DE2924333A1 - Mobile tennis court servicing machine - has varied appliances fitted to tractor supplying controlled movement - Google Patents

Abstract

A self-propelled towing vehicle, and rollers, rakes, brooms or other appliances, are incorporated in a vehicle for maintenance work on squares and courts used for games, esp. tennis courts. The towing vehicle (1) is convertible to accommodate different maintenance operations, the appliances being connectable to it. It provides controlled movement for them. The appliances may be directly and detachably fitted to the vehicle via a swivelling holder (6), or - esp. in the case of a solid roller - coupled on as a towed unit. Suction tools and spreaders can also be towed units. The front wheel (4) of the vehicle may carry a laterally protruding rotating disc which presses the court lines down. This permits play soon after rainfall.

Description

MAINTENANCE VEHICLE FOR PLAY FACILITIES

The innovation concerns a maintenance vehicle for playground facilities, in particular tennis facilities, with a self-propelled towing vehicle and maintenance equipment, such as rollers, rakes, brooms or the like.

Aids such as rollers, hollow rollers or solid rollers, rakes, brooms or the like are to carry out the maintenance and care work on tennis facilities, known per se, especially in the case of outdoor facilities. Outdoor facilities with a sand pad It is well known that they require a lot of care and maintenance. Especially at the beginning of the season, in spring, the place must be worked on thoroughly and the field lines must also be used be laid again. To do this, the ground must first be loosened up and the used sand is removed. Then a new layer of sand has to be sprinkled on again and be rolled down.

The field lines must also be pressed onto the ground after they have been applied and attached.

During the game season, the course must be at least once a day, often even more often, to be groomed. After repeated use, the Flooring loosened with a rake and then rolled down again with the roller.

The areas of the course that are heavily used by playing be leveled with a broom. So that the field lines are clearly visible again, these must be cleaned and swept away.

For a complete and comprehensive care and maintenance of playground facilities, such as tennis facilities are therefore several and with different devices work steps to be carried out necessary. To keep the space for maintenance as short as possible Leaving it unoccupied requires a relatively large amount to carry out all of this work Staff. If no nursing staff is available, the place must be for a longer period of time be shut down and remain unrecorded. In both cases the result is unacceptable high costs that make such a playground system less profitable.

The playing fields can become wet, especially after heavy downpours not be used, as the water from the surface is not so in spite of the drainage can be derived quickly. The sand cover must also have dried out quite a bit until the field is playable again, so that the quality of the flooring is not affected. If the place is played on anyway, the flooring must then be worked up thoroughly and carefully. However, to get through bad It is known to use a rubber roller to avoid large downtimes caused by the weather to use that the water, especially the water in the puddles, in the ground presses in, which should allow the water to quickly get into the drainage pipes. In most cases However, this suffers from the support of the square very.

It has already been suggested that industrial or

Use a vacuum cleaner to dry out the playing fields. Here Although improvements have been made, there are still difficulties with using these water vacuums, as they do not absorb the water thoroughly enough.

In particular, the containers - in such water suction devices only a limited capacity, so that they are particularly suitable for large areas as with large playgrounds that have to be emptied too often.

The task of the innovation is to remedy these difficulties based on performing the maintenance work mechanically supported and thereby reduce the effort required for maintenance. According to the innovation, a maintenance vehicle with a wide range of uses and only one towing vehicle for efficient, cost-effective and largely automatic implementation of the various maintenance and maintenance work such as cleaning, sweeping, rolling, raking, spreading or the like be created for playground facilities with substantial savings in personnel. Preferably should also address the difficulties related to the playability of wet Playing fields at outdoor facilities are solved especially after rainfall.

According to the innovation, this object is achieved in that the towing vehicle can be converted for the various maintenance work and the maintenance devices with can be connected to this, and that the towing vehicle moves the maintenance equipment in a controllable manner.

After the innovation, the maintenance and care can work automatically supported. For this purpose, a single towing vehicle serves as the main drive means, which can be converted for a wide range of uses if necessary.

In particular, there is a high degree of flexibility in the sequence of the maintenance work to be carried out. You can also do the individual maintenance work can be adapted to requirements without having to accept long changeover times are.

