A soil sample collection device for environmental monitoring

Abstract

This utility model discloses a soil sample collection device for environmental monitoring, belonging to the technical field of collection devices. It includes a collection frame for collecting soil, with a sieving mechanism beside the collection frame. The sieving mechanism includes a sieving box above the collection frame, an inlet pipe on the sieving box, a sieving plate inside the sieving box, and a cylinder for driving the sieving plate to slide. The bottom of the sieving box has an outlet, and the collection frame is located below the outlet. An installation groove is provided inside the sieving box, communicating with the outlet. The inlet pipe is also connected to the installation groove. The cylinder is located inside the sieving box, and a sliding plate is provided on the sieving plate, fixed to the output shaft of the cylinder. The sieving plate is slidably positioned within the installation groove, below the inlet pipe. This application has the effect of saving manpower and improving the efficiency of soil sample collection.

Description

Technical Field

[0001] This utility model relates to the field of collection device technology, and in particular to a soil sample collection device for environmental monitoring. Background Technology

[0002] Soil environmental monitoring refers to an important measure to understand the status of soil environmental quality, with the aim of preventing and controlling the harm of soil pollution, and involves the dynamic analysis and measurement of the degree and development trend of soil pollution.

[0003] Existing soil environmental monitoring technologies typically require first identifying the target area, then using a specialized sampler to collect the soil from that area. After removing other stones and debris from the soil, the soil is placed in a collection box and collected, and then tested using specialized equipment to ultimately confirm the soil's health status.

[0004] In the process of removing other stones and debris from the soil, staff manually searched for stones and debris in the sampled soil and then removed them. This process required a lot of manpower and resources, thus reducing the efficiency of soil sample collection.

[0005] In response to the aforementioned technologies, there is an urgent need to design and develop a soil sample collection device for environmental monitoring to save manpower and improve soil sample collection efficiency. Utility Model Content

[0006] To save manpower and improve the efficiency of soil sample collection, this application provides a soil sample collection device for environmental monitoring.

[0007] The soil sample collection device for environmental monitoring provided in this application adopts the following technical solution:

[0008] An environmental monitoring soil sample collection device includes a collection frame for collecting soil, a sieving mechanism disposed next to the collection frame, the sieving mechanism including a sieving box disposed above the collection frame, an inlet pipe disposed on the sieving box, a sieving plate disposed inside the sieving box, and a cylinder for driving the sieving plate to slide. The bottom surface of the sieving box has an outlet, the collection frame is located below the outlet, the sieving box has an installation groove connected to the outlet, the inlet pipe is connected to the installation groove, the cylinder is disposed inside the sieving box, a sliding plate is disposed on the sieving plate, the sliding plate is fixed to the output shaft of the cylinder, the sieving plate is slidably disposed in the installation groove, and the sieving plate is located below the inlet pipe.

[0009] By adopting the above technical solution, the sieving box is set above the collection frame, and the bottom surface of the sieving box has a discharge port. The collection frame is located below the discharge port. An installation groove is set inside the sieving box and is connected to the discharge port. An inlet pipe is set on the sieving box and is connected to the installation groove. A cylinder is set inside the sieving box, and a sliding plate is set on the sieving plate. The sliding plate is fixed on the output shaft of the cylinder. The sieving plate is slidably set in the installation groove and is located below the inlet pipe. During the process of collecting soil samples, the soil sample is put into the sieving plate inside the sieving box from the inlet pipe. The cylinder drives the sliding plate to move back and forth, and the sliding plate drives the sieving plate to move back and forth, so that the sieving plate sieves the soil sample. Larger stones and waste debris are sieved out by the sieving plate, and fine soil passes through the screen and slides into the collection frame from the discharge port, which facilitates the collection of soil samples.

