WO2006091084A1 - Device to change the position of plants that grow upwards along a wire - Google Patents
Device to change the position of plants that grow upwards along a wire Download PDFInfo
- Publication number
- WO2006091084A1 WO2006091084A1 PCT/NL2006/000095 NL2006000095W WO2006091084A1 WO 2006091084 A1 WO2006091084 A1 WO 2006091084A1 NL 2006000095 W NL2006000095 W NL 2006000095W WO 2006091084 A1 WO2006091084 A1 WO 2006091084A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- winding hook
- devices
- cable
- hook
- wire
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/12—Supports for plants; Trellis for strawberries or the like
- A01G9/126—Wirespool supports
Definitions
- the invention relates to a device to change the position of plants that grow upwards along a wire, which wire is partly wound around a winding hook that is hung on a tightly stretched horizontal cable, so that when changing the position of a plant the wire is partly unwound from the winding hook, which winding hook comprises a middle section as well as two ends that are perpendicular to the middle section and are present in one plane together with the middle section.
- the plants are allowed to grow upwards along vertical wires.
- the plants bear new products (tomatoes, cucumbers) near the top end, where they are plucked once they have grown sufficiently. If the plant becomes too high, the wire is lowered by unwinding it from a winding hook so that a new piece of wire is available for the plant to grow along and upwards. The bottom part of the plant thereby comes to lie on the ground.
- the suspension point on the cable can also be moved in a horizontal direction so that the plant can come to hang in a natural curve.
- a winding hook In this method of cultivation, a winding hook is often used that has two wave-like ends, which are connected to each other via a middle section.
- the wire along which the plant grows upwards is wound around both ends.
- the winding hook By turning the winding hook through 180°, or a multiple thereof, the wire can be unwound and the winding hook can be hung up again.
- the wire is here wound in the trough of the "wave", and the winding hook is hung on the cable by the crest of the wave.
- the object of the invention is to provide a device with which the manual process can be done mechanically in an inventive way.
- the device according to the invention is characterised in that it comprises a unit for turning a winding hook, which unit is provided with: - manipulation devices to hold and turn a winding hook,
- the detection devices first determine precisely where a winding hook and the cable on which it is hung are to be found. The detection devices are then withdrawn by the first movement devices to make room for the manipulation devices, which are brought to the winding hook by means of the second movement devices, hold the winding hook firmly and make a half-turn, or a multiple thereof, so that the wire unwinds from the winding hook. Finally, the winding hook is hung back up again.
- the device according to the invention can be made compact and simple. In the withdrawn position, the detection devices do not obstruct the manipulation devices so that the detection devices and the manipulation devices can be made optimally. This means that the detection devices for example can be made as a simple mechanical sensor, which in a withdrawn position is not in the way of the manipulation devices, instead of as more error-sensitive, contact-free optical detectors.
- the device also comprises third movement devices to move the unit in a direction parallel to the cable, so that the winding hook can also be moved in a horizontal direction along the cable.
- the device preferably comprises transport devices to move the device in a direction parallel to the cable. This means the bottom part of the plant can come to hang in a natural curve.
- the device preferably comprises lifting devices to move the unit in a vertical direction to bring it to the correct height with respect to the cable.
- the detection devices comprise a mechanical sensor.
- the sensor comprises two sensor arms, which are set up in a V-shape with respect to each other, in which one of the arms slants downwards and the other slants upwards, and in which each sensor arm is connected near an end to a microswitch.
- a further embodiment of the device according to the invention is characterised in that the manipulation devices comprise hooks, which together can be moved in a direction perpendicular to the plane of the winding hook and can be moved towards and away from each other in a direction parallel to the plane of the winding hook and can thus hook behind the ends of the winding hook.
- the manipulation devices comprise a drive motor, as well as a mechanism that converts the turning movement of the drive motor into a movement of the hooks that is away from and towards each other.
- the mechanism comprises a frame, as well as a drive bar, which is connected near the middle to an axle driven by the drive motor, which axle is connected to the frame with bearings, and which drive bar, when a winding hook is held firmly and released, is turned to the left and back to the right by the drive motor, two auxiliary bars that have a hinged connection to the ends of the drive bar, and two working bars that each have a hinged connection via an end to the other ends of the auxiliary bars and are connected by the other ends to the hooks and which have a swivel connection between the ends to the frame.
- Figure 1 shows an embodiment of the device according to the invention in front elevation.
- Figure 2 shows the unit of the device in perspective seen on the manipulation devices
- Figure 3 shows the unit of the device in perspective seen on the detection devices.
