Soil moisture collecting device and using method thereof

Abstract

The invention discloses a soil moisture collecting device and a using method thereof.The soil moisture collecting device is characterized in that a screw cylinder is in threaded connection with the interior of an inner groove of a base, an inner cylinder is arranged on the screw cylinder, a spiral plate is welded to the outer wall of the inner cylinder, and the output end of the inner cylinder is rotationally connected with a first conical cover and a second conical cover; and an in-ground sensor is placed in the inner cylinder, an inner gear is welded to the input end of the rotating cylinder, and an outer gear is connected to the inner gear in a meshed mode. During detection, an extraterrestrial sensor is fixed on the ground, then an external gear is controlled, the external gear enables a rotating cylinder to rotate through transmission, a screw cylinder drives an inner cylinder to integrally punch the ground, a screw rod drives an intraterrestrial sensor to ascend, the rotating cylinder is reversely controlled after punching is completed, and the intraterrestrial sensor penetrates through the inner cylinder and enters a hole. And by arranging the in-ground sensor and the out-of-ground sensor, integrated operation and use can be achieved, and therefore the detection requirement is met.

Description

Technical Field

[0001] The present application relates to the technical field of collection devices, and in particular to a soil moisture collection device and a method for using the same. Background Art

[0002] In the process of monitoring regional soil moisture content, moisture monitoring devices are often used. The current moisture monitoring devices are mainly based on the fusion cosmic ray method or single-point sensor (FDR or TDR). The cosmic ray method can measure the moisture content of the entire area with a depth of 0 to 70 cm within a diameter of 700 meters, but it cannot measure in layers; single-point sensors (FDR or TDR) can measure moisture at different vertical depths (10cm, 20cm, ...), but the two cannot be used in an integrated manner and cannot meet the collection needs. Summary of the invention

[0003] One of the purposes of the present application is to provide a soil moisture collection device and a method of using the same.

[0004] To achieve the above objectives, the technical solution adopted in the present application is: a soil moisture collection device, comprising an extra-ground sensor, an intra-ground sensor, a collection box, an air pressure sensor, a power supply system and a base, wherein the extra-ground sensor is detachably connected to the base, an inner groove is provided on the base, a rotating drum is rotatably connected in the inner groove, a screw is threadedly connected inside the rotating drum, the intra-ground sensor is detachably connected to the screw, the rotating drum is detachably connected to a screw barrel, the screw barrel is threadedly connected in the inner groove of the base, an inner barrel is provided on the screw barrel, a spiral plate is welded on the outer wall of the inner barrel, a first conical cover and a second conical cover are rotatably connected to the output end of the inner barrel, the intra-ground sensor is placed inside the inner barrel, an internal gear is welded on the input end of the rotating drum, and an external gear is meshingly connected to the internal gear.

[0005] Preferably, a corresponding transverse groove is provided on the extraterrestrial sensor, an external gear is rotatably connected inside the transverse groove of the extraterrestrial sensor, an internal gear is meshingly connected to the external gear, a part of the external gear is located outside the extraterrestrial sensor, the internal gear is located inside the inner groove of the extraterrestrial sensor, and the inner groove is opened along the vertical direction of the extraterrestrial sensor.

[0006] Preferably, the screw is arranged vertically along the extraterrestrial sensor, the screw is connected to the rotating drum, one end of the screw is located above the rotating drum, and the other end of the screw is located below the rotating drum. A limit rod is detachably connected to the end of the screw above the rotating drum, and the limit rod is slidably connected to the inside of the extraterrestrial sensor.

[0007] Preferably, the limit rod is respectively located at the two side ends of the screw rod, the limit rod is arranged along the length of the extraterrestrial sensor, the limit rod and the screw rod are arranged in a straight line as a whole, the limit rod is arranged in a cylindrical shape as a whole, the diameter of the limit rod is smaller than the diameter of the screw rod, and the length of the screw rod is greater than the length of the limit rod.