[0010] Preferably, a material receiving hole is provided on the side of the sieve box, and a protective plate is hinged to the side of the sieve box. The protective plate is rotatably disposed in the material receiving hole. The sieve mechanism includes a receiving frame for collecting stones and waste debris. The receiving frame is close to the protective plate and is disposed on the top surface of the sieve plate. The material passing hole on the sieve plate is connected to the material passing hole on the receiving frame. The diameter of the material passing hole on the sieve plate is larger than the diameter of the material passing hole on the receiving frame.

[0011] By adopting the above technical solution, a material receiving hole is opened on the side of the sieve box, and a protective plate is hinged to the side of the sieve box. The protective plate is rotatably set in the material receiving hole, and the receiving frame is set on the top surface of the sieve plate. The receiving frame is close to the protective plate. The material passing holes on the sieve plate are connected to the material passing holes on the receiving frame. The diameter of the material passing holes on the sieve plate is larger than the diameter of the material passing holes on the receiving frame. During the collection of soil samples, the soil sample is put into the receiving frame in the sieve box from the inlet pipe. The driving cylinder drives the sliding plate to move back and forth. The sliding plate drives the sieve plate and the receiving frame to move back and forth, so that the sieve plate and the receiving frame sieve the soil sample. Larger stones and waste are screened out by the receiving frame and stored in the receiving frame. Fine soil passes through the screen and slides into the collection frame from the outlet. When it is necessary to collect larger stones and waste, the protective plate is opened and the receiving frame is taken out from the sieve box to facilitate the collection of larger stones and waste.

[0012] Preferably, a placement groove is formed on the top surface of the sieve plate, and the sieve mechanism includes an abutment strip disposed on the top surface of the sieve plate, an installation column disposed in the placement groove, an abutment plate that can abut against the side of the receiving frame, and a screw that can be threaded into the receiving frame. The installation column is disposed in the sieve plate, the abutment plate is rotatably sleeved on the installation column, the abutment plate is disposed in the placement groove, the screw is threaded onto the abutment plate, one side of the receiving frame abuts against the abutment strip, and the other side of the receiving frame abuts against the abutment plate.

[0013] By adopting the above technical solution, a placement groove is opened on the top surface of the sieve plate, the mounting column is set in the placement groove, the mounting column is set inside the sieve plate, the abutment plate is rotatably sleeved on the mounting column, the abutment plate is set in the placement groove, the screw is threaded on the abutment plate, one side of the receiving frame abuts against the abutment strip, and the other side of the receiving frame abuts against the abutment plate, which improves the connection stability between the receiving frame and the sieve plate. When it is necessary to remove the receiving frame, the screw is rotated to disengage the screw from the receiving frame, and the abutment plate is rotated to move the abutment plate away from the receiving frame, making it easy to remove the receiving frame.

[0014] Preferably, the screening box is equipped with a crushing mechanism, which includes a mixing box connected to the feed pipe, a mounting base disposed in the mixing box, a double-headed motor disposed in the mounting base, and a mixing blade for crushing the soil. The mounting base is provided with a connecting column, which is connected to the mixing box. The mixing blade is disposed on the output shaft at one end of the double-headed motor. The mixing box is provided with a feed inlet, and the mixing blade is close to the feed inlet.

[0015] By adopting the above technical solution, a feed inlet is provided on the mixing tank, and the mixing tank is connected to the feed pipe. The mounting base is set inside the mixing tank, and a connecting column is provided on the mounting base. The connecting column is connected to the mixing tank. A dual-head motor is set inside the mounting base, and the stirring blade is set on the output shaft of one end of the dual-head motor. The stirring blade is close to the feed inlet. During the process of workers screening soil samples, the soil samples are poured into the mixing tank through the feed inlet, driving the dual-head motor to drive the stirring blade to rotate, which can break up large pieces of soil and facilitate screening.

[0016] Preferably, the crushing mechanism includes a stirring rod disposed below the mounting base and a stirring block for stirring the soil. The stirring rod is disposed on the output shaft at the other end of the dual-head motor, the stirring rod is close to the feed pipe, and the stirring block is disposed on the stirring rod.

