CN116918598B - Three-dimensional seedling raising frame - Google Patents
Three-dimensional seedling raising frame Download PDFInfo
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- CN116918598B CN116918598B CN202311042537.XA CN202311042537A CN116918598B CN 116918598 B CN116918598 B CN 116918598B CN 202311042537 A CN202311042537 A CN 202311042537A CN 116918598 B CN116918598 B CN 116918598B
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 105
- 230000001360 synchronised effect Effects 0.000 claims abstract description 9
- 230000036544 posture Effects 0.000 claims description 96
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000005286 illumination Methods 0.000 description 36
- 241000209094 Oryza Species 0.000 description 7
- 235000007164 Oryza sativa Nutrition 0.000 description 7
- 235000009566 rice Nutrition 0.000 description 7
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
- A01G9/029—Receptacles for seedlings
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Abstract
The invention discloses a three-dimensional seedling raising frame, which comprises a bottom frame, wherein two gesture conversion main frames which are arranged in parallel along the southwest direction are arranged on the bottom frame in a swinging way, and each gesture conversion main frame comprises a light-receiving gesture before noon and a light-receiving gesture after noon; a plurality of shelves are hinged between the two gesture conversion main frames, a right bracket which keeps the inclined gesture that the front end is higher than the rear end is arranged at the southwest end of the shelf, a left bracket which keeps the inclined gesture that the front end is lower than the rear end is arranged at the northeast end of the shelf, a convertible bracket is arranged at the middle part of the shelf in a swinging way, and a synchronous conversion connecting rod is hinged between the upper and lower convertible brackets; horizontal reset springs for applying opposite force are respectively connected between the front end and the rear end of at least one convertible bracket and the corresponding layer rack; the bottom of the underframe is fixedly provided with a conversion jacking structure. The invention can reduce shading problem, is beneficial to the tidy and robust growth of seedlings, and is beneficial to saving seedling fields and reducing land waste.
Description
Technical Field
The invention relates to the technical field of seedling raising equipment, in particular to a three-dimensional seedling raising frame.
Background
The rice planting area in China is wide, and the rice planting area accounts for about 30% of the grain planting area. The cultivation of the seedlings in the rice planting is an important basic link, and the strong seedlings are beneficial to smoothly and uniformly transplanting rice seedlings, reduce the phenomenon of seedling missing, and facilitate rapid growth and yield improvement after transplanting rice seedlings. At present, the rice seedling raising has a centralized seedling raising mode of hard disk seedling raising of a multi-span greenhouse, hard/soft disk seedling raising of a middle greenhouse, small arch greenhouse or open field soft disk seedling raising and the like, wherein a three-dimensional seedling raising technology is generally adopted in the hard disk seedling raising of the multi-span greenhouse and the hard/soft disk seedling raising of the middle greenhouse so as to save a seedling bed and reduce land waste.
As the rice of the happy plants, the sunshine length during seedling raising is an important factor affecting the robust growth of seedlings. The three-dimensional seedling raising frame adopted in the current three-dimensional seedling raising is mainly a trapezoid frame (shown in fig. 13) and a vertical frame (shown in fig. 14), but no matter what kind of frame body is adopted, the upper layer seedling raising tray can cause light shielding to the lower layer seedling raising tray, so that the problem of insufficient lighting of seedlings at the middle and lower parts is common. At present, although a mode of increasing the distance between adjacent seedling raising frames is adopted to reduce the shielding problem of adjacent frames, the mode can reduce the advantages of saving a seedling bed and reducing land waste of the three-dimensional seedling raising frames, and the problem of shielding the upper layer to the lower layer of a single frame cannot be fundamentally solved. In addition, for northeast, raising seedlings is usually carried out in middle and late 4 months, at this time, the natural light length of the node is only about 12 hours, the maximum irradiation height angle of sunlight is only about 50 degrees, and the light condition can cause the problem of light shielding on the seedling raising frame to be more obvious, so that the problems of uneven growth of seedlings, slow growth of seedlings at the shading part, thin and yellow seedlings and the like always exist. Therefore, the three-dimensional seedling raising frame which can reduce the shading problem, is beneficial to the tidy and robust growth of seedlings, is beneficial to saving the seedling bed and reducing the land waste is needed to improve the current situation.
