CN216008399U

CN216008399U - Rock core drill bit for solid mineral exploration

Info

Publication number: CN216008399U
Application number: CN202121511899.5U
Authority: CN
Inventors: 佐丽晶
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-05
Filing date: 2021-07-05
Publication date: 2022-03-11
Anticipated expiration: 2031-07-05

Abstract

The utility model discloses a core drill for solid mineral exploration, relates to the technical field of mineral exploration, and solves the problem that the bottom of a core can be stripped when the core is lifted on the drill. A core bit for solid mineral exploration comprises a lower bit piece; the whole lower drill bit part is of a circular tubular structure; the upper part of the lower drill bit part is fixedly connected with an upper drill bit part; the upper part of the upper drill bit part is provided with an upper support ring in a sliding way; the upper part of the upper drilling bit part is connected with a connecting pipe in a nested and meshed manner; the lower drill bit part comprises a lower drill block, the bottom of the lower drill bit part is provided with the lower drill block in a surrounding array mode, and the upper support ring comprises a connecting column and a first connecting rod. When lifting, the lower support ring slides downwards, the first connecting rod and the second connecting rod support the support block to swing horizontally, so that the rock core is clamped on the upper part of the support block, the falling of the rock core is reduced, and the loss of the rock sample in the lifting process is reduced.

Description

Rock core drill bit for solid mineral exploration

Technical Field

The utility model belongs to the technical field of mineral exploration, and particularly relates to a core drill bit for solid mineral exploration.

Background

The core is a cylindrical rock sample taken out by using an annular core drill bit and is an important physical geological data for researching and knowing solid mineral products.

If the application number is: the patent of CN201720697636.5 discloses a core drill, in particular to a core drill for solid mineral exploration, which aims to solve the problems that the surface of a core is often damaged due to overhigh temperature and drilling teeth are easily damaged in the drilling process of the existing core drill. The utility model comprises a cylinder and a plurality of drill teeth, wherein the plurality of drill teeth are uniformly distributed on the edge of the lower surface of the cylinder along the circumferential direction, at least one cooling water cavity is uniformly distributed in the side wall of the cylinder along the length direction of the cylinder, a plurality of cooling water holes are uniformly distributed on the cylinder, each cooling water hole is corresponding to one cooling water cavity, and the cooling water cavities are connected with a cooling water tank through a water pump.

The drill bit needs to be knocked by a hammer to promote separation of the rock core, and the bottom of the rock core can be separated when the rock core is lifted on the drill bit, so that a rock sample is lost, and the exploration difficulty is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a core drill for solid mineral exploration, which aims to solve the problems that the drill needs to be knocked by a hammer to promote separation of a core, the bottom of the core can be separated when the core is lifted on the drill, so that a rock sample is lost, and the exploration difficulty is increased.

The utility model relates to a core drill for solid mineral exploration, which aims and effects are achieved by the following specific technical means:

a core bit for solid mineral exploration comprises a lower bit piece; the whole lower drill bit part is of a circular tubular structure; the upper part of the lower drill bit part is fixedly connected with an upper drill bit part; the upper part of the upper drill bit part is provided with an upper support ring in a sliding way; the upper part of the upper drilling bit part is connected with a connecting pipe in a nested and meshed manner; the lower drill bit part comprises a lower drill block, the bottom of the lower drill bit part is provided with the lower drill block around the array, the upper supporting ring comprises a connecting column and a first connecting rod, the lower part of the upper supporting ring is fixedly provided with the connecting column, the lower end of the connecting column is fixedly connected with the first connecting rod, the upper supporting ring is arranged outside the connecting pipe in a sliding mode, and the connecting column and the upper drill bit part vertically penetrate through the sliding connection.

Furthermore, the head end of the oblique block is rotatably connected with a fixed plate, the oblique block is formed by connecting two sub-blocks in a sliding and nesting mode, a supporting spring part is arranged inside the oblique block, and the oblique block is arranged at the top of the inner ring.