[0017] By adopting the above technical solution, the stirring rod is set on the output shaft of the other end of the dual-head motor. The stirring rod is located below the mounting base and close to the feed pipe. The stirring block is set on the stirring rod. During the process of the soil sample flowing from the mixing box to the sieve box through the feed pipe, the dual-head motor drives the stirring rod to rotate, and the stirring rod drives the stirring block to rotate, further improving the crushing effect on the soil sample.

[0018] Preferably, the mixing tank is threadedly connected to a top cover, and the top cover is provided with a feeding hopper, which is connected to the mixing tank. A rotating shaft is connected to the output shaft at one end of the dual-head motor. A sliding groove is provided on the side of the rotating shaft, and the sliding groove is connected to the top surface of the rotating shaft. A sliding block is provided on the mixing blade, and the sliding block is vertically slidably disposed in the sliding groove.

[0019] By adopting the above technical solution, the mixing tank is threadedly connected to a top cover, and a feeding hopper is provided on the top cover. The feeding hopper is connected to the mixing tank. A rotating shaft is connected to the output shaft at one end of the dual-head motor. A sliding groove is opened on the side of the rotating shaft, and the sliding groove is connected to the top surface of the rotating shaft. A sliding block is provided on the mixing blade. The sliding block is vertically slidably set in the sliding groove. When it is necessary to replace the mixing blade, the top cover is opened, the sliding block is slid to drive the mixing blade away from the rotating shaft, and the mixing blade is taken out from the mixing tank for easy replacement of the mixing blade.

[0020] Preferably, a limiting groove is formed on the side wall of the sliding groove, the limiting groove is connected to the top surface of the rotating shaft, and a limiting block is provided on the side wall of the sliding block, the limiting block being vertically slidably disposed in the limiting groove.

[0021] By adopting the above technical solution, a limiting groove is opened on the side wall of the sliding groove, and the limiting groove is connected to the top surface of the rotating shaft. A limiting block is set on the side wall of the sliding block, and the limiting block is vertically slidably set in the limiting groove. The limiting block prevents the possibility of the stirring blade detaching from the rotating shaft during the process of the dual-head motor driving the rotating shaft to rotate, thereby improving the stability of the stirring blade during the rotation process.

[0022] Preferably, a through hole is provided on the side of the mixing tank, and a second protective plate is hinged to the side of the mixing tank, the second protective plate being rotatably disposed within the through hole.

[0023] By adopting the above technical solution, a through hole is opened on the side of the mixing box, and a second protective plate is hinged on the side of the mixing box. The second protective plate is rotatably installed in the through hole. When it is necessary to check whether there are foreign objects stuck on the mixing rod and the connecting column, the second protective plate is rotated to facilitate observation through the through hole.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. A sieving box is positioned above the collection frame. A discharge port is located on the bottom of the sieving box, and the collection frame is below the discharge port. An installation groove is located inside the sieving box and connects to the discharge port. An inlet pipe is installed on the sieving box and connects to the installation groove. A cylinder is located inside the sieving box. A sliding plate is installed on the sieving plate and fixed to the output shaft of the cylinder. The sieving plate is slidably positioned in the installation groove, below the inlet pipe. During soil sample collection, the soil sample is placed from the inlet pipe onto the sieving plate inside the sieving box. The cylinder drives the sliding plate to reciprocate, which in turn drives the sieving plate to reciprocate, allowing the sieving plate to sieve the soil sample. Larger stones and debris are sieved out, while fine soil particles slide through the sieve and into the collection frame from the discharge port, facilitating soil sample collection and saving manpower.

