Foundation soil sampling device for water conservancy and hydropower engineering

Abstract

The invention discloses a foundation soil sampling device for water conservancy and hydropower engineering, and relates to the field of soil samplers, the foundation soil sampling device comprises an operating handle, a connecting lever is fixedly mounted on the operating handle, an inserting rod is fixedly mounted at the bottom of the connecting lever, an adjusting cylinder wraps the outer side of the inserting rod, and a containing opening is formed in the circumferential outer wall of the adjusting cylinder; a sampling seat is fixedly mounted at the bottom of the adjusting cylinder and comprises a soil taking cylinder fixedly welded to the adjusting cylinder, a spiral cutter is fixedly mounted on the circumferential outer wall of the soil taking cylinder, and a tip part is fixedly arranged at the bottom of the soil taking cylinder. According to the foundation soil sampling device for the water conservancy and hydropower engineering, the operation handle and the sampling seat are combined together in a splicing manner to form the soil sampler, and due to the design, the size and the weight are relatively reduced during actual use, so that the foundation soil sampling device is easier to carry; no matter whether a person steps to the field for sampling or is transported to a far place through a vehicle, loading and carrying can be more convenient, and the burden of an operator is relieved.

Description

Technical Field

[0001] The invention relates to the field of soil samplers, in particular to a foundation soil sampling device used for water conservancy and hydropower engineering. Background Art

[0002] At present, soil collection equipment is used for soil survey in water conservancy and hydropower projects. However, the existing soil collection equipment usually uses artificial force to the ground surface so that it can drive the cone and the sampling device to slide to the ground surface to perform soil sampling. Such soil collection devices are not only less effective, but also more labor-intensive. At the same time, the existing soil collection equipment is not convenient for collecting the horizontal soil underground, which results in the need for the soil collection equipment to change its position so that it can collect the soil again.

[0003] Regarding the patent of soil sampling device, after searching, the announcement number CN221148128U discloses a soil sampling device for water conservancy and hydropower engineering survey, which includes a mounting plate and a top plate, a driving motor is fixed to the top of one side of the top plate, a connecting rod is fixed to the driving end of the driving motor, a connecting rod is fixed to the driving end of the connecting rod, a driving gear is fixed to the other end of the connecting rod, the outer wall of the driving gear is meshed and connected with a driven gear, a mounting rod is fixed at the center of the driven gear, and a pointed cone is fixed to the bottom end of the mounting rod; the utility model is through the driving motor, the driving gear, The driven gear, the mounting rod and the pointed cone cooperate with each other, thereby driving the pointed cone to rotate, and then the pointed cone can drive the mounting rod to slide to the ground surface, so that soil can be collected without manual force, thereby improving the efficiency of soil collection; through the mutual cooperation of the handle, the rotating rod, the active bevel gear, the driven bevel gear, the threaded rod, the sliding block and the sampling tube, the sampling tube can be driven to slide horizontally, thereby detecting the soil horizontally on the ground surface, and there is no need to change the position of the soil collection equipment to collect the soil again.

[0004] Although the above-mentioned device can be used to sample soil, in actual use, the soil is usually sampled outdoors on rugged mountain roads. Due to the heavy motor and bracket, it may take a lot of manpower, material resources and time to move the large equipment to the outdoor sampling site; especially in areas with complex terrain or inconvenient transportation, the transportation is more difficult; it is very difficult to use. Summary of the invention

[0005] The object of the present invention is to provide a foundation soil sampling device for water conservancy and hydropower engineering to solve the defects mentioned in the above background technology.

[0006] To achieve the above-mentioned purpose, a foundation soil sampling device for water conservancy and hydropower engineering is provided, including an operating handle, a connecting rod is fixedly installed on the operating handle, a plug-in rod is fixedly installed on the bottom of the connecting rod, an adjusting cylinder is wrapped on the outside of the plug-in rod, a accommodating opening is opened on the circumferential outer wall of the adjusting cylinder, a sampling seat is fixedly installed on the bottom of the adjusting cylinder, the sampling seat includes a soil sampling cylinder welded and fixed to the adjusting cylinder, a spiral knife is fixedly installed on the circumferential outer wall of the soil sampling cylinder, and a pointed end is fixedly provided on the bottom of the soil sampling cylinder.

