CN114034822A - Experimental device for simulating influence of atmospheric sedimentation on plants - Google Patents
Experimental device for simulating influence of atmospheric sedimentation on plants Download PDFInfo
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- CN114034822A CN114034822A CN202111455914.3A CN202111455914A CN114034822A CN 114034822 A CN114034822 A CN 114034822A CN 202111455914 A CN202111455914 A CN 202111455914A CN 114034822 A CN114034822 A CN 114034822A
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 27
- 238000002474 experimental method Methods 0.000 claims abstract description 62
- 239000002245 particle Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 10
- 238000000605 extraction Methods 0.000 claims description 9
- 238000004088 simulation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 18
- 239000013618 particulate matter Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 2
- 206010028347 Muscle twitching Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0098—Plants or trees
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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Abstract
The invention provides an experimental device for simulating the influence of atmospheric sedimentation on plants, which belongs to the technical field of experimental devices and comprises an experimental table, an experimental box, a bearing plate and a sliding part. The inside of experimental box has experimental space and is equipped with and takes out the hole, experimental box and laboratory bench along vertical direction sliding connection. The loading board level sets up and is located the below in experimental space, and when the experiment box slided downwards to first predetermined position, the loading board can seal and get the hole. The slider is connected with the laboratory bench along horizontal direction sliding, and when the experimental box upwards slided to the second and predetermine the position, the slider can slide the switching and get out the hole. According to the experimental device for simulating the influence of the atmospheric sedimentation on the plants, the plants and the sampling device do not need to be taken out of the experimental space, so that the problem that an operator not only difficultly takes out the plants and the sampling device from the experimental space, but also easily scratches particles on the inner wall of the experimental space or other articles can be solved.
Description
Technical Field
The invention belongs to the technical field of experimental devices, and particularly relates to an experimental device for simulating the influence of atmospheric sedimentation on plants.
Background
In recent years, industrial production, urbanization, agriculture and other human activities cause serious air pollution problems. Heavy metals are usually combined with fine particles in the atmosphere, suspended in the air, and these suspended particles have a great influence on crops, and the influence of atmospheric sedimentation on plants needs to be studied through experiments. Current experimental apparatus includes an experimental box, has a confined experimental space in the experimental box, and the simulation atmosphere subsides in the experimental space to set up plant and sampling device in the experimental space, after a period of stewing, open the experimental box door, take out plant and sampling device from the experimental space and study. When taking out plant and sampling device, because the experiment space is narrow and small and still have some other article, operating personnel not only follows the interior plant of taking out of experiment space and sampling device comparatively difficult, but also rubs the particulate matter on the experiment space inner wall or some other article very easily, and these particulate matters probably cause the injury to operating personnel.
Disclosure of Invention
The invention aims to provide an experimental device for simulating the influence of atmospheric sedimentation on plants, and aims to solve the problems that an operator is difficult to take out the plants and a sampling device from an experimental space, and particles on the inner wall of the experimental space or on other articles are easy to rub.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides an experimental apparatus for simulation atmosphere subsides influence to plant, includes laboratory bench, experimental box, loading board and slider. The inside of experimental box has the experimental space just be equipped with on the diapire in experimental space and get the hole, the experimental box with laboratory bench is along vertical direction sliding connection. The loading board level sets up and is located the below in experimental space, works as when the experimental box slides down to first predetermined position, the loading board can seal the extraction hole. The sliding piece is connected with the experiment table in a sliding mode along the horizontal direction, and when the experiment box slides upwards to a second preset position, the sliding piece can slide to open and close the taking hole.
In a possible implementation manner, the bearing plate is fixedly arranged on the sliding part, and when the sliding part slides to close the taking-out hole, the bearing plate can avoid a vertical space where the experimental box is located; when the sliding piece slides to open the taking-out hole, the bearing plate can be positioned right below the taking-out hole.
In a possible implementation mode, the inner wall of experimental box has set firmly the annular frame, the annular frame with the sealed laminating of circumference between the experimental box, the annular frame encloses to constitute get the hole, works as the slider slides and opens get behind the hole just when the experimental box glides downwards to first preset position, the annular frame with slider butt and seal cover are located outside the loading board.
In a possible implementation manner, the surface of the sliding part for closing the taking-out hole is provided with a receiving groove, and when the sliding part slides to close the taking-out hole, the receiving groove is aligned with the taking-out hole.