Disclosure of Invention
The invention aims to solve the technical problem of providing the three-dimensional seedling raising frame which can reduce the shading problem, is beneficial to the tidy and robust growth of seedlings, is beneficial to saving the seedling bed and reducing the land waste.
In order to solve the technical problems, the technical scheme of the invention is as follows: the three-dimensional seedling raising frame comprises a bottom frame fixedly arranged on the ground, two gesture conversion main frames which are arranged in parallel along the southwest direction are arranged on the bottom frame in a swinging mode, the two gesture conversion main frames comprise a front light receiving gesture which is inclined towards the northwest direction and a rear light receiving gesture which is inclined towards the southeast direction, and a gesture positioning device is arranged between the two gesture conversion main frames and the bottom frame;
a plurality of layer frames which are sequentially arranged along the height direction are hinged between the two gesture conversion main frames, and the layer frames are arranged in parallel with the underframe; the front end of the layer frame is higher than the rear end of the layer frame, the northeast end of the layer frame is provided with a left bracket which is lower than the rear end of the layer frame, the middle part of the layer frame swings and installs a convertible bracket, the convertible bracket comprises a front afternoon light-letting gesture with the front end higher than the rear end and a afternoon light-letting gesture with the front end lower than the rear end, and a synchronous conversion connecting rod is hinged between the upper convertible bracket and the lower convertible bracket; horizontal reset springs for applying opposite force are respectively connected between the front end and the rear end of at least one convertible bracket and the corresponding layer rack;
the bottom of the underframe is fixedly provided with a conversion jacking structure for jacking one end of the lowest convertible bracket, the conversion jacking structure can jack the convertible bracket to be in a front afternoon light receiving posture when the two posture conversion main frames are in the front afternoon light receiving posture, and can jack the convertible bracket to be in the rear afternoon light receiving posture when the two posture conversion main frames are in the rear afternoon light receiving posture.
As a preferable technical scheme, the posture conversion main frame comprises four main frame vertical beams sequentially arranged along the southwest direction, wherein the left and right sides of the bottom end of each main frame vertical beam on the underframe are respectively fixedly provided with a vertical Liang Erban, and a vertical Liang Baizhou is arranged between the bottom end of the main frame vertical beam and the corresponding vertical Liang Erban in a left-right penetrating manner; at least one main frame cross beam is fixedly connected between the four main frame vertical beams.
As an optimal technical scheme, the layer frame comprises main frame connecting rods which are respectively hinged between the main frame vertical beams at corresponding positions on the two gesture conversion main frames.
As a preferable technical solution, the posture positioning device includes an inclination positioning baffle fixedly arranged at least at one side of the pair of stands Liang Erban close to the other posture conversion main frame.
As an preferable technical scheme, the conversion jacking structure comprises a push rod fixedly arranged at the bottom of the underframe, and a top wheel used for contacting with the bottom of the lowest conversion bracket is arranged at the top end of the push rod.
As a preferable technical scheme, a plurality of the three-dimensional seedling raising frames are arranged in rows along the east-west direction when in use, and the convertible bracket and the left bracket in each three-dimensional seedling raising frame correspond to the right bracket and the convertible bracket in the three-dimensional seedling raising frame adjacent to the front side; and taking the time point A as the gesture conversion time, keeping the two gesture conversion main frames in the front light receiving gesture before the gesture conversion time, and keeping the two gesture conversion main frames in the rear light receiving gesture after the gesture conversion time.
As an optimal technical scheme, when the included angle between the two gesture conversion main frames and the south-right direction is alpha and the sunlight azimuth angle is alpha at the time point A, the gesture of the two gesture conversion main frames is switched.
