Sand sampler for geotechnical investigation

Abstract

The utility model relates to the technical field of geological engineering, in particular to a geotechnical investigation sand taking device which comprises a transmission pipe inserted at the lower end of a box body and used for limiting, the lower end of the transmission pipe is fixedly connected with a connector used for positioning, and the outer surface of the transmission pipe is sleeved with a supporting frame used for positioning. A positioning column used for connection is inserted into the lower end of the supporting frame, a stabilizing block used for supporting is inserted into the lower end of the positioning column, and a limiting column used for positioning is fixedly connected to the lower end of the stabilizing block. According to the sand sampler for geotechnical investigation, through cooperative arrangement of the supporting frame, a stabilizing block and a positioning column, when a worker takes sand, a rotating pipe of the worker can be limited and fixed, the problem that the worker cannot conveniently sample due to shaking of the rotating pipe is avoided, by means of arrangement of a limiting column, the worker can conveniently fix the supporting frame to the ground, and the working efficiency is improved. And the problem that the transmission pipe is easy to deviate when the transmission pipe is used for punching the surface of the rock soil is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of geological engineering, in particular to a rock and soil survey sand extractor. Background Art

[0002] With the development of national economic construction, the fields involved in geotechnical engineering investigation are constantly expanding, and the strata revealed by exploration are becoming more diverse and complex. The geotechnical exploration sand sampler is a kind of equipment that needs to be used in the process of field geotechnical exploration, which is convenient for geotechnical investigation.

[0003] Chinese patent announcement number CN214149920U discloses a novel rock and soil exploration sand collecting device, which belongs to the field of geological engineering, including a box body and a transmission shaft, connecting blocks are fixedly connected on the corresponding two side walls inside the box body, two baffles are arranged between the two connecting blocks, and connecting ears are fixedly connected to the two ends of the side wall of the two baffles opposite to each other, and the two connecting ears are connected to the connecting blocks at corresponding positions through a rotating shaft, and torsion springs are sleeved on the outer circumferential surfaces of both ends of the rotating shaft, and a spiral sampling rod is threadedly sleeved on the outer circumferential surface of the transmission shaft. The utility model uses the spiral sampling rod to no longer resist the baffle, and the baffle is restored to its initial state by the action of the torsion springs at both ends, so as to form a seal on the bottom of the sealing tank, so as to prevent sand and soil from leaking out of the sealing tank when the novel rock and soil exploration sand collecting device is taken away, and the spiral sampling rod is driven to move downward or upward by rotating the transmission shaft, so as to easily drill into or pull out rock and soil.

[0004] However, the utility model has the following problems when it is actually used:

[0005] 1. The existing device is not convenient for workers to limit and fix when used, and it is easy to move when drilling holes on the rock surface, which makes it inconvenient for workers to take samples;

[0006] 2. After the staff completes the sampling, the existing device is not easy to disassemble and clean, which makes it heavy for the staff to carry. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rock and soil exploration sand sampling device, which solves the problem that the existing device proposed in the above-mentioned background technology is not convenient for limiting and fixing when used by staff, and is prone to displacement when drilling holes on the rock and soil surface, which makes it inconvenient for staff to take samples; after the staff completes the sampling, the existing device is not convenient for disassembly and cleaning, which makes it bulky for the staff to carry.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a geotechnical exploration sand collector, comprising a transmission tube inserted at the lower end of a box body for limiting positioning, the lower end of the transmission tube is fixedly connected with a connector for positioning, the outer surface of the transmission tube is sleeved with a support frame for positioning, the lower end of the support frame is inserted with a positioning column for connection, the lower end of the positioning column is inserted with a stabilizing block for support, and the lower end of the stabilizing block is fixedly connected with a limiting column for positioning.

[0011] Optionally, a box cover for fixing is clamped on the upper end of the box body, and a fixing mechanism for positioning is fixedly connected to the lower end of the box cover.

[0012] Optionally, an electric motor for providing power is clamped on the inner wall of the box body, and a sleeve for fixing is fixedly connected to the lower end of the box body.

[0013] Optionally, an air outlet for heat dissipation is provided on the side of the box body, and a filter for filtering is fixedly connected to the inner wall of the air outlet.

[0014] Optionally, a handle for limiting position is fixedly connected to the side of the box, and a groove for positioning is formed on the side of the handle.

