CN113607470A - Multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ - Google Patents
Multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ Download PDFInfo
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- CN113607470A CN113607470A CN202110890912.0A CN202110890912A CN113607470A CN 113607470 A CN113607470 A CN 113607470A CN 202110890912 A CN202110890912 A CN 202110890912A CN 113607470 A CN113607470 A CN 113607470A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention discloses a multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ, which comprises a first elastic pipeline for containing a main root system of a plant, wherein a second elastic pipeline for containing side root systems is arranged on the first elastic pipeline, water permeable and air permeable membranes are respectively arranged at the other ends of the first elastic pipeline and the second elastic pipeline, a plurality of communicating mechanisms with water delivery and soil suction functions are arranged in the pipe wall of the first elastic pipeline, different communicating mechanisms are in one-to-one correspondence and are communicated with the pipe wall of the second elastic pipeline, a cavity is arranged in the pipe wall of the second elastic pipeline, an annular partition plate connected with the cavity is arranged in the cavity and divides the cavity into a containing cavity and an extending cavity, the communicating mechanisms are respectively communicated with the containing cavity and the extending cavity, a first through hole is arranged at the end part of the second elastic pipeline, the first through hole is communicated with the extending cavity, and an elastic layer is arranged at the peripheries of the first elastic pipeline and the second elastic pipeline, this device can be along with plant roots grows and carry out synchronous parcel and realize harmless sample fast.
Description
Technical Field
The invention relates to a collecting device, in particular to a multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ.
Background
The plant root system is an important bridge for connecting soil and the overground part, plays an important role in absorbing water and nutrients, and meanwhile, the rhizosphere part is very active, secretes specific organic compounds, and accelerates the repair efficiency of the heavy metal polluted soil. Root exudates refer to a wide variety of substances secreted or released from different parts of the root system into the growth medium during the growth process of plants. The root exudates are not only considerable in quantity, but also very effective. The root exudates obviously change the physical, chemical and biological properties of the root-soil interface, thereby having important influence on the biological effectiveness of various nutrients in the soil.
Because the planting test of the sample plant needs to be carried out under the conditions that the growth conditions are very similar in the whole growth period, the collection of most root system plant secretions has many limitations, for example, only destructive sampling can be carried out, in the growth process of the plant root system, the root system can be gradually lengthened, increased and densely distributed in the soil, the sample is not easy to take out, after the plant root is taken out of the soil, the space occupied by the plant root in the original planting soil collapses, and when the plant root system is re-buried, the soil needs to be dug and re-buried, therefore, the soil distribution condition can be obviously influenced when the plant root system is taken out every time, the sample cannot be put back to the same or similar growth environment, the growth of the plant root system is obviously influenced, and the change of the growth environment is not beneficial to knowing the real growth condition of the plant root system.
In addition, in the process of collecting rhizosphere and non-rhizosphere soil of carrying out the plant, only be close to the root of the plant and just can gather the soil that can accurately react actual data, current equipment can't realize quick collection according to actual need, and the operation is inconvenient.
Disclosure of Invention
Aiming at the existing problems, the technical problem to be solved by the invention is that the multifunctional collecting device can synchronously wrap along with the growth of a plant root system and quickly realize lossless sampling, can reset the plant after the lossless sampling is realized, ensures that the planting test of a sample plant can be in an environment with similar growth conditions in the whole growth period, can obtain near rhizosphere soil, middle rhizosphere soil and far rhizosphere soil, can realize the transplantation of an external soil taking channel according to actual needs, and is convenient for quickly collecting the near rhizosphere soil, the middle rhizosphere soil and the far rhizosphere soil in situ.