In a possible implementation manner, the experiment table further comprises a horizontally arranged closing plate, the bottom surface of the closing plate is flush with the surface of the sliding part for arranging the receiving groove, and when the sliding part slides to open the taking hole, the closing plate can close the receiving groove.
In a possible implementation manner, the experiment table has a horizontally arranged experiment board, the experiment board is located below the sliding part, the experiment box has two sliding walls which are parallel to the sliding part in a sliding manner, the sliding walls extend downwards to the lower part of the experiment space and penetrate through the experiment board in a sliding manner, the sliding part is located between the two sliding walls, and the experiment device further comprises a limiting plate and a limiting bag. The limiting plate is horizontally arranged, the limiting plate is located below the experiment plate and between the two sliding walls, and the limiting plate is fixedly connected with the two sliding walls. The limiting bag is fixedly arranged on the limiting plate, gas is filled in the limiting bag, and when the experiment box slides upwards to a second preset position, the limiting bag is abutted to the experiment plate.
In one possible implementation, the experimental apparatus further comprises a fan, a holding vessel, a delivery pipe and a cap. The fan is located the top in the experimental space and with experimental box fixed connection, the fan can blow downwards. Hold the household utensils and be located in the experimental space the below of fan and with experimental box fixed connection, hold and be used for holding the particulate matter in the household utensils. The conveyer pipe is personally submitted the contained angle setting with the level, and the middle part is sealed to be penetrated the lateral wall of experimental box and with experimental box fixed connection, the lower extreme of conveyer pipe is located in the experimental space and be located hold directly over the household utensils. The sealing cap is hermetically sleeved at one end of the conveying pipe outside the experimental box and is detachably connected with the conveying pipe.
In a possible implementation, the experimental apparatus further comprises a positioning member. The setting element with slider sliding connection and slip direction with the conveyer pipe is parallel, works as experimental box upwards slides to the second and predetermines the position, disconnection the block with the connection of conveyer pipe just the slider slides and seals get behind the hole, the setting element can slide and penetrate the conveyer pipe.
In a possible implementation, the setting element is the tubular structure, include with the parallel rake and the vertical portion of conveyer pipe, the lower extreme of rake is used for sliding to penetrate in the conveyer pipe, the lower extreme of vertical portion connect with the upper end of rake, the upper end of vertical portion is tubaeform structure and cross-sectional area from bottom to top and increases in proper order.
In a possible implementation, the experimental device further comprises a fixing member, a fixing plate, a guide shaft and a driving shaft. The mounting with slider fixed connection is equipped with the screw hole just the axial of screw hole with the conveyer pipe is parallel. The fixing plate is perpendicular to the conveying pipe and fixedly connected with the positioning piece. The guide shaft is parallel to the conveying pipe, and the guide shaft is fixedly connected with the fixing plate and penetrates through the fixing piece in a sliding mode. The drive shaft with the conveyer pipe is parallel, and the lateral wall has the annular groove, the rotatable card of annular groove is equipped with in the fixed plate, the drive shaft has the screw thread section, the screw thread section wear to locate in the screw thread hole and with screw hole threaded connection.
In this application embodiment, earlier with the experiment case upwards slide to the second preset the position, then put plant and sampling device on the loading board, then with the experiment case downwards slide to the first preset the position for the loading board seals and takes out the hole, just so can subside in the simulated atmosphere in the experimental space. When the plants and the sampling device need to be taken out, the experiment box is upwards slid to a second preset position, then the sliding piece is driven to slide to close the taking hole, so that particles in the experiment space are prevented from leaking out of the taking hole, and the plants and the sampling device can be taken down from the bearing plate. Because need not follow and take out plant and sampling device in the experimental space, so can avoid operating personnel not only follow the experimental space and take out plant and sampling device comparatively difficult, but also the problem of rubbing the particulate matter on experimental space inner wall or some other article very easily.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of an axis structure of a state 1 of an experimental apparatus for simulating the influence of atmospheric sedimentation on plants according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic diagram of an axis structure of a state 2 of an experimental apparatus for simulating the influence of atmospheric sedimentation on plants according to an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of a portion B of FIG. 3;
FIG. 5 is a schematic diagram of an axial structure of a test bench in an experimental apparatus for simulating the influence of atmospheric sedimentation on plants according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of an axial structure of an experimental box in an experimental apparatus for simulating the effect of atmospheric sedimentation on plants according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an axial structure of a sliding member in an experimental apparatus for simulating the effect of atmospheric sedimentation on plants according to an embodiment of the present invention;
fig. 8 is a schematic axial structure diagram of a driving shaft in an experimental apparatus for simulating the influence of atmospheric sedimentation on plants according to an embodiment of the present invention.
