CN107432216B

CN107432216B - Plant cultivation device

Info

Publication number: CN107432216B
Application number: CN201610500223.3A
Authority: CN
Inventors: 朴荣焕
Original assignee: Green Plus Co Ltd
Current assignee: Green Plus Co Ltd
Priority date: 2016-05-25
Filing date: 2016-06-30
Publication date: 2020-12-22
Anticipated expiration: 2036-06-30
Also published as: CN107432216A; JP2017209099A; JP6347275B2

Abstract

The present invention provides a plant cultivation apparatus which uses the entire greenhouse area as a space for cultivating plants, enabling mass production. The plant cultivation apparatus according to the present invention includes: a driving means 20 mounted on a truss horizontally crossing the upper part of the greenhouse and composed of a motor 21, a driving shaft 22, a plurality of driven shafts 24 and a turbo reducer 23; a winding drum 31 installed to be lifted and lowered by the driving means and having a spiral shape formed by a winding groove 311, and an iron wire 32 wound around the winding groove at an intermediate portion thereof; a lifting means 30 composed of left and right guide wheels 34, 34' connected with the left side part 32a and the right side part 32b of the iron wire respectively; the lower ends of the left and right parts of the iron wire are respectively bound with a first cultivation groove 40 and a second cultivation groove 40'.

Description

Plant cultivation device

Technical Field

The present invention relates to a plant cultivation apparatus, and more particularly, to a plant cultivation apparatus which makes mass production possible using the entire greenhouse area as a space for cultivating plants.

Background

In the past, when soil cultivation or soilless cultivation is carried out in a greenhouse, an operator channel for sowing, cultivation management or harvesting occupies at least half of the area of the greenhouse, so that the cultivation area is halved, the yield is greatly reduced, the production cost and the consumption price are increased, the cost burden of a producer and a consumer is increased, and the like.

The present patent applicant has been made to solve the above-mentioned problems, and provides a plant cultivation apparatus (korean registered patent No. 10-1251903) comprising: the driving means is composed of a motor fixedly arranged on a truss horizontally crossing the upper part of the greenhouse, a driving shaft arranged to rotate under the driving of the motor and a turbine speed reducer meshed with the driving shaft and horizontally arranged; the moving part is composed of a plurality of roller hooks fixedly arranged at the specified position of the truss, an upper roller and a lower roller which are arranged at the lower part of each roller hook through a shaft, a left moving pipe which horizontally penetrates through the upper roller and the lower roller for supporting and mounting and inserts and fixes the lower end of the turbine speed reducer to the lower end, and a right moving pipe which horizontally penetrates through the upper roller and the lower roller for supporting and mounting and inserts and fixes the right end of the turbine accelerator to the left end; a lifting member composed of a plurality of hooks which are fixedly installed on the truss by a certain distance by the left and right moving pipes penetrating the upper side, a chain wheel or a pulley installed at the lower end of each hook through a shaft, a lifting chain or an iron wire which divides 2 hooks adjacent to each other in the hooks into 1 group and ties the corresponding part of the middle of each group of 2 hooks to the left or right moving pipe and takes the tying fixed part as the reference, so that the left part of the cultivation groove installed at the lower end is connected downwards through the chain wheel or the pulley of the hook at the left side position and the right part of the cultivation groove installed at the lower end is connected downwards through the chain wheel or the pulley of the hook at the right side position; the cultivation grooves are all located at a certain height from the ground on a flat day and horizontally hung at certain intervals, when an operator needs to move to sow, cultivate, manage or harvest, the driving means is started to move the lifting components to the left side or the right side, the lifting components move upwards and downwards in turn, the cultivation grooves hung on the lifting components ascend and descend in turn, channels for the operator to move can be generated among the descending cultivation grooves based on the ascending cultivation grooves, and therefore the whole greenhouse area can be used as a cultivation area, and the yield is doubled.