- Figure 1 shows an embodiment of the device according to the invention in front elevation.
- the device 1 is designed to change the position of a plant that grows upwards along a wire 3.
- This wire 3 is here partly wound around a winding hook 5 (see figures 2 and 3), which is hung on a tightly stretched horizontal cable 7. In changing the position of the plant the wire 3 is partly unwound from the winding hook 5.
- the winding hook 5 (see figures 2 and 3) has a middle section 5a and two ends 5b, which are perpendicular to the middle section and which together with the middle section lie in one plane.
- the ends 5b have a wave-like shape in which the wire 3 is wound in a trough 5' of a wave and the winding hook is hung on the cable 7 by the crest 5 " of a wave.
- the device 1 is provided with a unit 9 to change the position of a winding hook.
- the device 1 also has transport devices 11 to move the device in a direction parallel to the cable 7 in a path between plants hung in two rows on cables, as well as lifting devices 13 to move the unit 9 in a vertical direction to bring it to the same height as the cable 7.
- the unit 9 has manipulation devices 15 to turn and move the winding hook
- FIGs 2 and 3 show the unit 9 of the device in detail in two different views, one on the manipulation devices 15 (figure 2) and one on the detection devices 17 (figure 3).
- the manipulation devices 15 have hooks 19 that can be moved in a direction, arrow 21, perpendicular to the plane of the winding hook and in a direction, arrows 23, parallel to the plane of the winding hook that is towards and away from each other and can thus hook behind the ends 5b of the winding hook.
- the manipulation devices 15 also have a drive motor 25 and a mechanism 27 which converts the turning movement, arrow 29, of the drive motor into a movement of the hooks 19 that is away from and towards each other, arrows 23.
- the mechanism 27 has a frame 31, as well as a drive bar 33, which is connected near the middle to an axle 35 driven by the drive motor 25, which axle is connected to the frame with bearings, and which drive bar, when a winding hook is held firmly and released, is turned to the left and back to the right by the drive motor, arrow 29.
- the ends of the drive bar 33 have a hinged connection to the ends of two auxiliary bars 37, which with the other ends have a hinged connection to the ends of two working bars 39.
- the working bars are connected by the other ends to the hooks 19 and have a swivel connection between the ends via an axle 41 to the frame 31.
- the manipulation devices 15 also have a motor 45 connected to the frame 31 , by arrow 43 , which can turn the frame 31 around the turning shaft 47, see arrow 49.
- the winding hook 5 can thus be turned so that the wire 3 unwinds from the winding hook 5.
- a stop plate 51 is fixed to the frame 31. With this plate, the manipulation devices 15 first come into contact with the winding hook 5 so that the winding hook 5 takes up a defined position with respect to the manipulation devices 15. This ensures that the hooks 19 hook in the correct position behind the ends 5b of the winding hook 5.
- the detection devices 17 have a mechanical sensor 53 , which has two sensor arms 55, 57, which are set up in a V-shape with respect to each other. One of the arms 57 here slants downwards and the other 55 slants upwards.
- Figure 3 clearly shows the detection devices 17 (this figure does not show the manipulation devices 15 in detail).
- Each sensor arm is connected to a microswitch (not visible in the figure) near the ends 55a, 57a of the sensor arms, which are present near each other.
- the unit 9 also has first movement devices 59 to move the detection devices 17 in a direction, arrow 61, that is away from and towards the cable 7, as well as second movement devices 63 to move the manipulation devices 15 in a direction, arrow 65, that is away from and towards the cable 7 and in a direction, arrow 67, parallel to the cable.
- These second movement devices 63 in this embodiment move the whole unit 9, so not only the manipulation devices 15, and in this embodiment therefore also form the above described third movement devices to move it also in a horizontal direction along the cable when the winding hook is turned.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
A device to change the position of a plant that grows upwards along a wire (3), has a unit (9) to change the position of a winding hook (5), around which the wire (3) is partly wound, hung on a tightly stretched horizontal cable (7). The unit (9) has manipulation devices (15) to turn and move the winding hook (5) in a horizontal direction, and detection devices (17) to detect the cable (7) and the winding hook (5) hung on the cable. The manipulation devices (15) have hooks (19), which can hook behind ends (5b) of the winding hook and a motor (45) connected to the frame (31), by arrow (43), which can turn the frame (31) around the turning shaft (47). This can hold and turn the winding hook (5) so that the wire (3) unwinds from the winding hook (5). The detection devices (17) have a mechanical sensor (53), which has two sensor arms (55, 57), which are set up in a V-shape with respect to each other and which are connected to microswitches by an end.
