Domestication experiment device for submerged plants in rainwater gallery in weak light environment

Abstract

The invention provides a domestication experiment device for submerged plants in a rainwater gallery in a weak light environment, a planting box with adjustable liquid level height is fixedly connected right above a water tank, and a water inlet pipe is connected between the same sides of the water tank and the planting box; a planting plate is arranged in the planting box, and a box body penetrates through the other side of the planting box; the height of the box body is lower than that of the water tank, and the height of the liquid level in the inner cavity is consistent with that of the liquid level in the inner cavity of the planting box; a vertically-arranged telescopic hose and a guide pipe are sequentially connected between the inner cavity of the box body and the upper portion of the other side of the water tank, the telescopic hose extends into the inner cavity of the box body, the top of the telescopic hose is communicated with a water outlet pipe, and the length direction of the water outlet pipe intersects with the length direction of the telescopic hose. The water outlet pipe is arranged in the inner cavity of the box body in a lifting adjusting mode, and a water outlet communicated with the box body and the telescopic hose is formed in the side wall of the water outlet pipe. The device is compact in structure, small in occupied area, capable of adjusting the water level in the planting box, convenient, rapid, time-saving and labor-saving.

Description

Technical Field

[0001] The invention relates to the field of plant domestication, in particular to a domestication experimental device for submerged plants in a rainwater gallery under a weak light environment. Background Art

[0002] Rainwater corridor submerged plants refer to large aquatic plants whose entire plant body is located below the water layer for survival. Their roots are sometimes underdeveloped or degenerate. All parts of the plant body can absorb water and nutrients, and the aeration tissue is particularly developed, which is conducive to gas exchange in the absence of air in the water.

[0003] Long-term microbial or bacterial reproduction can easily cause certain pollution to the aquaculture water quality, which in turn makes it difficult for submerged plants in the rainwater corridor to survive. At present, plant acclimation experimental devices are mostly used to solve this problem; existing plant acclimation experimental devices mostly purify the aquaculture water quality through the coordinated use of circulating pumps, purification boxes, water inlet pipes, filter plates, input pipes and return pipes. The water used by the submerged plants in the rainwater corridor inside the aquaculture box can be circulated and processed, which can avoid the reproduction of bacteria or microorganisms in the water, which makes it difficult for submerged plants in the rainwater corridor to survive, and can also process impurities in the water when the water flows, further improving the purity of the water.

[0004] However, the device cannot adjust the root immersion depth of submerged plants in the rainwater corridor, which will affect the changes in experimental parameters and lead to inaccurate experimental results. Summary of the invention

[0005] One of the purposes of the present invention is to provide a rainwater gallery submerged plant acclimation experimental device under weak light environment, aiming to solve the problem that the existing plant acclimation experimental device cannot adjust the root immersion depth, resulting in inaccurate experimental results.

[0006] The technical solution of the present invention is:

[0007] A rainwater gallery submerged plant acclimation experimental device under weak light environment, comprising a water depth regulating mechanism, the water depth regulating mechanism comprising a water tank; a planting box with adjustable liquid level is fixedly connected directly above the water tank, and a water inlet pipe is connected between the water tank and the same side of the planting box; a planting tray is arranged inside the planting box, and a box body for regulating the liquid level in the planting box is passed through the other side; the height of the box body is lower than the height of the water tank, and the liquid level in the inner cavity is consistent with the liquid level in the inner cavity of the planting box; A vertically arranged retractable hose and a conduit are connected in sequence between the inner cavity of the box body and the upper part of the other side of the water tank. The retractable hose extends into the inner cavity of the box body and is connected to a water outlet pipe on the top, and the length direction of the water outlet pipe intersects with the length direction of the retractable hose. The water outlet pipe is arranged in the inner cavity of the box body in a manner that it can be raised and lowered, and has a water outlet on the side wall that is respectively connected to the box body and the retractable hose, so as to transfer excess water in the box body to the water tank via the retractable hose and the conduit.

[0008] As a technical solution of the present invention, a water pump is provided inside the water tank, the output end of the water pump is connected to the water inlet pipe, and the water inlet pipe is connected to the water inlet on one side of the planting box.

[0009] As a technical solution of the present invention, a rotatable first screw is vertically arranged in the box body, the bottom end of the first screw extends out of the bottom of the box body and is fixedly connected with a knob, and the knob is used to drive the first screw to rotate in the inner cavity of the box body; a first slider that can move up and down is installed on the first screw, the water outlet pipe is connected to the first slider, and the first slider is used to drive the water outlet pipe to rise and fall in the box body.