The invention provides a multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ, which comprises a transparent first elastic pipeline for containing a main plant root system, wherein a plurality of transparent second elastic pipelines for containing side root systems are arranged on the first elastic pipeline, the other ends of the first elastic pipeline and the second elastic pipeline are respectively provided with a water-permeable and gas-permeable membrane, a plurality of communicating mechanisms with water delivery and soil suction functions are arranged in the pipe wall of the first elastic pipeline, different communicating mechanisms are in one-to-one correspondence with the pipe wall of the second elastic pipeline and are communicated with the pipe wall of the second elastic pipeline, a cavity is arranged in the pipe wall of the second elastic pipeline, an annular partition plate connected with the cavity is arranged in the cavity, the cavity is divided into a containing cavity and an extending cavity by the annular partition plate, the communicating mechanisms are respectively communicated with the containing cavity and the extending cavity, and the end part of the second elastic pipeline is provided with a first through hole, the first through hole is communicated with the extension cavity, the peripheries of the first elastic pipeline and the second elastic pipeline are provided with elastic layers, the elastic layer is hollow, the periphery of the elastic layer is covered with a heat insulation layer, the elastic layer is communicated with an external water source and a cold source, the elastic layer also comprises an external connecting pipe, the surface of the external connecting pipe is provided with a plurality of first through grooves, the internal part of the external connecting pipe is provided with an inner pipe, the inner pipe is penetrated with a sharp-prick pipe, the outer wall of the prick pipe is provided with a convex brim, the surface of the prick pipe is provided with a second through groove, the other end of the prick pipe is provided with a first containing box which is communicated with the prick pipe and is used for containing adhesive, a branch pipe communicated with the sharp prick pipe is arranged on the sharp prick pipe, a second containing box which is communicated with the branch pipe and can be disassembled is arranged at the other end of the branch pipe, and the second containing box is provided with a negative pressure pump communicated with the second containing box, and the negative pressure pump is electrically connected with an external power supply.
Preferably, the second elastic tube is disposed on the first elastic tube in a non-uniform state.
Preferably, the communicating mechanism includes first communicating pipe and second communicating pipe, first communicating pipe with corresponding in the second elastic conduit extend the chamber and be linked together, second communicating pipe passes hold the chamber with behind the annular partition plate with first through-hole is linked together, first communicating pipe be used for to extend the chamber and pour into the water source, second communicating pipe is used for taking soil out, first communicating pipe is linked together with external water source, second communicating pipe is linked together with external negative pressure air supply.
Preferably, an annular pipeline is arranged in the accommodating cavity and communicated with the second communicating pipe, a plurality of third communicating pipes are arranged on the annular pipeline, a plurality of second through holes are formed in the end portion of the second elastic pipeline, and the third communicating pipes are communicated with the second through holes.
Preferably, a plurality of capillary holes are formed in the surfaces of the first elastic pipe and the second elastic pipe.
Preferably, the top of the first elastic pipeline is provided with a fixed pipe, and the fixed pipe is provided with a funnel detachably connected with the fixed pipe.
Preferably, the internal week of fixed pipe is equipped with the different dope layer of a plurality of colours, the dope layer is used for coloring for the trunk department of plant.
Preferably, the spike tube is provided with a switch valve.
Preferably, the cross section of the inner tube is V-shaped.
Preferably, a detachable plugging mechanism is arranged in the spine tube, the plugging mechanism comprises an elastic block, a connecting rod fixedly connected with the elastic block is arranged at the top of the elastic block, a hole groove is formed in the spine tube, the connecting rod penetrates through the hole groove, an elastic ring fixedly connected with the inner tube is arranged at the top of the inner tube, the elastic ring is abutted to the inner wall of the outer tube, and a handle is arranged on the connecting rod.
