status Critical Current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
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8816—Mobile land installations
    • 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
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8816—Mobile land installations
    • E02F3/8825—Mobile land installations wherein at least a part of the soil-shifting equipment is mounted on a dipper-arm, backhoes or the like
    • 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
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
    • 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
    • E03F7/106—Accessories, e.g. hose support

Definitions

  • the invention relates to a suction dredger with a chassis, arranged on the chassis structure, a proboscis for receiving suction material and a suction arm with at least one arm member for supporting the suction pipe, wherein the suction dredger in the direction of travel or parallel thereto longitudinal axis, one perpendicular to the longitudinal axis extending transverse axis and a perpendicular to both the longitudinal axis and the transverse axis extending elevation axis, wherein the suction auger arm is mounted with its construction end facing a bearing head and the bearing head together with the suction auger arm relative to the structure about a parallel to the height axis of the suction dredger running 1st Pivot axis is pivotable and wherein the suction auger arm is pivotable relative to the bearing head about a second pivot axis, which is located in a plane perpendicular to the elevation axis pivot plane.
  • a suction dredger usual construction acts on a proboscis with negative pressure, so that suction material can be absorbed by a floor area, for example, Löheher in civil engineering dig.
  • the excavation of the holes by means of a suction dredger is gentler than digging by means of a conventional excavator, since the latter can inadvertently damage water pipes and power cables in the ground during dredging.
  • the proboscis is guided along a suction arm, so that a free end of the suction pipe facing away from the construction on the floor area can be aligned with the position of the hole to be excavated.
  • the proboscis is tracked along the depth of the hole until the hole is dug in the desired shape and depth.
  • the suction dredger on a longitudinal axis, a transverse axis and a height axis.
  • These three axes always refer to the orientation of the suction dredge regardless of its orientation relative to its base or its footprint, the three axes are always in pairs perpendicular to each other.
  • the longitudinal axis of the suction dredger runs in the direction of travel or parallel to the direction of travel.
  • the transverse axis is perpendicular thereto and, for example, parallel to a wheel axis of the suction dredger between a symmetrically arranged to the longitudinal axis of the pair of suction dredger.
  • the height axis is perpendicular to the longitudinal axis and on the transverse axis.
  • a vertical axis refers to the direction of action of gravity, wherein a horizontal plane is arranged perpendicular to the vertical axis.
  • the suction dredger On the structure of the suction dredger is a support element and / or a bearing head about a plane parallel to the height axis 1.
  • pivot axis mounted pivotally.
  • the suction snout arm consists of a plurality of successively arranged arm members, wherein successive arm members are hinged together.
  • the suction worm arm pivots together with the bearing head about the first pivot axis and is hinged at its end facing the body of the bearing head, that it is pivotable relative to the bearing head about a horizontal axis, which is referred to as the second pivot axis.
  • the second pivot axis lies in a pivot plane arranged perpendicular to the elevation axis, wherein its orientation changes depending on the pivoting of the bearing head and the suction arm about the first pivot axis, but always remains in the pivot plane.
  • the suction worm arm points in the direction of the longitudinal axis of the suction dredger, the second pivot axis runs parallel to the transverse axis.
  • the first pivot axis and thus the height axis of the suction dredge and the vertical axis are aligned parallel to one another and the longitudinal axis, the transverse axis and the second pivot axis lie in the horizontal plane which is arranged parallel to the pivot plane or coincides with this.
  • the suction dredger stands on an inclined floor area
  • the first pivot axis and thus the elevation axis and the vertical axis no longer run parallel to each other, but enclose an angle between them.
  • This (space) angle between the elevation axis and the vertical axis provides information about the direction and extent of the inclination of the ground area.
  • the pivot plane is then inclined relative to the horizontal plane and the second pivot axis is then no longer in the horizontal plane. So not only is it going the first pivot axis and thus the height axis is no longer parallel to the vertical axis, but also the second pivot axis about which the suction arm is pivotable relative to the bearing head, then no longer runs horizontally and no longer parallel to the transverse axis.
  • suction auger arm is mounted with its inner, the suction dredger facing end member about a horizontal axis pivotally mounted on a bearing head.
  • the bearing head can be pivoted together with the suction auger arm about the height axis of the suction dredger.