Description
Device to change the position of plants that grow upwards along a wire
BACKGROUND OF THE INVENTION:
Field of the invention
The invention relates to a device to change the position of plants that grow upwards along a wire, which wire is partly wound around a winding hook that is hung on a tightly stretched horizontal cable, so that when changing the position of a plant the wire is partly unwound from the winding hook, which winding hook comprises a middle section as well as two ends that are perpendicular to the middle section and are present in one plane together with the middle section.
In the cultivation of plants, especially tomatoes and cucumbers, the plants are allowed to grow upwards along vertical wires. The plants bear new products (tomatoes, cucumbers) near the top end, where they are plucked once they have grown sufficiently. If the plant becomes too high, the wire is lowered by unwinding it from a winding hook so that a new piece of wire is available for the plant to grow along and upwards. The bottom part of the plant thereby comes to lie on the ground. The suspension point on the cable can also be moved in a horizontal direction so that the plant can come to hang in a natural curve.
In this method of cultivation, a winding hook is often used that has two wave-like ends, which are connected to each other via a middle section. The wire along which the plant grows upwards is wound around both ends. By turning the winding hook through 180°, or a multiple thereof, the wire can be unwound and the winding hook can be hung up again. The wire is here wound in the trough of the "wave", and the winding hook is hung on the cable by the crest of the wave.
Prior art
There are different sorts of winding hooks known for hanging such plants on a cable, see WO-A-03/105570. In all these well-known winding hooks, the wire has to
be manually unwound from the winding hook and the position of the winding hook must be manually changed.
Summary of the invention
The object of the invention is to provide a device with which the manual process can be done mechanically in an inventive way. For this purpose, the device according to the invention is characterised in that it comprises a unit for turning a winding hook, which unit is provided with: - manipulation devices to hold and turn a winding hook,
- detection devices to detect a cable and a winding hook hung on the cable,
- first movement devices to move the detection devices, and
- second movement devices to move the manipulation devices.
The detection devices first determine precisely where a winding hook and the cable on which it is hung are to be found. The detection devices are then withdrawn by the first movement devices to make room for the manipulation devices, which are brought to the winding hook by means of the second movement devices, hold the winding hook firmly and make a half-turn, or a multiple thereof, so that the wire unwinds from the winding hook. Finally, the winding hook is hung back up again. By making the detection devices and the manipulation devices so that they can be moved in a direction towards and away from the cable, the device according to the invention can be made compact and simple. In the withdrawn position, the detection devices do not obstruct the manipulation devices so that the detection devices and the manipulation devices can be made optimally. This means that the detection devices for example can be made as a simple mechanical sensor, which in a withdrawn position is not in the way of the manipulation devices, instead of as more error-sensitive, contact-free optical detectors.
Preferably, the device also comprises third movement devices to move the unit in a direction parallel to the cable, so that the winding hook can also be moved in a horizontal direction along the cable. Moreover, the device preferably comprises transport devices to move the device in a direction parallel to the cable. This means the bottom part of the plant can come to hang in a natural curve.
Furthermore, the device preferably comprises lifting devices to move the unit in a vertical direction to bring it to the correct height with respect to the cable.
An embodiment of the device according to the invention is characterised in that the detection devices comprise a mechanical sensor. Preferably, the sensor comprises two sensor arms, which are set up in a V-shape with respect to each other, in which one of the arms slants downwards and the other slants upwards, and in which each sensor arm is connected near an end to a microswitch.
A further embodiment of the device according to the invention is characterised in that the manipulation devices comprise hooks, which together can be moved in a direction perpendicular to the plane of the winding hook and can be moved towards and away from each other in a direction parallel to the plane of the winding hook and can thus hook behind the ends of the winding hook.
In a favourable embodiment of this, the manipulation devices comprise a drive motor, as well as a mechanism that converts the turning movement of the drive motor into a movement of the hooks that is away from and towards each other.
In a further favourable embodiment of this, the mechanism comprises a frame, as well as a drive bar, which is connected near the middle to an axle driven by the drive motor, which axle is connected to the frame with bearings, and which drive bar, when a winding hook is held firmly and released, is turned to the left and back to the right by the drive motor, two auxiliary bars that have a hinged connection to the ends of the drive bar, and two working bars that each have a hinged connection via an end to the other ends of the auxiliary bars and are connected by the other ends to the hooks and which have a swivel connection between the ends to the frame.
