CN112881092A - Forestry reconnaissance device - Google Patents
Forestry reconnaissance device Download PDFInfo
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- CN112881092A CN112881092A CN202110064152.8A CN202110064152A CN112881092A CN 112881092 A CN112881092 A CN 112881092A CN 202110064152 A CN202110064152 A CN 202110064152A CN 112881092 A CN112881092 A CN 112881092A
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- spring
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
Abstract
The application relates to the technical field of forest exploration, and particularly discloses a forestry exploration device, which comprises a drill pipe, a fixed plate, a sliding plate and an air charging pump, wherein the fixed plate is fixed inside the drill pipe, a one-way air inlet valve is arranged on the fixed plate, the air charging pump is communicated with the one-way air inlet valve, the sliding plate is connected inside the drill pipe in a sliding and sealing mode, a first spring is arranged inside the drill pipe, one end of the first spring is fixed on the fixed plate, and the other end of the first spring is fixed on the sliding plate; an automatic valve is arranged on the part, below the fixing plate, of the side wall of the drill pipe; the lower part of the drill pipe is provided with a liquid inlet hole, and when the sliding plate moves to the limit position below, the sliding plate can block the liquid inlet hole; the part of the drill pipe below the liquid inlet hole is provided with a partition plate, and the partition plate is fixedly and hermetically connected with the drill pipe. The utility model aims to solve the problem that the solution extraction pipe is easily blocked by soil in the process of moving downwards of a soil solution collecting device.
Description
Technical Field
The invention relates to the technical field of forest exploration, in particular to a forestry exploration device.
Background
Forest soil is a material foundation for developing forest production, except for part of moisture, nutrients, light, heat and air required by forest biological accumulation, the moisture, the nutrients and part of oxygen are supplied by the forest soil and supported by the forest soil foundation, so that the forest stands on the ground to perform various life activities. Fertility is an important characteristic of forest soil, is a main factor determining forest productivity, and is a comprehensive reflection of physical, chemical and biological properties of soil. The soil fertility depends on the coordination of nutrients, moisture, air and temperature, namely water, fertilizer, air and heat. Therefore, the water content of the forest soil is restricted by conditions such as weather and can be regulated and controlled by artificial management measures. Therefore, the forest soil moisture detection is necessary, and the forest soil is detected according to the branch and then is irrigated manually and accurately to meet the requirements of fast growing and high yield of forest trees.
Soil and soil solution are both the foundation of soil scientific research, and soil reflects integrity, such as total carbon, total nitrogen and the like of soil; the soil solution is one of the most active areas in the soil and reflects the effective performance of the soil, such as available carbon, available nitrogen and the like.
The Chinese patent with the authorization notice number of CN111351680B discloses a portable soil and soil solution collecting device, which comprises a collecting cylinder, a driving cavity is arranged in the middle of the inner side of the collecting cylinder, a soil collecting cavity and a solution collecting cavity are respectively arranged on the two sides of the driving cavity, a rotating rod extending into the driving cavity is arranged in the soil collecting cavity, a helical blade is arranged on the rotating rod, a piston plate is arranged in the solution collection cavity in a matching and sliding manner, a threaded cylinder is arranged on one side of the piston plate close to the driving cavity, a threaded rod extending into the driving cavity is connected on the threaded cylinder in a threaded matching manner, install in the drive intracavity and be used for selecting the rotatory drive assembly of drive rotary rod or threaded rod, the one end that the collection section of thick bamboo is close to solution collection chamber still cooperates and installs soil and keep off the net, soil keeps off and installs the solution extraction tube who gathers the chamber intercommunication with solution in the net: the driving component comprises a rotating shaft, a first guide plate, a rocking handle, an elastic telescopic fixing component, a supporting pipe, a second guide plate, a rotating body, a first bevel gear, a second bevel gear and a third bevel gear; a first movable opening and a second movable opening are respectively formed in the collecting cylinder on two sides of the driving cavity, a first guide plate is arranged on the first movable opening in a matched and sliding mode, and a second guide plate is arranged on the second movable opening in a matched and sliding mode; the collecting device comprises a collecting barrel, a first guide plate, a second guide plate, a rotating shaft, a support pipe, a rotating body, a rocking handle and an elastic telescopic fixing assembly, wherein the first guide plate is rotatably provided with the rotating shaft, the second guide plate is rotatably provided with the support pipe, the rotating shaft and the support pipe are coaxially arranged, one end of the rotating shaft, which is opposite to the support pipe, is connected through the rotating body, the other end of the rotating shaft is fixedly provided with the rocking handle, and the other; a first bevel gear is fixedly arranged at the end part of the rotating rod in the driving cavity, and a second bevel gear is fixedly arranged at the end part of the threaded rod in the driving cavity; and a third bevel gear which can be in meshed connection with the first bevel gear and the second bevel gear is also fixedly arranged on the rotating shaft.