The additional separate maintenance devices can be timed can be used independently of each other. Thus, the innovation performs in its overall combination consisting of maintenance vehicle and maintenance equipment make a significant contribution to Rationalization in the maintenance and care of playground facilities, in particular Tennis facilities.

The maintenance devices to be connected and coupled to the towing vehicle can essentially be divided into two groups. The one group of maintenance equipment such as rake, broom, hollow roller, can be swiveled directly on the towing vehicle Attach the holder in a detachable and adjustable manner. The swiveling holder of the towing vehicle enables the maintenance device to be precisely positioned in relation to the Floor area. The depth of intervention of the maintenance device, such as the Rake, adjustable through the height adjustment. Furthermore, the swiveling one enables Holder of the towing vehicle that the maintenance device attached to the holder in the Rest position to the place of use and from the place of use can be swiveled up, so that the maintenance device cannot come into contact with the ground.

The other group of maintenance devices is attached to the towing vehicle attachable trailers formed.

These maintenance devices, which are designed as trailers, are usually carried by themselves a set of tires and the towing vehicle, such as the tractor, are essentially used only as a drive unit. For example, a massive roller or a spreader serve as a trailer. Another type of maintenance device in the form of a trailer is a device for pushing off loosened flooring, which simultaneously removes the Covering loads onto a loading space of the device.

These named individual maintenance devices are known per se.

An essential part of the innovation is a suction device, which is designed as a trailer. Such a suction device comprises at least one turbine driven by a motor-driven generator, which has a flexible Hose line connected to at least one suction nozzle lying on the floor is and a collecting container for the absorbed material with a drain. Such a thing Due to the turbine driven by the generator, the suction device can be a large Have suction power, and in particular can be designed as a trailer The suction device design the collection container so that it has a relatively large capacity to have. These can be sized, for example, so that they have as much water can record that at least a complete playing field can be vacuumed.

To quickly assemble the connections of the suction nozzle and / or turbine the flexible hose line for connection to the suction nozzle and / or the turbine connectors. Furthermore, this ensures that the suction device is also easy to maintain, since if necessary the easily damaged flexible Hose lines can be quickly replaced and exchanged.

In order to prevent the collecting container from being overfilled, it is in the collecting container a float valve is arranged, which the turbine automatically at a given The filling level of the collecting tank switches off. This measure is appropriate, otherwise as the filling level rises, the suction power and suction effect of the suction device decrease, which, however, cannot be determined immediately from the towing vehicle.

The drain is expediently at the bottom of the collecting container of the suction device provided and the bottom is sloping towards the drain ensures that the collection container is easily clogged can be completely emptied so that no residue remains in the collecting container. In order to prevent unintentional emptying of the collecting container, is in the drain a shut-off valve attached.

Preferably, the drain is designed as a drain port on which a Hose piece is attached positively and positively, which is used to close the Drain is bent upwards by at least 90 degrees and can be released in this position is fixed. Such a design of the drain meets with very simple mechanical means the two main requirements placed on the design of the drain are to be placed near the suction device. If namely the force-fitting and form-fitting The hose is bent 90 degrees upwards, can the Do not empty the collection container.

For emptying then only needs the piece of hose from his to be released bent position and then serves as a drain line, so that the Contents of the collection container can be diverted to a remote location without the need for additional hose line interconnections. Thus, with this design of the drain, two functions are limited to expedient and combined in a space-saving manner.

A hose clamp can be used to detachably fix the hose section and / or hose clamps may be provided, which are preferably attached to the collecting container are.

To ensure that the suction nozzle rests securely and evenly on the Ensure floor space, the suction nozzle rests spring-loaded on the floor, The suction nozzle can expediently be attached to a swivel mount on the collecting container be attached, the remote control to the rest position up and to the working position can be swiveled away. This prevents excessive wear on the suction nozzles, if they come into contact with dry soil, for example, if For example, puddles that are only present in places should be vacuumed up. Through this ensures that the suction nozzle of the suction device is targeted at the destination can be used.