Due to the adoption of the technical scheme, the two posture conversion main frames on the three-dimensional seedling raising frame are inclined, and the brackets at the upper part and the lower part of the three-dimensional seedling raising frame are equal to extend out of the upper bracket, so that sunlight irradiation is easier to receive. The two gesture conversion main frames are arranged obliquely to the southwest direction and have two inclined gestures of a light receiving gesture before noon and a light receiving gesture after noon, so that the gesture conversion is easy to adapt to the illumination azimuth angle and the altitude angle for gesture conversion, and each bracket can better receive sunlight irradiation. The left bracket does not have other brackets at the rear side, so the left bracket can better receive illumination in a front-low rear-high light-receiving posture; and at afternoon, two the gesture conversion body frame changes the afternoon light-receiving gesture, convertible bracket switches to the afternoon that low back is high before, and the front is low back is high this moment left bracket equal has automatic formation let light, simultaneously because of sunshine begins obvious western to one side, and the cooperation three-dimensional seedling raising frame's arrangement mode, left bracket basically forms the correspondence around, and convertible bracket also forms basically corresponds around, forms and lets the left bracket of light gesture with convertible bracket reducible shelter from the area for left bracket and convertible bracket department neighbor frame shelter from and self upper portion bracket shading problem reduces, the right bracket is because of not greatly to shelter from the influence, consequently afternoon keeps the light-receiving gesture to accept sunshine. The two posture conversion main frames are arranged in the oblique southwest direction, the two posture conversion main frames are in posture conversion, the left bracket and the right bracket are obliquely arranged, and the inclination states of the convertible brackets are converted, so that the shading problem is reduced compared with the existing trapezoidal frames and vertical frames, the seedling cultivation device is beneficial to the neat and robust growth of seedlings, and is beneficial to saving a seedling bed and reducing the land waste.
Drawings
The following drawings are only for purposes of illustration and explanation of the present invention and are not intended to limit the scope of the invention. Wherein:
FIG. 1 is a schematic view of a three-dimensional structure of a single three-dimensional seedling raising rack according to an embodiment of the invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of one of the main frame uprights of FIG. 1;
FIG. 4 is a schematic cross-sectional view of the right bracket of FIG. 1;
FIG. 5 is a schematic cross-sectional view of the convertible bracket of FIG. 1;
FIG. 6 is a schematic view of the two-posture conversion main frame of FIG. 5 converted into a afternoon light-receiving posture;
FIG. 7 is a schematic view of illumination conditions of a plurality of three-dimensional seedling raising frames from an illumination angle at eight am according to the embodiment of the invention;
FIG. 8 is a schematic view of illumination conditions of a plurality of three-dimensional seedling raising frames from an illumination angle at ten am according to the embodiment of the invention;
FIG. 9 is a schematic view of illumination conditions of a plurality of three-dimensional seedling raising frames from an illumination angle at twelve noon according to the embodiment of the present invention;
FIG. 10 is a schematic view of illumination of a plurality of stereoscopic seedling raising racks according to the embodiment of the invention from an illumination angle at two pm;
FIG. 11 is a schematic view of illumination conditions of a plurality of three-dimensional seedling raising frames from an illumination angle after the three-dimensional seedling raising frames are converted into afternoon light-receiving postures at two afternoon according to the embodiment of the invention;
FIG. 12 is a schematic view of illumination of a plurality of three-dimensional seedling raising racks according to the embodiment of the invention from an illumination angle at four afternoon;
FIG. 13 is a schematic view of the structure of a prior art ladder;
fig. 14 is a schematic structural view of a prior art stand.
In the figure: 1-a chassis; 2-a main frame for posture conversion; 21-a main frame vertical beam; 22-stand Liang Erban; 23-a main frame beam; 3-attitude positioning means; 31-dip angle positioning baffle; 4-layer frames; 41-main frame connecting rod; 5-right bracket; 6-left bracket; 7-a convertible carrier; 71-synchronous switching connecting rods; 72-a horizontal return spring; 8-converting the holding structure; 81-ejector rods; 82-top wheel.
Detailed Description
The invention is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, exemplary embodiments of the invention are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.
The "front" and "rear" of the present embodiment are defined by conventional cognition, that is, for a ground fixture, the south side or approximately south side is the front, the north side or approximately north side is the rear, and the "left" and "right" orientations are defined in cooperation with conventional cognition based on the definition of the "front" and "rear" orientations.
As shown in fig. 1 to 12, the three-dimensional seedling raising frame comprises a bottom frame 1 fixedly arranged on the ground, wherein the fixation can be realized by adopting foundation bolts and the like. Two gesture conversion main frames 2 which are arranged in parallel along the southwest direction are arranged on the underframe 1 in a swinging way, the two gesture conversion main frames 2 comprise a front light receiving gesture inclined towards the northwest direction and a rear light receiving gesture inclined towards the southeast direction, and a gesture positioning device 3 is arranged between the two gesture conversion main frames 2 and the underframe 1.
