DE2628548A1 - DEVICE FOR THE RESTORATION AND IMPROVEMENT OF DAMAGED LAWN SCARS - Google Patents

Description

Patent attorneys Dipl.-lng. C u rt Wallach

• jl · Dipl.-lng. Günther Koch

Dipl.-Phys. Dr Tino Haibach

2628548 Dipl.-Ing. Rainer Feldkamp

D-8000 Munich 2 Kaufingerstraße 8 Telephone (0 89) 24 02 75 Telex 5 29 513 wakai d

Date: June 25, 1976

Our reference: 15 564 - K / Ap

Wolf-Geräte GmbH, Gregor-Wolf-Straße, 5240 Betzdorf / Sieg

Device for restoring and improving damaged turf

The subject of the main patent (patent application P 26 08 074.0) is a method and a device for restoration and improvement of damaged turf, in particular of turf sports fields, in the area of the damaged turf high-performance, step-tolerant, tillering-intensive and accordingly regenerative cultivated lawn grasses point by point can be introduced into pre-drilled plant holes at a specified distance. Looks for the creation of the planting holes the main patent for a fully automatic device, in which on a chassis with interval drive in one or a multi-row arrangement drilling or punching tools are provided, which are acted upon by mechanical pressure devices Drill or punch holes in the grass base. This device can also be used for fully automatic plant tubes with pre-grown single plants can be pushed into the plant looser by means of a pressure ram. By means of such a device, which can be controlled automatically or manually, can be targeted point by point in a relatively short time Plant plants in the damaged sward and it has been shown that within four to six weeks on this

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Way, the remaining scar can be brought back to full closure can, while at the same time the resistance of the scar to mechanical stress is a significant improvement learns.

The present invention relates to a further development of the drilling and planting device characterized in the main patent. Based on this device according to the main patent, the invention is based on the object of the field of application of the device to expand and improve and further automate their puncture.

According to the invention, means are provided in the device, which in the drilled holes either plants and / or soil-improving Fill in materials. The invention is accordingly based on the knowledge that the modular structure of the Planting machine according to the main patent which allows extended use as a coring machine. This way you can drill into the pre-drilled Holes are filled with sand, peat and fertilizer mixtures. The filling can be done via tubes, like they are used in the device according to the main patent for planting plants. It's just the ones filled with plants Replacing tubes with tubes with different fillings, but the workflow remains the same.

A simpler and more economical way of working results, however, if the holes pre-drilled in this way are filled with bulk material The bulk material can be pressed into the holes by a bulk material box and dosing chambers.

Further refinements of the planting machine designed according to the invention as well as the coring and filling machine result from the subclaims. Exemplary embodiments of the invention are described below with reference to the drawing. In

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the drawing show:

Fig. 1 is a side view of a planting and feeding machine in a structure corresponding to FIG. 8 of the main patent;

Figure 2 is a front view of the machine of Figure 1;

Fig. 3 is a plan view of the magazine for the empty Filling tubes;

Figure h is a top plan view of the magazine of full tubes; 5 shows a sectional view of a loading tube;

6 shows a side view corresponding to FIG. 1 of a modified embodiment of the device;

FIG. 7 shows a front view of the device according to FIG. 6;

8 shows a view of the empty container corresponding to FIG. 3;

Fig. 9 shows a detail of the gear mechanism;

10 shows, on a larger scale, the drilling and ejecting unit of the device according to FIG. 6;

11 shows, on a larger scale, a view of the drilling and ejecting unit of the device according to FIG. 1;

FIG. 12 shows a section along the line E-F according to FIG. 10; FIG. 13 shows a section along the line A-B according to FIG. 11;

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ir f °

14 shows a section along the line C-D according to FIG. 11;

Fig. 15

up to 18 different interval possibilities of the machine according to FIG. 6;

Fig. 19

to 22 different interval possibilities of the machine according to Figure Ij

23 shows a side view corresponding to FIGS. 1 and 6 of a further embodiment of the device;

24 shows a schematic cross-sectional view of the device according to FIG. 23 in the area of the metering chambers;

25 shows a schematic cross-sectional view in the area of the drilling units;

26 shows a detailed view of the control slide of the metering chambers;

Fig. 27 is a partial view of the vibration damper assembly.

