Soil quality layered detection device

Abstract

The invention discloses a soil quality layering detection device which comprises a mounting frame, fixing devices, a lifting device, a drilling device, an elastic detection device and a pushing device, and the fixing devices are arranged on the two sides of the bottom of the mounting frame; the lifting device is arranged on the mounting frame; the drilling device is arranged at the lifting end of the lifting device, and a through hole is formed in the drilling device; the detection end of the elastic detection device is elastically arranged in the drilling device and blocks the through hole; the pushing device is arranged in the drilling device and comprises a conical extrusion head capable of moving up and down, and a plurality of annular grooves are formed in the extrusion head from top to bottom; the extrusion head abuts against the elastic detection device so as to extrude the end of the elastic detection device through ascending and descending of the extrusion head, and the detection end of the elastic detection device is transversely pushed out of the drilling device along the through hole. The detection end of the elastic detection device can be inserted into or pulled out of soil in a sectional mode, and bending, deformation and even damage of the probe are effectively reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of soil detection, and in particular to a soil quality stratification detection device. Background Art

[0002] With the development of modern agriculture, environmental science and geological engineering, accurate assessment of soil quality has become increasingly important. As a key means of assessing soil health, soil quality stratification detection technology has a direct impact on the effectiveness of agricultural planting, environmental protection and land resource management.

[0003] In the related art, in order to realize layered detection of soil at different depths, a probe is usually built into an insertion rod. After the insertion rod is inserted into the soil to reach the target position, the probe is pushed out horizontally from the insertion rod through a connecting rod mechanism so as to be laterally inserted into the soil for detection.

[0004] For example, a layered temperature sensor with invention number CN202310651537.3 and an environmental pollution control detection equipment with invention number CN201920962165.5 both use an articulated connecting rod mechanism to push out the probe.

[0005] However, when the above-mentioned method is used to detect the quality of deep soil, the deep soil is subjected to greater pressure from the soil above, resulting in a decrease in the gaps between soil particles and the soil becoming more dense. When the probe is laterally inserted into such dense soil, the soil particles will produce greater friction on the probe. When the connecting rod is forcibly pulled mechanically by the above-mentioned hinged method, the probe may bend, deform, or even be damaged (i.e., the solder joint between the detection head at the front end of the probe and the sensor at the rear end breaks, causing detachment), thus affecting subsequent detection. Summary of the invention

[0006] The present invention aims to solve one of the technical problems in the above-mentioned technology at least to some extent.

[0007] To achieve the above-mentioned purpose, the first aspect of the present invention proposes a soil quality stratification detection device, comprising: a mounting frame, a fixing device, a lifting device, a drilling device, an elastic detection device and a pushing device, wherein the fixing device is arranged on both sides of the bottom of the mounting frame; the lifting device is arranged on the mounting frame; the drilling device is arranged on the lifting end of the lifting device, and a through hole is opened on the drilling device; the detection end of the elastic detection device is elastically arranged in the drilling device and blocks the through hole; the pushing device is arranged in the drilling device, and the pushing device includes a conical extrusion head that can move up and down, and the extrusion head is opened with a plurality of annular grooves from top to bottom; the extrusion head abuts against the elastic detection device to squeeze the end of the elastic detection device through the lifting and lowering of the extrusion head, and the detection end of the elastic detection device is pushed out of the drilling device laterally along the through hole.

[0008] In addition, the soil quality stratification detection device proposed in the present invention may also have the following additional technical features:

[0009] As a further description of the above technical solution: the elasticity detection device includes a fixed column, a probe, an insulating head and a spring, wherein the fixed column is arranged in the drilling device, and the through hole passes through the fixed column; one end of the probe is connected to the insulating head, and the other end is slidably arranged in the fixed column; the spring is sleeved outside the fixed column, and one end of the spring is connected to the insulating head, and the other end is connected to the inner wall of the drilling device; wherein the insulating head abuts against the extrusion head.

[0010] As a further description of the above technical solution: the pushing device also includes a fixed plate and an electric push rod, wherein the fixed plate is arranged in the drilling device; the electric push rod is arranged on the fixed plate; and the extrusion head is connected to the telescopic end of the electric push rod.

[0011] As a further description of the above technical solution: multiple elastic detection devices are arranged at equal angles at the same horizontal height to form an elastic detection unit, the multiple elastic detection units are arranged in sequence from top to bottom, the number of the multiple extrusion heads corresponds one-to-one to the multiple elastic detection units, and the multiple extrusion heads are connected end to end in sequence.

