CN112180067A - Device for determining water and fertilizer retention of soil sample - Google Patents
Device for determining water and fertilizer retention of soil sample Download PDFInfo
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- CN112180067A CN112180067A CN202011097191.XA CN202011097191A CN112180067A CN 112180067 A CN112180067 A CN 112180067A CN 202011097191 A CN202011097191 A CN 202011097191A CN 112180067 A CN112180067 A CN 112180067A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000002689 soil Substances 0.000 title claims abstract description 39
- 239000003337 fertilizer Substances 0.000 title claims abstract description 26
- 230000014759 maintenance of location Effects 0.000 title claims abstract description 21
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 239000011521 glass Substances 0.000 claims description 29
- 239000007788 liquid Substances 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000003466 welding Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000000243 solution Substances 0.000 description 18
- 239000000618 nitrogen fertilizer Substances 0.000 description 16
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000011550 stock solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 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
- G01N33/24—Earth materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/508—Containers for the purpose of retaining a material to be analysed, e.g. test tubes rigid containers not provided for above
- B01L3/5082—Test tubes per se
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L9/00—Supporting devices; Holding devices
- B01L9/06—Test-tube stands; Test-tube holders
-
- 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
- G01N33/24—Earth materials
- G01N33/245—Earth materials for agricultural purposes
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- Geology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a device for determining water and fertilizer retention of a soil sample, which comprises a base main body, a placing groove, storage test tubes and a feed inlet, wherein a support column is fixed at the middle part of the upper part of the base main body through a screw, a clamping plate is fixed at the outer side of the support column in an embedded and welded mode, a mounting plate is fixed at the top end of the support column through a screw, the placing groove is formed in the outer side surface of the clamping plate at equal intervals by taking the center of the clamping plate as the circle center, a rubber pad is placed in the placing groove, a fixing plate is connected to the outer side of the support column in a clamping mode, the storage test tubes are placed below the fixing plate, the bottoms of the storage test tubes are in contact with the upper. This survey soil sample protects device of water and fertilizer ability is provided with the grip block, is convenient for survey the soil sample's of a plurality of different components guarantor's water and fertilizer ability in step, and convenient operation is simple, and labour saving and time saving makes things convenient for staff's detection achievement.
Description
Technical Field
The invention relates to the technical field of water and fertilizer retention of soil samples, in particular to a device for determining water and fertilizer retention of a soil sample.
Background
Along with the continuous development of science and technology, we are focusing more and more on scientific planting, can make survival rate and harvest ratio improve like this, need gather certain sample to soil at the in-process of planting, then detect the soil sample's of gathering water conservation fertility preservation to whether detect the soil sample and satisfy the needs of planting, consequently need use the survey device at the in-process that detects, although the kind of survey device on the existing market is many, but still there are some weak points in the in-process of using, for example:
1. the existing device for determining the water and fertilizer retention of the soil sample has a single structure, can only determine one soil sample at a time, and needs to sequentially determine when a plurality of different soil samples need to be determined, so that the operation is troublesome, and time and labor are wasted;
2. when water or a nitrogenous fertilizer solution is injected, workers are required to inject the water or the nitrogenous fertilizer solution one by one, the operation is troublesome, the injection amount cannot be well and synchronously controlled, and the later comparison test is inconvenient;
therefore, we have proposed an apparatus for measuring water and fertilizer retention of soil samples in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a device for measuring water and fertilizer retention of a soil sample, which solves the problems that the existing device for measuring water and fertilizer retention of the soil sample in the market in the prior art has a single structure, only one soil sample can be measured at a time, when a plurality of different soil samples are required to be measured, the measurement needs to be carried out in sequence, the operation is troublesome, time and labor are wasted, when water or a nitrogen fertilizer solution is injected, workers are required to inject the soil sample one by one, the operation is troublesome, the injection amount cannot be well and synchronously controlled, and the later-period contrast test is inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme: a device for determining water and fertilizer retention of a soil sample comprises a base main body, a placing groove, storage test tubes and a feed inlet, wherein a support column is fixed at the middle part of the upper part of the base main body through a screw, a clamping plate is fixed at the outer side of the support column in an embedded and welded mode, a mounting plate is fixed at the top end of the support column through a screw, the placing groove is formed in the outer side surface of the clamping plate at equal intervals by taking the center of the clamping plate as the circle center, rubber pads are placed in the placing groove, a fixing plate is connected with the outer side of the support column in a clamping mode, the storage test tubes are placed below the fixing plate, the bottoms of the storage test tubes are in contact with the upper surface of the base main body, glass test tubes are placed above the fixing plate, the rubber pads are arranged on the outer sides of the glass test, and the piston has been placed in the laminating of the inner wall in stock solution chamber to the feed inlet is installed in the below outside in stock solution chamber, the top fix with screw of piston has the connecting rod, and the top fix with screw of connecting rod has the connecting plate to the inside threaded connection that runs through of centre of a circle has the threaded rod, the bottom and the mounting panel bearing of threaded rod are connected, the below outside nestification of support column is provided with the regulating plate, and the inside wall of regulating plate uses the center of support column as centre of a circle equidistant screw mounting and connect the rope to the top of connecting the rope runs through support column and reference column screw connection, the outside nestification of reference column is provided with second reset spring, and the top and the reference column screw connection of second reset spring to second reset spring's bottom and support column screw connection, the outside bonding of rubber.
