CN215169852U

CN215169852U - Exploration drill bit for coal mining

Info

Publication number: CN215169852U
Application number: CN202121802310.7U
Authority: CN
Inventors: 蒋宇帆
Original assignee: Wanbei Coal Electricity Group Co ltd
Current assignee: Wanbei Coal Electricity Group Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-12-14
Anticipated expiration: 2031-08-03

Abstract

The application discloses coal mining is with exploration drill bit, including sample drum, helical blade, cutting tooth, installation head, rig pole, construction bolt, pivot, carousel, magnet piece, rubber cushion, installation jack, scrape strip, toper hole, connecting axle, conical gear, toper tooth head, bearing and bleeder vent. The mining exploration drill bit has the advantages that the barrel cavity in the sampling barrel is used for embedding a sample, the whole exploration drill bit is improved, the scraping strips which are installed in a rotating mode are additionally arranged, the scraping strips are driven to rotate, the inner wall of the sampling barrel can be scraped conveniently, the sample can be separated from the sampling barrel conveniently, and the sample can be taken out conveniently; when scraping drive is carried out simultaneously, the conical gear and the conical tooth head are in meshing transmission, and the transmission ratio between the conical gear and the conical tooth head is utilized, so that speed reduction transmission is realized, the driving force required by manpower is reduced, and the labor intensity for manually taking out samples is reduced.

Description

Exploration drill bit for coal mining

Technical Field

The application relates to an exploration drill bit, in particular to an exploration drill bit for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines; when the coal bed is far away from the ground surface, a tunnel is excavated to the underground to mine coal, which is a mineworker coal mine; when the coal bed is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface soil layer, namely an open pit coal mine; the vast majority of coal mines in China belong to underground coal mines; coal mines span a large area including above ground, below ground and related facilities; coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks; it is formed by that the flourishing plants grown in a certain geologic age are gradually piled up into a thick layer in a proper geologic environment, and are buried in the water bottom or silt, and then are subjected to the natural coalification action in a long geologic age.

When coal mining operation is carried out, sampling is carried out through an exploration drill bit; after the existing sampling probe is used for sampling, the soil sample in the existing sampling probe can be difficult to take out, so that the existing sampling probe is inconvenient to use. Therefore, an exploration drill bit for coal mining is proposed to address the above problems.

Disclosure of Invention

In order to solve the defects of the prior art, the application provides an exploration drill bit for coal mining, which comprises a sampling cylinder, wherein an installation head is fixedly installed at the center of the top of the sampling cylinder, the installation head is connected with a drilling machine rod, a scraping strip is arranged inside the sampling cylinder, the top of the scraping strip is fixedly connected with a connecting shaft, the connecting shaft is rotatably connected with the center of the inner wall of the top of the sampling cylinder, a conical inner hole is formed inside the installation head, a rotating shaft is rotatably installed on one side of the installation head, a conical tooth head is arranged at one end of the rotating shaft and is meshed with a conical gear, and a turntable is fixedly sleeved at the tail end of the rotating shaft; the rotating shaft is horizontally arranged, the connecting shaft is vertically arranged, and the top of the sampling cylinder is provided with an air hole.

Furthermore, the bottom of sampling cylinder is provided with the open end, and the top of sampling cylinder is provided with the closed end.

Furthermore, a plurality of cutting teeth are uniformly arranged on the periphery of the bottom end of the sampling cylinder.

Furthermore, spiral blades are uniformly arranged on the periphery of the outer cylinder wall of the sampling cylinder.

Furthermore, the mounting head is connected with a mounting jack arranged at the bottom end of the drilling machine rod in an embedded mode, and a plurality of mounting bolts are uniformly mounted on the periphery of the mounting head and the periphery of the drilling machine rod.

Further, the inside of rig pole is provided with the magnet piece, be provided with the rubber cushion between magnet piece and the installation head top.

Further, the scraping strip is of an L-shaped rod-shaped structure and is in contact with the inner side wall of the sampling cylinder and the inner wall of the top of the sampling cylinder.

Further, bearings are sleeved on the connecting shaft and the rotating shaft.

Furthermore, the diameter of the conical gear is three times of that of the conical tooth head, and tooth grooves are uniformly formed in the periphery of the conical tooth head.