[0012] As a further description of the above technical solution: the extrusion head located at the bottom is provided with a vertically downward extension portion, a stabilizing plate is provided in the lower part of the drilling device, and the extension portion passes through the stabilizing plate.

[0013] As a further description of the above technical solution: the lifting device includes a bidirectional lead screw, a first drive motor, a lead screw slider, a transmission structure and a mounting plate, wherein the two bidirectional lead screws are relatively arranged on both sides of the mounting frame; the two lead screw sliders are respectively arranged on the corresponding bidirectional lead screws; the transmission structure connects the two bidirectional lead screws; the output end of the first drive motor is connected to one of the bidirectional lead screws; and the two ends of the mounting plate are respectively connected to the two lead screw sliders.

[0014] As a further description of the above technical solution: the drilling device includes a second drive motor, a spiral transmission sleeve and a drill bit, wherein the second drive motor is arranged on the lifting end of the lifting device; the spiral transmission sleeve is arranged on the output end of the second drive motor; the drill bit is detachably arranged at the bottom of the spiral transmission sleeve and blocks the bottom opening of the spiral transmission sleeve.

[0015] As a further description of the above technical solution: the fixing device includes a rotating arm, a pin and a damping knob, wherein an ear plate is provided at the bottom of the mounting frame; one end of the rotating arm can be rotatably set on the ear plate and locked by the damping knob; the pin is movably set on the other end of the rotating arm.

[0016] As a further description of the above technical solution: a controller is also arranged on the mounting frame, and the lifting device, the drilling device, the elasticity detection device and the pushing device are respectively connected to the controller.

[0017] According to the soil quality stratification detection device of the present invention, through the conical design of the extrusion head and the opening of the annular groove, when the elastic detection device passes through multiple annular grooves in sequence, not only can multiple vibration effects be generated, but the detection end of the elastic detection device can also rebound multiple times over a short distance under the action of elasticity, so that the detection end of the elastic detection device can be inserted into the soil in sections. Compared with inserting it into the soil at one time, the friction resistance of the detection end of the elastic detection device is smaller. When the detection end of the elastic detection device is reset, the bending, deformation, and even damage of the probe can be effectively reduced.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0020] Figure 1 is a schematic structural diagram of a soil quality stratification detection device according to an embodiment of the present invention;

[0021] Figure 2 is a schematic diagram of a magnified structure of a local area A according to an embodiment of the present invention;

[0022] Figure 3 is a schematic structural diagram of a lifting device according to an embodiment of the present invention;

[0023] Figure 4 is a schematic diagram of the installation of a soil quality stratification detection device according to an embodiment of the present invention;

[0024] Figure 5 is a schematic diagram of the internal structure of a spiral transmission sleeve according to an embodiment of the present invention;

[0025] Figure 6 is a schematic diagram of a magnified structure of a local area B according to an embodiment of the present invention;

[0026] Figure 7 is a schematic diagram of the internal structure of a spiral transmission sleeve according to another embodiment of the present invention;

[0027] Figure 8 is a schematic diagram of a local C enlarged structure according to an embodiment of the present invention;

[0028] Fig. 9 is a schematic diagram of the internal structure of a spiral transmission sleeve according to another embodiment of the present invention;

[0029] As shown in the figure:

[0030] 100, mounting frame; 101, ear plate; 102, through slot; 200, fixing device; 210, rotating arm; 220, pin; 230, damping knob; 300, lifting device; 310, bidirectional lead screw; 320, first drive motor; 330, lead screw nut; 340, transmission structure; 350, mounting plate; 400, drilling device; 401, through hole; 410, second drive motor; 420, spiral transmission sleeve; 430, drill bit; 500, elasticity detection device; 510, fixing column; 520, probe; 530, insulating head; 540, spring; 600, pushing device; 601, extension; 602, stabilizing plate; 610, fixing plate; 620, electric push rod; 630, extrusion head; 631, annular groove; 700, controller. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0032] The soil quality stratification detection device according to an embodiment of the present invention is described below with reference to the accompanying drawings.

[0033] like Figure 1 and Figure 4 As shown, the soil quality stratification detection device according to the embodiment of the present invention may include a mounting frame 100 , a fixing device 200 , a lifting device 300 , a drilling device 400 , an elastic detection device 500 and a pushing device 600 .

[0034] The fixing device 200 is disposed on both sides of the bottom of the mounting frame 100 , and the fixing device 200 is fixed around the soil to be detected to ensure the stability of the mounting frame 100 .