[0010] As a technical solution of the present invention, a transparent window for observing the liquid level in the box body is provided at the front end of the box body, and a scale is provided at the front end of the transparent window.

[0011] As a technical solution of the present invention, it also includes a dosing mechanism, which includes a U-shaped bracket with an opening facing downward, the U-shaped bracket is vertically arranged and the two ends are respectively connected to the two opposite outer side walls of the planting box; the U-shaped bracket is connected to a vertically arranged electric push rod, the lower end of the electric push rod is connected to a cover plate, and the inner top wall of the cover plate is fixedly connected to a low-light lamp; the top of the cover plate is connected to a measuring cylinder, the measuring cylinder is connected to a pump body, the driving end of the pump body is connected to a transmission pipe, the transmission pipe passes through the cover plate and extends into the planting box; a plurality of nozzles are installed on the transmission pipe for spraying the plants on the planting tray.

[0012] As a technical solution of the present invention, the transmission pipeline includes an L-shaped connecting pipe, a U-shaped drainage pipe and a plurality of vertical pipes; one end of the L-shaped connecting pipe is connected to the pump body, and the other end passes through the cover plate and is connected to the U-shaped drainage pipe; the U-shaped drainage pipe is horizontally arranged; a plurality of vertical pipes are connected to the bottom of the U-shaped drainage pipe in rows in sequence and are vertically arranged in the planting box; the nozzles are respectively installed on the bottom of the corresponding vertical pipes.

[0013] As a technical solution of the present invention, it also includes a cleaning mechanism, which includes a driving motor, the driving motor is installed on an outer side of the planting box, and the driving end extends into the planting box and is sequentially connected to a first transmission belt and a second transmission belt; one end of the first transmission belt is connected to the second screw for driving the second screw to rotate; the second screw is rotatably installed on the planting box; a second slider that can move linearly is installed on the second screw; one end of the second transmission belt is connected to the third screw for driving the third screw to rotate; the third screw is rotatably installed on the planting box; a third slider that can move linearly is installed on the third screw; a cleaning plate is commonly connected between the second slider and the third slider; the cleaning plate is linearly movably arranged on the upper surface of the bottom plate of the planting box for cleaning the interior of the planting box; a collecting frame is arranged in the planting box, the collecting frame is located near the driving motor and below the cleaning plate for collecting cleaned garbage.

[0014] As a technical solution of the present invention, hooks are provided on the tops of the two opposite ends of the collecting frame, and the two hooks are detachably connected to the grooves on the two opposite sides of the planting box.

[0015] Beneficial effects of the present invention:

[0016] The device places the submerged plants of the rainwater corridor on a planting tray, and then places the planting tray in a planting box for planting and acclimation experiments. The purpose of adjusting the water level in the planting box is achieved by driving the water outlet pipe to rise and fall. When the water level in the planting box is too high, the water outlet pipe is driven to drop to a position below the water level, so that the box body is connected to the telescopic hose through the water outlet pipe, and then the excess water can flow into the water tank through the water outlet pipe, the telescopic hose and the conduit for secondary recycling, thereby reducing the water level in the planting box, so that its water level can always be at the set height; when the water level in the planting box is too low, the water outlet pipe is driven to rise to a certain height, and the water tank is started, and the water in the water tank is transported to the planting box through the water inlet pipe, so that the water level in the planting box can always be at the set height. It can be seen from this that the device can conveniently and quickly adjust the water level in the planting box, can effectively change the wading depth of the submerged plants in the rainwater corridor, is convenient for experimental observation, saves time and effort, and is convenient and fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of an experimental device for acclimating submerged plants in a rainwater gallery under a weak light environment provided by an embodiment of the present invention;

[0019] Figure 2 A schematic diagram of a first angle of a rainwater gallery submerged plant acclimatization experimental device in a weak light environment provided by an embodiment of the present invention;

[0020] Figure 3 A schematic diagram of the installation of a water outlet pipe provided in an embodiment of the present invention;

[0021] Figure 4 for Figure 2 A is an enlarged schematic diagram;

[0022] Figure 5 A schematic diagram of a transmission pipeline provided by an embodiment of the present invention;

[0023] Figure 6 A schematic diagram of a cleaning mechanism provided by an embodiment of the present invention;

[0024] Figure 7 A schematic diagram of a collection frame provided by an embodiment of the present invention.

