EP3274513B1 - Floor cleaning machine - Google Patents

Description

The invention relates to a floor-cleaning machine, comprising a chassis, at least one floor-working tool device, which holds at least one floor-working tool, and a fixing device for detachably mounting the at least one floor-working tool device on the chassis, with a first fixing device, which is arranged on the at least one floor-working tool device, and with a second fixing device which is arranged on the chassis, the first fixing device and the second fixing device being adapted to one another, the first fixing device comprising a first contact area and a second contact area, the second fixing device having a third contact area for the first contact area and a fourth contact area for comprises the second contact area, and the fixing device has a tensioning device for tensioning the at least one soil treatment A power tool assembly on the chassis, wherein the first abutment area and the second abutment area are opposite and face away from each other, and the third abutment area and the fourth abutment area are opposite and face each other.

the DE 10 2007 030 346 A1 discloses a system of a carrier vehicle and a plurality of add-on units to be optionally mounted laterally in the intermediate axle area of the carrier vehicle, of which at least two add-on units have a mounting area of different design.

the FR 2 949 795 discloses a suction hose device.

the EP 2 778 288 A2 discloses a floor cleaning machine with a chassis, wherein a base and an attachment are provided and the base and the attachment are releasably connected to one another in a locking position.

the U.S. 2009/0307937 A1 reveals a snow plow.

the US 6,381,880 B1 discloses a hook fixation device for powered snowplow blades.

The invention is based on the object of providing a floor cleaning machine of the type mentioned at the outset, on which a tool change (a change of the floor working tool device) can be carried out in a simple manner.

In the floor cleaning machine mentioned at the outset, this object is achieved according to the invention in that the fourth contact area is designed as a support area for the at least one soil working tool device and forms a lower support surface in relation to the direction of gravity, and that the third contact area and the fourth contact area are on a cross member and/or are arranged on one or more longitudinal members of the chassis.

The clamping device can be used to clamp the chassis and the at least one soil cultivation tool device. In addition, a jamming is achieved at the contact areas of the first fixing device and the second fixing device.

This allows a quick change to be carried out in a simple manner.

A floor cleaning machine is provided with an interface on which different floor working tool devices can be mounted. The assembly and removal of a corresponding soil working tool device can be carried out in a simple and quick manner.

The first abutment area and the second abutment area are opposite and facing away from each other. As a result, they can be formed on an element such as, for example, on a longitudinal member of a soil-working tool device. It can be achieved in a simple manner, a tension.

The third abutment area and the fourth abutment area are opposed and face each other. In this way, a deadlock can be achieved with an element that is positioned between the third contact area and the fourth contact area. As a result, for example, the fourth contact area can also be used as a contact surface and supporting surface downwards if it is below the third contact area in relation to the direction of gravity. This facilitates the assembly process and simple pre-positioning is achieved. The third contact area can then also be used to prevent tipping during an assembly process.

The fourth contact area is designed as a support area for the at least one soil working tool device. In relation to the direction of gravity, it forms a lower support surface. This lower support surface facilitates an assembly process.

It is also favorable if the second fixing device has an immersion space between the third contact area and the fourth contact area has, in which an element of the first fixing device with the first contact area and the second contact area can be immersed. This makes it easy to achieve clamping between the corresponding element (such as a side member) of the soil working tool device on the chassis. It is a simple assembly possible and also a quick disassembly possible.

Advantageously, the first contact area and/or the second contact area has at least two spaced-apart partial surfaces and/or the third contact area and/or the fourth contact area has at least two spaced-apart partial surfaces. This provides a large contact surface. Spaced abutment surfaces can be provided to allow for effective assembly and disassembly. A risk of tipping during an assembly process and disassembly process is reduced.

It is particularly advantageous if the third contact area and/or the first contact area has an inclined contact surface in relation to a longitudinal direction of the chassis, with a distance between the third contact area and the fourth contact area in particular varying in the longitudinal direction of the chassis and in particular Decreased direction from a front end to a rear end of the chassis. A tolerance compensation is thereby provided. Pre-positioning can be carried out, which does not have to be "exact" for final assembly. In particular, the clamping device can then be used to finally apply the contact areas to one another for clamping.

The third contact area and the fourth contact area are arranged on a cross member or on one or more longitudinal members of the chassis.

It is particularly advantageous if the tensioning device is designed in such a way that an element of the first fixing device (such as a longitudinal beam) is connected to the first contact area and the second contact area to an element the second fixing device (such as a cross member) can be clamped to the third contact area and the fourth contact area. As a result, the soil working tool device can be clamped to the chassis in a simple manner.

It is particularly advantageous if the clamping device comprises an eccentric, through which a relative translatory movement between the at least one soil working tool device and the chassis can be brought about during a clamping process and/or during a release process of a clamping. This allows pre-positioning to be achieved in a simple manner during an assembly process. A final positioning is then achieved during bracing. This makes assembly easier. It can be done faster. Furthermore, certain tolerances are then also permitted for the elements of the fixing device. An eccentric function when releasing a tension makes disassembly easier. If a tension is released, then the relative translational movement can move the soil working tool device out of a clamped position ("ejector function"), for example, and to a certain extent pre-position it for disassembly.

In one embodiment, the tensioning device comprises a rotatable member on which one or more engagement elements are arranged, and the tensioning device comprises one or more counter-elements for the engagement element or elements, wherein (i) the rotatable member is arranged on the first fixing device and the or the Counter elements are arranged on the second fixing means, or (ii) the rotatable member is arranged on the second fixing means and the counter element or elements are arranged on the first fixing means. Access can thus be achieved in a simple manner, in which case tension (in addition to the jamming at the contact areas) is realized between the soil working tool device and the chassis.

