CN219262327U - Core drilling tool of rock core taking machine - Google Patents

Abstract

The utility model discloses a core drill of rock core machine, comprising: the main shaft is provided with a sun gear; the planetary gears are multiple, the multiple planetary gears are meshed with the sun gear, and an auxiliary shaft is arranged in each planetary gear; the driven wheels are multiple, and the multiple driven wheels are in one-to-one correspondence with the multiple planet wheels and are meshed with each other; the drill bit rotating shafts are in one-to-one correspondence with the driven wheels and are matched with each other; the drill bits are in one-to-one correspondence with the drill bit rotating shafts and are detachably connected with the drill bit rotating shafts; the disc, the sun wheel, the planet wheel and the driven wheel are all arranged on the disc; the fixed disk is arranged above the disk, and the fixed disk is provided with a water injection port which is communicated with the drill bit rotating shafts through a water injection pipe. The core drill of the rock core drilling machine provided by the utility model has the advantages that a plurality of drill bits can be used for sampling at the same time, the drill bits can be replaced, and the working efficiency is improved.

Description

Core drilling tool of rock core taking machine

Technical Field

The utility model belongs to the technical field of drilling, and particularly relates to a core drilling tool of a rock core drilling machine.

Background

Geotechnical engineering investigation refers to the process of finding out, analyzing and evaluating geology, environmental characteristics and geotechnical engineering conditions of a construction site according to requirements of construction engineering, compiling activities of investigation files, and coring geotechnical is needed during geotechnical engineering investigation so as to facilitate later detection. At present, rock physical mechanics experiments are carried out in a laboratory, most of the experiments use a rock coring machine, and when core collection work is carried out, rock standard samples are placed on a workbench of the coring machine and are positioned by a clamping fixer, and a drill barrel of the coring machine is slowly screwed into the rock standard samples until the whole rock standard samples are drilled through. The following is repeated for each core drilled: lifting a drilling barrel of the coring machine, loosening a clamping fixer, taking out rock standard samples, taking out drilled rock cores, placing the rock standard samples and the like.

The traditional rock drilling machine coring machine can only drill one core sample at a time, a plurality of rock drilling machine coring machines cannot be placed in a laboratory or a plurality of people are arranged to process and prepare samples, and the working space and the personnel limit along with the increase of the traffic, so that a great deal of work is repeated, and the working efficiency is very low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, embodiments of the present utility model provide a coring bit for a rock coring machine.

A core drill of a rock coring machine according to an embodiment of the present utility model includes: the main shaft is provided with a sun gear; the planetary gears are multiple, the planetary gears are meshed with the sun gear, and an auxiliary shaft is arranged in each planetary gear; the driven wheels are multiple, are in one-to-one correspondence with the planet wheels and are meshed with each other; the drill bit rotating shafts are in one-to-one correspondence with the driven wheels and are matched with each other; the drill bits are in one-to-one correspondence with the drill bit rotating shafts, and are detachably connected with the drill bit rotating shafts; the sun wheel, the planet wheel and the driven wheel are arranged on the disc; the fixed disk is arranged above the disk, and is provided with a water injection port communicated with a plurality of drill bit rotating shafts through a water injection pipe.

The core drilling tool of the rock core drilling machine provided by the embodiment of the utility model has the advantages that the structure is simple, the use is convenient, a plurality of samples can be drilled at the same time, the core drilling efficiency of the drilling tool is improved, and the labor intensity is reduced.

Optionally, the drill bit rotating shaft is a hollow shaft, and the drill bit rotating shaft and the driven wheel are connected through a buckle or integrally formed.

Optionally, at least one water injection port is arranged, the water injection port is communicated with the drill bit rotating shaft through a water injection pipe, and one end of the water injection pipe is inserted into the drill bit rotating shaft.

Optionally, the auxiliary shaft is integrally formed with the planetary gear or connected with the planetary gear through a buckle, the main shaft is integrally formed with the sun gear or connected with the sun gear through a buckle, and the main shaft is rotationally connected with the fixed disc.

Optionally, the main shaft is rotatably connected with the fixed disc through a first bearing and a second bearing, the first bearing is arranged above the second bearing, a first bearing hole and a second bearing hole are formed in the upper portion of the fixed disc, the first bearing is arranged in the first bearing hole, and the second bearing is arranged in the second bearing hole.

Optionally, a plurality of disc through holes are formed in the disc, the plurality of disc through holes are in one-to-one correspondence with the plurality of drill bit rotating shafts, and the drill bit rotating shafts penetrate through the disc through holes and are connected with the drill bit.

Optionally, the drill bit rotating shaft is rotatably connected with the disc through hole, and the disc is connected with the fixed disc through bolts.

Optionally, the spindle further comprises a fastening disc, wherein the fixing disc is connected with the fastening disc through a bolt, and the upper part of the spindle passes through the fastening disc.