[0025] Icons: 1-water tank; 2-planting box; 3-water inlet pipe; 4-planting tray; 5-box body; 6-retractable hose; 7-conduit; 8-water outlet pipe; 9-water outlet; 10-water pump; 11-support column; 12-first screw; 13-knob; 14-hook; 15-transparent window; 16-U-shaped bracket; 17-electric push rod; 18-cover plate; 19-weak light; 20-measuring cylinder; 21-pump body; 22-L-shaped connecting pipe; 23-U-shaped discharge pipe; 24-vertical pipe; 25-sprinkler; 26-driving motor; 27-first transmission belt; 28-second transmission belt; 29-second screw; 30-second slider; 31-third screw; 32-third slider; 33-cleaning plate; 34-collection frame. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the present invention, it should be noted that the terms "upper" and "lower" etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the product of the invention is usually placed when in use. These are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0030] In addition, in the present invention, unless otherwise clearly specified and limited, the first feature being above or below the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0031] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] Example:

[0034] Please refer to Figure 1 , with reference Figures 2 to 7The present invention provides an experimental device for acclimating submerged plants in a rainwater gallery under a weak light environment, which includes a water depth regulating mechanism, and the water depth regulating mechanism includes a water tank 1; wherein, a planting box 2 with adjustable liquid level is fixedly connected to the top of the water tank 1 through a plurality of supporting columns 11, a water inlet pipe 3 is connected between the water tank 1 and the same side of the planting box 2, a water pump 10 is arranged inside the water tank 1, an output end of the water pump 10 is connected to the water inlet pipe 3, and the water inlet pipe 3 is connected to a water inlet on one side of the planting box 2; the planting box 2 has an opening at the top, and a detachable planting tray 4 is arranged in the inner cavity, and a box for adjusting the liquid level in the planting box 2 is passed through the other side of the planting box 2. body 5; the height of the box body 5 is lower than the height of the water tank 1, and the liquid level in the inner cavity is consistent with the liquid level in the inner cavity of the planting box 2; a vertically arranged retractable hose 6 and a conduit 7 are connected in sequence between the inner cavity of the box body 5 and the upper part of the other side of the water tank 1, the retractable hose 6 extends into the inner cavity of the box body 5 and is connected to a water outlet pipe 8 on the top, and the length direction of the water outlet pipe 8 intersects with the length direction of the retractable hose 6; the water outlet pipe 8 is arranged in the inner cavity of the box body 5 in a manner that can be raised and lowered, and a water outlet 9 is provided on the side wall, which is respectively connected to the box body 5 and the retractable hose 6, for transmitting excess water in the box body 5 to the water tank 1 via the retractable hose 6 and the conduit 7.

[0035] Among them, a rotatable first screw 12 is vertically arranged in the box body 5, the bottom end of the first screw 12 extends out of the bottom of the box body 5 and is fixedly connected with a knob 13, and the knob 13 is used to drive the first screw 12 to rotate in the inner cavity of the box body 5; and a first slider that can move up and down is installed on the first screw 12, and the water outlet pipe 8 is connected to the first slider, and the first slider is used to drive the water outlet pipe 8 to rise and fall in the box body 5. In addition, a transparent window 15 for observing the liquid level in the box body 5 is provided at the front end of the box body 5, and a scale is provided at the front end of the transparent window 15. Through the cooperation between the transparent window 15 and the scale, it is convenient to intuitively understand the water level in the planting box 2.

[0036] It should be noted that the device places submerged plants in the rainwater corridor on the planting tray 4, and then places the planting tray 4 in the planting box 2 for planting and acclimation experiments, and drives the water outlet pipe 8 to rise and fall to achieve the purpose of adjusting the water level in the planting box 2. When the water level in the planting box 2 is too high, the water outlet pipe 8 is driven to drop to a position below the water level, so that the box body 5 is connected to the telescopic hose through the water outlet pipe 8, and then the excess water can flow into the water tank 1 through the water outlet pipe 8, the telescopic hose and the conduit 7 for secondary recycling, thereby lowering the water level in the planting box 2 so that its water level can always be at the set height; when the water level in the planting box 2 is too low, the water outlet pipe 8 is driven to rise to a certain height, and the water tank 1 is started, and the water in the water tank 1 is transported to the planting box 2 through the water inlet pipe 3, so that the water level in the planting box 2 can always be at the set height. Furthermore, by setting a water pump 10, the water in the water tank 1 is introduced into the planting box 2 through the water inlet pipe 3. When the excess water needs to be discharged, the water flows back to the water tank 1 through the water outlet pipe 8, the telescopic hose and the conduit 7 for secondary recycling, which can strengthen the water circulation in the planting box 2 and prevent the reproduction of bacteria and microorganisms. It can be seen that the device can conveniently and quickly adjust the water level in the planting box 2, can effectively change the wading depth of the submerged plants in the rainwater corridor, is convenient for experimental observation, saves time and effort, and is convenient and fast.

