DE102010062345B4 - Device with a first and second arms arranged on a traverse and method for operating the device - Google Patents

Abstract

Device comprising - a first arm (3) arranged on a crossbeam (2), to which a first attachment (4) can be attached and - at least one second arm (5) arranged on the crossbeam (2), on which a second attachment (6) can be fastened, - an operating unit which alternately - is assigned to the first extension arm (3) with the first attachment (4) so that the first attachment (4) can be filled or equipped by manual operation, while the second attachment ( 6) can be automatically emptied or separated, or - is assigned to the second boom (5) with the second attachment (6) so that the second attachment (6) can be filled or equipped by manual operation, while the first attachment (4) is automatic emptying or separable is characterized in that the first arm (3) and the second arm (5) are arranged on the cross member (2) so that they can be horizontally displaced in the longitudinal direction of the cross member (2).

Description

The invention relates to a device, according to the preamble of claim 1. In addition, the invention relates to a method for operating a device, according to the preamble of claim. 7

In general, mobile earthmoving equipment for loosening, loading, installing and conveying of earth masses or bulk goods, especially on short distances known. For various operations in earthworks, the earthworks are equipped with various chassis and attachments. For example, if an excavator performs excavation as an excavator, the attachment will be filled and emptied by means of a soil, with a time required for trenching substantially equal to a time required for emptying the attachment.

From the generic FR 2 256 290 A1 is a device, in particular an excavator with hydraulic excavator equipment and a method for operating the device known. In this case, a first attachment, which is movable toward the traverse of the device, a first attachment attachable to a crossmember. For manual operation of the first boom with the first attachment an operating unit is provided, wherein on the Traverse a second boom with the second attachment can be attached and the operating unit is assigned to the first boom with first attachment, so that the first attachment can be filled by manual operation or while the second attachment is automatically emptied. Alternatively, the operating unit is associated with the second boom with a second attachment, so that the second attachment can be filled or equipped by manual operation, while the first attachment is automatically emptied.

In addition, in the DE 1 634 704 A discloses an excavator whose kingpin assembly is rotatable about a vertical axis. Thereby, a lifting beam, which is connected to the kingpin arrangement rotatable with this about a vertical axis and a dipper stick is arranged on the lifting beam, that the dipper stick with respect to the lifting beam, in all working positions of the same, is rotatable about a further vertical axis wherein it is also rotatable about a horizontal axis for performing normal dredging. In addition, the kingpin assembly is mounted on a frame that it is movable in relation to the excavator in a horizontal direction.

The invention has for its object to provide a comparison with the prior art improved device with a arranged on a traverse first and second boom to which a first or second attachment can be attached, and to provide an improved method for operating the device.

The object is achieved with respect to the device by the in claim 1 and in terms of the method by the features specified in claim 7.

Advantageous embodiments of the invention are the subject of the dependent claims.

A device comprises a first arm arranged on a crossbeam, to which a first attachment can be fastened and at least one second arm arranged on the crossbeam, to which a second attachment can be fastened, wherein an operating unit is assigned to the first arm in alternation with the first attachment, so that the first attachment can be filled or equipped by manual operation, while the second attachment is automatically emptied or entstückbar. Alternatively, the control unit is associated with the second boom with the second attachment, so that the second attachment is fillable or equippable by manual operation, while the first attachment is automatically emptied or entstückbar.

According to the invention, the first boom and the second boom are arranged so as to be horizontally displaceable on the traverse in the longitudinal direction of the traverse.

Characterized in that at least two booms are arranged on the device, to each of which an attachment can be fastened, it is possible in a particularly advantageous manner, by means of the first boom and the first attachment a working process, such as the release of soil and the filling of the first attachment or loading, wherein at the same time by means of the second boom and the second attachment, which was previously filled or equipped, emptying or Entstücken thereof is feasible.

The operations of the two arms are matched with their respective attachment to each other, so that at least one time sequence of an executed by means of the device operation is optimized.

In particular, excavation of a trench can be realized comparatively quickly by means of the device according to the invention if a vehicle is used as the device, with only one vehicle being required to construct the trench instead of two vehicles in a profitable manner. In this case, the vehicle is preferably an excavator with a traverse, on which the at least two booms are arranged. The first attachment and the second attachment digging or gripping equipment, especially excavator or gripper. By means of the bucket for example, a trench can be produced and by means of the gripper objects can be received and stored. By means of the various attachments, a work can advantageously be carried out continuously and thus particularly quickly with the device according to the invention.