Furthermore, the turntable is of a disc-shaped structure, and the surface of the turntable is fixedly wrapped with a rubber soft sleeve.

The beneficial effect of this application is: the application provides a coal mining exploration drill bit convenient for taking out and separating an internal soil sample; whole exploration drill bit is used for the sample when coal mining exploration operation, be used for imbedding the sample through the inside barrel chamber of sample drum, whole improve on current exploration drill bit, the strip of scraping of rotation installation has been add, scrape the strip through the drive and rotate, thereby be convenient for take a sample the scraping of drum inner wall, thereby be convenient for carry out the separation of sample and sample drum, thereby be convenient for take out of sample, its drive is realized through rotating the carousel, carry out the transmission through inside transmission structure, thereby realize the rotation drive of scraping the strip.

When scraping drive is carried out simultaneously, the conical gear and the conical tooth head are in meshing transmission, and the transmission ratio between the conical gear and the conical tooth head is utilized, so that speed reduction transmission is realized, the driving force required by manpower is reduced, and the labor intensity for manually taking out samples is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a perspective view of an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of an overall structure of an embodiment of the present application;

FIG. 3 is an enlarged view of the portion A of FIG. 2 according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a connecting structure of the wiper strip and the bevel gear according to an embodiment of the present application.

In the figure: 1. the device comprises a sampling cylinder, 2, a spiral blade, 3, a cutting tooth, 4, a mounting head, 5, a drill rod, 6, a mounting bolt, 7, a rotating shaft, 8, a rotary table, 9, a magnet block, 10, a rubber cushion, 11, a mounting jack, 12, a scraping strip, 13, a conical inner hole, 14, a connecting shaft, 15, a conical gear, 16, a conical tooth head, 17, a bearing, 18 and air holes.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1-4, an exploration drill bit for coal mining comprises a sampling cylinder 1, wherein an installation head 4 is fixedly installed at the center of the top of the sampling cylinder 1, the installation head 4 is provided with an installation structure for fixed installation and is connected with a drill rod 5 to realize installation, the drill rod 5 is driven by a drill to rotate, so that the whole exploration drill bit is driven to rotate and simultaneously drills into a soil layer, a soil sample is embedded into the sampling cylinder 1, sampling is completed, and in the specific process, the soil layer is cut through a spiral blade 2 and a cutting tooth 3; the mounting head 4 is connected with the drilling machine rod 5, the scraping strip 12 is arranged in the sampling cylinder 1, the scraping strip 12 can be used for scraping the inner wall of the sampling cylinder 1, so that a soil sample can be conveniently separated, the whole using effect is good, the top of the scraping strip 12 is fixedly connected with the connecting shaft 14, the connecting shaft 14 is rotatably connected with the center of the inner wall of the top of the sampling cylinder 1, the mounting head 4 is internally provided with a conical inner hole 13, one side of the mounting head 4 is rotatably provided with the rotating shaft 7, one end of the rotating shaft 7 is provided with the conical tooth head 16, the conical tooth head 16 is meshed and connected with the conical gear 15, the tail end of the rotating shaft 7 is fixedly sleeved with the turntable 8 for sampling in coal mining exploration operation, a sample is embedded in a cylinder cavity in the sampling cylinder 1, the whole body is improved on the existing exploration drilling head, and the rotatably mounted scraping strip 12 is additionally arranged, the scraping strip 12 is driven to rotate, so that the inner wall of the sampling cylinder 1 can be scraped conveniently, the sample can be separated from the sampling cylinder 1 conveniently, the sample can be taken out conveniently, the driving is realized by rotating the turntable 8, and the transmission is realized by an internal transmission structure, so that the rotating driving of the scraping strip 12 is realized;

the rotating shaft 7 is horizontally arranged, the connecting shaft 14 is vertically arranged, and the top of the sampling cylinder 1 is provided with the air holes 18 to realize transmission, so that a user can conveniently operate the sampling cylinder 1 by positioning the manual driving position in the horizontal direction, the sampling cylinder 1 is used for ventilation, and the situation that soil samples are difficult to enter the sampling cylinder 1 due to complete sealing inside the sampling cylinder 1 is avoided;

after the sample, take out whole exploration drill bit, then carry out taking out of soil sample, through rotating carousel 8, thereby make pivot 7 rotate, the transmission of meshing is carried out through conical tooth head 16 and the conical gear 15 of pivot 7 tip, realize the deceleration, make connecting axle 14 rotate, rotate the in-process, scrape through scraping strip 12 and take out the scraping of 1 inner wall of sample drum, thereby make soil sample and the separation of 1 inner wall of sample drum, the separation of the soil sample of being convenient for takes out, facilitate the use.

