CN108562717B - Portable soil pollution diagnostic equipment - Google Patents
Portable soil pollution diagnostic equipment Download PDFInfo
- Publication number
- CN108562717B CN108562717B CN201810438569.4A CN201810438569A CN108562717B CN 108562717 B CN108562717 B CN 108562717B CN 201810438569 A CN201810438569 A CN 201810438569A CN 108562717 B CN108562717 B CN 108562717B
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- Prior art keywords
- rotating shaft
- sampling barrel
- filter plate
- sampling
- cavity
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention provides portable soil pollution diagnosis equipment, and belongs to the field of soil diagnosis. The portable soil pollution diagnosis device comprises a detection probe and a sampling barrel, wherein a filter plate is horizontally arranged in the sampling barrel, the filter plate is connected with the sampling barrel through a thread structure, the filter plate divides an inner cavity of the sampling barrel into an upper cavity and a lower cavity, a hollow rotating shaft is arranged in the upper cavity, the upper end of the rotating shaft extends out of the sampling barrel, the rotating shaft is axially and fixedly connected with the sampling barrel, the lower end surface of the rotating shaft is abutted against the filter plate, the inner cavity of the rotating shaft is staggered with a filter hole, an annular stirring blade is sleeved and fixed at the lower end of the rotating shaft, and a motor capable of; a holding rod is vertically arranged in the rotating shaft, the upper end of the holding rod extends out of the rotating shaft, and the lower end of the holding rod is fixedly connected with the filter plate; the through-hole has been seted up along this sampling bucket radial run-through to the sampling bucket lateral wall, and through-hole and epicoele intercommunication, and test probe is shaft-like and inserts in the through-hole, and test probe can slide along the radial of sampling bucket and make its sense terminal be located the intracavity. The invention has the advantage of high detection precision.
Description
Technical Field
The invention belongs to the field of soil diagnosis, relates to a soil pollution diagnosis device, and particularly relates to a portable soil pollution diagnosis device.
Background
The collection of soil samples is the basic stage for the research of soil environmental problems, and the sample collection has different requirements according to different research requirements.
The existing soil collection and detection equipment is a soil pollution detection instrument as disclosed in the Chinese patent library (application number: 201710801430.7, respectively; application publication No.: CN 107345863A, including being cylindric sampling bucket, upper end and extending the back shaft and the detection mechanism of sampling bucket, the back shaft with the sampling bucket passes through threaded connection, be equipped with the scale mark on the back shaft, the bottom fixedly connected with of back shaft is the drill bit of back taper, the lateral surface processing of drill bit has the spiral, a handle is connected to the back shaft upper end, the cover has anti-skidding cover on the handle, detect the structure include the display screen, with detection probe, orientation module and the information processing module that the display screen electricity is connected respectively, detection probe is located in the sampling bucket.
The soil is detected by the instrument through the detection probe, and the instrument has the advantage of convenience in use. However, this instrument still has a problem: the soil is doped with impurities such as stones, animals and plants, which can affect the detection precision and are very easy to damage when the detection probe collides with a hard object.
Disclosure of Invention
The invention aims to provide a portable soil pollution diagnosis device aiming at the problems in the prior art, and solves the technical problem of how to improve the detection precision.
The purpose of the invention can be realized by the following technical scheme: the portable soil pollution diagnostic equipment comprises a detection probe and a sampling barrel with a downward barrel opening, and is characterized in that a filter plate is horizontally arranged in the sampling barrel, the filter plate and the sampling barrel are detachably connected through a threaded structure, the inner cavity of the sampling barrel is divided into an upper cavity and a lower cavity by the filter plate, the upper cavity and the lower cavity are communicated through a filter hole in the filter plate, a hollow rotating shaft is vertically arranged in the upper cavity, the upper end of the rotating shaft extends out of the sampling barrel, the rotating shaft is axially and fixedly connected with the sampling barrel, the lower end face of the rotating shaft abuts against the filter plate, the position of the inner cavity of the rotating shaft is staggered with the filter hole, an annular stirring blade is sleeved and fixed at the lower end of the rotating shaft, and a motor capable of driving the rotating shaft to rotate is fixedly arranged on the top wall of the sampling barrel; a holding rod is vertically arranged in the rotating shaft, the upper end of the holding rod extends out of the rotating shaft, and the lower end of the holding rod is fixedly connected with the filter plate; the lateral wall of sampling bucket run through along this sampling bucket radially and seted up the through-hole, and through-hole and epicoele intercommunication, test probe be shaft-like and insert in the through-hole, test probe can be along the radial slip of sampling bucket and make its sense terminal be located the intracavity.
