Foamed light soil mechanical property detection device and method

Abstract

The invention relates to the field of foam light soil detection, in particular to a foam light soil mechanical property detection device and method.The foam light soil mechanical property detection device comprises a bottom plate, the top of the bottom plate is connected with a detection mechanism, the detection mechanism comprises a linear motor, the bottom of the linear motor is connected with the bottom plate, and the surface of the linear motor is sleeved with a sliding base; the right side of the sliding seat is connected with a transverse plate, a single-shaft motor is arranged above the transverse plate, and a rotating shaft of the single-shaft motor is connected with a pressure sensor. By arranging the linear motor, the sliding seat, the transverse plate, the single-shaft motor, the pressure sensor, the first electric push rod, the vertical pipe and the drill rod, the drill rod can move transversely and vertically, the position of the drill rod can be adjusted, the flexibility of the drill rod is improved, drilling detection is conducted on the ground through the drill rod, drilling detection can be conveniently conducted on a large-area ground foam light soil layer, and the drilling efficiency is improved. The ground strength is detected, and the applicability of the detection device is improved.

Description

Technical Field

[0001] The present invention relates to the field of foam lightweight soil detection, and in particular to a foam lightweight soil mechanical property detection device and method. Background Art

[0002] Lightweight foam filling soil, also known as EPS filling soil, is a material made of a mixture of polystyrene-based foam particles and cement. Lightweight foam filling soil is used in some road construction, and pressure testing is required when using lightweight foam filling soil.

[0003] For example, the Chinese utility model patent (application number: CN219757925U) discloses a "lightweight foam-filled soil compression quality testing device", and its specification discloses that when testing the lightweight foam-filled soil, the lightweight foam-filled soil is first prepared into a material sample, and then a placement table is placed on the bottom plate, and the material sample is placed on the placement table, and then the material sample is reinforced by a limit assembly, and then the pressure tester causes the lifting rod to descend, driving the lifting plate to descend, so that the lifting plate moves toward the placement table, and the material sample is subjected to an extrusion test; however, there are still the following disadvantages to a certain extent; For example, after collecting samples on site, they are sent to the laboratory for testing. This is not suitable for measuring the insulation layer in large areas and rooms, and it is impossible to perform drilling tests on lightweight foam soil layers, which reduces the applicability of the testing device. In order to solve the above technical problems, it is necessary for us to design a foam lightweight soil mechanical properties testing device and method to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to address the problems that the current testing device is not suitable for testing the thermal insulation layer in a large area or a room, cannot perform drilling tests on lightweight foam soil layers, and reduces the applicability of the testing device.

[0005] In order to achieve the above-mentioned purpose of the invention, the present invention provides a device and method for detecting the mechanical properties of foam lightweight soil to improve the above-mentioned problems.

[0006] The specific application is as follows: A foam lightweight soil mechanical property detection device comprises a base plate, the top of the base plate is connected to a detection mechanism, the detection mechanism comprises a linear motor, the bottom of the linear motor is connected to the base plate, a sliding seat is sleeved on the surface of the linear motor, a cross plate is connected to the right side of the sliding seat, a single-axis motor is arranged above the cross plate, a pressure sensor is connected to the rotating shaft of the single-axis motor, a first electric push rod is connected to the bottom of the pressure sensor, a vertical pipe is connected to the bottom of the first electric push rod, and a drill rod is arranged in the inner cavity of the vertical pipe.

[0007] As a preferred technical solution of the present application, a square hole is provided on the top of the base plate, U-shaped plates are sleeved on the front and rear sides of the horizontal plate, the top of the U-shaped plate is connected to a vertical plate, the top of the vertical plate is connected to a single-axis motor, a horizontal groove is provided on the top of the horizontal plate, and the first electric push rod passes through the horizontal groove and is movably connected to the horizontal groove.

[0008] As a preferred technical solution of the present application, the inner wall of the transverse groove is provided with a tooth groove, the surface of the first electric push rod is provided with a gear, the bottom of the gear is connected to a first L-shaped plate, the top of the first L-shaped plate passes through the transverse groove and is movably connected to the transverse groove, one side of the first L-shaped plate is connected to a positioning plate, and the bottom of the positioning plate is connected to a positioning rod.