In the drawing, parts of the various embodiments that correspond to one another are provided with the same reference symbols. In order to ensure fully automatic operation, servomotors are provided to carry out the necessary movement sequences. The motor 1 effects the step-by-step feed. The motor 2 rotates the drilling spindle. The gear motor 3 is used to drive the conveyor. A piston drive 4 causes an axial displacement of the drilling spindle. In the device according to FIG. 1, a further piston drive 5 effects the ejection of the plants into the pre-drilled holes. For the

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Rotary drive servomotors or stepper motors come into consideration, while the lifting and pushing movement with pneumatic or Hydraulic piston drives or »designed with linear motors will.

The device has a control panel 6 on a machine frame 7. The control panel 6 is by means of a corresponding coding device 8 programmable. However, each work step can also be called up manually using the manual switch 9.

The machine frame 7 is covered by a bracket 10 which carries the drilling units. The filled Plant tubes 11 are brought up to the planting site 12 and the emptied tubes IJ are automatically placed in an empty magazine 14 funded.

The planting machine according to the embodiment according to FIGS. 1 and 2 corresponds to the planting machine according to FIG. 8 of the main patent. Here a hole 15 is first drilled by means of a drill and after the drilling has been carried out, the machine is moved around the distance a advanced. This distance corresponds to the center distance between the drilling unit and the ejection unit. The ram 16 of the ejection unit presses the plant 18 into the pre-drilled plant hole.

In the exemplary embodiment according to FIGS. 6 and 7, this is done Drilling and ejecting with the same unit. Here, after drilling, the drilling spindle 19 is stopped and the drill 20 is moved beyond the interval transport wheel 21 so that the drill head in the same axis over the borehole 12 the brought plant 23 can press. This device according to In contrast to the machine according to FIGS. 1 and 2, FIGS. 6 and 7 do not require a preprogram and it is both a forward mode as well as reverse operation possible.

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In all the exemplary embodiments, four wheels 24 mounted in the machine frame 7, which are driven by the feed motor, serve as the chassis 7 are gradually driven. To transmit torque from the engine 1 to the wheels 24 are according to the embodiment Worm gear 25 is provided. There is also a coupling (not shown).

In operation, the motor 1 works as a stepping motor and moves forward step by step by the distance a, which in the embodiment according to FIGS. 1 and 2 is exactly the center distance between Drill 20 and plunger 26 corresponds. In the machine according to FIGS. 6 and 7, a is a variably adjustable dimension.

The control commands to the various drive motors can be manually operated by the operator 26 using the switches 9 or can be entered via a control program 8.

In order to bring the machine into the working position, a guide bar 27 protruding to the front must be lifted to the rear Maneuvering wheel 28 mounted in the machine frame carries the total weight of the machine and the wheels 24 are relieved. Now can the machine can be turned and maneuvered »

As can be seen from FIGS. 2 and 7, the device according to the exemplary embodiment has 5 working units next to one another so that each five rows of holes can be mechanically charged. To make it easier to move the machine vertically to the planting direction in order to be able to make a working width, an additional chassis with four can be offset by 90 °, simultaneously driven wheels can be provided for sideways movement (not shown in the drawing). Instead of this the wheels could also be designed to be steerable »

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The motor 2 of the drill is with the extendable piston of the piston drive 4, which is suspended from the retaining bracket 10 via a pivot pin 29. This pivot bearing facilitates changing and maintaining the drill 20. The drill 20 has a drill head 22 and a drill shaft 30, the can be clamped in a drill chuck 31. In the vicinity of the drill head is the Shank mounted in a guide bushing 32, which is in a lower chord support 33 of the machine frame 7 is supported and is secured by means of clamping brackets 34 in the axial and radial directions. The clamping bracket 34 is laterally supported by a fastening pin 35 stored and is secured by a quick-release fastener 36. The radial and axial forces occurring during the drilling process are transmitted via the pivot pin 19 and the claws that support it

37 transferred to the retaining bracket.