In the figure: 1. a laboratory bench; 11. a closing plate; 12. an experimental plate; 13. connecting columns; 2. an experimental box; 21. an experimental space; 22. an annular frame; 221. taking out the hole; 23. a sliding wall; 24. an air inlet; 25. a filter screen; 3. a carrier plate; 4. a slider; 41. a receiving groove; 42. a slide bar; 43. a sealing plug; 5. a limiting plate; 6. a limiting bag; 7. a fan; 8. a holding vessel; 9. a delivery pipe; 10. sealing the cap; 110. a positioning member; 1101. an inclined portion; 1102. a vertical portion; 120. a fixing member; 130. a fixing plate; 140. a guide shaft; 150. a drive shaft; 1501. an annular groove; 1502. a threaded segment.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 3, an experimental apparatus for simulating the effect of atmospheric sedimentation on plants according to the present invention will now be described. The experimental device for simulating the influence of atmospheric sedimentation on plants comprises an experimental table 1, an experimental box 2, a bearing plate 3 and a sliding piece 4. The inside of experimental box 2 has experiment space 21 and is equipped with on the diapire of experiment space 21 and takes out hole 221, and experimental box 2 and laboratory bench 1 are along vertical direction sliding connection. The loading plate 3 is horizontally disposed and located below the experimental space 21, and when the experimental box 2 slides downwards to the first predetermined position, the loading plate 3 can seal the taking-out hole 221. The sliding piece 4 is connected with the experiment table 1 in a sliding mode along the horizontal direction, and when the experiment box 2 slides upwards to the second preset position, the sliding piece 4 can slide to open and close the taking-out hole 221.
Compared with the prior art, the experimental device for simulating the influence of the atmospheric sedimentation on the plants, provided by the invention, has the advantages that the experimental box 2 slides upwards to the second preset position, then the plants and the sampling device are placed on the bearing plate 3, and then the experimental box 2 slides downwards to the first preset position, so that the bearing plate 3 seals the taking hole 221, and the atmospheric sedimentation can be simulated in the experimental space 21. When the plant and the sampling device need to be taken out, the experiment box 2 is slid upwards to the second preset position, and then the sliding piece 4 is driven to slide and close the taking-out hole 221 so as to prevent particles in the experiment space 21 from leaking out of the taking-out hole 221, and thus the plant and the sampling device can be taken out from the bearing plate 3. Because need not follow and take out plant and sampling device in the laboratory space 21, so can avoid operating personnel not only be difficult to follow and take out plant and sampling device in the laboratory space 21, but also the problem of the particulate matter on the very easy twitching of laboratory space 21 inner wall or some other article.
In some embodiments, referring to fig. 1, the sliding member 4 has a sliding rod 42 disposed along the sliding direction of the sliding member 4, the sliding rod 42 has a rectangular cross section, and the experiment table 1 is fixedly provided with a connecting column 13, and the connecting column 13 is slidably sleeved outside the sliding rod 42.
In some embodiments, referring to fig. 1 and 3, the carrying plate 3 is fixed on the sliding member 4, when the sliding member 4 slides to close the taking hole 221, the carrying plate 3 can be avoided from the vertical space where the experimental box 2 is located, so that the plant and the sampling device can be more conveniently taken down from the carrying plate 3, when the sliding member 4 slides to open the taking hole 221, the carrying plate 3 can be located right below the taking hole 221, and at this time, when the experimental box 2 slides downwards to the first preset position, the carrying plate 3 can close the taking hole 221.
In some embodiments, referring to fig. 1 and 6, the inner wall of the experiment box 2 is fixedly provided with the annular frame 22, the annular frame 22 is circumferentially and hermetically attached to the experiment box 2, the annular frame 22 forms the taking-out hole 221, and when the sliding member 4 slides to open the taking-out hole 221 and the experiment box 2 slides downwards to the first predetermined position, the annular frame 22 abuts against the sliding member 4 and is hermetically sleeved outside the loading plate 3. The sliding of the sliding element 4 can be prevented by the annular frame 22 limiting the position of the carrier plate 3.
In this embodiment, the annular frame 22 may be made of rubber, so as to ensure the sealing between the annular frame 22 and the bearing plate 3, and the annular frame 22 and the inner wall of the experimental box 2 may be fixed in a sealing manner by glue.
