JP2016189750A - Movable cultivation apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve a problem in a movable cultivation apparatus 1 of a closed-loop state that requires very long time until irrigation to all cultivation benches 10 is completed.SOLUTION: A pair of conveyors 40A,40B which are parallelly arrayed while conveyance directions of the conveyors are set in opposite directions, and a pair of guiding devices 20A,20B are arranged in a closed-loop state to allow a plurality of cultivation benches 10 to circulate. Each of the cultivation benches 10 is equipped with an irrigation tube 81 and a water filling pipe 82. The water filling pipe 82 group are connected in a communicated manner via pipe joints 83, which is configured such that irrigation is performed from the water filling pipe 82 group to each cultivation benches 10 via each irrigation tube 81. A controller 75 supplies hot water from the water filling pipe 82 group to each cultivation bench 10 via each irrigation tube 81 while temperature indicated by a temperature sensor 76 installed around movable cultivation apparatus 1 is lower than a specified value.SELECTED DRAWING: Figure 18

Description

  The present invention relates to a mobile cultivation apparatus capable of cultivating plants such as vegetables and flower buds in a densely planted state.

  Conventionally, the technique of cultivating a plant using a plurality of horizontally long cultivation benches is known. For example, in Patent Document 1 and Patent Document 2, each cultivation bench is moved only in either the row direction (horizontal direction) parallel to the longitudinal direction or the column direction (vertical direction) orthogonal to the longitudinal direction. A mobile cultivation apparatus having a configuration to be made is disclosed.

  Patent Document 3 discloses a mobile cultivation apparatus having a configuration that allows each cultivation bench to be moved in both the row direction and the column direction. In this case, the roller group is provided on the frame extending in the row direction and the frame extending in the column direction. For each frame in the row direction, power is transmitted to a group of rollers arranged in the row direction via one spline power shaft extending in the row direction and an individual belt transmission system, while extending in the column direction for each frame in the row direction. Each cultivating bench can be moved in both the row direction and the column direction by transmitting power to a group of rollers arranged in the column direction via a single spline power shaft and an individual belt transmission system.

JP-A-9-56259 JP 2001-78577 A JP-A-11-298771

  By the way, in this kind of mobile cultivation device, when irrigating each cultivation bench, each cultivation bench was moved to the location of the irrigation device. There was a problem that it took a lot of time and time and effort. Furthermore, there is also a problem that it is difficult to frequently supply sufficient water to the plant.

  This invention is made | formed as a technical subject to provide the mobile cultivation apparatus which examined the present conditions as mentioned above and aimed at the improvement.

  According to the first aspect of the present invention, a closed loop is formed by a pair of transport conveyors arranged in parallel with the transport directions opposite to each other, and a pair of guide devices connecting between the two transport conveyors, and is on each of the transport conveyors. A pair of transfer devices for moving the cultivation bench toward the guide device on the downstream side of conveyance; and driving the transfer devices to convey a plurality of cultivation benches on the guide devices in a ball shape, and the closed loop In the mobile cultivation apparatus that circulates the plurality of cultivation benches, each cultivation bench is connected to the tube body along the longitudinal direction on the cultivation bench, and the longitudinal direction of each guide apparatus A water injection pipe extending along the direction, and connecting the water injection pipe group via a pipe joint removable by movement of the cultivation bench group along each guide device, While configured to supply water to each tube body from the water injection tube group, the mobile cultivation device, while the temperature indicated by the temperature sensor installed around the mobile cultivation device satisfies a predetermined condition, Control means for supplying water of a predetermined temperature from the water injection tube group to each tube body is provided.

  The invention according to claim 2 is the mobile cultivation apparatus according to claim 1, wherein the pipe joint includes an opening / closing valve that opens in a state where the adjacent water injection pipes are connected to each other and closes in a separated state. Is.

  The invention according to claim 3 is the mobile cultivation apparatus according to claim 1 or 2, wherein the control means is configured such that the first temperature is supplied from the water injection tube group to each tube body while the temperature is lower than the first temperature. The hot water having a higher second temperature is continuously or intermittently supplied.

  According to a fourth aspect of the present invention, in the mobile cultivation apparatus according to the first or second aspect, the control means causes the water injection pipe group to move the tube body from the third temperature while the temperature exceeds the third temperature. The cold water having a lower fourth temperature is supplied continuously or intermittently.

  Invention of Claim 5 is the mobile cultivation apparatus in any one of Claims 1-4. WHEREIN: The said tube body is the discharge port part for several irrigation arranged at intervals suitably along the longitudinal direction An irrigation tube having

  The invention of claim 6 is the mobile cultivation apparatus according to any one of claims 1 to 4, wherein the tube body has a plurality of irrigation outlets arranged at appropriate intervals along the longitudinal direction thereof. The temperature control tube has a hollow cylindrical shape, and the temperature control tube is attached to the plant base of the crop planted on the cultivation bench.

  According to the invention of this application, a closed loop is formed by a pair of transport conveyors arranged in parallel with the transport directions opposite to each other, and a pair of guide devices connecting the two transport conveyors, and the cultivation bench on each of the transport conveyors A pair of transfer devices that move toward the guide device on the downstream side of the transfer, and a plurality of cultivation benches on each guide device are conveyed in a ball shape by driving each transfer device, and within the closed loop In the mobile cultivation apparatus that circulates the plurality of cultivation benches, a tube body that extends along the longitudinal direction on the cultivation bench, and a water injection pipe that is connected to the tube body and extends along the longitudinal direction of each guide device. The water injection pipe group is connected via a pipe joint that can be attached and detached by movement of the cultivation bench group along each guide device, and each of the water injection pipe groups is connected to each of the water injection pipe groups. Since the water is supplied to the tube body, the plurality of cultivation benches are circulated in the closed loop, but the cultivation bench group is not circulated (the cultivation bench group is stopped). In this state, water can be supplied to each tube body from the water injection tube group, and heating and irrigation work for the plant base part suitable for the growth of the crop planted on each cultivation bench can be performed easily and without trouble. .

  In addition, the mobile cultivation device controls the supply of water at a predetermined temperature from the water injection tube group to the tube bodies while the temperature indicated by the temperature sensor installed around the mobile cultivation device satisfies a predetermined condition. Since it is provided with means, it becomes possible to locally adjust the temperature, soil temperature or temperature of the plant base in the vicinity of the crop in the mobile cultivation device, efficiently enabling multiple germination and multiple harvesting throughout the year, and thermal energy. Can be efficiently used for growing crops.

  In particular, according to the invention of claim 3, the control means supplies hot water having a second temperature higher than the first temperature from the water injection tube group to the tube bodies while the temperature is lower than the first temperature. Since it is continuously or intermittently supplied, hot water is automatically or continuously supplied to each cultivation bench when the temperature around the mobile cultivation device is low, so that the temperature, soil temperature, or plant origin in the vicinity of the crop The temperature of the part can be increased locally.