The feeding of the plant tubes 11 from a collecting platform

38 to the planting point 12 up to the empty magazine 14 takes place by a transport system which will be described in detail below.

The plant tubes filled with are placed on the collecting platform 11 equipped magazine boxes, which correspond to the empty magazine box 14, put on and emptied. The lid of the Box, which is firmly connected to a side wall, to the top removed. The plant tubes 11 slide perpendicular to the platform 38 against a conveyor belt 39 located at the lower discharge end » which is stabilized by a support board 40 attached to the rear. The moving endless conveyor belt 39 pushes the plant tube

41 against an infeed roller 42 arranged laterally at the discharge end. From here the tube reaches the inlet end a feeder hose 43 leading downwards

42 and feeder hoses 43 are the same number at the discharge end the collecting platform 38 is provided, such as drilling spindles or interval transport wheels 21.

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band 39 and the dividing effect of the run-up rollers prevents the plant tubes from bridging. By the feeder hose 43 reach the plant tubes 11, 41 under gravity in the interval transport wheel 21, which is from Conveyor motor 3 is driven via a worm gear 44.

The operation of the interval transport wheel 21 is described below in connection with FIGS. This transport wheel 21 has the task of rotating the plant tube delivered via the feeder hose 43 into the To transfer transport channel.

In the machine according to FIGS. 1 and 2, the transport wheel has a drive shaft 45 (FIG. 11) and the transport wheel consists of an upper disk 46 and a lower disk 47, between which a deflection tongue 48 is arranged. the The functional form of the transport disks corresponds to the representations according to FIGS. 19 to 22. In the input position 49 (FIG. 13 and 14) the plant tube 11 is slightly above the upper edge of the transport disk 46. When the disks 46 are rotated, the next following tube slides behind. The plant tube is rotated into the planting position 50 via the transport discs. As can be seen from FIG. 13, the transport disks 46, 47 can have individual guide rollers 51 which are rotatable are supported by upper and lower retaining plates 52. By this roller arrangement, the friction within the interval wheel housing 53 is greatly reduced. A detent spring 54 (Fig. 14) fixes the tube to be planted exactly above the planting site 50, so that the pestle 16 the plant in the pre-drilled Can press the planting hole. At the next interval step the empty plant tube is pushed into the transport channel 65 along the deflection tongue 48.

The operation of the device according to Figures 6 and 7 is

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is described below with reference to FIGS. 10 and 12. The torque is introduced by a spur gear 55 * the working intervals according to its top holes for the entrance of the plant tubes 11 and those for the Includes drill pusher 22/16. Figures 15 to 18 show different interval possibilities of this device.

The transport wheel here forms a stationary unit with the drive spur wheel 55 and an upper disk 56 and one lower disk 57 * each sitting on a quick-release axle. Enters the interval housing when the plant tube enters the plant tube first on the entrance level 60 of the housing base. When turning the tube 16 to the planting site 61 the movement takes place over an inclined plane 62 to the starting plane 63 * whereby the plant tube under the back of the Drive spur gear 55 arrives and from there unimpeded at the next transport interval along the deflection tongue 48 in the Transport channel 65 is promoted. This is attached to the machine frame. When continuously pushing in empty tubes the magazine 14 fills up evenly with empties, the empty tubes remaining upright and the magazine up to a limit switch that stops the machine or delivers a signal that indicates that the magazine is closed replace is.

The output 66 of the transport channel 65 is locked by a spring clip so that the empty tubes fall out when Pulling out the magazine is prevented. The magazine filled with empty tubes can be closed with a lid and ready for refilling.

The machines shown in the drawing have been described in their function as planting machines. These planters however, they can also be used to remove the drilled

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To fill holes with soil-improving materials, e.g. with sand, peat and fertilizer mixtures. Changes at the puncture nothing. Only in this case magazines with tubes are used that are not filled with plants, but appropriate materials. A large number of holes should be filled with soil improver materials instead of plants it is advisable to fill the holes with bulk material instead of using plant tubes. To this end can the machine according to Figure 1 or Figure 6 can be modified in the manner shown in Figure 23 to 27, with a conversion of the Machine is possible to use it either for planting and for filling holes with bulk material. In the basic structure the machine according to FIGS. 23 to 27 corresponds to the machines according to FIG Figures 1 and 6. For this reason, the parts already described with reference to these figures do not need to be explained again will.

