Deep mass sampling device for geotechnical engineering investigation

Abstract

The utility model relates to the technical field of geotechnical engineering survey, and provides a geotechnical engineering survey deep mass sampling device which comprises a base and a vertical frame, the vertical frame is fixed on the surface of the base, a lifting control assembly is arranged between the vertical frame and a drilling sleeve, and a positioning fixing assembly is arranged on the surface of the base. The sampling and taking-out assembly is arranged in the drilling sleeve, the sampling and taking-out assembly is arranged in the drilling sleeve, the sampling and taking-out assembly comprises a top shell, the top shell is fixed to the top of the drilling sleeve, and a driving motor is arranged at the top of the top shell. By means of the technical scheme, the problems that most existing sampling devices in the related technology are not convenient to sample rock soil on a large scale, consequently, rock soil detection data are not accurate enough, and engineering exploration preciseness is greatly affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of geotechnical engineering survey, and specifically to a deep-level and large-scale sampling device for geotechnical engineering survey. Background Art

[0002] Geotechnical engineering investigation refers to the activities of identifying, analyzing, and evaluating the geological, environmental characteristics and geotechnical conditions of the construction site and compiling investigation documents according to the requirements of the construction project. The purpose of geotechnical engineering investigation is to: use testing means and methods to investigate, study, analyze and judge the construction site, study the geological conditions for the construction of various engineering buildings and the impact of construction on the natural geological environment; study the measures to ensure the strength and stability of the foundation and prevent it from unacceptable deformation when the foundation, base and superstructure work together; propose the bearing capacity of the foundation, provide the project address and geotechnical engineering data required for foundation design and construction, and, when necessary, foundation reinforcement.

[0003] In geotechnical engineering surveys, it is often necessary to conduct deep sampling of rock and soil to test the deep rock and soil. Most existing sampling devices are not convenient for large-scale sampling of rock and soil, resulting in inaccurate data for geotechnical testing, which greatly affects the rigor of engineering surveys.

[0004] Therefore, improvements are made to address the above problems. Utility Model Content

[0005] The utility model proposes a deep-level large-scale sampling device for geotechnical engineering investigation, which solves the problem that most existing sampling devices in the relevant technology are not convenient for large-scale sampling of geotechnical, resulting in inaccurate data for geotechnical detection, which greatly affects the rigor of engineering investigation.

[0006] The technical solution of the utility model is as follows:

[0007] A base and a vertical frame, wherein the vertical frame is fixed to the surface of the base;

[0008] A drilling sleeve and a lifting control assembly, wherein the lifting control assembly is arranged between the vertical frame and the drilling sleeve;

[0009] A positioning and fixing component, wherein the positioning and fixing component is arranged on the surface of the base;

[0010] The sampling and bringing out component is arranged inside the drilling sleeve, and the sampling and bringing out component comprises a top shell, and the top shell is fixed on the top of the drilling sleeve, and a driving motor is arranged on the top of the top shell.

[0011] As a further technical solution, a spiral sampler is rotatably connected inside the drilling sleeve, and the spiral sampler is connected to the output end of the driving motor. An inlet is provided on the outer surface of the drilling sleeve, and a drill bit is rotatably connected inside the bottom of the drilling sleeve, and the drill bit is connected to the lower end of the spiral sampler.

[0012] As a further technical solution, the lifting control assembly includes a pair of synchronous screws, which are rotatably connected in the vertical frame, and a lifting frame is vertically slidably connected in the vertical frame. The lifting frame is connected to the synchronous screws by threaded cooperation.

[0013] As a further technical solution, the lifting frame is fixedly connected to the outer surface of the drilling sleeve, the side surface of the vertical frame is rotatably connected to a transmission shaft, both ends of the transmission shaft and the upper end of the synchronous screw are provided with a first gear, the side surface of the vertical frame is provided with a second motor, and a second gear is provided at the output end of the second motor and the outside of the transmission shaft.