Can drive the rotatory drive assembly of rotary rod or threaded rod through the setting in the above-mentioned scheme, when drive assembly drive rotary rod is rotatory, install soil with the collection section of thick bamboo and keep off the one end of net and insert soil, keep off the net through soil and can block soil, and the extrusion filters out soil solution, because of threaded rod and threaded cylinder cooperation threaded connection, but threaded cylinder threaded rod relatively removes, and then threaded cylinder can drive the piston board and remove, be convenient for extract the collection through the soil solution that solution extraction pipe filtered out in keeping off the net to soil.
Although a soil solution sampling device is provided in the above scheme, the problem that the solution extraction pipe is easily blocked by soil in the process of downward movement of the soil solution sampling device still exists.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a forestry investigation device, which solves the problem that a solution extraction pipe is easily blocked by soil in the downward movement process of a soil solution collection device.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the forestry investigation device comprises a drill pipe, a fixed plate, a sliding plate and an air pump, wherein the fixed plate is fixed inside the drill pipe, a one-way air inlet valve is arranged on the fixed plate, the air pump is communicated with the one-way air inlet valve, the sliding plate is connected inside the drill pipe in a sliding and sealing mode, a first spring is arranged inside the drill pipe, one end of the first spring is fixed on the fixed plate, and the other end of the first spring is fixed on the sliding plate; an automatic valve is arranged on the part, below the fixing plate, of the side wall of the drill pipe; the lower part of the drill pipe is provided with a liquid inlet hole, and when the sliding plate moves to a lower limit position, the sliding plate can block the liquid inlet hole; the part of the drill pipe below the liquid inlet hole is provided with a partition plate, and the partition plate is fixedly and hermetically connected with the drill pipe.
The technical principle of the technical scheme is as follows:
1. arranging a drill pipe, wherein the drill pipe is used for drilling soil to a specified depth;
2. the air pump is used for inflating air into a part, positioned between the fixed plate and the sliding plate, in the drill pipe before use, the sliding plate is made to slide downwards to a lower limit position by overcoming the acting force of the first spring through the air, the liquid inlet hole is blocked by the sliding plate, and the situation that the liquid inlet hole is blocked by soil in the downward movement process of the drill pipe to cause the blockage of the liquid inlet hole is avoided; when the liquid inlet hole reaches the designated depth, the automatic valve is opened, air in the drill pipe is discharged through the automatic valve, the sliding plate moves upwards under the elastic force of the first spring, the part, located below the sliding plate, in the drill pipe generates negative pressure, and soil solution at the designated depth is sucked in the drill pipe through the liquid inlet hole.
The beneficial effect that this scheme produced is: compared with the existing soil solution sampling device, the existing soil solution sampling device has the advantages that the solution extraction pipe is easily blocked by soil in the downward movement process; and in this application scheme through in advance to the inside air drive sliding plate downstream of blowing into of drill pipe to with the shutoff of feed liquor hole, avoid the feed liquor hole jam that the in-process of drill pipe downstream leads to, after reaching the appointed degree of depth, open the automatic valve, the sliding plate upward movement, the inside soil solution that alright inhale the appointed degree of depth of drill pipe.