[0008] Preferably, a support is welded in the inner groove of the extraterrestrial sensor, and a rotating drum is rotatably connected to the support. The rotating drum is connected to the support through, one end of the rotating drum is located above the support, and the other end of the rotating drum is located below the support, and a corresponding inclined frame is welded to the end of the rotating drum below the support.

[0009] Preferably, the inclined frame is arranged in an S shape as a whole, and a sliding rod is slidably connected to one end of the inclined frame. The sliding rod is arranged along the length of the extraterrestrial sensor, and one end of the sliding rod is connected to the base through penetration. One end of the sliding rod is located on the outside of the base, and the end of the sliding rod on the inside of the base is disassembled and connected to the screw barrel.

[0010] Preferably, a screw groove is provided in the inner groove of the base, a screw barrel is meshingly connected to the screw groove, the rotation direction of the screw barrel is different from that of the screw rod, an inner barrel is welded to the screw barrel, and the inner barrel is cylindrical.

[0011] Preferably, a corresponding vertical groove is opened on the side edge of the inner cylinder, a corresponding rotating seat is rotatably connected to the vertical groove of the inner cylinder, and a corresponding first conical cover and a second conical cover are welded to the rotating seat.

[0012] Preferably, a rotating rod is welded on the rotating seat, the rotating rod is rotatably connected in the vertical slot, a corresponding torsion spring is sleeved at the connection between the rotating rod and the vertical slot, and the rotating rod and the rotating seat are arranged in a T shape.

[0013] To achieve the above purpose, another technical solution adopted by the present application is: a method for using a soil moisture collection device, comprising the following steps:

[0014] S1: A base is welded on the off-ground sensor. The base can be fixed on the ground. An inner groove is opened inside the base and communicated with the ground. When a rotating drum is installed in the inner groove, the rotating drum can drive the screw barrel and the screw to rotate at the same time. The screw will drive the off-ground sensor to move upward, and the screw barrel will drive the inner barrel to move toward the ground as a whole. When the screw barrel moves toward the ground, it will be in a rotating feeding state;

[0015] S2: The inner cylinder and the spiral plate can rotate the soil on the ground, and the soil on the outer periphery of the inner cylinder will enter the inner groove, and a hole will be drilled at the position of the inner cylinder. Then, the rotating cylinder is rotated in the opposite direction, and the spiral cylinder can drive the inner cylinder to move upward as a whole, and the screw can drive the underground sensor to move into the hole. During the movement, the soil in the inner groove will gradually enter the hole, and the underground sensor can be buried. The outer-ground sensor and the underground sensor can be detected as a whole.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] The soil moisture collection device and its use method are as follows: by installing a base on an off-ground sensor, a support can be installed in an inner groove inside the base. When a rotating drum is arranged on the support, the rotating drum can be rotated at the support position, and the screw and the barrel connected to the rotating drum will be driven by the rotating drum to rotate. The rotation direction of the barrel and the screw are different. When the rotating drum rotates, the movement direction of the barrel and the screw are different. When the off-ground sensor is installed on the ground, the rotating drum can be rotated to control the rotating drum to move the barrel to the ground position. The barrel can drive the inner barrel to feed as a whole, thereby drilling a buried hole. At this time, the screw will move up, and the on-ground sensor will move up. After the hole drilling is completed, the rotating drum is controlled in the reverse direction, and the on-ground sensor will move to the hole position. When moving, the on-ground sensor will push open the first conical cover and the second conical cover, thereby moving out of the inner barrel and entering the hole. The off-ground sensor and the on-ground sensor can be installed, so as to be used as an integrated operation, so that the detection is more accurate and meets the use requirements.

[0018] The soil moisture collection device and the use method thereof, by arranging a support in the inner groove, the support can limit the rotating drum, the rotating drum can rotate at the support position, the position of the rotating drum does not change when the rotating drum rotates, the internal thread of the rotating drum is connected to the screw rod, and the screw rod is provided with limit rods, and the limit rods are respectively arranged on both sides of the screw rod, and when the limit rods on both sides are inserted into the off-ground sensor, the limit rods will limit the screw rod, and the screw rod will not rotate with the rotating drum when moving, thereby realizing the up and down movement of the screw rod, thereby ensuring that the screw rod drives the underground sensor to move, and the underground sensor can enter the drilled hole and can also be away from the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0020] Figure 2 The internal structure of the present invention is shown in FIG. Figure 1 .