The posture conversion main frame 2 of the embodiment comprises four main frame vertical beams 21 sequentially arranged along the southwest direction, wherein the left side and the right side of the bottom end of each main frame vertical beam 21 on the underframe 1 are respectively fixedly provided with a vertical Liang Erban, and a vertical Liang Baizhou is arranged between the bottom end of the main frame vertical beam 21 and the corresponding vertical beam lug plate 22 in a left-right penetrating manner; at least one main frame cross beam 23 is fixedly connected between the four main frame upright beams 21. The attitude conversion main frame 2 of longer length is hinged around to form a swing installation, of course, four of the stands Liang Baizhou are coaxial.
The two main frames 2 achieve stable posture by positioning the posture positioning device 3, and in this embodiment, the posture positioning device 3 includes an inclination positioning baffle 31 fixedly disposed at least at one side of a pair of stands Liang Erban near the other main frame 2. That is, when the posture conversion main frame 2 swings in the direction of the posture conversion main frame 2 on the other side, the posture conversion main frame finally abuts against the inclination angle positioning baffle plate 31 to realize posture positioning. The inclination angle of the posture conversion main frame 2 can be set as required, and this embodiment is illustrated with 60 °.
A plurality of layer frames 4 which are sequentially arranged along the height direction are hinged between the two gesture conversion main frames 2, and the layer frames 4 are arranged in parallel with the underframe 1. The layer frame 4 connects two attitude conversion main frames 2 into a whole, and a parallelogram structure is formed between the layer frame 4, the underframe 1 and the two attitude conversion main frames 2, and the deformable characteristic of the parallelogram structure enables the two attitude conversion main frames 2 to convert between two attitudes, and the layer frame 4 can keep the horizontal attitude unchanged regardless of deformation.
The layer frame 4 in this embodiment includes main frame connecting rods 41 hinged between the main frame upright beams 21 at corresponding positions on the two main frame 2 for posture conversion, so that the layer frame 4 mainly includes four main frame connecting rod 41 structures, which can simplify the frame structure and reduce the shading of the frame.
The southwest end of the layer rack 4 is provided with a right bracket 5 which keeps the inclined posture that the front end is higher than the rear end, and the right bracket 5 is used for directly planting seedlings or serving as a carrier of a seedling raising tray. In the afternoon, the right bracket 5 with high front and low back forms a light-letting gesture for sunlight irradiated in the southeast direction, that is, the shielding area of the right bracket on other structures at the rear side is reduced, and the phase change is equivalent to letting out part of illumination, so that the illumination can be more irradiated on other structures at the rear side. Of course, when the illumination height angle exceeds the inclination angle of the right bracket 5, the seedlings on the right bracket 5 can obtain illumination. In the afternoon, the right bracket 5 with high front and low back forms a light-facing posture for sunlight irradiated in the southwest direction, and can be continuously irradiated by the sunlight until the sunlight disappears.
Preferably, the inclination angle of the right bracket 5 is 10 ° to 15 °. For the late 4 months in northeast, the tilt angle can be reached by more than seven am, so the right bracket 5 can continuously obtain illumination every day from seven am to more than the afternoon during the sunset.
The northeast end of the layer rack 4 is provided with a left bracket 6 which keeps the inclined posture that the front end is lower than the rear end, and the left bracket 6 is also used for directly planting seedlings or serving as a carrier of a seedling raising tray. In the afternoon, the left bracket 6 with low front and high rear forms a light-facing posture, which is beneficial to easily and quickly obtaining illumination after the sun rises, and the rear side of the left bracket is not provided with other bracket structures, so that the problem of shading other structures is not caused. In the afternoon, the left bracket 6 having a low front and a high rear forms a light-passing posture, so that the shielding area for other structures is reduced, and the light from the rear side can be more irradiated to the other brackets on the front side. When the illumination height angle is smaller than the inclination angle of the left bracket 6, the seedlings on the left bracket 6 start to lose illumination.
Preferably, the inclination angle of the left bracket 6 is also 10 ° to 15 °. For the middle and late 4 months in northeast, the sun rises at about six am and can drop to the inclination angle at about four and a half pm, so that the left bracket 6 can be continuously subjected to intermittent illumination from about six am to about four and a half pm, the influence of shading is reduced, and the total illumination duration is increased.