[0007] Furthermore, the operating handle includes a connecting rod, a plug-in rod, an adjusting cylinder, a receiving port, a fixing nut and a fixing stud. The bottom of the connecting rod is plugged into the interior of the adjusting cylinder through the plug-in rod, and two groups of fixing studs are evenly installed on the circumferential outer wall of one end of the plug-in rod away from the connecting rod; the axial section of the connecting rod, the plug-in rod, the adjusting cylinder and the sampling seat is a concentric circle structure; the operating handle is arranged in a "T" shape, and multiple groups of anti-slip strips are arranged on both sides of the operating handle.

[0008] Furthermore, the fixing studs are adapted to the size of the accommodating openings opened on the circumferential outer wall of the adjusting cylinder, two sets of fixing studs pass through the accommodating openings and are screwed and fixed with the fixing nuts, and the position of the plug-in rod inserted into the adjusting cylinder is locked by the two sets of fixing studs and the fixing nuts; accommodating openings are opened on both sides of the adjusting cylinder.

[0009] Furthermore, the sampling seat includes a locking groove, a connecting groove, a falling groove, a foot pedal and a soil sampling tube. The locking groove, the connecting groove and the falling groove are opened on the circumferential outer wall of the sampling seat; the locking groove, the connecting groove and the falling groove are arranged in a "U" shape, and the locking groove is connected with the falling groove through the connecting groove.

[0010] Furthermore, the length of the locking groove is smaller than that of the falling groove, the widths of the falling groove and the locking groove are consistent, a connecting seat is inserted into the interior of the locking groove, one end of the connecting seat is fixedly connected to a pedal, and the other end of the connecting seat is fixedly installed with a connecting rod.

[0011] Furthermore, a fixing seat is fixedly mounted on one end of the connecting rod away from the connecting seat, a soil pushing seat is fixedly arranged on the bottom of the fixing seat, and the soil pushing seat is arranged inside the soil taking tube.

[0012] Furthermore, the soil pushing seat is fixedly connected to the pedal via a fixed seat, a connecting rod, and a connecting seat, and the bottom section of the soil pushing seat is conical; the angle between the pedal and the sampling seat is 90 degrees, and the cross section of the pedal is rectangular.

[0013] Furthermore, the soil pushing seat is a lifting structure inside the soil collecting tube, the axial sections of the soil pushing seat and the soil collecting tube are concentric circle structures, and the soil pushing seat is slidably arranged on the inner wall of the soil collecting tube.

[0014] Furthermore, the soil collecting tube comprises a spiral blade, a tip and a vent. The vent is provided on the circumferential outer wall of the soil collecting tube. The tip is fixedly mounted at the end of the soil collecting tube, and the tip is truncated in a cone shape. The soil pushing seat moves downward inside the soil collecting tube to discharge the soil inside the tube.

[0015] Furthermore, a spiral cutter is fixedly arranged on the circumferential outer wall of the soil collecting cylinder, and a blade is arranged at the end of the spiral cutter.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention forms a soil sampler by assembling an operating handle and a sampling seat. This design is relatively small in size and weight when actually used, and is easier to carry. Whether it is for sampling in the field on foot or for transporting to a remote location by vehicle, it can be loaded and carried more conveniently, reducing the burden on operators and improving travel convenience. When it is necessary to travel long distances to remote areas for soil sampling, the two sets of components can be placed in different positions of a backpack or vehicle for easy carrying.

[0018] 2. The present invention can take out the soil inside the soil taking tube by moving the soil pushing seat from top to bottom inside the soil taking tube to complete the rapid sampling work. The structure of taking soil inside the soil taking tube is combined with the foot pedal of the present device, and there is no need to install a push rod on the operating handle. During processing and manufacturing, its structure is more concise and more convenient to use. With the help of the power of stepping on the foot pedal, the soil taking tube can be pressed into the soil more easily. Compared with relying solely on the strength of the hands, the labor intensity can be effectively reduced, especially when collecting deeper or harder soil samples, the labor-saving effect is more obvious, thereby improving the sampling efficiency.