The invention has the beneficial effects that:
the multifunctional collecting device for collecting the rhizosphere soil and the non-rhizosphere soil in situ is characterized in that a main root system of a plant is placed in the first elastic pipeline, so that a lateral root system of the plant can be positioned in the second elastic pipeline, then the soil is poured into the cultured container and the first elastic pipeline, so that the soil can enter the second elastic pipeline through the first elastic pipeline, the second elastic pipeline is not directly and completely attached to the first elastic pipeline due to the overweight of the second elastic pipeline, the root system of the plant is uniformly distributed, the pre-embedding work of the plant is further completed, then the culture work of the plant can be carried out, when the plant grows, the root system of the plant can grow towards the permeable part with richer water source due to the permeable membrane, and the root system of the plant can be distributed more reasonably, the harmless work of taking out of plant roots is carried out in the later stage to the later stage of being convenient for, because the developed degree of planting environment and the root system of different plants is different to and the root system can lengthen gradually in the growth process, through the effect of intercommunication mechanism, can be to the difference the second elastic pipeline carries out corresponding water that fills, thereby makes in the second elastic pipeline extend the chamber and constantly fill water, thereby makes the second elastic pipeline can lengthen gradually along with plant roots's growth, because the extension of second elastic pipeline can extrude the soil in the culture container for the gap between the soil granule reduces and influences the gas permeability, through the cooperation of intercommunication mechanism with first through-hole, thereby can suction the soil granule, make soil on the second elastic pipeline way of advance is by the suction, and to pour into a certain amount of soil into in the second elastic pipeline, therefore, the root system of the plant is not damaged due to excessive extrusion, and meanwhile, the root system of the plant can be maintained in a growth environment with higher similarity, so that the growth condition of the plant root system in the growth environment with higher similarity can be observed, and the detection data is more accurate; when the plant root system needs to be taken out in a nondestructive mode, the water source and the cold source are injected into the elastic layer, the water source in the elastic layer is frozen and solidified, due to the effect of the heat insulation layer, the situation that the frozen water absorbs a large amount of heat to cause soil cooling can be avoided, the plant root system is ensured to be harmless, meanwhile, the plant root system can be taken out completely by pulling the first elastic pipeline upwards, then a small amount of soil in the first elastic pipeline and the second elastic pipeline can be poured out quickly, the situation that the soil is difficult to separate from the plant root system can not occur, and therefore the plant root system can be taken out in a nondestructive mode; when the collection of root exudates is completed and the root exudates are reset, a small amount of soil led out from the first elastic pipeline and the second elastic pipeline can be put back into the first elastic pipeline and the second elastic pipeline, then the first elastic pipeline and the second elastic pipeline are put into the elastic layers fixed in the soil again, the planting test of the sample plants can be ensured to be under the environment with similar growth conditions in the whole growth period, the growth condition of the plant root systems can be better known, when the near rhizosphere soil, the middle rhizosphere soil and the far rhizosphere soil need to be collected, the sharp puncture tube and the external connection tube penetrate into the first elastic pipeline or the second elastic pipeline, and the puncture of the sharp puncture tube can be facilitated due to the transparency of the first elastic pipeline or the second elastic pipeline, the root of the plant is not easy to be damaged, when the sharp-pricked pipe just enters the first elastic pipeline or the second elastic pipeline, the rhizosphere soil far away can be sucked out through the action of the negative pressure pump and is guided into the second accommodating box through the branch pipe, then after the sharp-pricked pipe further enters the first elastic pipeline or the second elastic pipeline, the rhizosphere soil and the rhizosphere soil near the rhizosphere soil can be sucked out and respectively stored after the second accommodating box is replaced, so that the subsequent detection is convenient, when the external connecting pipe needs to be transplanted on the device, the adhesive in the first accommodating box is guided into the sharp-pricked pipe and is gradually pulled out until the external connecting pipe is separated from the first elastic pipeline or the second elastic pipeline, so that the adhesive can flow into the space between the inner pipe and the external connecting pipe through the second through groove, and then the adhesive can be bonded with the first elastic pipeline or the second elastic pipeline through the first through groove, the outer connecting pipe is bonded with the first elastic pipeline or the second elastic pipeline under the action of the adhesive, and then the inner pipe is drawn out from the outer connecting pipe through the convex eaves on the spine pipe, so that the transplanting work of the outer connecting pipe is completed, and the near rhizosphere soil, the middle rhizosphere soil and the far rhizosphere soil can be conveniently and rapidly collected subsequently.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a front view of the overall structure of a multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ after being transplanted with an external pipe;
FIG. 2 is a partial cross-sectional view of the partial structure of a multifunctional harvesting device for in situ rhizosphere and non-rhizosphere soil of the present invention prior to implantation of an extension tube;
FIG. 3 is a top view of the partial structure of a multifunctional collection device for in situ collection of rhizosphere and non-rhizosphere soil of the present invention prior to implantation of an extension tube;
FIG. 4 is a sectional view of the partial structure of a multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ before being transplanted to an external pipe;
FIG. 5 is an enlarged view of a portion of the multifunctional harvester of the invention in situ collecting rhizosphere and non-rhizosphere soil at FIG. 4A;
FIG. 6 is an overall cross-sectional view of a partial structure of a multifunctional harvesting device for in situ collection of rhizosphere and non-rhizosphere soil according to the present invention;
FIG. 7 is a front view of the plugging mechanism of a multi-functional harvesting device of the present invention for in situ collection of rhizosphere and non-rhizosphere soil.