It is favorable if the at least one engagement element has a recess into which the counter-element can be brought, with the recess in particular being acentric to an axis of rotation of the rotatable member. In this way, a coupling between an engaging element and a counter-element can be achieved in a simple manner. An eccentric arrangement can be used to implement an eccentric, in which case a relative translational movement between the at least one soil cultivation tool device and the chassis is then made possible, in order to achieve final positioning with bracing, in particular from a "rough" pre-position of the soil cultivation tool device to the chassis.

In one exemplary embodiment, the at least one engagement element has a recess with a first flank and a second flank, wherein the action of the first flank on a counter-element can cause a displacement of the counter-element in a first direction, and when the second flank acts on a counter-element, a displacement of the counter-element can be effected Displacement of the counter-element can be effected in a second direction opposite to the first direction. In particular, the first flank and the second flank lie opposite one another. The second flank is, for example, convexly curved. In particular, a displacement of the counter-element (and thus a carrier device on which the counter-element is arranged) can be obtained via the first flank between the carrier device and the chassis, which presses contact areas against one another when a clamping position is brought about on the clamping device. By releasing the clamping position, the second flank can act on a counter-element and thus on the carrier device in order to move the carrier device in an opposite direction. An ejector function is thus implemented, which is a type of pre-positioning for dismantling.

An actuating element can be assigned to the rotatable member. The actuating element is, for example, a rod, with an operator's gripping area on the actuating element being spaced apart from the rotatable one limb is. This makes it easier to carry out a clamping operation and also makes it easier to release a clamping.

In one embodiment, the fixing device has at least one bar with a recess open at the front and the second fixing device has at least one pin for receiving in the recess, the pin in particular being able to be brought into the recess by sliding the at least one bar. The pin is designed as a mushroom, for example. As a result, torque support can be achieved in addition to the contact on the contact areas and the bracing via the tensioning device.

It is favorable if the at least one pin is at a distance from the third contact area and the fourth contact area and/or the at least one recess on the at least one strip is at a distance from the first contact area and the second contact area. This results in an additional torque support in order to achieve a firm fixation of the soil working tool device on the chassis.

The at least one pin is preferably arranged on a longitudinal member of the chassis. It can protrude to an opposite side of the chassis or protrude outwards.

When the at least one tillage implement is mounted on the chassis, the at least one slat (such as a side member of the tillage implement) may be positioned between side rails of the chassis, or at least one side sill of the chassis may be positioned between slats.

It is favorable if a set of different soil working tool devices is provided, the set comprising in particular a sweeping tool device and a front power lifting device. The floor cleaning machine can be combined with different floor preparation tool devices provided (whereby usually only one soil working tool device is fixed to the chassis at the same time with respect to a working operation). The fixing device provides an interface which can be used for different soil working tool devices. A quick and easy change can be carried out.

Figur 1

eine Seitenansicht eines Ausführungsbeispiels einer erfindungs-gemäßen Bodenreinigungsmaschine in Form einer Kehrmaschine mit an einem Fahrgestell montierter Kehrwerkzeugvorrichtung;

Figur 2

eine Vorderansicht der Bodenreinigungsmaschine gemäß Figur 1 in der Richtung A;

Figur 3

eine Unteransicht der Bodenreinigungsmaschine gemäß Figur 1 in der Richtung B;

Figur 4

das gleiche Fahrzeug wie in Figur 1, wobei anstatt der Kehrwerkzeugvorrichtung an dem Fahrgestell eine Frontkrafthebevorrichtung angeordnet ist;

Figur 5

eine Vorderansicht des Fahrzeugs gemäß Figur 4 in der Richtung C;

Figur 6

eine Unteransicht des Fahrzeugs gemäß Figur 4 in der Richtung D;

Figur 7

eine Seitenansicht eines Ausführungsbeispiels einer erfindungsgemäßen Kehrwerkzeugvorrichtung (wie sie an der Bodenreinigungsmaschine gemäß Figur 1 angeordnet ist);

Figur 8

eine perspektivische Darstellung der Kehrwerkzeugvorrichtung gemäß Figur 7, mit einer Teildarstellung des Fahrgestells, an welchem die Kehrwerkzeugvorrichtung montiert ist;

Figur 9

eine Seitenansicht der Anordnung gemäß Figur 8;

Figur 10

eine Schnittansicht längs der Linie 10-10 gemäß Figur 2 für die Kehrwerkzeugvorrichtung, wobei diese noch nicht am Fahrgestell montiert ist;

Figur 11

die gleiche Ansicht wie Figur 10 bei an dem Fahrgestell montierter Kehrwerkzeugvorrichtung;

Figur 12

eine schematische Teildarstellung einer weiteren Kehrwerkzeugvorrichtung, welche an einem Fahrgestell montiert ist;

Figur 13

eine Seitenansicht einer Frontkrafthebevorrichtung (entsprechend der Frontkrafthebevorrichtung, welche in Figur 4 an der Bodenreinigungsmaschine montiert ist);

Figur 14

eine perspektivische Darstellung der Frontkrafthebevorrichtung gemäß Figur 13 mit einer Teildarstellung eines Fahrgestells, an welchem die Frontkrafthebevorrichtung montiert ist;

Figur 15

eine Seitenansicht der Anordnung gemäß Figur 14;

Figur 16

eine Schnittansicht längs der Linie 16-16 gemäß Figur 5 der Frontkrafthebevorrichtung, wenn sie von dem Fahrgestell gelöst ist; und

Figur 17

die gleiche Ansicht wie Figur 16, wenn die Frontkrafthebevorrichtung an dem Fahrgestell montiert ist.

