CN216559818U - A sample sampling device for hydrogeological exploration - Google Patents

Abstract

The utility model discloses a sample sampling device for hydrogeological exploration, which belongs to the technical field of equipment for hydrogeological exploration. A hydrogeological exploration sample sampling device, comprising a U-shaped bracket, an electric push rod is arranged on the top surface of the U-shaped bracket, a motor box is arranged on the bottom surface of a bearing plate, a first motor is arranged in the motor box, and a shuttle drill bit is arranged at the lower end of the rotating shaft, The bottom of the mounting plate is provided with a collection box, the rear end of the collection box is provided with a placement box, the placement box is provided with a second motor, the front end of the main shaft is provided with a fan blade, the rear side of the collection box is provided with a filter screen, and the left end face of the collection box is provided with a hose , the lower end of the L-shaped connecting pipe is provided with a U-shaped sampling pipe. The utility model uses the cooperation among the electric push rod arranged on the U-shaped bracket, the shuttle-shaped drill bit at the lower end of the rotating shaft, the fan blade at the front end of the main shaft and the U-shaped sampling tube at the lower end of the L-shaped connecting pipe, so that the staff can investigate the needs according to the actual situation. Precise sampling of geological samples at a specified depth improves the sampling efficiency during hydrogeological exploration.

Description

A sample sampling device for hydrogeological exploration

technical field

The utility model relates to the technical field of equipment for hydrogeological exploration, more particularly, to a sample sampling device for hydrogeological exploration.

Background technique

Hydrogeological exploration refers to the hydrogeological investigation and research work carried out to identify the hydrogeological conditions of an area. It aims to grasp the causes, distribution and movement laws of groundwater and surface water. Provide the basis for the rational exploitation and utilization of water resources and the correct design and construction of foundation and piling works. In the process of hydrogeological exploration, relevant staff often use sample sampling devices for hydrogeological exploration. The patent document whose prior art publication number is CN213632713U provides a sample sampling device for hydrogeological exploration. The device is provided with a servo motor, a screw rod, a conical ring and a limit block. When the device is in normal use, the The operation drives the screw rod to rotate, so that the screw rod and the conical ring are screwed into the ground at the same time. Since the outer surface of the screw rod and the inner wall of the sampling cylinder are attached to each other, the geological samples are clearly layered inside the sampling cylinder, which is convenient for the sampling of geological samples. Although the device has many beneficial effects, it still has the following problems: it is difficult for the device to accurately sample the geological samples at the specified depth, and the samples cannot be easily taken out completely, which will cause great damage to the results of hydrogeological exploration. influences. In view of this, we propose a sample sampling device for hydrogeological exploration.

Utility model content

1. Technical problems to be solved

The purpose of this utility model is to provide a sample sampling device for hydrogeological exploration, so as to solve the problems raised in the above background technology.

2. Technical solutions

A sample sampling device for hydrogeological exploration, comprising a U-shaped bracket, the lower sides of the left and right ends of the U-shaped bracket are provided with fixing plates, and the left side of the top surface of the U-shaped bracket is provided with an electric push rod, and the electric push rod is provided. The end of the output end of the rod extends to the outside through the top surface of the inner wall of the U-shaped bracket and is connected with a mounting plate. A receiving sleeve is provided on the left side of the bottom surface of the mounting plate. The bottom surface of the board is provided with a motor box, the motor box is provided with a first motor, the output end of the first motor is connected with a rotating shaft, and the lower end of the rotating shaft sequentially passes through the bottom surface of the motor box and the bottom surface of the receiving sleeve to extend to the outside and connect There is a shuttle-shaped drill bit, a collection box is arranged on the right side of the bottom surface of the mounting plate, a sealing cover is arranged on the lower side of the collection box, and a rear end of the collection box is arranged with a placement box, and the rear end surface of the placement box is linearly opened at equal intervals There are a plurality of through slots, the middle of the rear end surface of the inner wall of the placing box is provided with a second motor, the output end of the second motor is connected with a main shaft, the front end of the main shaft is provided with fan blades, and the rear side of the collection box is provided with a main shaft. Filter screen, the middle part of the left end face of the collection box is provided with a hose running through the left end face of the collection box, the left end of the hose is connected with an L-shaped connecting pipe, and the lower end of the L-shaped connecting pipe passes through the upper side of the right part of the circumferential outer wall of the receiving sleeve It extends to the lower side of the inner cavity of the receiving sleeve and is connected with a U-shaped sampling tube.