Further, a columnar cavity is arranged in the partition plate, a turbine is coaxially arranged in the cavity, a shell of the turbine is fixed on the inner side wall of the cavity, a rotating shaft of the turbine is rotatably connected in the cavity, and the automatic valve is communicated with the cavity through an exhaust pipe; a fixed box is fixed inside the lower part of the drill pipe, the lower end of a rotating shaft of the turbine penetrates through the partition plate and the top wall of the fixed box and extends into the fixed box, a rotating cylinder is fixed at the lower end of the rotating shaft of the turbine, and the lower end of the rotating cylinder penetrates through the bottom wall of the fixed box and is in rotary sealing connection with the fixed box; the interior of the rotary drum is coaxially provided with a spiral sheet; the liquid inlet hole is communicated with the lower part in the fixed box through a liquid suction pipe, and a control mechanism is arranged on the side wall of the rotary drum and allows soil solution to pass through when the rotary drum rotates; when the rotary drum is static, the control mechanism seals the side wall of the rotary drum; and an exhaust valve is arranged at the bottom of the fixed box.
After the sliding plate moves downwards to a limit position below, the sliding plate does not move downwards any more, the air is continuously blown into the drill pipe by the air pump, the air is compressed to form compressed air in the drill pipe, after the automatic valve is opened, high-speed flowing gas discharged from the interior of the drill pipe enters a cavity in the partition plate, the high-speed flowing gas drives a rotating shaft of a turbine to rotate, the rotating shaft of the turbine drives a rotating drum to rotate to generate centrifugal force, a control mechanism is opened, the inner side and the outer side of the rotating drum are communicated, soil solution in the rotating drum can enter a fixed box through the control mechanism, and a soil solution sample in the fixed box can be sucked into the interior of the drill pipe through a pipette; meanwhile, in order to avoid the blockage of the soil absorbing pipe by soil in the process of absorbing the soil solution, the rotating drum drives the spiral piece to rotate to discharge the soil in the rotating drum outwards, so that the soil at the lower end of the rotating drum forms a groove, the soil solution is converged in the groove, the soil solution can conveniently enter the rotating drum, and the soil is prevented from entering the fixing box and the absorbing pipe through the control mechanism; stopping the air pump, closing the automatic valve after the air exhaust inside the drill pipe is finished, stopping the rotation of the rotating shaft of the turbine, stopping the rotation of the rotating drum, and plugging the inner side and the outer side of the rotating drum by the control mechanism to avoid the leakage of a soil sample inside the drill pipe; and after the drill pipe is taken out, starting the air pump, blowing air into the drill pipe by the air pump again, driving the sliding plate to move downwards by the air to discharge the soil solution in the drill pipe into the fixed box, and opening the emptying valve at the bottom of the fixed box to discharge the soil solution.
Further, a fixed block is fixed on the side wall of the rotary drum, a blind hole is formed in the fixed block, and an opening of the blind hole faces the inner side of the rotary drum; a blocking block is connected inside the blind hole in a sliding and sealing mode, a second spring is arranged inside the blind hole, one end of the second spring is fixed to the blocking block, and the other end of the second spring is fixed to the bottom of the blind hole; and a through hole for communicating the inside of the blind hole with the outer side of the rotary drum is arranged below the middle part of the blind hole.
The rotating drum rotates to generate centrifugal force, the blocking block slides to the bottom of the blind hole under the action of the centrifugal force, the blind hole communicates the interior of the rotating drum with the through hole, and soil solution in the interior of the rotating drum can enter the fixing box; when the rotating drum stops rotating, centrifugal force disappears, and the blocking block resets under the acting force of the second spring to block the through hole.
Further, the blind holes are T-shaped blind holes. Prevent the block from slipping from the blind hole
Further, the number of the control mechanisms is set to be 10-50 and the control mechanisms are evenly distributed on the circumference of the axis of the rotary drum. 10-50 control mechanisms are provided to allow the soil solution inside the drum to quickly enter the holding tank.