Instead of the push-in ram 16 in the machine according to FIG. 1, a metering chamber 146 is provided at this point according to FIG. The front wall 141 and the rear wall 142 converge in the lower part like a funnel and form a radius at their connection point which corresponds to the screw conveyor 144 arranged there with a horizontal axis. This screw conveyor has the task of pushing the bulk material 145 located in the bulk material box l4o into the metering chambers 146. The shaft 147 of the screw conveyor 144 is supported on both sides in the bulk material box 140 by bearings 148. The torque required to rotate the worm 144 is introduced by the motor 3 via a V-belt 161.

Screw elements are placed on the shaft 147 of the screw conveyor 144 attached so that in each case next to the inlet opening 149

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a left-hand and a right-hand screw element I50 and I5I are located to the dosing chamber 146. The dosing chamber 146 has an entrance opening at the top and an exit opening at the bottom 152, which are opened by separate control spools 155 and 154 and can be closed. The volume of the metering chamber 146 corresponds to the volume of the drilled hole 12, which should be filled. The shape of the chamber corresponds to a truncated cone, which has the larger diameter at the exit opening I52 has. The conical shape of the chamber is supposed to make a plague stick wet material can be prevented.

The control of the slide 155 * 154 and the screw conveyor can be done again by hand or by a program control. Care must be taken to ensure that the inlet opening 149 and outlet port I52 are never open at the same time to a To prevent the filling material 145 from flowing out.

The distance between the drill axis 20 and the metering chamber axis 46 in turn corresponds to the feed dimension a, which changes as a result can be that the touchdown points 155 of the bulk material box 14O are adjusted. This shift of the bulk crate Ι4θ can be steplessly adjusted using a hand crank I56 Lead screw are effected. Another possibility is to make a step adjustment, the Box is raised to intervene in predetermined locking points. Before moving the bulk goods box Ι4θ is this To solve connecting element 157.

To bridge the bulk material 145 in the bulk box To avoid Ι4θ, a vibrator can be placed on the outer wall of the box will. The steeply inclined rear wall 142 then acts as a shaking chute, so that wet bulk material can also reach the screw conveyor 144 can reach. The contact points I55 are equipped with oscillating or damping members according to FIG disruptive transmission of vibrations to the boring and chassis

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be avoided.

To clean the drilling field, the filling station can have a Sweeper I58 must be connected downstream. This can use a dustpan I59 to put the soil material in separate containers 16O, whereby a suitably designed sensor switches the machine off or on when the box is full Signal. If the remaining soil is to be evenly distributed, the container I60 can be removed, and the roller brush I58 ensures even distribution.

Claims

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Claims (29)