[0009] As a preferred technical solution of the present application, a second L-shaped plate is connected to the top of the positioning plate, a first guide hole is opened on the surface of the vertical plate, one side of the second L-shaped plate passes through the first guide hole and is movably connected to the first guide hole, a second electric push rod is connected to the top of the second L-shaped plate, and one side of the second electric push rod is connected to the vertical plate.

[0010] As a preferred technical solution of the present application, the bottom of the vertical tube is in contact with a pressure plate, second guide holes are opened on both sides of the vertical tube, connecting blocks are connected to both sides of the drill rod, the side of the connecting block away from the drill rod passes through the second guide hole and is connected to an inclined plate through a rotating shaft, and the bottom of the inclined plate is connected to the pressure plate through a rotating shaft.

[0011] As a preferred technical solution of the present application, the surface of the vertical tube is connected to a dual-axis motor, the rotating shaft of the single-axis motor is connected to a first threaded rod, the surface thread sleeve of the first threaded rod is provided with a drive plate, the bottom of the drive plate is connected to a pressure plate, and one side of the first threaded rod is connected to a limiting block.

[0012] As a preferred technical solution of the present application, a supporting mechanism is connected to the right side of the base plate, and the supporting mechanism includes a detection box, one side of the detection box is connected to the base plate, the inner cavity of the detection box is provided with a supporting frame plate, the top of the support frame plate is connected to a connecting plate, and the connecting plate extends to the outside of the detection box away from one side of the support frame plate, and both sides of the detection box are connected to pads, and the top of the pad is connected to a second threaded rod, and the top of the second threaded rod passes through the connecting plate and is threadedly connected to the connecting plate.

[0013] As a preferred technical solution of the present application, a knob is connected to the top of the second threaded rod, guide grooves are provided on both sides of the top of the detection box, the guide grooves are used in conjunction with the connecting plates, and a drawer is provided in the inner cavity of the detection box, one side of the drawer extends to the outside of the detection box.

[0014] As a preferred technical solution of the present application, a handle is connected to the surface of the drawer, a controller is connected to the surface of the detection box, a display screen is inlaid on the surface of the controller, and universal wheels are connected to the bottom plate and the bottom of the detection box.

[0015] A method for using a foam lightweight soil mechanical property testing device comprises the following steps: Test pressure: Place the sample plate on the top of the support frame, rotate the knob to drive the second threaded rod to rotate, the second threaded rod thread drives the connecting plate to move vertically, the connecting plate drives the support frame and the sample plate to move vertically, and adjust the sample plate to a suitable height; The second electric push rod is controlled to extend and drive the pressing plate to move downward, and the pressing plate presses the sample until the sample is broken. The pressure applied to the first electric push rod is detected by the pressure sensor, and the information is fed back to the controller, and the pressure value applied to the sample is displayed on the display screen; Drilling detection: adjust the position of the drill rod, control the operation of the single-axis motor to drive the first electric push rod, the vertical pipe and the drill rod to rotate, control the extension of the first electric push rod, drive the drill rod to move downward to contact the ground, conduct ground drilling detection, and detect the hardness of the ground.