A maintenance-friendly and easy interchangeability of the suction nozzles the suction nozzle is preferably on the swivel bracket by means of screws attached. So that the swivel bracket for the suction nozzle is unobstructed can work, it is preferably on the transverse wall facing away from the towing vehicle hinged of the collecting container. Preferably the swivel mount comprises coil springs, which spring-loaded the nozzle at the same time with the holder pivoted away, so that the The suction nozzle is pressed slightly onto the floor surface. One end of the spring can here near the articulation of the swivel bracket on the collecting container and that the other end to be attached to the swivel bracket itself.

This gives favorable lever arms, which are guaranteed can that the suction nozzle over its entire length evenly over rests spring-loaded on the floor.

The suction nozzle of the suction device is preferably in the form of a rectangle formed and its nozzle gap runs parallel to the largest longitudinal extension of the Suction nozzle. The free passage cross section of the nozzle gap tapers from the Conical center to the side. Such a design ensures that the suction nozzle has a relatively large catchment area, and that in particular no corners and the like are present that are prone to constipation.

Since the suction device, which is designed as a trailer, rolls on the floor Has wheels, the suction nozzle is expediently at a distance from that of the towing vehicle facing away from the transverse wall of the collecting container so arranged that its greatest longitudinal extent is aligned approximately parallel to the transverse wall. By such an arrangement are the wheels of the suction device do not interfere with the operation of the suction nozzle to fear.

Depending on the area of use and the conditions of use the suction nozzle can be made of metal or plastic.

A freely rotating roller is preferably included in the nozzle gap smooth outer surface used, which rests directly on the floor. This yourself freely rotating roller serves on the one hand to guide the nozzle on the floor and on the other hand its main task is to transfer the water that has already been sucked up from the ground to the To press surface, whereby the suction effect of the suction device according to the innovation is reinforced. To increase this effect of a freely rotating roller, are preferably two such freely rotating rollers parallel to each other in the nozzle gap arranged while maintaining a distance. This remains free between themselves a sufficient distance from the rotating rollers to soak up the water completely. The roller can be made of metal or plastic.

In order to use the suction device according to the invention as large an area as possible To detect, the suction device preferably comprises two suction nozzles, each with one separate turbine are connected.

The two turbines are each powered by a common generator driven. The greatest longitudinal extensions of the two suction nozzles are preferably located on a straight wall at a distance parallel to the transverse wall facing away from the towing vehicle of the collecting container. Such a design of the suction device with two suction nozzles enables the floor surface to be vacuumed over the entire width of the suction device can be.

The suction device is mainly intended for suctioning water, however it can of course also be used to vacuum other objects.

In order to also carry out the maintenance work when laying the field lines by machine to be able to carry out supported and thereby to simplify, can be done on the front wheel of the vehicle a laterally protruding rotating disc are attached, the depresses the field lines of the playing field and pushes them into the ground. This rotating Disc can be connected to the front axle of the towing vehicle so that it can be steered here together with the countries on the front axle. This allows the rotating Disc are guided exactly along the field lines.

To clean the field lines, a laterally protruding rotating brush are attached, with which the field lines be turned away.

To avoid rapid wear and tear and damage to the rotating To avoid disc and / or the rotating brush, these are preferably resilient stored.

The innovation is described below with reference to the attached Drawing explained in more detail using examples. It shows: FIG. 1 a perspective Overall view of a towing vehicle with a pivotable holder, FIG. 2a the pivotable one Holder with a mark attached to it as a maintenance device, FIG. 2b a broom 1 as a maintenance device on the pivotable holder of the maintenance vehicle according to figure 1 can be attached, Figure 2c a rubber roller, which is also can be attached to the pivotable holder of the towing vehicle according to Figure 1, FIG. 3 a shows a massive roller which is attached to the towing vehicle according to FIG. 1 as a maintenance device can be coupled, FIG. 3b shows a device designed as a trailer for pushing off loosened floor covering, which can also be coupled to the towing vehicle according to FIG is, Figure 3c is a spreader that is used as a maintenance device on the towing vehicle according to FIG 1 can be coupled, Figure 4 is a perspective overall view of a trailer trained suction device that can be coupled to the towing vehicle according to Figure 1, FIG. 5a shows an enlarged perspective overall view of an individual suction nozzle of the suction device according to FIG. 4, FIG. 5b shows a view from below of the suction nozzle according to FIG 5a, FIG. 5c, a further embodiment of a suction nozzle in a view from below, FIG 5d shows a preferred embodiment of a suction nozzle in a view from below, FIG. 6 schematically a rotating disc that acts as a maintenance device with the front axle of the figure 1 shown towing vehicle can be connected, and Figure 7 schematically a rotating brush that can be connected to the front axle of the towing vehicle according to FIG is.