[0019] 3. The distance between the operating handle and the sampling seat of the present invention can be adjusted through the accommodating port, the fixing nut, and the fixing stud, so as to adapt to users of different heights; different operators have different heights, and by adjusting the height of the device, everyone can find the most comfortable operating posture, reduce fatigue and operating inconvenience caused by improper posture, and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable those skilled in the relevant art to make and use the invention.

[0021] Figure 1 It is a front view schematic diagram of the structure of the present invention;

[0022] Figure 2 A bottom view of the structure of the present invention;

[0023] Figure 3 A schematic diagram of the sampling seat structure of the present invention;

[0024] Figure 4 The structure of the present invention Figure 1 Bottom view of

[0025] Figure 5 The structure of the present invention Figure 3 Bottom view of

[0026] Figure 6 The structure of the present invention Figure 3 A cross-sectional view of

[0027] Figure 7 The structure of the present invention Figure 6 Side view of

[0028] Figure 8 The structure of the present invention Figure 6 Rear view of

[0029] Fig. 9 The structure of the present invention Figure 3 Side view of.

[0030] [reference numerals]

[0031] 1. Operating handle; 11. Connecting lever; 12. Plug-in rod; 13. Adjusting cylinder; 14. Receiving port; 15. Fixing nut; 16. Fixing stud; 2. Sampling seat; 21. Locking slot; 22. Connecting slot; 23. Dropping slot; 24. Foot pedal; 241. Connecting seat; 242. Connecting rod; 243. Fixing seat; 244. Soil pushing seat; 25. Soil taking cylinder; 251. Spiral knife; 2511. Blade; 252. Tip; 253. Vent. DETAILED DESCRIPTION

[0032] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0033] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0034] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0035] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0036] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0037] Specific implementation method 1: Please refer to Figure 1-Figure 6 The present invention provides a technical solution: a foundation soil sampling device for water conservancy and hydropower engineering, comprising an operating handle 1, a connecting rod 11 is fixedly installed on the operating handle 1, a plug-in rod 12 is fixedly installed at the bottom of the connecting rod 11, an adjusting cylinder 13 is wrapped around the outer side of the plug-in rod 12, a accommodating port 14 is opened on the circumferential outer wall of the adjusting cylinder 13, a sampling seat 2 is fixedly installed at the bottom of the adjusting cylinder 13, the sampling seat 2 comprises a soil sampling cylinder 25 welded and fixed to the adjusting cylinder 13, a spiral knife 251 is fixedly installed on the circumferential outer wall of the soil sampling cylinder 25, and a tip 252 is fixedly provided at the bottom of the soil sampling cylinder 25.

[0038] like Figure 1 and Figure 2As shown, specific implementation mode 2: This implementation mode is a further limitation of specific implementation mode 1, the operating handle 1 includes a connecting rod 11, a plug-in rod 12, an adjusting cylinder 13, a receiving port 14, a fixing nut 15 and a fixing stud 16, the bottom of the connecting rod 11 is plugged into the inside of the adjusting cylinder 13 through the plug-in rod 12, and two groups of fixing studs 16 are evenly installed on the circumferential outer wall of one end of the plug-in rod 12 away from the connecting rod 11; the axial section of the connecting rod 11, the plug-in rod 12, the adjusting cylinder 13 and the sampling seat 2 is a concentric circle structure; the operating handle 1 is set in a "T" shape, and multiple groups of anti-slip strips are set on both sides of the operating handle 1.

[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, specific implementation method three: This implementation method is a further limitation of specific implementation method two, the fixing studs 16 are adapted to the size of the accommodating opening 14 opened on the circumferential outer wall of the adjusting cylinder 13, two groups of fixing studs 16 pass through the accommodating opening 14 and are screwed and fixed with the fixing nuts 15, and the position where the plug-in rod 12 is inserted into the adjusting cylinder 13 is locked by the two groups of fixing studs 16 and the fixing nuts 15; the accommodating openings 14 are opened on both sides of the adjusting cylinder 13.