Optionally, the drill bit is arranged on the drill bit sleeve, and the drill bit sleeve is connected with the drill bit rotating shaft through threads.

Optionally, the drill bit and the drill bit sleeve are integrally formed or detachably connected.

Drawings

Fig. 1 is a schematic structural view of a core drill of a rock coring machine in accordance with an embodiment of the present utility model.

Fig. 2 is a cross-sectional view taken along A-A of fig. 1.

Fig. 3 is a schematic structural view of a fixed disk according to an embodiment of the present utility model.

Fig. 4 is a bottom view of the holding pan of the embodiment of the present utility model.

Fig. 5 is a schematic structural view of a water injection channel in a fixed disk according to an embodiment of the present utility model.

FIG. 6 is a schematic view of the internal structure of the core drilling tool according to an embodiment of the present utility model.

Fig. 7 is a schematic view of the structure of a disk according to an embodiment of the present utility model.

Fig. 8 is a schematic structural view of a fastening disc according to an embodiment of the present utility model.

Reference numerals:

a main shaft 1; a first bearing 101; a second bearing 102; a sun gear 103;

a fixed plate 2; a water filling port 201; a water injection pipe 202; a first bearing hole 203; a second bearing hole 204; a second bolt hole 205; a water injection channel 206;

a disc 3; a disk through hole 301;

a drill 4; bit holder 401;

a fastening disc 5; a first bolt hole 501;

an auxiliary shaft 6; a planet 601;

a drill rotary shaft 7; driven wheel 701;

description of the embodiments

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 to 8, the core drill of the rock core machine according to the embodiment of the present utility model includes a spindle 1, a sun gear 103, a planet gear 601, a driven gear 701, a bit rotation shaft 7, a bit 4, a disc 3, and a fixed disc 5, and the sun gear 103 is provided on the spindle 1, that is, the sun gear 103 can rotate along with the spindle 1. The planetary gears 601 are multiple, the multiple planetary gears 601 are meshed with the sun gear 103, and an auxiliary shaft 6 is arranged in each planetary gear 601; that is to say that the plurality of planet wheels 601 and their auxiliary shafts 6 are each rotatable with the rotation of the sun wheel 103.

The driven wheels 701 are multiple, and the driven wheels 701 are in one-to-one correspondence with the planetary wheels 601 and are meshed with each other; the drill bit rotating shafts 7 are multiple, and the drill bit rotating shafts 7 are in one-to-one correspondence with and mutually matched with the driven wheels 701; the driven wheels 701 can rotate along with the rotation of the planet wheels 601, and the rotation of the driven wheels 701 can drive the rotation of the drill bit rotating shaft 7.

The plurality of drill bits 4 are arranged, the plurality of drill bits 4 are in one-to-one correspondence with the plurality of drill bit rotating shafts 7, and the drill bits 4 are detachably connected with the drill bit rotating shafts 7; that is, the drill bit 4 can be rotated with the rotation of the bit rotation shaft 7, and the drill bit 4 is detachably replaced.

Sun gear 103, planet wheel 601 and follow driving wheel 701 all set up on disc 3, and fixed disk 2 sets up in the top of disc 3, and fixed disk 2 is connected with disc 3, and sun gear 103, planet wheel 601 and follow driving wheel 701 all establish in the inside of fixed disk 2.

The fixed disk 2 is provided with water filling ports 201, and the water filling ports 201 are communicated with the drill bit rotating shafts 7 through water filling pipes 202, that is, water filled through the water filling ports 201 can enter the drill bit rotating shafts 7.

The specific use method of the core drilling tool of the rock core machine will be briefly described below with reference to fig. 1-8, the drill bit 4 is arranged above the rock standard sample, the motor is started to simultaneously inject water into the water injection port 201, the motor drives the main shaft 1 to rotate, the rotation of the main shaft 1 drives the plurality of planet gears 601 to rotate through the sun gear 103, the rotation of the plurality of planet gears 601 drives the plurality of driven gears 701 to rotate, the plurality of driven gears 701 further drive the plurality of drill bit rotating shafts 7 to rotate, and the rotation of the plurality of drill bit rotating shafts 7 drives the plurality of drill bits 4 to simultaneously take a plurality of samples.

The core drilling tool of the rock core drilling machine provided by the embodiment of the utility model has the advantages that the structure is simple, the use is convenient, a plurality of samples can be drilled at the same time, the core drilling efficiency of the drilling tool is improved, and the labor intensity is reduced.