  • suction dredger having the features of claim 1. This is characterized in that the bearing head together with the suction nozzle arm in addition to a parallel to the longitudinal axis of the suction dredger running 3. pivot axis is pivotable and fixed relative to the structure in different pivot positions about the 3rd pivot axis.
  • the invention is based on the basic idea that the inclination of the floor area on which the suction dredger is mechanically transferred to the orientation of the suction snout arm and thus of the suction pipe. It should also be taken into account that the proboscis is firmly connected to the suction snout arm during operation. Due to the pivoting movement of the suction arm around the third pivot axis of the proboscis - despite inclined bottom portion - are brought into a position in which it is aligned parallel to the vertical axis. Thus, the excavation of holes with vertical extension direction is possible and the inclination of the bottom portion in the context of the invention compensated.
  • the existing in the suction dredger invention adjustment of the suction arm are to be shown again.
  • the suction dredger has the substantially horizontal longitudinal axis L which extends in or parallel to its direction of travel.
  • the height axis H of the suction dredger is perpendicular to the longitudinal axis L and coincides with the direction of action of the gravity of the suction dredger when the suction dredger is on a flat surface or ground area.
  • the transverse axis Q of the suction dredger is perpendicular both on the longitudinal axis L and on the height axis H.
  • the height axis H, the longitudinal axis L and the transverse axis Q respectively always relate to the suction dredger, regardless of its orientation relative to its base or footprint.
  • a vertical axis V always refers to the direction of action of the gravity of the suction dredger and is thus always perpendicular to a horizontal plane.
  • the height axis H of the suction dredge and the vertical axis V coincide.
  • the height axis H of the suction dredger 10 and the vertical axis V are inclined to each other.
  • the bearing head is pivotally connected to the preferably multi-membered, hydraulically operated suction auger arm.
  • the bearing head is pivotable together with the suction auger arm about the first pivot axis S 1 , which runs parallel to the height axis H.
  • the structure facing inner arm member of the suction worm arm which is pivotally connected to the bearing head, can be pivoted relative to the bearing head by means of a preferably hydraulic adjusting device about the second pivot axis S 2 , which lies in a pivot plane, which is usually horizontal and perpendicular to the 1.
  • pivot axis S 1 runs. If the suction nozzle arm protrudes exactly opposite to the direction of travel to the rear of the structure, the second pivot axis S 2 runs parallel to the transverse axis Q.
  • the bearing head is pivotable about the third pivot axis S 3 , which is parallel to the longitudinal axis L, together with the suction arm connected thereto in an articulated manner.
  • the bearing head is arranged in an upper end region of a support element and connected thereto, for example, fixed and in particular pressure-resistant.
  • the support element is designed as preferably arranged parallel to the height axis of the suction dredger support column, which is connected by means of at least one pivot bearing with the structure in order to use leverage forces in the pivoting movements.
  • the pivot bearing defines the position of the third pivot axis, which is perpendicular to the first pivot axis.
  • the support member may be hydraulically, pneumatically and / or electrically pivotable about the second pivot axis together with the suction auger arm.
  • the pivoting movement of the suction proboscis arm is remotely controllable, for example by means of an operating element which - spatially separated from the suction dredge - is carried along by the user during the excavation of the holes.
  • the pivot bearing is designed as a pin or bolt, which is rigidly connected to the structure and which engages in a recess of the support element, so that the support element is pivotable about the pin.
  • the longitudinal axis of the pin defines the third pivot axis.
  • the support element is pivotable by means of a preferably electric rotary drive, which is connected to the pivot bearing.
  • a preferably electric rotary drive which is connected to the pivot bearing.
  • the support element can be axially displaceable and / or supported in a sliding bearing to allow translational movements of the support element along its longitudinal axis.
  • the sliding bearing is disposed between the pivot bearing and the support member and may include a means for reducing friction between the sliding bearing and the support member. This agent is for example a friction-reducing oil or lubricant.
  • the sliding bearing is preferably designed for an axial stroke of up to 15 mm, in particular of up to 6 mm.
  • the slide bearing is configured in one embodiment as a sliding bush, which surrounds the support member like a sleeve and which is pivotable together with the support member about the third pivot axis.
  • the sliding bush thus serves as an axial guide for the support element.