[0016] Compared with the prior art, the present invention has the following beneficial effects: In the scheme of this application: 1. In order to solve the problem that the prior art is not suitable for measuring the insulation layer in a large area or in a room, and cannot perform drilling tests on the lightweight foam soil layer, which reduces the applicability of the detection device, the present application sets a linear motor, a slide, a cross plate, a single-axis motor, a pressure sensor, a first electric push rod, a vertical pipe and a drill rod, so that the drill rod can move horizontally and vertically, and the position of the drill rod can be adjusted, thereby improving the flexibility of the drill rod. The drill rod is used to perform drilling tests on the ground, which is convenient for drilling tests on large-area lightweight foam soil layers on the ground, detecting the ground strength, and improving the applicability of the detection device; 2. By setting the gear, the first L-shaped plate, the positioning plate, the positioning rod, the second L-shaped plate and the second electric push rod, the gear can be moved vertically to engage with the tooth groove, and by cooperating with the single-axis motor, the first electric push rod can be driven to move horizontally, thereby adjusting the horizontal position of the drill rod, and the positioning plate and the positioning rod can be moved downward, and the positioning rod is inserted into the tooth groove to position the second electric push rod horizontally, thereby improving its stability; 3. By setting up a support frame plate, a connecting plate, a pad and a second threaded rod, the support frame plate can be moved vertically and its height can be adjusted. The support frame plate supports the sample plate, and the height of the test sample plate is adjusted to facilitate better testing of the sample plate. By setting up a test box, the sample plate is placed in the test box for testing, which avoids splashing of debris after the sample plate is crushed, and has high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of the foam lightweight soil mechanical properties testing device provided in this application; Figure 2 A schematic diagram of the side view of the foam lightweight soil mechanical properties testing device provided in this application; Figure 3 A schematic diagram of the testing mechanism of the foam lightweight soil mechanical properties testing device provided in this application; Figure 4 A cross-sectional schematic diagram of a testing mechanism of a foam lightweight soil mechanical properties testing device provided in this application; Figure 5 Schematic diagram of the support mechanism decomposition of the foam lightweight soil mechanical properties testing device provided in this application.

[0018] Indicated in the figure: 1. Bottom plate; 2. Detection mechanism; 20. Linear motor; 21. Slide; 22. Horizontal plate; 23. Single-axis motor; 24. Pressure sensor; 25. First electric push rod; 26. Vertical tube; 27. Drill rod; 28. Square hole; 29. ​​U-shaped plate; 210. Vertical plate; 211. Horizontal groove; 212. Tooth groove; 213. Gear; 214. First L-shaped plate; 215. Positioning plate; 216. Positioning rod; 217. Second L-shaped plate; 2 18. First guide hole; 219. Second electric push rod; 220. Pressing plate; 221. Second guide hole; 222. Connecting block; 223. Inclined plate; 224. Dual-axis motor; 225. First threaded rod; 226. Driving plate; 3. Support mechanism; 30. Detection box; 31. Support frame plate; 32. Connecting plate; 33. Pad; 34. Second threaded rod; 35. Guide groove; 36. Drawer; 37. Controller; 38. Universal wheel. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0020] As described in the background art, it is not suitable for measuring the insulation layer in a large area or room, and it is impossible to perform drilling tests on the lightweight foam soil layer, which reduces the applicability of the detection device.

[0021] In order to solve this technical problem, the present invention provides a foam lightweight soil mechanical property detection device and method, which is applied to the foam lightweight soil detection field.

[0022] Specifically, please refer to Figure 1 and Figure 2 A foam lightweight soil mechanical property detection device includes a base plate 1, a detection mechanism 2 is connected to the top of the base plate 1, the detection mechanism 2 includes a linear motor 20, the bottom of the linear motor 20 is connected to the base plate 1, a slide seat 21 is sleeved on the surface of the linear motor 20, a cross plate 22 is connected to the right side of the slide seat 21, a single-axis motor 23 is arranged above the cross plate 22, a pressure sensor 24 is connected to the rotating shaft of the single-axis motor 23, a first electric push rod 25 is connected to the bottom of the pressure sensor 24, a vertical pipe 26 is connected to the bottom of the first electric push rod 25, and a drill rod 27 is arranged in the inner cavity of the vertical pipe 26.

[0023] The present application enables the drill rod 27 to move horizontally and vertically, and the position of the drill rod 27 can be adjusted, thereby improving the flexibility of the drill rod 27. The drill rod 27 is used to perform drilling inspection on the ground, which is convenient for drilling inspection on large-area foam lightweight soil layers on the ground, detecting the ground strength, and improving the applicability of the detection device.

