CN217059443U

CN217059443U - Hydrogeology sampling device

Info

Publication number: CN217059443U
Application number: CN202220633867.0U
Authority: CN
Inventors: 黄振飞; 罗建思; 韦覃杰; 张凌华
Original assignee: GUANGXI SOUTH CHINA GEOTECHNICAL ENGINEERING CO LTD
Current assignee: GUANGXI SOUTH CHINA GEOTECHNICAL ENGINEERING CO LTD
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-26
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a hydrogeology sampling device, comprising a base plate, bottom plate bottom both sides are connected respectively and are equipped with removal wheel and telescopic support, bottom plate top middle part is connected and is equipped with the riser, it is equipped with the guide way to connect on the riser, the connection is equipped with the fixed plate on the riser top, it is equipped with the motor to connect on the fixed plate, the power take off end of motor is connected and is equipped with the action wheel, the action wheel passes through the hold-in range and connects and be equipped with from the driving wheel, from driving wheel in-connection is equipped with the lead screw, the lead screw runs through the fixed plate and rotates the connection bottom plate, it is equipped with the sliding sleeve to connect on the lead screw, it is equipped with the guide block to connect on the sliding sleeve, guide block and guide way sliding fit, the guide block other end is connected and is equipped with the sampler barrel, the sampler barrel bottom is the round platform form setting, sampler barrel sliding connection is equipped with the screw barrel, the connection is equipped with the piston plate bottom the screw barrel sliding seal cooperation, piston plate and sampler barrel sliding seal. Compared with the prior art, the utility model the advantage lie in: is convenient for going deep into soil layer and sampling accurately in deep soil layer.

Description

Hydrogeology sampling device

Technical Field

The utility model relates to a sampling device technical field specifically indicates a hydrogeology sampling device.

Background

Hydrogeology, the branch of geology, refers to the phenomenon of various changes and movements of groundwater in nature. Hydrology and geology are the science for researching underground water, and mainly research the distribution and formation rule of the underground water, the physical property and chemical composition of the underground water, the underground water resource and the reasonable utilization thereof, the adverse effect of the underground water on engineering construction and mine exploitation, the prevention and the treatment thereof and the like; before road and bridge engineering construction, hydrogeological investigation is generally required to be carried out on a construction area so as to determine the underground water condition in the construction area and the influence condition of the underground water on the soil, and therefore, workers need to use a soil sampler to sample the soil of the construction area so as to carry out subsequent detection. However, current soil sampling device structure is comparatively simple (generally comprise thief rod and sampling tube), can only take a sample to soil surface usually, is difficult to go deep into the soil deep layer and takes a sample, has great limitation, even can go deep into the soil layer sample, also can receive the interference of upper strata soil layer and influence the testing result.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a hydrogeology sampling device convenient to go deep into the soil layer, be convenient for accurately take a sample at dark soil horizon.

In order to solve the technical problem, the utility model provides a technical scheme does: a hydrogeological sampling device comprises a bottom plate, wherein two sides of the bottom end of the bottom plate are respectively connected with a moving wheel and a telescopic support, the middle part of the top end of the bottom plate is connected with a vertical plate, the vertical plate is connected with a guide groove, the top end of the vertical plate is connected with a fixed plate, the fixed plate is connected with a motor, the power output end of the motor is connected with a driving wheel, the driving wheel is connected with a driven wheel through a synchronous belt, the driven wheel is internally connected with a lead screw, the lead screw penetrates through the fixed plate and is rotatably connected with the bottom plate, the lead screw is connected with a sliding sleeve, the sliding sleeve is connected with a guide block, the guide block is in sliding fit with the guide groove, the other end of the guide block is connected with a sampling cylinder, the bottom end of the sampling cylinder is arranged in a round platform shape, the sampling cylinder is connected with a threaded cylinder in a sliding manner, and the bottom of the threaded cylinder is connected with a piston plate, the piston plate is matched with the sampling cylinder in a sliding sealing mode, the bottom end of the threaded cylinder is connected with a sealing block, the sealing block is matched with the bottom end of the sampling cylinder in a sliding sealing mode, a first threaded rod is connected in the threaded cylinder in a connected mode and rotates to be connected with the sampling cylinder, and the other end of the threaded rod extends out of the sampling cylinder and is provided with a handle in an end portion connected mode.

Compared with the prior art, the utility model the advantage lie in: after the device is moved to a sampling place through the moving wheels, the device is fixed through the support; then through starter motor, motor drive action wheel, the action wheel passes through the hold-in range drive from the driving wheel, from driving wheel drive lead screw, lead screw drive sliding sleeve, sliding sleeve drive guide block moves along the guide way, guide block drive sampling tube is downward, the round platform of sampling tube bottom and the cooperation setting of sealed piece are convenient for reduce the resistance that the sampling tube stretches into the soil layer, when the sampling tube reachs the degree of depth of sample, turning handle, the first threaded rod of handle drive, first threaded rod drive screw thread section of thick bamboo, because screw thread section of thick bamboo and sampling tube sliding fit, make the screw thread section of thick bamboo can only reciprocate, screw thread section of thick bamboo drive piston plate and sealed piece are upwards, make the piston plate lower part form the negative pressure, be convenient for with the leading-in sampling tube of the soil layer of sampling depth department.