  • the plain bearing may have a ball bearing to allow or support the axial guidance of the support element.
  • Other embodiments for the axial guidance of the support element are also conceivable, for example, a (linear) carriage, which is connected to the support element.
  • the support element can be pivotable by means of a linear adjustment device connected to the structure.
  • the adjusting device is preferably arranged on one of the second axis of rotation opposite region of the support member to use leverage forces in the pivoting movement.
  • the adjusting device may comprise a hydraulic piston, which is guided in a hydraulic cylinder and which are actuated in particular hydraulically and / or electrically can to pivot the support member by means of torques.
  • the adjusting device can have a plurality of stops.
  • corresponding pneumatic components can be provided.
  • the adjusting device may comprise a pneumatic piston, which is guided in a pneumatic cylinder.
  • the direction of movement of the adjusting device runs parallel to the transverse axis of the suction dredger.
  • the direction of movement of the adjusting device defines a positioning axis in the sense of the invention.
  • the adjusting device is preferably designed for a maximum stroke of 160 mm, in particular a maximum of 80 mm.
  • the hydraulic piston can be connected at least indirectly to the support element.
  • the adjusting device is preferably pivotably connected to the structure by means of a first pivot joint.
  • the adjusting axis is not necessarily always aligned parallel to the transverse axis of the suction dredge; but it is always in a plane which is spanned by the transverse axis and the height axis of the suction dredger.
  • the adjusting axis is always perpendicular to the longitudinal direction of the suction dredger.
  • the adjusting device is preferably articulated by means of a second rotary joint on the support element.
  • the rotational movement of the support element can be accommodated, so that when using the second Swivel joint the adjusting axis always runs parallel to the transverse direction of the suction dredger.
  • the support element can be mounted axially displaceably in a linear guide along the adjusting axis of the adjusting device.
  • the adjusting axis is perpendicular to the first pivot axis and the third pivot axis.
  • the linear guide of the support element is recommended in particular in combination with the second pivot joint to receive the translation component of the support element during its pivoting movement about the second pivot axis. The rotational component is picked up by the second pivot.
  • the linear adjustment device has an axial stroke of a maximum of +/- 160 mm, in particular of a maximum of +/- 80 mm.
  • the support element is pivotable about the third pivot axis about a pivot angle of preferably at most +/- 10 °, in particular at most +/- 5 ° relative to the height axis of the suction dredger.
  • the suction dredger may comprise a control device with which the inclination of the support element and thus also the suction arm is adjustable.
  • the control device can be connected by means of cable and / or a wireless connection to the deflection device such that the deflection device can be actuated by means of the control device.
  • the control device may be directly connected to the suction dredger and / or arranged in a spatially separate control terminal.
  • All pivoting movements of the suction proboscis arm can be controllable by means of the control device, so that any inclination of the suction cup arm can be adjusted manually and / or automatically.
  • the inclination of the suction pipe corresponds to the inclination of the suction gripper arm. Therefore, this embodiment is also suitable for lifting holes with any inclination.
  • the suction dredger preferably has a tilt measuring device with which the inclination of the suction dredge with respect to the vertical axis can be measured.
  • the vertical axis is parallel to the direction of gravity.
  • the inclination of the suction dredger corresponds to the (space) Winkelunter-difference between the height axis of the suction dredger and the vertical axis.
  • the inclination of the suction dredger can be visually, electrically and / or mechanically measurable.
  • the inclination measuring device is connected to the control device such that the inclination of the suction dredge measured by the inclination measuring device can be compensated for by means of a corresponding control of the suction proboscis arm by the control device.
  • compensable denotes that even with a position of the suction dredge on an inclined floor area, the recess of vertical holes is possible.
  • the support element and / or the bearing head are provided together with the suction nozzle arm with a slope which is directed in the direction and extent opposite to the inclination of the suction dredger, so that the proboscis aligned with a ground-facing end portion normal to the surface of the bottom portion is.
  • the suction nozzle arm with a slope which is directed in the direction and extent opposite to the inclination of the suction dredger, so that the proboscis aligned with a ground-facing end portion normal to the surface of the bottom portion is.
  • holes with any inclination can be excavated in the same way.