[0024] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0027] Example 1, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A foam lightweight soil mechanical property detection device includes a base plate 1, a detection mechanism 2 is connected to the top of the base plate 1, the detection mechanism 2 includes a linear motor 20, the bottom of the linear motor 20 is connected to the base plate 1, a slide seat 21 is sleeved on the surface of the linear motor 20, a cross plate 22 is connected to the right side of the slide seat 21, a single-axis motor 23 is arranged above the cross plate 22, a pressure sensor 24 is connected to the rotating shaft of the single-axis motor 23, a first electric push rod 25 is connected to the bottom of the pressure sensor 24, a vertical pipe 26 is connected to the bottom of the first electric push rod 25, and a drill rod 27 is arranged in the inner cavity of the vertical pipe 26.

[0028] By arranging a linear motor 20, a slide 21, a cross plate 22, a single-axis motor 23, a pressure sensor 24, a first electric push rod 25, a vertical pipe 26 and a drill rod 27, the drill rod 27 can be moved laterally and vertically, and the position of the drill rod 27 can be adjusted, thereby improving the flexibility of the drill rod 27. By using the drill rod 27 to perform drilling detection on the ground, it is convenient to perform drilling detection on a large area of ​​foam lightweight soil layer on the ground, detect its ground strength, and improve the applicability of the detection device.

[0029] A square hole 28 is provided at the top of the bottom plate 1, and U-shaped plates 29 are sleeved on the front and rear sides of the horizontal plate 22. The top of the U-shaped plate 29 is connected to a vertical plate 210, and the top of the vertical plate 210 is connected to the single-axis motor 23. A horizontal groove 211 is provided at the top of the horizontal plate 22, and the first electric push rod 25 passes through the horizontal groove 211 and is movably connected to the horizontal groove 211.

[0030] The square hole 28 is provided to facilitate the drill rod 27 to pass through the square hole 28 to perform drilling detection on the ground. The transverse groove 211 is provided to guide the first electric push rod 25 to facilitate the lateral movement of the first electric push rod 25 .

[0031] The inner wall of the transverse groove 211 is provided with a tooth groove 212, and the surface of the first electric push rod 25 is sleeved with a gear 213. The bottom of the gear 213 is connected to the first L-shaped plate 214, and the top of the first L-shaped plate 214 passes through the transverse groove 211 and is movably connected to the transverse groove 211. One side of the first L-shaped plate 214 is connected to a positioning plate 215, and the bottom of the positioning plate 215 is connected to a positioning rod 216.

[0032] By providing the cooperation among the positioning plate 215 , the positioning rod 216 and the tooth groove 212 , the first electric push rod 25 can be locked laterally, thereby improving the stability of the first electric push rod 25 .

[0033] A second L-shaped plate 217 is connected to the top of the positioning plate 215, a first guide hole 218 is opened on the surface of the vertical plate 210, one side of the second L-shaped plate 217 passes through the first guide hole 218 and is movably connected to the first guide hole 218, a second electric push rod 219 is connected to the top of the second L-shaped plate 217, and one side of the second electric push rod 219 is connected to the vertical plate 210.

[0034] By setting the first guide hole 218, the second L-shaped plate 217 is vertically guided to facilitate the vertical movement of the second L-shaped plate 217. By setting the gear 213, the first L-shaped plate 214, the positioning plate 215, the positioning rod 216, the second L-shaped plate 217 and the second electric push rod 219, the gear 213 can be vertically moved to engage with the tooth groove 212. By cooperating with the single-axis motor 23, the first electric push rod 25 can be driven to move horizontally, thereby adjusting the horizontal position of the drill rod 27, so that the positioning plate 215 and the positioning rod 216 move downward, and the positioning rod 216 is inserted into the tooth groove 212 to position the second electric push rod 219 horizontally to improve its stability.

[0035] The bottom of the vertical tube 26 contacts with a pressure plate 220, and second guide holes 221 are opened on both sides of the vertical tube 26. Connecting blocks 222 are connected to both sides of the drill rod 27. The side of the connecting block 222 away from the drill rod 27 passes through the second guide hole 221 and is connected to an inclined plate 223 through a rotating shaft. The bottom of the inclined plate 223 is connected to the pressure plate 220 through a rotating shaft.

[0036] By providing the second guide hole 221 , the connecting block 222 is vertically guided, so that the vertical movement of the connecting block 222 is facilitated.