[0021] Figure 3 The internal structure of the present invention is shown in FIG. Figure 2 .

[0022] Figure 4 It is a schematic structural diagram of the first conical cover in the present invention.

[0023] Figure 5 For the present invention Figure 1 Schematic diagram of the enlarged structure of area A in the middle.

[0024] Figure 6 For the present invention Figure 2 Schematic diagram of the enlarged structure of area B in the middle.

[0025] Figure 7 For the present invention Figure 3 Schematic diagram of the enlarged structure of the middle C area.

[0026] In the figure: 1. base; 2. extraterrestrial sensor; 3. air pressure sensor; 4. collection box; 5. power supply system; 6. external gear; 7. transverse groove; 8. internal groove; 9. limit rod; 10. rotating drum; 11. first conical cover; 12. second conical cover; 13. internal gear; 14. support; 15. inclined frame; 16. sliding rod; 17. screw groove; 18. screw drum; 19. inner drum; 20. spiral plate; 21. underground sensor; 22. screw; 23. vertical groove; 24. rotating rod; 25. rotating seat; 26. torsion spring. DETAILED DESCRIPTION

[0027] Below, the present application is further described in conjunction with specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0028] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0029] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0030] like Figures 1 to 7As shown, the present invention provides a soil moisture collection device, including an extra-ground sensor 2, an intra-ground sensor 21, a collection box 4, an air pressure sensor 3, a power supply system 5 and a base 1, the extra-ground sensor 2 is detachably connected to the base 1, an inner groove 8 is provided on the base 1, a rotating drum 10 is rotatably connected in the inner groove 8, a screw 22 is threadedly connected inside the rotating drum 10, the intra-ground sensor 21 is detachably connected to the screw 22, a screw barrel 18 is detachably connected to the rotating drum 10, the screw barrel 18 is threadedly connected in the inner groove 8 of the base 1, an inner barrel 19 is provided on the screw barrel 18, a spiral plate 20 is welded on the outer wall of the inner barrel 19, a first conical cover 11 and a second conical cover 12 are rotatably connected to the output end of the inner barrel 19, the intra-ground sensor 21 is placed inside the inner barrel 19, an inner gear 13 is welded on the input end of the rotating drum 10, and an outer gear 6 is meshedly connected to the inner gear 13. By installing the base 1 on the extraterrestrial sensor 2, an inner groove 8 is opened inside the base 1, and the inner groove 8 can be used to install the extraterrestrial sensor 21. When using it for detection, first fix the extraterrestrial sensor 2 on the ground, and then control the outer gear 6. The outer gear 6 will drive the rotating drum 10 to rotate through transmission, and the screw 22 and the screw barrel 18 on the rotating drum 10 will move separately. The screw barrel 18 will drive the inner barrel 19 as a whole to drill holes in the ground, and the screw 22 will drive the extraterrestrial sensor 21 to rise. After the drilling is completed, the rotating drum 10 is controlled in the reverse direction, and the extraterrestrial sensor 21 will pass through the inner barrel 19 into the hole, thereby completing the installation. By setting the extraterrestrial sensor 21 and the extraterrestrial sensor 2, they can be operated and used as a whole, thereby meeting the detection requirements.

[0031] The off-ground sensor 2 is provided with a corresponding transverse groove 7, and an external gear 6 is rotatably connected inside the transverse groove 7 of the off-ground sensor 2, and an internal gear 13 is meshedly connected to the external gear 6, a part of the external gear 6 is located outside the off-ground sensor 2, and the internal gear 13 is located inside the internal groove 8 of the off-ground sensor 2, and the internal groove 8 is provided along the vertical direction of the off-ground sensor 2. By setting the external gear 6, the external gear 6 can mesh with the internal gear 13, and the internal gear 13 is welded to the rotating drum 10, and the rotating drum 10 can be controlled to rotate by the external gear 6, thereby realizing the controlled rotation of the screw 22 and the screw drum 18.