For this purpose, the arms are particularly preferably arranged horizontally displaceable on the traverse, so that the mounted on the first boom attachment is used for example for filling and is then moved to empty on the crossbar. The second boom with attached second attachment is displaced upon displacement of the first boom for emptying to the position of the first attachment for filling. By the horizontal displacement of the boom, it is advantageously possible that the attachments of the respective boom at one and the same place their work can be performed alternately, without the device or the vehicle must be moved to change its location.

Particularly preferred hydraulic cylinders are provided for carrying out the horizontal displacement of the two arms, which are arranged on the traverse. In this case, the first boom is assigned a hydraulic cylinder and the second arm, a further hydraulic cylinder, so that the horizontal displacement of a boom can be realized at least between two positions on the traverse.

Alternatively, it is possible to connect both arms in the region of their displaceable connection to the crossbar by means of a coupling device and to move the coupled arms horizontally by means of a hydraulic device.

Preferably, the first arm and the second arm are controllable by means of an operating unit, which is arranged in the vehicle interior of the vehicle and thus can be actuated by a driver of the vehicle. The driver of the vehicle operates the control unit, whereby a boom with the attachment attached thereto perform a desired movement.

In a possible embodiment of the device according to the invention, the first arm and the second arm can be controlled alternately by means of the operating unit. Thus, only one operating unit for controlling both arms is required in an advantageous manner.

Both the first arm and the second arm are preferably arranged pivotably on the traverse, so that the device for carrying out the operation of the respective attachment, in particular for trenching, does not have to change its position. For example, the first attachment is filled or stocked, while the second boom is simultaneously pivotable laterally to empty his attachment or Entstücken can.

Preferably, the traverse is formed circumferentially closed, so that a plurality of jibs are cyclically displaceable, so that in each case a boom is at a working position or is brought into this. For this purpose, the traverse may be annular, whereby the boom, for example, move circularly on or with the traverse and the respective attachment of a boom performs its operation.

Moreover, the invention relates to a method for operating the device with at least two arranged on a crossbar and horizontally displaceable in the longitudinal direction of the traverse arms. The first boom with first attachment is controlled by the control unit, whereby the first attachment is filled or equipped. Subsequently, the second attachment is filled or equipped while the first attachment is emptied or entstückt. In this case, the operating unit is assigned alternately to the first boom with the first attachment or the second boom with the second attachment.

This can be used almost continuously and continuously each boom with its attachment without downtime for emptying occur.

The boom, the attachment is filled, is preferably in a middle position on the crossbar and the boom, the attachment is emptied, is located in a lateral position on the traverse.

Particularly preferably, the horizontal displacement of a boom on the traverse is carried out automatically after filling or loading of the respective attachment upon reaching a predetermined position of the boom and / or the respective attachment.

In this case, the automatic horizontal displacement of the boom is particularly preferably when the respective attachment is folded, so the attachment has a certain angular position as a predetermined position and / or the corresponding boom up to a defined height, is preferably raised to a maximum height as a predetermined position.

Alternatively, the automatic horizontal displacement of the corresponding cantilever can also take place at a defined angular position of the cantilever as a predetermined position.

Embodiments of the invention are explained in more detail below with reference to drawings.

Show:

1 2 is a schematic plan view of a section of a vehicle according to the invention with two horizontally displaceable arms arranged on a crosspiece,

2 schematically a side view of a arranged on the crossmember, horizontally displaceable arm.

Corresponding parts are provided in all figures with the same reference numerals.

1 shows a section of an inventive device designed as an excavator. Shown are a carrier device 1 , a traverse attached to it 2 with a first boom 3 and a first attachment 4 and a second boom 5 with a second attachment 6 ,

As attachments 4 . 6 are on the first boom 3 and on the second boom 5 Trench room spoon attached.

The first boom 3 is at a first position P1 on the crossbar 2 and the second boom 5 is at a second position P2 on the crossbar 2 arranged, with the traverse 2 over the entire width of the carrier device 1 preferably extends over the vehicle width.