Further, the lower end of the drill pipe is in a round table shape. The soil drilling is convenient.
Drawings
Fig. 1 is a sectional view of the entire structure.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a drill pipe 10, a fixing plate 11, a one-way air inlet valve 12, an air pump 13, a first spring 14, a sliding plate 15, an automatic valve 16, an exhaust pipe 17, a rotating shaft 20 of a turbine, a shell 21 of the turbine, a liquid suction pipe 22, a fixing box 30, a rotating cylinder 40, a rotating rod 41, a spiral sheet 42, a fixing block 43, a blind hole 44, a second spring 45, a blocking block 46 and a through hole 47.
The embodiment is basically as shown in the attached figures 1-2: a forestry investigation apparatus includes a drill pipe 10, a fixed plate 11, a sliding plate 15, an inflator 13, a partition plate, a turbine, a fixed box 30, and a drum 40.
As shown in fig. 1, the upper portion of the drill pipe 10 is cylindrical, the lower end of the drill pipe 10 is in the shape of an inverted circular truncated cone, the axis of the drill pipe 10 is arranged along the vertical direction, the fixed plate 11 is fixed at the upper portion in the drill pipe 10, the fixed plate 11 is provided with the one-way air inlet valve 12, the inflator 13 is fixed at the portion, located above the fixed plate 11, in the drill pipe 10, the outlet end of the inflator 13 is communicated with the one-way air inlet valve 12, the sliding plate 15 is coaxially arranged with the drill pipe 10, the sliding plate 15 is connected inside the drill pipe 10 in a sliding and sealing manner, the drill pipe 10 is provided with the first spring 14 inside, one end of the first spring 14 is fixed on the; an automatic valve 16 is arranged on the part, below the fixing plate 11, of the left side wall of the drill pipe 10, the automatic valve 16 is electrically connected with an automatic valve switch, the automatic valve switch is pressed down, the automatic valve 16 is opened, and then the automatic valve switch is pressed down, and the automatic valve 16 is closed; an automatic valve switch is fixed on the top of the drill pipe 10. A liquid inlet hole is formed in the right lower part of the drill pipe 10, a partition plate is arranged on the part, below the liquid inlet hole, of the drill pipe 10, and the partition plate is fixedly and hermetically connected with the drill pipe 10; when the sliding plate 15 moves to the lower limit position, that is, the sliding plate 15 moves downward to abut against the partition plate, the sliding plate 15 can block the liquid inlet hole.
The drill pipe 10 is used for drilling earth so that the lower end of the present forestry investigation apparatus can reach a designated depth. The lower end of the drill pipe 10 is arranged to be round table-shaped, so that soil drilling is facilitated.
Before the forestry investigation device is used, air is filled into the part, positioned between the fixed plate 11 and the sliding plate 15, in the drill pipe 10 through the inflator pump 13, the sliding plate 15 slides downwards to a lower limit position by overcoming the acting force of the first spring 14 through the air, the sliding plate 15 blocks the liquid inlet hole, and the situation that the liquid inlet hole is blocked due to the blocking of the liquid inlet hole by soil in the downward movement process of the drill pipe 10 is avoided; when the liquid inlet hole reaches a designated depth, the automatic valve 16 is opened, air inside the drill pipe 10 is discharged through the automatic valve 16, the sliding plate 15 moves upwards under the elastic force of the first spring 14, negative pressure is generated in the portion, below the sliding plate 15, inside the drill pipe 10, and soil solution at the designated depth can be sucked in through the liquid inlet hole inside the drill pipe 10.