[0032] The screw 22 is arranged vertically along the extraterrestrial sensor 2, and is connected to the rotating drum 10 through and through, with one end of the screw 22 located above the rotating drum 10, and the other end of the screw 22 located below the rotating drum 10. The end of the screw 22 above the rotating drum 10 is detachably connected to the limit rod 9, and the limit rod 9 is slidably connected inside the extraterrestrial sensor 2. Through the meshing of the screw 22 and the rotating drum 10, the screw 22 will move up and down along the rotating drum 10 when the rotating drum 10 rotates, and the screw 22 can drive the in-ground sensor 21 to move up and down.

[0033] In practice, by installing the base 1 on the extraterrestrial sensor 2, the support 14 can be installed in the inner groove 8 inside the base 1. When the rotating drum 10 is arranged on the support 14, the rotating drum 10 can rotate at the position of the support 14, and the screw 22 and the screw barrel 18 connected to the rotating drum 10 will be driven by the rotating drum 10 to rotate. The rotation direction of the screw barrel 18 and the screw 22 are different. When the rotating drum 10 rotates, the movement direction of the screw barrel 18 and the screw 22 is different. When the extraterrestrial sensor 2 is installed on the ground, the rotating drum 10 can be rotated to control the rotating drum 10 to move the screw barrel 18 to the ground position. When the inner cylinder 19 is moved, the screw barrel 18 can drive the inner cylinder 19 to feed as a whole, thereby drilling the buried hole. At this time, the screw rod 22 will move up, and the underground sensor 21 will move up. After the hole drilling is completed, the rotating drum 10 is controlled in the reverse direction, and the underground sensor 21 will move toward the hole position. During the movement, the underground sensor 21 will push open the first conical cover 11 and the second conical cover 12, thereby moving out of the inner cylinder 19 and entering into the hole. The underground sensor 2 and the underground sensor 21 can be installed, so that they can be used as an integrated operation, thereby making the detection more accurate and meeting the use requirements.

[0034] The limit rods 9 are respectively located at the two side ends of the screw rod 22, and the limit rods 9 are arranged along the length of the extraterrestrial sensor 2. The limit rods 9 and the screw rod 22 are arranged in a straight line as a whole. The limit rods 9 are arranged in a cylindrical shape as a whole. The diameter of the limit rods 9 is smaller than the diameter of the screw rod 22, and the length of the screw rod 22 is greater than the length of the limit rods 9. Through the setting of the limit rods 9, the screw rod 22 will be restricted by the limit rods 9, and the screw rod 22 will not rotate with the rotating drum 10, thereby realizing the up and down movement of the screw rod 22.

[0035] A support 14 is welded in the inner groove 8 of the extraterrestrial sensor 2, and a rotating drum 10 is rotatably connected to the support 14. The rotating drum 10 is connected through the support 14, and one end of the rotating drum 10 is located above the support 14, and the other end of the rotating drum 10 is located below the support 14. A corresponding inclined bracket 15 is welded to the end of the rotating drum 10 below the support 14. The support 14 can limit the position of the rotating drum 10. When the inclined bracket 15 is installed on the rotating drum 10, the screw barrel 18 can be controlled by the inclined bracket 15, and the screw barrel 18 will rotate synchronously with the rotating drum 10.

[0036] The inclined frame 15 is arranged in an S-shape as a whole, and a slide bar 16 is slidably connected to one end of the inclined frame 15. The slide bar 16 is arranged along the length of the extraterrestrial sensor 2, and one end of the slide bar 16 is connected to the base 1 through one end, and one end of the slide bar 16 is located outside the base 1. The end of the slide bar 16 inside the base 1 is detachably connected to the screw barrel 18. By installing the slide bar 16 on the inclined frame 15 and installing one end of the slide bar 16 on the screw barrel 18, the inclined frame 15 can control the rotation of the screw barrel 18 by driving the slide bar 16, so that the screw barrel 18 can keep synchronization with the rotating drum 10 when moving up and down.