The following description of preferred embodiments serves to explain the invention in more detail in conjunction with the drawings. Show it:

figure 1

a side view of an embodiment of a floor cleaning machine according to the invention in the form of a sweeper with a sweeping tool device mounted on a chassis;

figure 2

a front view of the floor cleaning machine according to FIG figure 1 in direction A;

figure 3

a bottom view of the floor cleaning machine according to FIG figure 1 in direction B;

figure 4

the same vehicle as in figure 1 wherein instead of the sweeping tool device on the chassis, a front hitch device is arranged;

figure 5

a front view of the vehicle according to FIG figure 4 in direction C;

figure 6

a bottom view of the vehicle according to FIG figure 4 in direction D;

figure 7

a side view of an embodiment of a sweeping tool device according to the invention (as on the floor cleaning machine according to figure 1 arranged);

figure 8

a perspective view of the sweeping tool device according to figure 7 , with a partial view of the chassis on which the sweeping tool device is mounted;

figure 9

a side view of the arrangement according to FIG figure 8 ;

figure 10

10 is a sectional view taken along line 10-10 of FIG figure 2 for the sweeping tool device, this being not yet mounted on the chassis;

figure 11

the same view as figure 10 with the sweeping tool device mounted on the chassis;

figure 12

a schematic partial representation of another sweeping tool device, which is mounted on a chassis;

figure 13

a side view of a front linkage (corresponding to the front linkage disclosed in figure 4 mounted on the floor cleaning machine);

figure 14

a perspective view of the front linkage according to figure 13 with a partial representation of a chassis on which the front linkage device is mounted;

figure 15

a side view of the arrangement according to FIG figure 14 ;

figure 16

16 is a sectional view taken along line 16-16 of FIG figure 5 the front hitch when detached from the chassis; and

figure 17

the same view as figure 16 when the front hitch is chassis mounted.

An embodiment of a floor cleaning machine, which in the Figures 1 to 3 and 4 to 6 shown with different attachments and denoted there by 10, comprises a chassis 12. The chassis 12 has a first part 14 and has a second part 16 on. The first part 14 and the second part 16 are connected to one another via an articulated joint 18 . A pivot axis 20 of the articulated joint 18 is oriented transversely and in particular perpendicularly to this floor 22 when the floor cleaning machine 10 is standing on a floor 22 , the floor being flat.

The chassis 12 has a front end 24 . The front end 24 is formed on the first part 14 . The chassis 12 also includes a rear end 26 . The rear end 26 is formed on the second part 16 .

The chassis 12 extends in a longitudinal direction 28 with respect to an unpivoted position of the first part 14 to the second part 16 which extends from the rear end 26 to the front end 24 .

When driving straight ahead in the forward direction of travel 30, the longitudinal direction 28 of the chassis 12 is parallel to this forward direction of travel 30.

A front wheel assembly 32 with a left front wheel 34 and a right front wheel 36 is seated on the first part 14 of the chassis 12.

A rear wheel assembly 38 with a left rear wheel 40 and a right rear wheel 42 is seated on the second part 16 of the chassis 12.

In one embodiment, all four wheels 34, 36, 40, 42 are driven. In particular, wheel motors are provided for this purpose.

A driver's seat 44 is arranged on the first part 14 . In one embodiment, an operator's cab 46 is provided in which the operator's seat 44 is positioned.

A housing 48 is arranged on the second part 16 and accommodates components of the floor cleaning machine 10 such as, for example, a motor for a traction drive.

A structure 50 which has a dirt container 52 sits on the housing 48 .

The floor cleaning machine 10 includes a suction device designated as a whole with 54 . The suction device 54 includes a suction unit 56. This is arranged, for example, in the housing 48 or on the structure 50. The suction unit 56 provides a suction flow, via which dirt can be sucked off the floor 22 and collected in the dirt container 52 .

A suction line 58 leads from the suction unit 56 into an area of the first part 14 of the chassis 12 below the driver's cab 46. The suction line 58 is in particular straight.

In one embodiment ( Figures 1 to 3 ) The floor cleaning machine 10 is designed as a sweeper or functions as a sweeper. For this purpose, a sweeping tool device 60 is arranged on the chassis 12 as a soil working tool device ( Figures 1 to 3 , 7 to 12 ).

The sweeping tool device 60 has a carrier device 62 . In one exemplary embodiment, the carrier device 62 includes a cross member 64. A first tool holder 66a and a second tool holder 66b are arranged on the carrier device 62 and thereby on the cross member 64.

The first tool holder 66a and the second tool holder 66b are each fixed to the cross member 64 via a holding device 68 .

In one exemplary embodiment, the holding device 68 is designed as a polygonal link such as, for example, a trapezoidal link or parallelogram link.

A height position of the respective first tool holder 66a or 66b relative to the cross member 64 can be adjusted via the holding device 68 .

As a result, the tool holders 66a, 66b can be brought into a transport position when the sweeping tool device 60 is mounted on the chassis 12 (cf figure 1 ) and can be brought into a working position by appropriate positioning via the holding device 68, in which a sweeping operation on the floor 22 can be carried out.

A corresponding height adjustment device is provided, which comprises, for example, a hydraulic or pneumatic cylinder.

A drive motor 70 is arranged on each of the first tool holder 66a and the second tool holder 66b. A sweeping tool 72, which is seated on the corresponding tool holder 66a or 66b, can be rotated about an axis of rotation 74 via this.

A sweeping tool 72 is designed in particular as a plate brush with a brush plate 76. Brushes 78 are held on the brush plate 76. The brushes 78 are oriented at an obtuse angle to the brush plate 76 when no force is applied. This obtuse angle is approximately 135°, for example.

A lower end of the brushes 78 lies on an envelope plane.

In one exemplary embodiment, this envelope plane lies in a transport position of the sweeping tool device 60 ( figure 1 ) at least approximately parallel to the floor 22 on which the floor cleaning machine 10 with the front wheel device 32 and the rear wheel device 38 stands up.

