CN221959770U

CN221959770U - Sampling device for geotechnical engineering investigation well

Info

Publication number: CN221959770U
Application number: CN202420115443.4U
Authority: CN
Inventors: 史卫国; 薛飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2024-01-17
Filing date: 2024-01-17
Publication date: 2024-11-05
Anticipated expiration: 2034-01-17

Abstract

The utility model discloses a sampling device for a exploratory well in geotechnical engineering, which comprises a exploratory well sampling device body, wherein the exploratory well sampling device body comprises a U-shaped base and a sampling drill barrel arranged on the inner side of the U-shaped base, the top of the U-shaped base is fixedly connected with a U-shaped supporting rod, a lifting plate is sleeved on the U-shaped supporting rod in a sliding manner, and the lifting plate is sleeved on the sampling drill barrel in a rotating manner. The utility model has a series of structures, is convenient to integrally control the sampling drill barrel to move downwards and rotate by utilizing the single driving of the driving motor to perform drilling without disturbing sampling, can automatically push and discharge samples by the extrusion force of the extrusion rod when the sampling drill barrel is lifted after sampling, does not need to separately set power equipment to perform pushing and discharging work, realizes the single driving to integrally perform the work of moving downwards, rotating drilling, sampling and discharging samples after sampling, saves cost, improves energy conservation and meets the use requirement of energy conservation and low cost compared with the running mode of a plurality of power equipment.

Description

Sampling device for geotechnical engineering investigation well

Technical Field

The utility model relates to the technical field of exploratory well sampling equipment, in particular to a sampling device for a geotechnical engineering exploration exploratory well.

Background

At present, loess collapsibility and collapsibility level need be evaluated in loess areas in geotechnical engineering investigation, so need to get undisturbed I level sample through the manual work of digging the exploratory well, obtain loess collapsibility index through indoor geotechnical experiment, behind the manual exploratory well excavation in present market, take the soil process and adopt the manual instrument sampling of using of staff more, can lead to the soil sample disturbance serious in the operation process, influence loess collapsibility index.

In this regard, through retrieving, bulletin number CN220039862U discloses a sampling device for geotechnical engineering investigation, the sampling device comprises a frame, a moving plate and a sampling assembly, the moving plate is arranged in the frame, a lifting assembly is arranged between the moving plate and the frame, the lifting assembly drives the moving plate to lift in the frame, the sampling assembly is arranged on the moving plate, and the moving plate drives the sampling assembly to lift for sampling; when the sampling device is used, firstly, the frame is placed on the working surface, then the lifting assembly is started to drive the movable plate to lift in the frame, the lifting assembly drives the sampling assembly to descend through the movable plate, the sampling assembly samples soil at the working surface, after sampling is finished, the lifting assembly is used for driving the sampling assembly to ascend through the movable plate, then the soil sample in the sampling assembly is taken out, sampling of the soil is completed, the soil sample is guaranteed to reach the I-level sample standard, and the purpose that the sampling quality reaches the standard is achieved.

The geotechnical engineering investigation exploratory well sampling device disclosed by the technology, through two positive and negative rotation motor drive sampling rod reciprocating, through driving motor drive sampling rod rotation, realize the rotatory drilling sample work that moves down, utilize vertical and inboard for hollow sampling rod can directly carry out whole undisturbed sample, utilize electric putter drive kicking block to push away the row material after the sample, exist following not enoughly when using: 1. the sampling and discharging work needs to use two positive and negative rotating motors, a driving motor and a plurality of electric devices of an electric push rod, the multi-electric device is used in a mode of poor energy saving effect and high cost, and the downward moving rotary drilling sampling and discharging work cannot be integrally realized by a single device, so that the improvement is needed; in view of the above, a sampling device for an exploratory well for geotechnical engineering is provided.

Disclosure of utility model

The utility model aims to provide a sampling device for a geotechnical engineering exploration well, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sampling device comprises a sampling device body of the exploratory well, wherein the sampling device body of the exploratory well comprises a U-shaped base and a sampling drill barrel arranged on the inner side of the U-shaped base, the top of the U-shaped base is fixedly connected with a U-shaped supporting rod, a lifting plate is sleeved on the U-shaped supporting rod in a sliding manner, and the lifting plate is rotatably sleeved on the sampling drill barrel;

The device comprises a U-shaped supporting rod, a lifting plate, a sampling drill barrel, a screw driving assembly, a driving motor, a lifting plate, a sampling drill barrel and a sampling drill barrel, wherein the same screw driving assembly is arranged between the inner wall of the top of the U-shaped supporting rod and the top of the U-shaped base;

The sampling drill barrel is internally provided with a pushing and discharging assembly, an extrusion rod fixedly arranged on the inner wall of the top of the U-shaped supporting rod is matched above the pushing and discharging assembly, and the pushing and discharging assembly is used for pushing and discharging samples by matching with the extrusion rod when the sampling drill barrel is lifted after sampling.