The middle part of the layer rack 4 is provided with a convertible bracket 7 in a swinging way, and the convertible bracket 7 is also used for directly planting seedlings or used as a carrier of a seedling raising tray. The convertible bracket 7 comprises a front afternoon light-letting posture with a front end higher than a rear end and a rear afternoon light-letting posture with a front end lower than the rear end, and the light shielding problem is reduced by matching the change of the illumination angles of the morning and afternoon and the change of the posture of the two posture conversion main frames 2 through the conversion of the postures.
With the above structure, the shelf 4 is divided into three parts from left to right, and the left bracket 6, the convertible bracket 7, and the right bracket 5 are provided in the three parts, respectively. In this embodiment, four main frame upright beams 21 are disposed on the main frame 2, and three spaces are exactly separated, and the main frame connecting rods 41 are connected to the main frame upright beams 21 at corresponding positions, so that two adjacent main frame connecting rods 41 form a carrier for setting corresponding brackets. Based on invariance of the horizontal posture of the layer rack 4 during posture conversion, the posture of each bracket can be controlled more easily, so that the bracket can conveniently reach the required light-facing or light-letting posture during posture conversion, and the aim of reducing shading is fulfilled.
As shown in fig. 1, 5 and 6, the upper and lower switchable brackets 7 are hinged together with a synchronous switching connecting rod 71, and of course, the synchronous switching connecting rod 71 is parallel to the connecting line of the rotating shafts of the switchable brackets 7, so that a parallelogram structure is formed between the synchronous switching connecting rod 71 and each switchable bracket 7, and each switchable bracket 7 can form synchronous posture change.
Horizontal return springs 72 for opposite force are respectively connected between the front end and the rear end of at least one of the convertible brackets 7 and the corresponding layer frames 4, and the horizontal return springs 72 for opposite force can enable the convertible brackets 7 to be in a horizontal posture under the condition of no other force. The opposite force application means force application that can form moment balance, such as horizontal return springs 72 that are respectively connected to the front side and the rear side of the convertible bracket 7 at the same distance from the rotation shaft, and apply downward force, which are easily obtained by those skilled in the art according to the prior art, and are not described herein. Of course, the direction of the force applied by the horizontal return spring 72 is not necessarily vertically straight, and it may be inclined, as long as it can generate a component force in the vertical direction. Based on the characteristic that the synchronous switching connection rod 71 enables the switchable brackets 7 to have synchronous change of posture, at least one switchable bracket 7 is connected with the horizontal return spring 72 which is relatively applied with force, so as to achieve the posture control of horizontal return, and in this embodiment, only the lowest switchable bracket 7 is connected with the horizontal return spring 72 for illustration.
The bottom of the chassis 1 is fixedly provided with a conversion jacking structure 8 for jacking one end of the lowest convertible bracket 7, and the conversion jacking structure 8 can jack up the convertible bracket 7 into the front afternoon light receiving posture when the two gesture conversion main frames 2 are in the front afternoon light receiving posture, and jack up the convertible bracket 7 into the rear afternoon light receiving posture when the two gesture conversion main frames 2 are in the rear afternoon light receiving posture. Specifically, when the two posture conversion main frames 2 are in the vertical posture, the conversion holding structure 8 is located right below the rotation shaft of the convertible bracket 7; when the two posture conversion main frames 2 are inclined, for example, in the northwest direction, the movable bracket 7 is moved to the northwest direction by the rotation shaft, and the height is reduced by the rotation shaft, so that the part of the lowest movable bracket 7 positioned at the front side of the rotation shaft is jacked by the conversion jacking structure 8, the movable bracket 7 is turned backwards around the rotation shaft, and finally the required midday light-letting posture is formed. And because the conversion supporting structure 8 is used for supporting the convertible bracket 7 against the spring force of the horizontal return spring 72, the horizontal return spring 72 can apply the spring force of each convertible bracket 7 pressed against the conversion supporting structure 8 after supporting, and the convertible bracket 7 can maintain a stable afternoon light-yielding posture. Of course, when the two posture conversion main frames 2 are inclined in the southeast direction, the switchable brackets 7 can finally form and maintain the front low and rear high afternoon light-letting posture.