[0040] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, specific implementation mode four: This implementation mode is a further limitation of specific implementation mode one, the sampling seat 2 includes a locking groove 21, a connecting groove 22, a falling groove 23, a foot pedal 24 and a soil sampling tube 25, and the locking groove 21, the connecting groove 22 and the falling groove 23 are provided on the circumferential outer wall of the sampling seat 2; the locking groove 21, the connecting groove 22 and the falling groove 23 are arranged in a "U" shape, and the locking groove 21 is connected with the falling groove 23 through the connecting groove 22.

[0041] like Figure 3 , Figure 4 and Figure 5 As shown, specific implementation mode five: This implementation mode is a further limitation of specific implementation mode four, the length of the locking groove 21 is smaller than the length of the falling groove 23, the width of the falling groove 23 and the locking groove 21 are consistent, a connecting seat 241 is inserted into the interior of the locking groove 21, one end of the connecting seat 241 is fixedly connected to the pedal 24, and the other end of the connecting seat 241 is fixedly installed with a connecting rod 242.

[0042] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9As shown, specific embodiment six: this embodiment is a further limitation of specific embodiment five, a fixing seat 243 is fixedly installed on one end of the connecting rod 242 away from the connecting seat 241, a soil pushing seat 244 is fixedly provided on the bottom of the fixing seat 243, and the soil pushing seat 244 is arranged inside the soil taking tube 25.

[0043] like Figure 7 As shown, specific implementation mode seven: This implementation mode is a further limitation of specific implementation mode six, the soil pushing seat 244 is fixedly connected to the pedal 24 through the fixed seat 243, the connecting rod 242, and the connecting seat 241, and the bottom cross-section of the soil pushing seat 244 is conical; the angle between the pedal 24 and the sampling seat 2 is 90 degrees, and the cross-section of the pedal 24 is rectangular.

[0044] like Figure 7 As shown, specific embodiment eight: This embodiment is a further limitation of specific embodiment six, the soil pushing seat 244 is a lifting structure inside the soil taking tube 25, the axial section of the soil pushing seat 244 and the soil taking tube 25 is a concentric circle structure, and the soil pushing seat 244 is slidably set on the inner wall of the soil taking tube 25.