  According to the invention of claim 4, the control means continues the cold water having a fourth temperature lower than the third temperature from the water injection tube group to the tube bodies while the temperature exceeds the third temperature. When the temperature around the mobile cultivation device is too high, cold water is automatically or continuously supplied to each cultivation bench so that the temperature, soil temperature, or stock source in the vicinity of the crop The temperature of the part can be lowered locally.

It is a schematic plan view of the mobile cultivation apparatus in an embodiment. It is a top view of a conveyance conveyor. It is a top view of a drawing-in apparatus. It is a perspective view of a drawing-in apparatus. It is a partially cutaway perspective view of an engaging claw body and an engagement / disengagement actuator. It is a perspective view of a cultivation bench. It is a side view which shows the state before the engagement by a drawing-in apparatus. It is a side view which shows the engagement state of a drawing-in apparatus. It is a side view which shows a water injection pipe connection completion state. It is a side view which shows the water injection state to a water injection pipe group. It is a side view which shows the engagement state of the drawing-in apparatus at the time of circulation movement. It is a side view which shows the drawing completion state at the time of a circulation movement. It is a side view which shows the injection pipe separation state at the time of circulation movement (drawing completion state). It is a functional block diagram of a pneumatic circuit and a controller. It is a partially notched side view which shows the usage aspect of a cultivation bench. It is side surface sectional drawing of a plug and a socket, (a) is a connection state, (b) is a figure which shows a isolation | separation state. It is a flowchart which shows a warm water supply process. It is a schematic plan view of the mobile cultivation apparatus in a 1st example. It is a schematic plan view of the mobile cultivation apparatus in the 2nd example.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  First, the schematic structure of the mobile cultivation apparatus 1 will be described with reference to FIGS. 1 and 2. In the following description, when using a term indicating a specific direction or position as necessary (for example, “left / right”, “up / down”, etc.), the direction perpendicular to the paper surface in FIG. Alternatively, the vertical direction (may be referred to as the column direction), and the left-right direction on the paper is the left-right direction or the horizontal direction (may be referred to as the row direction). These terms are used for convenience of explanation, and do not limit the technical scope of the present invention.

  In the embodiment, the vertical direction and the horizontal direction are both parallel to the horizontal plane (ground) (perpendicular to the gravitational direction), but the present invention is not limited to this, such as strawberry and spinach. The vertical and horizontal directions may be slightly inclined with respect to the horizontal plane so long as they do not hinder the cultivation of vegetables such as fruit vegetables and leaf vegetables.

  As shown in FIG.1 and FIG.2, the mobile cultivation apparatus 1 of embodiment is the closed loop-shaped thing which circulates and conveys the several cultivation bench 10 which grows plants, such as vegetables and flowers, such as a strawberry, spinach, or a tomato and a cucumber. It is. In this case, the mobile cultivation apparatus 1 has a pair of transport conveyors 40A and 40B arranged in parallel with the transport directions opposite to each other, and the other transport conveyor 40B (40A) from the transport downstream side of one transport conveyor 40A (40B). ) And a pair of guide devices 20A (20B) for guiding each cultivation bench 10 to the transport upstream side, and transfer for moving the cultivation bench 10 on the transport conveyors 40A and 40B toward the guide devices 20A and 20B on the transport downstream side. A pair of retracting devices 21A and 21B as a device is provided. A pair of conveyance conveyors 40A and 40B and a pair of guide devices 20A and 20B are configured in a closed loop shape for circulating and conveying the plurality of cultivation benches 10.

  The pair of transport conveyors 40A and 40B are arranged in parallel with a space in the front-rear direction (vertical direction). Each of the cultivation benches 10 is configured to be conveyed in opposite conveyance directions (lateral directions). The pair of guide devices 20A and 20B are arranged in parallel with a space in the left-right direction (lateral direction), and are configured to guide the cultivation bench 10 in directions opposite to each other (vertical direction). Has been.

  The left half of the front conveyor 40A is positioned on the front side of the first guide device 20A, and the right half of the front conveyor 40A is positioned on the front side of the second guide device 20B. The left half of the back side conveyor 40B is located on the back side of the first guide device 20A, and the right half of the back side conveyor 40B is located on the back side of the second guide device 20B. Each of the conveyors 40A and 40B is configured to be able to deliver the cultivation bench 10 to and from the guide devices 20A and 20B. Each cultivation bench 10 is circulated and conveyed clockwise in a plan view of FIG. 1 in the order of the front-side transport conveyor 40A → the first guide device 20A → the back-side transport conveyor 40B → the second guide device 20B → the front-side transport conveyor 40A. . Needless to say, the circulating conveyance direction may be counterclockwise in a plan view of FIG.

  The detailed structure of the cultivation bench 10 will be described with reference to FIGS. The cultivation bench 10 includes a plurality of planters 2 as cultivation tanks that are containers having an upwardly open horizontally long box shape, and a horizontally elongated box frame-shaped frame body 11 in which the planter 2 is accommodated. The planter 2 accommodates soil for cultivation and the like, and a drain hole (not shown) for discharging excess water and chemicals to the outside is formed on the bottom surface. At the front and rear edge portions of the upper surface of the planter 2, locking piece portions 2 a that are engaged with the front and rear longitudinal side portions of the upper frame frame 12 that forms the upper surface of the frame body 11 are formed. The planter 2 is supported by the cultivation bench 10 by hooking and engaging the locking piece 2 a with the longitudinal side portion of the upper frame frame 12.

  A rectangular frame-shaped lower frame frame 18 constituting the lower surface side of the frame frame body 11 includes a set of two wheels 13 as a sliding body for sliding the cultivation bench 10 on each guide device 20A, 20B. It is assembled. A total of four sets of wheels 13 are arranged side by side in the lateral direction of the cultivation bench 10 at intervals according to the arrangement width of the guide rails 35 (details will be described later) of each guide device 20A (20B). In addition, you may provide a sliding body in each guide apparatus 20A (20B) side. Further, the sliding body is not limited to the wheel 13 but may be another structure such as a roller, a slider, or a roller. On the upper surface side of the lower frame 18, a receiving rod 14 for collecting excess water and chemicals discharged from the discharge hole on the lower surface of the planter 2 is attached. The water and the chemicals collected in the receiving basket 14 of each cultivation bench 10 are collected and collected in the collection baskets 30A and 30B (see FIG. 1) extending along the longitudinal direction (vertical direction) of the guide devices 20A and 20B. The

  Note that an IC tag (not shown) that stores various types of information of the crops cultivated on the cultivation bench 10 is provided on the lower center side of the frame body 11. The use of IC tags can improve crop traceability.