The conversion jacking structure 8 of this embodiment includes a push rod 81 fixedly disposed at the bottom of the chassis 1, a top wheel 82 for contacting with the bottom of the lowest convertible bracket 7 is mounted at the top end of the push rod 81, and the friction resistance in the gesture conversion process can be reduced and the structure is reduced by the contact of the top wheel 82.
Preferably, the tilt angle of the convertible carrier 7 between the afternoon light-yielding position and the afternoon light-yielding position is also 10 ° to 15 °. The convertible carrier 7 of this embodiment is shown as a central carrier that remains light-transmissive throughout the day, most significantly contributing to reduced shading. For the middle and late 4 months in northeast, the inclination angle can be reached by more than seven am, and the inclination angle can be reduced to about four and a half pm, so that the convertible bracket 7 can continuously receive intermittent illumination in the time period, the total illumination duration is longer, the small shading area for other structures is kept, and the integral shading influence of the embodiment is reduced.
As shown in fig. 7 to 12 together, the present embodiment arranges a plurality of the stereoscopic seedling raising frames in a row in the east-west direction in use, the convertible bracket 7 and the left bracket 6 in each of the stereoscopic seedling raising frames corresponding to the right bracket 5 and the convertible bracket 7 in the stereoscopic seedling raising frame adjacent to the front side; taking a time point A as a posture conversion time, keeping the two posture conversion main frames 2 in a front light receiving posture before the posture conversion time, and keeping the two posture conversion main frames 2 in a rear light receiving posture after the posture conversion time. The conversion can be performed manually, or by driving an oil cylinder or the like.
And when the sunlight azimuth angle at the time point A is alpha, the postures of the two posture conversion main frames 2 are switched. In this embodiment, the angle α is 45 °, as shown in fig. 10 and 11, and when the azimuth angle of the sunlight reaches the angle, the angle is about two pm, that is, the attitude is converted about two pm.
As shown in fig. 7 to 10, before the above-mentioned posture conversion time, the two posture conversion main frames 2 are in the front light receiving posture before the noon, the right bracket 5 and the convertible bracket 7 are in the front high and rear low light receiving posture, so that the shielding area of the convertible bracket 7 on the upper and lower parts of the rear side vertical sports seedling frame and the left bracket 6 can be reduced, the shielding of the rear side vertical sports seedling frame by the adjacent frames and the shielding of the bracket on the upper part thereof can be reduced, and the left bracket 6 is free of other brackets on the rear side, so that the left bracket can better receive illumination in the front low and rear high light receiving posture. As shown in fig. 11 and 12, after the above-mentioned posture conversion time, the two posture conversion main frames 2 are converted into afternoon light receiving postures, the convertible brackets 7 are switched into afternoon light letting postures with low front and high rear, at this time, the left brackets 6 with low front and high rear are equal to automatically form light letting, meanwhile, the front and rear left brackets 6 are basically corresponding to each other due to the fact that sunlight starts to be obviously inclined in the west, and the front and rear convertible brackets 7 are basically corresponding to each other, the left brackets 6 and the convertible brackets 7 forming light letting postures can reduce the shielding area, so that the adjacent bracket shielding at the left brackets 6 and the convertible brackets 7 and the shielding problem of the bracket on the upper part of the left brackets are reduced; the right bracket 5 is not greatly influenced by shielding, so that the afternoon keeps a light-facing posture to receive sunlight.
