CN214667822U

CN214667822U - Geotechnical engineering reconnaissance is with convenient sampling device

Info

Publication number: CN214667822U
Application number: CN202120976573.3U
Authority: CN
Inventors: 王立冬
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-09
Anticipated expiration: 2031-05-08

Abstract

The utility model relates to the technical field of rock-soil sampling, in particular to a convenient sampling device for geotechnical engineering investigation, which can accurately sample rock-soil with different depths, and comprises a supporting plate, wherein a plurality of supporting frames are arranged at four corners of the top end of the supporting plate, a bearing plate is arranged at the top end of the supporting frame, a driving device is arranged at the top end of the bearing plate, supporting columns are arranged at four corners of the bottom end of the supporting plate, a deep pipe is arranged at the bottom end of the driving device, a fixed plate is arranged inside the bottom of the deep pipe, a connecting shaft is arranged in the middle of the fixed plate, an internal thread is arranged inside the connecting shaft, a driving shaft is arranged inside the connecting shaft, a first stopper is arranged at the top end of the driving shaft, a second stopper is arranged in the middle of the driving shaft, an external thread is arranged at the top of the driving shaft, a baffle is arranged at the bottom end of the driving shaft, and a storage cavity is arranged between the baffle and the fixed plate, the bottom end of the baffle is provided with a drill bit.

Description

Geotechnical engineering reconnaissance is with convenient sampling device

Technical Field

The utility model relates to a ground sampling technical field specifically is a geotechnical engineering reconnaissance is with convenient sampling device.

Background

As is well known, geotechnical engineering investigation refers to the activities of finding out, analyzing and evaluating geological and environmental characteristics of a construction site and geotechnical engineering conditions and compiling investigation documents according to the requirements of construction engineering. The geotechnical sampling is to extract the undisturbed soil of the lower layer soil sample as a sample to know the properties of the base layer of the sample, and is used for analyzing the soil sample of the construction stratum in various engineering constructions. Because geological features on earth are comparatively complicated, carrying out geotechnical engineering reconnaissance in-process, carrying out the sample in-process, need take a sample to multiple type stratum sometimes, in the current geotechnical sampling device sample process, make the geotechnique of different levels drop to the bottom of pipeline very easily, the geotechnical on the sample is gathered contains the soil composition of the different degree of depth, influences the testing result, can cause certain error.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a can carry out the geotechnical engineering investigation of accurate sample to the ground of the different degree of depth and use convenient sampling device.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a geotechnical engineering reconnaissance is with convenient sampling device, which comprises a supporting plate, the four corners department on the top of backup pad all is provided with the several support frame, the top of support frame is provided with the bearing plate, the top of bearing plate is provided with drive arrangement, the four corners department of the bottom of backup pad all is provided with the support column, drive arrangement's bottom is provided with and gos deep into the pipe, the inside of going deep into the bottom of pipe is provided with the fixed plate, the middle part of fixed plate is provided with the connecting axle, the inside of connecting axle is provided with the internal thread, the internally mounted of connecting axle has the drive shaft, the top of drive shaft is provided with first stopper, the middle part of drive shaft is provided with the second stopper, the top of drive shaft is provided with the external screw thread, the bottom of drive shaft is provided with the baffle, be provided with the storage chamber between baffle and the fixed plate, the bottom of baffle is provided with the drill bit.

In order to make go deep into the pipe and can bore and move the ground layer, the utility model discloses an improvement has, and the bottom of going deep into the pipe is provided with the several opening.

In order to make the drive shaft damage the inside internal thread of connecting axle, the utility model discloses an improvement has, the outside external screw thread that sets up of drive shaft respectively with first stopper, be smooth setting between the second stopper to the diameter of drive shaft is less to its diameter is compared.

In order to make the drill bit bore the ground, the utility model discloses an improvement has, and the outside of drill bit is provided with the several separation blade.