Preferably, the screw driving assembly comprises a screw rod fixedly connected between the inner wall of the top of the U-shaped supporting rod and the top of the U-shaped base, an inner thread sleeve is sleeved on the screw rod, and the lifting plate is rotatably sleeved on the inner thread sleeve.

Preferably, the combined drive rotating assembly comprises a first gear fixedly sleeved on the inner threaded sleeve, an outer gear ring fixedly sleeved on the sampling drill barrel is meshed with the left side of the first gear, a second gear is meshed with the left side of the outer gear ring, and the top of the second gear is fixedly connected with the bottom end of an output shaft of the driving motor.

Preferably, the pushing and discharging assembly comprises a pushing plate which is sleeved in the sampling drill barrel in a sliding manner, T-shaped guide rods are fixedly connected to two sides of the top of the pushing plate, guide sleeves which are fixedly connected with the inner walls of the sampling drill barrel are sleeved on the T-shaped guide rods in a sliding manner, springs are fixedly connected between the tops of the guide sleeves and the inner walls of the tops of the corresponding T-shaped guide rods, the springs are movably sleeved on the corresponding T-shaped guide rods, and the pushing plate is positioned below the extrusion rods and matched with the extrusion rods; the sampling drill barrel after sampling is lifted, the movable pushing plate is driven to synchronously lift, the pushing plate is blocked and limited by the bottom end of the extrusion rod when being moved upwards, the sampling drill barrel which is continuously moved upwards slides upwards on the pushing plate, the guide sleeve is driven to compress the corresponding spring upwards, and at the moment, the pushing plate is utilized to push and extrude the sample in the sampling drill barrel.

Preferably, the top of the U-shaped supporting rod is fixedly connected with a storage battery which is electrically connected with the driving motor.

Preferably, the left side of the top of the lifting plate is fixedly provided with an L-shaped seat, and the driving motor is fixedly connected to the top of the L-shaped seat.

Preferably, the bottom four corners of U-shaped base all rotates and is connected with the universal wheel that locks, and the screw hole has all been seted up to the top both sides of U-shaped base, and the threaded hole internal thread cover is equipped with T shape stock.

Compared with the prior art, the utility model has the beneficial effects that:

1. According to the sampling device for the geotechnical engineering exploration exploratory well, the U-shaped supporting rod, the lifting plate, the driving motor, the sampling drilling barrel, the threaded driving assembly and the combined driving rotating assembly are arranged to be matched, when the driving motor is started, the sampling drilling barrel can be integrally controlled to move downwards and rotate for drilling without disturbing sampling, the sampling drilling barrel can be driven to lift upwards after sampling, and power equipment for lifting driving and rotating driving is not required to be independently arranged;

2. This geotechnical engineering reconnaissance exploratory well sampling device through the cooperation of sample bore section of thick bamboo, extrusion pole and the pushing and discharging subassembly that sets up, can borrow the extrusion force of extrusion pole when the sample bore section of thick bamboo rises and push the discharge sample automatically, need not to set up alone in addition and push the discharging work, combines the above-mentioned single drive to realize moving down the mode of rotatory probing sample, realizes that single drive is integrative to be moved down rotatory probing sample and the work of discharging after the sample, compares in the running mode of many power equipment, saves the cost, improves the energy-conservation.

The utility model has a series of structures, is convenient to integrally control the sampling drill barrel to move downwards and rotate by utilizing the single driving of the driving motor to perform drilling without disturbing sampling, can automatically push and discharge samples by the extrusion force of the extrusion rod when the sampling drill barrel is lifted after sampling, does not need to separately set power equipment to perform pushing and discharging work, realizes the single driving to integrally perform the work of moving downwards, rotating drilling, sampling and discharging samples after sampling, saves cost, improves energy conservation and meets the use requirement of energy conservation and low cost compared with the running mode of a plurality of power equipment.

