CN210243238U

CN210243238U - Geological exploration sampler

Info

Publication number: CN210243238U
Application number: CN201921099294.2U
Authority: CN
Inventors: Xianshun Yuan; 原显顺; Shengchen Liu; 刘晟辰; Changqing Fang; 方长青
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-03
Anticipated expiration: 2029-07-15

Abstract

The utility model discloses a geological exploration sampler mainly relates to the geological exploration field. Including the set casing, set casing internal thread connection has the drill bushing, the outer wall that the drill bushing is close to the top is equipped with the handle, the drill bushing bottom is equipped with the drill bit, be equipped with a plurality of sand grips on the drill bit outer wall, sliding connection has the sampling tube in the drill bushing, the sampling tube bottom is equipped with a plurality of flexure strips, the bottom is the infundibulate in the drill bushing, the sampling tube top is equipped with the resilience subassembly, the resilience subassembly is fixed on the drill bushing inner wall, the drill bit is hollow structure, the drill bit middle part communicates with each other with the drill bushing, the set casing outside articulates there is a plurality of supporting legs, the bottom of supporting leg is equipped with the. The beneficial effects of the utility model reside in that: make things convenient for exploration personnel probing, the labour saving operation has the fastening effect to the soil of sample simultaneously, guarantees the integrality of sample soil.

Description

Geological exploration sampler

Technical Field

The utility model relates to a geological exploration field specifically is a geological exploration sampler.

Background

The geological exploration is investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum and calculating foundation parameters. In the geological exploration process, an explorationist needs to drill and sample soil in order to know the distribution condition of the soil or rock stratum under the earth surface, and the explorationist generally drills and samples the soil manually when the soil sampling with low depth requirement is carried out.

In the process of manual drilling and sampling of an explorationist, the explorationist drills by using a machine similar to a drilling machine, but in the drilling process, the explorationist needs to manually apply pressure from the top to enable a drill bit to go deep into the ground, and therefore the explorationist needs to rotate a drill rod and press the drill rod downwards, so that the explorationist pays more labor during drilling, the sampling work with a larger area can be very laborious, and after the drilling and sampling, because a sampling device does not have a fastening effect on soil, the condition that the sampled soil leaks from the bottom is easily caused, and the geological analysis of a sampling position is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a geological exploration sampler, it makes things convenient for the exploration personnel probing, and the easy operation has the fastening effect to the soil of sample simultaneously, guarantees the integrality of sample soil.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:

the utility model provides a geological exploration sampler, includes the set casing, set casing internal thread connection has the drill bushing, the outer wall that the drill bushing is close to the top is equipped with the handle, drill bushing bottom is equipped with the drill bit, be equipped with a plurality of sand grips on the drill bit outer wall, sliding connection has the sampling tube in the drill bushing, the sampling tube bottom is equipped with a plurality of flexure strips, the bottom is the infundibulate in the drill bushing, the sampling tube top is equipped with the resilience subassembly, the resilience subassembly is fixed on the drill bushing inner wall, the drill bit is hollow structure, the drill bit middle part communicates with each other with the drill bushing, the set casing outside articulates there is a plurality of supporting legs, the bottom of supporting leg is equipped with.

Furthermore, sliding connection has the kickboard in the sampling tube, the kickboard upper surface is equipped with the sighting rod, the sighting rod top can be followed and worn out in the drill bushing.

Further, the rebound assembly comprises an upper baffle, a lower baffle and a spring, the upper baffle is fixed on the inner wall of the drill bushing, the lower baffle slides in the drill bushing, the spring is arranged between the upper baffle and the lower baffle, the lower baffle is positioned at the top of the sampling tube, and the upper baffle and the lower baffle are both annular.

Furthermore, a base plate is connected to the supporting legs in a sliding mode, and nuts are connected to the upper portion of the base plate and the supporting legs in a threaded mode.

Further, the outer wall of supporting leg bottom is equipped with a plurality of barbs.

Contrast prior art, the beneficial effects of the utility model reside in that:

1. the supporting legs outside the fixed shell are inserted into soil to fix the fixed shell, the fixed shell is prevented from rotating, a drill bushing is connected with the fixed shell in a threaded mode, a handle is arranged at the position, close to the top, of the drill bushing, the drill bushing is rotated by rotating the handle, and the drill bushing is connected with the fixed shell in a threaded mode, so that the drill bushing can be automatically fed downwards only by rotating the drill bushing, meanwhile, the drill bit is driven to rotate and feed downwards, drilling on the soil is achieved, an exploratory worker only needs to rotate the handle in the process, downward pressure does not need to be applied to enable the drill bit to feed downwards in the rotating process, drilling is more labor-saving, and the labor intensity of the exploratory worker is reduced;

2. sliding connection has the sampling tube in the drill bushing, the drill bit is hollow structure, at the in-process that the drill bit fed downwards, soil gets into the drill bushing and finally gets into in the sampling tube from the drill bit middle part, the bottom is the infundibulate in the drill bushing, the sampling tube bottom is equipped with a plurality of flexure strips along the circumferencial direction simultaneously, when the drill bushing is taken out to the probing completion, act on down in the time of resilience subassembly and gravity, the flexure strip of sampling tube bottom can be by the infundibulate space extrusion deformation of bottom in the drill bushing, make the flexure strip play the effect of fastening to the soil of sample, prevent that soil from spilling from the bottom, guarantee the integrality of soil sample.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 5 is an enlarged view of the portion C of fig. 3 according to the present invention.