Brief description of the drawings
The invention will be elucidated more fully below on the basis of drawings in which an embodiment of the device according to the invention is shown. In these drawings: Figure 1 shows an embodiment of the device according to the invention in front elevation.
Figure 2 shows the unit of the device in perspective seen on the manipulation
devices; and
Figure 3 shows the unit of the device in perspective seen on the detection devices.
Detailed description of the drawings
Figure 1 shows an embodiment of the device according to the invention in front elevation. The device 1 is designed to change the position of a plant that grows upwards along a wire 3. This wire 3 is here partly wound around a winding hook 5 (see figures 2 and 3), which is hung on a tightly stretched horizontal cable 7. In changing the position of the plant the wire 3 is partly unwound from the winding hook 5.
The winding hook 5 (see figures 2 and 3) has a middle section 5a and two ends 5b, which are perpendicular to the middle section and which together with the middle section lie in one plane. The ends 5b have a wave-like shape in which the wire 3 is wound in a trough 5' of a wave and the winding hook is hung on the cable 7 by the crest 5 " of a wave.
The device 1 is provided with a unit 9 to change the position of a winding hook. The device 1 also has transport devices 11 to move the device in a direction parallel to the cable 7 in a path between plants hung in two rows on cables, as well as lifting devices 13 to move the unit 9 in a vertical direction to bring it to the same height as the cable 7.
The unit 9 has manipulation devices 15 to turn and move the winding hook
5 in a horizontal direction, and detection devices 17 to detect the cable 7 and the winding hook 5 hung on the cable. Figures 2 and 3 show the unit 9 of the device in detail in two different views, one on the manipulation devices 15 (figure 2) and one on the detection devices 17 (figure 3).
The manipulation devices 15 have hooks 19 that can be moved in a direction, arrow 21, perpendicular to the plane of the winding hook and in a direction, arrows 23, parallel to the plane of the winding hook that is towards and away from each other and can thus hook behind the ends 5b of the winding hook. The manipulation devices 15 also have a drive motor 25 and a mechanism 27 which converts the turning movement, arrow 29, of the drive motor into a movement of the hooks 19 that is away from and towards each other, arrows 23.
The mechanism 27 has a frame 31, as well as a drive bar 33, which is connected near the middle to an axle 35 driven by the drive motor 25, which axle is connected to the frame with bearings, and which drive bar, when a winding hook is held firmly and released, is turned to the left and back to the right by the drive motor, arrow 29. The ends of the drive bar 33 have a hinged connection to the ends of two auxiliary bars 37, which with the other ends have a hinged connection to the ends of two working bars 39. The working bars are connected by the other ends to the hooks 19 and have a swivel connection between the ends via an axle 41 to the frame 31.
The manipulation devices 15 also have a motor 45 connected to the frame 31 , by arrow 43 , which can turn the frame 31 around the turning shaft 47, see arrow 49. The winding hook 5 can thus be turned so that the wire 3 unwinds from the winding hook 5.
A stop plate 51 is fixed to the frame 31. With this plate, the manipulation devices 15 first come into contact with the winding hook 5 so that the winding hook 5 takes up a defined position with respect to the manipulation devices 15. This ensures that the hooks 19 hook in the correct position behind the ends 5b of the winding hook 5.
The detection devices 17 have a mechanical sensor 53 , which has two sensor arms 55, 57, which are set up in a V-shape with respect to each other. One of the arms 57 here slants downwards and the other 55 slants upwards. Figure 3 clearly shows the detection devices 17 (this figure does not show the manipulation devices 15 in detail). Each sensor arm is connected to a microswitch (not visible in the figure) near the ends 55a, 57a of the sensor arms, which are present near each other.
The unit 9 also has first movement devices 59 to move the detection devices 17 in a direction, arrow 61, that is away from and towards the cable 7, as well as second movement devices 63 to move the manipulation devices 15 in a direction, arrow 65, that is away from and towards the cable 7 and in a direction, arrow 67, parallel to the cable. These second movement devices 63 in this embodiment move the whole unit 9, so not only the manipulation devices 15, and in this embodiment therefore also form the above described third movement devices to move it also in a horizontal direction along the cable when the winding hook is turned. Although in the above the invention is explained on the basis of the drawings, it should be noted that the invention is in no way limited to the embodiment shown in the drawings. The invention also extends to all embodiments deviating from the
embodiment shown in the drawings within the context defined by the claims.