More smooth and easy when making the drill bit anticlockwise rotation, the utility model discloses an improvement has, and every separation blade all is anticlockwise setting.

In order to make the device's fixity more stable, the utility model discloses an improvement has, and the bottom of every support column all is provided with the base.

(III) advantageous effects

Compared with the prior art, the utility model provides a geotechnical engineering reconnaissance is with convenient sampling device possesses following beneficial effect:

this convenient sampling device is used in geotechnical engineering reconnaissance, through the setting of deepening the pipe, can drive to go deep into pipe anticlockwise rotation through drive arrangement, make and go deep into the pipe and get into the ground layer, thereby the degree of depth on predetermined ground layer has been arrived, setting through the drill bit, drive arrangement drives and goes deep into pipe clockwise rotation, the internal thread of connecting axle and the external screw thread meshing of drive shaft, the drive shaft promotes the drill bit downstream, thereby make the drill bit further stretch into the ground layer, drive arrangement drives again and goes deep into pipe anticlockwise rotation, the drill bit upward movement and the baffle also upward movement, bring the ground into the inside of storing the chamber, thereby make the ground sampling can not receive the ground influence of the different degree of depth, and the error appears in effectual avoidance detection result.

Drawings

FIG. 1 is a schematic diagram of the present invention;

fig. 2 is a schematic front sectional view of the present invention;

FIG. 3 is an isometric view of the drill of the present invention;

fig. 4 is a partially enlarged structural view of a portion a shown in fig. 2 according to the present invention;

fig. 5 is a partially enlarged structural diagram of the point B shown in fig. 2 according to the present invention.

In the figure: 1. a support plate; 2. a support frame; 3. a bearing plate; 4. a drive device; 5. a support pillar; 6. a base; 7. penetrating into a pipe; 8. a fixing plate; 9. a connecting shaft; 10. a first stopper; 11. a second limiting block; 12. a drive shaft; 13. a baffle plate; 14. a drill bit; 15. a storage chamber; 16. a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model relates to a convenient sampling device for geotechnical engineering investigation, which comprises a support plate 1 for supporting, wherein a plurality of support frames 2 are arranged at four corners of the top end of the support plate 1 for supporting and fixing the support plate 3, the support frame 2 is provided at the top end thereof with the support plate 3 for fixing the drive device 4, the support plate 3 is provided at the top end thereof with a drive device 4 for driving a deep pipe 7 to rotate, the support columns 5 are arranged at four corners of the bottom end of the support plate 1 for stabilizing the support plate 1, the bottom end of each support column 5 is provided with a base 6 for increasing stability, the bottom end of the drive device 4 is provided with a deep pipe 7, the drive device 4 drives the deep pipe 7 to rotate and extend into a geotechnical layer, the bottom end of the deep pipe 7 is provided with a plurality of openings, the deep pipe 7 can drill the geotechnical layer, the fixing plate 8 is arranged inside the bottom of the deep pipe 7 to play a role of fixing the connecting shaft 9, the connecting shaft 9 is arranged in the middle of the fixing plate 8, when the deep pipe 7 rotates anticlockwise, internal threads inside the connecting shaft 9 and external threads of the driving shaft 12 rotate reversely, so that the external threads are not meshed with the internal threads, the drill bit 14 cannot stretch out, when the deep pipe 7 rotates clockwise, internal threads inside the connecting shaft 9 and external threads of the driving shaft 12 rotate oppositely, so that the external threads are meshed with the internal threads, the drill bit 14 stretches out, the internal threads are arranged inside the connecting shaft 9, the driving shaft 12 is arranged inside the connecting shaft 9 to play a role of driving and fixing the drill bit 14, external threads arranged outside the driving shaft 12 are smoothly arranged between the first limiting block 10 and the second limiting block 11 respectively, the diameter of the external threads is smaller than that of the driving shaft 12, and the internal threads inside the connecting shaft 9 are prevented from being damaged, the top of drive shaft 12 is provided with first stopper 10, prevent that drive shaft 12 from droing in the inside of connecting axle 9, the middle part of drive shaft 12 is provided with second stopper 11, make drive shaft 12 rise and can not continue to rise after the certain degree, the top of drive shaft 12 is provided with the external screw thread, the bottom of drive shaft 12 is provided with baffle 13, bring the ground into the inside of storing chamber 15 when drill bit 14 withdraws, be provided with between baffle 13 and the fixed plate 8 and store chamber 15, play the effect of storing the ground, the bottom of baffle 13 is provided with drill bit 14, play the effect of boring the ground layer, the outside of drill bit is provided with several separation blade 16, and every separation blade 16 all is anticlockwise setting, drill bit 14 can rotate more smoothly during anticlockwise rotation, increase the frictional force of drill bit 14 and ground during clockwise rotation, be convenient for drill bit 14 to stretch into the ground layer.