In Figure 1 is a separate perspective overall view Self-propelled towing vehicle 1 of a maintenance vehicle for playground facilities shown. The chassis of the towing vehicle 1 has a front axle 2 and a rear axle 3 on. The front axle 2 carries front wheels 4, only one of which is shown, and the rear axle 3 rear wheels 5, 5. At the rear of the chassis is a total with 6 designated pivotable holder 6 mounted. This holder 6 consists in essentially of a box-shaped base frame 7, on the end face 8 in a certain distance two recordings 9.9 are attached. With 10.10 are fastening screws referred to in a threaded opening in the respective receptacle 9.9 are used. The holder 6 can be pivoted about a horizontal axis 11. A generally designated 12 pivot mechanism comprises a handle 13 which is attached to a pivot lever 14 is attached, which via a locking device 15 with the pivot axis is connected. The locking device 15 is designed in such a way that that the holder 6 is located in several preferably at regular angular intervals Pivoting positions can be locked. In this way, the holder 6 in almost any desired pivot position can be set so that it is under one a certain angle to the bottom surface 16 is inclined.

According to Figure 2a, a rake 17 is releasable on the pivotable holder 6 in Figure 1 attached.

The rake 17 carries two spars 18 and 19 on its upper side, which are preferably are made of a material with a rectangular cross-section.

The spars 18,19 are on the top of the rake 17 at a distance attached, which corresponds approximately to the distance between the receptacles 9, 9 on the holder 6. the Spars 18,19 are pushed into the receptacles 9,9 of the holder 6 and can then be set by means of the fastening screws 10,10 if the fastening screws 10, 10 after the introduction of the spars 18, 19, for example with the aid of a wrench be attracted.

To remove the rake 17 you only need these fastening screws 10.10 of the recordings 9.9 of the holder 6 to be released and the rake can of the Holder 6 can be removed.

In FIG. 2 b, a further one can be connected to the holder 6 according to FIG. 1 Maintenance device shown that in this embodiment is formed by a broom 20 will. The broom 20, like the rake 17, has two bars 21, 22 on its upper side, which can be inserted into the receptacle 9.9 of the holder 6 and in a corresponding manner Height can be fixed by means of the fastening screws 10.10 in the receptacles 9.9.

In Figure 2c, for example, a total of a further maintenance device indicated at 23 rubber roller shown. This also carries like the other two maintenance devices According to Figures 2 a and 2 b on their top at a distance two spars 24, 25, the for insertion into the receptacle 9.9 of the pivotable holder 6 on the towing vehicle 1 Figure 1 are determined.

While maintenance devices are shown by way of example in FIGS. 2 a to 2 c are attached to the towing vehicle 1 directly via the pivotable holder 6 are, are shown based on Figures 3 a to 3 c maintenance devices as a trailers which can be coupled to the towing vehicle 1 according to FIG. 1 are formed.

In Figure 3 a, a massive roller is designated as a whole by 26, which can be coupled to the towing vehicle 1 by means of a coupling rod 27.

The coupling rod 27 is with a roller axis 28 encompassing Frame 29 connected to which a seat 30 is attached. The one at the free end of the coupling rod The opening provided in 27 comprises a receiving bolt of a not shown in FIG Coupling of the towing vehicle 1, which is provided on the rear of the towing vehicle 1 is.

Figure 3 b shows another service device designed as a trailer, which is designated as a whole by 32. This device 32 is used to push off loosened Floor covering that can be loaded into a loading space 33 of the device 32 at the same time can.