In the vehicle interior, not shown, an operating unit is arranged, which is manually operated by a leader of the vehicle. By means of the control unit are the first boom 3 with first attachment 4 and the second boom 5 with second attachment 6 alternately controllable.

The first boom 3 is located at the first position P1 on the traverse 2 , wherein the first position P1 with respect to the longitudinal extent of the traverse 2 is arranged centrally. The second position P2, at which the second boom 5 is located at a first end 2.1 the traverse 2 ,

The driver of the vehicle actuates the operating unit, which in the illustrated first method step, the first boom 3 with first attachment 4 is assigned, so that on the first boom 3 attached attachment 4 by controlled movements creates a trench G and thereby filled with a material, not shown.

This is the first attachment 4 filled to a predetermined level, becomes the first boom 3 automatically to a third position shown by the dashed line P3 on the traverse 2 shifted, wherein the third position P3 at a second end 2.2 the traverse 2 located. The automatic shift can also be initiated by means of the operating unit.

The automatic horizontal displacement of the first boom 3 at the crossbar 2 is preferably initiated when the first boom 3 is raised to a maximum height, wherein the lifting of the first boom 3 done by pressing the control unit.

In addition, the first boom 3 alternatively or additionally automatically shifted horizontally when the first attachment 4 has a certain angular position, which is adjustable by means of operating the control unit. Preferably, the first boom 3 automatically moved when the first attachment 4 is folded.

The degree of filling of the first attachment 4 is visually determined by the driver of the vehicle in the usual way.

Alternatively or additionally, a degree of filling of the first attachment 4 by means of at least one of the first attachment 4 or another location arranged detection unit to be detected automatically.

The first boom 3 after it has been determined that the attachment 4 is filled and the first boom 3 moved to the third position P3, automatically swung laterally by 45 ° to the outside and automatically emptied. When pivoting sideways is the first boom 3 preferably still raised to the maximum height.

The lateral position of the first boom 3 is shown with dotted link. The pivoting process can coincide with the displacement of the first boom 3 respectively.

At the time when it is detected that the first attachment 4 is filled, the driver of the vehicle operates a control panel of the control unit, whereby the same automatically the second boom 5 with second attachment 6 is assigned.

During the first boom 3 at the crossbar 2 is automatically shifted horizontally to the third position P3, becomes the second boom 5 automatically shifted from the second position P2 to the first position P1, wherein the second boom 5 is raised to a maximum height.

Already with subsequent, not shown here emptying of the first attachment 4 becomes the second attachment 6 used in a second process step for further excavation of the trench G. This will be the second boom 5 attached second attachment 6 also filled to a predetermined extent by the driver by operating the control unit.

After automatic emptying of the first attachment 4 pivots the first boom 3 automatically returns to its original position. In the initial position is the first boom 3 parallel to the second boom 5 which is located at the first position P1 on the crossbar 2 is located.

Is this the second attachment? 6 filled, wherein the degree of filling is determined by the driver of the vehicle, the guide again actuates the control panel, whereby the control unit repeatedly the first boom 3 assigned.

The second boom 5 automatically becomes the second position P2 of the traverse 2 moved and swung laterally outwards by 45 ° and automatically emptied. The lateral position of the second boom 5 with second attachment 6 is shown with a dashed line.

After emptying the second attachment 6 pivots the second boom 5 automatically returns to its original position at the second position P2.

Parallel to the displacement of the second boom 5 to the second position P2 becomes the first boom 3 automatically shifted from the third position P3 to the first position P1.

The first boom 3 is controlled by means of manually operated by the guide control unit such that the first attachment 4 filled with earth to the specified extent.

Subsequently, the first boom 3 automatically moved to the third position P3, swung laterally outwards and automatically emptied while the second boom 5 is automatically shifted from the second position P2 to the first position P1. The second boom 5 with second attachment 6 is controlled and moved by operating the control unit, so that the second attachment 6 repeatedly filled with soil.

The automatic horizontal displacement of the first boom 3 and the second boom 5 at the crossbar 2 is by means of a coupling device 9 which are the two outriggers 3 . 5 connects to each other, and a hydraulic device, not shown, realized. By means of the coupling device 9 and the hydraulic device are the boom 3 . 5 always at the same time horizontally at the traverse 2 displaceable.

