CN212340709U

CN212340709U - Geotechnical layering sampling device in geotechnical engineering

Info

Publication number: CN212340709U
Application number: CN202021154371.2U
Authority: CN
Inventors: 庄著学
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-20
Filing date: 2020-06-20
Publication date: 2021-01-12
Anticipated expiration: 2030-06-20

Abstract

The utility model provides a geotechnical stratified sampling device in geotechnical engineering, which comprises a drill bit, wherein the drill bit is provided with a drill rod, the drill rod is of a tubular structure with an open upper end, and an operation frame can be detachably arranged at the upper end of the drill rod; a linkage rod is arranged in the drill rod along the length direction, the linkage rod movably penetrates through the operating frame, and a positioning and fixing component matched with the linkage rod is arranged on the operating frame; a plurality of connecting rods are arranged on the linkage rod at intervals along the length direction, the free end of each connecting rod is hinged with a sampling assembly, guide sleeves matched with the sampling assemblies one by one are arranged on the drill rod, and the outer ends of the guide sleeves are parallel to the drill rod; the utility model discloses simple structure, compactness can once accomplish the multilayer sample, labour saving and time saving, and the result of use is better.

Description

Geotechnical layering sampling device in geotechnical engineering

Technical Field

The utility model relates to a ground sampling device specifically is a ground layering sampling device among geotechnical engineering.

Background

Rock soil is a general term for any kind of rock and soil that make up the earth's crust from the viewpoint of engineering and construction. Rock and soil can be subdivided into five major categories of hard (hard rock), sub-hard (soft rock), weakly bonded, loosely unbonded, and with specific compositions, structures, states, and properties. The first two categories are called rock and the last three categories are called soil, which are collectively called rock and soil by Chinese custom.

Geotechnical sampling analysis is the indispensable step before various engineering constructions, and the geotechnical layer of different degree of depth has different properties, so need take a sample to the geotechnical layer of different degree of depth. But current sampling device can't once accomplish the multilayer sample, when the ground layer sample to the different degree of depth, and sampling device needs repetitive work, and efficiency is lower, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ground layering sampling device among geotechnical engineering to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a geotechnical stratified sampling device in geotechnical engineering comprises a drill bit, wherein a drill rod is arranged on the drill bit, the drill rod is of a cylindrical structure with an open upper end, and an operating frame is detachably arranged at the upper end of the drill rod; a linkage rod is arranged in the drill rod along the length direction, the linkage rod movably penetrates through the operating frame, and a positioning and fixing component matched with the linkage rod is arranged on the operating frame;

the linkage rod is provided with a plurality of connecting rods at intervals along the length direction, the free end of each connecting rod is hinged with a sampling assembly, the drill rod is provided with guide sleeves which are matched with the sampling assemblies one by one, and the outer ends of the guide sleeves are parallel to the drill rod.

As a further aspect of the present invention: the handling frame is composed of a turntable which is detachably arranged at the upper end of the drill rod and a plurality of handles which are arranged at intervals along the circumferential direction of the turntable.

As a further aspect of the present invention: the upper end of the drill rod is provided with a positioning ring, a plurality of positioning through holes are formed in the positioning ring at intervals along the circumferential direction, threaded rods which correspond to the positioning through holes one to one are arranged on the operating frame, and limiting nuts are arranged at the lower ends of the threaded rods.

As a further aspect of the present invention: the positioning fixing assembly comprises a positioning sleeve arranged on the operating frame, the linkage rod movably penetrates through the positioning sleeve, a fixing bolt penetrates through the positioning sleeve along the horizontal direction, and a yielding through hole matched with the fixing bolt is formed in the linkage rod.

As a further aspect of the present invention: a plurality of guide supporting rods are arranged in the drill rod at intervals along the length direction, and the linkage rod movably penetrates through the guide supporting rods.

As a further aspect of the present invention: the sampling assembly comprises a sliding rod hinged with the connecting rod, the sliding rod is connected with the guide sleeve in a sliding mode, a sampling rod is arranged at the free end of the sliding rod, and a conical head is arranged at the outer end of the sampling rod; a plurality of crushing teeth are arranged on the sampling rod at intervals along the length direction, and sample collecting grooves are arranged on the sampling rod between the adjacent crushing teeth.

