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CN-122004065-A - Experimental device for simulate plant waterlogging is forced

CN122004065ACN 122004065 ACN122004065 ACN 122004065ACN-122004065-A

Abstract

The invention discloses an experimental device for simulating waterlogging stress of plants, which relates to the technical field of plant experiments, and the technical scheme comprises an experimental tank body, wherein vortex-preventing heads are fixedly connected at the front end and the rear end of the experimental tank body, a circulating pipe is fixedly connected at the upper part of the vortex-preventing heads, a turbine is rotationally connected inside the circulating pipe at the front end of the experimental tank body, a third gear is fixedly connected at the upper part of the turbine, a second gear is connected with the third gear in a meshed manner, a first motor is arranged at the front end of the experimental tank body, the second gear is arranged at the output end of the first motor, the second gear can be driven to rotate by starting the first motor in the experimental process, the turbine can be driven to rotate by rotating the second gear, the turbine can drive the water body in the experimental tank body to flow and circulate, the circulating structure continuously updates the root area water body, the concentration of harmful substances is reduced, the plant is prevented from being influenced by eddy current through the eddy current prevention heads and the filter screen arranged on the two sides of the experimental tank body in the circulating process, and impurities in the water body are filtered.

Inventors

  • SHA SHANSHAN
  • SUN TINGTING

Assignees

  • 哈尔滨学院

Dates

Publication Date
20260512
Application Date
20260402

Claims (8)

  1. 1. The experimental device for simulating waterlogging stress of plants comprises an experimental tank body (1) and is characterized in that the front end and the rear end of the experimental tank body (1) are fixedly connected with vortex-proof heads (2), the upper parts of the vortex-proof heads (2) are fixedly connected with circulating pipes (3), the upper parts of the experimental tank body (1) are located in front of the circulating pipes (3), turbines (16) are connected in a rotating mode, the upper parts of the turbines (16) are fixedly connected with third gears (18), the third gears (18) are connected with second gears (17) in a meshed mode, the front ends of the experimental tank body (1) are provided with first motors (4), the output ends of the first motors (4) are fixedly connected with second gears (17), the second gears (17) are far away from one end of each first motor (4) and are fixedly connected with speed reducers (19), the output ends of the speed reducers (19) are provided with transmission components, the lower parts of the transmission components are fixedly connected with cleaning rotating rods (23), the cleaning rods (23) are fixedly connected with the cleaning rods, the upper parts of the cleaning rods (23) are fixedly connected with the cleaning rods (24) and are tightly attached to the outer sides of the cleaning brushes (2), and the cleaning rods are tightly attached to the cleaning rods (24).
  2. 2. The experimental device for simulating waterlogging stress of plants according to claim 1, wherein the transmission assembly comprises a first transmission wheel (20) fixedly connected with the output end of the speed reducer (19), the first transmission wheel (20) is in transmission connection with a second transmission wheel (22) through a transmission belt (21), and the second transmission wheel (22) is fixedly connected with the upper part of the cleaning rotating rod (23).
  3. 3. The experimental device for simulating waterlogging stress of plants according to claim 1, wherein a filter screen (10) is fixedly connected to the outer side of the water inlet end of the vortex-preventing head (2).
  4. 4. The experimental device for simulating waterlogging stress of plants according to claim 1, wherein aeration pipes (8) and nitrogen pipes (9) are fixedly connected to inner walls of two sides of the experimental tank body (1), a plurality of groups of aeration pipes (8) and nitrogen pipes (9) are fixedly connected to inner walls of two sides of the experimental tank body (1), one side, close to the experimental tank body (1), of each group of aeration pipes (8) and nitrogen pipes (9) is correspondingly provided with an air inlet head (6), the air inlet heads (6) are fixedly connected with the inner walls of the experimental tank body (1), and output ends of the aeration pipes (8) and the nitrogen pipes (9) are communicated with the air inlet heads (6).
  5. 5. The experimental device for simulating waterlogging stress of plants according to claim 4, wherein the air inlet head (6) is provided with a regulating valve (7) at the communication position of the aeration pipe (8) and the nitrogen pipe (9), and one end of the air inlet head (6) positioned in the experimental tank body (1) is fixedly connected with a guide shell (5).
  6. 6. The experimental device for simulating waterlogging stress of plants according to claim 5, wherein a second motor (11) is fixedly installed on the inner side wall of the regulating valve (7), the output end of the second motor (11) is fixedly connected with a first gear (12), and the first gear (12) is rotatably connected with the inner side wall of the regulating valve (7) through a bearing.
  7. 7. The experimental device for simulating waterlogging stress of plants according to claim 6, wherein two sides of the first gear (12) are connected with a transmission rack (13) in a meshed mode, the transmission rack (13) is slidably connected with the inner side wall of the regulating valve (7), and one end, away from the first gear (12), of the transmission rack (13) is fixedly connected with a connecting rod (14).
  8. 8. The experimental device for simulating waterlogging stress of plants according to claim 7, wherein a movable baffle (15) is fixedly connected to one end of the connecting rod (14) away from the transmission rack (13), the movable baffle (15) is slidably connected with the inner side wall of the regulating valve (7), and the movable baffle (15) is matched with the discharge ports of the aeration pipe (8) and the nitrogen pipe (9).