PATENT CLAIMS 1. Device for restoring and improving damaged turf, especially on turf sports fields, where drilling or punching tools are provided on a chassis with interval drive in a single or multiple row working arrangement, which are acted upon by mechanical pressure devices, or drill holes in the turf base layer punch according to claim 18 of the main patent (patent application P 26 08 O74.O), characterized in that means are provided which are drilled into the Fill holes optionally with plants and / or soil-improving materials. 2. Device according to claim 1,
characterized in that tubes with soil-improving materials are brought in via a fully automatic transport device, which tubes are pushed through the tubes into the planting holes by means of a pressure ram. 3. Device according to claim 1,
characterized in that the soil-improving material can be pushed into the pre-drilled holes from a bulk material box (14O) via metering chambers (146). 4. Device according to claims 1 and 2, characterized in that that in the interval distance (a) behind the drilling device (20) the extension device (16) is arranged (Fig. and 2). 709881/018? 5. Device according to claims 1 and 2, characterized in that that the drilling spindle (I9) acts as an ejector (Pig. 6 and 7). 6. Device according to claims 1 and 2, as well as 4 and 5 * characterized in that the feed tube (11) by means of a Interval transport wheel (21) under the ejector (16 or 19) are promoted, the is fed via a feed hose (4j5). 7. Apparatus according to claim 6,
characterized in that the supply hose (21) connects to the discharge end of a collecting platform (38) which carries the magazine boxes equipped with loading tubes. 8. Device according to claim 7 *
characterized in that an endless conveyor belt (39) is provided at the discharge end of the collecting platform (38) which presses the feed tubes (41) against a laterally arranged run-up roller (42). 9. Device according to one of claims 1 to 8, characterized in that that the machine, in addition to the wheels (24) driven by the interval drive (1), has a monoeving wheel (28) at the rear end and a guide rail (27) at the front end. 709881/0182 10. Device according to one of claims 1 to 8, characterized in that that the machine is provided with a transverse drive. 11. The device according to claim 6, characterized in that that the interval transport wheel (21) has an upper and a lower transport disk (46 or 47) has, between which a deflection tongue (48) is located. 12. Device according to claims 6 and 11, characterized in that that the interval transport wheel (21) is followed by a transport channel (65) at its discharge end an empty container (14) is connected. 13. Device according to claims 6, 11 and 12, characterized in that the transport disks (46, 47) are equipped with guide rollers (51), which by upper and lower retaining plates (52) are mounted. 14. The device according to claim 6, characterized in that that the interval transport wheel (21) has an upper and lower transport disc (56, 57) and coaxial has a drive pinion (55) which is connected to it in a rotationally fixed manner and which corresponds to the working intervals accordingly on its top holes for the entrance of the feed tube (11) and for the Has drill ram (Figure 10). 15. Device according to claims 1 and 3 * characterized in that that at the lower funnel-like end of the bulk material container a screw conveyor (143) is mounted with a horizontal axis, the introduces the bulk material into the metering chambers (146). 16. The device according to claim 3 *, characterized in that that the metering chambers (146) with an inlet control slide (153) and an outlet control slide (154) are provided, which in the rhythm of the filling resp. the extension movement is controllable. (Fig. 26) 17. Device according to claims I5 and 16, characterized in that on the shaft (147) of the screw conveyor (144) Screw elements are attached so that each next to the inlet opening (149) to Dosing chamber (146) a left-hand and a right-hand screw element (I50, I5I) is located. 18. Device according to claims I5 to 17 * characterized in that the metering chamber (146) has the shape of a truncated cone, the lower discharge end of which the has a larger diameter. 19. Device according to claim 17 * characterized in that a forced control for the slide (I50, I5I) is provided, which ensures an alternating opening of the slide in the work rhythm. 709881/0182 20. Device according to claims 15 to 19, characterized in that that the distance (a) between the drilling spindle axis (22) and the metering chamber axis (146) is adjustable is. 21. The device according to claim 20, characterized in that that the bulk material box (l40) with conveying and metering device in the direction of movement of the machine is infinitely adjustable via a guide spindle. 22. The device according to claim 20, characterized in that that the bulk material box (140) with the conveying and metering device gradually in the direction of travel is adjustable with respect to the vehicle frame. 23. Device according to claims 20 to 22, characterized in that the interval feed by the drive motor (1) is adapted to the set distance (a). 24. The device according to claim 3, characterized in that that a vibrator is attached to the bulk material container (140). 25. The device according to claim 24, characterized in that that vibration damper is provided between the chassis and the vibrating bulk material box (I4o) are (Fig. 27). 709881/0182 * - 2828548 26 Vorrichtimg according to any one of claims 1 to 25, characterized in that a sweeping device (158) or the drilling ₀ Beschiclcungsstation downstream. 27. The device according to claim 26, characterized in that the sweeping device is a rotating broom (58), which is followed by a dustpan (159) with a collecting container (16O). 28. Device according to one of claims 1 to 27, characterized in that that all operations can be programmed via a coding device (8). 29. Device according to one of claims 1 to 28, characterized in that that a hand control (9) is provided. 709881/0182