CN212180576U

CN212180576U - Device for testing soil percolation rate

Info

Publication number: CN212180576U
Application number: CN202020911745.4U
Authority: CN
Inventors: 张安琴; 王振风; 林妙铃; 孙恩彬; 毛文鹏; 许秀玲
Original assignee: Fujian Mince Testing Technology Service Co ltd
Current assignee: Fujian Mince Testing Technology Service Co ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-12-18
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a device for testing soil percolation rate relates to soil experiment utensil's technical field, and the problem of work efficiency low on the part when having solved test soil percolation rate, it is including oozing a section of thick bamboo and installing the water drum of straining on the section of thick bamboo that oozes, still including being used for supporting the support of a section of thick bamboo that oozes, install on the support and add the water pitcher, it is connected with the delivery port to add the water pitcher lower extreme, delivery port and water drum intercommunication, it is provided with the switch whether the control adds the water pitcher and goes out water to add the water pitcher, the overflow hole has been seted up on the water drum, the overflow jogged joint has the collection subassembly that. The utility model has the advantages of work efficiency when improving test soil percolation rate.

Description

Device for testing soil percolation rate

Technical Field

The utility model belongs to the technical field of the technique of soil experiment utensil and specifically relates to a device for testing soil filtration rate is related to.

Background

The water is an essential nutrient for the survival and growth of plants and is an indispensable element of an ecological system, and the soil water is one of important components in the ecological system, not only affecting the physical properties of the soil, but also being closely related to the dissolution and transfer of nutrients in the soil, the activity of microorganisms and the like. The physical properties of the soil moisture and the soil percolation rate of the forest directly influence the growth of forest vegetation, and have very important significance on the research of the water storage and soil retention functions of the forest. Therefore, the method for measuring the physical properties of the forest soil moisture and the soil percolation rate has important significance for implementing accurate forestry, preventing and treating water loss and soil erosion, better exerting the function of conserving forest water sources and the like.

The existing device for testing the soil percolation rate is disclosed in patent No. CN209821025U, and comprises a percolation cylinder, a water tank cylinder and a sealing ring, wherein the percolation cylinder comprises a water injection cylinder opening, the water tank cylinder is coaxially aligned with the water injection cylinder opening of the percolation cylinder, the diameters of the water injection cylinder opening and the water tank cylinder opening are equal, the outer peripheral sides of the water injection cylinder opening and the water tank cylinder are respectively provided with a thread, the inner ring surface of the sealing ring is provided with a thread and is simultaneously in threaded connection with the percolation cylinder and the water tank cylinder, the percolation cylinder and the water tank cylinder are connected through the sealing ring, and the surface of the water tank cylinder is provided with scales along the axial direction. The water tank comprises a water tank barrel, a water quantity measuring barrel, a water dripping beaker, a funnel for guiding water drops, a stopwatch for timing and a thermometer for measuring water temperature, wherein the funnel is positioned below the infiltration cylinder, the beaker is positioned below the funnel, when the infiltration cylinder is provided with a soil column, a water layer with the depth of 5cm is added in the water tank barrel, and the funnel guides the water drops below the infiltration cylinder to enter the beaker.

Starting timing when the first drop of water is dropped below the funnel, changing the beaker below the funnel every 1, 2, 3, 5, 10 … … ti … … tn min (the interval time is determined according to the speed of the infiltration, and a certain pressure gradient is required to be kept), and respectively measuring the infiltration water yield Q1, Q2, Q3, Q5 … … Q10 … … Qi … … Qn. Every time the beaker is replaced, the water layer of the infiltration tank is quickly added to a depth of 5cm, and the water temperature is recorded.

During the test, need change beaker, add water and record the temperature in the short time, but when adding water, need add water more slowly in order to avoid adding more, lead to adding water step time-consuming to the time progress of whole test has been dragged gradually, work efficiency when reducing the test soil percolation ratio.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device for testing soil percolation rate, has the advantage that improves work efficiency when testing soil percolation rate not enough to prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a device for testing soil percolation rate, strains a section of thick bamboo and installs the water drum on a percolation section of thick bamboo including oozing, still including being used for supporting the support that the section of thick bamboo was strained in the infiltration, install on the support and add the water pitcher, it is connected with the delivery port to add the water pitcher lower extreme, delivery port and water drum intercommunication, it is provided with the switch whether the control adds the water pitcher and goes out water to add the water pitcher, the overflow hole has been seted up on the water drum, the overflow jogged joint has the collection subassembly that.