Preferably, the outer wall of the shuttle-shaped drill bit is densely covered with a plurality of crushing teeth, and the diameter of the central portion of the shuttle-shaped drill bit is larger than the diameter of the outer peripheral wall of the receiving sleeve.

Preferably, the lower side of the collection box is provided with a prismatic structure.

Preferably, a plurality of U-shaped turrets are linearly and equally spaced on the top front side of the inner wall of the placing box, a rotating plate is rotatably connected to the middle of the U-shaped turret, and a semicircular shape is provided on the lower side of the front end of the rotating plate. The knocking block, the front side of the outer circumferential wall of the semicircular knocking block is in active contact with the rear end surface of the filter screen.

Preferably, the outer wall of the mounting plate is slidably connected with the inner wall of the U-shaped bracket.

3. Beneficial effects

Compared with the prior art, the advantages of the present utility model are:

1. The utility model uses the electric push rod arranged on the left side of the top surface of the U-shaped bracket, the first motor in the motor box, the shuttle drill bit at the lower end of the rotating shaft, the collection box on the right side of the bottom surface of the mounting plate, and the rear end surface of the inner wall of the placement box. The cooperation between the second motor in the middle, the fan blade at the front of the main shaft, the filter screen at the back of the collection box and the U-shaped sampling pipe at the lower end of the L-shaped connecting pipe enables the staff to accurately analyze the geological conditions of the specified depth according to the actual survey requirements. The sample is sampled, and at the same time, it is convenient to take out the sample, which improves the sampling efficiency during hydrogeological exploration.

2. In the present invention, through the cooperation between a plurality of U-shaped turrets arranged on the top front side of the inner wall of the placing box and the semi-circular knocking blocks on the lower side of the front end surface of the rotating plate, when the sampling is completed, the filter screen can be cleaned. The knocking makes the filter screen vibrate, preventing the residual sample on the surface of the filter screen from affecting subsequent sampling, and improving the practicability of the device.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the structural cross-sectional schematic diagram of the receiving sleeve in the utility model;

Fig. 3 is the structural cross-sectional schematic diagram of the placing box and the collecting box in the utility model;

Description of the symbols in the figure: 1. U-shaped bracket; 2. Acceptance sleeve; 3. U-shaped sampling pipe; 4. Fixed plate; 5. Placement box; 501. Through groove; 7. Collection box; 9, hose; 10, first motor; 11, motor box; 12, shaft; 13, shuttle drill bit; 14, carrier plate; 15, crushing teeth; 16, sealing cover; 17, filter screen; 18, semicircle 19, rotating plate; 20, fan blade; 21, second motor; 22, U-shaped turret; 23, electric push rod; 24, mounting plate; 25, main shaft.

Detailed ways

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed in a specific orientation and operation, so it cannot be construed as a limitation to the present invention.

In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "provided with", "sleeve/connection", "connection", etc., should be understood in a broad sense, such as "Connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be two elements Internal connectivity. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to Figures 1-3, the utility model provides a technical solution:

A hydrogeological exploration sample sampling device, comprising a U-shaped bracket 1, a fixing plate 4 is arranged on the lower sides of the left and right ends of the U-shaped bracket 1, an electric push rod 23 is arranged on the left side of the middle of the top surface of the U-shaped bracket 1, and the electric push rod 23. The end of the output end extends to the outside through the top surface of the inner wall of the U-shaped bracket 1 and is connected with a mounting plate 24. The left side of the bottom surface of the mounting plate 24 is provided with a receiving sleeve 2, and the underside of the inner wall of the receiving sleeve 2 is provided with a bearing plate 14. The bottom surface of the plate 14 is provided with a motor box 11, the motor box 11 is provided with a first motor 10, the output end of the first motor 10 is connected with a rotating shaft 12, and the lower end of the rotating shaft 12 extends through the bottom surface of the motor box 11 and the bottom surface of the receiving sleeve 2 to the A shuttle drill 13 is connected to the outside, a collection box 7 is arranged on the right side of the bottom surface of the mounting plate 24, a sealing cover 16 is arranged on the lower side of the collection box 7, and a placement box 5 is arranged at the rear end of the collection box 7, and the rear end surface of the placement box 5 is linear. A plurality of through slots 501 are provided at equal intervals, a second motor 21 is arranged in the middle of the rear end surface of the inner wall of the placing box 5, the output end of the second motor 21 is connected with a main shaft 25, the front end of the main shaft 25 is provided with a fan blade 20, and the fan blade 20 is provided. , The purpose of the second motor 21 and the main shaft 25 is that when the worker drills to the specified depth, the fan blade 20 sends air to the front side under the action of the second motor 21, and the U-shaped sampling pipe 3 blows the air downward to prevent undesired The geological sample at the specified depth enters the inside of the U-shaped sampling tube 3. When the specified depth is reached, the fan blade 20 sends air to the rear side under the action of the second motor 21, and the inside of the collection box 7 is in a negative pressure state immediately, so that the geological sample is in a negative pressure state. The U-shaped sampling pipe 3, the L-shaped connecting pipe 8 and the hose 9 enter the inner cavity of the collection box 7 to prevent the samples of unspecified depth from affecting the exploration results. The middle part of the surface is provided with a hose 9 which runs through the left end face of the collection box 7, the left end of the hose 9 is connected with an L-shaped connecting pipe 8, and the lower end of the L-shaped connecting pipe 8 extends through the upper side of the right part of the outer peripheral wall of the receiving sleeve 2 to the inside of the receiving sleeve 2 A U-shaped sampling tube 3 is connected to the lower side of the cavity.

Specifically, the outer wall of the shuttle-shaped drill bit 13 is densely covered with a plurality of crushing teeth 15. The purpose of providing the crushing teeth 15 is to make the geological samples can be crushed and prevent the U-shaped sampling tube 3 from being blocked by excessively large stones or soil. The shuttle-shaped drill bit 13 The diameter of the middle part is larger than the diameter of the outer circumference of the receiving sleeve 2, and the diameter of the middle part of the shuttle drill bit 13 is larger than the diameter of the outer wall of the circumference of the receiving sleeve 2. The purpose is to facilitate the receiving sleeve 2 to enter the sampling hole.

Further, the lower side of the collection box 7 is provided with a pyramid-shaped structure, and the purpose of setting the lower side of the collection box 7 with a pyramid-shaped structure is to facilitate the complete removal of the samples in the collection box 7 .

Further, a plurality of U-shaped turrets 22 are arranged at a linear and equal interval on the top front side of the inner wall of the placing box 5, and a rotating plate 19 is rotatably connected to the middle of the U-shaped turret 22. The knocking block 18, the U-shaped turret 22, the rotating plate 19 and the semi-circular knocking block 18 are arranged to facilitate the removal of the residual samples on the filter screen 17 and prevent the residual samples from affecting the subsequent exploration. The front side of the peripheral outer wall of the striking block 18 is in active contact with the rear end surface of the filter screen 17 .

Further, the outer wall of the mounting plate 24 is slidably connected to the inner wall of the U-shaped bracket 1 .