[0014] As a further technical solution, the positioning and fixing assembly includes a pair of base frames, a second screw is rotatably connected between the base frames and the base, a cross plate is slidably connected inside the base frames, the cross plate and the second screw are connected by threaded cooperation, a pair of circular holes are opened on the surface of the base, a positioning rod is arranged on the bottom surface of the cross plate, and the positioning rod is movably mounted in the circular hole.

[0015] As a further technical solution, movable legs are provided at four relative corners of the bottom surface of the base.

[0016] As a further technical solution, both the first gear and the second gear are bevel gears.

[0017] As a further technical solution, one side of the top shell is an open structure, and the top of the opening portion of the top shell is an inclined opening structure.

[0018] The working principle and beneficial effects of the utility model are:

[0019] The utility model is provided with a sampling and carrying out component. Through the interaction of the top shell, the driving motor, the spiral sampler, the sampling port and the drill bit and other structures, the drilling sleeve can penetrate into the rock and soil layer. The rock and soil layer enters the drilling sleeve through the sampling port and continues to move upward with the spiral sampler. The rock and soil can be continuously carried out to carry out batch sampling. With the different depths in the deep rock and soil, samples of corresponding depths can be taken out and continuously discharged outwards at the top shell, which is convenient for collecting samples and has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is the axonometric drawing of the utility model;

[0023] Figure 3 This is an axonometric drawing from another perspective of the present invention;

[0024] Figure 4 This is a cross-sectional view of the utility model;

[0025] In the figure: 1. base; 2. vertical frame; 3. drilling sleeve; 4. sampling and taking out assembly; 4-1. top shell; 4-2. driving motor; 4-3. spiral sampler; 4-4. injection port; 4-5. drill bit; 5. lifting control assembly; 5-1. synchronous screw; 5-2. lifting frame; 5-3. transmission shaft; 5-4. first gear; 5-5. second motor; 5-6. second gear; 6. positioning and fixing assembly; 6-1. base frame; 6-2. second screw; 6-3. horizontal plate; 6-4. round hole; 6-5. positioning rod; 7. moving leg. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1~Figure 4 As shown, this embodiment provides a deep-level large-scale sampling device for geotechnical engineering investigation, including

[0028] A base 1 and a vertical frame 2, wherein the vertical frame 2 is fixed on the surface of the base 1;

[0029] A drilling sleeve 3 and a lifting control assembly 5, wherein the lifting control assembly 5 is arranged between the vertical frame 2 and the drilling sleeve 3;

[0030] A positioning and fixing component 6, wherein the positioning and fixing component 6 is arranged on the surface of the base 1;

[0031] The sampling and taking-out component 4 is arranged inside the drilling sleeve 3. The sampling and taking-out component 4 includes a top shell 4-1, which is fixed on the top of the drilling sleeve 3. A driving motor 4-2 is arranged on the top of the top shell 4-1. A spiral sampler 4-3 is rotatably connected in the drilling sleeve 3. The spiral sampler 4-3 is connected to the output end of the driving motor 4-2. An injection port 4-4 is provided on the outer surface of the drilling sleeve 3. A drill bit 4-5 is rotatably connected in the bottom of the drilling sleeve 3. The drill bit 4-5 is connected to the lower end of the spiral sampler 4-3.

[0032] In this embodiment, in order to achieve the effect of sampling rock and soil deeply and in batches, a sampling and carrying component 4 is designed. A top shell 4-1 is arranged on the top of the drilling sleeve 3, and a driving motor 4-2 is installed on the top shell 4-1. A spiral sampler 4-3 is rotatably connected inside. The spiral sampler 4-3 is controlled to rotate by the driving motor 4-2. An inlet 4-4 is provided on the outer surface of the drilling sleeve 3. When the spiral sampler 4-3 rotates, the rock and soil entering through the inlet 4-4 can be carried out upward, and a drill bit 4-5 is arranged at the lower end to make drilling into the rock and soil layer smoother. The carried out rock and soil are discharged outward through the top shell 4-1. When in the rock and soil layer, the rock and soil can be continuously carried out.

