CN212228446U

CN212228446U - Coal mine geological drilling sampler

Info

Publication number: CN212228446U
Application number: CN202021093442.2U
Authority: CN
Inventors: 罗擞; 李迎; 王航
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-12-25
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a sampler for coal mine geological drilling, which binds a sampling soil sample through a spiral rib to avoid the soil sample from falling off from a cylinder, and is characterized in that one end of the sampling cylinder is provided with a plurality of teeth to form a drill bit, at least two soil cutting teeth are arranged in the sampling cylinder and are close to one end of the sampling cylinder, a connecting rod is arranged at the other end of the sampling cylinder, a sampling rod is arranged at the other end of the sampling cylinder, a sealing shaft sleeve is arranged between the sampling rod and the sampling cylinder, the sampling rod extends into the sampling cylinder, a driving gear is arranged on the sampling rod and is positioned in the sampling cylinder, one end of a rotating shaft is arranged on the inner wall of one end of the sampling cylinder through a bearing, a driven gear is sleeved on the rotating shaft, the driven gear is meshed with the driving gear, a rotating core is fixedly arranged at the other end of the rotating shaft, a spiral chute is arranged on the inner wall of the, the spiral chute is in threaded connection with the rotary core, and one ends of the spiral ribs are arranged at the edge of the rotary core at equal angles.

Description

Coal mine geological drilling sampler

Technical Field

The utility model discloses colliery geological drilling sampler relates to a sampler of taking out soil sample in coal mine geological exploration, belongs to the coal mine equipment field. In particular to a sampler which binds a sampling soil sample through a spiral rib and avoids the soil sample from falling off from a cylinder.

Background

At present, often use the probing to form cylinder drilling in the stratum in geological exploration, divide and survey geological stratum with this, utilize sampling tool to take out the soil sample of the different degree of depth from the drilling simultaneously and carry out the analysis, but geological exploration sampler of current use is when taking a sample, because its bottom of sampler is opening form usually in order to guarantee the entering of soil sample, its soil sample relies on its and a section of thick bamboo inner wall's friction extrusion resistance to fix, fixed dynamics is little, this just leads to when the sampler is dug and is carried out in the drilling after soil sample, the easy landing of the inside soil sample of sampling tube, thereby cause the failure of sample.

Notice No. CN210293766U discloses a probing sampling device for prospecting, including bottom plate and probing section of thick bamboo, the breach is seted up at the top of bottom plate, the top fixedly connected with bracing piece of bottom plate, the surface sliding connection of bracing piece has the fly leaf, the surface of bracing piece is equipped with the scale marking, the inner wall fixedly connected with baffle of probing section of thick bamboo, the baffle is cut apart into the inside of probing section of thick bamboo and is rotated chamber and sample chamber, the interior diapire swing joint who rotates the chamber has the threaded rod, the top of baffle is equipped with the connecting rod, the top fixedly connected with movable plate of connecting rod, it fixes to rely on the passive extrusion force of friction of soil sample and inner wall simply in its probing section of thick bamboo of this sampling device, when promoting out the drilling.

Notice No. CN210243238U discloses a geological exploration sampler, 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 are a plurality of supporting legs, the bottom of supporting leg is equipped with the cone, and it is relatively poor to the fixed effect of the centre gripping of soil sample, the easy slippage of.

Disclosure of Invention

In order to improve the condition, the utility model discloses colliery geological drilling sampler provides one kind and bindes the sample soil sample through the spiral muscle, avoids the sampler that the soil sample drops in from a section of thick bamboo.

The utility model discloses colliery geological drilling sampler is realized like this: the coal mine geological drilling sampler of the utility model consists of a sampling rod, a connecting rod, a sampling cylinder, a drill bit, a sealing shaft sleeve, a supporting sleeve, a driven gear, a rotating shaft, a spiral chute, a soil cutting tooth, a spiral rib, a rotating core, a limiting ring and a driving gear,

