CN214997471U

CN214997471U - Cleaning structure of coal drill bit

Info

Publication number: CN214997471U
Application number: CN202121759659.7U
Authority: CN
Inventors: 王海军; 高申强; 李玉林; 刘丽; 于勇涛
Original assignee: Zhengzhou Sengong Mining Machinery Equipment Co ltd
Current assignee: Zhengzhou Sengong Mining Machinery Equipment Co ltd
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2021-12-03
Anticipated expiration: 2031-07-30

Abstract

The utility model discloses a clearance structure of coal drill bit, including the coal drill bit body, the one end of coal drill bit body is equipped with the connector, the outside cover of connector is equipped with the adapter sleeve, the outside of coal drill bit body is equipped with the sleeve, sleeve and adapter sleeve fixed connection, the notch has all been seted up to the both sides of connector, the notch internal fixation of connector both sides has the slide bar, the outside cover of slide bar is equipped with the sliding sleeve, the inner wall fixed connection of connecting block and adapter sleeve is passed through in the outside of sliding sleeve, just telescopic inside is equipped with the water spray disc, be equipped with a plurality of shower nozzle on the inner wall of water spray disc, and one side of sleeve bottom is connected with the water injection pipe, the one end of water injection pipe is passed the sleeve and is linked together with the water spray disc. This clearance structure of coal bit can clear up its surperficial adhesion's coal at the in-process of coal bit operation, and the clearance process is labour saving and time saving more, effectual improvement work efficiency.

Description

Cleaning structure of coal drill bit

Technical Field

The utility model relates to a coal bit technical field specifically is a clearance structure of coal bit.

Background

The coal drill bit is a three-small product popularized by the coal department and is divided into a dry type and a wet type. The drill bit body adopts various production and processing technologies such as precision casting, precision forging, medium carbon alloy steel cutting and the like, and meets the requirements of different drill bit types and different drilling operation conditions. The coal drill bit has the advantages of high drilling speed, wide drilling range, time and labor saving, simple connection mode, durability and the like.

At present coal drill bit is a large amount of coals of easy adhesion on the in-process surface of operation, if the coal of these adhesions can not in time clear up the quality that can creep into once more to the coal drill bit and cause certain influence, and current coal drill bit all lacks the structure of clearing up the coal of adhesion for the staff needs frequent manual work to clear up, and the process of operation is very wasted time and energy, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clearance structure of coal drill to solve the present coal drill that above-mentioned background art provided and lack the structure of clearing up its surperficial adhesion's coal at the in-process of operation, make the staff need frequent manual work to clear up the problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clearance structure of coal drill bit, includes the coal drill bit body, the one end of coal drill bit body is equipped with the connector, the outside cover of connector is equipped with the adapter sleeve, the outside of coal drill bit body is equipped with the sleeve, sleeve and adapter sleeve fixed connection, the notch has all been seted up to the both sides of connector, the notch internal fixation of connector both sides has the slide bar, the outside cover of slide bar is equipped with the sliding sleeve, the inner wall fixed connection of connecting block and adapter sleeve is passed through in the outside of sliding sleeve, just telescopic inside is equipped with the water spray disk, be equipped with a plurality of shower nozzle on the inner wall of water spray disk, and one side of sleeve bottom is connected with the water injection pipe, the one end of water injection pipe is passed the sleeve and is linked together with the water spray disk.

Preferably, the outside cover of slide bar is equipped with the spring, just the both ends of spring respectively with the bottom of sliding sleeve and the bottom inner wall connection of connector notch.

Preferably, the water spray disc is of an annular cylinder structure, and the spray heads are distributed on the inner wall of the water spray disc in a surrounding manner.

Preferably, the bottom end of the sleeve is provided with a through hole matched with the connector structure, and the inner wall of the through hole at the bottom end of the sleeve is provided with a plurality of roll shafts in a surrounding manner.

Preferably, the top end of the sleeve is provided with an annular rubber pad, and the annular rubber pad at the top end of the sleeve is bonded with the sleeve through an adhesive.

Preferably, a plurality of through holes are formed in the coal bit body, and the through holes in the coal bit body are parallel to the spray heads.

Compared with the prior art, the beneficial effects of the utility model are that: this clearance structure of coal bit can clear up its surperficial adhesion's coal at the in-process of coal bit operation, and the clearance process is labour saving and time saving more, effectual improvement work efficiency. This clearance structure of coal bit drives the sliding sleeve through the adapter sleeve and slides and push the spring and support the sleeve and press on the operation face in the outside of slide bar, utilizes the water injection pipe to wash the surface of coal bit in pouring into the water spray dish with outside washing water simultaneously for the coal bit can clear up the coal of surface adhesion simultaneously at the in-process of operation, avoids the staff to need the trouble of frequent manual clearance.

Drawings

FIG. 1 is a schematic view of a cleaning structure of a coal drill according to the present invention;

FIG. 2 is a schematic view of a connection structure of a connector and a sleeve for cleaning a coal drill according to the present invention;

fig. 3 is a schematic view of the inside overlooking structure of the sleeve of the cleaning structure of the coal drill bit of the present invention.

