CN220336824U

CN220336824U - Rock core drill bit convenient to installation

Info

Publication number: CN220336824U
Application number: CN202321292296.XU
Authority: CN
Inventors: 高原; 姜婷婷; 孙涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2024-01-12
Anticipated expiration: 2033-05-25

Abstract

The utility model relates to a core drill convenient to install, which belongs to the technical field of core drills and comprises a drill drive shaft, a drill main body, a core sleeve, a first coring half cylinder, a second coring half cylinder and a fixing bolt, wherein the core sleeve is in threaded connection with the drill main body. According to the core drill bit, a core sample can be placed in the first core-taking half cylinder and the second core-taking half cylinder, the positioning nuts at the tops of the hexagonal prisms are unscrewed, so that the second core-taking half cylinder and the first core-taking half cylinder which are connected with the bottoms of the threaded rods can slide out from the inside of the core sleeve, the first core-taking half cylinder and the second core-taking half cylinder can be separated, the core sample can be conveniently and safely taken out, the core drill bit structure can bear larger torsion while being convenient to disassemble and assemble, the connecting bolts are prevented from being damaged to influence the coring operation, the core in the drill bit is conveniently taken out, and the working efficiency of the core sampling operation is improved.

Description

Rock core drill bit convenient to installation

Technical Field

The utility model relates to the technical field of core drills, in particular to a core drill convenient to install.

Background

Core bits are bits that are dedicated to drilling cores. According to the structure and manufacturing materials, the three types of cone coring bit, diamond coring bit and hard alloy coring bit can be generally classified. Due to the hardness and drillability of the formation and the abrasive nature.

Through retrieving, patent publication number CN215408510U discloses a rock core drill bit that solid mineral exploration was with doing benefit to the replacement, owing to set up the sliding tray in the adapter sleeve is inside, and install spacing post in the transmission axostylus axostyle bottom both sides, can guarantee that spacing post is inside the sliding tray to remove, and then penetrate the transmission axostylus axostyle fast and twist in the adapter sleeve is inside, be connected the drill bit with the transmission axostylus axostyle, and first mounting hole has been seted up at transmission axostylus axostyle top, and pass first mounting hole and inside the second mounting hole with connecting bolt, through connecting bolt connection, and then with the stable mutual installation of transmission axostylus axostyle and adapter sleeve, guarantee that the drill bit can be stable install in the adapter sleeve inside through connecting nut's effect, guarantee the stable mutual installation of transmission axostylus axostyle and adapter sleeve, and then guarantee the steady use of drill bit.

The technical scheme of the utility model has the following defects, though the drill bit structure of this kind of rock core drill bit accessible connecting bolt quick connect transmission axostylus axostyle and adapter sleeve and the drill bit at top, and only can be undertaken by the bolt at actual drilling coring process torsion, the requirement is higher and fragile to the bolt, and closely laminate in the section of thick bamboo wall at the back rock core of coring, need constantly strike just can take out the rock core when the actual coring, it is comparatively troublesome, propose a rock core drill bit convenient to install for this, can bear bigger torsion when being convenient for the dismouting, prevent that connecting bolt from damaging the influence coring work, and be convenient for take out the rock core in the drill bit, improve the work efficiency of rock core sampling work.

In view of this, the present utility model provides a technical solution for improving and solving the above-mentioned problems, and for intensively researching and applying in cooperation with the academic theory, and finally providing a solution which has a reasonable design and can effectively improve the above-mentioned drawbacks.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The utility model provides a core drill convenient to install, solves the problems set forth in the background, can bear larger torsion while being convenient to assemble and disassemble, prevents the damage of a connecting bolt from affecting coring operation, is convenient to take out a core in the drill, and improves the working efficiency of core sampling operation.

The scheme for solving the technical problems is as follows: the utility model provides a rock core drill bit convenient to installation, includes rig drive shaft, bit main part, rock core sleeve, core half section of thick bamboo and fixing bolt take core, core sleeve and bit main part threaded connection, core telescopic top fixedly connected with stopper, the top fixedly connected with hexagonal prism of stopper, the bottom fixedly connected with installation sleeve of rig drive shaft, the outer wall at hexagonal prism and stopper is established to installation sleeve cover, stopper and installation sleeve pass through fixing bolt connection, the even fixed mounting of outer wall of core half section of thick bamboo has the connection fixture block, the draw-in groove with connection fixture block looks adaptation has been seted up to core half section of thick bamboo No. two, but connection fixture block and core half section of thick bamboo joint are a section of thick bamboo type structure, and connect fixture block and core half section of thick bamboo place in core telescopic inner wall, core half section of thick bamboo's top fixedly connected with threaded rod take core, threaded connection has positioning nut.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, a placement groove matched with the limiting block is formed in the bottom of the mounting sleeve.