The respective holding device 68 for the first tool holder 66a and the second tool holder 66b form a holding arm which is positioned on the cross member 64 . In one embodiment, these support arms each sit at an obtuse angle to cross member 64.

In principle, it is possible for the holding device 68 to be seated on the cross member 64 in each case via a swivel joint 80 . A corresponding angular position relative to the crossbeam 64 can be adjusted in a lockable manner via this swivel joint 80 . This allows a “sweeping width” to be set as the distance between sweeping tools 72 which are held on the first tool holder 66a and on the second tool holder 66b.

To adjust a pivoting position of the holding device 68 via the respective pivot joint 80, an adjustment device 81 is provided, for example, which comprises a hydraulic or pneumatic cylinder, for example.

In one embodiment, the first tool nest 66a and the second tool nest 66b are positioned such that the respective sweeping tools 72 extend beyond both a front end of the floor cleaning machine 10 and a lateral end.

The suction device 54 has a suction mouth device 82 . The suction mouth device 82 has a suction opening 84 . The suction flow provided by the suction unit 56 can be applied to the floor to be cleaned via the suction opening 84; Dirt can be sucked in at the suction opening 84 and guided into the dirt container 52 via the suction line 58 .

The suction mouth device 82 has a box 86 on which the suction opening 84 is formed.

A tubular element 88 which forms a first connection 90 is arranged on the box 86 of the suction mouth device 82 .

The suction device 54 has a second connection 92 ( figure 3 ) to cooperate with the first port 90.

In an operative operating mode, the tubular element 88 is fluidically connected via the first connection 90 to the suction line 58 via the second connection 92 thereof, so that dirt sucked in at the suction opening 84 can be sucked off via the suction line 58 .

In particular, the first connection 90 and the second connection 92 are designed in such a way that a plug-in connection is possible.

The first connection 90 is in fluid communication with the suction opening 84 on the suction mouth device 82. A fluid space 94 is formed in the box 86 between the suction opening 84 and the first connection 90, through which fluid can flow accordingly.

The suction mouth device 82 with the box 86 is held on the carrier device 62 of the sweeping tool device 60 via a holder 96 .

The sweeping tool device 60 with the suction mouth device 82 held thereon forms a sweeping/suction module.

In one embodiment, the support assembly 62 includes a first side member 98a and a second side member 98b. The longitudinal beams 98a, 98b are spaced apart from one another and, in particular, spaced apart parallel to one another. They each sit on the cross member 84 and extend transversely and, in particular, perpendicularly thereto.

The bracket 96 is mounted on the side rails 98a, 98b between them.

In one embodiment, the box 86 of the suction mouth assembly 82 is held to the holder 96 via a pivot joint 100 . A pivot axis 102 is oriented parallel to the axes of rotation of the rear wheel device 38 or front wheel device 32 . The pivot axis 102 is oriented at least approximately parallel to the floor 22 when the floor cleaning machine 10 stands up on it via the front wheel device 32 and the rear wheel device 38 .

An adjustment device 104 is provided, by means of which a pivoting position of the box 86 on the holder 96 can be adjusted. The adjustment device 104 includes, for example, a pneumatic or hydraulic cylinder.

The adjusting device 104 can be used to ensure that the suction opening 84 is positioned optimally on the floor, in particular when the sweeping tool device 60 is in a working position. The suction mouth device 82 can also be kept at a distance from the floor 22 .

In one exemplary embodiment, the suction mouth device 82 comprises a wheel device 106 which is arranged on the box 86 in particular.

As a result, the suction mouth device 82 can be moved on the floor 22 during operation.

The suction opening 84 is oriented toward the sweeping tools 72 . In one embodiment, it has a boundary wall 107 (see, for example, figure 7 ) which is at an angle to a bottom 108 of the box 86.

When the sweeping tool device 60 is mounted on the floor cleaning machine 10, the suction mouth device 82 is below the chassis 12, the is positioned between the floor 22 and the chassis 12. In particular, it is positioned below the driver's cab 46 .

In one embodiment, it is positioned between the left front wheel 34 and the right front wheel 36 .

It is positioned in such a way that dirt particles can flow from the sweeping tools 72 to the suction opening 84 .

The suction mouth device 82 and the sweeping tool device 60 with the holding devices 68 and the tool holders 66a, 66b form a unit, namely the sweeping-suction module. This unit can be mounted on and removed from the chassis 12 as a whole.

For example, before removing the sweeping/suction module, a piece of pipe of the suction line 58 on which the connection 92 is arranged is removed. This piece of pipe is clamped between the first connection 90 and an upper connection.

After (re)assembling the sweeping/suction module on the chassis 12, this piece of pipe is reinserted.

If this unit is removed from the chassis 12, then the suction mouth device 82 is no longer arranged on the floor cleaning machine 10. A corresponding space is then made available for further applications.

If, for example, the floor cleaning machine 10 is used for winter service applications such as snow clearing, then the suction mouth device 82--removed from the machine 10--is also not exposed to weather-related influences and loaded with salt. For example, when mowing, the suction mouth device is not soiled and no complex cleaning is necessary.

The space provided can be used, for example, for the central passage of a separate suction hose, for example for grass suction when mowing or for water suction when scrubbing (if the corresponding tool device is fixed to the chassis 12).

Overall, the maintenance and repair of the floor cleaning machine 10 is made easier.

The guidance of the suction line 58 can be optimized with regard to the fluid guidance; it can be guided "straight" without kinks, bends and the like. As a result, the risk of deposits in the suction line 58 can be kept low.

The suction nozzle device 82 is positioned below the chassis 12 and in particular below the driver's seat 44 during a cleaning operation. As a result, for example, collision damage (such as when driving over curbs) can be avoided or the risk of collision damage can be minimized.