[0035] The lifting device 300 is disposed on the mounting frame 100, and the drilling device 400 is disposed on the lifting end of the lifting device 300, and a through hole 401 is opened on the drilling device 400. Figure 5 and Figure 6 As shown, the detection end of the elastic detection device 500 is elastically arranged in the drilling device 400 and blocks the through hole 401 .

[0036] The pushing device 600 is disposed in the drilling device 400. The pushing device 600 includes a conical extrusion head 630 that can move up and down, and the extrusion head 630 is provided with a plurality of annular grooves 631 from top to bottom. The extrusion head 630 abuts against the elasticity detection device 500. Figure 7 and Figure 8 As shown, the end of the elasticity detection device 500 is squeezed by lifting and lowering the extrusion head 630 , and the detection end of the elasticity detection device 500 is pushed out of the drilling device 400 along the through hole 401 in a transverse direction.

[0037] It should be noted that when the drilling device 400 is performing a drilling operation, the bottom of the extrusion head 630 abuts against the elastic detection device 500. Due to the conical structure of the extrusion head 630, at this position, the detection end of the elastic detection device 500 blocks the through hole 401 and does not extend out of the drilling device 400, so as to prevent soil from entering the drilling device 400 from the through hole 401 during the drilling operation.

[0038] Specifically, when relevant staff conducts soil quality inspection, they first use the fixing device 200 to stably place the entire inspection device in the area to be inspected. The fixing device 200 is arranged on both sides of the bottom of the mounting frame 100 to ensure that the device will not be displaced during operation.

[0039] Then, the lifting device 300 and the drilling device 400 are started, so that the drilling device 400 moves downward under the action of the lifting device 300 to drill a hole, thereby forming a hole of a predetermined diameter and depth in the soil. During this process, the elastic detection device 500 inside the drilling device 400 remains stationary, and the detection end of the elastic detection device 500 blocks the through hole 401 on the drilling device 400 to prevent soil from entering the drilling device 400.

[0040] When the drilling is completed, the relevant staff starts the pushing device 600, so that the conical extrusion head 630 moves downward, gradually squeezing the end of the elastic detection device 500. Since the extrusion head 630 is provided with a plurality of annular grooves 631 from top to bottom, during the descent of the extrusion head 630, the elastic detection device 500 is always in contact with the extrusion head 630 due to the elastic effect.

[0041] When the first annular groove 631 at the bottom of the extrusion head 630 contacts the elastic detection device 500, due to the concave structure of the annular groove 631, the elastic detection device 500 is reset to the annular groove 631 due to its own elastic reset effect, so that the elastic detection device 500 rebounds over a short distance and hits the annular groove 631 when rebounding, generating impact vibration, thereby further reducing the friction between the soil and the detection end of the elastic detection device 500.

[0042] After passing through the first annular groove 631 at the bottom, as the extrusion head 630 continues to descend, the elastic detection device 500 is continuously pushed out, and each subsequent time it passes through the annular groove 631, the elastic detection device 500 rebounds and vibrates for a short distance, thereby enabling the elastic detection device 500 to be pushed into the soil in multiple stages. Compared with a one-time push, due to the multiple rebounds and vibrations of the elastic detection device 500, an insertion hole can be gradually formed in the soil, thereby reducing the instantaneous compression of the soil, thereby reducing the friction of the soil on the elastic detection device 500.

[0043] When the top of the extrusion head 630 abuts against the end of the elastic detection device 500, the detection end of the elastic detection device 500 is successfully inserted into the soil, and the built-in sensor begins to collect various physical parameters of the soil, such as humidity, temperature, density, etc., and transmits these data back to the control system for analysis and processing.

[0044] After the detection is completed, the relevant staff controls the pushing device 600 to reset, that is, the extrusion head 630 rises and resets. Since the friction between the detection end of the elastic detection device 500 and the soil is small, and coordinated with the reset of its own elastic action, the detection end of the elastic detection device 500 is reset to the through hole 401 again, and the through hole 401 is re-blocked.

[0045] Next, the relevant staff controls the lifting device 300 to drive the drilling device 400 to reset and prepare for the next inspection.

[0046] In one embodiment of the present invention, the elasticity detection device 500 includes a fixing column 510 , a probe 520 , an insulating head 530 and a spring 540 .