In some embodiments, referring to fig. 3 and 7, the surface of the slider 4 that closes the extraction hole 221 is provided with a receiving groove 41, and when the slider 4 slides to close the extraction hole 221, the receiving groove 41 is aligned with the extraction hole 221. Part of the particles in the test space 21 will fall through the outlet hole 221 onto the slide 4 and be collected by the receiving groove 41 to avoid scattering around when the slide 4 slides open the outlet hole 221.
In some embodiments, referring to fig. 1 and 5, the experiment table 1 further comprises a horizontally arranged closing plate 11, wherein the bottom surface of the closing plate 11 is flush with the surface of the sliding member 4 for arranging the receiving groove 41, and when the sliding member 4 slides to open the taking-out hole 221, the closing plate 11 can close the receiving groove 41 to prevent the particles in the receiving groove 41 from floating out of the receiving groove 41 under the action of the external air flow.
In some embodiments, referring to fig. 1 and 7, the bottom wall of the receiving groove 41 is disposed at an angle with respect to the horizontal plane, the side wall of the sliding member 4 is provided with a collecting hole communicated with the bottom end of the bottom wall of the receiving groove 41, and a sealing plug 43 is disposed in the collecting hole, so that when a certain amount of the particulate matter in the receiving groove 41 is reached, the sealing plug 43 can be removed and the particulate matter in the receiving groove 41 can be collected through the collecting hole.
In some embodiments, referring to fig. 3 and 5, the experiment table 1 has a horizontally arranged experiment board 12, the experiment board 12 is located below the sliding part 4, the experiment box 2 has two sliding walls 23 parallel to the sliding square of the sliding part 4, the sliding walls 23 extend downward to the lower part of the experiment space 21 and slidably penetrate the experiment board 12, so that the experiment box 2 is slidably connected with the experiment table 1 in the vertical direction, the sliding part 4 is located between the two sliding walls 23, and the experiment device further comprises a limit plate 5 and a limit bag 6. The limiting plate 5 is horizontally arranged, the limiting plate 5 is located below the experiment board 12 and between the two sliding walls 23, and the limiting plate 5 is fixedly connected with the two sliding walls 23. Spacing bag 6 sets firmly on limiting plate 5 and inside packing has gas, when experimental box 2 upwards slides to the second and predetermines the position, spacing bag 6 and experimental board 12 butt. Spacing through experiment board 12 to spacing bag 6 can make experiment box 2 quick slip to the second preset the position, simultaneously because spacing bag 6 packing has gas, so when spacing bag 6 and experiment board 12 butt, through spacing bag 6's shock attenuation, can avoid the too much dropping of adnexed particulate matter on the 2 inner walls of experiment box.
In some embodiments, referring to fig. 1, the experimental set-up further comprises a fan 7, a holding vessel 8, a delivery tube 9 and a closure cap 10. The fan 7 is positioned at the top part in the experimental space 21 and is fixedly connected with the experimental box 2, and the fan 7 can blow downwards. Hold the below of household utensils 8 internal fan 7 that is located experimental space 21 and with experimental box 2 fixed connection, hold and be used for holding the particulate matter in the household utensils 8. Conveyer pipe 9 is the contained angle setting with the horizontal plane, and the middle part is sealed to pierce through experimental box 2's lateral wall and with experimental box 2 fixed connection, and the lower extreme of conveyer pipe 9 is located experimental space 21 and is located and holds directly over household utensils 8. The sealing cap 10 is hermetically sleeved at one end of the conveying pipe 9 outside the experimental box 2 and detachably connected with the conveying pipe 9. The fan 7 blows the particles in the holding vessel 8 downwards so that the particles are suspended, thereby simulating atmospheric settling in the experimental space 21. When the particulate matters in the containing vessel 8 are reduced to a certain amount, the wind cap can be detached after the sedimentation is finished, and the particulate matters are put into the containing vessel 8 through one end of the conveying pipe 9, which is positioned outside the experimental box 2.
In the present embodiment, referring to fig. 1 and 7, the top wall of the experimental box 2 is provided with an air inlet 24 corresponding to the fan 7. An air outlet is arranged on the side wall of the experimental box 2, and a filter screen 25 is arranged in the air outlet to prevent particles from floating out of the experimental space 21. The filter screen 25 can adopt a HEPA high-efficiency filter screen 25. Experiment box 2 adopts transparent material, can adopt organic glass to be favorable to the normal growth of plant, conveniently observe the condition in experiment box 2 simultaneously. A filter screen 25 can also be arranged in the air inlet 24.