Further, a hexagonal groove matched with the hexagonal prism is formed in the top of the placement groove.

Further, the stopper is offered and is had the locating hole with fixing bolt looks adaptation, the both sides of installation sleeve all correspond the locating hole and have been offered the mounting hole.

Further, the core sleeve, the limiting block and the hexagonal prism are provided with inserting holes matched with the threaded rod.

Further, a placement groove matched with the positioning nut is formed in the top of the hexagonal prism.

Further, a thread cylinder is fixedly arranged at the top of the drill bit main body, and a thread groove matched with the thread cylinder is formed in the bottom of the core sleeve.

The utility model provides a core drill convenient to install, which has the following advantages:

1. the limit block at the top of the core sleeve is inserted into the installation sleeve, the hexagonal prism can be clamped into the hexagonal groove, and the installation sleeve and the limit block can be connected by the fixing bolt penetrating through the installation hole of the installation sleeve and the installation hole of the limit block, so that the core drill bit can be rapidly installed;

2. the drill drive shaft can drive the installation sleeve and the drill bit main body at the core sleeve at the bottom of the installation sleeve to drill and sample the core, and the hexagonal prism is clamped in the hexagonal groove and can bear larger torsion than the fixing bolt;

3. the core sample can be placed in the inside of the core taking half section of thick bamboo and the core taking half section of thick bamboo of No. two, unscrew the locating nut at hexagonal prism top for the core taking half section of thick bamboo and the core taking half section of thick bamboo of No. two that the threaded rod bottom is connected can follow the telescopic inside roll-off of core, thereby core taking half section of thick bamboo and core taking half section of thick bamboo of No. two separable core sample safety that will take, can bear bigger torsion when such core bit structure can be convenient for dismouting, prevent that connecting bolt from damaging influences coring operation, and be convenient for take out the core in the drill bit, improve core sampling operation's work efficiency, and need not to strike repeatedly and can take out the core sample in the tapping process in comparison with current drill bit, can effectively prevent that the core sample from breaking damage, improve the sampling quality of core sample.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view illustrating a core bit according to an embodiment of the present utility model;

FIG. 2 is a front view of a core bit according to an embodiment of the present utility model in a connected state;

FIG. 3 is a schematic diagram of a side view of a core sleeve in a core drill bit according to an embodiment of the present utility model;

fig. 4 is a schematic structural view of a first core barrel half and a second core barrel half in a core drill bit according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a drill drive shaft; 2. a bit body; 3. a core sleeve; 4. core taking half cylinder number one; 5. core taking half cylinder II; 6. a fixing bolt; 7. a limiting block; 8. a hexagonal prism; 9. a mounting sleeve; 10. a placement groove; 11. a hexagonal groove; 12. a mounting hole; 13. a mounting hole; 14. connecting a clamping block; 15. a threaded rod; 16. and positioning a nut.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1-4, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, a core drill bit convenient to installation, including rig drive shaft 1, bit main part 2, core sleeve 3, core barrel 4 No. one, core barrel 5 No. two and fixing bolt 6, core sleeve 3 and bit main part 2 threaded connection, core sleeve 3's top fixedly connected with stopper 7, stopper 7's top fixedly connected with hexagonal prism 8, rig drive shaft 1's bottom fixedly connected with installation sleeve 9, installation sleeve 9 cover is established at hexagonal prism 8 and stopper 7's outer wall, stopper 7 and installation sleeve 9 pass through fixing bolt 6 and are connected, core barrel 4's outer wall even fixed mounting has connection fixture block 14, core barrel 5 No. two has offered the draw-in groove with connection fixture block 14 looks adaptation, but connection fixture block 14 and core barrel 5 joint are a barrel type structure, and core barrel 3's inner wall is arranged in to connection fixture block 14 and core barrel 5, core barrel 5's top fixedly connected with coring threaded rod 15, threaded rod 15 threaded connection has positioning nut 16.