[0047] Among them, the fixed column 510 is set in the drilling device 400, the through hole 401 passes through the fixed column 510, one end of the probe 520 is connected to the insulating head 530, and the other end is slidably set in the fixed column 510, the spring 540 is sleeved outside the fixed column 510, and one end of the spring 540 is connected to the insulating head 530, and the other end is connected to the inner wall of the drilling device 400, wherein the insulating head 530 is abutted against the extrusion head 630.

[0048] It should be noted that the probe 520 includes a detection head at the front end and an integrated sensor at the rear end to measure various parameters such as soil moisture, temperature, and conductivity. In addition, considering the complexity of the soil environment, the probe 520 is made of corrosion-resistant materials to ensure stability and durability for long-term use.

[0049] Specifically, when no detection is performed, the probe 520 is inside the drilling device 400 , the spring 540 maintains a natural state, and the insulating head 530 is closely attached to the inner wall of the drilling device 400 to block the through hole 401 .

[0050] When soil testing is required, the extrusion head 630 of the pushing device 600 moves downward, contacts and squeezes the insulating head 530. As the extrusion force increases, the insulating head 530 drives the probe 520 to move outward along the through hole 401 in the fixing column 510 until the probe 520 is completely extended out of the drilling device 400 and enters the soil. At this time, the spring 540 is subjected to the maximum compression.

[0051] After the probe 520 is extended into the soil, it starts to collect various parameters of the soil and transmits the data to the control system for analysis through the internal circuit. After the data collection is completed, the extrusion head 630 of the pushing device 600 moves upward to reduce the pressure on the insulating head 530. At this time, the spring 540 is reset due to compression, pulling the insulating head 530 and the probe 520 back to the initial position, and the through hole 401 is closed again.

[0052] In one embodiment of the present invention, the pushing device 600 further includes a fixing plate 610 and an electric push rod 620 .

[0053] The fixing plate 610 is disposed in the drilling device 400 , the electric push rod 620 is disposed on the fixing plate 610 , and the extrusion head 630 is connected to the telescopic end of the electric push rod 620 .

[0054] It should be noted that the relevant staff can control the electric push rod 620 so that the electric push rod 620 pushes the extrusion head 630 to move up and down, thereby extending or retracting the detection end of the elasticity detection device 500.

[0055] In one embodiment of the present invention, a plurality of elastic detection devices 500 are arranged at equal angles at the same horizontal height to form an elastic detection unit. The plurality of elastic detection units are arranged in sequence from top to bottom. The number of the plurality of extrusion heads 630 corresponds one-to-one to the plurality of elastic detection units, and the plurality of extrusion heads 630 are connected end to end in sequence.

[0056] It should be noted that one extrusion head 630 can synchronously extrude multiple elastic detection devices 500 in the same elastic detection unit, so that the multiple elastic detection devices 500 can simultaneously detect the soil at different positions of the layer to improve the accuracy of the detection.

[0057] In order to further improve the stability of the pushing device 600 during operation, Fig. 9 As shown, a vertically downward extending portion 601 is disposed on the extrusion head 630 located at the bottom, a stabilizing plate 602 is disposed in the lower part of the drilling device 400 , and the extending portion 601 penetrates the stabilizing plate 602 .

[0058] In one embodiment of the present invention, Figure 3 As shown, the lifting device 300 includes a bidirectional lead screw 310 , a first drive motor 320 , a lead screw slider 330 , a transmission structure 340 and a mounting plate 350 .

[0059] Among them, two bidirectional screws 310 are relatively arranged on both sides of the mounting frame 100, two screw sliders 330 are respectively arranged on the corresponding bidirectional screws 310, the transmission structure 340 connects the two bidirectional screws 310, the output end of the first drive motor 320 is connected to one of the bidirectional screws 310, and the two ends of the mounting plate 350 are respectively connected to the two screw sliders 330, wherein the drilling device 400 is arranged on the mounting plate 350.

[0060] It should be noted that when the relevant staff controls the lifting device 300 to lift, the first drive motor 320 is started first, and its output end drives one of the two-way screws 310 to rotate, and drives the other two-way screw 310 to rotate synchronously through the transmission structure 340 to ensure that the two screws move in unison. As the two-way screw 310 rotates, the screw slider 330 moves along the axial direction of the screw. Since the screw slider 330 is connected to the mounting plate 350, the mounting plate 350 moves up and down accordingly.

[0061] Both ends of the mounting plate 350 are connected to the two lead screw sliders 330 respectively, so the mounting plate 350 is driven by the two lead screw sliders 330 to move up and down while maintaining a horizontal state, and drives the drilling device 400 to move up and down, thereby achieving precise control of the drilling depth.

