CN112179733A

CN112179733A - Soil sampling pretreatment device for environment detection

Info

Publication number: CN112179733A
Application number: CN202011033077.0A
Authority: CN
Inventors: 刘辅林
Original assignee: Individual
Current assignee: Chuzhou Hemei Environmental Protection Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-05
Anticipated expiration: 2040-09-27
Also published as: CN112179733B

Abstract

The invention discloses a soil sampling pretreatment device for environment detection, which comprises an upper shell, wherein the upper shell is cylindrical, a first motor is arranged above the upper shell, the first motor is fixedly connected with the upper surface of the upper wall of the upper shell through two support plates, the support plates are L-shaped, the shaft of the first motor penetrates through the upper wall of the upper shell and is rotatably connected with the upper wall of the upper shell, two semicircular baffles are rotatably connected to the part, positioned in the upper shell, of the shaft of the first motor, the radius of each baffle is the same as the inner diameter of the upper shell, a fixing plate fixedly connected with the shaft of the first motor is horizontally arranged below each baffle, and a switch mechanism is arranged on the upper surface of each fixing plate. According to the invention, the sample is dried by the heating element, the sample is crushed twice, so that the crushing quality is higher, impurities such as stones are removed by the filter plate, the detection result is more accurate, dust is removed by the components such as the electrostatic adsorption net, the pollution of the dust to the air is reduced, and the device is more environment-friendly and reliable.

Description

Soil sampling pretreatment device for environment detection

Technical Field

The invention relates to the technical field of environment detection, in particular to a soil sampling pretreatment device for environment detection.

Background

As the population is rapidly increased and the industry is rapidly developed, solid wastes are continuously stacked and dumped on the surface of soil, harmful waste water continuously permeates into the soil, and harmful gas and floating dust in the atmosphere continuously fall into the soil along with rainwater, so that the soil pollution is caused. Soil pollutants can be roughly divided into two categories of inorganic pollutants and organic pollutants, wherein the inorganic pollutants mainly comprise acid, alkali, heavy metal, salt, compounds of radioactive elements cesium and strontium, compounds containing arsenic, selenium and fluorine, and the like. The organic pollutants mainly comprise organic pesticides, phenols, cyanides, petroleum, synthetic detergents, 3, 4-benzopyrene, harmful microorganisms brought by municipal sewage, sludge and animal manure, and the like. When the soil contains excessive harmful substances and exceeds the self-cleaning capacity of the soil, the composition, the structure and the function of the soil are changed, the microbial activity is inhibited, and the harmful substances or decomposition products thereof are gradually accumulated in the soil and are indirectly absorbed by the human body through the soil → plants → the human body, so that the degree of harming the health of the human body is reached.

Current soil sample preprocessing process is comparatively simple, can be unfavorable for smashing because the too high condition that leads to the adhesion of soil moisture at crushing in-process, and crushing in-process has more dust to produce, influences operating personnel health, in addition, can generally thoughtlessly have the stone and do benefit to the debris that detect among the soil sample, needs handle, consequently, in order to solve above-mentioned problem, provides a soil sample preprocessing device for environmental detection.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, a soil sample is overhigh in humidity, large in crushing dust and mixed with more stone impurities, and provides a soil sampling pretreatment device for environment detection.

In order to achieve the purpose, the invention adopts the following technical scheme:

a soil sampling pretreatment device for environment detection comprises an upper shell, wherein the upper shell is cylindrical, a first motor is arranged above the upper shell and fixedly connected with the upper surface of the upper wall of the upper shell through two support plates, the support plates are L-shaped, a shaft of the first motor penetrates through the upper wall of the upper shell and is rotatably connected with the upper wall of the upper shell, the part of the shaft of the first motor, which is positioned in the upper shell, is rotatably connected with two semicircular baffles, the radius of each baffle is the same as the inner diameter of the upper shell, a fixed plate fixedly connected with the shaft of the first motor is horizontally arranged below each baffle, the upper surface of the fixed plate is provided with a switch mechanism, the bottom surface of the fixed plate is fixedly connected with a vertically arranged crushing shaft, two sides of each crushing shaft are fixedly connected with a semi-elliptical crusher, and the inner side of each crusher is vertically provided with a plurality, the crushing device comprises a plurality of auxiliary rods, a crusher, a horizontal filter plate, an air inlet pipe, an air outlet pipe, a dust removal mechanism, a lower shell, a funnel-shaped lower shell, two crushing rollers, a lower shell and a crushing roller, wherein the auxiliary rods are arranged at equal intervals, the upper end and the lower end of each auxiliary rod are fixedly connected with the corresponding crusher at the same side, the outer side of the crusher is fixedly connected with a plurality of crushing rods which are perpendicular to the tangent line of the crusher and the joint of the crusher, the horizontal filter plate is fixedly connected to the bottom end in the upper shell, the air inlet pipe fixedly connected with the upper shell is arranged on one side above the filter plate, the air outlet pipe fixedly connected with the upper shell is arranged in the opposite direction of the air inlet pipe, the dust removal mechanism is arranged in the air outlet pipe, the bottom end of the upper shell is fixedly connected with the lower shell, the lower shell is horizontally arranged in the lower shell, the shaft positions of the two crushing rollers outside the lower shell are fixedly connected with driven gears, the two driven gears are meshed and connected, one driven gear is connected with a driving mechanism, and the bottom surface of the lower shell is fixedly connected with a plurality of vertically arranged supporting columns.