However, the plant cultivation apparatus of the above-mentioned registered patent uses a plurality of pulley hooks, left and right moving pipes, sprockets or pulleys, and a lifting chain or wire when lifting left and right cultivation tanks in turn to form a passage through which an operator can move based on the lifted cultivation tank, so that there are problems of complicated structure, inconvenience in installation and maintenance management, etc. in addition, the sprockets or pulleys of the lifting chain or wire are installed at the lower ends of the plurality of hooks through shafts, and 2 hooks adjacent to each other among the hooks are set to 1 group, a corresponding portion among the 2 hooks of each group is bound and fixed to the left or right moving pipe, with the binding and fixing portion as a reference, so that the left portion of the cultivation tank installed at the lower end is connected downward through the sprocket or pulley of the left position hook, and the right portion of the cultivation tank installed at the lower end is connected downward through the sprocket or pulley of the right position hook, a long lifting chain or wire must be used, and at this time, the cultivation tank load may cause length deformation, thereby causing a problem of shortened life.

Disclosure of Invention

Technical problem

The present invention has been made in view of these problems, and an object of the present invention is to provide a plant cultivation apparatus which is extremely easy and simple to install and maintain, and which can be used for a long period of time without shortening the life span thereof, and which can significantly reduce the burden of management costs.

Technical scheme

To achieve these objects, the present invention provides a plant cultivation apparatus comprising: a driving means installed on a truss horizontally crossing the upper part of the greenhouse and composed of a motor, a driving shaft, a plurality of driven shafts and a turbine reducer; a plurality of spiral winding drums which are installed to be lifted by the driving means, are fixed to the driven shaft at a predetermined interval in the front-rear direction, and are formed in a winding groove on the outer circumferential surface; the middle part is wound in the middle of the winding groove for a plurality of times, the left side part is downward from the front left side, and the right side part is downward from the back right side; a lifting means composed of left and right guide wheels which are spaced from each other at the same interval from the left and right sides of the fixed position of the reel shaft, vertically mounted left and right brackets with respective upper ends adhered to the lower parts of the corresponding trusses, positioned at the left and right sides of the lower part of the reel, axially mounted at the lower ends of the brackets, and respectively connected with the left and right side parts of the downward iron wire; and the cultivation grooves are respectively tied up and connected with the left side part and the right side part of the iron wire and can be lifted. This plant cultivation device a plurality of cultivation grooves of sunday all are located apart from the certain height position on ground, hang according to certain interval level, and when the operation personnel need remove to sow, cultivation management or results, start the drive means, and the means of going up and down makes a plurality of cultivation grooves rise and descend in turn one by one, so between the cultivation groove that descends based on the cultivation groove formation that rises supplies the passageway that the operation personnel removed to make whole greenhouse area all can be used as cultivation area, make output double.

Advantageous effects

The plant cultivation device according to the embodiment of the present invention is characterized in that the whole greenhouse area can be used as a cultivation area, and in addition, installation and maintenance management are very simple and convenient, and the burden of related costs can be greatly reduced, and at the same time, the device has the effects of being usable for a long time without shortening the life, and the like.

Drawings

FIG. 1 is a schematic front view of a greenhouse part to which a plant cultivation apparatus according to embodiment 1 of the present invention is installed;

FIG. 2 is a schematic side view of the plant growing apparatus of FIG. 1;

FIG. 3 is a schematic plan view of the plant growing apparatus of FIG. 1;

FIG. 4 is an enlarged fragmentary elevational view of a portion of FIG. 1;

FIGS. 5 a-5 c are partially enlarged front, plan and side views of one of the lifting means of FIG. 4;

FIG. 6 is an enlarged partial side view of one of the lifting means and turbine reducer of FIG. 1;

FIG. 7 is a schematic front view of a greenhouse part to which a plant cultivation apparatus according to embodiment 2 of the present invention is installed;

FIG. 8 is a schematic side view of the plant growing apparatus of FIG. 7;