[0037] In addition, a dosing mechanism is also provided on the planting box 2, and the dosing mechanism includes a U-shaped bracket 16 with an opening facing downward, the U-shaped bracket 16 is vertically arranged and the two ends are respectively connected to the two opposite outer side walls of the planting box 2; at the same time, a vertically arranged electric push rod 17 is connected to the U-shaped bracket 16, and the lower end of the electric push rod 17 is connected to a cover plate 18, and the inner top wall of the cover plate 18 is fixedly connected to a weak light 19. After the cover plate 18 is lowered to a certain height, the planting box 2 can be covered, and through the multiple The low-light lamp 19 can provide weak light illumination for the plants on the planting box 2; in addition, a measuring cylinder 20 is connected to the top of the cover 18, and an openable and closable cover is hinged on the top of the measuring cylinder 20. The measuring cylinder 20 is covered by setting the cover to prevent dust from entering; a pump body 21 is connected to the measuring cylinder 20, and a transmission pipe is connected to the driving end of the pump body 21, which passes through the cover 18 and extends into the planting box 2; a plurality of nozzles 25 are installed on the transmission pipe for spraying the plants on the planting tray 4.

[0038] Specifically, the transmission pipeline mainly includes an L-shaped connecting pipe 22, a U-shaped drainage pipe 23 and a plurality of vertical pipes 24; one end of the L-shaped connecting pipe 22 is connected to the pump body 21, and the other end passes through the cover plate 18 and is connected to the U-shaped drainage pipe 23; the U-shaped drainage pipe 23 is arranged horizontally, and a solenoid valve for controlling the liquid flow is arranged on it; a plurality of vertical pipes 24 are connected to the bottom of the U-shaped drainage pipe 23 in a row in sequence, and are vertically arranged in the planting box 2; the nozzles 25 are respectively installed on the bottom of the corresponding vertical pipes 24. The opening and closing of the U-shaped drainage pipe 23 is controlled by the solenoid valve; the vertical pipe 24 passes through the planting tray 4, so as to spray the nutrient solution directly on the root water surface of the submerged plants in the rainwater gallery.

[0039] Therefore, by starting the electric push rod 17, the electric push rod 17 pushes the cover 18 down to cover the planting box 2; the low-light lamp 19 is started to illuminate the planting box 2 with the low-light lamp 19 to create a low-light environment for submerged plants in the rainwater corridor for the plants; the nutrient solution is introduced into the measuring cylinder 20, and the nutrient solution is observed through the measuring cylinder 20, and the pump body 21 is started to make the pump body 21 extract the nutrient solution through the L-shaped connecting pipe 22 and the U-shaped discharge pipe 23 and then transfer it to the vertical pipe 24, and spray it through the nozzle 25, so as to achieve the effect of facilitating rapid quantification, mixing of nutrient solution and effective spraying irrigation.

[0040] At the same time, a cleaning mechanism is also provided in the planting box 2, and the cleaning mechanism includes a driving motor 26, the driving motor 26 is installed on an outer side of the planting box 2, and the driving end extends into the planting box 2 and is sequentially connected to the first transmission belt 27 and the second transmission belt 28; wherein, one end of the first transmission belt 27 is connected to the second screw 29 for driving the second screw 29 to rotate; the second screw 29 is rotatably installed on the planting box 2; a second slider 30 that can move linearly is installed on the second screw 29; at the same time, one end of the second transmission belt 28 is connected to the third The screw rod 31 is used to drive the third screw rod 31 to rotate; the third screw rod 31 is rotatably mounted on the planting box 2; a third slider 32 that can move linearly is mounted on the third screw rod 31; a cleaning plate 33 is commonly connected between the second slider 30 and the third slider 32; the cleaning plate 33 is linearly movably arranged on the upper surface of the bottom plate of the planting box 2, and is used to clean the inside of the planting box 2; in addition, a collection frame 34 is arranged in the planting box 2, and the collection frame 34 is located near the driving motor 26 and below the cleaning plate 33, and is used to collect the cleaned garbage. Hooks 14 are arranged on the tops of the opposite ends of the collection frame 34, and the two hooks 14 are detachably overlapped on the grooves on the opposite sides of the planting box 2.

