Soil heavy metal detection device

Abstract

The utility model relates to the technical field of detection devices, in particular to a soil heavy metal detection device. Comprising a mounting box, a first connecting shaft and a second connecting shaft are rotationally mounted at the two ends of the mounting box correspondingly and penetrate through the mounting box, first driving wheels are fixedly mounted at the two ends of the first connecting shaft correspondingly, and second driving wheels are fixedly mounted at the two ends of the second connecting shaft correspondingly; the first driving wheel and the second driving wheel are in transmission connection through a crawler belt, and a driving mechanism used for driving the first driving wheel to rotate is further mounted in the mounting box. The grabbing mechanism is mounted above the mounting box, the crawler belt can enable the device to sample softer soil and uneven places, so that the device is not hindered when moving, and the grabbing mechanism can collect the soil, so that subsequent detection is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of detection devices, in particular to a soil heavy metal detection device. Background Art

[0002] Heavy metals are the most prominent inorganic pollutants in soil. Since heavy metal pollutants cannot be decomposed by microorganisms in the soil, they are easily accumulated over a long period of time to form methyl compounds, which affect the growth of plants and even endanger human health through the food chain. Currently, heavy metal detection is mostly carried out on-site and then sent to the laboratory for spectral detection, which requires soil collection.

[0003] At present, a Chinese utility model patent with authorization announcement number CN219915610U discloses a soil heavy metal detection device, including a base plate, an armrest and a storage box, characterized in that rollers are fixedly connected on all sides of the bottom of the base plate, a round through hole is opened on the top of the base plate, the armrest is fixed to one side of the top of the top plate, a mounting frame is fixedly installed on the top of the top plate, a fixed frame is fixed on the top of the mounting frame, a motor is fixed on the top of the fixed frame, the output shaft of the motor passes through the fixed frame and is fixed with a threaded rod, a movable seat is threadedly connected to the surface of the threaded rod, a movable plate is fixed to the outside of the movable seat, a threaded drill rod is rotatably connected to the inside of the movable plate, a metal column is movably connected to the inside of the threaded drill rod, and a driving structure is fixed between the movable plate and the threaded drill rod.

[0004] The above-mentioned prior art installs rollers on the soil heavy metal detection device, making it more convenient to move, so as to facilitate sampling in multiple places. However, in many planting areas, the surface soil is soft and the land is not flat, which makes it difficult for the roller to roll on the soil, making the prior art no longer convenient. Utility Model Content

[0005] In view of the above-mentioned defects, the utility model provides a soil heavy metal detection device to solve the problem that the roller in the prior art is inconvenient to move on some softer soils.

[0006] The utility model is implemented using the following technical solutions: a soil heavy metal detection device comprises an installation box, wherein the first connecting shaft and the second connecting shaft are rotatably installed at both ends of the installation box, respectively, the first connecting shaft and the second connecting shaft both pass through the installation box, the first connecting shaft both ends are fixedly installed with a first driving wheel, the second connecting shaft both ends are fixedly installed with a second driving wheel, the first driving wheel and the second driving wheel are both connected by a crawler drive, and the interior of the installation box is also equipped with a driving mechanism for driving the first driving wheel to rotate; a gantry is installed above the installation box, a third motor is fixedly installed on the top of the gantry, the motor output shaft of the third motor passes through the top of the gantry and is fixedly connected with one end of a screw rod, the other end of the screw rod is rotatably matched with the installation box, one end of a cantilever is also matched with the screw rod, and a grabbing mechanism for grabbing soil is fixedly installed on the other end of the cantilever.

[0007] Furthermore, the driving mechanism includes a first motor, which is fixedly mounted on the top of the mounting box, one end of a worm is fixedly mounted on the motor output shaft of the first motor, a worm wheel is fixedly mounted on the middle of the first connecting shaft, and the worm wheel is meshed with the worm.

[0008] Furthermore, the grabbing mechanism includes a fixed frame, which is fixedly connected to the cantilever, and a fourth motor is fixedly installed on the fixed frame, and the motor output shaft of the fourth motor is fixedly connected to a threaded column; one end of three connecting rods is hinged on the fixed frame, the other end of the connecting rod is hinged to one end of a mounting arm, and a material picking part is fixedly installed on the other end of the mounting arm; a sliding frame is also installed on the threaded column, and the sliding frame is hinged to one end of the mounting arm away from the material picking part.

[0009] Furthermore, the three material taking parts have the same structure and are spherical.

[0010] Furthermore, a rotating mechanism for driving the grabbing mechanism to rotate is also installed on the installation box.