Preferably, the switch mechanism includes two electric telescopic handle that are connected with fixed surface on the fixed plate, two the equal vertical setting of electric telescopic handle, two the equal fixedly connected with first linking piece in electric telescopic handle top, two the equal fixedly connected with second of baffle bottom surface links up the piece, two the second links up the piece and rotates through the connecting rod and the first linking piece that the homonymy corresponds respectively and be connected.

Preferably, the dust removing mechanism comprises a first support fixedly connected with the inner wall of the air outlet pipe, the first support is vertically arranged, the top end of the first support is rotatably connected with a first rotating shaft, one end, far away from the upper shell, of the first rotating shaft is fixedly connected with fan blades, one end, close to the upper shell, of the first rotating shaft is fixedly connected with a driven belt pulley, the upper surface of the upper wall of the upper shell is fixedly connected with a second support, the second support is vertically arranged, the top end of the second support is rotatably connected with a second rotating shaft, one end, near to the first motor, of the second rotating shaft is fixedly connected with a driven cutting gear, the shaft of the first motor is fixedly connected with a driving cutting gear, the driving cutting gear is meshed with the driven cutting gear, one end, far away from the first motor, of the second rotating shaft is fixedly connected with a driving belt pulley, and the driving belt pulley is, the belt runs through the tuber pipe wall and sliding connection with it, the port department fixedly connected with electrostatic absorption net of last casing is kept away from to the tuber pipe.

Preferably, the air inlet pipe and the air outlet pipe are fixedly connected with isolation screen plates, the isolation screen plates in the air inlet pipe and the air outlet pipe are positioned at the innermost sides, and the two isolation screen plates are flush with the side wall of the upper shell.

Preferably, actuating mechanism include with lower casing outer wall fixed connection's bed plate, the bed plate is improved level and is set up, fixed surface is connected with the second motor on the bed plate, the axle fixedly connected with driving gear of second motor, the driving gear is connected with one of them driven gear meshing.

Preferably, the baffle top is equipped with a plurality of heating members, and is a plurality of equidistant angle setting between the heating member is a plurality of the mount has all been cup jointed in the heating member outside, and is a plurality of the mount is respectively through set screw and last shells inner wall fixed connection.

Preferably, the upper shell upper wall is provided with a feed inlet, the feed inlet is funnel-shaped, and the upper end of the feed inlet is rotatably connected with a cover plate.

Preferably, the baffle is in a horizontal state when the electric telescopic rod is in the maximum length, and the baffle inclines downwards by 45 degrees when the electric telescopic rod is in the minimum length.

Preferably, the bottom end of the lower shell is higher than the bottom end of the support column, and a vertical distance of 15-20 cm is reserved between the lower shell and the bottom end of the support column.

Compared with the prior art, the invention has the beneficial effects that:

1. through setting up the heating member, carry out the rotary heating to soil sample under the rotatory ball condition of first motor drive baffle, detach unnecessary moisture in the soil sample, drying efficiency is high, saves time, has not only improved the degree of accuracy of detection and is more convenient for subsequent shredding simultaneously, can not take place the condition of soil sample adhesion.

2. Through setting up the filter, carry out filtration treatment to the soil sample disintegrating slag once, filter debris such as the stone in the soil sample and stay on the filter plate surface, reduced debris to the influence of testing result for the testing result is more accurate.