If other tool devices such as a front lifting tool device are to be used on the floor cleaning machine 10, then the suction mouth device 82 has no influence on the design of such a tool device, since the suction mouth device 82 does not remain on the vehicle when the sweeping tool device 60 is removed.

A fixing device 110 for mounting the sweeping tool device 60 (the sweeping suction module) on the chassis 12 is provided. The fixing device 100 comprises a first fixing device 112 which is arranged on the sweeping tool device 60 and there on the carrier device 62 . It also includes a second fixing device 114 which is arranged on the chassis 12 . The first fixation device 112 and the second fixing device 114 are adapted to one another in order to enable the sweeping tool device 60 to be fixed to the floor cleaning machine 10 in a simple manner, this fixing also being detachable in a simple manner.

The first fixing device 112 of the sweeping tool device 60 comprises components which are arranged on the carrier device 62 .

The first fixing device 112 has a first contact area 116 which is arranged on the carrier device 62 and thereby on the cross member 64 . This first contact area 116 provides a contact surface 118 . This is used to rest against a third contact area 120 of the second fixing device 114, as will be explained in more detail below (see, for example, figure 10 ).

In one embodiment, the first contact area 116 is formed by spaced-apart partial surfaces 118a, 118b, with a partial surface 118a, 118b being assigned to a longitudinal member 122a, 122b of the chassis 12 in each case. The sub-areas 118a, 118b are in figure 8 indicated, but they are covered by other elements there.

In one exemplary embodiment, the respective contact surface 118 (with the partial surfaces 118a, 118b) is designed as inclined surfaces relative to the longitudinal axis 26 of the chassis 12 .

A second contact area 124 of the first fixing device 112 is formed on the cross member 64 opposite the first contact area 116 .

This second contact area 124 is used for contacting a fourth contact area 126 of the second fixing device 114.

The longitudinal supports 98a, 98b of the support device 62 form strips in the manner of "swords". They have a recess 128 on the end face. This Recess 128 is associated with an insertion recess that widens toward a front end 130 .

The recess 128 serves as a receptacle for a respective pin 132 of the second fixing device 114.

Such a pin 132 is arranged on the longitudinal beams 122a, 122b of the chassis 12. The corresponding pin 132 is in particular designed in the shape of a mushroom (cf figure 8 ). It has a first area which can be brought into the recess 128 in an insertion direction. The first area is adjoined by a second area with a larger diameter, which, when the pin 132 is in the recess 128, blocks transverse mobility.

In one exemplary embodiment, the pins 132 on the longitudinal beams 122a, 122b are arranged facing one another, that is, arranged protruding inwardly on the longitudinal beams 122a, 122b, respectively.

In principle, it is also possible for a pin 132 to be arranged so as to project outwards on a longitudinal member 122a, 122b.

The pins 132 are positioned on the longitudinal members 122a, 122b such that when the first contact area 116 is in contact with a third contact area 120 and the second contact area 124 is in contact with the fourth contact area 126, the pins 132 are positioned in the respective recesses 128.

In one embodiment, the pins 132 are positioned on the side rails 122a, 122b in an area 134 on which the left front wheel 34 and right front wheel 36 seat, respectively.

The chassis 12 includes the spaced longitudinal beams 122a, 122b. In the area of the front end 24 these are connected to one another by a cross member 136 .

An outrigger 138 is seated on the longitudinal members 122a, 122b and/or the cross member 136 (compare, for example, figure 7 or 10 ). This boom 138 is positioned such that when the longitudinal members 98a, 98b of the sweeping tool device 60 (i.e. the first fixing device 112) are seated on the chassis 12, they are located above the carrier device 62 in relation to the direction of gravity g (cf figures 8 and 11 ).

The third contact area 120 is formed on the cantilever 138 . It is formed by a bar 140, for example. This strip 140 has a contact surface 142 which is oriented at an angle, in particular in relation to the longitudinal direction 28 of the chassis 12.

The fourth contact area 126 is arranged, for example, on the cross member 136 and is located opposite the third contact area 120 and faces it.

The first contact area 116 and the second contact area 124 are repellent to one another.

An immersion space 142 is formed between the third contact area 120 and the fourth contact area 126, into which the first longitudinal member 98a and the second longitudinal member 98b can each enter, in order to ensure that the first contact area 116 contacts the third contact area 120 and the second contact area 124 to the fourth contact area 126 to allow.

The fourth contact area 126 forms a support in relation to the direction of gravity g downwards.

During an assembly process of the sweeping tool device 60 , before the third bearing area 120 finally abuts against the first bearing area 116 , it provides support downwards and thus simplifies assembly. The carrier device 62 can be pushed into its final position, so to speak, resting on the fourth contact area 126 , in which the pin 132 is seated in the recess 128 .

Tolerances can be compensated for by the oblique orientation of the third contact area 120 and by an optionally oblique orientation of the first contact area 116 .

The fixing device 110 also has a clamping device 144 which is used to detachably clamp the carrier device 62 of the sweeping tool device 60 to the chassis 12 . It is at a distance from the third contact area 120 and the fourth contact area 126.

In one embodiment, tensioner 144 includes a rotatable member 146 disposed on bracket 138 . An axis of rotation 148 is oriented perpendicular to the longitudinal direction 28 of the chassis 12, based on an assembly position of the sweeping tool device 60 on the chassis 12. This axis of rotation 148 lies parallel to the axes of rotation of the front wheel device 32 and rear wheel device 38.

At least one engagement element 150 is seated on the rotatable member 146 in a manner fixed against relative rotation, spaced apart from the third contact area 120 and the fourth contact area 126.

In one embodiment, two spaced apart engagement elements 150 are provided.

An engaging element is in particular designed in the shape of a disk with a recess 152. The recess 152 is acentric to the axis of rotation 148 and is in particular at a distance from it.