[0041] By starting the drive motor 26, the drive motor 26 drives the second screw 29 and the third screw 31 to rotate through the first transmission belt 27 and the second transmission belt 28 respectively, the second screw 29 drives the second slider 30 to move toward the direction close to the collection frame 34, and the third screw 31 drives the third slider 32 to move toward the direction close to the collection frame 34, the second slider 30 and the third slider 32 jointly drive the cleaning plate 33 to clean the garbage at the bottom of the planting box 2 into the collection frame 34, and lift the collection frame 34 through the hook 14, so as to achieve the effect of facilitating the cleaning of the garbage inside the planting box 2, saving time and effort, greatly improving work efficiency, and reducing manual labor intensity.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A rainwater gallery submerged plant acclimatization experimental device under weak light environment, characterized in that: The invention comprises a water depth regulating mechanism, wherein the water depth regulating mechanism comprises a water tank; a planting box with adjustable liquid level is fixedly connected to the top of the water tank, and a water inlet pipe is connected between the water tank and the same side of the planting box; a planting tray is arranged inside the planting box, and a box body for adjusting the liquid level in the planting box is penetrated at the other side; the height of the box body is lower than the height of the water tank, and the liquid level in the inner cavity is consistent with the liquid level in the inner cavity of the planting box; a vertically arranged retractable hose and a conduit are connected in sequence between the inner cavity of the box body and the upper part of the other side of the water tank, the retractable hose extends into the inner cavity of the box body and is connected with a water outlet pipe on the top, and the length direction of the water outlet pipe intersects with the length direction of the retractable hose; the water outlet pipe is arranged in the inner cavity of the box body in a manner that it can be raised and lowered, and a water outlet is provided on the side wall, which is respectively connected to the box body and the retractable hose, and is used to transfer excess water in the box body to the water tank via the retractable hose and the conduit.

2. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 1 is characterized in that: A water pump is arranged inside the water tank, the output end of the water pump is connected to the water inlet pipe, and the water inlet pipe is connected to the water inlet on one side of the planting box.

3. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 1 is characterized in that: A rotatable first screw is vertically arranged in the box body, the bottom end of the first screw extends out of the bottom of the box body and is fixedly connected with a knob, and the knob is used to drive the first screw to rotate in the inner cavity of the box body; a first slider that can move up and down is installed on the first screw, the water outlet pipe is connected to the first slider, and the first slider is used to drive the water outlet pipe to rise and fall in the box body.

4. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 1 is characterized in that: A transparent window for observing the liquid level in the box body is provided at the front end of the box body, and a scale is provided at the front end of the transparent window.

5. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 1 is characterized in that: It also includes a dosing mechanism, which includes a U-shaped bracket with an opening facing downward, and the two ends of the U-shaped bracket are respectively connected to the two opposite outer side walls of the planting box; a vertically arranged electric push rod is connected to the U-shaped bracket, and the lower end of the electric push rod is connected to a cover plate, and the inner top wall of the cover plate is fixedly connected to a low-light lamp; a measuring cylinder is connected to the top of the cover plate, and a pump body is connected to the measuring cylinder, and a driving end of the pump body is connected to a transmission pipe, which passes through the cover plate and extends into the planting box; a plurality of nozzles are installed on the transmission pipe for spraying the plants on the planting tray.

6. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 5 is characterized in that: The transmission pipeline includes an L-shaped connecting pipe, a U-shaped drainage pipe and a plurality of vertical pipes; one end of the L-shaped connecting pipe is connected to the pump body, and the other end passes through the cover plate and is connected to the U-shaped drainage pipe; the U-shaped drainage pipe is horizontally arranged; a plurality of vertical pipes are connected to the bottom of the U-shaped drainage pipe in rows in sequence, and are vertically arranged in the planting box; the nozzles are respectively installed on the bottom of the corresponding vertical pipes.

7. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 1 is characterized in that: The cleaning mechanism also includes a driving motor, the driving motor is installed on an outer side of the planting box, and the driving end extends into the planting box and is sequentially connected to a first transmission belt and a second transmission belt; one end of the first transmission belt is connected to the second screw for driving the second screw to rotate; the second screw is rotatably installed on the planting box; a second slider that can move linearly is installed on the second screw; one end of the second driving belt is connected to the third screw for driving the third screw to rotate; the third screw is rotatably installed on the planting box; a third slider that can move linearly is installed on the third screw; a cleaning plate is commonly connected between the second slider and the third slider; the cleaning plate is linearly movably arranged on the upper surface of the bottom plate of the planting box for cleaning the interior of the planting box; a collecting frame is arranged in the planting box, the collecting frame is located near the driving motor and below the cleaning plate for collecting cleaned garbage.

8. The rainwater gallery submerged plant acclimatization experimental device under weak light environment according to claim 7 is characterized in that: Hooks are arranged on the tops of the two opposite ends of the collecting frame, and the two hooks are detachably connected to the grooves on the two opposite sides of the planting box.

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