Further, go up drill bit spare including inner ring, sloping block and worm, go up the fixed inner ring that is provided with in drill bit spare middle part, go up the inboard pivot of drill bit spare and be connected with the sloping block, the fixed pivot that sets up in sloping block tail end is connected with the worm meshing, and the worm head end is connected with the middle part tooth piece meshing that the spliced pole set up, and the spliced pole vertical migration, the worm rotates, goes up drill bit spare and worm through rotation and is connected.

Furthermore, go up the bracer still including second connecting rod and piece, the horizontal sliding connection of head rod has the second connecting rod, and second connecting rod sliding connection has a piece, and a piece afterbody is rotated with last drill bit and is connected, and a piece middle part is rotated with the second connecting rod and is connected, head rod and last drill bit sliding connection.

The utility model at least comprises the following beneficial effects:

1. when the submarine exploration is carried out, the lower support ring slides upwards, the support block rotates upwards, the entry of a rock core is facilitated, when the submarine exploration is carried out, the lower support ring slides downwards, the first connecting rod and the second connecting rod support the support block to horizontally swing, the rock core is clamped on the upper portion of the support block, the falling of the rock core is reduced, the loss of the rock sample in the lifting process is reduced, the rock sample is conveniently taken out, and a hammer is not needed to be used for knocking.

2. When the connecting column slides upwards, the connecting column drives the worm to rotate, the inclined block swings towards the center to assist in supporting the core, and the situation that the core falls off due to horizontal sliding is reduced.

Drawings

FIG. 1 is a schematic three-dimensional structure of the present invention.

FIG. 2 is a schematic view of a half-section of a lower drill bit member of the present invention.

Fig. 3 is a schematic view of a half-section of an upper drill bit of the present invention.

Fig. 4 is a schematic diagram of an enlarged portion a of fig. 3 according to the present invention.

Fig. 5 is a schematic diagram of a portion of the structure of B in fig. 3 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a lower drill bit piece; 101. a drilling block is put; 2. an upper drill bit piece; 201. an inner ring; 202. a sloping block; 203. a worm; 204. a fixing plate; 3. an upper support ring; 301. connecting columns; 302. supporting a block; 303. a first connecting rod; 304. a second connecting rod; 4. and (4) connecting the pipes.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Example (b):

as shown in figures 1 to 5:

the utility model provides a core drill for solid mineral exploration, which comprises a lower drill bit piece 1; the whole lower drill bit part 1 is of a circular tubular structure, the lower drill bit part 1 comprises lower drill blocks 101, the bottom of the lower drill bit part 1 is provided with the lower drill blocks 101 in a surrounding array mode, and the lower drill bit part 1 performs rotary cutting on rocks; the upper drill bit part 2 is fixedly connected to the upper part of the lower drill bit part 1; the upper part of the upper drill bit piece 2 is provided with an upper support ring 3 in a sliding way; the upper part of the upper drill bit part 2 is connected with a connecting pipe 4 in a nested and meshed mode; the upper support ring 3 comprises a connecting column 301 and a first connecting rod 303, the lower part of the upper support ring 3 is fixedly provided with the connecting column 301, the lower end of the connecting column 301 is fixedly connected with the first connecting rod 303, the upper support ring 3 is arranged outside the connecting pipe 4 in a sliding manner, and the connecting column 301 is vertically penetrated and connected with the upper drilling bit 2 in a sliding manner;

the upper drill bit 2 comprises an inner ring 201, an inclined block 202 and a worm 203, the inner ring 201 is fixedly arranged in the middle of the upper drill bit 2, the inclined block 202 is connected to the inner side rotating shaft of the upper drill bit 2, the rotating shaft fixedly arranged at the tail end of the inclined block 202 is meshed with the worm 203, and the head end of the worm 203 is arranged with the connecting column 301Middle tooth blockThe meshing is connected, spliced pole 301 vertical migration, worm 203 rotates, sloping block 202 upswing, avoid disturbing the collection of rock core, it is connected with worm 203 through rotation to go up drill bit spare 2, go up collar 3 still including second connecting rod 304 and a piece 302, the horizontal sliding connection of head rod 303 has second connecting rod 304, second connecting rod 304 sliding connection has a piece 302, go up collar 3 and friction and the lapse on every side, spliced pole 301 lapse, piece 302 upwards rotates, make things convenient for the entering of rock core.