  • the suction proboscis arm has a plurality of articulated arm members, wherein at least one of the articulations between two adjacent arm members is configured as a rotatable connecting element and in particular allows further inclination movements of an end region of the suction cup arm facing the background of up to +/- 10 °.
  • the rotatable connecting element is designed as a universal joint, which allows pivotal movements by more than one fixed spatial axis. Thus, additional inclinations can be made in particular manually at the location of the hole to be excavated.
  • the universal joint may be fixable such that the orientation of the two adjacent arm members is maintained relative to each other.
  • Fig. 1 shows a suction dredger 10 according to the invention in a schematic side view.
  • the suction dredger 10 is supported by means of a wheeled chassis 11 on a in Fig. 1 level ground area B from.
  • a structure 12 of the suction dredger 10 is arranged, in which the functional parts of the suction dredge 10 are arranged for generating an air negative pressure.
  • these functional parts are not shown in detail.
  • the suction dredger 10 has a substantially horizontal longitudinal axis L which extends in or parallel to its direction of travel.
  • a height axis H of the suction dredger 10 is perpendicular to the longitudinal axis L and falls in the flat bottom portion B of Fig. 1 with the direction of action of the gravity of the suction dredger 10 together.
  • a transverse axis Q of the suction dredge 10 is perpendicular both on the longitudinal axis L and on the height axis H and is in Fig.
  • the height axis H, the longitudinal axis L and the transverse axis Q always refer to the suction dredger 10, regardless of its orientation relative to his underground or his footprint.
  • a vertical axis V (s. Fig. 6 ) always on the direction of action of the gravity of the suction dredger 10 and is thus always perpendicular to a horizontal plane.
  • the height axis H of the suction dredge 10 and the vertical axis V together.
  • the height axis H of the suction dredger 10 and the vertical axis V have a (space) angle difference ⁇ whose direction and degree correspond to the inclination of the bottom portion B.
  • Fig. 1 is arranged on the rear in the direction of travel of the body 12, a vertically oriented support member 17 and connected to the structure 12.
  • the support member 17 is formed as a (hollow) cylindrical support column 17a, whose longitudinal axis is parallel to the height axis H of the suction dredger 10.
  • the support column 17a carries in a top end region 17b a bearing head 33 to which a multi-membered, hydraulically actuatable suction trough arm 14 is pivotally connected by means of a bolt or hinge joint 29.
  • the support column 17a is pivotable together with the bearing head 33 about a first pivot axis S 1 , which runs parallel to the height axis H.
  • the suction auger arm 14 has a plurality of arm members 15 arranged in series one behind the other, wherein adjacent arm members 15 are hinged together by means of bolt or hinge joints 29a, respectively.
  • the pivot axes of the bolt or hinge joints 29, 29a are parallel to each other.
  • the arm members 15 are pivoted relative to one another by means of a hydraulic adjusting device, which for reasons of clarity not shown, but is known from the prior art.
  • the joint 29 defines a second pivot axis S 2 , which lies in a pivot plane which is usually horizontal and perpendicular to the first pivot axis S 1 .
  • the second pivot axis S 2 extends parallel to the transverse axis Q and perpendicular to the plane of Figure 1.
  • the support member 17 and the support column 17a is pivotable about a third pivot axis S 3 , which is parallel to the longitudinal axis L, together with the bearing head 33 and the suction arm 14 connected thereto in an articulated manner.
  • an elastically deformable hose-like suction pipe 13 is connected to the body 12 of the suction dredger 10.
  • the proboscis 13 protrudes into the interior of the structure 12 and is there connected to the functional parts for generating the negative air pressure (not shown).
  • To guide the suction pipe 13 this is connected to the suction worm 14.
  • the proboscis 13 is on the upper end portion 17b of the support column 17a.
  • the suction snout arm 14 At an end of the suction snout arm 14 facing the bottom region B, the suction snout arm 14 has a hollow-ring-shaped end piece 14a, through which the suction snout 13 is guided such that an end region 13a of the suction pipe 13 facing the bottom region B strikes a hole region 30 (see FIG. Fig. 7 ) of the floor area B is directed.
  • the suction dredger 10 can excavate a hole in the desired depth by the suction pipe 13 user side along the Hole is tracked.