[0026] 2. A material receiving hole is provided on the side of the sieve box. A protective plate is hinged to the side of the sieve box and is rotatably mounted in the material receiving hole. A receiving frame is set on the top surface of the sieve plate, close to the protective plate. The material passing holes on the sieve plate are connected to the material passing holes on the receiving frame. The diameter of the material passing holes on the sieve plate is larger than the diameter of the material passing holes on the receiving frame. During the collection of soil samples, the soil sample is placed into the receiving frame inside the sieve box from the inlet pipe. The drive cylinder drives the sliding plate to reciprocate. The sliding plate moves the sieve plate and the receiving frame back and forth, so that the sieve plate and the receiving frame sieve the soil sample. Larger stones and waste are sieved out by the receiving frame and stored in the receiving frame. Fine soil passes through the screen and slides into the collection frame from the discharge port. When it is necessary to collect larger stones and waste, the protective plate is opened and the receiving frame is taken out from the sieve box, which makes it easier to collect larger stones and waste, thereby improving the sieving effect of the soil sample.

[0027] 3. The mixing tank is equipped with a feed inlet, which is connected to the feed pipe. The mounting base is located inside the mixing tank, and a connecting column is installed on the mounting base. The connecting column is connected to the mixing tank. The dual-head motor is located inside the mounting base, and the mixing blades are located on the output shaft of one end of the dual-head motor. The mixing blades are close to the feed inlet. During the process of screening soil samples, the soil samples are poured into the mixing tank through the feed inlet, which drives the dual-head motor to rotate the mixing blades. This can break up large pieces of soil for easy screening. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of a soil sample collection device for environmental monitoring according to an embodiment of this application.

[0029] Figure 2 This is a cross-sectional view of the sieving box in an embodiment of this application.

[0030] Figure 3 yes Figure 2 A magnified view of a portion of point A in the middle.

[0031] Figure 4 This is a cross-sectional view of the mixing tank in an embodiment of this application.

[0032] Figure 5 yes Figure 4 A magnified view of a section at point B.

[0033] Explanation of reference numerals in the attached figures:

[0034] 1. Base plate; 2. Collection frame; 3. Screening mechanism; 31. Screening box; 311. Discharge port; 312. Mounting groove; 313. Material receiving hole; 314. Protective plate one; 32. Feed pipe; 33. Screening plate; 331. Sliding plate; 332. Placement groove; 34. Cylinder; 35. Receiving frame; 36. Abutment strip; 37. Mounting column; 38. Abutment plate; 39. Screw; 4. Crushing mechanism; 41. Mixing box; 411. Through hole; 412. Protective plate two; 42. Mounting base; 43. Double-headed motor; 431. Rotating shaft; 44. Mixing blade; 441. Sliding block; 442. Limiting block; 45. Mixing rod; 46. Mixing block; 47. Connecting column; 48. Sliding groove; 49. Limiting groove; 5. Top cover; 6. Feed hopper. Detailed Implementation

[0035] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0036] This application discloses a soil sample collection device for environmental monitoring, referring to... Figure 1 As shown, a soil sample collection device for environmental monitoring includes a base plate 1, a collection frame 2, a sieving mechanism 3, and a crushing mechanism 4. The base plate 1 is horizontally arranged, with its length parallel to the ground. The collection frame 2 is horizontally arranged on the top surface of the base plate 1.

[0037] Reference Figure 1 , Figure 2 and Figure 3 As shown, the sieving mechanism 3 includes a sieving box 31, a feed pipe 32, a sieving plate 33, a cylinder 34, a receiving frame 35, abutment strip 36, a mounting column 37, abutment plate 38, and screws 39. The sieving box 31 is horizontally set on the base plate 1, and the bottom surface of the sieving box 31 is provided with a discharge port 311. The collecting frame 2 is located below the discharge port 311.

[0038] Reference Figure 1 , Figure 2 and Figure 3As shown, a mounting groove 312 is provided inside the sieve box 31, which is connected to the discharge port 311. The feed pipe 32 is set on the sieve box 31 and is connected to the mounting groove 312. The cylinder 34 is set inside the sieve box 31. A sliding plate 331 is provided on the sieve plate 33. The sliding plate 331 is fixed on the output shaft of the cylinder 34. The sieve plate 33 is slidably set in the mounting groove 312. The sieve plate 33 is located below the feed pipe 32. The length direction of the sieve plate 33 is the same as the length direction of the bottom plate 1.