FIG. 9 is a schematic plan view of the plant growing apparatus of FIG. 7;

FIG. 10 is an enlarged fragmentary elevational view of a portion of FIG. 7;

FIG. 11 is an enlarged partial plan view of the drive means and one of the lift means of FIG. 8;

FIG. 12 is a side view of the drive means and lifting means of FIG. 11;

FIG. 13 is a partially enlarged front view of a part of a plant-cultivating device according to embodiment 3 of the present invention;

FIGS. 14a and 14b are partially enlarged front and plan views of one of the lifting means of FIG. 13;

fig. 15a to 15c are side views showing the operation state of the lifting means in fig. 14a and 14 b.

FIG. 16 is a schematic side view of a part of a greenhouse to which a plant cultivation apparatus according to embodiment 4 of the present invention is installed;

FIG. 17 is a schematic plan view of the plant growing apparatus of FIG. 16;

FIG. 18 is an enlarged partial front view of the portion of FIG. 17;

FIGS. 19 a-19 c are enlarged partial front, plan and side views of one of the lift means of FIG. 18;

FIG. 20 is an enlarged partial side view of one of the lifting means and turbine reducer of FIG. 16;

FIG. 21 is a schematic side view of a part of a greenhouse to which a plant cultivation apparatus according to embodiment 5 of the present invention is installed;

FIG. 22 is a schematic plan view of the plant cultivation apparatus shown in FIG. 21;

FIG. 23 is a partially enlarged front elevational view of FIG. 22;

FIG. 24 is an enlarged partial plan view of one of the drive means and the lifting means of FIG. 21;

FIG. 25 is a side view of the drive means and lifting means of FIG. 24;

fig. 26 is a partially enlarged front view of the elevating means in fig. 24.

Description of the symbols

10: a greenhouse; 20: a driving means;

21: a motor; 22: a drive shaft;

23: a turbo reducer; 30: a lifting means;

31: a reel; 31': a primary sprocket;

32: iron wires; 32': a chain;

33, 33': a left bracket and a right bracket; 34, 34': a left guide wheel and a right guide wheel;

34a,34b are left and right guide chain wheels; 40: a first cultivation tank; 40': a second cultivation tank.

Detailed Description

The plant cultivation apparatus according to the embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a schematic front view of a greenhouse part to which a plant cultivation apparatus according to embodiment 1 of the present invention is installed; FIG. 2 is a schematic side view of the plant growing apparatus of FIG. 1; FIG. 3 is a schematic plan view of the plant growing apparatus of FIG. 1; FIG. 4 is an enlarged fragmentary elevational view of a portion of FIG. 1; FIGS. 5 a-5 c are partially enlarged front, plan and side views of one of the lifting means of FIG. 4; fig. 6 is a partially enlarged side view of one of the elevating means and the turbine speed reducer in fig. 1.

A plant cultivation apparatus according to embodiment 1 of the present invention shown in fig. 1 to 6 includes: a driving means 20 installed on a truss 12 horizontally crossing an upper portion of a column 11 or the like of the greenhouse 10 using a roof structure as it is commonly used; a plurality of lifting means 30 installed to be lifted by the driving means, and a first cultivation tank 40 and a second cultivation tank 40' respectively hung and installed on the left and right of each lifting means.

The driving means 20 is composed of a motor 21, a driving shaft 22, a turbo reducer 23, and a driven shaft 24.

A driving shaft 22 is installed at a lower side of a truss 12 which horizontally crosses an upper side in the greenhouse 10 and is rotated by a motor 21, and turbo reducers 23 are installed at positions which are orthogonal to the driving shaft and are mutually orthogonal to a plurality of driven shafts 24 installed as front and rear bearings 13 at right and left sides of the lower side of the truss at a certain interval, and reduce and transmit a rotational force of the driving shaft to simultaneously rotate the driven shafts.