The chassis 34 of the device 32 is designed uniaxially, and the Wheels 35 protrude laterally over the cargo space 33. The chassis 34 is designed in such a way that it forms props 36,36 on the floor sit on when the device 32 is not needed. With the chassis is a coupling rod 37 attached, which has an opening 38 at its free end, with which it is attached to the towing vehicle 1 can be coupled to its coupling.

In Figure 3c, a spreader 39 is shown. A grit distributor drum 41 is attached to a chassis 42 which is supported on the ground via wheels 43, 43 is. The lens arrangement is designated by 44. On the filling side of the spreader drum 41 a sand sieve 40 is attached. The spreading disc arrangement 44 is via a cardan shaft connection 45 can be driven by the towing vehicle 1. On the chassis 42 of the spreader 39 is how in the embodiments according to FIGS. 3 a and 3 b, a coupling rod 46 is welded on, which has an opening 47 at its free end that connects to the coupling of the towing vehicle 1 cooperates.

Based on Figures 4 and 5 a to 5 b, an embodiment of a trained as a trailer suction device 50 explained. The suction device 50 has a chassis 51 which is supported on the ground via wheels 52,52. The coupling rod 53 is designed here as a triangular fork, at the tip of which an opening 54 is provided that cooperates with the coupling of the towing vehicle 1. On the chassis A sump 55 and a motor-driven generator 56 are mounted. In the Altogether with 55 designated collecting container two turbines 57,58 are used. The turbines 57, 58 are connected to suction nozzles 61, 62 via hose lines 59, 60, The flexible hose lines 59, 60 point towards the connection to the suction nozzle 61, 62 and / or the turbine 57,58 plug connections 63,64. Although not shown in detail is, a float valve can be arranged in the collecting container 55, which the Turbine 57, 58 automatically at a predetermined fill level of the collecting container 55 turns off. On the bottom side of the collecting container 55 is an indulgence 65 provided. The bottom 66 of the collecting container 55 extends in the direction of the Drain 65 sloping inclined, so that the liquid in the collecting container 55 flows in the direction of the drain 65 due to gravity.

In an embodiment not shown, a can in the drain Shut-off valve must be attached. In the embodiment of the suction device 50 according to FIG. 4, the outlet 65 is designed as an outlet connection 67 onto which a piece of tubing is attached 68 is attached positively and positively. To close the outlet 65 can the hose piece 68 can be bent upwards by at least 90 degrees. In this The hose section 68 is shown in FIG. 4 in a position bent upwards by 90 degrees. The hose piece 68 is in this position by means of hose clamps 69 and / or Hose clamps 70 releasably set on the collecting container 55 on the outer surface are attached. When the collection container 55 is to be emptied, the hose clamps are 69 and the hose clamps 70 loosened, the hose section 68 is pivoted downwards, so that the predominantly liquid material located in the collecting container 55 over the drain 65 can flow off.

The suction nozzles 61, 62 are preferably spring-loaded on the floor 71 on. For this purpose, each suction nozzle 61, 62 is on a swivel mount 72, 73 on the collecting container 55 attached, which can be remotely controlled up to the rest position and to the working position can be swiveled away. The suction nozzles 61, 62 can be detached from the swivel bracket by means of screws 74 72.73 attached.

The pivot brackets 72,73 for the suction nozzles 61, 62 are on the from the towing vehicle 1 (see Figure 1) remote wall 75 of the collecting container 55 hinged. The pivot brackets 72,73 comprise spars 76,77, which are preferably are made of round material with a hollow profile. On these spars 76,77 are rod-shaped Spring retaining elements 78,79 attached. Between the transverse wall 75 of the collecting container 55 of the suction device 50 and the rod-shaped spring holding elements 78, 79 are coil springs 80.81 arranged. In each case one end of the coil springs 80, 81 is on the transverse wall 75 of the collecting container 55 and the other end of the coil springs 80,81 on one of the rod-shaped spring holding elements 78, 79. With the swivel bracket 72 A Bowden cable 82 is connected, with which the swivel bracket 72, 73 can be operated remotely can be swiveled into the rest position or working position.