a plurality of teeth are arranged at one end of the sampling cylinder to form a drill bit, at least two soil cutting teeth are arranged in the sampling cylinder and are close to one end of the sampling cylinder, a connecting rod is arranged at the other end of the sampling cylinder, a sampling rod is arranged at the other end of the sampling cylinder, a sealing shaft sleeve is arranged between the sampling rod and the sampling cylinder, the sampling rod extends into the sampling cylinder, a driving gear is arranged on the sampling rod and is positioned in the sampling cylinder, one end of a rotating shaft is arranged on the inner wall of one end of the sampling cylinder through a bearing, the driven gear is sleeved on the rotating shaft, the driven gear is meshed with the driving gear, a rotating core is fixedly arranged at the other end of the rotating shaft, a spiral chute is arranged on the inner wall of the sampling cylinder and is positioned below a limit ring, the spiral chute is in threaded connection with the rotating core, one ends of a plurality of spiral ribs are arranged at the edge of the rotating core at equal angles, the other ends, the limiting ring is fixedly arranged in the sampling cylinder and is close to the other end of the sampling cylinder, the limiting ring is positioned above the rotating core, and the sampling rod is provided with an identifier;

furthermore, the sampling cylinder is divided into an upper section and a lower section, a fixing sleeve is formed on the lower section, and the upper section and the lower section of the sampling cylinder are in threaded connection.

Has the beneficial effects.

Firstly, bind the sample soil sample through the spiral muscle, avoid the soil sample to drop from a section of thick bamboo.

And secondly, the spiral screwing binding structure can perform annular longitudinal bidirectional binding on the soil sample, and the soil fixing effect is good.

Drawings

FIG. 1 is a three-dimensional structure diagram of the coal mine geological drilling sampler of the present invention;

FIG. 2 is a schematic structural view of the coal mine geological drilling sampler of the present invention;

FIG. 3 is a three-dimensional structure diagram of the spiral rib inside the coal mine geological drilling sampler of the present invention;

figure 4 the utility model discloses coal mine geological drilling sampler embodiment 2's schematic structure diagram.

In the attached drawings

Wherein the method comprises the following steps: the sampler comprises a sampling rod 1, a connecting rod 2, a sampling cylinder 3, a drill bit 4, a sealing shaft sleeve 5, a supporting sleeve 6, a driven gear 7, a rotating shaft 8, a spiral chute 9, a soil cutting tooth 10, a spiral rib 11, a rotating core 12, a limiting ring 13, a driving gear 14 and a fixing sleeve 15.

The specific implementation mode is as follows:

example 1

The utility model discloses colliery geological drilling sampler is realized like this: the utility model discloses coal mine geological drilling sampler comprises sampling arm 1, connecting rod 2, sampler barrel 3, drill bit 4, sealed axle sleeve 5, support cover 6, driven gear 7, pivot 8, spiral spout 9, soil-cutting tooth 10, spiral muscle 11, commentaries on classics core 12, spacing ring 13 and drive gear 14, sampling barrel 3's one end is put a plurality of teeth and is formed drill bit 4, and at least two soil-cutting teeth 10 are arranged in sampler barrel 3, and are close to the one end of sampler barrel 3, and connecting rod 2 is arranged on the other end of sampler barrel 3, and sampling arm 1 is arranged on the other end of sampler barrel 3, sealed axle sleeve 5 is put between sampling arm 1 and sampler barrel 3, sampling arm 1 extends to in sampler barrel 3, and drive gear 14 is arranged on sampling arm 1, and is located sampler barrel 3, and the one end of pivot 8 is arranged on the inner wall of sampler barrel 3 through the bearing, and driven gear 7 is nested on pivot 8, the driven gear 7 is meshed with the driving gear, the rotating core 12 is fixedly arranged at the other end of the rotating shaft 8, the spiral chute 9 is arranged on the inner wall of the sampling cylinder 3, the spiral chute 9 is positioned below the limiting ring 13, the spiral chute 9 is in threaded connection with the rotating core 12, one end of each spiral rib 11 is arranged at the edge of the rotating core 12 at an equal angle, the other end of each spiral rib 11 extends downwards in a spiral manner and is fixedly connected with the upper soil cutting tooth 10, the limiting ring 13 is fixedly arranged in the sampling cylinder 3 and is close to the other end of the sampling cylinder 3, the limiting ring 13 is positioned above the rotating core 12, and the sampling rod 1 is provided with an identifier;