The turbo reducer 23 is composed of

turbines

231 and 232 that are engaged with each other at a portion where the drive shaft 22 and the driven shaft 24 are orthogonal to each other and are fixed to each other, and a case 233 that is attached to each other so as to secure the turbines without being separated from each other.

Therefore, the orthogonal portions of the drive shaft 22 and the driven shaft 24 are wrapped and supported by the casing 232 of the turbo reducer 23 together with the turbine 231, and the motor 21 and the drive shaft can be stably attached to the truss 12 together with the driven shaft by the bearing 13.

The lifting means 30 includes: a plurality of spiral reels 31 fixed to the driven shafts 24 at regular intervals and having a spiral shape with a winding groove 311 formed on the outer circumferential surface; a wire 32 of a specific length, which is wound several times in the middle of the winding slot 311, with the left portion 32a being downward from the front left side and the right portion 32b being downward from the rear right side; left and right brackets 33, 33' which are vertically arranged and have respective upper ends are adhered below the corresponding truss 12, and are mutually spaced at the same interval from the fixed position of the reel shaft to the left and right; and left and right guide wheels 34 and 34' which are positioned at the left and right sides below the winding drum, are axially mounted at the lower end part of the bracket and are respectively connected with the left and right side parts of the downward iron wire.

The lower end of the left side portion 32a of each wire 32 is connected to the first cultivating groove 40 on the left side, and the lower end of the right side portion 32b is connected to the second cultivating groove 40' on the right side.

When the plant cultivation device with the structure is installed, the area of the whole greenhouse can be used as the cultivation area, and the first cultivation groove 40 and the second cultivation groove 40' are in the horizontal positions at the same height on the left and right of the weekday, so that all plants can be uniformly exposed to light.

In this state, when the worker moves the passage for sowing, cultivation management or harvesting, the motor 21 is normally started, the generated rotational force is transmitted to the driven shaft 24 through the driving shaft 22 and the turbo reducer 23, the drum 31 is normally rotated, the left portion 32a of the wire 32 is wound around the winding groove 311, the left first cultivation groove 40 connected to the lower end is raised, and on the contrary, the right portion 32b of the wire is released and the right second cultivation groove 40' is lowered.

Thus, a passage through which the worker moves is formed between each of the ascending first cultivating groove 40 and the descending second cultivating groove 40'.

At this time, the height of each first cultivation tank 40 that is raised is adjusted to such an extent that the operator can stand and move without any trouble, and the height of each second cultivation tank 40' that is lowered is adjusted to such an extent that the operator can seed, manage cultivation, or harvest in a comfortable posture.

After the sowing, cultivation management or harvesting is completed, the worker leaves the greenhouse, reversely starts the motor 21 to reversely rotate the reel 31, and the left portion 32a of each wire 32 is unwound from the reel, whereas the right portion 32b is wound, and the left first cultivation groove 40 is lowered and the right second cultivation groove 40' is raised.

After the first and second cultivation tanks 40 and 40' reach the same level, the operation of the motor 21 is stopped, so that all the plants can be uniformly grown by receiving light.

FIG. 7 is a schematic front view of a greenhouse part to which a plant cultivation apparatus according to embodiment 2 of the present invention is installed; FIG. 8 is a schematic side view of the plant growing apparatus of FIG. 7; FIG. 9 is a schematic plan view of the plant growing apparatus of FIG. 7; FIG. 10 is a partially enlarged front elevational view of a portion of FIG. 7; FIG. 11 is an enlarged partial plan view of the drive means and one of the lift means of FIG. 8; fig. 12 is a side view of the driving means and the elevating means of fig. 11.

The plant cultivation apparatus of fig. 7 to 12 according to embodiment 2 of the present invention includes: a driving means 20 installed on a truss 12 horizontally crossing an upper portion of a vertical post 11 or the like of a greenhouse 10 which as it is used commonly uses a roof structure as described in the embodiment 1; a plurality of lifting means 30 installed to be lifted by the driving means, and a first cultivation tank 40 and a second cultivation tank 40' respectively hung and installed on the left and right of the lifting means.