The end of the delivery pipe 9 outside the experimental box 2 can be provided with an external thread, and the inside of the sealing cap 10 is provided with an internal thread in threaded connection with the external thread.
In some embodiments, referring to fig. 4, the assay device further comprises a positioning member 110. The positioning member 110 is slidably connected to the sliding member 4 and has a sliding direction parallel to the conveying tube 9, and when the experimental box 2 slides upwards to the second predetermined position, the cap 10 is disconnected from the conveying tube 9 and the sliding member 4 slides to close the taking-out hole 221, the positioning member 110 can slide to penetrate into the conveying tube 9. After the positioning element 110 is slidably inserted into the delivery tube 9, the sliding direction of the positioning element is parallel to the delivery tube 9, i.e. the positioning element is arranged at an angle to the horizontal plane, so that the sliding element 4 sliding horizontally can be restricted from sliding continuously.
In some embodiments, referring to fig. 2 and 4, the positioning member 110 has a tubular structure, and includes an inclined portion 1101 parallel to the conveying pipe 9, a lower end of the inclined portion 1101 is configured to slidably penetrate into the conveying pipe 9, a lower end of the vertical portion 1102 is connected to an upper end of the inclined portion 1101, and an upper end of the vertical portion 1102 has a trumpet-shaped structure and a cross-sectional area sequentially increases from bottom to top. When the lower end of the inclined portion 1101 is slidably inserted into the conveying pipe 9, the granules can be relatively easily conveyed into the conveying pipe 9 through the upper end of the vertical portion 1102.
In this embodiment, the fan 7, the holding vessel 8, the conveying pipe 9 and the positioning member 110 are combined into a conveying unit, and the conveying unit may be provided in plurality. The axis of the vertical portion 1102 is vertical.
In some embodiments, referring to fig. 2 and 8, the experimental device further includes a fixing member 120, a fixing plate 130, a guide shaft 140, and a driving shaft 150. The fixing member 120 is fixedly connected with the sliding member 4, and is provided with a threaded hole, and the axial direction of the threaded hole is parallel to the conveying pipe 9. The fixing plate 130 is perpendicular to the delivery pipe 9 and is fixedly connected to the positioning member 110. The guide shaft 140 is parallel to the delivery tube 9, and the guide shaft 140 is fixedly connected to the fixing plate 130 and slidably penetrates the fixing member 120. The driving shaft 150 is parallel to the conveying pipe 9, the side wall of the driving shaft is provided with an annular groove 1501, the annular groove 1501 is rotatably clamped in the fixing plate 130, the driving shaft 150 is provided with a threaded section 1502, and the threaded section 1502 penetrates through the threaded hole and is in threaded connection with the threaded hole. The fixed fixing part 120, the fixed plate 130 and the guide shaft 140 can realize sliding connection between the positioning part 110 and the sliding part 4, the positioning part 110 can be driven to slide by rotating the driving shaft 150, and when the positioning part 110 slides to a proper position, the driving shaft 150 stops rotating, so that the sliding of the positioning part 110 can be limited, and the sliding of the sliding part 4 can be better limited.
In this embodiment, two guide shafts 140 may be provided, and the two guide shafts 140 are symmetrically provided at both sides of the driving shaft 150.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Experimental device of simulation atmosphere subsides influence to plant, its characterized in that includes:
a laboratory bench;
the experiment box is internally provided with an experiment space, a taking hole is formed in the bottom wall of the experiment space, and the experiment box is connected with the experiment table in a sliding mode along the vertical direction;
the bearing plate is horizontally arranged and located below the experimental space, and when the experimental box slides downwards to a first preset position, the bearing plate can seal the taking-out hole; and
and the sliding piece is connected with the experiment table in a sliding mode along the horizontal direction, and when the experiment box slides upwards to a second preset position, the sliding piece can slide to open and close the taking-out hole.
2. The experimental device for simulating the influence of atmospheric sedimentation on plants as claimed in claim 1, wherein the carrying plate is fixedly arranged on the sliding member, and when the sliding member slides to close the taking-out hole, the carrying plate can be avoided from opening a vertical space of the experimental box; when the sliding piece slides to open the taking-out hole, the bearing plate can be positioned right below the taking-out hole.