[0011] Furthermore, the rotating mechanism includes a rotating inner ring, which is fixedly mounted on the mounting box, and the outer side of the rotating inner ring is also rotatably matched with a rotating outer ring, and a turntable is fixedly mounted on the rotating outer ring, and the turntable is fixedly connected to the gantry, and the turntable is rotatably connected to the screw rod; a mounting seat is also fixedly mounted on the mounting box, and a second motor is fixedly mounted on the top of the mounting seat, and a motor output shaft of the second motor passes through the mounting seat and is fixedly connected to a driving gear, and the driving gear is meshed with the rotating outer ring.

[0012] Furthermore, a fixing platform is fixedly installed on the inner side of the rotating inner ring, and the fixing platform is fixedly connected to the installation box.

[0013] Furthermore, a slide groove is provided on the gantry, and protrusions are provided on both sides of the cantilever, and the slide groove and the protrusion are slidably matched.

[0014] Furthermore, a controller is installed in the installation box, and the first motor, the second motor, the third motor, and the fourth motor are all electrically connected to the controller.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. The crawler of the device is driven to rotate by the first motor. The crawler is installed on both sides of the installation box through the first connecting shaft and the second connecting shaft. A grabbing mechanism is installed on the installation box. The crawler enables the device to sample some softer soils and some uneven places, so that it can move unhindered, and the grabbing mechanism can collect the soil, thereby facilitating subsequent detection.

[0017] 2. The device is also equipped with a controller, which is electrically connected to the first motor, the second motor, the third motor, and the fourth motor, so that the device can be remotely controlled, making it more convenient for users to collect soil.

[0018] 3. The grabbing mechanism in the device can be rotated through the rotating mechanism, and a sample box is also fixedly installed on the installation box. When the grabbing mechanism completes grabbing, the collected samples are placed in the sample box through the rotating mechanism, making the device more convenient.

[0019] The soil heavy metal detection device of the utility model is further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a structural schematic diagram of a soil heavy metal detection device of the utility model;

[0021] Figure 2 It is a structural schematic diagram of the driving mechanism of the crawler track of the device;

[0022] Figure 3 It is a structural diagram of the grasping mechanism;

[0023] Figure 4 is a cross-sectional view of the gripping mechanism;

[0024] Figure 5 It is a structural diagram of the rotary mechanism.

[0025] In the figure: 1- crawler track, 11- first connecting shaft, 12- first driving wheel, 13- second connecting shaft, 14- second driving wheel, 15- worm gear, 16- worm, 17- first motor; 2- installation box, 21- sample box; 3- second motor, 31- turntable, 32- rotating outer ring, 33- mounting seat, 34- driving gear, 35- fixed table, 36- rotating inner ring; 4- third motor, 41- gantry, 42- lead screw, 43- slide slot, 44- cantilever; 5- grabbing mechanism, 51- flange, 52- fourth motor, 53- fixed frame, 54- connecting rod, 55- threaded column, 56- sliding frame, 57- mounting arm, 58- material picking part. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific examples described here are only used to explain the utility model and are not used to limit the utility model.

[0027] like Figures 1 to 5 As shown, the utility model provides a soil heavy metal detection device, including an installation box 2, at both ends of the installation box 2 are rotatably installed a first connecting shaft 11 and a second connecting shaft 13, the first connecting shaft 11 and the second connecting shaft 13 both penetrate the installation box 2, at both ends of the first connecting shaft 11 are fixedly installed a first driving wheel 12, at both ends of the second connecting shaft 13 are fixedly installed a second driving wheel 14, the first driving wheel 12 and the second driving wheel 14 located on the same side are connected by a crawler 1, and a driving mechanism for driving the first driving wheel 12 to rotate is also installed inside the installation box 2; specifically, a first motor 17 is also fixedly installed on the top wall inside the installation box 2, one end of a worm 16 is fixedly installed on the motor output shaft of the first motor 17, a worm wheel 15 is fixedly installed in the middle of the first connecting shaft 11, and the worm wheel 15 is meshed with the worm 16; the driving mechanism here can be any mechanism that can drive the first driving wheel 12 to rotate, such as the cooperation of two bevel gears. The first motor 17 drives the first driving wheel 12 to rotate the driving track 1 through the cooperation of the worm gear 15 and the worm 16, thereby driving the device to move. A gantry 41 is installed above the installation box 2, and a third motor 4 is fixedly installed on the top of the gantry 41. The motor output shaft of the third motor 4 passes through the top of the gantry 41 and is fixedly connected to one end of the screw rod 42. The other end of the screw rod 42 is rotationally matched with the installation box 2. One end of a cantilever 44 is also installed on the screw rod 42. A gripping mechanism 5 for grabbing soil is fixedly installed on the other end of the cantilever 44. The cantilever 44 is slidably matched with both sides of the gantry 41; specifically, a slide groove 43 is provided on both sides of the gantry 41, and a protrusion is provided at the position of the cantilever 44 at the position of the slide groove 43. The protrusion is slidably matched with the slide groove 43, so that the sliding of the cantilever 44 is more stable.