As shown in fig. 1, a columnar cavity is arranged in the partition board, a turbine is coaxially arranged in the cavity, a shell 21 of the turbine is fixed on the inner side wall of the cavity, a rotating shaft 20 of the turbine is rotatably connected in the cavity, an automatic valve 16 is communicated with the top in the cavity through an exhaust pipe 17, and the left lower end of the cavity is communicated with the outside through a one-way exhaust valve; a fixed box 30 is coaxially fixed in the lower part of the drill pipe 10, the fixed box 30 is cylindrical, the lower end of a rotating shaft 20 of the turbine penetrates through the partition plate and the top wall of the fixed box 30 and extends into the fixed box 30, the rotating shaft 20 of the turbine is in rotary sealing connection with the partition plate and the fixed box 30, a rotating drum 40 is coaxially fixed at the lower end of the rotating shaft 20 of the turbine, the rotating drum 40 is cylindrical, and the lower end of the rotating drum 40 penetrates through the bottom wall of the fixed box 30 and is in rotary sealing connection with the fixed box 30; the lower end of the rotating cylinder 40 is opened, a rotating rod 41 is coaxially fixed in the rotating cylinder 40, and a spiral sheet 42 is fixed on the rotating rod 41; the liquid inlet hole is communicated with the lower part in the fixed box 30 through a liquid suction pipe 22; as shown in fig. 2, a fixing block 43 is fixed on the right side wall of the rotary drum 40, the left and right ends of the fixing block 43 penetrate through the inner and outer side walls of the rotary drum 40 and are hermetically connected with the rotary drum 40, a blind hole 44 is arranged inside the fixing block 43, the axis of the blind hole 44 is arranged along the horizontal direction, the opening of the blind hole 44 is arranged towards the left, the blind hole 44 is a T-shaped blind hole 44, and the diameter of the mouth of the blind hole 44 is 0.8 times the diameter of the bottom of the blind hole 44; a cylindrical block 46 is connected in the blind hole 44 in a sliding and sealing mode, a second spring 45 is arranged in the blind hole 44, one end of the second spring 45 is fixed to the block 46, and the other end of the second spring 45 is fixed to the bottom of the blind hole 44; a through hole 47 for communicating the inside of the blind hole 44 with the outside of the rotary drum 40 is arranged below the middle part of the blind hole 44; the bottom of the stationary box 30 is provided with an evacuation valve.
After the sliding plate 15 moves downwards to a lower extreme position, the sliding plate 15 does not move downwards any more, the air pump 13 continues to blow air into the drill pipe 10, the air is compressed to form compressed air inside the drill pipe 10, after the automatic valve 16 is opened, high-speed flowing gas discharged from the inside of the drill pipe 10 enters a cavity inside the partition plate, the high-speed flowing gas drives the rotating shaft 20 of the turbine to rotate, the rotating shaft 20 of the turbine drives the rotating drum 40 to rotate to generate centrifugal force, the blocking block 46 moves towards the bottom of the blind hole 44 and compresses the second spring 45 under the action of the centrifugal force, the blocking block 46 moves to the right side of the through hole 47, the inner side and the outer side of the rotating drum 40 are communicated, soil solution inside the rotating drum 40 can enter the fixing box 30 through the fixing block 43, and soil solution samples inside the fixing box 30 can be sucked into the drill pipe 10; meanwhile, in order to avoid the blockage of the pipette 22 by soil in the process of sucking soil solution, the rotating rod 41 is driven by the rotating drum 40 to rotate, the spiral sheet 42 is driven by the rotating rod 41 to rotate to discharge the soil in the rotating drum 40 outwards, so that a groove is formed in the soil layer at the lower end of the rotating drum 40, the soil solution is collected in the groove, the soil solution can conveniently enter the rotating drum 40, and the soil is prevented from entering the fixing box 30 and the pipette 22 through the fixing block 43; after sampling is finished, the air pump 13 is stopped, after the internal exhaust of the drill pipe 10 is finished, the automatic valve 16 is closed, the rotating shaft 20 of the turbine stops rotating, the rotating drum 40 stops rotating, and the fixing block 43 plugs the inner side and the outer side of the rotating drum 40, so that the soil sample in the drill pipe 10 is prevented from leaking; after the drill pipe 10 is taken out, the air pump 13 is started, the air pump 13 blows air into the drill pipe 10 again, the air drives the sliding plate 15 to move downwards to discharge the soil solution in the drill pipe 10 into the fixed box 30, and the emptying valve at the bottom of the fixed box 30 is opened, so that the soil solution can be discharged.