[0045] Working principle: When sampling, hold the operating handle 1, and make the soil sampling tube 25 90 degrees to the ground. The bottom of the soil sampling tube 25 is provided with a tip portion 252, which is convenient for inserting the tip portion 252 into the soil. Rotate the operating handle 1, and the spiral knife 251 on the outside of the soil sampling tube 25 rotates, and the blade 2511 thereon is shoveled into the ground in a spiral manner; so that the soil can quickly and labor-savingly enter the soil sampling tube 25; after completing the sampling work, when actually sampling, the foot pedal 24 can be stepped on to apply pressure to the soil sampling tube 25, so that the soil sampling tube 25 can sample the soil more labor-savingly and quickly; when the soil sampling tube 25 is sampled, the foot pedal 24 is moved upwards so that the connecting seat 241 enters the interior of the drop groove 23 from the locking groove 21 and the connecting groove 22, so that the connecting seat 241 moves from top to bottom in the drop groove 23, and at the same time, the soil pushing seat 244 moves from top to bottom in the soil taking tube 25, so that the soil in the soil taking tube 25 can be taken out to complete the rapid sampling work. The structure of taking soil in the soil taking tube 25 is combined with the foot pedal 24 of the device, and there is no need to install a pushing rod on the operating handle 1. During processing and manufacturing, its structure is simpler and more convenient to use. With the help of the power of stepping on the foot pedal 24, the soil taking tube 25 can be pressed into the soil more easily, which can effectively reduce the labor intensity compared with relying solely on the hand strength, especially when collecting deeper or harder soil samples, and the labor-saving effect is achieved. The more obvious, the higher the sampling efficiency; when sampling a large area of ​​soil in the field, the use of the pedal 24 to assist can reduce the fatigue of the staff, so that they can perform the sampling work more persistently; holding the operating handle 1, the operating handle 1 is rotated, at this time the spiral knife 251 and the blade 2511 are screwed into the ground by rotation, and the soil in the ground is sampled; the distance between the operating handle 1 and the sampling seat 2 can be adjusted by the receiving port 14, the fixing nut 15, and the fixing stud 16, so as to adapt to users of different heights; different operators have different heights, and by adjusting the height of the device, everyone can find the most comfortable operating posture, reduce fatigue and inconvenience caused by improper posture, and improve High work efficiency; for example, taller people can adjust the device higher to avoid bending too low; shorter people can adjust it lower to make the operation more handy; different soil research or testing projects may require the collection of soil samples at different depths; the height-adjustable device allows the operator to easily adjust the sampling depth according to actual needs to ensure that soil samples are collected at the correct location; when studying the layered structure of soil, the soil sampling tube 25 can be accurately controlled to reach a specific depth to obtain soil at different levels; when taking soil samples in different terrain environments in the field, such as on hillsides, valleys or uneven ground, by adjusting the height of the device, the soil sampling tube 25 can be kept horizontal or at a suitable angle to the ground, which is convenient for smooth insertion into the soil and improves the accuracy and success rate of sampling;For example, on a sloping hillside, the height of the device can be adjusted so that the soil sampling tube 25 is perpendicular to the slope surface for sampling; the operating handle 1 and the sampling seat 2 are assembled together to form a soil sampler. This design is relatively small in size and weight when actually used, making it easier to carry; whether it is hiking to the field to sample or transporting to a distant location by vehicle, it can be more convenient to load and carry, reducing the burden on operators and improving travel convenience; when it is necessary to travel long distances to remote areas for soil sampling, the two sets of components can be placed in different positions of a backpack or vehicle for easy carrying; the operating handle 1 and the sampling seat 2 can be flexibly combined according to different sampling needs or work scenarios; in some cases, only one set may be needed for simple surface soil sampling, or the two sets may be combined with other auxiliary equipment to achieve more diverse sampling functions and expand the application range of the device; in addition, when one set of components is damaged and cannot be used, the other set can still be used alone or as a spare part, increasing the flexibility and reliability of the device. ;

[0046] like Figure 5 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, specific embodiment nine: This embodiment is a further limitation of specific embodiment eight, the soil collecting tube 25 includes a spiral knife 251, a tip portion 252 and a vent 253, the circumferential outer wall of the soil collecting tube 25 is provided with a vent 253, the end of the soil collecting tube 25 is fixedly mounted with a tip portion 252, and the tip portion 252 is truncated cone-shaped; the soil pushing seat 244 moves downward inside the soil collecting tube 25 to discharge the soil inside the soil collecting tube 25.

[0047] like Figure 8 and Fig. 9 As shown, the tenth embodiment is a further limitation of the ninth embodiment. A spiral knife 251 is fixedly provided on the circumferential outer wall of the soil taking tube 25 , and a blade 2511 is provided at the end of the spiral knife 251 .

[0048] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0049] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A soil sampling device for foundation of a water conservancy and hydropower project, comprising an operating handle (1), characterized in that: The operating handle (1) is fixedly mounted with a connecting rod (11), the bottom of the connecting rod (11) is fixedly mounted with a plug-in rod (12), the outer side of the plug-in rod (12) is wrapped with an adjusting cylinder (13), the circumferential outer wall of the adjusting cylinder (13) is provided with a receiving opening (14), the bottom of the adjusting cylinder (13) is fixedly mounted with a sampling seat (2), the sampling seat (2) comprises a soil sampling cylinder (25) welded and fixed to the adjusting cylinder (13), a spiral knife (251) is fixedly mounted on the circumferential outer wall of the soil sampling cylinder (25), and a tip portion (252) is fixedly provided at the bottom of the soil sampling cylinder (25).