Counter-elements 154 for the engaging elements 150 are arranged on the carrier device 62 . These are positioned in such a way that, with correct pre-positioning of the sweeping tool device 60 relative to the chassis 12 (with the second contact area 124 resting against the fourth contact area 126 and the pins 132 being positioned in the recesses 128), the engagement element 150 can engage the counter-element 154 in that the counter-element 154 can enter the recess 152 .

The respective counter-element 154 is designed in particular as a pin element which is arranged on the carrier device 62 .

The cantilever 138 overlaps the carrier device 62 with the rotatable member 146 in this area. An engaging element 150 can then act on the counter-element 154 from above in relation to the direction of gravity g.

By rotating the rotatable member 154 when the corresponding mating elements 154 are in the recesses 152, bracing can be achieved.

The clamping device 154 is designed as an eccentric device. During a clamping process by rotating the rotatable member 146, there is also a translational movement of the carrier device 62 relative to the chassis 12 in order, in addition to the clamping on the clamping device 154, to ensure that the first fixing device 112 is clamped with the second fixing device 114 at the contact areas 116, 120, 124, 126 to reach.

A recess 152 (cf figure 7 ) is designed in such a way that when a tension is applied, an eccentric function is achieved with a translational movement in a first direction for jamming, and when the tension is released, an eccentric function is achieved with an ejector function with an opposite translational movement in a second direction (which is opposite to the first direction). .

For this purpose, the recess 152 has a first flank 153a and an opposite second flank 153b. There is a free space of the recess 152 between the first flank 153a and the second flank 153b.

The second flank 153b is, for example, convexly curved.

The first flank 153a is, for example, formed in a concave manner.

A distance between the first flank 153a and the second flank 153b is largest at the open end of the recess 152 and decreases like a funnel inward toward a transverse arrangement between the first flank 153a and the second flank 153b.

The first flank 153a is designed in such a way that during a rotation for bracing (towards the bottom 22 and in the illustration according to figure 7 counterclockwise) it acts on a corresponding counter element 154 and causes a displacement of the carrier device 62 in the direction of the rear end of the chassis 12.

The second flank 153b is designed in such a way that when the clamping position is released, it acts on the corresponding counter-element 154 and displaces the carrier device 62 in the direction away from the rear end 26 of the chassis. As a result, an ejector function is implemented with the release of a jam on the contact areas 116, 120, 124, 126.

A corresponding clamping position can be released by rotating the rotatable member 146; the rotation occurs in the arrangement according to FIG figure 7 away from the floor 22 and clockwise.

In one embodiment, an actuator 156 such as a rod is disposed on the rotatable member 146 . A rotation for clamping or for releasing a clamping can be carried out from the outside via the actuating element 156 .

In principle, it is also possible for a motor, such as an electric motor, to be provided as the actuating element 156 .

The actuating element 156 is correspondingly linked to the rotatable member 146 in order to enable a corresponding rotation to produce a clamped position or to release a clamped position with easy accessibility.

To establish the fixation between the sweeping tool device 60 and the chassis 12, i.e. to mount the sweeping tool device 60 on the chassis 12, the procedure is as follows:
The carrier device 62 of the sweeping tool device 60 is positioned on the chassis 12 . In particular, the first longitudinal member 98a and the second longitudinal member 98b are placed on the fourth contact area 126 . The corresponding unit is then shifted in the longitudinal direction 28 of the chassis 12 until the respective pins 132 of the second fixing device 114 are immersed in the associated recesses 128 on the front ends 130 of the longitudinal beams 98a, 98b.

A pre-positioning with respect to the contact areas 116, 120, 124, 126 is then also achieved.

The fourth abutment area 126 provides a support surface for downward support during this process.

The clamping device 144 is correspondingly positioned in relation to the pins 132 , which then, by rotating the rotatable member 146 about the axis of rotation 148 , allows the engaging elements 150 to engage with the associated counter-elements 154 . This creates tension.

Due to the eccentric design, a displacement can also take place, in which case in particular the first contact area 116 is pressed against the third contact area 120 .

A clamping between the carrier device 62 and the chassis with respect to the second fixing device 114 at the contact areas 112, 116, 120, 126 is achieved.

The inclined surfaces mentioned allow tolerance compensation.

This clamping position is secured by the clamping device 144, which can be actuated from the outside via the actuating element 156.

This clamping position can in turn be released by turning the clamping device 144 in the opposite direction.

As a result, the second flanks 153b act on the counter-elements 154 and an ejector function is implemented, in which the sweeping tool device 60 is pushed slightly forward.

The sweeping tool device 60 can then be pushed out accordingly.

The fixing device 110 basically comprises three components, firstly the contact component with the contact areas 116, 124, 130, 126. The contact takes place spatially in the area of the cross member 64 of the sweeping tool device 60.

A deadlock can be carried out there.

In addition, the fourth contact area 126 in particular can make it easier to establish a fixing position (clamping position), since downward support is made possible.

The fixing device 110 includes the tensioning device 144 as a second component. A mating element 154 of the first fixation device 112 is gripped by the rotatable member 146 of the second fixation device 114 in order to effect a bracing.

In one embodiment, the fixing device 110 comprises the “swords” 98a, 98b with their recesses 128 as a third component, in which the pins 132 of the second fixing device 114 can be positioned. A torque support for the sweeping tool device 60 on the chassis 12 can thereby be achieved.

In embodiments of tool devices, it can be provided that such a torque support is not necessary due to the forces acting.

The sweeping tool device 60 can be detached or assembled in a simple and quick manner by the fixing device 110 .

An interface is provided on the chassis 12 and also on the corresponding sweeping tool device 60 which makes it possible to fix a large number of different tool devices on the floor cleaning machine 10 .