In Figure S a, a suction nozzle 61 is separate on an enlarged scale shown. In Figure 5b, this suction nozzle 61 is shown in a view from below. the Suction nozzle 61 is elongated in the shape of a rectangle and its nozzle gap 83 runs parallel to the greatest longitudinal extent of the suction nozzle 61.

As can best be seen in Figure 5b, the free tapers The passage cross section 84 of the nozzle gap 83 is conical from the center to the side. As shown in Figure 4, are two suction nozzles 61,62 at a distance on that of the towing vehicle 1 (see Figure 1) facing away transverse wall 75 of the collecting container 55 arranged in such a way that their greatest longitudinal extensions are aligned approximately parallel to the transverse wall 75. The two suction nozzles 61, 62 can thus cover almost the entire length of the transverse wall 75 of the collecting container 55 on the floor 71. at the embodiment the suction nozzles 61,62 according to Figures 4, 5 a and 5 b, the suction nozzle runs on two Support rollers 85, which roll directly on the floor 71. The suction nozzles 61,62 can be made of metal or plastic.

In Figure 5c is a further embodiment of a suction nozzle as a whole denoted by 86 In this embodiment the suction nozzle 86 is in the nozzle gap 87 a freely rotating roller 88 is used. Dfe freely rotating roller 88 has a smooth outer surface 89 which rests directly on the floor 71 in FIG 5 d is a further embodiment of a suction nozzle designated as a whole by 90 shown. In the nozzle gap 91 of this suction nozzle 90 are two freely rotating rollers 92.93 used parallel to one another while maintaining a certain distance. At this Embodiment, the free passage cross section of the nozzle gap 91 is enlarged will. The freely rotating rollers used with suction nozzles 86 and 90 88,92 and -93 can be made of metal or plastic. This is free rotating rollers 88, 92 and 93 have on the one hand the task of the suction nozzle 61,62, 86 or 90 on the floor 71 to lead.

Since the suction nozzles 61,62, 86 or 90 with the help of the coil springs 80,81 of the swivel bracket 72, 73 spring-loaded in its working position on the Floor 71 rest, they press the floor 71 on its surface slightly and thus squeeze the water out of the surface, which then flows into the respective Nozzle gap 83, 87 or 91 with the help of the suction force supplied by the turbine 57, 58 sucked in will. The liquid sucked off with the nozzles then passes through the hose lines 59.60 in the collecting container 55.

In FIGS. 6 and 7, there are two further maintenance devices 94 and 95 shown. The maintenance device 94 according to FIG. 6 has one on the front wheel 4 of the towing vehicle 1 laterally protruding rotating disk 96, which is used for pressing down and pressing the field lines of the playing field is determined. The rotating disk 96 can with the front axle 4 (Figure 1) of the towing vehicle 1 be connected. In the embodiment of the maintenance device 95 according to FIG. 7, there is a brush 97 on the front wheel 4 of the towing vehicle 1 laterally over, which is intended to sweep away the field lines.

The rotating disc 96 (FIG. 6? Or the rotating brush 97 (Figure 7) can be resiliently mounted, which is not shown in detail. Since the rotating disc 96 or the brush 97 with the front axle 4 of the towing vehicle 1 is connected, the disc 96 or the brush 97 can be exactly on the relative place narrow field lines and they will be in sync with the steered front wheels 4 of the towing vehicle 1 out. This also allows the sharp corners of edit the field lines with the help of the maintenance devices 94.95.

Parts list Reference number Designation 1 Towing vehicle 2 Front axle 3 Rear axle 4 front wheel 5 rear wheel 6 holder swiveling, a total of 7 box-shaped Base frame 8 front side 9 mounting 10 fastening screw 11 axis 12 swivel mechanism 13 Handle 14 Swivel lever 15 Locking device 16 Floor surface 17 Rake 18 Handle 19 handle (from rake 17) 20 broom 21 handle 22 handle (from broom 20) 23 rubber roller 24 spar 25 spar (from rubber roller 23) 26 solid roller 27 coupling rod 28 roller axle 29 frame 30 seat Reference number Designation 31 Opening 32 Device For pushing off loosened flooring 33 Load space 34 Chassis 35 Wheels 36 Supports 37 Coupling rod 38 Opening 39 Spreader 40 Sand see 41 Grit distributor drum 42 Chassis 43 Wheels 44 Spreading disc arrangement 45 Cardan shaft connection 46 Coupling rod 47 Opening 50 Suction unit 51 Chassis 52 Wheels 53 Coupling rod 54 Opening 55 Collection tank 56 Generator 57 Turbine 58 Turbine 59 Hose line 60 Hose line 61 Suction nozzle 62 Suction nozzle 63 Plug connection 64 Plug connection Blank page