Preferably, the outer side of the supporting column is provided with a first clamping groove and a second clamping groove at equal intervals by taking the center of the supporting column as a circle center, and the second clamping groove is arranged below the first clamping groove.
Preferably, the rubber pads and the clamping blocks are arranged in a one-to-one correspondence manner, and the rubber pads and the clamping blocks are arranged in an arc-shaped structure.
Preferably, the inner end of the fixing plate is fixed with a dismounting rod through a screw, a through hole is formed in the dismounting rod, a feed opening is formed in the fixing plate, and a groove is formed in the bottom surface of the fixing plate.
Preferably, the space inside the feed opening is communicated with the space inside the groove, and the feed opening and the groove are arranged in a one-to-one correspondence manner.
Preferably, the outer side surfaces of the left end and the right end of the clamping block are respectively connected with an adjusting rod through a movable shaft, the outer end of each adjusting rod is connected with a movable block through a movable shaft, the movable blocks are connected with the movable blocks through first reset springs, and the movable blocks are connected with the clamping plate in a sliding mode.
Preferably, the positioning column forms a lifting structure with the supporting column through a second return spring, the diameter of the positioning column is smaller than that of the through hole, and the height of the positioning column is larger than that of the through hole.
Preferably, the inner side wall of the adjusting plate is fixed with a lug by using the center of the adjusting plate as a circle center at equal intervals, the lug is clamped with the second clamping groove in a sliding connection mode, and the adjusting plate is arranged in a circular ring-shaped structure.
Preferably, the bump and the second clamping groove are both arranged in a T-shaped structure, and the bump and the supporting column form a lifting structure through the second clamping groove.
Compared with the prior art, the invention has the beneficial effects that: this survey soil sample keeps water and protects fertile device of nature:
(1) the clamping plate is arranged, a plurality of placing grooves are formed in the clamping plate at equal intervals, so that a plurality of glass test tubes containing soil samples with different components can be conveniently placed in the placing grooves one by one, and simultaneously, through the arrangement of the clamping block, the adjusting rod and the matched rubber pad, the clamping block can conveniently clamp and fix the glass test tubes with different diameters, so that the glass test tubes with different diameters can be conveniently placed in the placing grooves, the water and fertilizer retention of the soil samples with different components can be conveniently and synchronously determined, the operation is convenient and simple, time and labor are saved, and the detection work of workers is facilitated;
(2) the connecting plate and the threaded rod are fixed and in threaded connection, and then the connecting plate in threaded connection at the outer side is driven to descend by manually rotating the threaded rod, so that the connecting plate can drive the connecting rod to descend, the connecting rod can drive the piston to descend, and water or nitrogenous fertilizer solution in the liquid storage cavity can be equivalently injected into the glass test tube, later detection work is facilitated, and operation of workers is facilitated;
(3) the fixing plate is arranged, so that the glass test tube can be conveniently supported and placed, and meanwhile, the water or nitrogen fertilizer solution in the glass test tube can fall into the storage test tube below through the mesh-shaped structure at the bottom of the glass test tube due to the arrangement of the feed opening in the fixing plate, so that the water or nitrogen fertilizer solution can be conveniently collected and observed;
(4) install the regulating plate, can stimulate a plurality of connection ropes in step through the setting of regulating plate for connect the rope and drive the reference column downstream, and then be convenient for reference column and through-hole separation, so that dismantle the separation with connecting rod and support column, the later stage of being convenient for is cleared up the fixed plate.