Further, the support is including connecting the screw hole of locating on the bottom plate, be equipped with the second threaded rod through threaded connection in the screw hole, the connection of second threaded rod top is equipped with the hand wheel, the connection of second threaded rod bottom is equipped with the backing plate, and through rotating the hand wheel, hand wheel drive second threaded rod, second threaded rod drive backing plate are downward, and then are convenient for support fixedly the device.

Furthermore, the sampling barrel bottom is connected and is equipped with the feed port, the feed port cooperates with sealed piece sliding seal, sealed piece bottom be with sampling barrel bottom complex conical structure, be convenient for cooperate the sampling barrel to increase pressure for the sampling barrel stretches into the soil layer more smoothly.

Further, connect on the lateral wall of sampling cylinder top and be equipped with the spout, the connection of screw thread section of thick bamboo top is equipped with the slider, slider and spout sliding fit avoid the screw thread section of thick bamboo to rotate along with the rotation of first threaded rod, are convenient for lead to the screw thread section of thick bamboo.

Furthermore, the sampling tube top is connected and is equipped with the gas pocket, and the upper portion of piston board produces the negative pressure is avoided in the setting of gas pocket.

Furthermore, the bottom plate is connected with a through groove, and the sampling cylinder can conveniently penetrate through the through groove and extend downwards.

Drawings

Fig. 1 is the utility model discloses a hydrogeology sampling device's spatial structure sketch map.

Fig. 2 is the utility model discloses a hydrogeology sampling device's schematic structure diagram.

As shown in the figure: 1. the sampling device comprises a bottom plate, 2, a moving wheel, 3, a vertical plate, 4, a guide groove, 5, a fixing plate, 6, a motor, 7, a driving wheel, 8, a driven wheel, 9, a screw rod, 10, a sliding sleeve, 11, a guide block, 12, a sampling cylinder, 13, a threaded cylinder, 14, a piston plate, 15, a sealing block, 16, a first threaded rod, 17, a handle, 18, a threaded hole, 19, a second threaded rod, 20, a hand wheel, 21, a backing plate, 22, a feeding hole, 23, a sliding groove, 24, a sliding block, 25, an air hole, 26 and a through groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to the attached drawings 1-2, a hydrogeological sampling device comprises a bottom plate 1, wherein two sides of the bottom end of the bottom plate 1 are respectively connected with a moving wheel 2 and a telescopic support, a vertical plate 3 is connected with the middle part of the top end of the bottom plate 1, a guide groove 4 is connected on the vertical plate 3, a fixed plate 5 is connected with the top end of the vertical plate 3, a motor 6 is connected on the fixed plate 5, a driving wheel 7 is connected with the power output end of the motor 6, a driven wheel 8 is connected with the driving wheel 7 through a synchronous belt, a lead screw 9 is connected in the driven wheel 8, the lead screw 9 penetrates through the fixed plate 5 and is rotatably connected with the bottom plate 1, a sliding sleeve 10 is connected on the lead screw 9, a guide block 11 is connected on the sliding sleeve 10, the guide block 11 is in sliding fit with the guide groove 4, and a sampling cylinder 12 is connected at the other end of the

guide block

11, 12 bottoms of sampler barrel are round platform form setting, 12 sliding connection of sampler barrel is equipped with

screw cylinder

13, 13 bottoms of screw cylinder are connected and are equipped with piston plate 14,

piston plate

14 and 12 sliding seal cooperation of sampler barrel, 13 bottoms of screw cylinder are connected and are equipped with sealed piece 15, sealed

piece

15 and 12 bottoms of sampler barrel sliding seal cooperation, 13 in-connection of screw cylinder is equipped with first threaded rod 16, first threaded rod 16 rotates and connects sampler barrel 12, the threaded rod other end extends sampler barrel 12 and is equipped with handle 17 in end connection.

The support comprises a threaded hole 18 connected with the bottom plate 1, a second threaded rod 19 is connected and arranged in the threaded hole 18 through threads, a hand wheel 20 is connected and arranged at the top end of the second threaded rod 19, and a backing plate 21 is connected and arranged at the bottom end of the second threaded rod 19; the bottom end of the sampling cylinder 12 is connected with a feeding hole 22, the feeding hole 22 is in sliding sealing fit with the sealing block 15, and the bottom end of the sealing block 15 is of a conical structure matched with the bottom end of the sampling cylinder 12; a sliding groove 23 is connected to the side wall of the top of the sampling tube 12, a sliding block 24 is connected to the top end of the threaded tube 13, and the sliding block 24 is in sliding fit with the sliding groove 23; the top end of the sampling tube 12 is connected with an air hole 25, and the bottom plate 1 is connected with a through groove 26.