Drawings

FIG. 1 is a schematic diagram of a perspective structure of a sampling device for a geotechnical engineering exploration well;

FIG. 2 is a schematic diagram of a cross-sectional front view of a sampling device for a geotechnical engineering exploration well according to the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 1. a U-shaped base; 2. a lifting plate; 3. sampling drill barrels; 4. a U-shaped strut; 5. a screw; 6. an internal thread sleeve; 7. a first gear; 8. an outer ring gear; 9. a second gear; 10. a driving motor; 11. a push plate; 12. a T-shaped guide rod; 13. guide sleeve; 14. a spring; 15. an extrusion rod; 16. avoidance holes; 17. universal wheels with locks; 18. t-shaped anchor rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the sampling device for a geotechnical engineering investigation provided by the embodiment comprises a sampling device body, wherein the sampling device body comprises a U-shaped base 1 and a sampling drill barrel 3 arranged on the inner side of the sampling drill barrel, a lifting plate 2 is fixedly connected to the top of the U-shaped base 1 through a sliding sleeve on a U-shaped supporting rod 4,U and a rectangular guide hole which is sleeved with the outer side of the U-shaped supporting rod 4 in a sliding manner is formed in the top of the lifting plate 2, the lifting plate 2 is sleeved on the U-shaped supporting rod 4 through the two rectangular guide holes in a sliding manner, the effect of guiding the lifting plate 2 vertically slides is achieved, the lifting plate 2 is rotatably sleeved on the sampling drill barrel 3, a first round hole is formed in the top of the lifting plate 2, a first bearing is fixedly sleeved in the inner ring of the first bearing and the outer side of the sampling drill barrel 3, the bottom of the U-shaped base 1 is rotatably connected with four corners of a universal wheel 17 with a lock, threaded hole is formed in two sides of the top of the U-shaped base 1, a threaded hole inner thread sleeve is provided with a T-shaped anchor rod 18, the T-shaped anchor rod 18 is arranged in a corresponding position to the threaded hole, and the T-shaped anchor rod is conveniently moved to the position of the drilling hole and needs to be stably moved down, and the anchor rod is conveniently moved to the position and is required to be screwed to move down to the anchor rod and conveniently;

The same screw thread driving component is arranged between the top inner wall of the U-shaped supporting rod 4 and the top of the U-shaped base 1, the lifting plate 2 is rotationally sleeved on the screw thread driving component, the screw thread driving component and the sampling drill barrel 3 are fixedly sleeved with the same joint driving rotating component, the driving motor 10 with an output shaft fixedly connected with the joint driving rotating component is fixedly arranged on the left side of the top of the lifting plate 2, the L-shaped seat is fixedly arranged on the left side of the top of the lifting plate 2, the driving motor 10 is fixedly connected with the top of the L-shaped seat, the effect of fixedly supporting the driving motor 10 is achieved, the top of the U-shaped supporting rod 4 is fixedly connected with a storage battery electrically connected with the driving motor 10, the device has the effects of supplying power to the driving motor 10, wherein the inner wall of the top of the U-shaped supporting rod 4 is provided with an avoidance hole 16, the avoidance hole 16 is positioned above the driving motor 10 and is matched with the driving motor 10, the effect of avoiding collision avoidance of the driving motor 10 when the driving motor 10 is lifted is achieved, the combined driving rotating assembly is used for driving the sampling drilling barrel 3 and the thread driving assembly to integrally and synchronously rotate when the driving motor 10 is started, the thread driving assembly is used for driving the lifting plate 2 to move downwards and upwards when the lifting plate 2 is used for driving the rotary sampling drilling barrel 3 to move downwards, and drilling and sampling are carried out in geotechnical engineering investigation well work by using the downwards moved and rotated sampling drilling barrel 3; the sampling drill cylinder 3 is internally provided with a pushing and discharging assembly, an extrusion rod 15 fixedly arranged on the inner wall of the top of the U-shaped supporting rod 4 is matched above the pushing and discharging assembly, and the pushing and discharging assembly is used for pushing and discharging samples by matching with the extrusion rod 15 when the sampling drill cylinder 3 is lifted after sampling.