  • suction dredgers 10 have the ability to pivot the suction arm 14 together with the bearing head 33 about the first pivot axis S 1 , which is parallel to the height axis H of the suction dredger 10, so that in particular hole areas 30 are excavated next to the suction dredger 10 can.
  • the pivoting movement of the suction worm arm 14 and thus of the following suction pipe 13 about the first pivot axis S 1 takes place essentially hydraulically.
  • the suction nozzle arm 14 can be pivoted relative to the bearing head 33 about the second pivot axis S 2 , whereby the distance of the suction pipe 13 from the structure 12 can be changed.
  • Fig. 2 shows the support column 17 designed as a support column 17a Fig. 1 in an enlarged view.
  • the support column 17a is guided in a slide bearing 19, which is designed as a sleeve-like sliding bush 19a.
  • the slide bushing 19 a allows a movement of the support column 17 a along its longitudinal axis, that of the 1.
  • Swivel axis S 1 corresponds.
  • the sliding bush 19a is provided with a friction-reducing material, for example oil, which reduces the frictional resistance of the support column 17a during movements along its longitudinal axis due to its viscosity as a lubricant.
  • the slide bush 19a encloses the support column 17a cuff-shaped along its entire circumference and is by means of a pivot bearing 18 with the in Fig. 2 connected as a rectangle sketched structure 12.
  • the pivot bearing 18 is shown as a pin 18 a, which is rigidly connected to the structure 12 and which projects into a lateral recess 19 b of the sliding bush 19 a.
  • the support column 17a is thereby additionally pivotable about the third pivot axis S 2 , which corresponds essentially to the longitudinal direction of the bolt 18a and which runs parallel to the longitudinal axis L of the suction dredge 10 (FIG. Fig. 1 ).
  • Fig. 3 shows the support column 17a Fig. 2 in a rear view, wherein in a lower end portion 17c of the support column 17a, which is opposite to the upper end portion 17b, a linear adjusting device 20 is arranged.
  • the adjusting device 20 serves for the deflection of the support column 17a for the pivotal movement about the third pivot axis S 3 and for this purpose has a hydraulic cylinder 22 in which a hydraulic piston 21 is mounted axially movable.
  • the hydraulic cylinder 22 is connected by means of a first pivot joint 23 to the structure 12, wherein the structure 12 in Fig. 3 only schematically shown as a rectangle.
  • the axially movable hydraulic piston 21 is arranged between the hydraulic cylinder 22 and a linear guide 25, which is designed as a linear slide 25a.
  • the axis, along which the hydraulic piston 21 is movable is referred to in the context of the invention as an adjusting axis S 4 and parallel to the transverse axis Q of the suction dredger 10.
  • the movement axis of the linear slide 25a of the suction dredger is parallel to the transverse axis Q 10.
  • the linear slide 25a is connected via a second rotary joint 24 is connected to the support column 17a, to accommodate the pivotal movement of the supporting column 17a to the third pivot axis S3.
  • Fig. 4 shows the support column 17a Fig. 3 in a deflected state, in which the support column 17a is pivoted about the third pivot axis S 3 .
  • the support column 17a Since the support column 17a is connected to the bearing head 33 and the suction worm arm 14 and also to the suction proboscis 13, the pivotal movement of the support column 17a is transmitted to the bearing head 33 and the suction worm arm 14 and also to the suction probes 13, thus each having a corresponding inclination are provided.
  • Fig. 5 shows the suction dredger 10 off Fig. 1 in a view from the rear, wherein the suction nozzle arm 14 is shown in a rest position.
  • the arm members 15 of the suction arm 14 are spirally folded, so that the suction arm 14 takes up as little space, and the suction dredger 10, especially when driving not with special needs.
  • the suction worm arm 14 can be transferred by means of a pivoting movement about the first pivot axis S 1 into an operating position in which the suction worm arm 14 extends away from the structure 12 towards the rear in the direction of the longitudinal axis L of the suction dredge 10.
  • the arm members 15 are hydraulically extended, so that the suction nozzle arm 14 in the in Fig. 1 shown operating position is arranged. Due to the reverse sequence, the suction snout arm 14 again assumes the rest position.
  • Fig. 5 shows the already under the Fig. 3 and Fig. 4 described adjusting device 20, wherein in contrast to the Fig. 3 and Fig. 4 now in Fig. 5 the hydraulic piston 21 and the hydraulic cylinder 22 are arranged on the left of the support column 17a, but this makes no functional difference.