When the utility model is implemented, after the device is moved to a sampling place by the moving wheel 2, the device is fixed by the support, the hand wheel 20 drives the second threaded rod 19 by rotating the hand wheel 20, and the second threaded rod 19 drives the backing plate 21 downwards, so that the device is conveniently supported and fixed; then, by starting the motor 6, the motor 6 drives the driving wheel 7, the driving wheel 7 drives the driven wheel 8 through a synchronous belt, the driven wheel 8 drives the screw rod 9, the screw rod 9 drives the sliding sleeve 10, the sliding sleeve 10 drives the guide block 11 to move along the guide groove 4, the guide block 11 drives the sampling cylinder 12 to move downwards, the circular truncated cone at the bottom end of the sampling cylinder 12 and the bottom end of the sealing block 15 are conical structures matched with the bottom end of the sampling cylinder 12, the sampling cylinder 12 is conveniently matched to increase pressure, and the sampling cylinder 12 can more smoothly extend into a soil layer; when the sampling cylinder 12 reaches the sampling depth, the handle 17 is rotated, the handle 17 drives the first threaded rod 16, the first threaded rod 16 drives the threaded cylinder 13, the threaded cylinder 13 can only move up and down due to the sliding fit of the sliding block 24 and the sliding groove 23, the threaded cylinder 13 is prevented from rotating along with the rotation of the first threaded rod 16, the threaded cylinder 13 is convenient to guide, the threaded cylinder 13 drives the piston plate 14 and the sealing block 15 to move up, the lower part of the piston plate 14 forms negative pressure, and a soil layer at the sampling depth is convenient to be led into the sampling cylinder 12; the provision of the air holes 25 prevents the upper portion of the piston plate 14 from generating a negative pressure.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A hydrogeological sampling device, comprising a base plate (1), characterized in that: the bottom end of the bottom plate (1) is respectively provided with a movable wheel (2) and a telescopic support, the middle part of the top end of the bottom plate (1) is connected with a vertical plate (3), the vertical plate (3) is connected with a guide groove (4), the top end of the vertical plate (3) is connected with a fixed plate (5), the fixed plate (5) is connected with a motor (6), the power output end of the motor (6) is connected with a driving wheel (7), the driving wheel (7) is connected with a driven wheel (8) through a synchronous belt, a lead screw (9) is connected in the driven wheel (8), the lead screw (9) penetrates through the fixed plate (5) and is rotatably connected with the bottom plate (1), the lead screw (9) is connected with a sliding sleeve (10), the sliding sleeve (10) is connected with a guide block (11), and the guide block (11) is in sliding fit with the guide groove (4), guide block (11) other end is connected and is equipped with sampler barrel (12), sampler barrel (12) bottom is the setting of round platform form, sampler barrel (12) sliding connection is equipped with threaded cylinder (13), threaded cylinder (13) bottom is connected and is equipped with piston plate (14), piston plate (14) and sampler barrel (12) sliding seal cooperation, threaded cylinder (13) bottom is connected and is equipped with sealed piece (15), sealed piece (15) and sampler barrel (12) bottom sliding seal cooperation, threaded cylinder (13) in-connection is equipped with first threaded rod (16), first threaded rod (16) rotate and connect sampler barrel (12), the threaded rod other end extends sampler barrel (12) and is equipped with handle (17) in end connection.

2. A hydrogeological sampling apparatus as defined in claim 1 wherein: the support is including connecting screw hole (18) of locating on bottom plate (1), be equipped with second threaded rod (19) through threaded connection in screw hole (18), second threaded rod (19) top is connected and is equipped with hand wheel (20), second threaded rod (19) bottom is connected and is equipped with backing plate (21).

3. A hydrogeological sampling apparatus as defined in claim 1 wherein: the sampling tube (12) bottom is connected and is equipped with feed port (22), feed port (22) and sealed piece (15) sliding seal cooperation, sealed piece (15) bottom be with sampling tube (12) bottom complex conical structure.

4. A hydrogeological sampling apparatus as defined in claim 1 wherein: connecting on the lateral wall of sampling tube (12) top and being equipped with spout (23), threaded cylinder (13) top is connected and is equipped with slider (24), slider (24) and spout (23) sliding fit.

5. A hydrogeological sampling device as defined in claim 1 wherein: the top end of the sampling tube (12) is connected with an air hole (25).

6. A hydrogeological sampling device as defined in claim 1 wherein: the bottom plate (1) is connected with a through groove (26).