[0037] A screw groove 17 is provided in the inner groove 8 of the base 1, and a screw barrel 18 is meshedly connected to the screw groove 17. The rotation direction of the screw barrel 18 is different from that of the screw rod 22. An inner barrel 19 is welded to the screw barrel 18, and the inner barrel 19 is arranged in a cylindrical shape. Through the arrangement of the screw groove 17, the screw barrel 18 will move along the screw groove 17, thereby realizing the up and down movement of the screw barrel 18.

[0038] A corresponding vertical groove 23 is provided on the side edge of the inner cylinder 19, and a corresponding rotating seat 25 is rotatably connected to the vertical groove 23 of the inner cylinder 19, and the corresponding first conical cover 11 and second conical cover 12 are welded to the rotating seat 25. The connection of the rotating seat 25 can be realized through the vertical groove 23, and the rotating seat 25 will rotate in the vertical groove 23. When the rotating seat 25 is set on the corresponding first conical cover 11 and second conical cover 12, the first conical cover 11 and second conical cover 12 can be rotated.

[0039] A rotating rod 24 is welded on the rotating seat 25, and the rotating rod 24 is rotatably connected in the vertical slot 23. A corresponding torsion spring 26 is sleeved at the connection between the rotating rod 24 and the vertical slot 23, and the rotating rod 24 and the rotating seat 25 are arranged in a T shape. The first conical cover 11 and the second conical cover 12 can be kept in an overlapping state by the arrangement of the torsion spring 26, and the first conical cover 11 and the second conical cover 12 can be reset after the ground sensor 21 pushes the first conical cover 11 and the second conical cover 12 to open.

[0040] During implementation, by arranging a support 14 in the inner groove 8, the support 14 can limit the rotating drum 10, and the rotating drum 10 can rotate at the position of the support 14. The position of the rotating drum 10 will not change when it rotates. The internal thread of the rotating drum 10 is connected to the screw 22. A limit rod 9 is arranged on the screw 22. The limit rods 9 are respectively arranged on both sides of the screw 22. When the limit rods 9 on both sides are inserted into the extra-ground sensor 2, the limit rods 9 will limit the screw 22, and the screw 22 will not rotate with the rotating drum 10 when moving, thereby realizing the up and down movement of the screw 22, thereby ensuring that the screw 22 drives the underground sensor 21 to move, and the underground sensor 21 can enter the drilled hole and can also be away from the ground.

[0041] like Figure 1-Figure 7 As shown, a method for using a soil moisture collection device comprises the following steps:

[0042] S1: Weld the base 1 on the ground sensor 2. The base 1 can be fixed on the ground. The base 1 has an inner groove 8. The inner groove 8 is connected to the ground. When the rotating drum 10 is installed in the inner groove 8, the rotating drum 10 can drive the screw barrel 18 and the screw rod 22 to rotate at the same time. The screw rod 22 drives the ground sensor 21 to move upward. The screw barrel 18 drives the inner barrel 19 to move toward the ground as a whole. When the screw barrel 18 moves toward the ground, it will be in a rotating feeding state.

[0043] S2: The inner cylinder 19 and the spiral plate 20 can rotate the soil on the ground, and the soil on the outer periphery of the inner cylinder 19 will enter the inner groove 8, and a hole will be drilled at the position of the inner cylinder 19. Then the rotating cylinder 10 is rotated in the opposite direction, and the spiral cylinder 18 can drive the inner cylinder 19 to move upward as a whole, and the screw 22 can drive the underground sensor 21 to move into the hole. During the movement, the soil in the inner groove 8 will gradually enter the hole, and the underground sensor 21 can be buried, and the outer-ground sensor 2 and the underground sensor 21 can be detected as a whole.