In a variant of an embodiment ( figure 12 ) A sweeping tool device 60' is provided which is basically the same as the sweeping tool device 60 with the difference that a rotatable member 158 with engaging elements 160 is arranged on the sweeping tool device 60'. Corresponding counter-elements 162 are arranged on a chassis 12'.

The functionality is basically the same as described above. The corresponding tensioning device 164 differs from the tensioning device 144 in that the rotatable member 158 is now located on the sweeping tool device 60' and the mating elements 162 are located on the chassis 12'.

Otherwise the functionality is the same as described above.

In Figures 4 to 6 is the floor cleaning machine according to figure 1 shown with a different tillage implement assembly 166, specifically shown with a front hitch 168. Such a front power lifting device 168 is used, for example, to accommodate a snow plow.

The front hitch 168 is also in the Figures 13 to 17 shown.

The front power lifting device 168 can be detachably mounted on the chassis 12 via a fixing device corresponding to the fixing device 110 .

This fixing device has a second fixing device which is arranged on the chassis 12 . This is the second fixation device 114 as described above. This is used to fix the other tillage implement device 166 (such as the front hitch device 168) to the chassis 12.

The soil tillage tool device 166 also has a first fixing device 112', which is basically configured in the same way as the first fixing device 112 with regard to its components interacting with the second fixing device.

The front hitch 168 includes spaced side rails 170a, 170b. These longitudinal supports 170a, 170b form strips or "swords" with a recess 128' at their front end 130'. The respective pin 132 of the chassis 12 can be brought into this.

A first contact area 116 ′ and an opposite second contact area 124 ′ are formed on the side members 170a, 170b and serve to cooperate with the third contact area 120 and the fourth contact area 126 of the chassis 12 .

The longitudinal members 170a, 170b are connected to one another by one or more cross members 172.

Counter elements 154' are arranged on the longitudinal supports 170a, 170b, on which the engagement elements 150 of the rotatable member 156 can engage.

The front power lifting device 168 has a lifting device 174 which includes a fixing device 176 . In particular, a snow shield can be mounted on the fixing device 176 .

The lifting device 174 is articulated to the longitudinal beams 170a, 170b. The articulation is such that the lifting device 174 can be changed in its height position relative to the longitudinal beams 170a, 170b via a corresponding adjusting mechanism 178. When the front linkage device 168 is mounted on the chassis 12, the height position of the fixing device 176 and thus of a tool fixed to the fixing device 176, such as a snow plow, can be adjusted relative to the chassis 12 and in particular can be adjusted.

In principle, the front power lifting device 168 is fixed via the corresponding fixing device in the same way as described above with reference to the sweeping tool device 60 .

The contact areas 116', 124' of the front power lifting device 168 are used to contact corresponding contact areas 120, 126 of the chassis 12.

By means of the rotatable member 146, bracing with the counter-elements 154' can be achieved.

Torque support can be achieved via the longitudinal members 170a, 170b, with the pins 132 being inserted into the recess 128'.

The corresponding interface (the fixing device 110) has a part which is arranged on the chassis 12, namely the second fixing device 114.

The corresponding further part, namely the first fixing device 112, 112', is arranged and formed on the soil working tool device 168.

Therefore, different soil working tools can be mounted on the chassis 12 in a simple manner and a mounting position can be released in a simple manner.

In principle, a quick change of the corresponding soil working tool device 166 is made possible.

In particular, in connection with a sweeping/suction module 60, a complete suction mouth device 82 can be simultaneously disassembled with the disassembly of such a soil cultivation tool device 60.

In principle, the clamping device 144 of the fixing device 110 can be actuated without tools, so that simple operation is possible.

But it is also possible that a tool actuation is provided or that, for example, speed clamping elements are provided. A hydraulic, pneumatic, electrical (electric motor) actuation can also be provided.

Reference List

10

floor cleaning machine

12

chassis

12'

chassis

14

first part

16

second part

18

articulated joint

20

pivot axis

22

floor

24

front end

26

rear end

28

longitudinal direction

30

forward driving direction

32

front wheel setup

34

Left front wheel

36

Right front wheel

38

rear wheel setup

40

Left rear wheel

42

Right rear wheel

44

driver's seat

46

driver's cabin

48

Housing

50

Construction

52

dirt container

54

suction device

56

suction unit

58

suction line

60

sweeping tool device

60'

sweeping tool device

62

carrier device

64

cross member

66a

First tool holder

66b

Second tool holder

68

holding device

70

drive motor

72

sweeping tool

74

axis of rotation

76

brush plate

78

to brush

80

swivel joint

81

adjusting device

82

suction mouth device

84

suction port

86

box

88

tube element

90

First connection

92

Second connection

94

fluid space

96

holder

98a

First longitudinal member

98b

Second stringer

100

swivel joint

102

pivot axis

104

adjusting device

106

wheel setup

107

boundary wall

108

bottom

110

fixation device

112

First fixation device

112'

First fixation device

114

Second fixation device

116

First investment area

116'

First investment area

118

contact surface

118a

face

118b

face

120

Third investment area

122a

side members

122b

side members

124

Second investment area

124'

Second investment area

126

Fourth investment area

128

recess

128'

recess

130

Face end

130'

Face end

132

Pen

134

area

136

cross member

138

boom

140

strip

142

immersion room

144

clamping device

146

Rotatable limb

148

axis of rotation

150

engaging element

152

recess

153a

First flank

153b

Second Flank

154

counter element

154'

counter element

156

actuator

158

Rotatable limb

160

engaging element

162

counter element

164

clamping device

166

tillage tool setup

168

front hitch

170a

side members

170b

side members

172

cross member

174

lifting device

176

fixation device

178

adjustment mechanism

Claims (11)