3. Through setting up the electrostatic absorption net, drive the air inlet through the flabellum, bring the dust into the tuber pipe, recycle the electrostatic absorption net and adsorb, reduce the dust and cause the pollution to the air, guarantee operating personnel's health, the electrostatic absorption net adopts detachable treatment simultaneously, convenient cleanness.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a rear view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of the cross-sectional structure of FIG. 1 taken along the direction A-A;

FIG. 6 is a schematic view of the cross-sectional structure of FIG. 1 taken along the direction B-B;

fig. 7 is an enlarged schematic view of part C of fig. 1 according to the present invention.

In the figure: 1. an upper housing; 2. a first motor; 3. a support plate; 4. a baffle plate; 5. a fixing plate; 6. a switch mechanism; 7. a crushing shaft; 8. a pulverizer; 9. an auxiliary lever; 10. crushing the stems; 11. a filter plate; 12. an air inlet pipe; 13. an air outlet pipe; 14. a dust removal mechanism; 15. a lower housing; 16. a crushing roller; 17. a driven gear; 18. a drive mechanism; 19. a support pillar; 20. an electric telescopic rod; 21. a first engagement block; 22. a second engagement block; 23. a connecting rod; 24. a first bracket; 25. a first rotating shaft; 26. a fan blade; 27. a driven pulley; 28. a second bracket; 29. a second rotating shaft; 30. a driven cutoff gear; 31. a driving cutting gear; 32. a drive pulley; 33. a belt; 34. an electrostatic adsorption net; 35. isolating the screen plate; 36. a base plate; 37. a second motor; 38. a driving gear; 39. a heating member; 40. a fixed mount; 41. fixing screws; 42. a feed inlet; 43. and (7) a cover plate.

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. 1-7, the present invention provides a technical solution:

embodiment one, as shown in fig. 1-7, a soil sampling pretreatment device for environmental detection comprises an upper casing 1, the upper casing 1 is cylindrical, a first motor 2 is disposed above the upper casing 1, the first motor 2 is fixedly connected with the upper surface of the upper wall of the upper casing 1 through two support plates 3, the support plates 3 are L-shaped, the shaft of the first motor 2 penetrates through the upper wall of the upper casing 1 and is rotatably connected with the upper wall, the shaft of the first motor 2 is rotatably connected with two semicircular baffles 4 inside the upper casing 1, the radius of the baffles 4 is the same as the inner diameter of the upper casing 1, a fixing plate 5 fixedly connected with the shaft of the first motor 2 is horizontally disposed below the baffles 4, a switch mechanism 6 is disposed on the upper surface of the fixing plate 5, a vertically disposed crushing shaft 7 is fixedly connected to the bottom surface of the fixing plate 5, semi-elliptical crushers 8 are fixedly connected to both sides of the crushing shaft 7, a plurality of auxiliary rods 9 are vertically disposed inside the, a plurality of auxiliary rods 9 are arranged at equal intervals, the upper and lower ends of the auxiliary rods 9 are fixedly connected with pulverizers 8 corresponding to the same side, a plurality of pulverizing rods 10 are fixedly connected to the outer side of the pulverizers 8, the pulverizing rods 10 are all vertical to the pulverizers 8 and the tangent line of the connection part of the pulverizers 8, a horizontally arranged filter plate 11 is fixedly connected to the inner bottom end of the upper shell 1, an air inlet pipe 12 fixedly connected with the upper shell 1 is arranged on one side above the filter plate 11, an air outlet pipe 13 fixedly connected with the upper shell 1 is arranged in the direction opposite to the air inlet pipe 12, a dust removal mechanism 14 is arranged in the air outlet pipe 13, a lower shell 15 is fixedly connected to the bottom end of the upper shell 1, the lower shell 15 is funnel-shaped, two pulverizing rollers 16 are horizontally arranged in the lower shell 15, the two pulverizing rollers 16 are in abutting contact with the inner wall of the lower shell 15, and the, the axle of two crushing rollers 16 is located 15 outer equal fixedly connected with driven gear 17 of part down of casing, two driven gear 17 meshing connections, one of them driven gear 17 is connected with actuating mechanism 18, support column 19 of many vertical settings of casing 15 bottom surface fixedly connected with down, it is equipped with feed inlet 42 to go up the casing 1 upper wall, feed inlet 42 is for leaking hopper-shaped, feed inlet 42 upper end is rotated and is connected with apron 43, the existence of filter 11 makes the soil sample through filtering after once smashing, the soil sample disintegrating slag passes through filter 11 and enters into casing 15 down, and impurity such as big soil slag and stone has then stayed on filter 11, the filtering has mostly been unfavorable for the material of sample detection, make the sample detection more accurate, filter 11 adopts the removable treatment simultaneously, make things convenient for the clearance of filter 11 and filter 11 upper surface debris.