Fig. 6 is an enlarged view of the D portion of fig. 3 according to the present invention.

Reference numerals shown in the drawings:

1. a stationary case; 2. drilling a sleeve; 3. a handle; 4. a drill bit; 5. a convex strip; 6. a sampling tube; 7. an elastic sheet; 8. supporting legs; 9. a conical head; 10. a floating plate; 11. a marker post; 12. an upper baffle plate; 13. a lower baffle plate; 14. a spring; 15. a base plate; 16. a nut; 17. and barbs.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.

The utility model relates to a geological exploration sampler, the main structure comprises a fixed shell 1, the edge of the section of the fixed shell 1 is rectangular, the inside of the fixed shell is provided with a through hole along the vertical direction, the inner thread of the fixed shell 1 is connected with a drill bushing 2, the length of the drill bushing 2 is more than or equal to twice of the height of the fixed shell 1, the outer wall of the drill bushing 2 close to the top end is provided with a handle 3, the drill bushing 2 is rotated by the handle 3 to move up and down along the thread inside the fixed shell 1, the bottom of the drill bushing 2 is connected with a drill bit 4 by a thread, the thread turning direction of the drill bit 4 is opposite to that of the fixed shell 1, the drill bit 4 is prevented from loosening during the drilling process, the outer wall of the drill bit 4 is provided with a plurality of raised lines 5, the drill bit 4 can conveniently drill in the soil, a sampling pipe 6 is slidably connected in the drill bushing 2, the bottom of the, in the process of taking out the drill bushing 2 after drilling, the sampling tube 6 is close to the bottom of the drill bushing 2 under the action of self gravity and the rebound component, at the moment, the funnel-shaped inner wall at the bottom in the drill bushing 2 extrudes the bottom of the elastic sheet 7, so that the elastic sheet 7 is funnel-shaped, the soil in the sampling tube 6 is fixed, the integrity of the sampled soil is ensured, the rebound component is arranged at the top of the sampling tube 6 and is fixed on the inner wall of the drill bushing 2, the rebound component gives a buffering effect to the sampling tube 6 in the process of feeding the drill bushing 2 downwards and gives a downward force to the sampling tube 6 in the process of being pressed and rebounded by the rebound component, so that the sampling tube 6 can take in the soil more easily, the drill bit 4 is of a hollow structure, the middle part of the drill bit 4 is communicated with the drill bushing 2, and in the drilling process, the soil enters the drill bushing 2 from a hole in the middle part of the drill bit 4 and, the fixed shell 1 outside articulates there are 4 supporting legs 8, and the articulated shaft is the damping axle, plays certain fixed action to the angle of supporting leg 8, makes to support more firm, the bottom of supporting leg 8 is equipped with conical head 9, conveniently inserts supporting leg 8 into soil, and the tip of conical head 9 is the fillet, prevents to prick the operating personnel.

Preferably, sliding connection has kickboard 10 in the sampling tube 6, kickboard 10 upper surface is equipped with sighting rod 11, and under inoperative state, 11 tops of sighting rod flush with 2 open-tops of drill bushing, 11 tops of sighting rod can wear out in the drill bushing 2, and kickboard 10 and sighting rod 11 adopt the template or the rubber slab that the quality is lighter, make the soil in the sampling tube 6 can hold up kickboard 10 and sighting rod 11, and at the in-process of probing the sample, the length that stretches out drill bushing 2 through sighting rod 11 comes rough estimation sample depth, makes the more audio-visual expression of drill depth, reduces unnecessary drill depth.

Preferably, the rebound assembly comprises an upper baffle 12, a lower baffle 13 and a spring 14, the upper baffle 12 is fixed on the inner wall of the drill bushing 2, the lower baffle 13 slides in the drill bushing 2, the spring 14 is arranged between the upper baffle 12 and the lower baffle 13, the lower baffle 13 is in contact with the top of the sampling tube 6, the upper baffle 12 and the lower baffle 13 are both annular, so that the marker post 11 can conveniently pass through, meanwhile, the top of the sampling tube 6 is provided with a limiting tube which is sleeved with a middle hole of the lower baffle 13 to ensure that the sampling tube 6 slides along the central axis of the drill bushing 2, the spring 14 and the lower baffle 13 play a role in buffering the sampling tube 6 during sampling, meanwhile, the rebound after the spring 14 is compressed exerts a downward force on the lower baffle 13 to push the sampling tube 6 to press downwards, and the sampling tube 6 has a downward impact process in a short distance between the rebound assembly and the inner bottom of the drill bushing 2 during drilling, the sampling tube 6 is easier to collect soil.