In the figure, 1 is a first elastic pipeline, 2 is a second elastic pipeline, 3 is a permeable and breathable film, 4 is an annular partition plate, 5 is a containing cavity, 6 is an extension cavity, 7 is a first through hole, 8 is an elastic layer, 9 is a heat-insulating layer, 10 is a first communicating pipe, 11 is a second communicating pipe, 12 is an annular pipeline, 13 is a third communicating pipe, 14 is a second through hole, 15 is a fixed pipe, 16 is a funnel, 17 is a coating layer, 18 is an external connecting pipe, 19 is a first through groove, 20 is an inner pipe, 21 is a sharp-pointed pipe, 22 is a convex brim, 23 is a second through groove, 24 is a first containing box, 25 is a branch pipe, 26 is a second containing box, 27 is a negative pressure pump, 28 is a switch valve, 29 is an elastic block, 30 is a connecting rod, 31 is a hole groove, 32 is an elastic ring, and 33 is a handle.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the invention provides a multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ, which comprises a transparent first elastic pipeline 1 for containing a main root system of a plant, wherein a plurality of transparent second elastic pipelines 2 for containing lateral root systems are arranged on the first elastic pipeline 1, the other ends of the first elastic pipeline 1 and the second elastic pipelines 2 are respectively provided with a water-permeable and air-permeable membrane 3, a plurality of communicating mechanisms with water delivery and soil suction functions are arranged in the pipe wall of the first elastic pipeline 1, different communicating mechanisms are in one-to-one correspondence with and communicated with the pipe wall of the second elastic pipeline 2, a cavity is arranged in the pipe wall of the second elastic pipeline 2, an annular partition plate 4 connected with the cavity is arranged in the cavity, the annular partition plate 4 divides the cavity into a containing cavity 5 and an extending cavity 6, and the communicating mechanisms are respectively communicated with the containing cavity 5 and the extending cavity 6, the end part of the second elastic pipeline 2 is provided with a first through hole 7, the first through hole 7 is communicated with an extension cavity 6, the peripheries of the first elastic pipeline 1 and the second elastic pipeline 2 are provided with an elastic layer 8, the surface of the elastic layer 8 can be provided with a plurality of openings (not shown), the end parts of the first elastic pipeline 1 and the second elastic pipeline 2 can penetrate through the openings (not shown), the elastic layer 8 is hollow, the periphery of the elastic layer 8 is covered with a heat insulation layer 9, the elastic layer 8 is communicated with an external water source and a cold source, the device further comprises an external connecting pipe 18, the surface of the external connecting pipe 18 is provided with a plurality of first through grooves 19, the internal part of the external connecting pipe 18 is provided with an inner pipe 20, the inner pipe 20 penetrates through a sharp puncture pipe 21, the outer wall of the sharp puncture pipe 21 is provided with a convex brim 22, the surface of the sharp puncture pipe 21 is provided with a second through groove 23, the other end of the sharp puncture pipe 21 is provided with a first accommodating box 24 communicated with the sharp puncture pipe and used for accommodating an adhesive, be equipped with the bleeder 25 that is linked together with it on the spine pipe 21, the other end of bleeder 25 is equipped with and is linked together with it and detachable second holds case 26, the second holds the negative pressure pump 27 that is equipped with and is linked together with it on the case 26, negative pressure pump 27 is connected with external power supply electricity, places the main root system of plant in first elastic conduit 1 for the side root system of plant then can be located in second elastic conduit 2, then pour soil into the container of cultivateing and in first elastic conduit 1, thereby make soil can pass through first elastic conduit 1 gets into in the second elastic conduit 2, make second elastic conduit 2 can not because of self weight overweight directly with first elastic conduit 1 laminates completely, thereby makes the plant root system distribute evenly, and then accomplishes the pre-buried work of plant, then can carry out the cultivation work of plant, when a plant grows, because of the existence of the water-permeable and air-permeable membrane 3, the root system of the plant grows towards the water source richer position of the water-permeable and air-permeable membrane 3, so that the root system of the plant can be distributed more reasonably, the plant root system can be taken out in the later period without damage, because the developed degrees of the plant environment and the root systems of different plants are different, and the root system of the plant can be gradually lengthened in the growing process, through the function of the communicating mechanism, the second elastic pipeline 2 can be correspondingly filled with water, so that the extension cavity 6 in the second elastic pipeline 2 can be continuously filled with water, the second elastic pipeline 2 can be gradually lengthened along with the growth of the plant root system, because the extension of the