The using process is as follows: the lower extreme of sampling bucket inserts soil and takes a sample, and the back of finishing taking a sample extracts the sampling bucket, then in the soil that the power upwards extrusion is in the cavity down made it enter into the epicoele, the motor drives stirring vane through the pivot and rotates after that to break up the soil that is in the intracavity, then promote test probe and make its sense terminal enter into the epicoele, detect the soil of going up the intracavity.
The material taking rod is divided into the lower cavity for sampling and the upper cavity for detection by the filter plate, so that impurities such as stones, animals and plants are effectively reduced from entering the upper cavity, the influence on the detection process can be reduced, the detection precision is improved, and the detection probe can be prevented from being damaged by contact with a hard object.
Secondly, the motor drive pivot rotates in order to drive stirring vane stirring and be in the soil of intracavity to break up soil, make test probe stretch into soil inside more easily and detect, in order to improve simultaneously and detect precision and convenience.
In the above portable soil pollution diagnosis device, the motor is disposed on one side of the rotating shaft, and the motor drives the rotating shaft to rotate through the transmission mechanism.
In the above portable soil pollution diagnosis device, the transmission mechanism includes a main gear fixed on the main shaft of the motor and a pinion fixed on the rotating shaft, and the main gear and the pinion are engaged with each other.
As another scheme, in the above portable soil pollution diagnosis device, the transmission mechanism includes a driving wheel fixed on the main shaft of the motor and a driven wheel fixed on the rotating shaft, and the driving wheel and the driven wheel are connected through a synchronous belt.
In foretell portable soil pollution diagnostic equipment, the roof of sampling bucket on have and be the convex connecting portion of tube-shape, connecting portion cover is outside the pivot, and the upper end of foretell motor, drive mechanism and pivot all is located connecting portion, the upper end external screw joint of connecting portion have the pressure cap, have the annular convex shoulder on the inside wall of pressure cap, the annular convex shoulder cover establish outside holding the pole, and form sealedly between the inside wall of annular convex shoulder and the holding pole. Under the matching of the connecting part and the pressing cap, the components such as the motor, the transmission mechanism and the like are hidden in a closed cavity, so that the components are prevented from being touched by an operator by mistake, the potential safety hazard is reduced, and the integral attractiveness is improved.
In the portable soil pollution diagnosis device, an annular groove is formed in the side wall of the holding rod, a 0-shaped ring is arranged in the annular groove, and the outer peripheral surface of the 0-shaped ring abuts against the inner side wall of the annular convex shoulder. Under the action of the sealing ring, a reliable seal is formed between the holding rod and the annular shoulder.
In foretell portable soil pollution diagnostic equipment, the roof of sampling bucket on be equipped with the connecting hole that supplies the pivot upper end to stretch out, the lateral wall of pivot on seted up and be annular seal groove, the seal groove in be equipped with the sealing washer, and the lateral wall of sealing washer and the pore wall of connecting hole offset. Under the effect of the sealing ring, reliable sealing is formed between the rotating shaft and the sampling barrel, so that the sampling barrel can be washed after the filter plate is screwed down and the lower port of the rotating shaft is plugged, and the convenience for washing the sampling barrel is effectively improved.
Compared with the prior art, the portable soil pollution diagnosis equipment has the following advantages:
1. the material taking rod is divided into the lower cavity for sampling and the upper cavity for detection by the filter plate, so that impurities such as stones, animals and plants are effectively reduced from entering the upper cavity, the influence on the detection process can be reduced, the detection precision is improved, and the detection probe can be prevented from being damaged by contact with a hard object.
2. The motor drive pivot rotates and is in the soil of intracavity in order to drive stirring vane stirring to break up soil, make test probe stretch into soil inside more easily and detect, with improve simultaneously and detect precision and convenience.
3. Under the effect of the sealing ring, reliable sealing is formed between the rotating shaft and the sampling barrel, so that the sampling barrel can be washed after the filter plate is screwed down and the lower port of the rotating shaft is plugged, and the convenience for washing the sampling barrel is effectively improved.
Drawings
Fig. 1 is a schematic structural view of the portable soil contamination diagnosis apparatus.
Fig. 2 is an enlarged schematic view of a structure at a in fig. 1.