  • the suction dredger 10 has a control device 26, which is shown only schematically, which is connected to the adjusting device 20 and drives it in particular electrically.
  • the control device 26 may be connected to a first user terminal (not shown) in the suction dredger 10 and / or to a second user terminal (not shown), which a user carries with him during excavation of the hole region 30.
  • a user can accomplish all pivoting and adjusting movements of the suction worm arm 14 (and thus the suction pipe 13) without having to be in the vicinity of the suction pipe 13.
  • a user can specify a tilt (space) angle by which the support column 17a is to be pivoted about the third pivot axis S 3 , so that the suction pipe 13 is also pivoted in accordance with this angle.
  • the adjusting device 20 is configured to correspond to an input signal of the Control device 26 causes the deflection of the support column 17a.
  • the suction dredger 10 has an inclination measuring device 27, which detects the inclination of the bottom region B in the direction and extent, in particular by means of optical methods, and transmits these values to the control device 26. In this way, the inclination of the bottom portion B is measurable and automatically compensated by means of appropriate adjusting and pivoting movements of the support column 17a and the suction arm 14.
  • the suction dredger 10 is on an inclined bottom portion B.
  • the height axis H of the suction dredger 10 in this case is no longer parallel to the vertical axis V, but is shifted by an angle ⁇ .
  • the inclination of the bottom portion B is compensated.
  • the support column 17a pivoted about the third pivot axis S 3 that the support column 17a is no longer parallel to the vertical axis H of the suction dredger 10, but is aligned substantially parallel to the vertical axis V.
  • the suction pipe 13 aligned along the suction snout arm 14 is shown in FIG Fig.
  • Fig. 7 shows the recess of holes with an extension direction which is not parallel to the vertical axis V, wherein the suction dredger 10 according to the invention is on a flat bottom portion B.
  • control means 26 detects by means of a user input the desired angle of inclination of the hole to be excavated and causes a corresponding adjustment of the adjusting device 20. This causes a pivotal movement of the support column 17a about the 3rd pivot axis S 3 , the suction arm 14 follows the pivotal movement of the support column 17a.
  • the in Fig. 7 schematically illustrated end portion 13a of the suction pipe 13, which projects beyond the end piece 14a of the suction gripper arm 14, can in the inclined arrangement of Fig. 7 to dig out the hole with the defined inclined extension direction from the hole area 30.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Earth Drilling (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
EP19000251.9A 2018-05-30 2019-05-22 Drague aspiratrice Withdrawn EP3575497A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018004334.8A DE102018004334A1 (de) 2018-05-30 2018-05-30 Saugbagger

Publications (1)

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EP3575497A1 true EP3575497A1 (fr) 2019-12-04

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EP19000251.9A Withdrawn EP3575497A1 (fr) 2018-05-30 2019-05-22 Drague aspiratrice

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024042014A1 (fr) * 2022-08-23 2024-02-29 Rsp Gmbh & Co. Kg Dispositif de réception de matériau pour une excavatrice à aspiration, et excavatrice à aspiration comportant ledit dispositif de réception de matériau

Citations (6)

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Publication number Priority date Publication date Assignee Title
EP0368129A1 (fr) * 1988-11-05 1990-05-16 VMB VESTA MASCHINENBAU GMBH & CO. KG Drague suceuse
DE9016448U1 (de) * 1990-12-04 1991-02-21 Eberhard Wagner Gmbh & Co Kg, 7402 Kirchentellinsfurt Saugbagger
JPH05187035A (ja) * 1992-01-14 1993-07-27 Kensetsusho Kanto Chiho Kensetsu Kyokucho 水底自走式浚渫機
DE19962952A1 (de) * 1999-12-24 2001-06-28 Sabatec Saugbaggertechnologie Saugbagger
DE10119857C1 (de) * 2001-04-24 2002-10-31 Luebecker Maschb Gmbh Frachtschiff
DE102016106427B3 (de) 2016-04-08 2017-03-23 Reschwitzer Saugbagger Produktions Gmbh Verfahren zur Steuerung der Bewegung eines Gelenkschlauchträgers eines Saugbaggers

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