second elastic pipeline 2 can extrude the soil in the culture container, gaps among soil particles are reduced, and the air permeability is influenced, through the matching of the communication mechanism and the first through hole 7, soil particles can be sucked, soil on the advancing route of the second elastic pipeline 2 is sucked out, a certain amount of soil is injected into the second elastic pipeline 2, so that the root system of the plant cannot be damaged due to excessive extrusion, the root system of the plant can be maintained in a growth environment with high similarity, the growth condition of the plant root system in the growth environment with high similarity can be observed, and the detection data is more accurate; when the plant root system needs to be taken out in a nondestructive mode, the water source and the cold source are injected into the elastic layer 8, the water source in the elastic layer 8 is frozen and solidified, due to the effect of the heat insulation layer 9, the situation that the frozen water absorbs a large amount of heat to cause soil cooling can be avoided, the plant root system is ensured to be harmless, meanwhile, the plant root system can be taken out completely by pulling the first elastic pipeline 1 upwards, then a small amount of soil in the first elastic pipeline 1 and the second elastic pipeline 2 can be poured out quickly, the situation that the soil is difficult to separate from the plant root system can not occur, and therefore the plant root system can be taken out in a nondestructive mode; when the collection of root exudates is completed and the root exudates are reset, a small amount of soil led out from the first elastic pipeline 1 and the second elastic pipeline 2 can be put back into the first elastic pipeline 1 and the second elastic pipeline 2, then the first elastic pipeline 1 and the second elastic pipeline 2 are put into the elastic layer 8 fixed in the soil again, so that the planting test of the sample plants can be ensured to be under the environment with similar growth conditions in the whole growth period, the growth conditions of the plant roots can be better known, when near rhizosphere soil, middle rhizosphere soil and far rhizosphere soil need to be collected, the puncture of the puncture tube 21 can be facilitated by penetrating the puncture tube 21 and the external connection tube 18 into the first elastic pipeline or the second elastic pipeline due to the transparency of the first elastic pipeline or the second elastic pipeline, the root of the plant is not easy to be damaged, when the prick pipe 21 just enters the first elastic pipeline or the second elastic pipeline, the far rhizosphere soil can be sucked out through the action of the negative pressure pump 27 and is guided into the second containing box 26 through the branch pipe 25, then after the prick pipe 21 further enters the first elastic pipeline or the second elastic pipeline, the rhizosphere soil and the near rhizosphere soil can be sucked out and respectively stored after the second containing box 26 is replaced, so that the subsequent detection is convenient, when the external connecting pipe 18 needs to be transplanted on the device, the adhesive in the first containing box 24 is guided into the prick pipe 21, and the prick pipe 21 is gradually pulled until being separated from the first elastic pipeline 1 or the second elastic pipeline 2, so that the adhesive can flow into the space between the inner pipe 20 and the external connecting pipe 18 through the second through groove 23, and then the adhesive can be bonded with the first elastic pipeline 1 or the second elastic pipeline 2 through the first through groove 19, at this time, the outer connecting pipe 18 is bonded with the first elastic pipeline 1 or the second elastic pipeline 2 under the action of the adhesive, and then the inner pipe 20 is drawn out from the outer connecting pipe 18 through the convex eaves 22 on the pricked pipe 21, so that the transplanting work of the outer connecting pipe 18 is completed, and the near rhizosphere soil, the middle rhizosphere soil and the far rhizosphere soil can be conveniently and rapidly collected subsequently.
Specifically, second elastic conduit 2 is inhomogeneous state and sets up on the first elastic conduit 1, through the arrangement of second elastic conduit 2, can make the difference of plant roots growing situation and actual growing situation less.
Specifically, intercommunication mechanism includes first communicating pipe 10 and second communicating pipe 11, first communicating pipe 10 and corresponding in the second elastic conduit 2 extend chamber 6 and be linked together, second communicating pipe 11 passes hold chamber 5 with annular baffle 4 back with first through-hole 7 is linked together, first communicating pipe 10 be used for to extend chamber 6 and pour into the water source, second communicating pipe 11 is used for taking soil out, first communicating pipe 10 is linked together with external water source, second communicating pipe 11 is linked together with external negative pressure air supply, through the effect of first communicating pipe 10 and second communicating pipe 11 can make this device extend along with plant roots's growth, protects plant roots all the time, and the later stage of being convenient for carries out harmless taking out with plant roots.