  An abutting frame 19 formed in a U-shape in plan view is provided on one longitudinal side of the lower frame frame 18 in the front and rear direction. The left and right vertical pipe portions 19b of the contact frame 19 are welded and fixed to the lower frame frame 18 side. The horizontal pipe portion 19a of the contact frame 19 can be brought into contact with the lower frame frame 18 of the cultivation bench 10 on either one of the front and rear on each guide device 20A, 20B. In a state where the horizontal pipe portion 19a of the contact frame 19 is in contact with the adjacent cultivation bench 10, an appropriate interval (in the longitudinal direction) between the adjacent cultivation benches 10 along the longitudinal direction (vertical direction) of each guide device 20A, 20B ( In the embodiment, about 500 mm) is opened.

  In addition, if the contact frame 19 is configured to be detachable (changeable) or adjustable in length, the arrangement interval between the adjacent cultivation benches 10 may be changed to increase or reduce the cultivation benches 10. It is convenient to increase or decrease the cultivation bench 10 depending on the type and variety of the crop. The contact frame 19 is not limited to the illustrated structure. It protrudes from each cultivation bench 10 so that it can open a space | interval suitably along the longitudinal direction (vertical direction) of each guide apparatus 20A, 20B between the adjacent cultivation bench 10 in the state contact | abutted to the adjacent cultivation bench 10. FIG. Any structure can be used.

  The frame frame 11 includes the above-described upper frame frame 12 and lower frame frame 18, and a plurality of vertical frames 15 that connect the upper and lower frame frames 12, 18. The vertical frames 15 are arranged at appropriate intervals along the horizontal direction in which the front and rear longitudinal sides of the upper and lower frame frames 12 and 18 extend. Each vertical frame 15 is formed in a hollow pipe shape. The lower end side of each vertical frame 15 is fixed to the upper surface side of the lower frame frame 18 by welding. The upper end side of each vertical frame 15 is welded and fixed to the upper frame frame 12 while penetrating the upper frame frame 12. The upper end surface of each vertical frame 15 opens upward.

  As shown in FIG. 15, on the longitudinal side portions of the front and rear sides of the frame body 11, a support column support body that supports a vertically long attracting bar 16 that attracts a crop stem and / or stem is attached. In the embodiment, each vertical frame 15 also serves as a support column. That is, it is possible to insert and attach the attracting bar 16 to each vertical frame 15 so that the pulling bar 16 can be inserted and removed from the upper end opening 15 a into the vertical frame 15. Of course, it is also possible to attach a bottomed cylindrical column support to the frame 11.

  According to said structure, since the support | pillar support body 15 which supports the elongate attracting rod 16 which attracts the stalk and / or trunk of a crop is attached to the longitudinal side part side before and behind the frame frame 11, each cultivation bench There is no possibility that the attracting rod 16 will fall down due to vibration or the like during the movement of 10, and the attracting rod 16 can be stably supported on each cultivation bench 10. Therefore, when growing plants such as tomatoes and cucumbers to be grown using the attracting bar 16 in the mobile cultivation apparatus 1, the growth of the crops can be surely supported. Since the mobile cultivation apparatus 1 can efficiently cultivate not only strawberries and spinach but also tomatoes and cucumbers, the application range of the mobile cultivation apparatus 1 is widened, and the versatility of the mobile cultivation apparatus 1 can be improved.

  The frame body 11 includes a rectangular frame-shaped upper frame frame 12 constituting the upper surface side, a rectangular frame-shaped lower frame frame 18 constituting the lower surface side, and a plurality of vertical frames that connect the upper and lower frame frames 12, 18. Since each vertical frame 15 is formed in a hollow shape and has an upper end opened upward and also serves as a column support, there is no need to provide a column support separately. The structure of the frame frame 11 can be simplified by using the vertical frame 15 which is a strength member of the frame frame 11 effectively. Costs can be reduced by reducing the number of parts of the frame body 11.

  Further, since the attracting bar 16 is removably inserted into and attached to each vertical frame 15, for example, in the cultivation of an unnecessary crop such as a strawberry or spinach, the attracting bar 16 can be pulled out and removed. Good. Therefore, it can contribute to the expansion of the application range of the mobile cultivation apparatus 1.

  As shown in FIG.6 and FIG.15, the cultivation bench 10 of embodiment is connected to the irrigation tube 81 and the irrigation tube 81 as a tube body extended horizontally right and left on the said cultivation bench 10, and guide apparatus 20A, 20B. And a water injection pipe 82 extending along the longitudinal direction. The irrigation tube 81 is formed with a plurality of discharge ports (not shown) arranged at appropriate intervals along the longitudinal direction. Water is irrigated from the discharge ports of the irrigation tube 81 to the medium and plants in the planter 2 of the cultivation bench 10.

  Water injection pipes 82 are connected to the left and right ends of the irrigation tube 81. Therefore, two water injection pipes 82 are assembled on one cultivation bench 10. Each water injection pipe 82 is fixed to the frame body 11 of the cultivation bench 10. At both front and rear ends of each water injection pipe 82, pipe joints 83 that can be attached and detached by moving the cultivation bench 10 group along the guide devices 20A and 20B are provided. The pipe joint 83 includes a plug 84 provided at one end of the front and rear of the water injection pipe 82 and a socket 85 provided at the other front and rear end of the water injection pipe 82. For example, by inserting the plug 84 of the water injection pipe 82 in the cultivation bench 10 on the downstream side in the row direction into the socket 85 of the water injection pipe 82 in the cultivation bench 10 on the upstream side in the row direction, the adjacent water injection pipes 82 and thus each guide device 20A. , 20B, the water injection pipes 82 of the cultivation bench 10 lined up are connected to each other, and each cultivation bench 10 is irrigated from each of the water injection pipes 82 via the watering tubes 81 (see FIGS. 9 and 10). .

  The plug 84 of the pipe joint 83 has a cylindrical shape as a whole. As shown in FIG. 16, a lock groove 84a having a trapezoidal cross section in which both side surfaces in the longitudinal direction are inclined in a taper shape is formed on the outer peripheral side of the middle part in the longitudinal direction of the plug 84. A normally closed on-off valve 84b is provided on the distal end side of the inner periphery of the plug 84. The on-off valve 84b is brought into an open state by coming into contact with the on-off valve 85b provided on the socket 85 side. A water injection pipe 82 is connected to the proximal end side of the inner periphery of the plug 84. A lock ball 85a is held at the distal end side of the socket 85 so as to be displaceable in the radial direction. A normally closed on-off valve 85b is provided on the tip end side of the inner periphery of the socket 85. The on-off valve 85b is brought into an open state by coming into contact with the on-off valve 84b provided on the plug 84 side.

  When the plug 84 is inserted into the socket 85, the lock ball 85a is engaged with the lock groove 84a of the plug 84, and the plug 84 and the socket 85 are locked in the connected state. At this time, the on-off valves 84b and 85b of the both 84 and 85 are brought into contact with each other and opened, and the connected water injection pipes 82 communicate with each other. When the plug 84 is pulled out from the socket 85, the engagement between the lock ball 85a and the lock groove 84a is released, and the plug 84 and the socket 85 are separated. At this time, both the on-off valves 84b and 85b are separated and closed.