Wherein, the sloping block 202 head end rotates and is connected with fixed plate 204, and sloping block 202 comprises two sub-blocks slip nested connection, and the inside support spring part that is provided with of sloping block 202, sloping block 202 set up at inner ring 201 top, and spliced pole 301 drives worm 203 and rotates, and sloping block 202 swings to the center, carries out auxiliary stay all around to the rock core, reduces the rock core level and rocks and lead to deviating from the condition that drops.

Wherein, prop piece 302 afterbody and last drill bit 2 and rotate and be connected, prop piece 302 middle part and rotate with second connecting rod 304 and be connected, head rod 303 and last drill bit 2 sliding connection, head rod 303 and second connecting rod 304 support prop piece 302 to horizontal hunting, make the rock core block on prop piece 302 upper portion, reduce dropping of rock core, reduce and lift the loss of in-process on the rock sample.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the screw in the connecting pipe 4 is meshed and connected with the upper part of the upper drill bit 2, the connecting pipe 4 and the lower drill bit 1 perform rotary cutting of rock, when in submarine exploration, the upper supporting ring 3 rubs with the periphery and slides upwards, the connecting column 301 slides upwards, the supporting block 302 rotates upwards to facilitate the entry of a rock core, when in lifting, the upper supporting ring 3 rubs with the periphery and slides downwards, the first connecting rod 303 and the second connecting rod 304 support the supporting block 302 to swing horizontally to enable the rock core to be clamped on the upper part of the supporting block 302, the falling of the rock core is reduced, the loss in the lifting process of the rock sample is reduced, the supporting block 302 is separated from the rock core by pulling the upper supporting ring 3 to facilitate the taking out of the rock sample, the inclined block 202 swings upwards to avoid interference with the collection of the rock core without using a hammer, when the connecting column 301 slides upwards, the connecting column 301 drives the worm 203 to rotate, the sloping block 202 swings to the center, and carries out auxiliary stay to the rock core all around, reduces the rock core level and rocks and lead to deviating from the condition that drops.

The utility model is not described in detail, but is well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a rock core drill bit for solid mineral exploration which characterized in that: a core bit for solid mineral exploration comprises a lower bit piece;

the whole lower drill bit part is of a circular tubular structure; the upper part of the lower drill bit part is fixedly connected with an upper drill bit part; the upper part of the upper drill bit part is provided with an upper support ring in a sliding way; the upper part of the upper drilling bit part is connected with a connecting pipe in a nested and meshed manner;

go up the becket and including spliced pole and head rod, go up the fixed spliced pole that is provided with in becket lower part, spliced pole lower extreme and head rod fixed connection go up the becket and still including second connecting rod and piece, head rod horizontal sliding connection has the second connecting rod, and second connecting rod sliding connection has a piece.

2. The core drill for solid mineral exploration, as recited in claim 1, wherein said upper drill member comprises an inner ring, a swash block and a worm, the inner ring is fixedly disposed in the middle of the upper drill member, the swash block is rotatably connected to the inner side of the upper drill member, and the upper drill member is rotatably connected to the worm in a penetrating manner.

3. The core drill for solid mineral exploration, as recited in claim 2, wherein a rotation shaft at a tail end of the swash block is engaged with a worm, a head end of the worm is engaged with a connection column, the connection column moves vertically, and the worm rotates.

4. A core drill bit for solid mineral exploration, as claimed in claim 1, wherein said lower piece comprises a lower block, the lower block being disposed around the array at the bottom of the lower piece.

5. The core drill for solid mineral exploration, as claimed in claim 2, wherein the head end of the swash block is rotatably connected with a fixed plate, the swash block is formed by two sub-blocks which are slidably nested, and a supporting spring member is arranged inside the swash block.

6. The core drill for solid mineral exploration according to claim 1, wherein the upper support ring is slidably disposed outside the connecting tube, and the connecting column is vertically and slidably connected to the upper drill member.

7. The core drill for solid mineral exploration, as recited in claim 1, wherein a tail portion of said support block is rotatably connected to said upper drill bit member, a middle portion of said support block is rotatably connected to said second connecting rod, and said first connecting rod is slidably connected to said upper drill bit member.