Through adopting above-mentioned technical scheme, when changing the beaker, open the switch, make the water that adds the water pitcher add in the water section of thick bamboo, make the water layer in the water section of thick bamboo add to 5cm after, the closing switch can, at the in-process of adding water, if adding water too much carelessly, water can follow the overflow hole and flow out, when observing water and flowing out from the overflow hole, closing switch at once, the water that the overflow hole flows out is collected by the collection subassembly again, thereby make the water that overflows not influence experimental data, because add water pitcher and overflow hole when adding water, the time that makes the people spend when adding water can shorten, and the too much condition of adding water in the difficult water section of thick bamboo that exists, thereby the work efficiency when testing has been improved.

The present invention may be further configured in a preferred embodiment as: the collection assembly comprises an overflow pipe communicated with the overflow hole and a water collecting box communicated with the overflow pipe.

Through adopting above-mentioned technical scheme, from the overflow hole water that flows out, flow into the box that catchments through the overflow pipe in to collect the water that overflows in unison.

The present invention may be further configured in a preferred embodiment as: the water adding tank is a tank body with an opening at the upper end, and a support plate for supporting the water adding tank is arranged on the support.

Through adopting above-mentioned technical scheme, add the water tank and be the upper end open-ended jar body, when adding water tank needs make-up water in, directly add water can toward the upper end opening that adds the water tank.

The present invention may be further configured in a preferred embodiment as: the water outlet is connected with a water outlet pipe, the switch is located at the water outlet pipe, and the switch is a valve.

By adopting the technical scheme, the water outlet pipe is controlled to be opened or not through the valve, so that the operation of people is simple and convenient.

The present invention may be further configured in a preferred embodiment as: the water outlet end of the water outlet pipe is communicated with two flow pipes, the two flow pipes are positioned in the water barrel and are symmetrically distributed along the central axis of the water barrel, the two flow pipes are contacted with the inner wall of the water barrel, and a gap is reserved between the lower ends of the flow pipes and the water surface in the water barrel.

Through adopting above-mentioned technical scheme, two flow tube symmetric distribution are in a water section of thick bamboo, and when making the water pitcher add water to a water section of thick bamboo, the water layer face in a water section of thick bamboo is heightened by more even, and two flow tubes and a water section of thick bamboo inner wall contact make water flow in along the inner wall of a water section of thick bamboo, make the liquid level that the water layer rose that the people can observe better.

The present invention may be further configured in a preferred embodiment as: install the thermometer on the support, the thermometer includes display part and the test tube of being connected with the display part, fixedly connected with has the fixed plate on the support, connect on the fixed plate and be used for ordering about the spring that the test tube leaves the water layer, the upper end of spring is connected with the mounting panel, has all seted up the through-hole on fixed plate and the mounting panel, the test end of test tube runs through in mounting panel, spring and the fixed plate extends to a water section of thick bamboo to leave the clearance with the water layer face in the water section of thick bamboo.

Through adopting above-mentioned technical scheme, when the thermometer need carry out the temperature measurement to the temperature of water layer, press the thermometer downwards with the hand, make the thermometer stretch into the water layer and carry out the temperature measurement, loosen the thermometer after the temperature measurement finishes, the elasticity of spring orders about the test tube and is leaving from the water layer, when making people test the temperature, it is more convenient to operate to work efficiency when having improved the test.

The present invention may be further configured in a preferred embodiment as: the support lower extreme rotates and is provided with places the dish, place and install a plurality of beakers that are the annular and distribute on the dish, install the funnel on the support, the funnel is located oozes the below of straining a section of thick bamboo, the beaker is located the below of funnel.

Through adopting above-mentioned technical scheme, when changing the beaker, rotate and place the dish, can make new beaker be located the funnel below, it is more convenient to operate to work efficiency when having improved the test.

The present invention may be further configured in a preferred embodiment as: the base is installed on the lower end of the support, a bearing is installed and embedded on the base, a rotating shaft is fixedly connected to the lower end of the placing disc, and the rotating shaft is fixedly connected with the inner ring of the bearing.

Through adopting above-mentioned technical scheme, the pivot and the bearing fixed connection of rack make the rack more smooth and easy when rotating.

To sum up, the utility model has the advantages that:

when adding water, open the valve that adds the water pitcher, water passes through in the flow tube gets into a water section of thick bamboo, when the water layer adds to 5 cm's degree of depth, close the valve can, if carelessly add a bit more, the water that adds more flows from the overflow hole to make the whole operation of adding water simpler and convenient, thereby work efficiency when having improved the test.

Drawings

FIG. 1 is a right side view of the overall structure of the present embodiment;

FIG. 2 is a front view of the overall structure of the present embodiment;

FIG. 3 is a partial view of the prominent thermometer of the present embodiment;

FIG. 4 is a schematic view of the highlighted placement tray of this embodiment in a partially exploded view.