  Next, the detailed structures of the conveyors 40A and 40B and the guide devices 20A and 20B will be described with reference to FIGS. As described above, the pair of transport conveyors 40A and 40B and the pair of guide devices 20A and 20B are configured in a closed loop to circulate and transport the plurality of cultivation benches 10.

  The basic structure of both conveyors 40A and 40B is the same. Each conveyor 40A (40B) is provided with two horizontally long conveyor frames 47 supported by a plurality of legs. A pair of drive sprockets 42 and a pair of driven sprockets 43 are rotatably supported between the left and right ends of both conveyor frames 47. Between the two conveyor frames 47, two substantially parallel conveyor chains 41 are arranged via drive and driven sprockets 42 and 43. The conveyor chain 41 is wound around driving and driven sprockets 42 and 43. A conveyor motor 45A (45B) is connected to the drive shaft of the drive sprocket 42 via a chain and a sprocket transmission system so that power can be transmitted, and the two substantially parallel conveyor chains 41 are synchronized by the conveyor motor 45A (45B). Are configured to rotate in the same direction.

  On both conveyor chains 41, mounting plates 46 on which the wheels 13 of the cultivation bench 10 delivered from each guide device 20A (20B) are placed are attached at appropriate intervals. In a state where each wheel 13 of the cultivation bench 10 is placed on the corresponding mounting plate 46, the conveyance motors 45A (45B) rotate and drive the pair of conveyor chains 41 so that each conveyance conveyor 40A (40B) is a cultivation bench. 10 is conveyed in the horizontal direction.

  In the embodiment, a near-side space (in particular, a near-side space near the second guide device 20B) of the near-side transport conveyor 40A is set as a worker's work space. The worker can perform various operations (for example, harvesting operation, weeding operation, pruning operation, planter 2 replacement operation, etc.) in the operation space. Moreover, the irrigation apparatus 31 which spreads water toward the cultivation bench 10 conveyed by the horizontal direction by each conveyance conveyor 40A (40B) is arrange | positioned in the longitudinal middle part of both conveyance conveyors 40A and 40B.

  Furthermore, the control apparatus 32 (chemical solution spraying apparatus) is arrange | positioned in the position which is the furthest away from the work space in the mobile cultivation apparatus 1, ie, the back side conveyor 40B side. The control device 32 is for spraying a control agent or a chemical solution toward the cultivation bench 10 that is transported in the lateral direction by the back-side transport conveyor 40B. The control apparatus 32 of embodiment is arrange | positioned in the longitudinal middle part of the back | side conveyance conveyor 40B. Therefore, it is excellent at the point which can prevent reliably that a control agent and a chemical | medical solution adhere to the worker in a work space.

  On the other hand, the basic structure of both guide devices 20A and 20B is the same. Each of the guide devices 20A and 20B includes a plurality of guide rails 35 (four in the embodiment) on which the frame 13 of the cultivation bench 10 travels. The guide rail 35 group is arranged at intervals in the left-right direction (lateral direction), and is supported by a framework composed of a large number of columns and horizontal frames. Each guide rail 35 is formed in a V-shape that is bent upward in the front-rear direction (longitudinal direction) and opened upward as viewed from the longitudinal direction. Such a guide rail 35 having a V-shaped cross section can easily guide the plurality of cultivation benches 10 to the respective conveyors 40A (40B) without removing the wheels 13.

  In the lower part of the transport upstream side of each guide device 20A (20B), the cultivation bench 10 moved to the transport downstream side of each transport conveyor 40A (40B) is directed vertically toward the guide device 20A (20B) facing it. As a means for carrying, a retracting device 21A (21B) is provided. In the embodiment, in order to circulate and convey the cultivation bench 10 in a clockwise direction in plan view in FIG. 1, the feeding side pull-in device 21 </ b> A is provided at the lower portion on the near side of the first guide device 20 </ b> A, and the lower portion on the far side of the second guide device 20 </ b> B. The return side retracting device 21B is arranged. Then, the return-side retracting device 21B is sent to the lower portion on the back side of the first guiding device 20A and the lower portion on the near side of the second guiding device 20B so as to cope with the counter-clockwise circulating conveyance in FIG. A side pull-in device 21A is arranged. That is, the drawing-in devices 21A and 21B that are in a positional relationship on a diagonal line in the plan view of FIG.

  In the following, for convenience of explanation, each drawing-in device 21A (21B) corresponding to the circular conveyance in a plan view of FIG. 1 will be described as an example. The basic structure of each of these retracting devices 21A (21B) is the same. As shown in FIGS. 3 and 4, each drawing-in device 21A (21B) includes a pair of engaging claws 51 that can be engaged and disengaged from below with the cultivation bench 10 on the corresponding transport conveyor 40A (40B), and each engagement device. As an elevating electromagnetic solenoid 52 as an engagement / disengagement actuator for engaging / disengaging the joint claw body 51 to / from the cultivation bench 10, and a reciprocating actuator for reciprocating both engagement claw bodies 51 in the vertical direction along the guide device 20A (20B). The air cylinder 53 is provided.

  In the embodiment, a pair of front and rear beam frames 55 extending in the lateral direction are bolted to the upstream side of conveyance of the pair of horizontal frames 54 that are the framework of each guide device 20A (20B). A cylinder mount 56 is fixed to both beam frames 55 by welding or the like. On the cylinder mount 56, an air cylinder 53 is provided in a state where the piston rod 57 is positioned away from the transport downstream side of each transport conveyor 40A (40B). Each horizontal frame 54 is positioned below the inner two of the four guide rails 35.

  Round bar-like slide bars 58 extending in the vertical direction are arranged on both the left and right sides of the air cylinder 53. In this case, the base end sides of the horizontal beam brackets 59 (four in the embodiment) projecting outward in the left-right direction are fixed to the front and rear side ends of the cylinder mount 56. A bar support plate 60 is erected on the front end side of each horizontal rail bracket 59. Front and rear end portions of one of the left and right slide bars 58 are fixed to a pair of bar support plates 60 on one side of the left and right sides of the air cylinder 53, and a pair of bar support plates 60 on the other side of the left and right sides The front and rear ends of the slide bar 58 are fixed. Both slide bars 58 are arranged in parallel in the vertical direction.

  A slider 61 (see FIGS. 7 to 12) is slidably fitted on each slide bar 58. A flat plate-shaped moving plate 62 is attached to the upper surface side of both sliders 61. A portion between the sliders 61 on the lower surface side of the moving plate 62 is connected to the distal end side of the piston rod 57 in the air cylinder 53 via a connecting rod 63. Accordingly, the moving plate 62 is configured to reciprocate in the vertical direction along the slide bars 58 by the expansion and contraction of the piston rod 57 in the air cylinder 53.