[0033] Furthermore, the lifting control assembly 5 includes a pair of synchronous screws 5-1, which are rotatably connected to the vertical frame 2, and a lifting frame 5-2 is vertically slidably connected to the vertical frame 2. The lifting frame 5-2 is connected to the synchronous screw 5-1 by threaded cooperation, and the lifting frame 5-2 is fixedly connected to the outer surface of the drilling sleeve 3. The side surface of the vertical frame 2 is rotatably connected to the transmission shaft 5-3, and both ends of the transmission shaft 5-3 and the upper end of the synchronous screw 5-1 are provided with a first gear 5-4. The side surface of the vertical frame 2 is provided with a second motor 5-5, and a second gear 5-6 is provided at the output end of the second motor 5-5 and the outside of the transmission shaft 5-3.

[0034] In this embodiment, in order to achieve the effect of drilling sleeve 3 going deeper downward, a lifting control assembly 5 is designed. Two synchronous screws 5-1 are rotatably connected inside the vertical frame 2, and a transmission shaft 5-3 is rotatably connected to the top. Both ends of the transmission shaft 5-3 and the upper end of the synchronous screw 5-1 are both arranged on the first gear 5-4. A second motor 5-5 is installed on the outer surface of the vertical frame 2. A second gear 5-6 is arranged on the output end of the second motor 5-5 and the transmission shaft 5-3. The two synchronous screws 5-1 can be driven to rotate synchronously through the first gear 5-4, the second gear 5-6 and the transmission shaft 5-3. The lifting frame 5-2 is connected to the outside of the synchronous screw 5-1 through threaded cooperation. The lifting frame 5-2 is fixedly connected to the drilling sleeve 3, and the lifting and lowering of the drilling sleeve 3 can be controlled by the synchronous screw 5-1.

[0035] Furthermore, the positioning and fixing assembly 6 includes a pair of base frames 6-1, a second screw 6-2 is rotatably connected between the base frame 6-1 and the base 1, a cross plate 6-3 is slidably connected inside the base frame 6-1, the cross plate 6-3 and the second screw 6-2 are connected by threaded cooperation, a pair of circular holes 6-4 are opened on the surface of the base 1, a positioning rod 6-5 is arranged on the bottom surface of the cross plate 6-3, and the positioning rod 6-5 is movably mounted in the circular hole 6-4.

[0036] In this embodiment, in order to achieve the effect of fixing and retaining the base 1, a positioning and fixing component 6 is designed. Two base frames 6-1 are fixedly connected to the surface of the base 1. A second screw 6-2 is rotatably connected between the base frame 6-1 and the base 1 and can be rotated manually. A cross plate 6-3 is connected to the outside of the second screw 6-2 through threaded cooperation. A positioning rod 6-5 is fixedly connected to the bottom of the cross plate 6-3. The positioning rod 6-5 can be moved vertically downward and inserted into the ground to fix the base 1, making it more stable during sampling.

[0037] Furthermore, movable legs 7 are provided at four opposite corners of the bottom surface of the base 1 .

[0038] In this embodiment, by installing movable legs 7 at the four corners of the base 1, the entire device can be supported to move on the ground.

[0039] Furthermore, both the first gear 5 - 4 and the second gear 5 - 6 are bevel gears.

[0040] In this embodiment, through the structure of the bevel gear, the first gear 5-4 and the second gear 5-6 can achieve a 90° transmission effect, and can drive the two synchronous screws 5-1 to rotate synchronously.

[0041] Furthermore, one side of the top shell 4-1 is an open structure, and the top of the opening portion of the top shell 4-1 is an inclined opening structure.

[0042] In this embodiment, the inclined opening structure facilitates the removal of rock and soil.