[0015] Optionally, a damping rod for buffering is inserted into the inner wall of the stabilizing block, and a spring for resetting is sleeved on the outer surface of the damping rod.

[0016] Optionally, a limit cover for fixing is inserted into the upper end of the positioning column, and the outer surface of the limit cover is provided with anti-skid patterns for preventing skidding.

[0017] Optionally, a connection hole for positioning is opened at the upper end of the transmission tube, and a cutting head for positioning is sleeved on the outer surface of the transmission tube.

[0018] (III) Beneficial effects

[0019] The utility model provides a rock and soil survey sand extractor, which has the following beneficial effects:

[0020] 1. The geotechnical exploration sand sampling device, through the coordinated arrangement of the support frame, the stabilizing block and the positioning column, can limit and fix the rotating tube when the staff is taking sand, so as to avoid the shaking of the rotating tube, which makes it inconvenient for the staff to take samples. With the help of the setting of the limiting column, it is convenient for the staff to fix the support frame on the ground, thus avoiding the problem of the transmission tube being easily offset when drilling holes on the rock and soil surface.

[0021] 2. The geotechnical exploration sand extractor, through the coordinated setting of the transmission pipe and the connecting head, can be easily disassembled by the staff after they have completed the sand extraction, so as to take out the soil inside. At the same time, with the help of the coordinated setting of the positioning column and the stabilizing block, the support frame can be more conveniently disassembled, so that it is convenient for the staff to carry it, further improving the convenience of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the box structure of the utility model;

[0024] Figure 3 This is a schematic diagram of the transmission tube structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the structure of the stabilizing block of the utility model;

[0026] Figure 5 This is a schematic diagram of the pin structure of the utility model;

[0027] Figure 6 This is a schematic diagram of the positioning pin structure of the utility model;

[0028] Figure 7 This is a schematic diagram of the threaded column structure of the utility model.

[0029] In the figure: 1. box body; 2. transmission pipe; 3. connector; 4. support frame; 5. positioning column; 6. stabilizing block; 7. limiting column; 8. box cover; 9. fixing mechanism; 10. motor; 11. sleeve; 12. air outlet; 13. handle; 14. groove; 15. damping rod; 16. spring; 17. limiting cover; 18. connecting hole; 19. cutting head; 901. pin; 902. positioning pin; 903. connecting plate; 904. threaded column. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in 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.

[0031] See also Figures 1 to 7The utility model provides a technical solution: a rock and soil exploration sand extractor, comprising a transmission tube 2 inserted at the lower end of a box body 1 for limiting position, an inner wall of the box body 1 is clamped with a motor 10 for providing power, a sleeve 11 for fixing is fixedly connected to the lower end of the box body 1, an air outlet 12 for heat dissipation is provided on the side of the box body 1, a filter screen for filtering is fixedly connected to the inner wall of the air outlet 12, a connector 3 for positioning is fixedly connected to the lower end of the transmission tube 2, a connection hole 18 for positioning is provided at the upper end of the transmission tube 2, and a cutting head 19 for positioning is sleeved on the outer surface of the transmission tube 2;

[0032] The motor 10 can drive the transmission tube 2 to rotate so as to cut the ground. The air outlet 12 can discharge the heat generated by the motor 10 when it is working. The connection hole 18 can be used to install the transmission tube 2 more conveniently. The cutting head 19 can be used to cut the ground more quickly.

[0033] See also Figures 2 to 5 The outer surface of the transmission tube 2 is sleeved with a support frame 4 for positioning, a positioning column 5 for connection is inserted at the lower end of the support frame 4, a limit cover 17 for fixing is inserted at the upper end of the positioning column 5, and an anti-skid pattern is provided on the outer surface of the limit cover 17 for anti-skid, a stabilizing block 6 for support is inserted at the lower end of the positioning column 5, a damping rod 15 for buffering is inserted at the inner wall of the stabilizing block 6, and a spring 16 for resetting is sleeved on the outer surface of the damping rod 15. With the arrangement of the limit cover 17, the positioning column 5 can be fixed inside the support frame 4, and through the arrangement of the damping rod 15, after the upper end of the support frame 4 is subjected to an impact force, the impact force it bears can be absorbed;