Drawings
FIG. 1 is a schematic main sectional view of the present invention;
FIG. 2 is a schematic top sectional view of the clamping plate of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic right sectional view of the connection between the moving block and the clamping plate according to the present invention;
FIG. 5 is a schematic view of a main sectional structure of the connection of the connecting rod and the supporting column of the present invention;
FIG. 6 is a schematic view of a cross-sectional view of the connection between the connecting rod and the supporting post;
FIG. 7 is a schematic view of a cross-sectional view of the adjustment plate of the present invention;
FIG. 8 is an enlarged view of the structure at B in FIG. 6 according to the present invention;
fig. 9 is a main sectional structural view of the fixing plate of the present invention.
In the figure: 1. a base body; 2. a support pillar; 201. a first card slot; 202. a second card slot; 3. a clamping plate; 4. a rubber pad; 5. a placement groove; 6. a material storage test tube; 7. a fixing plate; 71. disassembling the rod; 72. a through hole; 73. a feeding port; 74. a groove; 8. a glass test tube; 9. mounting a plate; 10. a liquid storage cavity; 11. a piston; 12. a connecting rod; 13. a connecting plate; 14. a threaded rod; 15. a clamping block; 151. adjusting a rod; 152. a moving block; 153. a first return spring; 16. a positioning column; 17. a second return spring; 18. connecting ropes; 19. an adjusting plate; 191. a bump; 20. and (4) feeding a material inlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a device for measuring water and fertilizer retention of a soil sample comprises a base main body 1, a support column 2, a first clamping groove 201, a second clamping groove 202, a clamping plate 3, a rubber pad 4, a placing groove 5, a storage test tube 6, a fixing plate 7, a dismounting rod 71, a through hole 72, a feed opening 73, a groove 74, a glass test tube 8, a mounting plate 9, a liquid storage cavity 10, a piston 11, a connecting rod 12, a connecting plate 13, a threaded rod 14, a clamping block 15, an adjusting rod 151, a moving block 152, a first return spring 153, a positioning column 16, a second return spring 17, a connecting rope 18, an adjusting plate 19, a lug 191 and a feed inlet 20, wherein the support column 2 is fixed to the middle of the upper part of the base main body 1 through screws, the clamping plate 3 is fixed to the outer side of the support column 2 in an embedded and welded manner, the mounting plate 9 is fixed to the top end of the support column 2 through screws, the placing, and a rubber pad 4 is placed in the placing groove 5, a fixing plate 7 is clamped and connected in the outer side of the supporting column 2, a storage test tube 6 is placed below the fixing plate 7, the bottom of the storage test tube 6 is contacted with the upper surface of the base main body 1, a glass test tube 8 is placed above the fixing plate 7, a rubber pad 4 is arranged on the outer side of the glass test tube 8 in a laminating manner, a liquid storage cavity 10 is placed above the glass test tube 8, a liquid storage cavity 10 is fixedly penetrated in the mounting plate 9, a piston 11 is arranged on the inner wall of the liquid storage cavity 10 in a laminating manner, a feeding hole 20 is arranged on the outer side below the liquid storage cavity 10, a connecting rod 12 is fixed on the top of the piston 11 through a screw, a connecting plate 13 is installed on the top of the connecting rod 12 through a screw, a threaded rod 14 is connected in the middle of the connecting plate 13 through a, connecting ropes 18 are arranged on the inner side wall of the adjusting plate 19 at equal intervals by screws with the center of the supporting column 2 as the center of a circle, the top ends of the connecting ropes 18 penetrate through the supporting column 2 and are in screw connection with a positioning column 16, a second return spring 17 is nested on the outer side of the positioning column 16, the top end of the second return spring 17 is in screw connection with the positioning column 16, the bottom end of the second return spring 17 is in screw connection with the supporting column 2, and a clamping block 15 is fixedly bonded on the outer side of the rubber pad 4;
a first clamping groove 201 and a second clamping groove 202 are formed in the outer side of the supporting column 2 at equal intervals by taking the center of the supporting column 2 as a circle center, the second clamping groove 202 is formed below the first clamping groove 201, and the dismounting rod 71 can be clamped and placed conveniently through the arrangement of the first clamping groove 201;
the rubber pads 4 are arranged in one-to-one correspondence with the clamping blocks 15, and the rubber pads 4 and the clamping blocks 15 are arranged in an arc-shaped structure, so that the glass test tubes 8 are clamped and fixed at a later stage through the arc-shaped structures of the rubber pads 4 and the clamping blocks 15;