In the present embodiment, the posture conversion main frame 2 is in an inclined posture, and the lower bracket is equal to the bracket extending out of the upper bracket, so that the irradiation of sunlight is more easily received. The two posture conversion main frames 2 are arranged in the southwest direction in an inclined manner, and have two inclined postures of a light receiving posture before noon and a light receiving posture after noon, so that the posture conversion is easy to adapt to the illumination azimuth angle and the altitude angle, in the process, the two posture conversion main frames 2 are arranged in the southwest direction in an inclined manner, the posture conversion of the two posture conversion main frames 2, the inclined arrangement of the left bracket 6 and the right bracket 5 and the conversion of the inclined state of the convertible bracket 7 are performed, the shading problem is reduced compared with the existing trapezoids and the existing trapezoids, especially for the morning and afternoon with smaller illumination altitude angle, the shading reduction can enable the convertible bracket 7 and the left bracket 6 to receive better illumination conditions, especially for the illumination condition of diffuse scattering in the shed, and the shading reduction can enable the shade area on the convertible bracket 7 at the middle lower part and the left bracket 6 to be smaller, so that the shading problem is easy to form or close to form comprehensive illumination. Thus, the illumination on each bracket can be relatively balanced, which is beneficial to the integral robust growth of seedlings. Due to the advantages of light shielding reduction and the like, the embodiment can be arranged at smaller intervals, and is also beneficial to saving seedling beds and reducing land waste. The embodiment is designed aiming at the illumination condition with smaller illumination height angle, and the whole structure is simple and compact, and is more suitable for the hard/soft seedling raising of the greenhouse in northeast areas.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a three-dimensional sprout cultivation frame, includes the chassis of fixed setting on subaerial, its characterized in that: the device comprises an underframe, a plurality of attitude conversion main frames, a plurality of attitude positioning devices, a plurality of attitude control devices and a plurality of attitude control devices, wherein the underframe is provided with the two attitude conversion main frames which are arranged in parallel along the southwest direction in a swinging way, each attitude conversion main frame comprises a front light receiving attitude which is inclined towards the northwest direction and a rear light receiving attitude which is inclined towards the southwest direction, and an attitude positioning device is arranged between each attitude conversion main frame and the underframe;
a plurality of layer frames which are sequentially arranged along the height direction are hinged between the two gesture conversion main frames, and the layer frames are arranged in parallel with the underframe; the front end of the layer frame is higher than the rear end of the layer frame, the northeast end of the layer frame is provided with a left bracket which is lower than the rear end of the layer frame, the middle part of the layer frame swings and installs a convertible bracket, the convertible bracket comprises a front afternoon light-letting gesture with the front end higher than the rear end and a afternoon light-letting gesture with the front end lower than the rear end, and a synchronous conversion connecting rod is hinged between the upper convertible bracket and the lower convertible bracket; horizontal reset springs for applying opposite force are respectively connected between the front end and the rear end of at least one convertible bracket and the corresponding layer rack;
the bottom of the underframe is fixedly provided with a conversion jacking structure for jacking one end of the lowest convertible bracket, the conversion jacking structure can jack the convertible bracket to be in a front afternoon light receiving posture when the two posture conversion main frames are in the front afternoon light receiving posture, and can jack the convertible bracket to be in the rear afternoon light receiving posture when the two posture conversion main frames are in the rear afternoon light receiving posture.
2. The stereoscopic seedling raising rack as set forth in claim 1, wherein: the posture conversion main frame comprises four main frame vertical beams which are sequentially arranged along the southwest direction, wherein a vertical Liang Erban is fixedly arranged on the left side and the right side of the bottom end of each main frame vertical beam on the underframe respectively, and a vertical Liang Baizhou is arranged between the bottom end of each main frame vertical beam and the corresponding vertical Liang Erban in a left-right penetrating manner; at least one main frame cross beam is fixedly connected between the four main frame vertical beams.
3. The stereoscopic seedling raising rack as set forth in claim 2, wherein: the layer frame comprises main frame connecting rods which are respectively hinged between the main frame vertical beams at corresponding positions on the two gesture conversion main frames.
4. The stereoscopic seedling raising rack as set forth in claim 2, wherein: the attitude positioning means includes an inclination positioning baffle fixedly provided at least at one side of the pair of stands Liang Erban close to the other attitude conversion main frame.
5. The stereoscopic seedling raising rack as set forth in claim 1, wherein: the conversion jacking structure comprises a push rod fixedly arranged at the bottom of the underframe, and a top wheel used for contacting with the bottom of the lowest convertible bracket is arranged at the top end of the push rod.
6. The stereoscopic seedling raising rack according to any one of claims 1 to 5, wherein: when the three-dimensional seedling raising rack is used, a plurality of three-dimensional seedling raising racks are arranged in rows along the east-west direction, and the convertible brackets and the left brackets in each three-dimensional seedling raising rack correspond to the right brackets and the convertible brackets in the three-dimensional seedling raising rack at the adjacent front side; and taking the time point A as the gesture conversion time, keeping the two gesture conversion main frames in the front light receiving gesture before the gesture conversion time, and keeping the two gesture conversion main frames in the rear light receiving gesture after the gesture conversion time.
7. The stereoscopic seedling raising rack of claim 6, wherein: and when the sunlight azimuth angle at the time point A is alpha, the postures of the two posture conversion main frames are switched.
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