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

the utility model adopts the above structure after, through mutually supporting of the gangbar that sets up, the fixed subassembly in location, each connecting rod, each sampling subassembly and each uide bushing, at the sample in-process, the sampling subassembly that the accessible gangbar drove each layer carries out the sampling operation, simple structure, and convenient operation once accomplishes the multilayer sample, labour saving and time saving, work efficiency is high. And, through mutually supporting of the slide bar that sets up, sampling rod, conical head, broken tooth and uide bushing, at the sampling in-process, through the mutually supporting messenger sampling rod of gangbar and connecting rod during stretching into the ground, carry out the breakage to the ground through broken tooth simultaneously, make things convenient for the ground to get into in the sample collecting vat, avoid the ground to bond and can't gather the sample, guarantee the result of use. The utility model discloses simple structure, compactness can once accomplish the multilayer sample, labour saving and time saving, and the result of use is better.

Drawings

Fig. 1 is a schematic structural view of a geotechnical stratified sampling apparatus in geotechnical engineering.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

Fig. 4 is a partially enlarged schematic view of C in fig. 1.

In the figure: 1. a drill bit; 2. a drill stem; 3. an operation frame; 301. a turntable; 302. a handle; 4. a linkage rod; 5. positioning and fixing the assembly; 501. a positioning sleeve; 502. fixing the bolt; 6. a connecting rod; 7. a sampling component; 701. a slide bar; 702. a sampling rod; 703. a conical head; 704. crushing teeth; 705. a sample collection tank; 8. a guide sleeve; 9. a positioning ring; 10. a threaded rod; 11. a limit nut; 12. and (4) guiding the supporting rod.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a layered geotechnical sampling device in geotechnical engineering comprises a drill bit 1, wherein a drill rod 2 is arranged on the drill bit 1, the drill rod 2 is of a cylindrical structure with an open upper end, and an operating frame 3 is detachably arranged at the upper end of the drill rod 2; a linkage rod 4 is arranged in the drill rod 2 along the length direction, the linkage rod 4 movably penetrates through the operating frame 3, and a positioning and fixing component 5 matched with the linkage rod 4 is arranged on the operating frame 3; a plurality of connecting rods 6 are arranged on the linkage rod 4 at intervals along the length direction, the free end of each connecting rod 6 is hinged with a sampling assembly 7, guide sleeves 8 matched with the sampling assemblies 7 one by one are arranged on the drill rod 2, and the outer ends of the guide sleeves 8 are level with the drill rod 2. Through mutually supporting of gangbar 4, the fixed subassembly 5 in location, each connecting rod 6, each sampling subassembly 7 and each uide bushing 8 that set up, at the sample in-process, the cooperation of accessible gangbar 4 and connecting rod 6 drives each layer's sampling subassembly 7 and carries out the sampling operation, simple structure, and convenient operation once accomplishes the multilayer sample, labour saving and time saving, work efficiency is high.

The operation frame 3 is composed of a rotary table 301 detachably arranged at the upper end of the drill rod 2 and a plurality of handles 302 arranged at intervals along the circumferential direction of the rotary table 301. Simple structure, convenient to use, sample in the rock soil is bored to the operatable sampling device.

Furthermore, the upper end of the drill rod 2 is provided with a positioning ring 9, a plurality of positioning through holes are formed in the positioning ring 9 at intervals along the circumferential direction, threaded rods 10 corresponding to the positioning through holes one to one are arranged on the operating frame 3, and limiting nuts 11 are arranged at the lower ends of the threaded rods 10. The handling frame 3 is detachably connected with the drill rod 2 through the matching of the positioning ring 9, the positioning through hole, the threaded rod 10 and the limiting nut 11, and parts inside the drill rod 2 can be overhauled, replaced and cleaned.

In addition, the positioning fixing component 5 comprises a positioning sleeve 501 arranged on the operating frame 3, the linkage rod 4 movably penetrates through the positioning sleeve 501, a fixing bolt 502 penetrates through the positioning sleeve 501 in the horizontal direction, and a yielding through hole matched with the fixing bolt 502 is formed in the linkage rod 4. Under the ordinary state, the linkage rod 4 is positioned and fixed through the matching of the positioning sleeve 501, the abdicating through hole and the fixing bolt 502, so that the sampling assembly 7 is accommodated in the guide sleeve 8.

Furthermore, a plurality of guide support rods 12 are arranged in the drill rod 2 at intervals along the length direction, and the linkage rod 4 movably penetrates through each guide support rod 12 and can guide the linkage rod 4, so that the linkage rod 4 can only move along the length direction, and the stability in use is ensured.