a dismounting rod 71 is fixed at the inner end of the fixing plate 7 through a screw, a through hole 72 is formed in the dismounting rod 71, a feed opening 73 is formed in the fixing plate 7, a groove 74 is formed in the bottom surface of the fixing plate 7, and the feed opening 73 is formed in the fixing plate 7, so that later water or nitrogenous fertilizer solution can flow into the corresponding storage test tube 6 conveniently;
the space inside the feed opening 73 is communicated with the space inside the groove 74, and the feed openings 73 are arranged in one-to-one correspondence with the grooves 74, so that the feed openings 73 can conveniently flow the water or nitrogen fertilizer solution in the glass test tubes 8 into the corresponding storage test tubes 6;
the outer side surfaces of the left end and the right end of the clamping block 15 are respectively connected with an adjusting rod 151 through a movable shaft, the outer end of each adjusting rod 151 is connected with a moving block 152 through a movable shaft, the moving blocks 152 are connected with the moving blocks 152 through first return springs 153, and the moving blocks 152 are clamped and slidably connected with the clamping plate 3, so that the position of the clamping block 15 can be conveniently adjusted through the adjusting rods 151;
the positioning column 16 and the supporting column 2 form a lifting structure through the second return spring 17, the diameter of the positioning column 16 is smaller than that of the through hole 72, and the height of the positioning column 16 is larger than that of the through hole 72, so that the positioning column 16 and the supporting column 2 form the lifting structure through the second return spring 17, the positioning column 16 and the through hole 72 are clamped and fixed, and the fixing plate 7 is installed conveniently;
the inner side wall of the adjusting plate 19 is fixed with bumps 191 by screws at equal intervals by taking the center of the adjusting plate 19 as a circle center, the bumps 191 are clamped and slidably connected with the second clamping grooves 202, the adjusting plate 19 is arranged in a circular ring-shaped structure, and then the bumps 191 are clamped and slidably connected with the second clamping grooves 202, so that the adjusting plate 19 is stably lifted;
the bump 191 and the second slot 202 are both in a "T" shape, and the bump 191 and the support post 2 form a lifting structure through the second slot 202, and therefore the bump 191 and the second slot 202 are both in a "T" shape, so that the adjusting plate 19 can be stably lifted to pull the connecting rope 18.
The working principle of the embodiment is as follows: when the device for measuring the water and fertilizer retention of the soil sample is used, firstly, as shown in figure 1, the whole device is moved into a working area, a plurality of soil samples with different components are poured into a plurality of glass test tubes 8 in sequence after reaching the working area, then, as shown in figures 1-4, the clamping blocks 15 in the placing groove 5 are firstly stretched outwards, at the moment, the clamping blocks 15 drive the adjusting rods 151 connected with the movable shafts to rotate, the adjusting rods 151 drive the movable blocks 152 connected with the movable shafts to slide in the clamping plates 3, the movable blocks 152 further extrude the first return springs 153 to store force, the distance between the two corresponding clamping blocks 15 is increased, then, the plurality of glass test tubes 8 are placed between the two clamping blocks 15 in the plurality of placing grooves 5 one by one, then, the two clamping blocks 15 are loosened, and the two clamping blocks 15 are driven to reset through the storage force of the first return springs 153, the two clamping blocks 15 are further used for clamping and fixing the glass test tubes 8, and the bottom of the glass test tubes 8 can be supported by the fixing plate 7, so that the glass test tubes 8 can be stably placed in the placing grooves 5, and the later comparison and detection work is facilitated;
then, water or nitrogen fertilizer solution is injected into the liquid storage cavity 10 through the feed inlet 20, then the threaded rod 14 is rotated manually, the threaded rod 14 drives the connecting plate 13 which is in threaded connection with the outer side of the top end to descend when rotating, and further the connecting plate 13 drives the connecting rod 12 which is installed with screws at the bottom to descend, the connecting rod 12 drives the piston 11 to descend when descending, so that the piston 11 pushes the water or nitrogen fertilizer solution in the liquid storage cavity 10 to enter the corresponding glass test tube 8 through the opening at the bottom, thereby facilitating the synchronous injection of the same amount of water or nitrogen fertilizer solution into the plurality of glass