In the figure, 1, a detection probe; 2. a sampling barrel; 2a, an upper cavity; 2b, a lower cavity; 2c, a connecting part; 3. filtering the plate; 4. a holding rod; 5. a motor; 6. a rotating shaft; 7. pressing the cap; 7a, an annular shoulder; 8. a bearing seat; 9. a stirring blade; 10. a main gear; 11. a pinion gear; 12. 0-shaped ring; 13. and (5) sealing rings.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1 and 2, the portable soil pollution diagnosis device is composed of a detection probe 1, a sampling barrel 2, a filter plate 3, a holding rod 4, a motor 5, a rotating shaft 6, a pressing cap 7 and the like.
Specifically, in use, the bung of the sampling bucket 2 is disposed downwardly. The filter plate 3 is horizontally arranged in the sampling barrel 2, the filter plate 3 and the sampling barrel 2 are detachably connected through a thread structure, and at the moment, the filter plate 3 is rotated to enable the filter plate to move up and down. The filter plate 3 divides the inner cavity of the sampling barrel 2 into an upper cavity 2a and a lower cavity 2b, and the upper cavity 2a and the lower cavity 2b are communicated through filter holes on the filter plate 3.
Wherein, the vertical pivot 6 that is the cavity form that is equipped with in the epicoele 2a, the upper end of pivot 6 stretches out sampling bucket 2, and pivot 6 and 2 axial links firmly of sampling bucket. In this embodiment, the mode that pivot 6 and sample bucket 2 axial are linked firmly is as follows: and a bearing seat 8 is fixed on the inner top wall of the sampling barrel 2, a bearing is installed in the bearing seat 8, the bearing sleeve is sleeved outside the rotating shaft 6, and the inner ring of the bearing is fixedly connected with the rotating shaft 6. The lower end surface of the rotating shaft 6 is abutted against the filter plate 3, and the inner cavity of the rotating shaft 6 is staggered with the filter hole. The lower end of the rotating shaft 6 is sleeved and fixed with an annular stirring blade 9, and the preferred stirring blade 9 is fixedly connected with the rotating shaft 6 in a welding mode.
The top wall of the sampling barrel 2 is fixedly provided with a motor 5 which can drive the rotating shaft 6 to rotate. Specifically, the motor 5 is disposed on one side of the rotating shaft 6, and the motor 5 drives the rotating shaft 6 to rotate through a transmission mechanism. In the present embodiment, the transmission mechanism includes a main gear 10 fixed on the main shaft of the motor 5 and a sub-gear 11 fixed on the rotating shaft 6, and the main gear 10 and the sub-gear 11 are engaged.
As shown in fig. 1, a holding rod 4 is vertically arranged in the rotating shaft 6, the upper end of the holding rod 4 extends out of the rotating shaft 6, and the lower end of the holding rod 4 is fixedly connected with the filter plate 3. Have on the roof of sampling bucket 2 and be the convex connecting portion 2c of tube-shape, connecting portion 2c and sampling bucket 2 formula structure as an organic whole, and connecting portion 2c cover is outside pivot 6. The upper ends of the motor 5, the transmission mechanism and the rotating shaft 6 are all positioned in the connecting part 2 c; the upper end of the connecting part 2c is externally screwed with a pressing cap 7, the inner side wall of the pressing cap 7 is provided with an annular shoulder 7a, the annular shoulder 7a is sleeved outside the holding rod 4, and a seal is formed between the inner side wall of the annular shoulder 7a and the holding rod 4. Further, an annular groove is formed in the side wall of the holding rod 4, and the annular groove and the holding rod 4 are coaxially arranged. A0-shaped ring 12 is arranged in the annular groove, and the peripheral surface of the 0-shaped ring 12 is abutted against the inner side wall of the annular convex shoulder 7 a. As shown in fig. 2, a connecting hole for extending the upper end of the rotating shaft 6 is formed in the top wall of the sampling barrel 2, an annular sealing groove is formed in the outer side wall of the rotating shaft 6, a sealing ring 13 is arranged in the sealing groove, and the outer side wall of the sealing ring 13 is abutted to the hole wall of the connecting hole.
As shown in fig. 1, a through hole is formed in the sidewall of the sampling barrel 2 along the radial direction of the sampling barrel 2, and the through hole is communicated with the upper chamber 2 a. The detection probe 1 is rod-shaped and inserted into the through hole, and the detection probe 1 can slide along the radial direction of the sampling barrel 2 and enables the detection end to be positioned in the upper cavity 2 a.