The driving means 20 is composed of a motor 21, a drive shaft 22, and a transmission 211 mounted on the motor for transmitting the driving force to the drive shaft while changing the speed.

The driving shafts 22 are installed at a predetermined interval in the left and right directions under the truss 12 which crosses the upper side of the inside of the greenhouse 10 in the front and rear direction, and the motors 21 are installed to the driving shafts, respectively, to rotate the driving shafts in the forward and reverse directions.

The lifting means 30 includes: a plurality of reels 31 axially fixed at a predetermined interval in front and rear of each drive shaft 22 and having spiral-shaped outer circumferential surface winding grooves 311; a wire 32 of a specific length, which is wound several times in the middle of the winding slot 311, with the left portion 32a being downward from the front left side and the right portion 32b being downward from the rear right side; left and right brackets 33, 33' which are vertically arranged and have respective upper ends are adhered below the corresponding truss 12, and are mutually spaced at the same interval from the fixed position of the reel shaft to the left and right; and left and right guide wheels 34 and 34' which are positioned at the left and right sides below the winding drum, are axially mounted at the lower end part of the bracket and are respectively connected with the left and right side parts of the downward iron wire.

When the plant cultivation apparatus according to embodiment 2 of the present invention having the above-described structure is installed, it is ensured that the entire area of the greenhouse can be used as a cultivation area, and the first and second cultivation tanks 40 and 40' are positioned at the same height level on the left and right of the day, thereby ensuring that all plants can receive light uniformly.

In this state, when a passage for a worker to move is required for sowing, cultivation management or harvesting, the motor 21 is started in a forward direction, the generated rotational force is transmitted to the driven shaft 24 through the driving shaft 22 and the transmission 211, the drum 31 is rotated in a forward direction, the left portion 32a of the wire 32 is wound around the winding groove 311, the left first cultivation groove 40 connected to the lower end is raised, and on the contrary, the right portion 32b of the wire is released, and the right second cultivation groove 40' is lowered.

FIG. 13 is a partially enlarged front view of a part of a plant-cultivating device according to embodiment 3 of the present invention; FIGS. 14a and 14b are partially enlarged front and plan views of one of the lifting means of FIG. 13; fig. 15a to 15c are side views showing the operation state of the lifting means in fig. 14a and 14 b.

A plant cultivation apparatus according to embodiment 3 of the present invention shown in fig. 13 to 15a and 15ab is characterized by including: a driving means 20 comprising a motor, a driving shaft, a turbo reducer and a driven shaft 24, which is installed on a truss 12 horizontally crossing the upper part of a greenhouse column or the like using a roof structure which is commonly used as it is, as in the above embodiment 1; a plurality of lifting means 30 installed to be lifted by the driving means, and a first cultivation tank 40 and a second cultivation tank 40' respectively hung and installed on the left and right of the lifting means.

The driving shaft of the driving means 20 is installed on the lower side of the truss 12 crossing the upper part of the greenhouse inside in the left and right direction and is rotated by the motor, and the turbo speed reducers are installed on the positions orthogonal to the driving shaft and the mutually orthogonal to a plurality of driven shafts 24 installed as bearings 13 in the front and rear direction crossing the lower side of the truss at a certain interval in the left and right direction, and the rotational force of the driving shaft is transmitted by deceleration to rotate the driven shafts at the same time.

The lifting means 30 includes: a plurality of spiral reels 31 fixed to the driven shafts 24 at regular intervals and having a spiral shape with a winding groove 311 formed on the outer circumferential surface; a wire 32 wound several times in the middle of each winding groove 311 of the winding drum 31, the left side portion 32a being downward from the front left side, the right side portion 32b being downward from the rear right side; left and right brackets 33, 33' vertically mounted with upper ends respectively adhered below the corresponding truss 12, which are spaced from each other at the same interval from the fixed position of the shaft of each reel; bottom bearings 331 formed in an "n" shape at the lower ends of the left and right brackets are fixedly installed to pass through guide shafts 332 having a predetermined length in the front and rear directions, the shafts are coupled with each other, and move back and forth in the interval between the front and rear positions of the bottom bearings, and left and right guide wheels 34, 34' of the left and right side portions of the wire 32 facing downward are connected to the lower side of the drum 31.