In the second embodiment, as shown in fig. 1 and 5, the switch mechanism 6 includes two electric telescopic rods 20 fixedly connected to the upper surface of the fixing plate 5, the two electric telescopic rods 20 are all vertically disposed, the first joining block 21 is fixedly connected to the top ends of the two electric telescopic rods 20, the second joining block 22 is fixedly connected to the bottom surfaces of the two baffle plates 4, the two second joining blocks 22 are respectively rotatably connected to the first joining block 21 corresponding to the same side through a connecting rod 23, the baffle plates 4 are arranged to accept the soil sample, the soil sample is conveniently subjected to rotary drying treatment, the baffle plates 4 are designed to be rotatably opened, and subsequent crushing processes are conveniently performed.

In the third embodiment, as shown in fig. 1-4, the dust removing mechanism 14 includes a first bracket 24 fixedly connected to the inner wall of the air outlet pipe 13, the first bracket 24 is vertically disposed, a first rotating shaft 25 is rotatably connected to the top end of the first bracket 24, a fan blade 26 is fixedly connected to the end of the first rotating shaft 25 far from the upper casing 1, a driven pulley 27 is fixedly connected to the end of the first rotating shaft 25 near the upper casing 1, a second bracket 28 is fixedly connected to the upper surface of the upper wall of the upper casing 1, the second bracket 28 is vertically disposed, a second rotating shaft 29 is rotatably connected to the top end of the second bracket 28, a driven section gear 30 is fixedly connected to the end of the second rotating shaft 29 near the first motor 2, a driving section gear 31 is fixedly connected to the shaft of the first motor 2, the driving section gear 31 is engaged with the driven section gear 30, and a driving pulley 32 is fixedly connected to the end of the second, the driving belt pulley 32 is in transmission connection with the driven belt pulley 27 through a belt 33, the belt 33 penetrates through the pipe wall of the air outlet pipe 13 and is in sliding connection with the pipe wall, an electrostatic adsorption net 34 is fixedly connected to the port of the air outlet pipe 13 far away from the upper shell 1, the fan blades 26 rotate to drive air to flow, dust in the crushing process is brought into the air outlet pipe 13, the electrostatic adsorption net 34 is used for adsorption treatment, and the purpose of dust removal is achieved.

In the fourth embodiment, as shown in fig. 1, the air inlet pipe 12 and the air outlet pipe 13 are both fixedly connected with the isolation screen plate 35, the air inlet pipe 12 and the isolation screen plate 35 in the air outlet pipe 13 are both located at the innermost side, both the isolation screen plates 35 are flush with the side wall of the upper casing 1, the isolation screen plate 35 only allows fine dust to pass through but not soil sample debris, and the device in the air outlet pipe 13 is protected while preventing the soil sample debris from flying out of the device.

In a fifth embodiment, as shown in fig. 1-3 and 6, the driving mechanism 18 includes a base plate 36 fixedly connected to the outer wall of the lower housing 15, the base plate 36 is horizontally disposed, a second motor 37 is fixedly connected to the upper surface of the base plate 36, a driving gear 38 is fixedly connected to a shaft of the second motor 37, the driving gear 38 is engaged with one of the driven gears 17, the second motor 37 is disposed to drive the crushing roller 16 to operate, and the soil sample is crushed for a second time, so that the crushing quality of the soil sample is higher, and the sample detection is more facilitated.

Sixth embodiment, as shown in fig. 1, 7, baffle 4 top is equipped with a plurality of heating members 39, equidistant angle setting between a plurality of heating members 39, mount 40 has all been cup jointed in a plurality of heating members 39 outside, a plurality of mounts 40 are respectively through fixed screw 41 and last 1 inner wall fixed connection of casing, heat the soil sample through setting up heating member 39 and dry, detach unnecessary moisture, not only make sample testing result more accurate, also make soil sample's crushing more smooth simultaneously, the condition of soil adhesion on reducing mechanism can not take place, realize the rotary heating through first motor 2 simultaneously, not only make soil sample dry more evenly, also make drying efficiency higher.