Claims (33)

Protection claims maintenance vehicle for playground facilities, in particular Tennis facilities, 'with a self-propelled towing vehicle and maintenance equipment, such as Rollers, rakes, brooms or the like, characterized in that the towing vehicle (1) can be converted for the various maintenance work and the Service devices (17, 20, 23, 26, 32, 39, 50, 94, 95) can be connected to this and that the The towing vehicle (1) moves the maintenance devices (17, 20, 23, 32, 39, 50, 94, 95) in a controllable manner. 2. Maintenance vehicle according to claim 1, characterized in that g ek e n n z e i c h n e t that the maintenance devices (17,20,23) such as rake, broom, hollow roller, directly are detachably attached to the towing vehicle (1) via a pivotable holder (6) 3. Maintenance vehicle according to claim 1, characterized in that the Maintenance device (26, 32, 39, 50, 94, 95) as a trailer that can be coupled to the towing vehicle (1) is trained. 4. Maintenance vehicle according to claim 3, characterized in that g e -k e n n z e i c Note that the trailer is a massive roller (26). 5. Maintenance vehicle according to claim 3, characterized in that g e -k e n n z e i c n e t that the trailer is a spreader (39). 6. Maintenance vehicle according to claim 3, characterized in that g e -k e n n z e i c n e t that the trailer has a device (32) for pushing off loosened floor covering is that the deposited covering at the same time on a loading space (33) of the device (32) loads. 7. Maintenance vehicle according to claim 3, characterized in that g e -k e n n z e i c It does not mean that the trailer is a suction device (50). 8. Maintenance vehicle according to claim 7, characterized in that g e -k e n n z e i c Note that the suction device (50) is at least one of a motor-driven generator (56) driven turbine (57,58), which via a flexible hose line (59,60) connected to at least one suction nozzle (61,62,86,90) resting on the floor (71) and a collecting container (55) for the absorbed material with an outlet (65) includes. 9. Maintenance vehicle according to claim 8, characterized in that g e -k e n n z e i c h ne t that the flexible hose line (59,60) for connection to the suction nozzle (61,62,86,90) and / or the turbine (57,58) has plug connections (63,64). 10. Maintenance vehicle according to claim 8 or 9, characterized in that g e k e n n z e i c h n e t that a float valve is arranged in the collecting container (55) which the turbine (57,58) automatically at a given filling level of the collecting container (55) switches off. 11. Maintenance vehicle according to one of claims 8 to 10, characterized in that g It is not noted that the drain (65) at the bottom (66) of the collecting container (55) is provided, and that the bottom (66) of the collecting container (55) in the direction on the drain (65) sloping inclined. 12. Maintenance vehicle according to one of claims 8 to 11, characterized in that g It is not noted that a shut-off valve is fitted in the outlet (65). 13. Maintenance vehicle according to one of claims 8 to 11, characterized in that g It is evident that the drain (65) is designed as a drain nozzle (67) is, onto which a piece of hose (68) is attached in a non-positive and positive manner, the is bent upwards by at least 900 to close the outlet (65) and is releasably fixed in this position. 14. Maintenance vehicle according to claim 13, characterized in that it ek e n n z e i c h n e t that a hose clamp is used to detachably fix the hose section (68) (69) and / or clamp (70) is provided. 15. Maintenance vehicle according to claim 14, characterized in that it ek e n n z e i c n e t that the hose clamp (69) and / or clamp (70) on the collecting container (55) are appropriate. 16. Maintenance vehicle according to one of claims 8 to 15, characterized in that g It is not noted that the suction nozzle (61,62,86,90) is spring-loaded on the Floor (71) rests. 17. Maintenance vehicle according to one of claims 8 to 16, characterized in that g It is not noted that the suction nozzle (61,62,86,90) is attached to a swivel bracket (72,73) is attached to the collecting container (55), which can be remotely controlled (82) to the rest position can be swiveled up and down to the working position. 