[0044] The working principle of the present invention is as follows: by installing the base 1 on the extraterrestrial sensor 2, the support 14 can be installed in the inner groove 8 inside the base 1. When a rotating drum 10 is arranged on the support 14, the rotating drum 10 can be rotated at the position of the support 14, and the screw 22 and the screw barrel 18 connected to the rotating drum 10 will be driven by the rotating drum 10 to rotate. The rotation direction of the screw barrel 18 is different from that of the screw 22. When the rotating drum 10 rotates, the movement directions of the screw barrel 18 and the screw 22 are different. When the extraterrestrial sensor 2 is installed on the ground, the rotating drum 10 can be rotated to control the rotating drum 10 to move the screw barrel 18 to the ground position. The screw barrel 18 can drive the inner barrel 19 to feed as a whole, thereby drilling a buried hole. At this time, the screw 22 will move up, and the underground sensor 21 will move up. After the hole drilling is completed, the rotating drum 10 is reversely controlled, and the underground sensor 21 will move to the hole position. When moving, the underground sensor 21 will push open the first cone cover 11 and the second cone cover. shaped cover 12, thereby moving out the inner cylinder 19 and entering the hole, the extra-ground sensor 2 and the underground sensor 21 can be installed, so as to be used as an integrated operation, so that the detection is more accurate and meets the use requirements. By arranging a support 14 in the inner groove 8, the support 14 can limit the rotating drum 10, and the rotating drum 10 can rotate at the position of the support 14. The position of the rotating drum 10 will not change when the rotating drum 10 rotates. The internal thread of the rotating drum 10 is connected to the screw 22, and a limit rod 9 is arranged on the screw 22. The limit rods 9 are respectively arranged on both sides of the screw 22. When the limit rods 9 on both sides are inserted into the extra-ground sensor 2, the limit rods 9 will limit the screw 22, and the screw 22 will not rotate with the rotating drum 10 when moving, thereby realizing the up and down movement of the screw 22, thereby ensuring that the screw 22 drives the underground sensor 21 to move, and the underground sensor 21 can enter the drilled hole and can also be away from the ground.

[0045] The above describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and the specification only describe the principles of the present application. The present application may have various changes and improvements without departing from the spirit and scope of the present application, and these changes and improvements fall within the scope of the present application for which protection is sought. The scope of protection claimed by the present application is defined by the attached claims and their equivalents.

Claims

1. A soil moisture collection device, comprising an extra-ground sensor (2), an intra-ground sensor (21), a collection box (4), an air pressure sensor (3), a power supply system (5) and a base (1), characterized in that: The above-ground sensor (2) is detachably connected to a base (1), the base (1) is provided with an inner groove (8), a rotating drum (10) is rotatably connected in the inner groove (8), a screw rod (22) is threadedly connected inside the rotating drum (10), an above-ground sensor (21) is detachably connected to the screw rod (22), a screw barrel (18) is detachably connected to the rotating drum (10), and the screw barrel (18) is threadedly connected in the inner groove (8) of the base (1). The screw barrel (18) is provided with an inner barrel (19), a spiral plate (20) is welded on the outer wall of the inner barrel (19), the output end of the inner barrel (19) is rotatably connected to the first conical cover (11) and the second conical cover (12), a ground sensor (21) is placed inside the inner barrel (19), and an internal gear (13) is welded on the input end of the rotating drum (10), and the internal gear (13) is meshingly connected to the external gear (6).

2. A soil moisture collection device as claimed in claim 1, characterized in that: The extraterrestrial sensor (2) is provided with a corresponding transverse groove (7), and an external gear (6) is rotatably connected inside the transverse groove (7) of the extraterrestrial sensor (2), and an internal gear (13) is meshingly connected to the external gear (6), a part of the external gear (6) is located outside the extraterrestrial sensor (2), and the internal gear (13) is located inside the internal groove (8) of the extraterrestrial sensor (2), and the internal groove (8) is opened along the vertical direction of the extraterrestrial sensor (2).

3. A soil moisture collection device as claimed in claim 1, characterized in that: The screw rod (22) is arranged vertically along the extraterrestrial sensor (2), and the screw rod (22) is connected to the rotating drum (10). One end of the screw rod (22) is located above the rotating drum (10), and the other end of the screw rod (22) is located below the rotating drum (10). A limit rod (9) is detachably connected to the end of the screw rod (22) above the rotating drum (10), and the limit rod (9) is slidably connected to the inside of the extraterrestrial sensor (2).