3. The experimental device for simulating the influence of atmospheric sedimentation on plants as claimed in claim 2, wherein an annular frame is fixedly arranged on the inner wall of the experimental box, the annular frame is in circumferential sealing fit with the experimental box, the annular frame surrounds the extraction hole, and when the sliding member slides to open the extraction hole and the experimental box slides downwards to a first preset position, the annular frame is abutted against the sliding member and is arranged outside the bearing plate in a sealing manner.
4. The experimental device for simulating the effect of atmospheric sedimentation on plants as claimed in claim 1, wherein the surface of the sliding member for closing the extraction hole is provided with a receiving groove, and when the sliding member slides to close the extraction hole, the receiving groove is aligned with the extraction hole.
5. The experimental device for simulating the influence of atmospheric sedimentation on plants as claimed in claim 4, wherein the experimental bench further comprises a horizontally arranged closing plate, the bottom surface of the closing plate is flush with the surface of the sliding member for arranging the receiving groove, and the closing plate can close the receiving groove when the sliding member slides to open the taking hole.
6. The experimental setup for simulating the effect of atmospheric sedimentation on plants as claimed in claim 1, wherein the experimental bench has a horizontally disposed experimental plate located below the sliding member, the experimental box has two sliding walls parallel to the sliding square of the sliding member, the sliding walls extend downward below the experimental space and slidably penetrate the experimental plate, the sliding member is located between the two sliding walls, the experimental setup further comprises:
the limiting plate is horizontally arranged, is positioned below the experiment plate and between the two sliding walls, and is fixedly connected with the two sliding walls;
and the limiting bag is fixedly arranged on the limiting plate, the gas is filled in the limiting bag, and when the experiment box slides upwards to the second preset position, the limiting bag is abutted to the experiment plate.
7. The experimental apparatus for simulating the effect of atmospheric sedimentation on plants as claimed in claim 1, further comprising:
the fan is positioned at the top in the experimental space and is fixedly connected with the experimental box, and the fan can blow air downwards;
the containing vessel is positioned below the fan in the experimental space and is fixedly connected with the experimental box, and particles are contained in the containing vessel;
the conveying pipe is arranged at an included angle with the horizontal plane, the middle part of the conveying pipe penetrates through the side wall of the experiment box in a sealing mode and is fixedly connected with the experiment box, and the lower end of the conveying pipe is located in the experiment space and is located right above the containing vessel;
and the sealing cover cap is arranged on the conveying pipe, is positioned at one end outside the experimental box and is detachably connected with the conveying pipe.
8. The experimental apparatus for simulating the effect of atmospheric sedimentation on plants as claimed in claim 7, further comprising:
the setting element, with slider sliding connection and slip direction with the conveyer pipe is parallel, works as experimental box upwards slides to the second and predetermines position, disconnection the block with the connection of conveyer pipe just the slider slides and seals get behind the hole, the setting element can slide and penetrate the conveyer pipe.
9. The experimental device for simulating the influence of atmospheric sedimentation on plants as claimed in claim 8, wherein the positioning member has a tubular structure and comprises an inclined portion parallel to the conveying pipe and a vertical portion, the lower end of the inclined portion is used for sliding into the conveying pipe, the lower end of the vertical portion is connected with the upper end of the inclined portion, the upper end of the vertical portion has a horn-shaped structure, and the cross-sectional area of the vertical portion increases from bottom to top in sequence.
10. The experimental apparatus for simulating the effect of atmospheric sedimentation on plants as claimed in claim 8, further comprising:
the fixed piece is fixedly connected with the sliding piece and is provided with a threaded hole, and the axial direction of the threaded hole is parallel to the conveying pipe;
the fixing plate is perpendicular to the conveying pipe and is fixedly connected with the positioning piece;
the guide shaft is parallel to the conveying pipe, is fixedly connected with the fixing plate and penetrates through the fixing piece in a sliding manner;
the drive shaft, with the conveyer pipe is parallel, and the lateral wall has the annular groove, the rotatable card of annular groove is equipped with in the fixed plate, the drive shaft has the screw thread section, the screw thread section wear to locate in the screw thread hole and with screw hole threaded connection.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116793751A (en) * | 2023-08-21 | 2023-09-22 | 山西农业大学 | Improved mud sampler |
Citations (5)
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| CN116793751A (en) * | 2023-08-21 | 2023-09-22 | 山西农业大学 | Improved mud sampler |
| CN116793751B (en) * | 2023-08-21 | 2023-11-14 | 山西农业大学 | Improved mud sampler |
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| CN114034822B (en) | 2024-02-02 |
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