The bottom end of the sampling cylinder 1 is provided with an open end, the top end of the sampling cylinder 1 is provided with a closed end, the closed end of the sampling cylinder 1 is used for blocking, the open end of the sampling cylinder 1 is used for the entering of a soil sample, and the soil sample is filled in the sampling cylinder 1, so that the sampling is realized, and the exploration operation is completed; a plurality of cutting teeth 3 are uniformly arranged on the periphery of the bottom end of the sampling cylinder 1, the cutting teeth 3 are positioned at the bottom end of the sampling cylinder, when the sampling cylinder 1 rotates, the cutting teeth 3 rotate to cut soil and enter the soil, and simultaneously, the sampling cylinder 1 also descends to penetrate into the soil to sample; the periphery of the outer cylinder wall of the sampling cylinder 1 is uniformly provided with the spiral blades 2, and when exploration operation is carried out, the spiral blades 2 also carry out cutting scrap conveying on soil, so that the whole exploration drill bit can conveniently enter the soil; the mounting head 4 is connected with a mounting jack 11 arranged at the bottom end of the drilling machine rod 5 in an embedded mode, a plurality of mounting bolts 6 are uniformly mounted on the periphery of the mounting head 4 and the periphery of the drilling machine rod 5, so that the spiral blade 2 and the mounting head 4 are fixedly mounted, mounting and dismounting of the mounting bolts 6 are achieved during dismounting and mounting operations, mounting is achieved through the mounting bolts 6, and overall mounting is stable; the drill rod 5 is internally provided with a magnet block 9, a rubber cushion 10 is arranged between the magnet block 9 and the top end of the mounting head 4, when the whole exploration drill bit is fixedly mounted, the mounting head 4 and the magnet block 9 are used for magnetic adsorption, the connection effect is improved, meanwhile, the rubber cushion 10 is provided and used for filling, gaps are formed between the mounting head 4 and the magnet block 9 after mounting is avoided, the mounting effect is influenced, meanwhile, the whole mounting effect is improved through the magnetic adsorption effect, meanwhile, the limit of the mounting bolt 6 before mounting is realized through the magnetic adsorption, and the whole exploration drill bit is prevented from being continuously and manually supported; the scraping strip 12 is of an L-shaped rod-shaped structure, the scraping strip 12 is in contact with the inner side wall of the sampling cylinder 1 and the inner wall of the top of the sampling cylinder 1, and the scraping strip 12 can scrape the inner side wall of the sampling cylinder 1 and the inner wall of the top of the sampling cylinder 1 through the L-shaped arrangement when rotating, so that an L-shaped design is provided, scraping of two surfaces can be performed, and the integral separation effect is good; the connecting shaft 14 and the rotating shaft 7 are sleeved with bearings 17, and the rotating installation of the connecting shaft 14 and the rotating shaft 7 is realized through the design of the bearings 17; the diameter of the conical gear 15 is three times of that of the conical gear head 16, tooth grooves are uniformly formed in the periphery of the conical gear head 16, when scraping driving is conducted, meshing transmission is conducted through the conical gear 15 and the conical gear head 16, and speed reduction transmission is achieved through the transmission ratio between the conical gear 15 and the conical gear head 16, namely the diameter ratio between the conical gear 15 and the conical gear head 16, so that the driving force required by manpower is reduced, the labor intensity of taking out a sample manually is reduced, and the whole device is convenient to use; the carousel 8 is disc type structure, the fixed surface parcel of carousel 8 has the rubber soft cover, is convenient for carry out gripping of hand, carries out holistic rotation, rotates through the manual work to realize the drive, through the compliance of rubber soft cover, improved the comfort level that grips.