Alternatively, the automatic horizontal displacement of the boom 3 . 5 at the crossbar 2 realized by two hydraulic cylinders not shown in detail.

A first hydraulic cylinder is the first boom 3 assigned and at the traverse 2 arranged, wherein by means of the first hydraulic cylinder, the first arm 3 from the first position P1 to the third position P3 and back is displaceable.

A second hydraulic cylinder is the second boom 5 assigned so that the second boom 5 from the second position P2 to the first position P1 and backward.

In this case, the hydraulic cylinders are particularly preferably designed as double-acting hydraulic cylinders, so that the hydraulic cylinders have two active directions of movement. A first direction of movement with respect to the first boom 3 is the horizontal shifting thereof from the first position P1 to the second position P2, and a second moving direction is the horizontal shifting from the second position P2 to the first position P1.

The hydraulic cylinders are preferably controllable such that the first boom 3 at least any position between the first position P1 and the third position P3 and the second boom 5 at least any position between the second position P2 and the first position P1 can take.

According to the invention can always be a working device 4 . 6 be filled so that the creation of the trench G is twice as fast feasible, as in the prior art, the emptying of the implement 4 . 6 just as long as filling takes.

It is also conceivable that on the first boom 3 another attachment 4 as on the second boom 5 is attachable, so that the two outriggers 3 . 5 with their respective attachment 4 . 6 at least one after another can perform different operations.

As an alternative to the excavator, the device according to the invention may be a stationary device. The stationarily arranged device can be arranged in the immediate vicinity of a conveyor belt, so that by means of the conveyor belt the device supplied objects by means of the jibs 3 . 5 attached attachments 4 . 6 , z. B. in the form of grippers, can be removed from the conveyor belt.

The outriggers 3 . 5 are horizontally movable on the crossbar 2 arranged so that the first boom 3 , its first attachment 4 is equipped with an object is moved laterally for Entstücken. While moving the first boom 3 becomes the second boom 5 moved to the working position to work with the second attachment 6 to pick up another object from the conveyor belt.

It is also possible that the crossbeam 2 circumferentially closed, for example, is annular, so that the first arm 3 is in a working position or moved to the working position, wherein the second boom 5 his second attachment 6 deflated or entstückt or moved to the emptying position or the Entwurfungsposition. The outriggers lead 3 . 5 a circular movement about a substantially vertical axis.

In addition, it is possible to have more than two outriggers 3 . 5 at the crossbar 2 to be arranged, which are shifted in cycles to a working position or emptying position or Entwurfungsposition.

In a further embodiment of the device according to the invention are those on the traverse 2 arranged boom 3 . 5 by means of the carrier device 1 horizontally movable.

This is the carrier device 1 rotatably mounted about a vertical axis, so that the carrier device 1 intermittently after completion of a work process, an emptying or a Entstückens the attachments 4 . 6 rotates to a next position, so that the respective attachment 4 . 6 after the rotational movement of the carrier device 1 is at a further working position, emptying position or Entwurfungsposition.

In 2 is the first boom 3 with first attachment 4 shown in a side view.

The first boom 3 is at the traverse 2 arranged, which two cross members 2.3 . 2.4 includes, attached to the carrier 1 are attached. The first boom 3 is designed in two parts and is generally referred to as an adjustment boom, wherein the first boom 3 and the first attachment 4 by means of a hydraulic system 3.1 to be moved.

The first boom 3 and the hydraulics 3.1 are on a holding element 7 attached, which corresponds to the position of the first boom 3 and the hydraulics 3.1 the crossbeams 2.3 . 2.4 almost completely encompassing guide elements 8th are arranged. By means of the guide elements 8th are the first boom 3 and his hydraulics 3.1 in form fit to the cross member 2.3 . 2.4 held and by means of the hydraulic cylinder on the cross members 2.3 . 2.4 displaceable.

Similarly, the second boom 5 to the crossbar 2 forming cross members 2.3 . 2.4 attached.