[0028] As a further illustration of this example, the gripping mechanism in this device includes a fixing frame 53, the top of the fixing frame 53 is fixedly connected to the cantilever 44 through a flange 51, a threaded column 55 is rotatably mounted on the bottom of the fixing frame 53, a fourth motor 52 is fixedly mounted on the fixing frame 53, and the motor output shaft of the fourth motor 52 is fixedly connected to the threaded column 55; the shape of the fixing frame 53 is as follows Figure 3 As shown, the bottom of the fixed frame 53 is three legs, each of which is hinged with one end of a connecting rod 54, and the other end of the connecting rod 54 is hinged with one end of a mounting arm 57, and a material taking part 58 is fixedly installed at the other end of the mounting arm 57. The three material taking parts 58 have the same shape, and the three material taking parts 58 are spherical when they are put together; a sliding frame 56 is also installed on the threaded column 55, and the sliding frame 56 is hinged with the mounting arm 57, and the position where the sliding frame 56 is hinged with the mounting arm 57 and the position where the fixed frame 53 is hinged with the mounting arm 57 are located on both sides of the same end. The initial state is the state where the material taking part 58 is open. When it is necessary to grab soil, the position of the grabbing mechanism 5 is first adjusted. When the grabbing position is reached, the fourth motor 52 is controlled to start, the sliding frame 56 slides downward, and the mounting arm 57 closes with the material taking part 58, thereby completing the grabbing of soil.

[0029] As a further explanation of this example, a slewing mechanism for driving the grabbing mechanism 5 to rotate is also installed between the gantry 41 and the installation box 2; wherein the slewing mechanism includes a slewing inner ring 36, which is fixedly installed on the installation box 2, and in order to better fix the slewing mechanism, a fixed platform 35 is also fixedly installed on the installation box 2, the fixed platform 35 is located on the inner side of the slewing inner ring 36 and is fixedly connected to the slewing inner ring 36, and a slewing outer ring 32 is rotatably matched on the outer side of the slewing inner ring 36, and the slewing outer ring 32 is a gear structure. The rotating outer ring 32 is fixedly mounted with a turntable 31, the turntable 31 is fixedly mounted with a gantry 41, and the screw rod 42 is rotatably connected with the turntable 31; the mounting seat 33 is also fixedly mounted on the mounting box 2, the mounting seat 33 is a square frame, and the second motor 3 is fixedly mounted on the top of the mounting seat 33, the motor output shaft of the second motor 3 passes through the top of the mounting seat 33 and is fixedly connected with a driving gear 34, the driving gear 34 is connected with the bottom bearing of the mounting seat 33 through the mounting shaft, and the driving gear 34 is meshed with the rotating outer ring 32. The position of the grabbing mechanism 5 can be adjusted by the rotating mechanism, so that the grabbing mechanism 5 can grab soil at different positions, and a sample box is also fixedly mounted on the mounting box 2, and the soil samples taken can be placed in the sample box 21 in sequence for temporary storage. The operation process of the rotary mechanism is: control the second motor 3 to start, the second motor 3 drives the driving gear 34 to rotate, so that the rotary outer ring 32 rotates, the rotary outer ring 32 drives the grabbing mechanism 5 to rotate and then adjust the external position. When the soil sample needs to be stored, the material collection part 58 is located at the corresponding position of the sample box 21 through the rotary mechanism, and then it is opened to release the soil sample.

[0030] As a further explanation of this example, a controller is also installed in the installation box 2, and the first motor 17, the second motor 3, the third motor 4, and the fourth motor 52 are all electrically connected to the controller. Through the controller, the operator can remotely control the device, making the device more convenient to use; among them, the first motor 17, the second motor 3, the third motor 4, and the fourth motor 52 are all self-locking motors that can be rotated forward and reverse.

[0031] When it is necessary to sample and test the soil, the operator first takes the device to the area to be tested, then places it in this area, controls the device to move forward through the remote control device, and controls the grabbing mechanism 5 to grab the soil when it reaches the appropriate position. After grabbing, the soil is placed in the first grid of the sample box 21 through the rotating mechanism, and then the grabbing mechanism returns, and the device continues to move forward to the next sampling point for multiple samplings, so that the content of heavy metals in the soil in this area can be better judged during the test; during the movement, the fourth motor 52 can also be controlled to open and close multiple times, so that a small amount of soil remaining on the inner wall of the material taking part 58 falls off.