4. A soil moisture collection device as claimed in claim 3, characterized in that: The limit rods (9) are respectively located at the two side ends of the screw rod (22), the limit rods (9) are arranged along the length of the extraterrestrial sensor (2), the limit rods (9) and the screw rod (22) are arranged in a straight line as a whole, the limit rods (9) are arranged in a cylindrical shape as a whole, the diameter of the limit rods (9) is smaller than the diameter of the screw rod (22), and the length of the screw rod (22) is greater than the length of the limit rod (9).

5. A soil moisture collection device as claimed in claim 1, characterized in that: A support (14) is welded inside the inner groove (8) of the extraterrestrial sensor (2), and a rotating drum (10) is rotatably connected to the support (14). The rotating drum (10) is connected to the support (14) through the support (14), one end of the rotating drum (10) is located above the support (14), and the other end of the rotating drum (10) is located below the support (14), and a corresponding inclined frame (15) is welded to the end of the rotating drum (10) below the support (14).

6. A soil moisture collection device as claimed in claim 5, characterized in that: The inclined frame (15) is arranged in an S-shape as a whole, and a slide rod (16) is slidably connected to one end of the inclined frame (15). The slide rod (16) is arranged along the length of the extraterrestrial sensor (2). One end of the slide rod (16) is connected to the base (1) through the end, and one end of the slide rod (16) is located on the outside of the base (1). The end of the slide rod (16) on the inside of the base (1) is detachably connected to the screw barrel (18).

7. A soil moisture collection device as claimed in claim 6, characterized in that: A screw groove (17) is provided in the inner groove (8) of the base (1), and a screw barrel (18) is meshedly connected to the screw groove (17). The rotation direction of the screw barrel (18) is different from that of the screw rod (22). An inner barrel (19) is welded to the screw barrel (18), and the inner barrel (19) is cylindrical.

8. A soil moisture collection device as claimed in claim 7, characterized in that: A corresponding vertical groove (23) is provided on the side edge of the inner cylinder (19), a corresponding rotating seat (25) is rotatably connected to the vertical groove (23) of the inner cylinder (19), and a corresponding first conical cover (11) and a second conical cover (12) are welded to the rotating seat (25).

9. A soil moisture collection device as claimed in claim 7, characterized in that: A rotating rod (24) is welded on the rotating seat (25), and the rotating rod (24) is rotatably connected in the vertical groove (23). A corresponding torsion spring (26) is sleeved at the connection between the rotating rod (24) and the vertical groove (23), and the rotating rod (24) and the rotating seat (25) are arranged in a T shape.

10. A method for using a soil moisture collection device, applied to the collection device according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: A base (1) is welded on the off-ground sensor (2). The base (1) can be fixed on the ground. An inner groove (8) is provided inside the base (1). The inner groove (8) is connected to the ground. When a rotating drum (10) is installed in the inner groove (8), the rotating drum (10) can simultaneously drive the screw barrel (18) and the screw rod (22) to rotate. The screw rod (22) drives the off-ground sensor (21) to move upward. The screw barrel (18) drives the inner barrel (19) to move toward the ground as a whole. When the screw barrel (18) moves toward the ground, it is in a rotating feeding state. S2: The inner cylinder (19) and the spiral plate (20) can rotate the soil on the ground, and the soil on the outer periphery of the inner cylinder (19) will enter the inner groove (8), and a hole will be drilled at the position of the inner cylinder (19). Then, the rotating cylinder (10) is rotated in the opposite direction, and the spiral cylinder (18) can drive the inner cylinder (19) to move upward as a whole, and the screw (22) can drive the underground sensor (21) to move into the hole. During the movement, the soil in the inner groove (8) will gradually enter the hole, and the underground sensor (21) can be buried, and the outer sensor (2) and the underground sensor (21) can be detected as a whole.

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