In the present embodiment, the number of the fixing blocks 43 is set to 30 and is uniformly distributed circumferentially about the axis of the drum 40. The 30 control mechanisms are provided to allow the soil solution inside the drum 40 to quickly enter the holding tank 30.
The specific implementation process is as follows: in the initial state, the automatic valve 16 is closed; before the forestry investigation device is used, air is filled into the part, positioned between the fixed plate 11 and the sliding plate 15, in the drill pipe 10 through the air pump 13, so that the sliding plate 15 blocks the liquid inlet hole; after the liquid inlet hole reaches the designated depth, the automatic valve 16 is opened, compressed air in the drill pipe 10 is discharged through the automatic valve 16, on one hand, gas flowing at high speed drives the rotating shaft 20 of the turbine to rotate, the rotating shaft 20 of the turbine drives the rotating drum 40 to rotate to generate centrifugal force, the blocking block 46 moves towards the bottom of the blind hole 44 under the action of the centrifugal force, the inner side and the outer side of the rotating drum 40 are communicated, and soil solution in the rotating drum 40 can enter the fixing box 30 through the fixing block 43; on the other hand, the sliding plate 15 moves upwards under the elastic force of the first spring 14, negative pressure is generated in the part of the inside of the drill pipe 10 below the sliding plate 15, and soil solution with a specified depth can be sucked in the inside of the drill pipe 10 through the liquid inlet hole; meanwhile, the rotating drum 40 drives the spiral plate 42 to rotate to discharge the soil inside the rotating drum 40 outwards, so that a groove is formed in the soil layer at the lower end of the rotating drum 40, the soil solution is collected in the groove, the soil solution can conveniently enter the rotating drum 40, and the soil is prevented from entering the fixing box 30 and the pipette 22 through the fixing block 43; preventing the pipette 22 from being clogged with soil during the suction of the soil solution.
Compared with the existing soil solution sampling device which is convenient for sampling the soil solution by arranging the blocking net, the existing soil solution sampling device can only block large-particle soil by arranging the blocking net, cannot block small-particle soil, and cannot automatically discharge the soil entering the inner side of the blocking net, so that the solution extraction pipe can still be blocked by the small-particle soil in the processes of downward movement and soil solution extraction of the soil solution sampling device; in the scheme of the application, in the process of downward movement of the drill pipe 10, the side wall of the rotary drum 40 is plugged by the fixing block 43, so that soil is prevented from entering the fixing box 30 and the pipette 22, and the pipette 22 is prevented from being plugged, after the drill pipe 10 reaches a specified depth, the turbine is driven to rotate by gas, on one hand, the spiral sheet 42 rotates to convey the soil inside the rotary drum 40 outwards, so that a groove is formed in the soil layer at the lower end of the rotary drum 40, soil solution is collected in the groove, and the soil solution can conveniently enter the rotary drum 40; on the other hand, the turbine drives the rotating drum 40 to rotate to generate centrifugal force, so that the inner side wall and the outer side wall of the rotating drum 40 are communicated, and the soil solution sample is automatically sucked into the drill pipe 10; after the discharging is finished, the fixing block 43 plugs the inner side wall of the rotary drum 40 again, so that the leakage of the soil solution sample inside the drill pipe 10 is avoided.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. A forestry investigation device which characterized in that: the device comprises a drill pipe, a fixed plate, a sliding plate and an inflator pump, wherein the fixed plate is fixed inside the drill pipe, a one-way air inlet valve is arranged on the fixed plate, the inflator pump is communicated with the one-way air inlet valve, the sliding plate is connected inside the drill pipe in a sliding and sealing mode, a first spring is arranged inside the drill pipe, one end of the first spring is fixed on the fixed plate, and the other end of the first spring is fixed on the sliding plate; an automatic valve is arranged on the part, below the fixing plate, of the side wall of the drill pipe; the lower part of the drill pipe is provided with a liquid inlet hole, and when the sliding plate moves to a lower limit position, the sliding plate can block the liquid inlet hole; the part of the drill pipe below the liquid inlet hole is provided with a partition plate, and the partition plate is fixedly and hermetically connected with the drill pipe.