2. A foundation soil sampling device for water conservancy and hydropower engineering according to claim 1, characterized in that: The operating handle (1) comprises a connecting rod (11), a plug-in rod (12), an adjusting tube (13), a receiving port (14), a fixing nut (15) and a fixing stud (16); the bottom of the connecting rod (11) is plugged into the inside of the adjusting tube (13) through the plug-in rod (12); two groups of fixing studs (16) are evenly mounted on the circumferential outer wall of one end of the plug-in rod (12) away from the connecting rod (11); the axial cross-section of the connecting rod (11), the plug-in rod (12), the adjusting tube (13) and the sampling seat (2) is a concentric circle structure; the operating handle (1) is arranged in a "T" shape, and a plurality of groups of anti-slip strips are arranged on both sides of the operating handle (1).

3. A foundation soil sampling device for water conservancy and hydropower engineering according to claim 2, characterized in that: The fixing studs (16) are matched in size to the receiving opening (14) provided on the outer circumferential wall of the adjusting tube (13); two groups of fixing studs (16) pass through the receiving opening (14) and are screwed and fixed to the fixing nuts (15); the position where the plug-in rod (12) is inserted into the adjusting tube (13) is locked by the two groups of fixing studs (16) and the fixing nuts (15); and receiving openings (14) are provided on both sides of the adjusting tube (13).

4. The foundation soil sampling device for water conservancy and hydropower engineering according to claim 1 is characterized by: The sampling seat (2) comprises a locking groove (21), a connecting groove (22), a drop groove (23), a foot pedal (24) and a soil sampling tube (25); the locking groove (21), the connecting groove (22) and the drop groove (23) are provided on the circumferential outer wall of the sampling seat (2); the locking groove (21), the connecting groove (22) and the drop groove (23) are arranged in a "U" shape, and the locking groove (21) is connected to the drop groove (23) through the connecting groove (22).

5. A foundation soil sampling device for water conservancy and hydropower engineering according to claim 4, characterized in that: The length of the locking groove (21) is smaller than the length of the falling groove (23), the widths of the falling groove (23) and the locking groove (21) are the same, a connecting seat (241) is inserted into the interior of the locking groove (21), one end of the connecting seat (241) is fixedly connected to a pedal (24), and the other end of the connecting seat (241) is fixedly installed with a connecting rod (242).

6. A foundation soil sampling device for water conservancy and hydropower engineering according to claim 5, characterized in that: A fixing seat (243) is fixedly mounted on one end of the connecting rod (242) away from the connecting seat (241), a soil pushing seat (244) is fixedly arranged at the bottom of the fixing seat (243), and the soil pushing seat (244) is arranged inside the soil taking tube (25).

7. A foundation soil sampling device for water conservancy and hydropower engineering according to any one of claims 1 or 6, characterized in that: The soil pushing seat (244) is fixedly connected to the pedal (24) via a fixed seat (243), a connecting rod (242), and a connecting seat (241); the bottom cross-section of the soil pushing seat (244) is conical; the angle between the pedal (24) and the sampling seat (2) is 90 degrees, and the cross-section of the pedal (24) is rectangular.

8. A foundation soil sampling device for water conservancy and hydropower engineering according to any one of claims 6 or 7, characterized in that: The soil pushing seat (244) is a lifting structure inside the soil taking tube (25), the axial sections of the soil pushing seat (244) and the soil taking tube (25) are concentric circles, and the soil pushing seat (244) is slidably arranged on the inner wall of the soil taking tube (25).

9. A foundation soil sampling device for water conservancy and hydropower engineering according to claim 8, characterized in that: The soil collecting tube (25) comprises a spiral blade (251), a tip portion (252) and a vent (253); the vent (253) is provided on the circumferential outer wall of the soil collecting tube (25); the tip portion (252) is fixedly mounted at the end of the soil collecting tube (25); the tip portion (252) is truncated in shape; the soil pushing seat (244) moves downward inside the soil collecting tube (25) to discharge the soil inside the soil collecting tube (25).

10. A foundation soil sampling device for water conservancy and hydropower engineering according to claim 9, characterized in that: A spiral knife (251) is fixedly arranged on the circumferential outer wall of the soil extraction cylinder (25), and a blade (2511) is arranged at the end of the spiral knife (251).

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