In this way, the left and right guide wheels 34 and 34 'are respectively coupled to the guide shaft 332 so as to be movable back and forth within the front and rear spaces of the respective bearing members 331, and as described below, when the drum 31 is rotated in the forward direction, the left portion 32a of the wire 32 is wound and raised in front of the drum, and conversely, the right portion 32b is unwound and lowered in rear of the drum, and the wound position and the unwound position are simultaneously moved forward in front and rear directions of the drum, and at this time, the left and right portions of the wire which are connected to the respective left and right guide wheels 34 and 34' and raised and lowered are constantly and stably connected to the guide wheels as they are moved forward in the guide shaft.

Thus, the lower end of the left portion 32a of each wire 32 is connected to the first cultivating groove 40 on the left side, and the lower end of the right portion 32b is connected to the second cultivating groove 40' on the right side.

In this state, when a passage for an operator is required for sowing, cultivation management or harvesting, the motor 21 is started in a forward direction, the generated rotational force is transmitted to the driven shaft 24 through the driving shaft 22 and the turbo reducer 23, the drum 31 is rotated in a forward direction, the left portion 32a of the wire 32 is wound around the winding groove 311, the left first cultivation groove 40 connected to the lower end is raised, and conversely, the right portion 32b of the wire is released, and the right second cultivation groove 40' is lowered.

FIG. 16 is a schematic side view of a part of a greenhouse to which a plant cultivation apparatus according to embodiment 4 of the present invention is installed; FIG. 17 is a schematic plan view of the plant growing apparatus of FIG. 16; FIG. 18 is an enlarged partial front view of the portion of FIG. 17; FIGS. 19 a-19 c are enlarged partial front, plan and side views of one of the lift means of FIG. 18; fig. 20 is a partially enlarged side view of one of the elevating means and the turbine speed reducer in fig. 16.

The plant cultivation apparatus of the 4 th embodiment of the present invention shown in FIGS. 16 to 20 has a structure including: a driving means 20 comprising a motor, a driving shaft, a turbo reducer and a driven shaft 24, which is installed on a truss 12 horizontally crossing the upper part of a greenhouse pillar using a roof structure which is commonly used as it is, as in the above embodiment 1; a plurality of lifting means 30 installed to be lifted by the driving means, and a first cultivation tank 40 and a second cultivation tank 40' respectively hung and installed on the left and right of the lifting means.

A driving means 20 installed on the lower side of the truss 12 crossing the motors 21 and the upper part of the greenhouse, and a driving shaft 22 rotating by the motor; a plurality of driven shafts 24 which are orthogonal to the driving shaft and installed as bearings 13 in front and rear directions at left and right sides of the lower side of the truss at a certain interval; the turbo reducer 23 is attached to the driving shaft and the driven shafts at positions orthogonal to each other, and is configured to reduce the rotational force transmitted from the driving shaft and to rotate the driven shafts simultaneously, similarly to the embodiment 1.

The lifting means 30 includes: a plurality of main sprockets 31' axially fixed to the driven shafts 24 at predetermined intervals in the front-rear direction; a chain 32' of a certain length in which a left side portion 32a is installed downward from each left side of the main sprocket and a right side portion 32b is installed downward from the right side, with intermediate portions hung on the main sprockets, respectively; left and right brackets 33, 33' vertically mounted with upper ends respectively adhered below the corresponding truss 12, spaced from each other at the same interval left and right from the position where the shaft of each main sprocket is fixed; left and

right guide sprockets

34a and 34b are mounted on the lower ends of the left and right brackets below the main sprocket, respectively, and the left and right side portions of the chain facing downward are connected to each other.