Description

Experimental device for simulate plant waterlogging is forced Technical Field The invention relates to the technical field of plant stress-resistant physiological experiments, in particular to an experimental device for simulating waterlogging stress of plants. Background The plant waterlogging stress is an important direction of plant stress-resistant physiological research, a stable and accurate natural flooding environment is required to be reproduced in a plant waterlogging stress experiment, standardized test conditions are provided for identifying the waterlogging resistance of plants, exploring a physiological response mechanism and screening stress-resistant varieties, meanwhile, an experimental device is required to accurately regulate and control the flooding depth, the duration and the hypoxia degree, simulate different stress intensities of field waterlogging, full flooding and the like, and adapt to cultivation of potted plants and small plants, so that the requirements of long-term continuous control experiments and multi-dimensional index measurement are met. At present, the current plant waterlogging stress experimental device adopts static water body to simulate the waterlogging environment more, still water easily leads to plant root system secretion accumulation, microorganism anaerobic fermentation, and then cause the root system to turn black and rot, and current device can't realize water circulation and update, is difficult to accurate regulation and control water dissolved oxygen volume simultaneously, can't simulate the waterlogging environment of different hypoxia degree, leads to experimental condition inhomogeneous, and environmental error is great, and experimental data's reliability and repeatability are relatively poor, can't satisfy the accurate demand of plant waterlogging stress mechanism research and waterlogging resistance variety evaluation. In order to solve the technical problems, the invention provides an experimental device for simulating waterlogging stress of plants. Disclosure of Invention The invention aims to solve the technical defects that in the prior art, a plant waterlogging stress experimental device adopts a static water body, root secretions are easy to accumulate, experimental effects are poor due to microbial anaerobic fermentation, water circulation update cannot be realized, and the dissolved oxygen of the water body is difficult to accurately regulate and control. In order to achieve the above purpose, the present invention adopts the following technical scheme: The experimental device for simulating the waterlogging stress of the plants comprises an experimental tank body, vortex-preventing heads are fixedly connected to the front end and the rear end of the experimental tank body, a circulating pipe is fixedly connected to the upper portion of the vortex-preventing heads, a turbine is rotatably connected to the inside of the circulating pipe at the front end of the experimental tank body, a third gear is fixedly connected to the upper portion of the turbine, the third gear is meshed with a second gear, a first motor is fixedly arranged at the front end of the experimental tank body, the output end of the first motor is fixedly connected with the second gear, one end of the second gear, far away from the first motor, is connected with a speed reducer, a transmission assembly is arranged at the output end of the speed reducer, a cleaning rotating rod connected with the vortex-preventing heads in a rotating mode is fixedly connected to the lower portion of the transmission assembly, a cleaning head attached to the outer surface of the vortex-preventing heads is fixedly connected to the upper portion of the cleaning rotating rod, the first motor drives the turbine to rotate through the second gear and the third gear, meanwhile the speed reducer drives the cleaning rotating rod to rotate through the transmission assembly, and automatic cleaning of the vortex-preventing heads is guaranteed. The technical scheme of the invention also comprises the following preferable structural characteristics: 1. The transmission assembly comprises a first transmission wheel fixedly connected with the output end of the speed reducer, the first transmission wheel is in transmission connection with a second transmission wheel through a transmission belt, the second transmission wheel is fixedly connected with the upper part of the cleaning rotating rod, and the power of the speed reducer is stably transmitted to the cleaning rotating rod through transmission cooperation of the first transmission wheel, the transmission belt and the second transmission wheel. 2. The filter screen is fixedly connected to the outer side of the water inlet end of the vortex-preventing head and is used for filtering water impurities entering the circulating pipe, and the impurities are prevented from entering the turbine to affect the normal operation of the turbine. 3. The experimental tank