Working principle: When the staff needs to sample the geological samples at the specified depth during the hydrogeological exploration process, the staff first installs the device in the specified position, and then under the control of the external control mechanism, the electric push rod 23, The first motor 10 and the second motor 21 are running. Under the action of the electric push rod 23, the mounting plate 24 drives the receiving sleeve 2 to move downward. Under the action of the first motor 10, the rotating shaft 12 drives the shuttle drill bit 13 to rotate to the designated position. During this period, under the action of the second motor 21, the main shaft 25 drives the fan blade 20 to rotate to supply air to the front side, and the U-shaped sampling pipe 3 blows the air downward. Under the control of the control mechanism, the second motor 21 runs, the main shaft 25 drives the fan blade 20 to rotate in the reverse direction, the fan blade 20 sends air to the rear side, the inside of the collection box 7 is in a negative pressure state, and the geological sample is immediately removed by the U-shaped sampling tube. 3. The L-shaped connecting pipe 8 and the hose 9 enter the inner cavity of the collection box 7, and the rotating plate 19 drives the semicircular knocking block 18 to rotate to the rear side. After enough samples are obtained, stop the second motor 21 and rotate the plate 19. The semicircular knocking block 18 is driven to move forward to knock the rear end surface of the filter screen 17, and then the staff removes the sealing cover 16 to take out the geological sample. In this way, the work of sampling geological samples at a specified depth can be completed.

The basic principles, main features and advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a hydrogeological survey sample sampling device, includes U-shaped support (1), its characterized in that: the device is characterized in that fixing plates (4) are arranged on the lower sides of the left end face and the right end face of the U-shaped support (1), an electric push rod (23) is arranged on the left side of the middle of the top face of the U-shaped support (1), the end part of the output end of the electric push rod (23) penetrates through the top face of the inner wall of the U-shaped support (1) to extend to the outside and is connected with a mounting plate (24), a bearing sleeve (2) is arranged on the left side of the bottom face of the mounting plate (24), a bearing plate (14) is arranged on the lower side of the circumferential inner wall of the bearing sleeve (2), a motor box (11) is arranged on the bottom face of the bearing plate (14), a first motor (10) is arranged in the motor box (11), the end part of the output end of the first motor (10) is connected with a rotating shaft (12), the lower end of the rotating shaft (12) sequentially penetrates through the bottom face of the motor box (11) and the bearing sleeve (2) to extend to the outside and is connected with a shuttle-shaped drill bit (13), a collecting box (7) is arranged on the right side of the bottom face of the mounting plate (24), a sealing cover (16) is arranged at the lower side of the collecting box (7), a placing box (5) is arranged at the rear end of the collecting box (7), a plurality of through grooves (501) are linearly arranged on the rear end surface of the placing box (5) at equal intervals, a second motor (21) is arranged in the middle of the rear end face of the inner wall of the placing box (5), the end part of the output end of the second motor (21) is connected with a main shaft (25), the front end of the main shaft (25) is provided with a fan blade (20), the rear side of the collecting box (7) is provided with a filter screen (17), the middle part of the left end surface of the collecting box (7) is provided with a hose (9) which penetrates through the left end surface of the collecting box (7), hose (9) left end is connected with L shape connecting pipe (8), L shape connecting pipe (8) lower extreme passes and holds adapter sleeve (2) circumference outer wall right part upside and extends to and hold adapter sleeve (2) inner chamber downside and be connected with U-shaped sampling tube (3).

2. A hydrogeological survey sample sampling device as defined in claim 1, wherein: a plurality of crushing teeth (15) are densely distributed on the outer wall of the fusiform drill bit (13), and the diameter size of the middle part of the fusiform drill bit (13) is larger than that of the outer wall of the circumference of the bearing sleeve (2).

3. A hydrogeological survey sample sampling device as defined in claim 1, wherein: the lower side of the collecting box (7) is arranged in a frustum pyramid structure.

4. A hydrogeological survey sample sampling device as defined in claim 1, wherein: place box (5) inner wall top front side and be linear equidistant and be equipped with a plurality of U-shaped rotating turret (22), U-shaped rotating turret (22) middle part is rotated and is connected with rotor plate (19), the terminal surface downside is equipped with semi-circular piece (18) of strikeing before rotor plate (19), semi-circular piece (18) circumference outer wall front side of strikeing and filter screen (17) rear end face swing joint.

5. A hydrogeological survey sample sampling device as defined in claim 1, wherein: the outer wall of the mounting plate (24) is connected with the inner wall of the U-shaped support (1) in a sliding mode.

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