Reference numerals: 1. a support; 2. a percolating cartridge; 3. a water cylinder; 31. an overflow aperture; 4. a sealing ring; 5. a water adding tank; 6. a water outlet pipe; 61. a valve; 7. a flow tube; 8. an overflow pipe; 9. a water collection box; 91. a jack; 10. a thermometer; 101. a display unit; 102. a test tube; 11. a base; 12. a support bar; 13. fixing the rod; 14. a cross bar; 15. a support plate; 16. placing a rack; 17. a fixing plate; 18. a spring; 19. mounting a plate; 20. a fixing ring; 21. placing a tray; 22. a rotating shaft; 23. a bearing; 24. a circular groove; 25. a beaker; 26. a funnel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a device for testing soil percolation rate, including support 1, support 1 includes base 11 and installs bracing piece 12 on base 11, installs dead lever 13 perpendicularly on bracing piece 12, and the both ends of dead lever 13 are connected with two horizontal poles 14 that are parallel to each other. A percolation cylinder 2 is arranged between the two cross rods 14, and the percolation cylinder 2 is used for containing the soil column for testing. The infiltration filter cylinder 2 is connected with a water cylinder 3, and the inner diameter of the infiltration filter cylinder 2 is the same as that of the water cylinder 3. A sealing ring 4 is connected between the percolation cylinder 2 and the water cylinder 3, and the percolation cylinder 2 and the water cylinder 3 are connected in a seamless way through the sealing ring 4. The lower surface of the seal ring 4 abuts the upper surfaces of the two rails 14, and the percolating cartridge 2 is mounted between the two rails 14. The sealing ring 4 and the water cylinder 3 are both made of transparent plastic materials.

Referring to fig. 2 and 3, a water charging tank 5 with an upward opening is installed on a bracket 1, and a supporting plate 15 for supporting the water charging tank 5 is installed on the bracket 1. The lower end of the water adding tank 5 is provided with a water outlet, and the water outlet is connected with a water outlet pipe 6. The water outlet pipe 6 is provided with a switch which is used for controlling the water charging tank 5 to discharge water, and the switch is a valve 61, so that the operation of people is simple and convenient. The water outlet end of the water outlet pipe 6 is communicated with two flow pipes 7, the two flow pipes 7 extend into the water barrel 3, the two flow pipes 7 are symmetrically distributed by taking the central axis of the water barrel 3 as a symmetric center, the two flow pipes 7 are both contacted with the inner wall of the water barrel 3, and when the water outlet pipe 6 is opened, water flows into the water barrel 3 through the two flow pipes 7. In order to make the depth of the water layer in the water cylinder 3 accurate, a gap is left between the two flow pipes 7 and the water layer.

Referring to fig. 1 and 3, since the maximum depth of the water layer in the water cylinder 3 is defined as 5cm, the water cylinder 3 is provided with the overflow hole 31, and when a large amount of water is added to the water addition tank 5, the water flows out from the overflow hole 31. The overflow hole 31 is connected with a collecting member for collecting water, thereby preventing water flowing out of the overflow hole 31 from affecting experimental data. The collecting assembly comprises an overflow pipe 8 communicated with the overflow hole 31, and the collecting assembly further comprises a water collecting box 9 communicated with the overflow pipe 8. Offer on the water-collecting box 9 and be used for supplying overflow pipe 8 male jack 91, install the rack 16 that is used for installing the water-collecting box 9 on the support 1, when the water in the water-collecting box 9 needs to be handled, extract overflow pipe 8, dismantle the water-collecting box 9 from rack 16.

After addition of water, the temperature in the aqueous layer also needs to be tested.

Referring to fig. 3, the apparatus for measuring the water temperature is a thermometer 10, and the thermometer 10 includes a display portion 101 and a test tube 102 connected to the display portion 101. The thermometer 10 is prior art and will not be described in further detail. In order to make it easier for the thermometer 10 to measure the temperature of the water, the thermometer 10 is mounted on the stand 1.

Referring to fig. 3, a fixing plate 17 is fixedly connected to the support rod 12, a spring 18 for driving the test tube 102 to leave the water layer is mounted on the fixing plate 17, and a mounting plate 19 is connected to an upper end of the spring 18. The test tube 102 extends through the mounting plate 19, the spring 18 and the fixing plate 17, so that the thermometer 10 is mounted on the holder 1. When the spring 18 is in its natural state after the thermometer 10 is mounted on the holder 1, a gap is left between the test tube 102 and the water layer. When the thermometer 10 is manually depressed, the spring 18 is compressed and the test tube 102 extends into the water layer to test the temperature of the water, and when the thermometer 10 receives data, the thermometer 10 is no longer depressed and the spring force of the spring 18 urges the test tube 102 away from the water layer.