Specifically, the screw driving assembly comprises a screw rod 5 fixedly connected between the inner wall of the top of the U-shaped supporting rod 4 and the top of the U-shaped base 1, an internal thread sleeve 6 is sleeved on the screw rod 5 in a threaded manner, the lifting plate 2 is rotatably sleeved on the internal thread sleeve 6, a second round hole is formed in the top of the lifting plate 2, two second bearings are fixedly sleeved in the second round hole, and the inner ring of the second bearings is fixedly sleeved with the outer side of the internal thread sleeve 6 to play a role in rotatably mounting the internal thread sleeve 6; the screw rod 5 and the internal thread sleeve 6 are matched, the internal thread sleeve 6 is utilized to rotate on the screw rod 5 and move up and down, and the internal thread sleeve 6 which moves up and down is utilized to drive the lifting plate 2 to move up and down.

Further, the combined driving rotating assembly comprises a first gear 7 fixedly sleeved on the inner threaded sleeve 6, an outer gear ring 8 fixedly sleeved on the sampling drill barrel 3 is meshed with the left side of the first gear 7, a second gear 9 is meshed with the left side of the outer gear ring 8, and the top of the second gear 9 is fixedly connected with the bottom end of an output shaft of the driving motor 10; the first gear 7, the outer gear ring 8 and the second gear 9 that set up cooperate, utilize driving motor 10 drive second gear 9 to rotate, and second gear 9 drives outer gear ring 8 and rotates, and outer gear ring 8 drives sample bore section of thick bamboo 3 and first gear 7 rotation, and first gear 7 drives internal thread cover 6 and rotates, realizes single drive integrative drive sample bore section of thick bamboo 3 and internal thread cover 6 pivoted effect.

Further, the pushing and discharging assembly comprises a pushing plate 11 which is sleeved in the sampling drill barrel 3 in a sliding manner, T-shaped guide rods 12 are fixedly connected to two sides of the top of the pushing plate 11, guide sleeves 13 which are fixedly connected with the inner walls of the sampling drill barrel 3 are sleeved on the T-shaped guide rods 12 in a sliding manner, springs 14 are fixedly connected between the tops of the guide sleeves 13 and the inner walls of the tops of the corresponding T-shaped guide rods 12, the springs 14 are movably sleeved on the corresponding T-shaped guide rods 12, and the pushing plate 11 is positioned below the extrusion rods 15 and matched with the extrusion rods 15; the provided push plate 11, the T-shaped guide rod 12, the guide sleeve 13 and the springs 14 are matched, the push plate 11 is driven to synchronously lift when the sampling drill barrel 3 is lifted after sampling, the push plate 11 moves upwards to be blocked and limited by the bottom end of the extrusion rod 15 when contacting with the bottom end of the extrusion rod, the sampling drill barrel 3 which continues to move upwards slides upwards on the push plate 11, the guide sleeve 13 is driven to compress the corresponding springs 14 upwards, the relative sliding of the sampling drill barrel 3 on the push plate 11 is utilized, and the pushing and extrusion of samples in the sampling drill barrel 3 are realized by utilizing the push plate 11.

The application method of the embodiment is as follows: the device is moved to a position where well exploration sampling is required, the T-shaped anchor rod 18 is rotated in the forward direction to enable the T-shaped anchor rod 18 to drill downwards into the ground for stable operation, the driving motor 10 is started in the forward direction to enable the T-shaped anchor rod 18 to drive the second gear 9 to rotate, the second gear 9 drives the outer gear ring 8 to rotate, the outer gear ring 8 drives the sampling drill barrel 3 and the first gear 7 to rotate, the first gear 7 drives the inner thread sleeve 6 to rotate, the inner thread sleeve 6 rotates on the screw 5 and moves downwards, at the moment, the inner thread sleeve 6 drives the lifting plate 2 to slide downwards on the U-shaped support rod 4, the lifting plate 2 drives the rotating sampling drill barrel 3 to move downwards, the effect that the single driving integrally drives the sampling drill barrel 3 to move downwards and rotate is achieved, the rotating and moving sampling drill barrel 3 moves downwards into the ground, and during drilling, soil is directly extruded into the sampling drill barrel 3 to be collected, and the effect that the whole soil is not disturbed and sampled is achieved;