[0032] In summary, the utility model is a soil heavy metal detection device, which drives the crawler 1 to rotate through the first motor 17, and the crawler 1 is installed on both sides of the installation box 2 through the first connecting shaft 11 and the second connecting shaft 13, and a grabbing mechanism 5 is installed on the installation box 2; the crawler 1 allows the device to face some softer soils and some uneven places for sampling, so that it can move without hindrance, and the grabbing mechanism 5 can collect the soil, which is convenient for subsequent detection; a controller is also installed in the device, and the controller is electrically connected to the first motor 17, the second motor 3, the third motor 4, and the fourth motor 52, so that the device can be remotely controlled, which is more convenient for users to collect soil; the grabbing mechanism 5 in the device can be rotated through the rotating mechanism, and a sample box 21 is also fixedly installed on the installation box 2. When the grabbing mechanism 5 completes the grabbing, the collected samples are placed in the sample box 21 through the rotating mechanism, making the device more convenient.

[0033] Of course, the present invention may have many other embodiments. Without departing from the spirit and essence of the present invention, technicians familiar with the field may still make various corresponding changes and deformations based on the present invention, but these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the present invention.

Claims

1. A soil heavy metal detection device, characterized in that: The invention comprises an installation box (2), wherein a first connecting shaft (11) and a second connecting shaft (13) are rotatably mounted at both ends of the installation box (2), the first connecting shaft (11) and the second connecting shaft (13) both pass through the installation box (2), a first driving wheel (12) is fixedly mounted at both ends of the first connecting shaft (11), a second driving wheel (14) is fixedly mounted at both ends of the second connecting shaft (13), the first driving wheel (12) and the second driving wheel (14) are both connected by a crawler belt (1), and a useful A driving mechanism for driving the first driving wheel (12) to rotate; a gantry (41) is installed above the installation box (2); a third motor (4) is fixedly installed on the top of the gantry (41); a motor output shaft of the third motor (4) passes through the top of the gantry (41) and is fixedly connected to one end of a screw rod (42); the other end of the screw rod (42) is rotationally matched with the installation box (2); one end of a cantilever (44) is also mounted on the screw rod (42); and a grabbing mechanism (5) for grabbing soil is fixedly installed on the other end of the cantilever (44).

2. The soil heavy metal detection device according to claim 1, characterized in that: The driving mechanism comprises a first motor (17), the first motor (17) being fixedly mounted on the top of the mounting box (2), one end of a worm (16) being fixedly mounted on a motor output shaft of the first motor (17), a worm wheel (15) being fixedly mounted on a middle portion of the first connecting shaft (11), the worm wheel (15) being meshed with the worm (16).

3. The soil heavy metal detection device according to claim 1, characterized in that: The grabbing mechanism (5) comprises a fixed frame (53), the fixed frame (53) being fixedly connected to the cantilever (44), a fourth motor (52) being fixedly mounted on the fixed frame (53), a motor output shaft of the fourth motor (52) being fixedly connected to a threaded column (55); one end of three connecting rods (54) being hinged to the fixed frame (53), the other end of the connecting rod (54) being hinged to one end of a mounting arm (57), the other end of the mounting arm (57) being fixedly mounted to a material picking portion (58); a sliding frame (56) being co-operatingly mounted on the threaded column (55), the sliding frame (56) being hinged to one end of the mounting arm (57) away from the material picking portion (58).

4. The soil heavy metal detection device according to claim 3, characterized in that: The three material taking parts (58) have the same structure, and the three material taking parts (58) form a spherical shape.

5. The soil heavy metal detection device according to claim 1, characterized in that: The installation box (2) is also provided with a rotary mechanism for driving the grabbing mechanism (5) to rotate.

6. The soil heavy metal detection device according to claim 5, characterized in that: The rotary mechanism comprises a rotary inner ring (36), the rotary inner ring (36) being fixedly mounted on the mounting box (2), the outer side of the rotary inner ring (36) being rotatably matched with a rotary outer ring (32), a turntable (31) being fixedly mounted on the rotary outer ring (32), the turntable (31) being fixedly connected to the gantry (41), and the turntable (31) being rotatably connected to the screw rod (42); a mounting seat (33) being fixedly mounted on the mounting box (2), a second motor (3) being fixedly mounted on the top of the mounting seat (33), a motor output shaft of the second motor (3) passing through the mounting seat (33) and being fixedly connected to a driving gear (34), the driving gear (34) being meshed with the rotary outer ring (32).

7. The soil heavy metal detection device according to claim 6, characterized in that: A fixing platform (35) is also fixedly mounted on the inner side of the rotating inner ring (36), and the fixing platform (35) is fixedly connected to the installation box (2).

8. The soil heavy metal detection device according to claim 1, characterized in that: A slide groove (43) is provided on the gantry (41), and protrusions are provided on both sides of the cantilever (44), and the slide groove (43) is slidably matched with the protrusions.

9. The soil heavy metal detection device according to claim 2, characterized in that: A controller is also installed in the installation box (2), and the first motor (17), the second motor (3), the third motor (4), and the fourth motor (52) are all electrically connected to the controller.

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