[0037] A dual-axis motor 224 is connected to the surface of the vertical tube 26, and the rotating shaft of the single-axis motor 23 is connected to a first threaded rod 225. A driving plate 226 is threadedly sleeved on the surface of the first threaded rod 225, and the bottom of the driving plate 226 is connected to the pressure plate 220. One side of the first threaded rod 225 is connected to a limiting block.

[0038] By setting the connecting block 222, the inclined plate 223, the dual-axis motor 224, the first threaded rod 225, the driving plate 226 and the pressing plate 220, the two pressing plates 220 can be separated from and merged with each other. After the pressing plates 220 are merged, the sample can be pressed and tested to detect the bearing capacity of the sample plate. After the two pressing plates 220 are separated, the drill rod 27 is extended to perform drilling detection on the ground to detect the strength of the ground.

[0039] Example 2, the foam lightweight soil mechanical properties testing device provided in Example 1 is further optimized, specifically, as follows Figure 5 As shown, a support mechanism 3 is connected to the right side of the base plate 1, and the support mechanism 3 includes a detection box 30, one side of the detection box 30 is connected to the base plate 1, and the inner cavity of the detection box 30 is provided with a support frame plate 31, and the top of the support frame plate 31 is connected to a connecting plate 32, and the connecting plate 32 extends to the outside of the detection box 30 away from one side of the support frame plate 31, and both sides of the detection box 30 are connected to pads 33, and the top of the pads 33 is connected to a second threaded rod 34, and the top of the second threaded rod 34 passes through the connecting plate 32 and is threadedly connected to the connecting plate 32.

[0040] By setting the support frame plate 31, the connecting plate 32, the pad 33 and the second threaded rod 34, the support frame plate 31 can be moved vertically and its height can be adjusted. The support frame plate 31 supports the sample plate, and the height of the detection sample plate is adjusted to facilitate better detection of the sample plate. By setting the detection box 30, the sample plate is placed in the detection box 30 for detection, which avoids the splashing of debris after the sample plate is crushed, and has high safety.

[0041] A knob is connected to the top of the second threaded rod 34 , guide grooves 35 are provided on both sides of the top of the detection box 30 , and the guide grooves 35 are used in conjunction with the connecting plate 32 . A drawer 36 is provided in the inner cavity of the detection box 30 , and one side of the drawer 36 extends to the outside of the detection box 30 .

[0042] By providing a knob, the contact area with the hand is increased, which facilitates the second threaded rod 34 to rotate. By providing a drawer 36, a broken sample plate can be received.

[0043] A handle is connected to the surface of the drawer 36 , a controller 37 is connected to the surface of the detection box 30 , a display screen is inlaid on the surface of the controller 37 , and universal wheels 38 are connected to the bottom plate 1 and the bottom of the detection box 30 .

[0044] The handle is provided to facilitate the pulling out of the drawer 36, and the universal wheels 38 are provided to facilitate the movement of the detection device.