test tubes 8, the operation is convenient and simple, then the soil sample in the glass test tubes 8 is combined with the water or nitrogen fertilizer solution, after a period of time, a part of the water or nitrogen fertilizer solution in the glass test tubes 8 falls into the corresponding storage test tubes 6 below one by one through the mesh structure at the bottoms of the glass test tubes 8 and the feed openings 73 in the fixing plate 7, and then can learn the amount of water or nitrogenous fertilizer solution through the setting of storage test tube 6, when the amount of water or nitrogenous fertilizer solution in the storage test tube 6 is more, then explain that the water conservation and fertilizer conservation of the soil in the corresponding glass test tube 8 on the storage test tube 6 is poor, otherwise, when the amount of water or nitrogenous fertilizer solution in the storage test tube 6 is less, then explain that the water conservation and fertilizer conservation of the soil in the corresponding glass test tube 8 on the storage test tube 6 is better;
after the detection is finished, when certain soil or impurities are left on the fixing plate 7, when the fixing plate 7 needs to be cleaned, at this time, as shown in fig. 1 and fig. 5-8, the adjusting plate 19 is pulled downwards manually, the adjusting plate 19 drives the connecting ropes 18 to move downwards, and further the connecting ropes 18 pull the positioning columns 16, so that the positioning columns 16 are separated from the through holes 72, meanwhile, the positioning columns 16 extrude the second reset springs 17 to accumulate force, when the positioning columns 16 are separated from the through holes 72, so that the detaching rods 71 are separated from the first clamping grooves 201, further the fixing plate 7 is separated from the supporting columns 2, and further the fixing plate 7 is cleaned conveniently, meanwhile, the convex blocks 191 on the inner side of the adjusting plate 19 slide in the second clamping grooves 202, so that the adjusting plate 19 is ensured to stably lift, and a series of work is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. The utility model provides a survey soil sample protects device of water and fertilizer ability, includes base main part (1), standing groove (5), storage test tube (6) and feed inlet (20), its characterized in that: the base is characterized in that a support column (2) is fixed to the middle of the upper portion of the base main body (1) through screws, a clamping plate (3) is fixed to the outer side of the support column (2) in a nested welding mode, a mounting plate (9) is fixed to the top end of the support column (2) through screws, placing grooves (5) are formed in the outer side face of the clamping plate (3) at equal intervals by taking the center of the clamping plate (3) as the circle center, rubber pads (4) are placed in the placing grooves (5), a fixing plate (7) is connected to the inner portion of the outer side of the support column (2) in a clamping mode, a storage test tube (6) is placed below the fixing plate (7), the bottom of the storage test tube (6) is in contact with the upper surface of the base main body (1), a glass test tube (8) is placed above the fixing plate (7), the rubber pads (4) are arranged on, the inner part of the mounting plate (9) is fixedly provided with a liquid storage cavity (10) in a penetrating manner, the inner wall of the liquid storage cavity (10) is attached to place a piston (11), a feed inlet (20) is arranged on the outer side of the lower part of the liquid storage cavity (10), a connecting rod (12) is fixed on the top of the piston (11) through a screw, a connecting plate (13) is arranged on the top of the connecting rod (12) through a screw, a threaded rod (14) is connected to the inner part of the middle of the connecting plate (13) in a penetrating manner, the bottom of the threaded rod (14) is in bearing connection with the mounting plate (9), an adjusting plate (19) is arranged on the outer side of the lower part of the supporting column (2) in a nesting manner, a connecting rope (18) is arranged on the inner side wall of the adjusting plate (19) by taking the center of the supporting column (2) as a circle center in an equidistant manner, the, the top end of the second return spring (17) is in screw connection with the positioning column (16), the bottom end of the second return spring (17) is in screw connection with the supporting column (2), and the clamping block (15) is fixedly bonded to the outer side of the rubber pad (4).
2. The device for measuring the water and fertilizer retention of the soil sample according to claim 1, wherein: the outer side of the supporting column (2) is provided with a first clamping groove (201) and a second clamping groove (202) at equal intervals by taking the center of the supporting column (2) as a circle center, and the second clamping groove (202) is arranged below the first clamping groove (201).