[0034] See also Figures 1 to 4 The lower end of the stabilizing block 6 is fixedly connected with a limiting column 7 for positioning, the upper end of the box body 1 is clamped with a box cover 8 for fixing, the lower end of the box cover 8 is fixedly connected with a fixing mechanism 9 for positioning, and the side of the box body 1 is fixedly connected with a handle 13 for limiting, and the side of the handle 13 is provided with a groove 14 for positioning. With the help of the setting of the box cover 8, the box body 1 can be sealed, and the motor 10 inside the box body 1 can also be protected. Through the setting of the fixing mechanism 9, the box cover 8 can be fixed to the upper end of the box body 1, and through the setting of the handle 13, it is convenient for the staff to take the box body 1.

[0035] Embodiment 1;

[0036] The fixing mechanism 9 includes a pin 901. The lower end of the box cover 8 is fixedly connected with the pin 901 for fixing. With the arrangement of the pin 901, it is convenient for the staff to fix the box cover 8 on the upper end of the box body 1.

[0037] Embodiment 2:

[0038] The fixing mechanism 9 includes a positioning pin 902. The upper end of the box cover 8 is plugged with a positioning pin 902 for fixing. With the arrangement of the positioning pin 902, the box cover 8 can be more firmly installed on the upper end of the box body 1 to avoid the problem of it falling off.

[0039] Embodiment three;

[0040] The fixing mechanism 9 includes a connecting plate 903 and a threaded column 904. The side of the box cover 8 is fixedly connected with a connecting plate 903 for limiting, and the side of the connecting plate 903 is plugged with a threaded column 904 for fixing. Through the coordinated setting of the connecting plate 903 and the threaded column 904, it is convenient for the staff to disassemble it.

[0041] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0042] In the utility model, the working steps of the device are as follows:

[0043] First, the staff connects the transmission pipe 2 to a suitable length, and at the same time, sleeves the support frame 4 on the outer surface of the transmission pipe 2 to limit and fix the transmission pipe 2. The support frame 4 is fixed to the ground with the help of the limiting column 7, and at the same time, starts the motor 10 to drive the transmission pipe 2 to rotate so that it cuts the ground.

[0044] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rock and soil exploration sand extractor, comprising a transmission pipe (2) plugged into the lower end of a box (1) for limiting position, characterized in that: The lower end of the transmission tube (2) is fixedly connected to a connector (3) for positioning, the outer surface of the transmission tube (2) is sleeved with a support frame (4) for positioning, the lower end of the support frame (4) is plugged with a positioning column (5) for connection, the lower end of the positioning column (5) is plugged with a stabilizing block (6) for support, and the lower end of the stabilizing block (6) is fixedly connected to a limiting column (7) for positioning.

2. A rock and soil exploration sand sampling device according to claim 1, characterized in that: The upper end of the box body (1) is clamped with a box cover (8) for fixing, and the lower end of the box cover (8) is fixedly connected with a fixing mechanism (9) for positioning.

3. A rock and soil exploration sand sampling device according to claim 1, characterized in that: An electric motor (10) for providing power is clamped on the inner wall of the box body (1), and a sleeve (11) for fixing is fixedly connected to the lower end of the box body (1).

4. A rock and soil exploration sand sampling device according to claim 1, characterized in that: An air outlet (12) for heat dissipation is provided on the side of the box body (1), and a filter screen for filtering is fixedly connected to the inner wall of the air outlet (12).

5. The rock and soil survey sand sampling device according to claim 1, characterized in that: A handle (13) for limiting position is fixedly connected to the side of the box body (1), and a groove (14) for positioning is provided on the side of the handle (13).

6. A rock and soil survey sand sampling device according to claim 1, characterized in that: A damping rod (15) for buffering is inserted into the inner wall of the stabilizing block (6), and a spring (16) for resetting is sleeved on the outer surface of the damping rod (15).

7. A rock and soil survey sand sampling device according to claim 1, characterized in that: A limit cover (17) for fixing is inserted into the upper end of the positioning column (5), and an anti-skid pattern is provided on the outer surface of the limit cover (17) for preventing skidding.

8. The rock and soil survey sand sampling device according to claim 1, characterized in that: A connection hole (18) for positioning is provided at the upper end of the transmission tube (2), and a cutting head (19) for positioning is sleeved on the outer surface of the transmission tube (2).

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