  Engaging claw bodies 51 are arranged on the left and right ends of the upper surface of the moving plate 62 so as to be vertically rotatable. A shaft support 64 is erected on the left and right corners of the upper surface of the moving plate 62 far from the downstream side of the conveyors 40A (40B). The base end side of the main body arm 65 in the engaging claw body 51 is pivotally supported by the pivotal support member 64 via the pivotal support pin shaft 66. The main body arm 65 of the engaging claw body 51 extends so as to approach the transport downstream side of each transport conveyor 40A (40B). A claw portion 67 detachably attached to the lower frame 18 of the cultivation bench 10 on each conveyor 40A (40B) is provided on the distal end side of the main body arm 65.

  The claw portions 67 of the both engaging claw bodies 51 are positioned above the conveyance downstream side of each conveyance conveyor 40A (40B) with the piston rod 57 of the air cylinder 53 shortened, and each conveyance conveyor 40A (40B). And the lower frame 18 of the cultivation bench 10. In a state where the piston rod 57 of the air cylinder 53 is extended, the claw portions 67 of the both engagement claw bodies 51 are moved away from the conveyance downstream side of each conveyance conveyor 40A (40B). Each retracting device 21A (21B) holds the piston rod 57 of the air cylinder 53 in an extended state in a standby state (which may be referred to as an initial state) in which the cultivation bench 10 is not conveyed in the vertical direction. This is because the claw portions 67 of both engaging claw bodies 51 do not interfere with the cultivation bench 10 that is in the middle of conveyance on each conveyance conveyor 40A (40B) (does not get caught) of each conveyance conveyor 40A (40B). This is to keep away from the downstream side of the conveyance.

  As shown in FIG. 5, lift electromagnetic solenoids 52 are provided at the left and right corner portions of the lower surface of the moving plate 62 that are closer to the transport downstream side of each transport conveyor 40A (40B). The lifting rod 68 of each lifting electromagnetic solenoid 52 protrudes upward and passes through the moving plate 62. The tip end side of each lifting rod 68 is connected to the midway portion of the main body arm 65 in the corresponding engaging claw body 51. Each engagement claw body 51 is configured to rotate up and down around the pivot pin shaft 66 by the up and down movement of the up and down rod 68 in the corresponding up and down electromagnetic solenoid 52. That is, by the vertical rotation of both engaging claws 51, the claw portion 67 is engaged with the lower frame frame 18 of the cultivation bench 10 on each conveyance conveyor 40A (40B), or the lower frame frame 18 and the claw portion 67 are engaged. Or disengagement.

  The cultivation bench 10 that has moved to the conveyance downstream side of the conveyance conveyor 40A (40B) is transferred to the guide device 20B (20A) that faces it, or the cultivation bench 10 that is on the conveyance downstream side of the one conveyance conveyor 40A (40B). When connecting the water injection pipe 82 (the socket 85 of the pipe joint 83) to the water injection pipe 82 (the plug 84 of the pipe joint 83) of the cultivation bench 10 on the most upstream side of the guide device 20B (20A), one pull-in is performed. The piston rod 57 of the air cylinder 53 in the device 21 </ b> A (21 </ b> B) is shortened, and the claw portions 67 of the both engaging claw bodies 51 enter between the respective conveyors 40 </ b> A (40 </ b> B) and the lower frame frame 18 of the cultivation bench 10. (See FIGS. 7 and 10). Next, the lifting rods 68 of both lifting electromagnetic solenoids 52 are moved up to rotate the both engaging claws 51 upward, so that one of the lower frame frames 18 of the cultivation bench 10 has claw portions 67 of the both engaging claws 51. Are engaged from below (see FIGS. 8 and 11).

  Then, the piston rod 57 of each air cylinder 53 is extended in a state in which the engagement between the lower frame frame 18 and both the claw portions 67 is maintained, and the cultivation bench 10 on one transport conveyor 40A (40B) is guided. The lower frame 18 of the cultivation bench 10 that has been pulled toward 20A (20B) and was on the side of one of the conveyors 40A (40B) is brought into contact with the contact frame 19 of the cultivation bench 10 on the guide device 20A (20B) side ( It is made to contact | abut to the horizontal pipe part 19a (refer FIG.9 and FIG.12). As a result, the plurality of cultivation benches 10 on the guide device 20A (20B) successively collide in a ball shape.

  The water injection pipe 82 (the socket 85 of the pipe joint 83) of the cultivation bench 10 on the transport downstream side of the transport conveyor 40A (40B) is connected to the water injection pipe 82 (the pipe joint of the cultivation bench 10 on the most upstream side of the guide device 20B (20A). When connecting to the plug 84) of 83, the blocking plate 26 of the stopper member 25 described later is protruded upward, and the movement of the cultivation bench 10 on the most downstream side of the guide device 20B (20A) is forcibly stopped. For this reason, as the cultivation bench 10 group on each guide device 20A, 20B collides one after another in a ball shape, adjacent water injection pipes 82 and by extension, the water injection tube of the cultivation bench 10 lined up on each guide device 20A, 20B. All 82 groups will be connected.

  When the cultivation bench 10 on the conveyance downstream side of one conveyance conveyor 40A (40B) is transferred to the guide device 20B (20A) (the cultivation bench 10 group is circulated and moved), the cultivation bench on each of the guidance devices 20A and 20B. As a result of the ten groups colliding one after another in the form of a ball, the cultivation bench 10 at the most downstream side of the guide device 20B (20A) is finally pushed out to the transport upstream side of the other transport conveyor 40B (40A). In this case, a blocking plate 26 of the stopper member 25 described later is retracted by retracting downward.

  That is, after both the engaging claw bodies 51 are engaged with the cultivation bench 10 by driving both the lifting electromagnetic solenoids 52, the both guiding claw bodies 51 are driven downstream of the guide device 20A (20B) by driving the air cylinder 53. The plurality of cultivation benches 10 on the guide device 20A (20B) are conveyed in a ball shape by being moved toward the direction.

  Thereafter, the lifting rods 68 of the both lifting electromagnetic solenoids 52 are moved downward to rotate the both engaging claws 51 downward, so that one lower frame frame 18 of the cultivation bench 10 and the claws 67 of the both engaging claws 51 (See the two-dot chain line state in FIGS. 10 and 12). In addition, in embodiment, when the adjacent cultivation bench 10 is conveyed in a ball shape, on the 1st guide apparatus 20A, the lower frame frame 18 back side of the cultivation bench 10 of conveyance upstream is the cultivation bench 10 of conveyance downstream. Abutment frame 19 (lateral pipe portion 19a). On the second guide device 20B, the contact frame 19 (lateral pipe portion 19a) of the cultivation bench 10 on the transport upstream side contacts the back side surface of the lower frame frame 18 of the cultivation bench 10 on the transport downstream side.