Seventh embodiment, as shown in fig. 1, baffle 4 is in the horizontality when electric telescopic handle 20 is at the maximum length, baffle 4 downward sloping 45 degrees when electric telescopic handle 20 is at minimum length, electric telescopic handle 20 controls the switch of baffle 4, electric telescopic handle 20 is equipped with built-in power supply and adopts remote control technique to control, need rotating because of baffle 4, if electric telescopic handle 20 adopts traditional wiring power supply control mode can lead to the electric wire to be broken around, can't realize device function, the realization of device function has not only been guaranteed to use built-in power supply and remote control, make the control of device more convenient simple simultaneously.

In the eighth embodiment, as shown in fig. 1-3, the bottom end of the lower casing 15 is higher than the bottom end of the supporting column 19, and a vertical distance of 15-20 cm is left between the lower casing 15 and the bottom end of the supporting column 19, so that the bottom end of the lower casing 15 is ensured not to touch the ground, and enough space is reserved for the receiving container.

The working principle is as follows: the power supply of the device is switched on, the cover plate 43 is opened, a soil sample is put into the device through the feed inlet 42, the baffle 4 is in a horizontal closed state in the initial state, the soil sample falls on the baffle 4 after entering the device, the first motor 2 and the heating element 39 are started, the first motor 2 drives the two baffles 4 to rotate, the soil sample is subjected to rotary heating through the heating element 39 to remove redundant moisture in the soil sample, the heating element 39 is closed after the water is removed, the second motor 37 is started to control the electric telescopic rod 20 to shrink, the electric telescopic rod 20 drives the baffle 4 to rotate through the first connecting block 21, the second connecting block 22 and the connecting rod 23, the soil sample falls on the filter plate 11, the crushing shaft 7, the crusher 8, the auxiliary rod 9 and the crushing rod 10 are driven by the first motor 2 to rotate to crush the soil sample, meanwhile, the first motor 2 drives the driving cutting gear 31 to rotate, the driving cutting gear 31 drives the driven cutting gear 30 to rotate, the driven cutting gear 30 drives the coaxial driving belt pulley 32 to rotate, the driving belt pulley 32 drives the driven belt pulley 27 to rotate through the belt 33, and further drives the fan blades 26 to rotate, so that the device is ventilated, air enters from the air inlet pipe 12 and blows out from the air outlet pipe 13, dust generated in the soil sample crushing process is brought into the air outlet pipe 13 and is adsorbed by the electrostatic adsorption net 34, the dust removal purpose is achieved, after the soil sample is crushed through the crushing shaft 7, the crusher 8, the auxiliary rod 9 and the crushing rod 10, the crushed soil sample slag enters the lower shell 15 through the filter plate 11, larger soil blocks and stones are left on the filter plate 11, the impurity removal purpose is completed, the second motor 37 drives the driving gear 38 to rotate, the driving gear 38 drives the two driven gears 17 to rotate, and further drives the two crushing rollers 16 to rotate, and (3) performing secondary crushing on the soil sample crushed slag to enable the soil sample to reach a set standard, obtaining a soil sample material after the pretreatment is finished, turning off the first motor 2 and the second motor 37 after the pretreatment is finished, and cutting off the power supply of the device.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A soil sampling preprocessing device for environmental detection, includes casing (1), its characterized in that: the upper shell (1) is cylindrical, a first motor (2) is arranged above the upper shell (1), the first motor (2) is fixedly connected with the upper surface of the upper wall of the upper shell (1) through two support plates (3), the support plates (3) are L-shaped, the shaft of the first motor (2) penetrates through the upper wall of the upper shell (1) and is rotatably connected with the upper wall, the inner part of the shaft of the first motor (2) positioned in the upper shell (1) is rotatably connected with two semicircular baffles (4), the radius of each baffle (4) is the same as the inner diameter of the upper shell (1), a fixing plate (5) fixedly connected with the shaft of the first motor (2) is horizontally arranged below the baffle (4), a switch mechanism (6) is arranged on the upper surface of the fixing plate (5), a vertically arranged crushing shaft (7) is fixedly connected to the bottom surface of the fixing plate (5), and semi-elliptical crushers (8) are fixedly connected to two sides of the crushing shaft (7), a plurality of auxiliary rods (9) are vertically arranged on the inner side of the pulverizer (8), the auxiliary rods (9) are arranged at equal intervals, the upper end and the lower end of each auxiliary rod (9) are fixedly connected with the pulverizer (8) corresponding to the same side, a plurality of pulverizing rods (10) are fixedly connected to the outer side of the pulverizer (8), the pulverizing rods (10) are perpendicular to the tangent line of the pulverizer (8) and the joint of the pulverizer (8), a horizontally arranged filter plate (11) is fixedly connected to the inner bottom end of the upper shell (1), an air inlet pipe (12) fixedly connected with the upper shell (1) is arranged on one side above the filter plate (11), an air outlet pipe (13) fixedly connected with the upper shell (1) is arranged in the direction of the air inlet pipe (12), a dust removing mechanism (14) is arranged in the air outlet pipe (13), and a lower shell (15) is fixedly connected to the bottom end of the upper shell (1), lower casing (15) are for leaking hopper-shaped, the level is provided with two crushing rollers (16) in lower casing (15), two the counterbalance contact between crushing roller (16), two crushing roller (16) all with lower casing (15) inner wall counterbalance contact, two the axle of crushing roller (16) all runs through lower casing (15) and is connected with it rotation, two the axle of crushing roller (16) is located casing (15) outer part equal fixedly connected with driven gear (17) down, two driven gear (17) meshing is connected, one of them driven gear (17) are connected with actuating mechanism (18), support column (19) of many vertical settings of lower casing (15) bottom surface fixedly connected with.

2. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: switch mechanism (6) include two electric telescopic handle (20) with fixed surface connection on fixed plate (5), two electric telescopic handle (20) equal vertical setting, two electric telescopic handle (20) top equal fixedly connected with first link up piece (21), two baffle (4) bottom surface equal fixedly connected with second link up piece (22), two the second links up piece (22) and rotates through connecting rod (23) and first link up piece (21) that the homonymy corresponds respectively and is connected.

3. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: the dust removal mechanism (14) comprises a first support (24) fixedly connected with the inner wall of the air outlet pipe (13), the first support (24) is vertically arranged, the top end of the first support (24) is rotatably connected with a first rotating shaft (25), one end of the first rotating shaft (25) far away from the upper shell (1) is fixedly connected with a fan blade (26), one end of the first rotating shaft (25) close to the upper shell (1) is fixedly connected with a driven belt pulley (27), the upper surface of the upper wall of the upper shell (1) is fixedly connected with a second support (28), the second support (28) is vertically arranged, the top end of the second support (28) is rotatably connected with a second rotating shaft (29), one end of the second rotating shaft (29) close to the first motor (2) is fixedly connected with a driven cutting gear (30), and the shaft of the first motor (2) is fixedly connected with a driving cutting gear (31), the initiative is cut gear (31) and is connected with driven gear (30) meshing of cutting, the one end fixedly connected with driving pulley (32) of first motor (2) are kept away from in second pivot (29), driving pulley (32) are connected with driven pulley (27) transmission through belt (33), belt (33) run through out tuber pipe (13) pipe wall and sliding connection with it, the port department fixedly connected with electrostatic absorption net (34) of casing (1) are kept away from in play tuber pipe (13).

4. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: the utility model discloses a fan, including air-out pipe (13), air-supply line (12) and air-out pipe (13) equal fixedly connected with keep apart otter board (35), air-supply line (12) and air-out pipe (13) interior keep apart otter board (35) all are in the most inboard, two keep apart otter board (35) and last casing (1) lateral wall parallel and level.

5. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: actuating mechanism (18) include with lower casing (15) outer wall fixed connection's bed plate (36), the setting of going up the level of bed plate (36), fixed surface is connected with second motor (37) on bed plate (36), the axle fixedly connected with driving gear (38) of second motor (37), driving gear (38) are connected with one of them driven gear (17) meshing.

6. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: baffle (4) top is equipped with a plurality of heating members (39), and is a plurality of equidistant angle setting between heating member (39) is a plurality of mount (40), a plurality of all having cup jointed in heating member (39) outside mount (40) are respectively through set screw (41) and last casing (1) inner wall fixed connection.

7. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: go up casing (1) upper wall and be equipped with feed inlet (42), feed inlet (42) are for leaking hopper-shaped, feed inlet (42) upper end is rotated and is connected with apron (43).

8. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: when the electric telescopic rod (20) is in the maximum length, the baffle (4) is in a horizontal state, and when the electric telescopic rod (20) is in the minimum length, the baffle (4) inclines downwards by 45 degrees.

9. The soil sampling pretreatment device for environmental detection according to claim 1, characterized in that: the bottom end of the lower shell (15) is higher than the bottom end of the supporting column (19), and a vertical distance of 15-20 cm is reserved between the lower shell (15) and the bottom end of the supporting column (19).