18. Maintenance vehicle according to claim 17, characterized in that g ek e n n z e i c n e t that the suction nozzle (61, 62, 86, 90) on the swivel bracket <72, 73) means Screws (74) is attached. 19. Maintenance vehicle according to claim 17 and 18, characterized g e k e n n notices that the swivel bracket (72, 73) for the suction nozzle (61, 62, 86, 90) hinged to the transverse wall (75) of the collecting container (55) facing away from the towing vehicle (1) is. 20. Maintenance vehicle according to claim 17 and 18, characterized in that k e n n z ei c h n e t that the pivot bracket (72,73) comprises coil springs (80,81) which Spring-load the nozzle (61,62,86,90) at the same time with the holder swiveled away. 21. Maintenance vehicle according to claim 19 and 21, characterized g e k e n n show that one end of the springs (80, 81) is in the vicinity of the articulation of the swivel bracket (72,73) on the collecting container (55) and the other end on the swivel bracket (72, 73) is attached itself. 22. Maintenance vehicle according to one of claims 8 to 21, characterized in that g It is not noted that the suction nozzle (61,62,86,90) is elongated in the form of a Rectangle is formed and parallel to greatest longitudinal extension the suction nozzle is its nozzle gap (83,87,91), whose free passage cross-section (84) tapers conically from the center to the side. 23. Maintenance vehicle according to one of claims 16 to 22, # characterized it is not noted that the suction nozzle (61,62,86,90) is at a distance the transverse wall (75) of the collecting container (55) facing away from the towing vehicle (1) in this way is arranged that its greatest longitudinal extent is approximately parallel to the transverse wall (75) is aligned. 24. Maintenance vehicle according to one of claims 8 to 23, characterized in that g It is not noted that the suction nozzle (61,62,86,90) is made of metal or plastic is made. 25. Maintenance vehicle according to one of claims 22 to 24, characterized in that g It is not noted that in the nozzle gap (83,87,91) a freely rotating Roller (88,92,93) with a smooth outer surface (89) is used, which is directly on the bottom (71) rests (Figure 5c). 26. Maintenance vehicle according to claim 22 or 24, characterized g e k e n n it is clear that in the nozzle gap (91) two freely rotating rollers (92, 93) are parallel are arranged to each other while maintaining a distance (Figure 5 d). 27. Maintenance vehicle according to claim 25 or 26, characterized g e k e n n shows that the roller (88, 92, 93) is made of metal or plastic. 28. Maintenance vehicle according to one of claims 8 to 27, characterized in that g It is not noted that the suction device (56) has two suction nozzles (61, 62, 86, 90) includes, each of which is connected to a separate turbine (57,58) that the both turbines (57,58) are driven by a common generator (56), and that the greatest longitudinal extent of the two suction nozzles (61,62,86,90) is approximately a straight line at a distance parallel to the transverse wall facing away from the towing vehicle (1) (65) of the collecting container (55) are (Figure 4). 29. Maintenance vehicle according to one of claims 7 to 28, characterized in that g It is not noted that the suction device (50) is mainly used for suctioning off water is determined. 30. Maintenance vehicle according to one of claims 1 to 3, characterized g e It is not possible to say that on the front wheel (4) of the towing vehicle (1) there is one on the side protruding rotating disk (96) is attached, which the field lines of the field depressed (Figure 6) 31. Maintenance vehicle according to claim 30, characterized in that the ek e n n z e i c h n e t that the rotating disc (96) with the front axle (2) of the towing vehicle (1) is connected. 32. Maintenance vehicle according to one of claims 1 to 3, characterized g e It is not possible to say that on the front wheel (4) of the towing vehicle (1) there is one on the side protruding rotating brush (97) for sweeping the field lines is attached (Fig 7). 33. Maintenance vehicle according to one of claims 30 to 32, characterized in that g It is not noted that the rotating disc (96) or the rotating brush (97) is resiliently mounted.