[0062] In one embodiment of the present invention, the drilling device 400 includes a second driving motor 410 , a spiral transmission sleeve 420 and a drill bit 430 .

[0063] Among them, the second drive motor 410 is arranged on the lifting end of the lifting device 300, the spiral transmission sleeve 420 is arranged on the output end of the second drive motor 410, and the outer wall of the spiral transmission sleeve 420 is provided with threaded transmission leaves for transporting soil debris generated during the drilling process to ensure efficient chip removal capability and avoid blockage. The drill bit 430 is detachably arranged at the bottom of the spiral transmission sleeve 420 and seals the bottom opening of the spiral transmission sleeve 420.

[0064] It should be noted that a through slot 102 is provided on the top of the mounting frame 100 so that when the drilling device 400 rises following the lifting device 300 , the second drive motor 410 can pass through the through slot 102 to increase the effective stroke of the drilling device 400 .

[0065] As a possible situation, the drill bit 430 is connected to the bottom thread of the spiral transmission sleeve 420. When the drilling device 400 performs a drilling operation, the drilling rotation direction of the drill bit 430 is opposite to the screw direction, thereby preventing the drill bit 430 from being detached.

[0066] As another possible situation, the drill bit 430 is connected to the bottom of the spiral transmission sleeve 420 via a locking bolt, and the relevant staff can replace the drill bit 430 by removing the locking bolt.

[0067] It should be noted that the through hole 401 is formed on the outer wall of the spiral transmission sleeve 420 .

[0068] It is understandable that when the relevant staff is performing the drilling operation, they start the second drive motor 410, and its output end drives the spiral transmission sleeve 420 and the drill bit 430 to rotate. Through the control of the lifting device 300, the drill bit 430 gradually approaches the drilling position, the drill bit 430 contacts the material surface and starts drilling, and the spiral transmission blades on the spiral transmission sleeve 420 transport the debris generated during the drilling process upward.

[0069] In one embodiment of the present invention, Figure 2 As shown, the fixing device 200 includes a rotating arm 210 , a pin 220 and a damping knob 230 .

[0070] The bottom of the mounting frame 100 is provided with an ear plate 101 , one end of the rotating arm 210 is rotatably arranged on the ear plate 101 and locked by a damping knob 230 , and the pin 220 is movably arranged on the other end of the rotating arm 210 .

[0071] It should be noted that the relevant staff selectively rotates the rotating arm 210 according to the conditions around the soil to be detected, and then locks it through the damping knob 230 and inserts the pin 220 into the soil to improve the overall stability.

[0072] In one embodiment of the present invention, a controller 700 is further provided on the mounting frame 100 , and the lifting device 300 , the drilling device 400 , the elasticity detection device 500 and the pushing device 600 are respectively connected to the controller 700 .

[0073] It should be noted that the first drive motor 320 of the lifting device 300 is connected to the controller 700 via a signal line or a wireless communication module. The controller 700 controls the rising and falling movements of the lifting device 300 according to preset drilling depth and speed parameters to ensure that the drill bit 430 accurately reaches the target position.

[0074] The second drive motor 410 in the drilling device 400 is connected to the controller 700 via a signal line or a wireless communication module. The controller 700 controls the start, stop and speed of the second drive motor 410 to ensure the stability and accuracy of the drilling process. At the same time, the controller 700 can also adjust the working state of the motor according to real-time feedback to cope with different drilling conditions.

[0075] The elasticity detection device 500 is connected to the controller 700 via a sensor interface, and transmits the parameters detected by the probe 520 to the controller 700 and displays them on an external display screen of the controller 700 .

[0076] The electric telescopic rod in the pushing device 600 is connected to the controller 700 via a signal line or a wireless communication module. The controller 700 controls the thrust and speed of the pushing device 600 according to the drilling depth and material properties to ensure the smooth progress of the drilling process.

[0077] In summary, according to the soil quality stratification detection device of the embodiment of the present invention, through the conical design of the extrusion head 630 and the opening of the annular groove 631, when the elastic detection device 500 passes through multiple annular grooves 631 in sequence, it can not only produce multiple vibration effects, but also the detection end of the elastic detection device 500 can rebound multiple times in a short distance under the action of elasticity, so that the detection end of the elastic detection device 500 can be inserted into the soil in sections. Compared with inserting it into the soil at one time, the friction resistance of the detection end of the elastic detection device 500 is smaller. When the detection end of the elastic detection device 500 is reset, the bending, deformation, and even damage of the probe 520 can be effectively reduced.