The using process is as follows: the lower end of the sampling barrel 2 is inserted into soil for sampling, after sampling is finished, the sampling barrel 2 is pulled out, then the soil in the lower cavity 2b is pressed upwards by force to enter the upper cavity 2a, then the motor 5 drives the stirring blade 9 to rotate through the rotating shaft 6 so as to break up the soil in the upper cavity 2a, and then the detection probe 1 is pushed to enable the detection end of the detection probe to enter the upper cavity 2a, so that the soil in the upper cavity 2a is detected.
Example two
The second embodiment is basically the same as the first embodiment in structure and principle, and the difference lies in: the transmission mechanism comprises a driving wheel fixed on a main shaft of the motor 5 and a driven wheel fixed on the rotating shaft 6, and the driving wheel is connected with the driven wheel through a synchronous belt.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (1)
1. A portable soil pollution diagnostic equipment comprises a detection probe and a sampling barrel with a downward barrel opening, and is characterized in that a filter plate is horizontally arranged in the sampling barrel, the filter plate and the sampling barrel are detachably connected through a threaded structure, the inner cavity of the sampling barrel is divided into an upper cavity and a lower cavity by the filter plate, the upper cavity and the lower cavity are communicated through filter holes in the filter plate, a hollow rotating shaft is vertically arranged in the upper cavity, the upper end of the rotating shaft extends out of the sampling barrel, the rotating shaft is axially and fixedly connected with the sampling barrel, the lower end face of the rotating shaft abuts against the filter plate, the position of the inner cavity of the rotating shaft is staggered with the filter holes, an annular stirring blade is sleeved and fixed at the lower end of the rotating shaft, and a motor capable of driving the rotating shaft to rotate is fixedly arranged on the top wall of the sampling barrel; a holding rod is vertically arranged in the rotating shaft, the upper end of the holding rod extends out of the rotating shaft, and the lower end of the holding rod is fixedly connected with the filter plate; the side wall of the sampling barrel is provided with a through hole in a penetrating way along the radial direction of the sampling barrel, the through hole is communicated with the upper cavity, the detection probe is in a rod shape and is inserted into the through hole, and the detection probe can slide along the radial direction of the sampling barrel and enables the detection end of the detection probe to be positioned in the upper cavity; a connecting hole for extending the upper end of the rotating shaft is formed in the top wall of the sampling barrel, an annular sealing groove is formed in the outer side wall of the rotating shaft, a sealing ring is arranged in the sealing groove, and the outer side wall of the sealing ring is abutted against the wall of the connecting hole; the motor is arranged on one side of the rotating shaft and drives the rotating shaft to rotate through the transmission mechanism; the transmission mechanism comprises a main gear fixed on a main shaft of the motor and an auxiliary gear fixed on the rotating shaft, and the main gear is meshed with the auxiliary gear; the transmission mechanism comprises a driving wheel fixed on a main shaft of the motor and a driven wheel fixed on a rotating shaft, and the driving wheel is connected with the driven wheel through a synchronous belt; the top wall of the sampling barrel is provided with a connecting part which is convex in a cylindrical shape, the connecting part is sleeved outside the rotating shaft, the upper ends of the motor, the transmission mechanism and the rotating shaft are all positioned in the connecting part, a pressing cap is connected to the upper end of the connecting part in an external thread mode, an annular convex shoulder is arranged on the inner side wall of the pressing cap, the annular convex shoulder is sleeved outside the holding rod, and a seal is formed between the inner side wall of the annular convex shoulder and the holding rod; an annular groove is formed in the side wall of the holding rod, an O-shaped ring is arranged in the annular groove, and the peripheral surface of the O-shaped ring abuts against the inner side wall of the annular convex shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438569.4A CN108562717B (en) | 2018-05-09 | 2018-05-09 | Portable soil pollution diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438569.4A CN108562717B (en) | 2018-05-09 | 2018-05-09 | Portable soil pollution diagnostic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108562717A CN108562717A (en) | 2018-09-21 |
| CN108562717B true CN108562717B (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810438569.4A Expired - Fee Related CN108562717B (en) | 2018-05-09 | 2018-05-09 | Portable soil pollution diagnostic equipment |
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Families Citing this family (3)
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| CN110441086A (en) * | 2019-08-08 | 2019-11-12 | 河北工程大学 | A kind of selenium-rich soil detection device and its application method |
| CN113295460B (en) * | 2021-06-17 | 2022-07-22 | 温州信达交通工程试验检测有限公司 | Drill rod of core drilling machine for road detection |
| CN115615741B (en) * | 2022-12-01 | 2023-03-10 | 江苏龙环环境科技有限公司 | Adjustable soil sampling device for environmental protection detection and use method thereof |
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| CN108562717A (en) | 2018-09-21 |
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