1. Floor cleaning machine, comprising a chassis (12), at least one floor processing tool apparatus (166; 60; 168), which holds at least one floor processing tool (72), and a fixing device (110) for releasably mounting the at least one floor processing tool apparatus (166) on the chassis (12), with a first fixing device (112; 112'), which is arranged on the at least one floor processing tool apparatus (166), and with a second fixing device (114), which is arranged on the chassis (12), wherein the first fixing device (112; 112') and the second fixing device (114) are adapted to one another, the first fixing device (112; 112') comprises a first abutment region (116; 116') and a second abutment region (124; 124'), the second fixing device (114) comprises a third abutment region (120) for the first abutment region (116; 116') and a fourth abutment region (126) for the second abutment region (124; 124'), and the fixing device (110) has a clamping device (144; 164) for clamping the at least one floor processing tool apparatus (166) to the chassis (12), wherein the first abutment region (116; 116') and the second abutment region (124; 124') are located opposite one another and face away from one another, and in that the third abutment region (120) and the fourth abutment region (126) are located opposite one another and face toward one another, characterized in that the fourth abutment region (126) is configured as a support region for the at least one floor processing tool apparatus (166) and forms a lower support face in relation to the direction of gravity, and in that the third abutment region (120) and the fourth abutment region (126) are arranged on a transverse support (84) and/or on one or more longitudinal supports (122a, 122b) of the chassis.
2. Floor cleaning machine in accordance with Claim 1, characterized in that the second fixing device (114) has a dip-in space (142) between the third abutment region (120) and the fourth abutment region (126) into which an element (98a, 98b; 170a, 170b) of the first fixing device (112; 112') with the first abutment region (116; 116') and the second abutment region (124; 124') is able to dip.
3. Floor cleaning machine in accordance with any one of the preceding Claims, characterized in that the first abutment region (112; 112') and/or the second abutment region (116; 116') has at least two partial faces (118b, 118b) spaced at a distance from one another and/or the third abutment region (120) and the fourth abutment region (126) each have two partial faces spaced at a distance from one another.
4. Floor cleaning machine in accordance with any one of the preceding Claims, characterized in that the first abutment region (116; 116') and the third abutment region (120) has an oblique abutment face in relation to a longitudinal direction (26) of the chassis (12), wherein, in particular, a distance between the third abutment region (120) and the fourth abutment region (126) varies in the longitudinal direction (26) of the chassis (12) and, in particular, decreases in the direction from a front end (24) to a rear end (26).
5. Floor cleaning machine in accordance with any one of the preceding Claims, characterized in that the clamping device (144) is configured such that an element (98a, 98b; 170a, 170b) of the first fixing device with the first abutment region (112; 112') and the second abutment region (124; 124') is clampable to an element (64; 122a, 122b) of the second fixing device (114) with the third abutment region (120) and the fourth abutment region (126).
6. Floor cleaning machine in accordance with any one of the preceding Claims, characterized in that the clamping device (144) comprises an eccentric cam by means of which, during a clamping operation and/or during a releasing operation of a clamping, a relative translational movement between the at least one floor processing tool apparatus (166) and the chassis (12) is able to be brought about.
7. Floor cleaning machine in accordance with any one of the preceding Claims, characterized in that the clamping device (144; 164) comprises a rotatable member (146; 158) on which one or more engagement elements (150) are arranged, and in that the clamping device (144) comprises one or more counter elements (154, 154'; 162) for the engagement element or engagement elements (150), wherein (i) the rotatable member (146) is arranged on the first fixing device (112; 112') and the counter element or counter elements (154; 154') is/are arranged on the second fixing device (114), or (ii) the rotatable member (158) is arranged on the second fixing device and the counter element or counter elements (162) is/are arranged on the first fixing device, and in particular in that the at least one engagement element (150) has a recess (152) into which the counter element (154; 154') is bringable, wherein, in particular, the recess (152) is acentric to an axis of rotation (148) of the rotatable member (146), and in particular in that the at least one engagement element (150; 160) has a recess (152) with a first flank (153a) and a second flank (153b), wherein a displacement of the counter element (154) in a first direction is able to be brought about through the effect of the first flank (153a) on a counter element (154) and a displacement of the counter element (154) in a second direction opposite to the first direction is able to be brought about through the effect of the second flank (153b) on a counter element (154), and in particular in that an actuating element is associated with the rotatable member (146).
8. Floor cleaning machine in accordance with any one of the preceding Claims, characterized in that the first fixing device (112; 112') has at least one bar (98a, 98b; 170a, 170b) with a recess (128; 128') that is open on the end face and in that the second fixing device (114) has at least one pin (132) for being accommodated in the recess (128; 128'), wherein, in particular, the pin (132) is bringable into the recess (128; 128') by sliding the at least one bar (98a, 98b; 170a, 170b).
9. Floor cleaning machine in accordance with Claim 8, characterized in that the at least one pin (132) is spaced at a distance from the third abutment region (120) and the fourth abutment region (126) and/or in that the at least one recess (128; 128') on the at least one bar (98a, 98b; 170a, 170b) is spaced at a distance from the first abutment region (116; 116') and the second abutment region (124; 124').
10. Floor cleaning machine in accordance with Claim 8 or 9, characterized in that the at least one pin (132) is arranged on a longitudinal support (122a, 122b) of the chassis (12) and projects toward an opposite side of the chassis (12) or projects outwardly, and in particular in that, when the at least one floor processing tool apparatus is mounted on the chassis, the at least one bar (98a, 98b; 170a, 170b) is positioned between longitudinal supports (122a, 122b) of the chassis (12) or the at least one longitudinal support (122a, 122b) is positioned between bars (98a, 98b; 170a, 170b).
11. Floor cleaning machine in accordance with any one of the preceding Claims, characterized by a set of different floor processing tool apparatuses (166), wherein the set, in particular, has: a sweeping tool apparatus (60), a front power lifting apparatus (168).

Images