Preferably, sliding connection has backing plate 15 on the supporting leg 8, threaded connection has nut 16 on 15 upper portions of backing plate and the supporting leg 8, inserts supporting leg 8 after soil, lets backing plate 15 bottom and soil surface contact, then uses nut 16 to fasten backing plate 15, makes backing plate 15 and earth's surface firmly contact, has increased the area of contact of supporting leg 8 with the earth's surface in other words, makes the more stable fixing of set casing 1 on soil surface, guarantees the stability of probing process.

Preferably, the outer wall of supporting leg 8 bottom is equipped with a plurality of barbs 17, and barb 17 can not insert soil to supporting leg 8 and cause the hindrance, only provides certain resistance to taking out of supporting leg 8, guarantees the stability after supporting leg 8 inserts soil, guarantees going on smoothly of probing the sample.

The working principle is as follows: adjusting the angle of the supporting leg 8, inserting the supporting leg 8 into soil, fixing the fixed shell 1 on the ground, fastening a backing plate 15 on the ground through a nut 16, rotating the handle 3 to feed the drill bushing 2 to the ground along threads, allowing the underground soil to enter the drill bushing 2 from the drill bit 4 and be collected by the sampling tube 6, allowing an explorationist to roughly estimate the drilling depth by extending the length of the marker post 11 out of the drill bushing 2, applying an upward force to the sampling tube 6 after the soil enters the drill bushing 2, so that the sampling tube 6 presses the lower baffle 13 and contracts the spring 14, then applying a downward force to the sampling tube 6 by rebounding and pressing the lower baffle 13 through the spring 14, and allowing the sampling tube 6 to generate a short-distance downward impact process between the lower baffle 13 and the inner bottom of the drill bushing 2 during the drilling process, so that the sampling tube 6 can collect the soil more easily, and after the drilling is finished, with drill bushing 2 back-out, under the effect of gravity and spring 14 and lower baffle 13, the bottom contact in bottom and the drill bushing 2 of sampling tube 6, the hourglass hopper-shaped inner wall of bottom also extrudees into hourglass hopper-shaped with flexure strip 7 in the drill bushing 2, make flexure strip 7 play the effect of fastening to the soil of bottom, guarantee the integrality of sample soil, there is a sealed lid in drill bushing 2 bottom, open sealed lid and can take out sampling tube 2, the device simple structure simultaneously, small in size, the probing is more laborsaving, it is more convenient to make the exploration process.

Claims

1. A geological survey sampler, comprising: including set casing (1), set casing (1) internal thread connection has drill bushing (2), the outer wall that drill bushing (2) are close to the top is equipped with handle (3), drill bushing (2) bottom is equipped with drill bit (4), be equipped with a plurality of sand grips (5) on drill bit (4) outer wall, sliding connection has sampling tube (6) in drill bushing (2), sampling tube (6) bottom is equipped with a plurality of flexure strips (7), the bottom is the infundibulate in drill bushing (2), sampling tube (6) top is equipped with the resilience subassembly, the subassembly that kick-backs is fixed on drill bushing (2) inner wall, drill bit (4) are hollow structure, drill bit (4) middle part communicates with each other with drill bushing (2), set casing (1) outside articulates there are a plurality of supporting legs (8), the bottom of supporting leg (8) is equipped with conical head (9).

2. A geological survey sampler as claimed in claim 1, wherein: sliding connection has kickboard (10) in sampling tube (6), kickboard (10) upper surface is equipped with sighting rod (11), sighting rod (11) top can be followed and worn out in drill bushing (2).

3. A geological survey sampler as claimed in claim 1, wherein: the rebound assembly comprises an upper baffle (12), a lower baffle (13) and a spring (14), the upper baffle (12) is fixed on the inner wall of the drill bushing (2), the lower baffle (13) slides in the drill bushing (2), the spring (14) is arranged between the upper baffle (12) and the lower baffle (13), the lower baffle (13) is positioned at the top of the sampling tube (6), and the upper baffle (12) and the lower baffle (13) are annular.

4. A geological survey sampler as claimed in claim 1, wherein: the supporting legs (8) are connected with backing plates (15) in a sliding mode, and nuts (16) are connected to the upper portions of the backing plates (15) and the supporting legs (8) in a threaded mode.

5. A geological survey sampler as claimed in claim 1, wherein: the outer wall of supporting leg (8) bottom is equipped with a plurality of barbs (17).