[0045] A method for using a foam lightweight soil mechanical property testing device comprises the following steps: Testing pressure: Place the sample plate on top of the support frame 31, rotate the knob to drive the second threaded rod 34 to rotate, the second threaded rod 34 drives the connecting plate 32 to move vertically, the connecting plate 32 drives the support frame 31 and the sample plate to move vertically, and adjust the sample plate to a suitable height; The second L-shaped plate 217 is driven downward by controlling the second electric push rod 219 to extend, and the second L-shaped plate 217 drives the positioning plate 215 and the positioning rod 216 to move downward, so that the positioning rod 216 is inserted into the tooth groove 212, and the vertical plate 210 and the single-axis motor 23 are positioned. The vertical tube 26 is driven downward by controlling the first electric push rod 25 to move downward, and the vertical tube 26 drives the inclined plate 223 and the pressing plate 220 to move downward. The pressing plate 220 presses the sample until the sample is broken. The pressure on the first electric push rod 25 is detected by the pressure sensor 24, and the information is fed back to the controller 37, and the pressure value of the sample is displayed on the display screen; Drilling detection: Move the monitoring device, align the center of the square hole 28 with the ground to be detected, and drive the vertical pipe 26 and the pressure plate 220 to move upward and return to their positions by controlling the operation of the first electric push rod 25. Drive the second L-shaped plate 217, the positioning plate 215 and the positioning rod 216 to move upward by controlling the operation of the second electric push rod 219, so that the positioning rod 216 is separated from the tooth groove 212. When the positioning plate 215 moves, it simultaneously drives the first L-shaped plate 214 and the gear 213 to move upward, so that the gear 213 moves to the inner cavity of the transverse groove 211, and the gear 213 is meshed with the tooth groove 212. The pressure sensor 24, the first electric push rod 25 and the gear 213 are driven to rotate by controlling the operation of the single-axis motor 23. The gear 213 is meshed with the tooth groove 212, and the single-axis motor 23 is driven to move to the left, so that the vertical pipe 26 moves to the top of the center of the square hole 28. The linear motor 20 is controlled to drive the sliding The seat 21 and the cross plate 22 move downward, thereby driving the vertical pipe 26 to move downward, and then the double-axis motor 224 is controlled to operate to drive the first threaded rod 225 to rotate, and the first threaded rod 225 thread drives the driving plate 226 to move horizontally, and the two driving plates 226 drive the two pressing plates 220 to separate, and the pressing plate 220 pulls the drill rod 27 to move downward through the inclined plate 223 and the connecting block 222, so that the bottom of the drill rod 27 extends out of the vertical pipe 26, and then the second electric push rod 219 is controlled to operate, so that the gear 213 moves downward and separates from the tooth groove 212, so that the positioning plate 215 drives the positioning rod 216 to insert into the inner cavity of the tooth groove 212, and the single-axis motor 23 is locked. By controlling the operation of the single-axis motor 23 to drive the first electric push rod 25, the vertical pipe 26 and the drill rod 27 to rotate, the first electric push rod 25 is controlled to extend, and the drill rod 27 is driven to move downward to contact the ground, and the ground drilling is detected to detect the hardness of the ground.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] Obviously, the embodiments described above are only some embodiments of the present invention, rather than all embodiments. The preferred embodiments of the present invention are given in the accompanying drawings, but they do not limit the patent scope of the present invention. The present invention can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive. Although the present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific embodiments, or to perform equivalent replacements for some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of the present invention, directly or indirectly used in other related technical fields, is also within the scope of patent protection of the present invention.

Claims

1. A foam lightweight soil mechanical properties testing device, characterized in that: The invention comprises a bottom plate (1), the top of the bottom plate (1) is connected to a detection mechanism (2), the detection mechanism (2) comprises a linear motor (20), the bottom of the linear motor (20) is connected to the bottom plate (1), a sliding seat (21) is sleeved on the surface of the linear motor (20), a horizontal plate (22) is connected to the right side of the sliding seat (21), a single-axis motor (23) is arranged above the horizontal plate (22), the rotating shaft of the single-axis motor (23) is connected to a pressure sensor (24), the bottom of the pressure sensor (24) is connected to a first electric push rod (25), the bottom of the first electric push rod (25) is connected to a vertical pipe (26), and the inner cavity of the vertical pipe (26) is provided with a drill rod (27).

2. A foam lightweight soil mechanical properties testing device according to claim 1, characterized in that: A square hole (28) is provided at the top of the bottom plate (1); U-shaped plates (29) are sleeved on both the front and rear sides of the horizontal plate (22); a vertical plate (210) is connected to the top of the U-shaped plate (29); the top of the vertical plate (210) is connected to the single-axis motor (23); a horizontal groove (211) is provided at the top of the horizontal plate (22); and the first electric push rod (25) passes through the horizontal groove (211) and is movably connected to the horizontal groove (211).

3. A foam lightweight soil mechanical properties testing device according to claim 2, characterized in that: The inner wall of the transverse groove (211) is provided with a tooth groove (212); a gear (213) is sleeved on the surface of the first electric push rod (25); a first L-shaped plate (214) is connected to the bottom of the gear (213); a top of the first L-shaped plate (214) passes through the transverse groove (211) and is movably connected to the transverse groove (211); a positioning plate (215) is connected to one side of the first L-shaped plate (214); and a positioning rod (216) is connected to the bottom of the positioning plate (215).