As shown in fig. 1 to 8, the core drill of the rock core machine according to the embodiment of the present utility model includes a main shaft 1, a sun gear 103, a planetary gear 601, a driven gear 701, a bit rotation shaft 7, a bit 4, a disc 3, and a fixed disc 5. The main shaft 1 is rotatably connected with the fixed disk 2 through the first bearing 101 and the second bearing 102, the first bearing 101 is provided above the second bearing 102, the fixed disk 2 is provided with a first bearing hole 203 and a second bearing hole 204 in an upper portion, the first bearing hole 203 is provided above the second bearing hole 204, the first bearing 101 is provided in the first bearing hole 203, the second bearing 102 is provided in the second bearing hole 204, and thus the main shaft 1 can rotate relative to the fixed disk 2 through the first bearing 101 and the second bearing 102, and the main shaft 1 penetrates through the fixed disk 2.

The bottom of the main shaft 1 is provided with a sun gear 103, specifically, four, five or six planetary gears 601, for example, four planetary gears 103 are meshed with the four planetary gears 601, the four planetary gears 601 uniformly surround the periphery of the sun gear 103, and the four planetary gears 601 are not connected with each other. An auxiliary shaft 6 is arranged in the middle of each planet wheel 601, the auxiliary shaft 6 is integrally formed with the planet wheel 601 or connected with the sun wheel 103 through a buckle, and the main shaft 1 is integrally formed with the sun wheel 103 or connected with the sun wheel through a buckle.

The number of the driven wheels 701 is identical to that of the driven wheels 601, for example, four driven wheels 701 are provided, each driven wheel 601 is meshed with one driven wheel 701, and each driven wheel 701 is meshed with only one driven wheel 601. Each driven wheel 701 is provided with a drill bit rotating shaft 7, the drill bit rotating shaft 7 penetrates through the driven wheel 701, and the drill bit rotating shaft 7 and the driven wheel 701 are connected through a buckle or are integrally formed.

The sun gear 103, the planet gears 601 and the driven gears 701 are all arranged on the disc 3, a plurality of disc through holes 301 are further arranged in the disc 3, the plurality of disc through holes 301 are in one-to-one correspondence with the plurality of drill bit rotating shafts 7, and the drill bit rotating shafts 7 penetrate through the disc through holes 301 to be connected with the drill bit 4. Specifically, the number of bit rotation shafts 7 coincides with the number of driven wheels 701.

The drill bit rotating shaft 7 is rotatably connected with the disc through holes 301, the number of the disc through holes 301 is identical to that of the drill bit rotating shaft 7, an upper disc bearing and a lower disc bearing are arranged in each disc through hole 301, the disc bearings are matched with the disc through holes 301, and the drill bit rotating shaft 7 is rotatably connected with the disc through holes 301 through the disc bearings.

The bottom of the drill rotary shaft 7 is connected with the drill sleeve 401, and specifically, the drill sleeve 401 is connected with the drill rotary shaft 7 through threads. That is, the outer side of the bottom of the bit rotation shaft 7 is provided with external threads, and the bit holder 401 is provided with internal threads matching with the external threads on the bit rotation shaft 7, so the bit holder 401 is connected with the bit rotation shaft 7 through the external threads and the internal threads.

The bottom of the bit sleeve 401 is connected with the bit 4, and the bit 4 and the bit sleeve 401 are integrally formed or detachably connected. Both the bit holder 401 and the bit 4 are hollow structures, and the bit holder 401, the bit 4 and the inner cavity in the bit rotation shaft 7 are communicated with each other.

The fixed disk 2 is arranged above the disk 3, and the disk is connected with the fixed disk 2 through bolts. The disc 3 is provided with at least one water injection port 201, and the water injection port 201 is communicated with the drill bit rotating shaft 7 through a water injection pipe 202, that is, the water injection port 201 can be one or a plurality of water injection ports. As shown in fig. 5, when one water filling port 201 is provided, a water filling channel 206 is provided in the fixed disk 2, the water filling channel 206 is annular, a plurality of tee joints are provided on the water filling channel 206, the tee joints are positioned above the drill bit rotating shaft 7, the tee joints are communicated with one end of the water filling pipe 202 in addition to the water filling channel 206, the number of the tee joints is consistent with the number of the water filling pipes 202, the other end of the water filling pipe 202 is inserted into the drill bit rotating shaft 7, and when water is filled into the water filling port 201, water flows into the water filling pipe 202 through the water filling channel 206 and then flows into the drill bit rotating shaft 7 from the water filling pipe 202. As shown in fig. 2, when there are a plurality of water filling ports 201, each water filling port 201 is respectively connected with one water filling pipe 202, each water filling pipe 202 is inserted into one drill bit rotating shaft 7, the plurality of water filling ports 201 are commonly connected with one water source, water needs to be filled into the plurality of water filling ports 201 at the same time, and water flows enter the water filling pipe 202 through the water filling ports 2021 and then enter the corresponding drill bit rotating shaft 7 through the water filling pipe 202.