2. The forestry investigation apparatus of claim 1, wherein: a columnar cavity is arranged in the partition plate, a turbine is coaxially arranged in the cavity, a shell of the turbine is fixed on the inner side wall of the cavity, a rotating shaft of the turbine is rotatably connected in the cavity, and the automatic valve is communicated with the cavity through an exhaust pipe; a fixed box is fixed inside the lower part of the drill pipe, the lower end of a rotating shaft of the turbine penetrates through the partition plate and the top wall of the fixed box and extends into the fixed box, a rotating cylinder is fixed at the lower end of the rotating shaft of the turbine, and the lower end of the rotating cylinder penetrates through the bottom wall of the fixed box and is in rotary sealing connection with the fixed box; the interior of the rotary drum is coaxially provided with a spiral sheet; the liquid inlet hole is communicated with the lower part in the fixed box through a liquid suction pipe, and a control mechanism is arranged on the side wall of the rotary drum and allows soil solution to pass through when the rotary drum rotates; when the rotary drum is static, the control mechanism seals the side wall of the rotary drum; and an exhaust valve is arranged at the bottom of the fixed box.
3. The forestry investigation apparatus of claim 2, wherein: a fixed block is fixed on the side wall of the rotary drum, a blind hole is arranged in the fixed block, and the opening of the blind hole faces the inner side of the rotary drum; a blocking block is connected inside the blind hole in a sliding and sealing mode, a second spring is arranged inside the blind hole, one end of the second spring is fixed to the blocking block, and the other end of the second spring is fixed to the bottom of the blind hole; and a through hole for communicating the inside of the blind hole with the outer side of the rotary drum is arranged below the middle part of the blind hole.
4. A forestry investigation apparatus according to claim 3, wherein: the blind holes are T-shaped blind holes.
5. The forestry investigation apparatus of claim 2, wherein: the number of the control mechanisms is 10-50 and is evenly distributed on the circumference of the axis of the rotary drum.
6. The forestry investigation apparatus of claim 1, wherein: the lower end of the drill pipe is in a round table shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110064152.8A CN112881092B (en) | 2021-01-18 | 2021-01-18 | Forestry reconnaissance device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110064152.8A CN112881092B (en) | 2021-01-18 | 2021-01-18 | Forestry reconnaissance device |
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| Publication Number | Publication Date |
|---|---|
| CN112881092A true CN112881092A (en) | 2021-06-01 |
| CN112881092B CN112881092B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110064152.8A Active CN112881092B (en) | 2021-01-18 | 2021-01-18 | Forestry reconnaissance device |
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| CN108722315A (en) * | 2018-04-27 | 2018-11-02 | 彭志文 | Have the discharging mechanism of anti-blockage function and the mixer-granulator based on the mechanism |
| CN208091738U (en) * | 2018-03-21 | 2018-11-13 | 贵安新区森林勘察设计有限公司 | A kind of environment-friendly engineering soil monitoring sampler |
| CN111351680A (en) * | 2020-05-04 | 2020-06-30 | 广州大麦生物科技有限公司 | Portable soil and soil solution collection system |
| CN211825239U (en) * | 2020-03-23 | 2020-10-30 | 钟涛 | Hydrogeology uses sampling device |
| CN212059424U (en) * | 2020-03-17 | 2020-12-01 | 康强 | Soil sampling device is used to agricultural |
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2021
- 2021-01-18 CN CN202110064152.8A patent/CN112881092B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3670830A (en) * | 1969-04-09 | 1972-06-20 | Conrad & Hijsch Nv | Drilling apparatus |
| US6565811B1 (en) * | 1989-03-30 | 2003-05-20 | Solomon Zaromb | Apparatus for the detection of harmful substances or traces thereof |
| CN106525501A (en) * | 2016-11-16 | 2017-03-22 | 江苏智石科技有限公司 | Removable soil solution extraction device |
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