The lower end of the left side portion 32a of the chain 32 'is connected to the first cultivating groove 40 positioned on the left side, and the lower end of the right side portion 32b is connected to the second cultivating groove 40' positioned on the right side.

When the plant cultivation apparatus according to embodiment 4 of the present invention having the above-described structure is installed, it is ensured that the entire area of the greenhouse can be used as a cultivation area, and the first and second cultivation tanks 40 and 40' are positioned at the same height level on the left and right of the day, thereby ensuring that all plants can receive light uniformly.

In this state, when a passage for an operator is required for sowing, cultivation management or harvesting, the motor 21 is normally started, the generated rotational force is transmitted to the driven shaft 24 through the driving shaft 22 and the turbo reducer 23, the main sprocket 31' is normally rotated, the left portion 32a of each chain 32' is connected to the main sprocket and ascends, the left first cultivation groove 40 connected to the lower end of each chain ascends according to the generated rotational force, and on the contrary, the right portion 32b of each chain is loosened and the right second cultivation groove 40' descends.

After the sowing, cultivation management or harvesting is completed, the operator leaves the greenhouse, reversely starts the motor 21 to reversely rotate the main sprocket 31', the left portion 32a of each chain 32' is loosened from the main sprocket and descends, and conversely, the right portion 32b is connected to and ascends, the first cultivation tank 40 on the left side descends, the second cultivation tank 40 'on the right side ascends, and after the first and second cultivation tanks 40 and 40' on the left and right reach the same horizontal height, the motor 21 is stopped to allow all the plants to uniformly grow by receiving light.

FIG. 21 is a schematic side view of a part of a greenhouse to which a plant cultivation apparatus according to embodiment 5 of the present invention is installed; FIG. 22 is a schematic plan view of the plant cultivation apparatus shown in FIG. 21; FIG. 23 is a partially enlarged front elevational view of FIG. 22; FIG. 24 is an enlarged partial plan view of one of the drive means and the lifting means of FIG. 21; FIG. 25 is a side view of the drive means and lifting means of FIG. 24; fig. 26 is a partially enlarged front view of the elevating means in fig. 24.

The structure of a plant cultivation apparatus according to embodiment 5 of the present invention shown in fig. 21 to 26 includes: a driving means 20 installed on a truss 12 horizontally crossing an upper portion of a vertical post 11 or the like of a greenhouse 10 which as it is used commonly uses a roof structure as described in the embodiment 1; a plurality of lifting means 30 installed to be lifted by the driving means, and a first cultivation tank 40 and a second cultivation tank 40' respectively hung and installed on the left and right of the lifting means.

The driving means 20 is composed of a motor 21, a drive shaft 22, and a transmission 211 mounted on the motor and transmitting a driving force to the drive shaft while changing the speed.

The lifting means 30 includes: a plurality of main sprockets 31' axially fixed to the respective drive shafts 22 at regular intervals in the front-rear direction; a chain 32' of a certain length in which a left side portion 32a is installed downward from the left side of the main sprocket and a right side portion 32b is installed downward from the right side, with intermediate portions hung on the main sprockets, respectively; left and right brackets 33, 33' vertically mounted with upper ends respectively adhered below the corresponding truss 12, spaced from each other at the same interval left and right from the position where the shaft of each main sprocket is fixed; left and

right guide sprockets

34a and 34b are mounted on the lower ends of the left and right brackets below the main sprockets, respectively, and the left and right side portions of the chain facing downward are connected to the left and right side portions.

The lower end of the left side portion 32a of each chain 32 'is connected to the first cultivating groove 40 positioned on the left side, and the lower end of the right side portion 32b of the chain is connected to the second cultivating groove 40' positioned on the right side.