[0039] Reference Figure 1 and Figure 2 As shown, a material taking hole 313 is provided on the side of the sieve box 31, and a protective plate 314 is hinged to the side of the sieve box 31. The protective plate 314 is rotatably disposed in the material taking hole 313. The receiving frame 35 is close to the protective plate 314 and is disposed on the top surface of the sieve plate 33. The length direction of the receiving frame 35 is the same as the length direction of the bottom plate 1. The material passing hole on the sieve plate 33 is connected to the material passing hole on the receiving frame 35. The diameter of the material passing hole on the sieve plate 33 is larger than the diameter of the material passing hole on the receiving frame 35.

[0040] Reference Figure 2 and Figure 3 As shown, a placement groove 332 is provided on the top surface of the sieve plate 33, the mounting column 37 is set in the placement groove 332, the mounting column 37 is set in the sieve plate 33, the abutment plate 38 is rotatably sleeved on the mounting column 37, the abutment plate 38 is set in the placement groove 332, and the screw 39 is threadedly sleeved on the abutment plate 38.

[0041] Reference Figure 2 and Figure 3 As shown, one side of the receiving frame 35 abuts against the abutment strip 36, and the other side of the receiving frame 35 abuts against the abutment plate 38, which improves the connection stability between the receiving frame 35 and the sieve plate 33. When it is necessary to remove the receiving frame 35, rotate the screw 39 to disengage the screw 39 from the receiving frame 35, and rotate the abutment plate 38 to move the abutment plate 38 away from the receiving frame 35, making it easier to remove the receiving frame 35.

[0042] Reference Figure 2 and Figure 3As shown, during the soil sample collection process, the soil sample is placed from the feed pipe 32 into the receiving frame 35 inside the sieve box 31. The driving cylinder 34 drives the sliding plate 331 to move back and forth. The sliding plate 331 drives the sieve plate 33 and the receiving frame 35 to move back and forth, so that the sieve plate 33 and the receiving frame 35 sieve the soil sample. Larger stones and waste are sieved out by the receiving frame 35 and stored in the receiving frame 35. Fine soil passes through the screen and slides into the collection frame 2 from the discharge port 311. When it is necessary to collect larger stones and waste, the protective plate 314 is opened and the receiving frame 35 is taken out from the sieve box 31 to facilitate the collection of larger stones and waste.

[0043] Reference Figure 1 and Figure 4 As shown, the crushing mechanism 4 includes a mixing box 41, a mounting base 42, a double-headed motor 43, a mixing blade 44, a mixing rod 45, and a mixing block 46. A top cover 5 is threaded onto the mixing box 41, and a feed hopper 6 is provided on the top cover 5. The feed hopper 6 is connected to the mixing box 41. A feed inlet is provided on the mixing box 41, and the mixing box 41 is connected to the feed pipe 32. The axis of the mixing box 41 coincides with the axis of the feed pipe 32.

[0044] Reference Figure 4 As shown, the mounting base 42 is disposed inside the mixing tank 41. The axis of the mounting base 42 coincides with the axis of the mixing tank 41. The mounting base 42 is provided with connecting columns 47. There are 4 connecting columns 47, which are evenly distributed at equal distances along the circumference of the mounting base 42. The connecting columns 47 are connected to the mixing tank 41.

[0045] Reference Figure 4 and Figure 5 As shown, a rotating shaft 431 is connected to the output shaft of one end of the dual-head motor 43. The axis of the rotating shaft 431 coincides with the axis of the mounting base 42. A sliding groove 48 is provided on the side of the rotating shaft 431. There are four sliding grooves 48, which are evenly distributed at equal distances along the circumference of the rotating shaft 431.