Referring to fig. 2, a funnel 26 is installed on the bracket 1, the funnel 26 is located below the percolating cartridge 2, and a fixing ring 20 for placing the funnel 26 is provided on the bracket 1. The base 11 is connected with the dish 21 of placing that is circular structure in a rotating way, places and offers the circular slot 24 that is used for supplying 25 bottoms of beaker imbeds on the dish 21, and circular slot 24 has a plurality ofly along the circumferencial direction evenly distributed who places dish 21. The beaker 25 is positioned below the funnel 26 when mounted on the rest tray 21.

Referring to fig. 2 and 4, a bearing 23 is embedded in the base 11, and an outer ring of the bearing 23 is fixedly connected with the base 11. The surface of the placing plate 21 is fixedly connected with a rotating shaft 22, and the rotating shaft 22 is fixedly connected with the inner ring of a bearing 23, so that the placing plate 21 is rotatably connected with the base 11. When the beaker 25 is replaced, the placing tray 21 is rotated to locate the other beakers 25 below the hopper 26, thereby shortening the time for replacing the beakers 25.

What needs to be supplemented is: the water adding tank 5, the water outlet pipe 6, the flow pipe 7, the overflow pipe 8 and the water collecting box 9 are all made of transparent plastic materials.

The implementation principle of the embodiment is as follows:

in the test process, when the time of changing beaker 25, rotate earlier and place dish 21, make new beaker 25 be located funnel 26 below, then open the switch of water feeding jar 5, when water flows out from overflow hole 31, close the switch immediately, make the water layer add to 5 cm's degree of depth to reduce the time of adding water, then press thermometer 10, make test tube 102 stretch into the water layer and carry out the temperature test after, loosen thermometer 10, make spring 18 drive test tube 102 leave the water layer. Thereby making it convenient and quick for the thermometer 10 to test the water temperature. The operation actions of all links are simplified, so that the working efficiency in the soil percolation rate test is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A device for testing the percolation rate of soil, comprising a percolating cartridge (2) and a water drum (3) mounted on the percolating cartridge (2), characterized in that: still including being used for supporting ooze support (1) of straining a section of thick bamboo (2), install on support (1) and add water pitcher (5), it is connected with the delivery port to add water pitcher (5) lower extreme, delivery port and a water section of thick bamboo (3) intercommunication, it is provided with the switch whether water is gone out in control water pitcher (5) to add water pitcher (5), overflow hole (31) have been seted up on a water section of thick bamboo (3), overflow hole (31) are connected with the collection subassembly that is used for collecting water.

2. The device for testing the percolation rate of a soil according to claim 1, characterized in that: the collecting assembly comprises an overflow pipe (8) communicated with the overflow hole (31), and a water collecting box (9) communicated with the overflow pipe (8).

3. A device for testing the percolation rate of a soil according to claim 2, characterized in that: the water adding tank (5) is a tank body with an opening at the upper end, and a support plate (15) used for supporting the water adding tank (5) is installed on the support (1).

4. A device for testing the percolation rate of a soil according to claim 3, characterized in that: the water outlet is connected with a water outlet pipe (6), the switch is located at the water outlet pipe (6), and the switch is a valve (61).

5. An apparatus for testing the percolation rate of a soil according to claim 4 wherein: the water outlet end of the water outlet pipe (6) is communicated with two flow pipes (7), the two flow pipes (7) are positioned in the water barrel (3) and are symmetrically distributed along the central axis of the water barrel (3), the two flow pipes (7) are in contact with the inner wall of the water barrel (3), and a gap is reserved between the lower end of each flow pipe (7) and the water layer surface in the water barrel (3).

6. The device for testing the percolation rate of a soil according to claim 1, characterized in that: install the thermometer on support (1), the thermometer includes display part (101) and test tube (102) be connected with display part (101), fixedly connected with has fixed plate (17) on support (1), connect spring (18) that are used for driving test tube (102) and leave the water layer on fixed plate (17), the upper end of spring (18) is connected with mounting panel (19), has all seted up the through-hole on fixed plate (17) and mounting panel (19), the test end of test tube (102) runs through mounting panel (19), spring (18) and fixed plate (17) and extends to in water section of thick bamboo (3) to leave the clearance with the water layer face in water section of thick bamboo (3).

7. The device for testing the percolation rate of a soil according to claim 1, characterized in that: support (1) lower extreme is rotated and is provided with and places dish (21), place and install a plurality of beakers (25) that are the annular and distribute on dish (21), install funnel (26) on support (1), funnel (26) are located oozes the below of straining a section of thick bamboo (2), beaker (25) are located the below of funnel (26).

8. An apparatus for testing the percolation rate of a soil according to claim 7 wherein: install base (11) on support (1) lower extreme, the installation is inlayed and is equipped with bearing (23) on base (11), place lower extreme fixedly connected with pivot (22) of dish (21), the inner circle fixed connection of pivot (22) and bearing (23).