Specifically, hold and be equipped with annular duct 12 in the chamber 5, annular duct 12 with second communicating pipe 11 is linked together, be equipped with a plurality of third communicating pipes 13 on the annular duct 12, the tip of second elastic conduit 2 is equipped with a plurality of second through-holes 14, third communicating pipe 13 with second through-hole 14 is linked together, through annular duct 12 with the cooperation of third communicating pipe 13 can make this device can be more even when pumping soil, is convenient for the extension of second elastic conduit 2.
Specifically, a plurality of capillary holes (not shown) are formed in the surfaces of the first elastic pipeline 1 and the second elastic pipeline 2, so that the plant root system can obtain more abundant air, nutrients and moisture.
Specifically, the top of first elastic conduit 1 is equipped with fixed pipe 15, be equipped with on the fixed pipe 15 and dismantle the funnel 16 of being connected with it, through fixed pipe 15 with the cooperation of funnel 16 can conveniently take out the plant from soil.
Specifically, the internal week of fixed pipe 15 is equipped with the different dope layer 17 of a plurality of colours, dope layer 17 is used for coloring for the trunk department of plant, through dope layer 17's effect can be colored on the plant branch of taking out, is convenient for follow-up colour with the plant branch aligns dope layer 17 to it resets the plant to change.
Specifically, the spike tube 21 is provided with an on-off valve 28, and the adhesive can be led out according to actual needs by the action of the on-off valve 28.
Specifically, the cross-section of the inner tube 20 is V-shaped, which facilitates the accommodation of the adhesive by the cooperation of the inner tube 20 and the outer tube.
Specifically, a detachable blocking mechanism is arranged in the puncture tip tube, the blocking mechanism includes an elastic block 29, a connecting rod 30 fixedly connected with the elastic block 29 is arranged at the top of the elastic block 29, a hole groove 31 is arranged on the puncture tip tube 21, the connecting rod 30 penetrates through the hole groove 31, an elastic ring 32 fixedly connected with the inner tube 20 is arranged at the top of the inner tube 20, the elastic ring 32 is abutted against the inner wall of the outer connecting tube 21, a handle 33 is arranged on the connecting rod 30, when an adhesive needs to be poured, the handle 33 is held by a hand and the elastic block 29 on the connecting rod 30 is pushed to enter the puncture tip tube 21 through the hole groove 31, the connecting rod 30 is continuously pushed, so that the elastic block 29 can move to the puncture tip part of the puncture tip tube 21, and then the elastic block 29 and the puncture tip tube 21 are mutually squeezed in a gradually reducing process, further, the gap between the inner wall of the puncture tube 21 and the elastic block 29 can be sufficiently filled, thereby effectively reducing the outflow of adhesive down the spike tube 21, which, by the action of the resilient ring 32, the gap between the external connecting pipe 18 and the inner pipe 20 can be effectively filled and sealed, the adhesive is effectively reduced from flowing out along the inner wall of the external connecting pipe 18, meanwhile, the adhesive can be bonded with the first elastic pipeline 1 or the second elastic pipeline 2 through the first through groove 19 on the outer connecting pipe 21, the pressure generated by the adhesive accumulated on the inner pipe 20 can promote the adhesive to fully contact the outer connecting pipe 21 and the first elastic pipeline 1 or the second elastic pipeline 2, a gap is avoided when the adhesive is solidified into a solid state, and the first elastic pipeline 1 or the second elastic pipeline 2 can be kept in an original form as much as possible.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a multi-functional collection system of rhizosphere and non-rhizosphere soil is collected to normal position, its characterized in that, including being used for holding plant main root system and transparent first elastic conduit, be equipped with a plurality of second elastic conduit that are used for holding the side root system and transparent on the first elastic conduit, the other end of first elastic conduit and second elastic conduit all is equipped with the ventilated membrane that permeates water, be equipped with a plurality of communicating mechanism that have water delivery and suction soil function in the pipe wall of first elastic conduit, different the communicating mechanism with the pipe wall one-to-one of second elastic conduit is linked together, be equipped with the cavity in the pipe wall of second elastic conduit, be equipped with the annular baffle that links to each other with it in the cavity, the annular baffle will the cavity divide into and hold the chamber and extend the chamber, communicating mechanism respectively with hold the chamber with extend the chamber and be linked together, the end part of the second elastic pipeline is provided with a first through hole which is communicated with the extension cavity, the peripheries of the first elastic pipeline and the second elastic pipeline are provided with elastic layers which are hollow, the periphery of each elastic layer is covered with a heat insulation layer, the elastic layers are communicated with an external water source and a cold source, the device also comprises an external pipe, the surface of the external pipe is provided with a plurality of first through grooves, the inside of the external pipe is provided with an inner pipe, the inner pipe is penetrated with a sharp prick pipe, the outer wall of the sharp prick pipe is provided with a convex brim, the surface of the sharp prick pipe is provided with a second through groove, the other end of the sharp prick pipe is provided with a first containing box which is communicated with the sharp prick pipe and is used for containing an adhesive, the sharp prick pipe is provided with a branch pipe which is communicated with the sharp prick pipe, the other end of the branch pipe is provided with a detachable second containing box which is communicated with the branch pipe, and the second containing box is provided with a negative pressure pump which is communicated with the second containing box, the negative pressure pump is electrically connected with an external power supply.