3. The device for measuring the water and fertilizer retention of the soil sample according to claim 1, wherein: the rubber pads (4) and the clamping blocks (15) are arranged in a one-to-one correspondence mode, and the rubber pads (4) and the clamping blocks (15) are arranged in an arc-shaped structure.
4. The device for measuring the water and fertilizer retention of the soil sample according to claim 1, wherein: the inner end of the fixing plate (7) is fixed with a dismounting rod (71) through a screw, a through hole (72) is formed in the dismounting rod (71), a feed opening (73) is formed in the fixing plate (7), and a groove (74) is formed in the bottom surface of the fixing plate (7).
5. The device for measuring the water and fertilizer retention of the soil sample according to claim 4, wherein: the space inside the feed opening (73) is communicated with the space inside the groove (74), and the feed opening (73) and the groove (74) are arranged in a one-to-one correspondence manner.
6. The device for measuring the water and fertilizer retention of the soil sample according to claim 1, wherein: the clamping device is characterized in that adjusting rods (151) are respectively connected to the outer side faces of the left end and the right end of the clamping block (15) through movable shafts, the outer end of each adjusting rod (151) is connected with a moving block (152) through a movable shaft, the moving block (152) is connected with the moving block (152) through a first return spring (153), and the moving block (152) is connected with the clamping plate (3) in a clamping and sliding mode.
7. The device for measuring the water and fertilizer retention of the soil sample according to claim 4, wherein: the positioning column (16) and the supporting column (2) form a lifting structure through a second return spring (17), the diameter of the positioning column (16) is smaller than that of the through hole (72), and the height of the positioning column (16) is larger than that of the through hole (72).
8. The apparatus for determining water and fertilizer retention of soil sample according to claim 2, wherein: the inner side wall of the adjusting plate (19) is fixed with a lug (191) by screws with the center of the adjusting plate (19) as the circle center at equal intervals, the lug (191) is connected with the second clamping groove (202) in a clamping and sliding mode, and the adjusting plate (19) is arranged in a circular ring-shaped structure.
9. The apparatus for determining water and fertilizer retention of soil sample according to claim 8, wherein: the lug (191) and the second clamping groove (202) are arranged in a T-shaped structure, and the lug (191) and the supporting column (2) form a lifting structure through the second clamping groove (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097191.XA CN112180067B (en) | 2020-10-14 | 2020-10-14 | Device for determining water and fertilizer retention of soil sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011097191.XA CN112180067B (en) | 2020-10-14 | 2020-10-14 | Device for determining water and fertilizer retention of soil sample |
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| Publication Number | Publication Date |
|---|---|
| CN112180067A true CN112180067A (en) | 2021-01-05 |
| CN112180067B CN112180067B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011097191.XA Active CN112180067B (en) | 2020-10-14 | 2020-10-14 | Device for determining water and fertilizer retention of soil sample |
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| CN (1) | CN112180067B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684120A (en) * | 2021-01-08 | 2021-04-20 | 湛江国联水产开发股份有限公司 | Algae detects with many sample contrast testing platform convenient to plane removes |
| CN113884656A (en) * | 2021-09-30 | 2022-01-04 | 湖南益芝通生物科技有限公司 | Soil pH valve detection device based on chinese-medicinal material is planted |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323382A (en) * | 2013-07-04 | 2013-09-25 | 吉林省农业科学院 | Device for measuring leaching loss amount of fertilizer and water retaining effect of soil water-retaining agent |
| CN105277470A (en) * | 2015-11-17 | 2016-01-27 | 赵海超 | Experimental device used for simulating water transporting process in soil |
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| CN103323382A (en) * | 2013-07-04 | 2013-09-25 | 吉林省农业科学院 | Device for measuring leaching loss amount of fertilizer and water retaining effect of soil water-retaining agent |
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| CN109781959A (en) * | 2019-01-09 | 2019-05-21 | 内蒙古工业大学 | A kind of soil fertility appraisal procedure of milk cattle cultivating waste water returning to the field |
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| CN112684120A (en) * | 2021-01-08 | 2021-04-20 | 湛江国联水产开发股份有限公司 | Algae detects with many sample contrast testing platform convenient to plane removes |
| CN113884656A (en) * | 2021-09-30 | 2022-01-04 | 湖南益芝通生物科技有限公司 | Soil pH valve detection device based on chinese-medicinal material is planted |
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