LIST OF REFERENCE NUMBERS

1

Carrying device

2

traverse

2.1

first end

2.2

second end

2.3

upper cross member

2.4

lower cross member

3

first boom

4

first attachment

5

second boom

6

second attachment

7

retaining element

8th

guide element

9

coupling device

G

dig

P1

first position

P2

second position

P3

third position

Claims (10)

Device comprising - one on a traverse ( 2 ) arranged first boom ( 3 ) on which a first attachment ( 4 ) is attachable and - at least one on the Traverse ( 2 ) arranged second boom ( 5 ) on which a second attachment ( 6 ), - a control unit, which alternately - the first arm ( 3 ) with the first attachment ( 4 ), so that the first attachment ( 4 ) can be filled or fitted by manual operation while the second attachment ( 6 ) is automatically emptied or be removed, or - the second boom ( 5 ) with the second attachment ( 6 ), so that the second attachment ( 6 ) can be filled or fitted by manual operation while the first attachment ( 4 ) is automatically emptied or unravelable, characterized in that the first boom ( 3 ) and the second boom ( 5 ) on the crossbeam ( 2 ) in Longitudinal direction of the traverse ( 2 ) are arranged horizontally displaceable. Apparatus according to claim 1, characterized in that the device is a vehicle and that the first attachment ( 4 ) and the second attachment ( 6 ) Grave or gripping equipment, especially excavator buckets or grabs are. Apparatus according to claim 1 or 2, characterized in that the horizontal displacement of the respective cantilever ( 3 . 5 ) Is feasible by means of a hydraulic cylinder. Device according to one of the preceding claims, characterized in that the first boom ( 3 ) and the second boom ( 5 ) pivotable on the crossbar ( 2 ) are arranged. Device according to one of the preceding claims, characterized in that the device can be arranged stationary. Device according to one of the preceding claims, characterized in that the traverse ( 2 ) is formed circumferentially closed, so that several arms ( 3 . 5 ) are intermittently displaceable, so that in each case a boom ( 3 . 5 ) is or is placed in a working position. Method for operating a device which comprises - one on a crossbeam ( 2 ) arranged first boom ( 3 ) on which a first attachment ( 4 ) is attachable and - one at the Traverse ( 2 ) arranged second boom ( 5 ) on which a second attachment ( 6 ) is attachable, wherein the first boom ( 3 ) and the second boom ( 5 ) on the crossbeam ( 2 ) in the longitudinal direction of the traverse ( 2 ) are arranged horizontally displaceable, - an operating unit, which alternately - the first arm ( 3 ) with the first attachment ( 4 ), so that the first attachment ( 4 ) is filled or equipped by manual operation, while the second attachment ( 6 ) is automatically emptied or removed, or - the second boom ( 5 ) with the second attachment ( 6 ), so that the second attachment ( 6 ) is filled or filled by manual operation while the first attachment ( 4 ) is automatically emptied or struck, characterized in that the first boom ( 3 ) and the second boom ( 5 ) in each case before filling or equipping the respective attachment ( 4 . 6 ) horizontally on the traverse ( 2 ) are moved to a middle first position (P1) as a working position, and that - the first boom ( 3 ) and the second boom ( 5 ) after each filling or loading of the respective attachment ( 4 . 6 ) horizontally on the traverse ( 2 ) are moved to a lateral second position (P2) as a discharge position or a removal position or into a lateral third position (P3) as a discharge position or a removal position, wherein the horizontal displacement of the delivery device ( 3 . 5 ) upon reaching a predetermined position of the boom ( 3 . 5 ) and / or the attachment ( 4 . 6 ) is performed automatically. Method according to claim 7, characterized in that the first boom ( 3 ) and the second boom ( 5 ) before emptying or removing the relevant attachment ( 4 . 6 ) about a substantially vertical axis in the emptying position or Entwurfungsposition be pivoted. A method according to claim 8, characterized in that alternately the first boom ( 3 ) with the first attachment ( 4 ) and the second boom ( 5 ) with the second attachment ( 6 ) are automatically swung laterally before emptying or Entstücken and automatically swung back after emptying or Entstücken. Method according to claim 8, characterized in that the first cantilever ( 3 ) with the first attachment ( 4 ) and the second boom ( 5 ) with the second attachment ( 6 ) are automatically swung laterally before emptying or Entstücken and automatically swung back after emptying or Entstücken.

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