After the sampling is completed, the driving motor 10 is reversely started, the same way is completely opposite to the movement direction of the forward starting driving motor 10, at this time, the sampling drill drum 3 is turned to rotate and moves back upwards, the push plate 11 is driven to synchronously lift when the sampling drill drum 3 is lifted, the push plate 11 is upwards moved to be limited by shielding when contacting with the bottom end of the extrusion rod 15, the push plate 11 can not continuously move upwards, at this time, the sampling drill drum 3 which continuously moves upwards slides upwards on the push plate 11, the sampling drill drum 3 drives the two guide sleeves 13 to slide on the corresponding T-shaped guide rods 12 respectively, the springs 14 are compressed, at this time, the sampling drill drum 3 and the push plate 11 relatively slide, as the sampling drill drum 3 continuously moves upwards, at this time, the push plate 11 pushes and extrudes samples in the sampling drill drum 3, personnel only need to put a simple receiving box at the lower part to receive soil samples, the mode of automatically pushing and extruding the samples by the extrusion force when the sampling drill drum 3 is lifted, the power equipment is not required to be independently arranged, the extrusion and discharging work is realized by combining the mode of the single driving, the mode of integrally moving downwards, the two guide sleeves 13 slide on the corresponding T-shaped guide rods 12, at the corresponding guide rods 12, at the time, the sampling drill drum 3 and the sampling drum 3 can rotate, the sampling drum 3 and the sampling drum can rotate.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a geotechnical engineering reconnaissance exploratory well sampling device, includes exploratory well sampling device body, exploratory well sampling device body includes U-shaped base (1) and sets up at its inboard sampling drill (3), its characterized in that: the top of the U-shaped base (1) is fixedly connected with a U-shaped supporting rod (4), a lifting plate (2) is sleeved on the U-shaped supporting rod (4) in a sliding manner, and the lifting plate (2) is sleeved on the sampling drill cylinder (3) in a rotating manner;

the device is characterized in that the same thread driving assembly is arranged between the inner wall of the top of the U-shaped supporting rod (4) and the top of the U-shaped base (1), the lifting plate (2) is rotationally sleeved on the thread driving assembly, the thread driving assembly and the sampling drill barrel (3) are fixedly sleeved with the same combined driving rotating assembly, and the driving motor (10) fixedly connected with the output shaft and the combined driving rotating assembly is fixedly arranged on the left side of the top of the lifting plate (2);

The sampling drill barrel (3) is internally provided with a pushing and discharging assembly, and an extrusion rod (15) fixedly arranged on the inner wall of the top of the U-shaped supporting rod (4) is arranged above the pushing and discharging assembly in a matched mode.

2. The geotechnical engineering investigation well sampling device according to claim 1, wherein: the screw drive assembly comprises a screw rod (5) fixedly connected between the inner wall of the top of the U-shaped supporting rod (4) and the top of the U-shaped base (1), an inner thread sleeve (6) is sleeved on the screw rod (5), and the lifting plate (2) is rotatably sleeved on the inner thread sleeve (6).

3. A geotechnical engineering survey well sampling apparatus according to claim 2, wherein: the combined drive rotating assembly comprises a first gear (7) fixedly sleeved on an inner threaded sleeve (6), an outer gear ring (8) fixedly sleeved on a sampling drill drum (3) is meshed with the left side of the first gear (7), a second gear (9) is meshed with the left side of the outer gear ring (8), and the top of the second gear (9) is fixedly connected with the bottom end of an output shaft of a driving motor (10).

4. The geotechnical engineering investigation well sampling device according to claim 1, wherein: push away row material subassembly including slip cap establish push pedal (11) in sample bore section of thick bamboo (3), the equal fixedly connected with T shape guide arm (12) in top both sides of push pedal (11), slip cap is equipped with guide pin bushing (13) with sample bore section of thick bamboo (3) inner wall fixed connection on T shape guide arm (12), fixedly connected with spring (14) between the top of guide pin bushing (13) and the top inner wall of corresponding T shape guide arm (12), spring (14) movable sleeve is established on corresponding T shape guide arm (12), push pedal (11) are located the below of extrusion pole (15) and cooperate with extrusion pole (15).

5. The geotechnical engineering investigation well sampling device according to claim 1, wherein: the top of the U-shaped supporting rod (4) is fixedly connected with a storage battery which is electrically connected with a driving motor (10).

6. The geotechnical engineering investigation well sampling device according to claim 1, wherein: the left side of the top of the lifting plate (2) is fixedly provided with an L-shaped seat, and the driving motor (10) is fixedly connected to the top of the L-shaped seat.

7. The geotechnical engineering investigation well sampling device according to claim 1, wherein: the U-shaped base (1) is characterized in that four corners of the bottom of the U-shaped base (1) are respectively connected with universal wheels (17) with locks in a rotating mode, threaded holes are formed in two sides of the top of the U-shaped base (1), and T-shaped anchor rods (18) are sleeved in the threaded holes.