When the plant cultivation apparatus according to embodiment 5 of the present invention having the above-described structure is installed, it is ensured that the entire area of the greenhouse can be used as a cultivation area, and the first and second cultivation tanks 40 and 40' are positioned at the same height level on the left and right of the day, thereby ensuring that all plants can receive light uniformly.

In this state, when a passage for a worker to move is required for sowing, cultivation management or harvesting, the motor 21 is started in a forward direction, the generated rotational force is transmitted to the driving shaft 22 through the transmission 211 at a variable speed, the main sprocket 31' is rotated in a forward direction, the left portion 32a of the chain 32' is connected to the main sprocket to ascend, the left first cultivation tank 40 connected to the lower end ascends, and on the contrary, the right portion 32b of the chain is loosened to descend, and the right second cultivation tank 40' descends.

After the sowing, cultivation management or harvesting is completed, the worker leaves the greenhouse, reversely starts the motor 21 to reversely rotate the main sprocket 31', and the left portion 32a of each chain 32' is loosened from the main sprocket and lowered, whereas the right portion 32b is connected to and raised, and the first cultivation tank 40 on the left is lowered and the second cultivation tank 40' on the right is raised.

Thus, when the first and second cultivation tanks 40 and 40' reach the same level, the operation of the motor 21 is stopped, and all the plants are uniformly grown by receiving light.

The plant cultivation apparatus according to embodiments 1 to 5 of the present invention, which operates as described above, is characterized in that the structure, installation, and maintenance management are very simple and easy, the burden of management cost is greatly reduced, the plant cultivation apparatus can be used for a long time without shortening the life span, and the entire area of the greenhouse is used as the cultivation area, thereby doubling the yield.

Claims

1. A plant cultivation device is characterized in that,

comprises a driving means (20) which is arranged on a truss (12) horizontally crossing the upper part of an upright post in the greenhouse and consists of a motor, a driving shaft, a turbine speed reducer and a driven shaft (24); a plurality of lifting means (30) installed to be lifted by the driving means (20); and a first cultivation tank (40) and a second cultivation tank (40') which are installed on the plurality of lifting means (30) and can be lifted up and down;

the drive means (20) includes: a motor (21); a drive shaft (22) mounted in a converging manner on the basis of the motor (21); a driven shaft (24) installed to be orthogonal to the driving shaft (22) and crossing the front and rear sides at a predetermined interval in the left and right direction below the truss; turbo reducers (23) installed at positions orthogonal to the drive shaft (22) and the driven shaft (24), respectively, for reducing the speed of the drive shaft (22) and transmitting the rotational force to rotate the driven shaft (24);

the lifting means (30) comprises: a plurality of winding drums (31) which are axially fixed to the driven shafts (24) at a predetermined interval in the front-rear direction and have spiral grooves (311) in the outer circumferential surface; an iron wire (32) which is wound several times in the middle of each winding groove (311) of the winding drum (31), wherein the left side part (32a) is downward from the front left side, and the right side part (32b) is downward from the rear right side; a left bracket (33) and a right bracket (33') which are mutually separated at the same interval from the fixed position of the shaft of each winding drum (31), and are vertically installed with the upper ends adhered below the corresponding trusses; bottom bearings (331) which are n-shaped at the lower ends of the left support (33) and the right support (33') transversely penetrate through guide shafts (332) which are fixedly installed in a front-back mode, the shafts are mutually combined, the guide shafts move back and forth in an interval between the front position and the back position of the bottom bearings (331), a left guide wheel (34) of a left side part (32a) of the downward direction of the iron wire (32) is connected to the left side below the winding drum (31), and a right guide wheel (34') of a right side part (32b) of the downward direction of the iron wire (32) is connected to the right side below the winding drum (31);

the first cultivation groove (40) is tied and mounted on the lower end of the left side part (32a) of the iron wire (32), and the second cultivation groove (40') is tied and mounted on the lower end of the right side part (32b) of the iron wire (32).