Specifically, the sampling assembly 7 comprises a sliding rod 701 hinged to the connecting rod 6, the sliding rod 701 is slidably connected with the guide sleeve 8, a sampling rod 702 is arranged at the free end of the sliding rod 701, and a conical head 703 is arranged at the outer end of the sampling rod 702; a plurality of crushing teeth 704 are provided on the sampling rod 702 at intervals in the length direction, and sample collecting grooves 705 are provided on the sampling rod 702 between the adjacent crushing teeth 704. Through mutually supporting of the slide bar 701 that sets up, sampling rod 702, conical head 703 and broken tooth 704, at the sampling in-process, through the mutually supporting of gangbar 4 and connecting rod 6 make sampling rod 702 stretch into the ground, carry out the breakage to the ground through broken tooth 704 simultaneously, make things convenient for the ground to get into in the sample collecting groove 705, avoid ground bonding unable sample collection, guarantee the result of use.

The utility model discloses a theory of operation is: when the sampling device is used, the sampling device is inserted into rock soil to a specified depth, then the fixing bolt 502 is taken out, and then downward force is applied to the linkage rod 4 to enable the linkage rod 4 to move downwards; at this moment, through mutually supporting of gangbar 4 and connecting rod 6, the sampling subassembly 7 of each layer outwards slides along uide bushing 8, then carries out the breakage to the ground through broken tooth 704, and the ground after the breakage gets into in the sample collecting groove 705. After sampling is completed, the linkage rod 4 is pulled upwards, the sampling assemblies 7 of all layers are collected into the guide sleeve 8, then the linkage rod 4 is positioned and fixed through the fixing bolt 502, and the sampling device can be drawn out from rock soil.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The geotechnical stratified sampling device in geotechnical engineering comprises a drill bit (1), and is characterized in that a drill rod (2) is arranged on the drill bit (1), the drill rod (2) is of a cylindrical structure with an open upper end, and an operating frame (3) is detachably arranged at the upper end of the drill rod (2); a linkage rod (4) is arranged in the drill rod (2) along the length direction, the linkage rod (4) movably penetrates through the operating frame (3), and a positioning and fixing component (5) matched with the linkage rod (4) is arranged on the operating frame (3);

a plurality of connecting rods (6) are arranged on the linkage rod (4) at intervals along the length direction, the free end of each connecting rod (6) is hinged with a sampling assembly (7), guide sleeves (8) matched with the sampling assemblies (7) one by one are arranged on the drill rod (2), and the outer ends of the guide sleeves (8) are level with the drill rod (2).

2. The geotechnical stratified sampling apparatus in geotechnical engineering according to claim 1, wherein said handling frame (3) is composed of a turntable (301) detachably disposed at an upper end of the drill rod (2) and a plurality of handles (302) circumferentially spaced along the turntable (301).

3. The geotechnical stratified sampling device in geotechnical engineering according to claim 1, wherein the upper end of the drill rod (2) is provided with a positioning ring (9), a plurality of positioning through holes are formed in the positioning ring (9) at intervals along the circumferential direction, threaded rods (10) corresponding to the positioning through holes one to one are arranged on the handling frame (3), and the lower ends of the threaded rods (10) are provided with limit nuts (11).

4. The geotechnical stratified sampling device in geotechnical engineering according to claim 1, wherein the fixed assembly (5) in location is including setting up position sleeve (501) on handling frame (3), and the gangbar (4) activity is passed position sleeve (501), wears to be equipped with fixing bolt (502) along the horizontal direction on position sleeve (501), is equipped with the through-hole of stepping down that suits with fixing bolt (502) on gangbar (4).

5. The geotechnical stratified sampling device in geotechnical engineering according to claim 1, wherein a plurality of guide support rods (12) are arranged at intervals along the length direction in the drill rod (2), and the linkage rod (4) movably penetrates through each guide support rod (12).

6. The geotechnical stratified sampling device in geotechnical engineering according to claim 1, wherein said sampling assembly (7) comprises a slide bar (701) hinged with a connecting bar (6), said slide bar (701) is slidably connected with a guide sleeve (8), a sampling bar (702) is arranged at the free end of the slide bar (701), and a conical head (703) is arranged at the outer end of the sampling bar (702); a plurality of crushing teeth (704) are arranged on the sampling rod (702) at intervals along the length direction, and sample collecting grooves (705) are arranged on the sampling rod (702) between the adjacent crushing teeth (704).