  On the upstream side of each conveyor 40A (40B), a regulating bar body 23 that regulates the vertical conveyance (collision conveyance) of the cultivation bench 10 delivered from the most downstream side of each guide device 20A (20B) is detachable. Is attached.

  In the embodiment, each cultivation bench 10 is placed on the mobile cultivation device 1 (each conveyance conveyor 40A (40B) and each guide device 20A (20B)) in a posture where the contact frame 19 faces the front conveyance conveyor 40A. For this reason, the restriction bar body 23 of the front-side transport conveyor 40A is attached in a posture that protrudes to the front side in a plan view because of contact with the contact frame 19. The restriction bar body 23 of the back-side transport conveyor 40B is attached in a posture that overlaps with the back-side transport conveyor 40B in a plan view because of contact with the lower frame frame 18 of the cultivation bench 10 instead of the contact frame 19.

  Further, for the purpose of dealing with both the clockwise and counterclockwise circulating conveyances in the plan view of FIG. 1, the restriction bar body 23 is arranged not only on the conveyance upstream side but also on the conveyance downstream side of each conveyance conveyor 40A (40B). Has been. In the embodiment, a total of four regulation bar bodies 23 are arranged, two on the conveyance upstream side of each conveyance conveyor 40A (40B) and two on the conveyance downstream side.

  When the cultivation bench 10 on the most downstream side of each guide device 20A (20B) is transferred to the other conveyance conveyor 40B (40A) by the ball crush conveyance, the bottom side of the lower frame frame 18 of the cultivation bench 10 on the most downstream side or abutment. With the frame 19 (the horizontal pipe portion 19a) abutting against the regulating bar body 23 and the wheels 13 of the most downstream cultivation bench 10 are placed on the placement plate 46, the other conveyance conveyor 40B (40A) is conveyed. Stop upstream. That is, it can be surely transferred to a fixed position on each conveyor 40B (40A).

  Thereafter, the cultivation bench 10 is moved to the conveyance downstream side by driving each conveyance conveyor 40B (40A). At this time, each of the cultivation benches 10 in the cultivation bench 10 due to the presence of the restriction bar bodies 23 on the conveyance upstream side and conveyance downstream side. The cultivation bench 10 is guided along the regulating bar body 23 to the downstream side of the conveyance while preventing the displacement in the vertical direction perpendicular to the conveyance conveyor 40B (40A). Therefore, the cultivation bench 10 can be smoothly conveyed in the horizontal direction in a suitable posture on each conveyance conveyor 40B (40A).

  As shown in FIGS. 1, 10, and 11, a water supply pump 86 that supplies water to the water injection pipes 82 on the left and right outer sides of the cultivation bench 10 in the place is arranged on the downstream side of the conveyance conveyors 40 </ b> A and 40 </ b> B. . The water supply pump 86 is supplied with a water supply source (not shown) such as a water tank or a water pipe and a hot water supply source such as a hot water tank or well water (not shown) via a supply source switching valve 77 (see FIG. 14) described later. (Not shown). The hot water tank is a tank that stores hot water heated by a heat pump, a tank charging type heater, or the like. Further, the water supply pump 86 has a discharge port portion 87a that can be connected to a pipe joint 83 (a plug 84 or a socket 85) of a water injection pipe 82 on the left and right outer sides of the cultivation bench 10 on the transport downstream side of the transport conveyors 40A and 40B. A telescopic pipe 87 is provided. The expansion pipe 87 is connected to the piston side of a water injection air cylinder 88 as an actuator. The cylinder side of the water injection air cylinder 88 is fixed to a water supply pump 86.

  As shown in FIG. 10, in a state where the circulation movement of the cultivation bench 10 group is stopped, the cultivation on the downstream side of conveyance of each of the conveyance conveyors 40 </ b> A and 40 </ b> B due to the expansion of the expansion pipe 87 due to the expansion movement of the water injection air cylinder 88. The discharge port portion 87a of the expansion and contraction pipe 87 is connected to the pipe joint 83 (plug 84) of the water injection pipe 82 on the left and right outer sides of the bench 10. Then, the water supply pump 86 is driven to irrigate the cultivation benches 10 through the irrigation tubes 81 from the irrigation pipes 82 group. As shown in FIG. 11, when starting the circulation movement of the cultivation bench 10 group, the cultivation bench on the conveyance downstream side of each conveyance conveyor 40A, 40B by the shortening of the telescopic pipe 87 by the shortening movement of the water injection air cylinder 88. 10. The connection between the pipe joint 83 (plug 84) of the water injection pipe 82 on the left and right outer sides and the discharge port 87a of the expansion pipe 87 is released. 7 to 9 and the like, illustration of the water supply pump 86, the expansion pipe 87, and the water injection air cylinder 88 is omitted for convenience of explanation.

  The pipe joint 83 (plug 84 and socket 85) of adjacent water injection pipes 85 is connected by carrying out the vertical direction conveyance (ball-throwing conveyance) of the cultivation bench 10 group by drawing-in apparatus 21A, 21B. That is, a blocking plate 26 of a stopper member 25 described later is protruded upward, the movement of the cultivation bench 10 on the most downstream side of the guide device 20B (20A) is forcibly stopped, and each guide is provided by driving the drawing devices 21A and 21B. The cultivation benches 10 on the apparatuses 20A and 20B are made to collide one after another in a ball shape, and the water injection pipe 82 (the socket 85 of the pipe joint 83) of the cultivation bench 10 on the conveyance downstream side of one conveyance conveyor 40A (40B) is guided. It connects with the water injection pipe 82 (plug 84 of the pipe joint 83) of the cultivation bench 10 in the uppermost stream side of the apparatus 20B (20A), and eventually all the water injection pipes 82 of the cultivation bench 10 lined up on each guide apparatus 20A, 20B. Connect.

  In addition, it replaces with the expansion-contraction pipe 87a, a bellows pipe is connected to a water supply pump, the discharge | emission opening part of a bellows pipe is rock | fluctuated by a link mechanism, and the cultivation bench 10 in the conveyance downstream side of each conveyance conveyor 40A, 40B right and left outer side You may comprise so that it can connect with the pipe joint 83 of the water injection pipe 82 so that attachment or detachment is possible.

  As shown in FIGS. 1 and 13, a stopper member 25 that restricts the movement of the cultivation bench 10 is disposed on the most downstream side of the left and right guide devices 20. The stopper member 25 includes a blocking plate 26 that can move up and down in the vertical direction by driving an actuator (not shown) such as a solenoid or an air cylinder. When the blocking plate 26 connects the water injection pipe 82 of the cultivation bench 10 on the conveyance downstream side of the conveyance conveyor 40A (40B) to the water injection pipe 82 of the cultivation bench 10 on the most upstream side of the guide device 20B (20A), At the time of circulating movement of the cultivation bench 10 group, in pushing out the cultivation bench 10 on the most downstream side of the guide device 20B (20A) to the conveyance upstream side of the other conveyance conveyor, the water injection pipe 82 of the most downstream cultivation bench 10; It is used to release the connection with the water injection pipe 82 of the cultivation bench 10 immediately before the most downstream.