[0078] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0079] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0080] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A soil quality stratification detection device, characterized in that: include: A mounting frame (100), a fixing device (200), a lifting device (300), a drilling device (400), an elasticity detection device (500) and a pushing device (600), wherein: The fixing device (200) is arranged on both sides of the bottom of the mounting frame (100); The lifting device (300) is arranged on the mounting frame (100); The drilling device (400) is arranged on the lifting end of the lifting device (300), and a through hole (401) is opened on the drilling device (400); The detection end of the elastic detection device (500) is elastically arranged in the drilling device (400) and blocks the through hole (401); The pushing device (600) is arranged in the drilling device (400), and the pushing device (600) comprises a conical extrusion head (630) that can move up and down, and the extrusion head (630) is provided with a plurality of annular grooves (631) from top to bottom; The extrusion head (630) is in contact with the elastic detection device (500) so as to squeeze the end of the elastic detection device (500) by lifting and lowering the extrusion head (630), and to push the detection end of the elastic detection device (500) out of the drilling device (400) laterally along the through hole (401).

2. The soil quality stratification detection device according to claim 1, characterized in that: The elasticity detection device (500) comprises a fixing column (510), a probe (520), an insulating head (530) and a spring (540), wherein: The fixing column (510) is disposed in the drilling device (400), and the through hole (401) passes through the fixing column (510); One end of the probe (520) is connected to the insulating head (530), and the other end is slidably disposed in the fixing column (510); The spring (540) is sleeved outside the fixing column (510), and one end of the spring (540) is connected to the insulating head (530), and the other end is connected to the inner wall of the drilling device (400); Wherein, the insulating head (530) abuts against the extrusion head (630).

3. The soil quality stratification detection device according to claim 1, characterized in that: The pushing device (600) further comprises a fixing plate (610) and an electric push rod (620), wherein: The fixing plate (610) is arranged in the drilling device (400); The electric push rod (620) is arranged on the fixing plate (610); The extrusion head (630) is connected to the telescopic end of the electric push rod (620).

4. The soil quality stratification detection device according to claim 1, characterized in that: A plurality of the elasticity detection devices (500) are arranged at equal angles at the same horizontal height to form an elasticity detection unit. The plurality of elasticity detection units are arranged sequentially from top to bottom. The number of the plurality of extrusion heads (630) corresponds one-to-one to the plurality of elasticity detection units, and the plurality of extrusion heads (630) are sequentially connected end to end.

5. The soil quality stratification detection device according to claim 4, characterized in that: The extrusion head (630) located at the bottom is provided with a vertically downward extension portion (601), and a stabilizing plate (602) is provided in the lower part of the drilling device (400), and the extension portion (601) passes through the stabilizing plate (602).

6. The soil quality stratification detection device according to claim 1, characterized in that: The lifting device (300) comprises a bidirectional lead screw (310), a first drive motor (320), a lead screw slider (330), a transmission structure (340) and a mounting plate (350), wherein: The two bidirectional lead screws (310) are arranged oppositely on two sides of the mounting frame (100); The two lead screw sliders (330) are respectively arranged on the corresponding bidirectional lead screws (310); The transmission structure (340) connects the two bidirectional lead screws (310); An output end of the first driving motor (320) is connected to one of the bidirectional lead screws (310); Both ends of the mounting plate (350) are respectively connected to the two lead screw sliders (330).

7. The soil quality stratification detection device according to claim 1, characterized in that: The drilling device (400) comprises a second driving motor (410), a spiral transmission sleeve (420) and a drill bit (430), wherein: The second driving motor (410) is arranged on the lifting end of the lifting device (300); The spiral transmission sleeve (420) is arranged on the output end of the second drive motor (410); The drill bit (430) is detachably arranged at the bottom of the spiral transmission sleeve (420) and blocks the bottom opening of the spiral transmission sleeve (420).

8. The soil quality stratification detection device according to claim 1, characterized in that: The fixing device (200) comprises a rotating arm (210), a pin (220) and a damping knob (230), wherein: The bottom of the mounting frame (100) is provided with an ear plate (101); One end of the rotating arm (210) is rotatably disposed on the ear plate (101) and is locked by the damping knob (230); The pin (220) is movably arranged on the other end of the rotating arm (210).

9. The soil quality stratification detection device according to claim 1, characterized in that: The mounting frame (100) is also provided with a controller (700), and the lifting device (300), the drilling device (400), the elasticity detection device (500) and the pushing device (600) are respectively connected to the controller (700).

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