[0043] When sampling is needed, the legs 7 are moved to the sampling position, the second lead screw 6-2 is turned, and the cross plate 6-3 is controlled to insert the bottom positioning rod 6-5 into the soil layer. The insertion depth is arbitrary. When the base 1 is stable, the drive motor 4-2 and the second motor 5-5 are started. The drive motor 4-2 controls the spiral sampler 4-3 to keep rotating. The second gear 5-6 at the output end of the second motor 5-5 drives the transmission shaft 5-3, and then drives the two synchronous lead screws 5-1 to rotate through the first gear 5-4, driving the lifting frame 5-2 to move the drilling sleeve 3 downward. During the descent, the drill bit 4-5 drills into the ground and continues to move downward. The rock and soil enter the drilling sleeve 3 through the sampling port 4-4, are brought upward with the spiral sampler 4-3, enter the top shell 4-1, and are discharged outward through the opening.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A deep-level large-scale sampling device for geotechnical engineering investigation, characterized in that: include A base (1) and a vertical frame (2), wherein the vertical frame (2) is fixed on the surface of the base (1); A drilling sleeve (3) and a lifting control assembly (5), wherein the lifting control assembly (5) is arranged between the vertical frame (2) and the drilling sleeve (3); A positioning and fixing component (6), wherein the positioning and fixing component (6) is arranged on the surface of the base (1); A sampling and taking-out assembly (4), the sampling and taking-out assembly (4) is arranged inside the drilling sleeve (3), the sampling and taking-out assembly (4) comprises a top shell (4-1), the top shell (4-1) is fixed to the top of the drilling sleeve (3), and a driving motor (4-2) is arranged on the top of the top shell (4-1).

2. A deep-level large-scale sampling device for geotechnical engineering investigation according to claim 1, characterized in that: A spiral sampler (4-3) is rotatably connected inside the drilling sleeve (3), and the spiral sampler (4-3) is connected to the output end of the driving motor (4-2). An inlet (4-4) is provided on the outer surface of the drilling sleeve (3), and a drill bit (4-5) is rotatably connected inside the bottom of the drilling sleeve (3), and the drill bit (4-5) is connected to the lower end of the spiral sampler (4-3).

3. A deep-level large-scale sampling device for geotechnical engineering investigation according to claim 1, characterized in that: The lifting control assembly (5) comprises a pair of synchronous screws (5-1), wherein the synchronous screws (5-1) are rotatably connected in the vertical frame (2), a lifting frame (5-2) is vertically slidably connected in the vertical frame (2), and the lifting frame (5-2) is connected to the synchronous screws (5-1) by threaded engagement.

4. A deep-level large-scale sampling device for geotechnical engineering investigation according to claim 3, characterized in that: The lifting frame (5-2) is fixedly connected to the outer surface of the drilling sleeve (3); the side surface of the vertical frame (2) is rotatably connected to a transmission shaft (5-3); both ends of the transmission shaft (5-3) and the upper end of the synchronous screw (5-1) are provided with a first gear (5-4); the side surface of the vertical frame (2) is provided with a second motor (5-5); and the output end of the second motor (5-5) and the outside of the transmission shaft (5-3) are provided with a second gear (5-6).

5. The deep-level large-scale sampling device for geotechnical engineering investigation according to claim 1 is characterized in that: The positioning and fixing assembly (6) comprises a pair of base frames (6-1), a second screw (6-2) is rotatably connected between the base frame (6-1) and the base (1), a cross plate (6-3) is slidably connected inside the base frame (6-1), the cross plate (6-3) and the second screw (6-2) are connected by threaded cooperation, a pair of circular holes (6-4) are opened on the surface of the base (1), a positioning rod (6-5) is arranged on the bottom surface of the cross plate (6-3), and the positioning rod (6-5) is movably sleeved in the circular hole (6-4).

6. A deep-level large-scale sampling device for geotechnical engineering investigation according to claim 1, characterized in that: Movable legs (7) are arranged at four opposite corners of the bottom surface of the base (1).

7. A deep-level large-scale sampling device for geotechnical engineering investigation according to claim 4, characterized in that: The first gear (5-4) and the second gear (5-6) are both bevel gears.

8. The deep-level large-scale sampling device for geotechnical engineering investigation according to claim 1 is characterized in that: One side of the top shell (4-1) is an open structure, and the top of the opening portion of the top shell (4-1) is an inclined opening structure.

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