4. A foam lightweight soil mechanical properties testing device according to claim 3, characterized in that: The top of the positioning plate (215) is connected to a second L-shaped plate (217), a first guide hole (218) is provided on the surface of the vertical plate (210), one side of the second L-shaped plate (217) passes through the first guide hole (218) and is movably connected to the first guide hole (218), the top of the second L-shaped plate (217) is connected to a second electric push rod (219), and one side of the second electric push rod (219) is connected to the vertical plate (210).

5. A foam lightweight soil mechanical properties testing device according to claim 4, characterized in that: The bottom of the vertical tube (26) contacts a pressing plate (220), and second guide holes (221) are formed on both sides of the vertical tube (26). Connecting blocks (222) are connected to both sides of the drill rod (27). The side of the connecting block (222) away from the drill rod (27) passes through the second guide hole (221) and is connected to an inclined plate (223) via a rotating shaft. The bottom of the inclined plate (223) is connected to the pressing plate (220) via a rotating shaft.

6. A foam lightweight soil mechanical properties testing device according to claim 5, characterized in that: A dual-axis motor (224) is connected to the surface of the vertical tube (26); the rotating shaft of the single-axis rotating shaft motor (23) is connected to a first threaded rod (225); a driving plate (226) is threadedly sleeved on the surface of the first threaded rod (225); the bottom of the driving plate (226) is connected to the pressing plate (220); and one side of the first threaded rod (225) is connected to a limiting block.

7. A foam lightweight soil mechanical properties testing device according to claim 6, characterized in that: The right side of the bottom plate (1) is connected to a support mechanism (3), the support mechanism (3) comprising a detection box (30), one side of the detection box (30) being connected to the bottom plate (1), the inner cavity of the detection box (30) being provided with a support frame plate (31), the top of the support frame plate (31) being connected to a connecting plate (32), the connecting plate (32) extending away from a side of the support frame plate (31) to the outside of the detection box (30), both sides of the detection box (30) being connected to pads (33), the top of the pads (33) being connected to a second threaded rod (34), the top of the second threaded rod (34) penetrating the connecting plate (32) and being threadedly connected to the connecting plate (32).

8. A foam lightweight soil mechanical properties testing device according to claim 7, characterized in that: A knob is connected to the top of the second threaded rod (34), guide grooves (35) are provided on both sides of the top of the detection box (30), the guide grooves (35) are used in conjunction with the connecting plate (32), and a drawer (36) is provided in the inner cavity of the detection box (30), one side of the drawer (36) passes through to the outside of the detection box (30).

9. A foam lightweight soil mechanical properties testing device according to claim 8, characterized in that: A handle is connected to the surface of the drawer (36), a controller (37) is connected to the surface of the detection box (30), a display screen is inlaid on the surface of the controller (37), and universal wheels (38) are connected to the bottom of the bottom plate (1) and the detection box (30).

10. The method for using the foam lightweight soil mechanical properties testing device according to claim 9, characterized in that: The following steps are involved: Testing pressure: placing the sample plate on top of the support frame plate (31), rotating the knob to drive the second threaded rod (34) to rotate, the second threaded rod (34) threads drive the connecting plate (32) to move vertically, the connecting plate (32) drives the support frame plate (31) and the sample plate to move vertically, and adjusting the sample plate to a suitable height; The second electric push rod (219) is controlled to extend and drive the pressing plate (220) to move downward, and the pressing plate (220) presses and holds the sample until the sample is broken, and the pressure applied to the first electric push rod (25) is detected by the pressure sensor (24), and the information is fed back to the controller (37), and the value of the pressure applied to the sample is displayed on the display screen; Drilling detection: adjusting the position of the drill rod (27), controlling the single-axis motor (23) to drive the first electric push rod (25), the vertical pipe (26) and the drill rod (27) to rotate, controlling the first electric push rod (25) to extend, driving the drill rod (27) to move downward to contact the ground, and performing drilling detection on the ground to detect the hardness of the ground.

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