To sum up, this convenient sampling device is used in geotechnical engineering investigation, when using, fix the device on predetermined good position, drive arrangement 4 drives and goes deep into pipe 7 anticlockwise rotation, turn over into the inside in geotechnical layer downwards, after reaching predetermined degree of depth, drive arrangement 4 drives and goes deep into pipe 7 clockwise turning, the internal thread of connecting axle 9 inside and the external thread of drive shaft 12 rotate in opposite directions, therefore external screw thread and internal thread meshing, make drill bit 14 stretch out and get into the inside of geotechnical, baffle 13 also stretches out the inside of deep pipe 7 simultaneously, because go deep into pipe 7 and rotate and make the geotechnical of this degree of depth drop at the top of baffle 13 naturally, when drive arrangement 4 drives and goes deep into pipe 7 anticlockwise rotation once more, make drill bit 14 and baffle 13 withdraw the inside of deep pipe 7, and draw the inside of storing chamber 15 with the geotechnical, will go deep into pipe 7 and pull out at last and take out the soil sample.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a geotechnical engineering reconnaissance is with convenient sampling device, includes backup pad (1), its characterized in that: the supporting plate is characterized in that a plurality of supporting frames (2) are arranged at four corners of the top end of the supporting plate (1), a bearing plate (3) is arranged at the top end of the supporting frame (2), a driving device (4) is arranged at the top end of the bearing plate (3), supporting columns (5) are arranged at four corners of the bottom end of the supporting plate (1), a deep pipe (7) is arranged at the bottom end of the driving device (4), a fixing plate (8) is arranged inside the bottom of the deep pipe (7), a connecting shaft (9) is arranged in the middle of the fixing plate (8), internal threads are arranged inside the connecting shaft (9), a driving shaft (12) is mounted inside the connecting shaft (9), a first limiting block (10) is arranged at the top end of the driving shaft (12), a second limiting block (11) is arranged in the middle of the driving shaft (12), and external threads are arranged at the top of the driving shaft (12), the bottom of drive shaft (12) is provided with baffle (13), be provided with between baffle (13) and fixed plate (8) and store chamber (15), the bottom of baffle (13) is provided with drill bit (14).

2. The convenient sampling device for geotechnical engineering investigation of claim 1, wherein: the bottom end of the deep pipe (7) is provided with a plurality of openings.

3. The convenient sampling device for geotechnical engineering investigation of claim 1, wherein: the external threads arranged outside the driving shaft (12) are respectively arranged between the first limiting block (10) and the second limiting block (11) in a smooth mode, and the diameter of the external threads is smaller than that of the driving shaft (12).

4. The convenient sampling device for geotechnical engineering investigation of claim 1, wherein: a plurality of baffle plates (16) are arranged outside the drill bit.

5. The convenient sampling device is used in geotechnical engineering reconnaissance of claim 4, which is characterized in that: each baffle plate (16) is arranged anticlockwise.

6. The convenient sampling device for geotechnical engineering investigation of claim 1, wherein: the bottom of each support column (5) is provided with a base (6).