The using method comprises the following steps: when the device is integrally used, a drilling machine is used for driving a drilling machine rod 5 to rotate, so that the whole exploration drill bit is driven to rotate and simultaneously drills into a soil layer, a soil sample is embedded into the sampling cylinder 1, sampling is completed, and in the concrete process, the soil layer is cut through the spiral blade 2 and the cutting teeth 3;

The application has the advantages that:

whole exploration drill bit is used for the sample when coal mining exploration operation, be used for imbedding the sample through the inside barrel cavity of sample drum 1, whole improvement has been carried out on current exploration drill bit, the scraping strip 12 of rotation installation has been add, scrape the strip 12 through the drive and rotate, thereby be convenient for take a sample and scrape of 1 inner wall of drum, thereby be convenient for carry out the separation of sample and sample drum 1, thereby be convenient for take out of sample, its drive is realized through rotating carousel 8, carry out the transmission through inside transmission structure, thereby realize scraping the rotation drive of strip 12.

When scraping driving is carried out simultaneously, meshing transmission is carried out through the conical gear 15 and the conical tooth head 16, and speed reduction transmission is realized through the transmission ratio between the conical gear 15 and the conical tooth head 16, so that the driving force required by manual work is reduced, and the labor intensity of taking out samples manually is reduced.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An exploration drill bit for coal mining, characterized in that: the drilling machine comprises a sampling cylinder (1), wherein an installing head (4) is fixedly installed at the center of the top of the sampling cylinder (1), the installing head (4) is connected with a drilling machine rod (5), a scraping strip (12) is arranged inside the sampling cylinder (1), the top of the scraping strip (12) is fixedly connected with a connecting shaft (14), the connecting shaft (14) is rotatably connected with the center of the inner wall of the top of the sampling cylinder (1), a conical inner hole (13) is formed inside the installing head (4), a rotating shaft (7) is rotatably installed on one side of the installing head (4), a conical tooth head (16) is arranged at one end of the rotating shaft (7), the conical tooth head (16) is meshed with a conical gear (15) and is connected with a rotary table (8) in a fixed sleeved mode at the tail end of the rotating shaft (7);

the rotating shaft (7) is horizontally arranged, the connecting shaft (14) is vertically arranged, and the top of the sampling cylinder (1) is provided with an air hole (18).

2. An exploration drill bit for coal mining according to claim 1, characterized in that: the bottom of sampling cylinder (1) is provided with the open end, the top of sampling cylinder (1) is provided with the closed end.

3. An exploration drill bit for coal mining according to claim 1, characterized in that: and a plurality of cutting teeth (3) are uniformly arranged on the periphery of the bottom end of the sampling cylinder (1).

4. An exploration drill bit for coal mining according to claim 1, characterized in that: spiral blades (2) are uniformly arranged on the periphery of the outer cylinder wall of the sampling cylinder (1).

5. An exploration drill bit for coal mining according to claim 1, characterized in that: the mounting head (4) is connected with a mounting jack (11) arranged at the bottom end of the drilling machine rod (5) in an embedded mode, and a plurality of mounting bolts (6) are uniformly mounted on the periphery of the mounting head (4) and the periphery of the drilling machine rod (5).

6. An exploration drill bit for coal mining according to claim 1, characterized in that: the drilling machine is characterized in that a magnet block (9) is arranged inside the drilling machine rod (5), and a rubber cushion (10) is arranged between the magnet block (9) and the top end of the mounting head (4).

7. An exploration drill bit for coal mining according to claim 1, characterized in that: the scraping strip (12) is of an L-shaped rod-shaped structure, and the scraping strip (12) is in contact with the inner side wall of the sampling cylinder (1) and the inner wall of the top of the sampling cylinder (1).

8. An exploration drill bit for coal mining according to claim 1, characterized in that: and bearings (17) are sleeved on the connecting shaft (14) and the rotating shaft (7).

9. An exploration drill bit for coal mining according to claim 1, characterized in that: the diameter of the conical gear (15) is three times of that of the conical gear head (16), and tooth grooves are uniformly formed in the periphery of the conical gear head (16).

10. An exploration drill bit for coal mining according to claim 1, characterized in that: the rotary table (8) is of a disc-shaped structure, and the surface of the rotary table (8) is fixedly wrapped with a rubber soft sleeve.