Because the drill bit rotation shaft 7 is the hollow shaft, the top and the water injection pipe 202 of drill bit rotation shaft 7 communicate, and the bottom is connected with drill bit cover 401, and drill bit cover 401 is connected with drill bit 4, and the inside of drill bit 4, drill bit cover 401 and drill bit rotation shaft 7 is the cavity passageway of intercommunication each other, so rivers can flow downwards along the cavity passageway in the middle of them after entering in the drill bit rotation shaft 7 for the scouring of drill bit 4 during the work, supplementary boring sample can also wash dust and impurity.

The core drill of the rock core extractor according to the embodiment of the present utility model further comprises a fastening disc 5, the fastening disc 2 is connected with the fastening disc 5 through bolts, the upper portion of the spindle 1 passes through the fastening disc 5, a first bolt hole 501 is formed in the fastening disc 5, a second bolt hole 205 is formed in the fastening disc 2, and the bolts sequentially pass through the first bolt hole 501 and the second bolt hole 205 to connect the fastening disc 5 with the fastening disc 2.

The specific use method of the core drilling tool of the rock coring machine will be described in detail below with reference to fig. 1-8, the drill bit 4 is correspondingly located above the rock standard sample, the motor is started to simultaneously inject water into the water injection port 201, the motor drives the spindle 1 to rotate, the rotation of the spindle 1 drives the sun wheel 103 to rotate, the rotation of the sun wheel 103 drives the plurality of planet wheels 601 to rotate, the rotation of the plurality of planet wheels 601 drives the plurality of driven wheels 701 to rotate, the plurality of driven wheels 701 further drive the plurality of drill bit rotating shafts 7 to rotate, the rotation of the plurality of drill bit rotating shafts 7 drives the plurality of drill bits 4 to rotate through the drill bit sleeve 401, so that a plurality of samples can be taken simultaneously, and water injected from the water injection port 201 flows out from the plurality of water injection pipes 202 after passing through the water injection channel 203, sequentially passes through the drill bit rotating shafts 7, the drill bit sleeve 401 and the drill bit 4 after exiting from the water injection pipes 202, and is washed at the same time of sampling.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims (10)

1. A core drill of a rock coring machine, comprising:

the main shaft is provided with a sun gear;

the planetary gears are multiple, the planetary gears are meshed with the sun gear, and an auxiliary shaft is arranged in each planetary gear;

the driven wheels are multiple, are in one-to-one correspondence with the planet wheels and are meshed with each other;

the drill bit rotating shafts are in one-to-one correspondence with the driven wheels and are matched with each other;

the drill bits are in one-to-one correspondence with the drill bit rotating shafts, and are detachably connected with the drill bit rotating shafts;

the sun wheel, the planet wheel and the driven wheel are arranged on the disc;

the fixed disk is arranged above the disk, and is provided with a water injection port communicated with a plurality of drill bit rotating shafts through a water injection pipe.

2. The core drill of a rock core machine according to claim 1, wherein the bit rotational shaft is a hollow shaft, and the bit rotational shaft and the driven wheel are connected by a snap fit or integrally formed.

3. The core drill of a rock core machine according to claim 1, wherein at least one of said water injection ports is in communication with said bit rotational axis via a water injection tube, one end of said water injection tube being inserted into said bit rotational axis.

4. A core drill bit of a rock coring machine according to claim 1 wherein said auxiliary shaft is integrally formed with or snap-fit connected to said planet wheel, said main shaft is integrally formed with or snap-fit connected to said sun wheel, and said main shaft is rotatably connected to said fixed disc.

5. The core drill of a rock core machine according to claim 4, wherein the spindle is rotatably connected to the fixed disk by a first bearing and a second bearing, the first bearing being disposed above the second bearing, the fixed disk upper portion being provided with a first bearing hole and a second bearing hole, the first bearing being disposed in the first bearing hole, and the second bearing being disposed in the second bearing hole.

6. The core drill of a rock core machine according to claim 1, wherein a plurality of disc through holes are provided in the disc, a plurality of the disc through holes are in one-to-one correspondence with a plurality of the bit rotation shafts, and the bit rotation shafts are connected with the bit through the disc through holes.

7. The core drill of a rock core machine according to claim 6, wherein the bit rotational shaft is rotatably coupled to the disk through-hole, and the disk is bolted to the stationary plate.

8. The core drill of a rock core machine according to claim 1, further comprising a fastening disc, wherein the fixed disc is bolted to the fastening disc, and wherein the upper portion of the spindle passes through the fastening disc.

9. The core drill of a rock core machine according to claim 1, wherein the drill bit is provided on the bit holder, and the bit holder is threadedly coupled to the bit rotational shaft.

10. A core drill bit of a rock coring machine as set forth in claim 9 wherein said drill bit is integrally formed with or detachably connected to said bit housing.

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