  When the most downstream cultivation bench 10 passes through the stopper member 25 during the vertical conveyance (ball-carrying conveyance) of the cultivation bench 10 group at the time of the circular movement, when the restriction posture is made such that the blocking plate 26 protrudes upward, the most downstream. The longitudinal side of the lower frame 18 of the cultivation bench 10 in front of it and the corresponding blocking plate 26 come into contact with each other, and the cultivation bench 10 in the immediately downstream side moves toward the transport conveyors 40A and 40B. To prevent it. The most downstream cultivation bench 10 is transferred to the conveyance upstream side of the other conveyance conveyor 40B (40A) by inertia, but the cultivation bench 10 immediately before the most downstream is forcibly stopped. The pipe joint 83 (plug 84 and socket 85) that connects the water pipes 82 is pulled apart, and the most downstream cultivation bench 10 and the most downstream cultivation bench 10 are separated forward and backward in the conveying direction across the blocking plate 26. become. As a result, each conveyor 40A (40B) can transport the transferred cultivation bench 10 independently in the lateral direction.

  Moreover, as mentioned above, when connecting the water injection pipe 82 of the cultivation bench 10 in the conveyance downstream side of the conveyance conveyor 40A (40B) to the water injection pipe 82 of the cultivation bench 10 in the uppermost stream side of the guide device 20B (20A). The blocking plate 26 of the stopper member 25 protrudes upward, the movement of the cultivation bench 10 on the most downstream side of the guide device 20B (20A) is forcibly stopped, and the cultivation bench 10 group on each guide device 20A, 20B As the balls project one after another, the adjacent water injection pipes 82 and the water injection pipes 82 of the cultivation bench 10 lined up on the guide devices 20A and 20B are all connected.

  Next, the structure of the pneumatic circuit 70 of the mobile cultivation apparatus 1 will be described with reference to FIG. The pneumatic circuit 70 of the mobile cultivation apparatus 1 includes a compressor 71 that supplies high-pressure air to the air cylinder 53 and the air cylinders 53 of the respective retractors 21A (21B). In addition, in FIG. 11, illustration of the air cylinder 53 of each drawing-in device 21A (21B) with respect to the circulation conveyance counterclockwise in plan view of FIG. 1 is omitted.

  The compressor 71 and each air cylinder 53 are connected via a 5-port 3-position switching type direction switching electromagnetic valve 72. The direction switching electromagnetic valve 72 has a pair of electromagnetic solenoids 73 electrically connected to a controller 75 as control means. The direction switching electromagnetic valve 73 includes an extension position for extending the piston rod 57 of the air cylinder 53 by an excitation of each electromagnetic solenoid 73 based on a command from the controller 75, a stop position for stopping the operation of the piston rod 57, and a piston. The rod 57 is configured to be switched to a shortened position where the rod 57 is shortened.

  The controller 75 as a control means performs drive control of each conveyance conveyor 40A (40B) and each drawing-in apparatus 21A (21B) regarding the circulation conveyance of the cultivation bench 10 group. The controller 75 includes a pair of left and right electromagnetic solenoids 52 as engaging / disengaging actuators, a first motor driver 74A for the first transport motor 45A of the front transport conveyor 40A, and a second transport motor 45B for the rear transport conveyor 40B. The two-motor driver 74B and the pair of electromagnetic solenoids 73 of each direction switching electromagnetic valve 72 described above are connected.

  Moreover, the controller 75 as a control means performs a warm water supply process. With the hot water supply process, while the temperature around the mobile cultivation apparatus 1 is lower than the predetermined temperature, the water supply pump 86 continues to the cultivation benches 10 through the irrigation pipes 82 and the irrigation tubes 81 of the cultivation benches 10 or This is a process of intermittently supplying hot water. Specifically, for example, when the mobile cultivation apparatus 1 is installed in a greenhouse, while the room temperature of the greenhouse is below 10 ° C, warm water of about 15 ° C is supplied from the water supply pump 86 to each cultivation bench 10. Supply continuously or intermittently. As a result, it is possible to locally increase the air temperature and soil temperature (temperature in the planter 2) in the vicinity of the crop in the mobile cultivation apparatus 1, efficiently enabling multiple germination and multiple harvesting throughout the year, and thermal energy. Can be efficiently used for growing crops.

  In order to realize the hot water supply process as described above, the controller 75 is connected to a temperature sensor 76, a supply source switching valve 77, and a water supply pump 86. The temperature sensor 76 is a sensor for detecting the temperature around the mobile cultivation device 1 and is installed, for example, above the mobile cultivation device 1. The supply source switching valve 77 is a valve for selectively switching the supply source to the water supply pump 86 between the water supply source and the hot water supply source.

  FIG. 17 is a flowchart showing the flow of hot water supply processing by the controller 75. First, the controller 75 acquires the current temperature (for example, the room temperature of the greenhouse) from the temperature sensor 76 (S01), and determines whether or not the temperature is less than 10 ° C. (S02). And when temperature becomes less than 10 degreeC (S02: Yes), about 15 degreeC warm water is continuously supplied to each planter 2 through the water supply pump 86. FIG. Specifically, the supply source switching valve 77 is controlled to switch the supply source to the water supply pump 86 from the water supply source to the hot water supply source, and the water supply pump 86 is driven to supply hot water from the hot water supply source. The water is continuously supplied to each planter 2 through the water injection pipe 82 and the irrigation tube 81 of each cultivation bench 10.

  Then, the controller 75 acquires the current temperature from the temperature sensor 76 (S04), and determines whether or not the temperature is 10 ° C. or higher (S05). And when temperature becomes 10 degreeC or more (S05: Yes), supply of the warm water to each planter 2 is stopped. In this case, the water supply source to each planter 2 is switched.

  In the present embodiment, water or hot water is selectively supplied to the water supply pump 86 by the supply source switching valve 77. However, the present invention is not limited to this. For example, a water supply source such as a water tank or a water pipe is used. A configuration may be adopted in which water supplied to the water supply pump 86 is heated as necessary.

  Moreover, in this embodiment, while the temperature detected by the temperature sensor 76 is less than 10 degreeC, although the hot water of about 15 degreeC is supplied to each cultivation bench 10 from the water supply pump 86, it is not restricted to this, While the temperature detected by the temperature sensor 76 exceeds a predetermined value (corresponding to the third temperature, for example, about 25 ° C.) (that is, when the temperature around the mobile cultivation device 1 is too hot), the temperature near the crop Then, cold water is supplied from the water supply pump 86 to each cultivation bench 10 so that the soil temperature or the temperature of the plant base becomes an appropriate temperature, and the temperature in the vicinity of the crop, the soil temperature or the temperature of the plant base is locally determined. It may be lowered. The cold water in this case is about 20 ° C. (corresponding to the fourth temperature).