[0046] Reference Figure 4 and Figure 5 As shown, the sliding groove 48 is connected to the top surface of the rotating shaft 431. There are four stirring blades 44, and each stirring blade 44 corresponds to one of the sliding grooves 48. A sliding block 441 is provided on the stirring blade 44. The sliding block 441 is vertically slidably disposed in the sliding groove 48. The stirring blade 44 is close to the feed inlet. During the process of workers screening soil samples, the soil samples are poured into the mixing tank 41 through the feed inlet. The double-headed motor 43 drives the stirring blade 44 to rotate, which can crush large pieces of soil and facilitate screening.

[0047] Reference Figure 4 and Figure 5 As shown, a limiting groove 49 is provided on the side wall of the sliding groove 48. The limiting groove 49 is connected to the top surface of the rotating shaft 431. A limiting block 442 is provided on the side wall of the sliding block 441. The limiting block 442 is vertically slidably disposed in the limiting groove 49. The limiting block 442 prevents the stirring blade from detaching from the rotating shaft 431 during the process of the dual-head motor 43 driving the rotating shaft 431 to rotate, thereby improving the stability of the stirring blade during rotation.

[0048] Reference Figure 1 , Figure 4 and Figure 5 As shown, when it is necessary to replace the stirring blade 44, open the top cover 5, slide the sliding block 441 to drive the stirring blade 44 away from the rotating shaft 431, and take the stirring blade 44 out of the mixing box 41 for easy replacement of the stirring blade 44.

[0049] Reference Figure 4 As shown, there are four stirring rods 45. The stirring rods 45 are set on the output shaft of the other end of the double-head motor 43. The four stirring rods 45 are evenly distributed at equal distances along the circumference of the output shaft of the other end of the double-head motor 43. The stirring rods 45 are set below the mounting base 42 and close to the feed pipe 32. The stirring block 46 is set on the stirring rods 45.

[0050] Reference Figure 4 As shown, during the process of the soil sample flowing from the mixing tank 41 to the sieve box 31 via the feed pipe 32, the dual-head motor 43 drives the mixing rod 45 to rotate, and the mixing rod 45 drives the mixing block 46 to rotate, further improving the crushing effect on the soil sample.

[0051] Reference Figure 4 As shown, a through hole 411 is provided on the side of the mixing tank 41, and a second protective plate 412 is hinged to the side of the mixing tank 41. The second protective plate 412 is rotatably disposed in the through hole 411. When it is necessary to check whether there are any foreign objects stuck on the mixing rod 45 and the connecting column 47, the second protective plate 412 is rotated to facilitate observation from the through hole 411.

[0052] The implementation principle of a soil sample collection device for environmental monitoring according to an embodiment of this application is as follows:

[0053] During the soil sample collection process, the soil sample is placed from the feed pipe 32 onto the sieve plate 33 in the sieve box 31. The drive cylinder 34 drives the sliding plate 331 to move back and forth, and the sliding plate 331 drives the sieve plate 33 to move back and forth, so that the sieve plate 33 sieves the soil sample. Larger stones and waste debris are sieved out by the sieve plate 33, and fine soil passes through the screen and slides into the collection frame 2 from the discharge port 311, which facilitates the collection of soil samples and saves manpower.

[0054] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A soil sample collection device for environmental monitoring, comprising a collection frame (2) for collecting soil, characterized in that: A sieving mechanism (3) is provided next to the collection frame (2). The sieving mechanism (3) includes a sieving box (31) above the collection frame (2), an inlet pipe (32) on the sieving box (31), a sieving plate (33) inside the sieving box (31), and a cylinder (34) for driving the sieving plate (33) to slide. A discharge port (311) is provided on the bottom surface of the sieving box (31). The collection frame (2) is located below the discharge port (311). A sieving mechanism (34) is provided inside the sieving box (31). There is an installation groove (312) that is connected to the discharge port (311). The feed pipe (32) is connected to the installation groove (312). The cylinder (34) is installed in the sieve box (31). A sliding plate (331) is provided on the sieve plate (33). The sliding plate (331) is fixed on the output shaft of the cylinder (34). The sieve plate (33) is slidably installed in the installation groove (312). The sieve plate (33) is located below the feed pipe (32).