Preferably, a placement groove 10 matched with the limiting block 7 is formed in the bottom of the mounting sleeve 9.

Preferably, the top of the placement groove 10 is provided with a hexagonal groove 11 adapted to the hexagonal prism 8.

Preferably, the limiting block 7 is provided with a mounting hole 12 matched with the fixing bolt 6, and two sides of the mounting sleeve 9 are provided with mounting holes 13 corresponding to the mounting holes 12.

Preferably, the core sleeve 3, the limiting block 7 and the hexagonal prism 8 are provided with inserting holes matched with the threaded rod 15.

Preferably, a placement groove matched with the positioning nut 16 is formed in the top of the hexagonal prism 8.

Preferably, a thread cylinder is fixedly installed at the top of the drill bit main body 2, and a thread groove matched with the thread cylinder is formed at the bottom of the core sleeve 3.

The specific working principle and the using method of the utility model are as follows: the stopper 7 at core sleeve 3 top can block into hexagonal groove 11's inside when inserting to installation sleeve 9 in, fixing bolt 6 passes installation hole 13 and stopper 7's of installation sleeve 9 settling hole 12 can be connected installation sleeve 9 and stopper 7, thereby can realize the quick installation of core drill bit, drill bit drive shaft 1 can drive installation sleeve 9 and the drill bit main part 2 of core sleeve 3 department of bottom carry out the core drilling sample, hexagonal prism 8 joint is compared in fixing bolt 6 in hexagonal groove 11's inside can bear bigger torsion, core sample can be placed in the inside of core taking out half section of thick bamboo 4 and core taking out half section of thick bamboo 5 No. two, take out core sleeve 3 from the drilling after, open fixing bolt 6 and take out stopper 7 from installation sleeve 9, unscrew the positioning nut 16 at hexagonal prism 8 top, make core taking out half section of thick bamboo 5 and core taking out half section of thick bamboo 5 of thick bamboo 4 and core taking out half section of thick bamboo 5 can separate so that the core taking out safely of core taking out of the inside of core taking out of core.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a rock core drill bit convenient to installation, includes rig drive shaft (1), bit main part (2), core sleeve (3), coring half section of thick bamboo (4) No. one, coring half section of thick bamboo (5) and fixing bolt (6), its characterized in that: core sleeve (3) and drill bit main part (2) threaded connection, the top fixedly connected with stopper (7) of core sleeve (3), the top fixedly connected with hexagonal prism (8) of stopper (7), but the bottom fixedly connected with installation sleeve (9) of rig drive shaft (1), installation sleeve (9) cover is established at the outer wall of hexagonal prism (8) and stopper (7), stopper (7) and installation sleeve (9) are connected through fixing bolt (6), the even fixed mounting of outer wall of core barrel (4) has connection fixture block (14), the draw-in groove with connection fixture block (14) looks adaptation has been seted up to core barrel (5) No. two, but connection fixture block (14) and core barrel (5) joint are a barrel structure, and connection fixture block (14) and core barrel (5) are arranged in the inner wall of core sleeve (3), the top fixedly connected with threaded rod (15) of core barrel (5), threaded connection has positioning nut (16).

2. Core drill bit convenient to install according to claim 1, characterized in that the bottom of the installation sleeve (9) is provided with a placement groove (10) which is matched with the limiting block (7).

3. Core drill bit according to claim 2, characterized in that the top of the placement groove (10) is provided with a hexagonal groove (11) adapted to the hexagonal prism (8).

4. The core drill bit convenient to install according to claim 1, wherein the limiting block (7) is provided with a placement hole (12) matched with the fixing bolt (6), and two sides of the installation sleeve (9) are provided with installation holes (13) corresponding to the placement holes (12).

5. The core drill bit convenient to install according to claim 1, wherein the core sleeve (3), the limiting block (7) and the hexagonal prism (8) are provided with insertion holes matched with the threaded rod (15).

6. Core drill bit convenient to install according to claim 1, characterized in that the top of the hexagonal prism (8) is provided with a placement groove which is matched with the positioning nut (16).

7. The core drill bit convenient to install according to claim 1, wherein a threaded cylinder is fixedly installed at the top of the drill bit main body (2), and a threaded groove matched with the threaded cylinder is formed in the bottom of the core sleeve (3).