Claims
1. Device to change the position of plants that grow upwards along a wire, which wire is partly wound around a winding hook that is hung on a tightly stretched horizontal cable, so that when changing the position of a plant the wire is partly unwound from the winding hook, which winding hook comprises a middle section as well as two ends that are perpendicular to the middle section and are present in one plane together with the middle section, characterised in that the device comprises a unit to turn a winding hook, which unit is provided with:
- manipulation devices to hold and turn a winding hook, - detection devices to detect a cable and a winding hook hung on the cable,
- first movement devices to move the detection devices, and
- second movement devices to move the manipulation devices.
2. Device according to claim 1 , characterised in that the device also comprises third movement devices to move the unit in a direction parallel to the cable, so that the winding hook can also be moved in a horizontal direction along the cable.
3. Device according to claim 2, characterised in that the device also comprises transport devices to move the device in a direction parallel to the cable.
4. Device according to claims 1, 2 or 3, characterised in that the device also comprises lifting devices to move the unit in a vertical direction.
5. Device according to one of the preceding claims, characterised in that the detection devices comprise a mechanical sensor.
6. Device according to claim 4, characterised in that the sensor comprises two sensor arms, which are set up in a V-shape with respect to each other, in which one of the arms slants downwards and the other slants upwards, and in which each sensor arm is connected to a microswitch near an end.
7. Device according to one of the preceding claims, characterised in that the manipulation devices comprise hooks, which together can be moved in a direction perpendicular to the plane of the winding hook and can be moved in a direction parallel to the plane of the winding hook that is towards and away from each other and can thus hook behind the ends of the winding hook.
8. Device according to one of the preceding claims, characterised in that the manipulation devices comprise a drive motor, as well as a mechanism that converts the turning movement of the drive motor into a movement of the hooks that is away from and towards each other.
9. Device according to claim 8, characterised in that the mechanism comprises a frame, as well as a drive bar, which is connected near the middle to an axle driven by the drive motor, which axle is connected to the frame with bearings, and which drive bar, when a winding hook is held firmly and released, is turned to the left and back to the right by the drive motor, two auxiliary bars that have a hinged connection to the ends of the drive bar, and two working bars that each have a hinged connection via an end to the other ends of the auxiliary bars and are connected by the other ends to the hooks and which have a swivel connection between the ends to the frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1028392 | 2005-02-24 | ||
| NL1028392A NL1028392C2 (en) | 2005-02-24 | 2005-02-24 | Device for suspending plants that grow upwards along a wire. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006091084A1 true WO2006091084A1 (en) | 2006-08-31 |
Family
ID=35159926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/NL2006/000095 WO2006091084A1 (en) | 2005-02-24 | 2006-02-23 | Device to change the position of plants that grow upwards along a wire |
Country Status (2)
| Country | Link |
|---|---|
| NL (1) | NL1028392C2 (en) |
| WO (1) | WO2006091084A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3714682B1 (en) * | 2019-03-29 | 2022-11-23 | Veditec BVBA | A gripping apparatus for relocating high-wire hooks supporting high-wire crops in horticulture |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8902036A (en) * | 1989-08-09 | 1991-03-01 | A L De Groot En Zonen Fa | Plant-suspension equipment in greenhouse - has hook with stirrup extension from which wire unwinds |
| EP0584423A1 (en) * | 1992-09-02 | 1994-03-02 | ARTIFIL Sarl | Unrolling method and device for a flexible plant support for cultivating climbing plants |
| WO2003105570A1 (en) * | 2002-06-14 | 2003-12-24 | George Stefanov Gurov | Suspension mechanism for greenhouse plants |
-
2005
- 2005-02-24 NL NL1028392A patent/NL1028392C2/en not_active IP Right Cessation
-
2006
- 2006-02-23 WO PCT/NL2006/000095 patent/WO2006091084A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8902036A (en) * | 1989-08-09 | 1991-03-01 | A L De Groot En Zonen Fa | Plant-suspension equipment in greenhouse - has hook with stirrup extension from which wire unwinds |
| EP0584423A1 (en) * | 1992-09-02 | 1994-03-02 | ARTIFIL Sarl | Unrolling method and device for a flexible plant support for cultivating climbing plants |
| WO2003105570A1 (en) * | 2002-06-14 | 2003-12-24 | George Stefanov Gurov | Suspension mechanism for greenhouse plants |
Non-Patent Citations (1)
| Title |
|---|
| C.M.: "Afroller voor hogedraadhaspel", TUINDERIJ, vol. 67, no. 1, 8 January 1987 (1987-01-08), Doetinchem, The Netherlands, pages 41, XP001252286 * |
Also Published As
| Publication number | Publication date |
|---|---|
| NL1028392C2 (en) | 2006-08-25 |
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