2. The multifunctional collecting device for in-situ collection of rhizosphere and non-rhizosphere soil as recited in claim 1, wherein said second elastic tube is disposed on said first elastic tube in a non-uniform state.
3. The multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ according to claim 1, wherein the communicating mechanism comprises a first communicating pipe and a second communicating pipe, the first communicating pipe is communicated with the corresponding extension cavity in the second elastic pipeline, the second communicating pipe is communicated with the first through hole after penetrating through the containing cavity and the annular partition plate, the first communicating pipe is used for injecting a water source into the extension cavity, the second communicating pipe is used for extracting soil, the first communicating pipe is communicated with an external water source, and the second communicating pipe is communicated with an external negative pressure air source.
4. The multifunctional collecting device for in-situ collection of rhizosphere and non-rhizosphere soil according to claim 1, wherein an annular pipeline is arranged in the accommodating cavity, the annular pipeline is communicated with the second communicating pipe, a plurality of third communicating pipes are arranged on the annular pipeline, a plurality of second through holes are arranged at the end part of the second elastic pipeline, and the third communicating pipes are communicated with the second through holes.
5. The multifunctional collecting device for in-situ collection of rhizosphere and non-rhizosphere soil as claimed in claim 1, wherein the surface of each of the first elastic tube and the second elastic tube is provided with a plurality of capillary holes.
6. The multifunctional collecting device for in-situ collection of rhizosphere and non-rhizosphere soil as claimed in claim 1, wherein a fixed pipe is arranged on the top of the first elastic pipeline, and a funnel detachably connected with the fixed pipe is arranged on the fixed pipe.
7. The multifunctional collecting device for in-situ collection of rhizosphere and non-rhizosphere soil as claimed in claim 6, wherein the inner circumference of the fixed tube is provided with a plurality of paint layers with different colors, and the paint layers are used for coloring the trunk of the plant.
8. The multifunctional collecting device for in-situ collection of rhizosphere and non-rhizosphere soil as claimed in claim 1, wherein the spike tube is provided with a switch valve.
9. The multifunctional harvesting device for in situ collection of rhizosphere and non-rhizosphere soil according to claim 1 wherein the inner tube is V-shaped in cross section.
10. The multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ according to claim 9, wherein a plugging mechanism is detachably arranged in the spine tube, the plugging mechanism comprises an elastic block, a connecting rod fixedly connected with the elastic block is arranged at the top of the elastic block, a hole groove is formed in the spine tube, the connecting rod penetrates through the hole groove, an elastic ring fixedly connected with the inner tube is arranged at the top of the inner tube, the elastic ring abuts against the inner wall of the outer tube, and a handle is arranged on the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890912.0A CN113607470B (en) | 2021-08-04 | 2021-08-04 | Multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110890912.0A CN113607470B (en) | 2021-08-04 | 2021-08-04 | Multifunctional collecting device for collecting rhizosphere and non-rhizosphere soil in situ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113607470A true CN113607470A (en) | 2021-11-05 |
| CN113607470B CN113607470B (en) | 2022-04-22 |
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