2. The soil sample collection device for environmental monitoring according to claim 1, characterized in that: The sieve box (31) has a material taking hole (313) on its side. A protective plate (314) is hinged to the side of the sieve box (31). The protective plate (314) is rotatably disposed in the material taking hole (313). The sieve mechanism (3) includes a receiving frame (35) for collecting stones and waste. The receiving frame (35) is close to the protective plate (314). The receiving frame (35) is disposed on the top surface of the sieve plate (33). The material passing hole on the sieve plate (33) is connected to the material passing hole on the receiving frame (35). The diameter of the material passing hole on the sieve plate (33) is larger than the diameter of the material passing hole on the receiving frame (35).

3. The soil sample collection device for environmental monitoring according to claim 2, characterized in that: The sieve plate (33) has a placement groove (332) on its top surface. The sieve mechanism (3) includes an abutment strip (36) on the top surface of the sieve plate (33), an installation column (37) in the placement groove (332), an abutment plate (38) that can abut against the side of the receiving frame (35), and a screw (39) that can be threaded into the receiving frame (35). The installation column (37) is located in the sieve plate (33), the abutment plate (38) is rotatably mounted on the installation column (37), the abutment plate (38) is located in the placement groove (332), and the screw (39) is threaded onto the abutment plate (38). One side of the receiving frame (35) abuts against the abutment strip (36), and the other side of the receiving frame (35) abuts against the abutment plate (38).

4. The soil sample collection device for environmental monitoring according to claim 1, characterized in that: The sieve box (31) is equipped with a crushing mechanism (4). The crushing mechanism (4) includes a mixing box (41) connected to the feed pipe (32), a mounting base (42) in the mixing box (41), a double-head motor (43) in the mounting base (42), and a mixing blade (44) for crushing the soil. A connecting column (47) is provided on the mounting base (42). The connecting column (47) is connected to the mixing box (41). The mixing blade (44) is located on the output shaft of one end of the double-head motor (43). The mixing box (41) is equipped with a feed inlet. The mixing blade (44) is located near the feed inlet.

5. The soil sample collection device for environmental monitoring according to claim 4, characterized in that: The crushing mechanism (4) includes a stirring rod (45) disposed below the mounting base (42) and a stirring block (46) for stirring the soil. The stirring rod (45) is disposed on the output shaft at the other end of the dual-head motor (43). The stirring rod (45) is close to the feed pipe (32), and the stirring block (46) is disposed on the stirring rod (45).

6. The soil sample collection device for environmental monitoring according to claim 4, characterized in that: The mixing tank (41) is threaded with a top cover (5), and a feeding hopper (6) is provided on the top cover (5). The feeding hopper (6) is connected to the mixing tank (41). A rotating shaft (431) is connected to the output shaft of one end of the dual-head motor (43). A sliding groove (48) is provided on the side of the rotating shaft (431). The sliding groove (48) is connected to the top surface of the rotating shaft (431). A sliding block (441) is provided on the stirring blade (44). The sliding block (441) is vertically slidably disposed in the sliding groove (48).

7. A soil sample collection device for environmental monitoring according to claim 6, characterized in that: A limiting groove (49) is provided on the side wall of the sliding groove (48), and the limiting groove (49) is connected to the top surface of the rotating shaft (431). A limiting block (442) is provided on the side wall of the sliding block (441), and the limiting block (442) is vertically slidably disposed in the limiting groove (49).

8. A soil sample collection device for environmental monitoring according to claim 4, characterized in that: The mixing tank (41) has a through hole (411) on its side and a second protective plate (412) is hinged to the side of the mixing tank (41). The second protective plate (412) is rotatably disposed in the through hole (411).

Images