  As is clear from the above description and FIGS. 1, 6, 9 and 10, the pair of transport conveyors 40A and 40B arranged in parallel with the transport directions opposite to each other, and between the transport conveyors 40A and 40B. A pair of transfer devices that form a closed loop with the pair of guide devices 20A and 20B connecting the two, and move the cultivation bench 10 on each of the transport conveyors 40A and 40B toward the guide devices, 20A and 20B on the downstream side of the transport. The devices 21A and 21B are provided, and the plurality of cultivation benches 10 on the guide devices 20A (20B) are conveyed in a ball shape by driving the transfer devices 21A and 21B, and the plurality of cultivation benches 10 in the closed loop. In the mobile cultivation apparatus 1 that circulates, the tube body 81 extending along the longitudinal direction on the cultivation bench 10 and the tube body 81 are in contact with each other. And a water injection pipe 82 extending along the longitudinal direction of each guide device 20A (20B), and a pipe joint 83 removable by movement of the cultivation bench 10 group along each guide device 20A (20B). Since the water injection pipes 82 are connected to each other and water is supplied to the tube bodies 81 from the water injection pipes 82, the plurality of cultivation benches 10 are circulated in the closed loop. Even if the cultivation bench 10 group is not circulated (with the cultivation bench 10 group stopped), the cultivation bench 10 is irrigated from the irrigation pipe 82 group via the irrigation tubes 81. It is possible to perform irrigation work suitable for crop growth easily and without trouble.

  In the mobile cultivation apparatus 1 of the present invention, for example, as shown in FIG. 18, the water injection pipes 82 of the cultivation benches 10 may be provided only on the left and right sides. In the case of the first different example shown in FIG. 18, a set of a water supply pump 86, an expansion pipe 87 and a water injection air cylinder 88 is disposed on the downstream side of the conveyance conveyor 40A, and the conveyance direction of the other conveyance conveyor 40B is halfway. What is necessary is just to arrange | position the group of the water supply pump 86, the expansion-contraction pipe 87, and the air cylinder 88 for water injection in a part. Other configurations are the same as those of the previous embodiment.

  In FIG. 19, the 2nd another example of the mobile cultivation apparatus 1 is shown. The second example is a modification of the first example shown above. In the second alternative example, as a tube body extending horizontally horizontally on the cultivation bench 10, a hollow cylindrical temperature control tube having no plurality of irrigation outlets arranged at appropriate intervals along the longitudinal direction thereof. 181 is adopted. A water injection pipe 82 is provided on one of the left and right sides of the temperature control tube 181, and a discharge port is opened on the left and right sides of the temperature control tube 181. The discharge port faces the recovery tanks 30 </ b> A and 30 </ b> B. The water or hot water supplied into the temperature control tube 181 is finally recovered in the recovery tanks 30A and 30B from the discharge port. The temperature control tube 181 is attached to the stock part of the crop planted on the cultivation bench 10 (see, for example, FIG. 15). For this reason, warm water can be supplied to each temperature control tube 181 from the irrigation pipes 82 group, and the heating operation of the plant base part suitable for the growth of the crop planted on each cultivation bench 10 can be performed easily and without trouble. The temperature in the vicinity of the crop, the soil temperature, or the temperature at the base of the crop in the mobile cultivation device 1 can be locally adjusted, enabling multiple germination and multiple harvesting efficiently throughout the year, and efficiently using thermal energy for growing the crop. it can. For example, a strawberry crown (shortened stem) can be heated by each temperature control tube 181 to promote differentiation of flower buds and increase the yield of strawberry.

  The present invention is not limited to the above-described embodiment, and can be embodied in various forms. The configuration of each other part is not limited to the illustrated embodiment, and various modifications can be made without departing from the spirit of the present invention.

DESCRIPTION OF SYMBOLS 1 Mobile cultivation apparatus 10 Cultivation bench 11 Frame frame 12 Upper frame frame 15 Vertical frame 16 Attraction rod 18 Lower frame frame 19 Contact frame 20A, 20B Guide device 21A, 21B Retraction device 23 Restriction bar body 40A, 40B Conveyors 45A, 45B Conveying motor 51 Engaging claw body 52 Elevating electromagnetic solenoid 53 Air cylinder 70 Pneumatic circuit 71 Compressor 81 Irrigation tube 82 Water injection pipe 83 Fitting 84 Plug 85 Socket 86 Water supply pump 87 Telescopic pipe 88 Water injection air cylinder

Claims (6)

A closed loop is formed by a pair of transport conveyors arranged in parallel with the transport directions opposite to each other, and a pair of guide devices connecting the two transport conveyors, and the cultivation bench on each of the transport conveyors is transported on the downstream side of the transport A pair of transfer devices that move toward the guide device, each of the transfer devices being driven to convey a plurality of cultivation benches on each guide device in a ball shape, and the plurality of cultivation benches in the closed loop In the mobile cultivation device that circulates
Each said cultivation bench is provided with the tube body extended along the longitudinal direction on the said cultivation bench, and the water injection pipe connected to the said tube body and extended along the longitudinal direction of each said guide apparatus, Each said guidance apparatus The water injection pipe group is connected through a pipe joint that can be attached and detached by movement of the cultivation bench group along, and water is supplied to the tube bodies from the water injection pipe group,
The mobile cultivation device includes a control unit that supplies water at a predetermined temperature from the water injection tube group to the tube bodies while a temperature indicated by a temperature sensor installed around the mobile cultivation device satisfies a predetermined condition. Prepare
Mobile cultivation equipment. The pipe joint is provided with an open / close valve that opens in a state where the adjacent water injection pipes are connected to each other, and closes in a separated state.
The mobile cultivation apparatus according to claim 1. The control means continuously or intermittently supplies hot water having a second temperature higher than the first temperature from the water injection tube group to the tube bodies while the temperature is lower than the first temperature.
The mobile cultivation apparatus according to claim 1 or 2. The control means continuously or intermittently supplies cold water having a fourth temperature lower than the third temperature from the water injection tube group to the tube bodies while the temperature exceeds the third temperature.
The mobile cultivation apparatus according to claim 1 or 2. The tube body is an irrigation tube having a plurality of irrigation outlets arranged at appropriate intervals along the longitudinal direction thereof.
The mobile cultivation apparatus in any one of Claims 1-4. The tube body is a hollow cylindrical temperature control tube that does not have a plurality of irrigation outlets arranged at appropriate intervals along the longitudinal direction thereof, and the temperature control tube is placed on the cultivation bench. Along with the plant base of the planted crop,
The mobile cultivation apparatus in any one of Claims 1-4.

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