during the use, spiral muscle 11 and the laminating of 3 inner walls of sampler barrel under initial condition, be connected device and current probing device rig through connecting rod 2, the rig starts to drive the sampler and rotates, it drills to the soil sample, after the soil sample has been taken a sample in sampler barrel 3, ground staff revolves revolving sampling rod 1, sampling rod 1 rotates and drives drive gear 14 and rotates, drive gear 14 rotates and drives driven gear 7 and rotate, driven gear 7 rotates and drives pivot 8 and rotate, pivot 8 rotates and drives commentaries on classics core 12 and rotates, make commentaries on classics core 12 along spiral spout 9 rotation downwards, drive spiral muscle 11 with this and revolve wrong and exert force to the soil sample, thereby avoid the soil sample to drop, spiral revolves to twist and twists the binding structure, can carry out the annular vertical two-way binding to the soil sample, it is effectual to consolidate.

Example 2

The difference between this example and example 1 is: the sampling cylinder 3 is divided into an upper section and a lower section, a fixing sleeve 15 is formed on the lower section, and the upper section and the lower section of the sampling cylinder 3 are in threaded connection; when the sampling tube 3 is used, the sampling tube 3 can be screwed and disassembled, so that a soil sample in the sampling tube 3 can be conveniently taken out;

the design that the sealing shaft sleeve 5 is arranged between the sampling rod 1 and the sampling cylinder 3 can limit the sampling rod 1 and prevent the soil sample from leaking due to the reduction of air pressure in the sampling cylinder 3;

the design that the identifier is arranged on the sampling rod 1 can judge the direction needing to be screwed, and the operation is convenient;

the purpose of binding the sampling soil sample through the spiral ribs 11 and avoiding the soil sample from falling off from the barrel is achieved.

The above embodiments are the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

It should also be noted that, unless otherwise specifically stated or limited, the terms "disposed on," "mounted on," "connected to" and "connected to" are to be construed broadly and may include, for example, a fixed connection such as a crimped connection, a riveted connection, a pinned connection, an adhesive connection, a welded connection, a removable connection such as a threaded connection, a snap connection, a hinged connection, an integral connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A coal mine geological drilling sampler is characterized in that: the sampling device comprises a sampling rod, a connecting rod, a sampling cylinder, a drill bit, a sealing shaft sleeve, a supporting sleeve, a driven gear, a rotating shaft, a spiral chute, soil cutting teeth, spiral ribs, a rotary core, a limiting ring and a driving gear, wherein a plurality of teeth are arranged at one end of the sampling cylinder to form the drill bit, at least two soil cutting teeth are arranged in the sampling cylinder and are close to one end of the sampling cylinder, the connecting rod is arranged at the other end of the sampling cylinder, the sampling rod is arranged at the other end of the sampling cylinder, the sealing shaft sleeve is arranged between the sampling rod and the sampling cylinder, the sampling rod extends into the sampling cylinder, the driving gear is arranged on the sampling rod and is positioned in the sampling cylinder, one end of the rotating shaft is arranged on the inner wall of one end of the sampling cylinder through a bearing, the driven gear is arranged on the rotating shaft in a sleeved mode, the driven gear is meshed with the driving gear, the rotary core is fixedly arranged at, the spiral chute is in threaded connection with the rotary core, and the limiting ring is fixedly arranged in the sampling cylinder and is close to the other end of the sampling cylinder.

2. The coal mine geological drilling sampler according to claim 1, wherein the sampling cylinder is divided into an upper section and a lower section, the lower section forms a fixed sleeve, and the upper section and the lower section of the sampling cylinder are screwed with each other.

3. A coal mine geological drilling sampler as recited in claim 1, wherein said sampling rod has an identifier disposed thereon.

4. A coal mine geological drilling sampler as recited in claim 1, wherein said stop collar is positioned above said rotary core.

5. The coal mine geological drilling sampler according to claim 1, wherein one end of a plurality of spiral ribs is arranged at the edge of the rotary core at equal angles, and the other end of each spiral rib extends downwards in a spiral manner and is fixedly connected with the upper soil cutting teeth.