In the figure: 1. coal bit body, 2, connector, 3, adapter sleeve, 4, sliding sleeve, 5, slide bar, 6, sleeve, 7, water spray disk, 8, shower nozzle, 9, water injection pipe, 10, spring, 11, roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a cleaning structure of a coal bit comprises a coal bit body 1, one end of the coal bit body 1 is provided with a connector 2, the outer part of the connector 2 is sleeved with a connecting sleeve 3, the outer part of the coal bit body 1 is provided with a sleeve 6, the sleeve 6 and the connecting sleeve 3 are fixedly connected, two sides of the connector 2 are both provided with notches, notches on two sides of the connector 2 are internally fixed with slide bars 5, the outer part of each slide bar 5 is sleeved with a sliding sleeve 4, the outer side of each sliding sleeve 4 is fixedly connected with the inner wall of the corresponding connecting sleeve 3 through a connecting block, a water spray disc 7 is arranged inside the corresponding sleeve 6, a plurality of spray heads 8 are arranged on the inner wall of the corresponding water spray disc 7, one side of the bottom end of the corresponding sleeve 6 is connected with a water injection pipe 9, one end of the water injection pipe 9 penetrates through the corresponding sleeve 6 to be communicated with the corresponding water spray disc 7, a spring 10 is sleeved outside the corresponding to the corresponding slide bar 5, and two ends of the spring 10 are respectively connected with the bottom end of the corresponding sliding sleeve 4 and the inner wall of the notch of the corresponding connector 2, when the coal bit body 1 is in operation, the connecting sleeve 3 can slide outside the sliding rod 5 through the sliding sleeve 4 and press the sleeve 6 on an operation surface under the action of the spring 10, meanwhile, the water injection pipe 9 can inject outside cleaning water into the water spray disc 7 and enable the spray head 8 to wash the surface of the coal bit body 1, so that the coal bit body 1 can simultaneously clean coal adhered to the surface in the operation process, the trouble that workers need to frequently and manually clean the coal bit body 1 is avoided, the drilling quality and efficiency of the coal bit body 1 are effectively improved, the water spray disc 7 is of an annular cylinder structure, the spray heads 8 are distributed on the inner wall of the water spray disc 7 in a surrounding manner, the water spray disc 7 can more fully wash the surface of the coal bit body 1 through the spray heads 8, and the surface cleaning effect of the coal bit body 1 is improved, the bottom end of the sleeve 6 is provided with a through hole matched with the structure of the connector 2, the inner wall of the through hole at the bottom end of the sleeve 6 is provided with a plurality of roll shafts 11 in a surrounding way, the coal bit body 1 can move in the sleeve 6 more smoothly through the roll shafts 11, the flexibility of the coal bit body 1 in the operation process is improved, the top end of the sleeve 6 is provided with an annular rubber pad, the annular rubber pad at the top end of the sleeve 6 is bonded with the sleeve 6 through an adhesive, the annular rubber pad at the top end of the sleeve 6 can protect the outer end of the sleeve 6 to prevent the sleeve 6 from being pressed on an operation surface to be worn, a plurality of through holes are arranged in the coal bit body 1, the through holes in the coal bit body 1 are parallel to the positions of the spray heads 8, and when the water spraying disc 7 is used for cleaning the coal bit body 1 through cleaning water, the cleaning water part can flow through the through holes in the coal bit body 1, thereby play certain cooling effect to coal bit body 1, avoid the in-process high temperature of coal bit body 1 operation.

The working principle is as follows: when the cleaning structure of the coal drill bit is used, firstly, the coal drill bit body 1 can be pushed to the outside of the sleeve 6 through the roll shaft 11 to operate when being driven, when the outer end of the sleeve 6 contacts with an operation surface, the connecting sleeve 3 drives the sliding sleeve 4 to slide outside the sliding rod 5 and extrude the spring 10 after receiving acting force, the sleeve 6 can movably support and press on the operation surface under the action of the spring 10, the annular rubber gasket at the top end of the sleeve 6 can protect the outer end of the sleeve 6 to prevent the sleeve 6 from being worn when supporting and pressing on the operation surface, then the water injection pipe 9 is connected with an external water pipe, when cleaning water from the outside is injected into the water spray disc 7 through the water injection pipe 9, the surface of the coal drill bit body 1 can be washed through the spray head 8, so that the purpose of cleaning coal adhered to the surface of the coal drill bit body 1 is achieved, and the trouble that a worker needs to clean the coal frequently and manually is avoided, meanwhile, when the water spraying disc 7 cleans the coal bit body 1 by utilizing cleaning water, part of the cleaning water can enter the through hole of the coal bit body 1, and the cleaning water plays a certain cooling function on the coal bit body 1 through flowing inside the coal bit body, so that the coal bit body 1 is prevented from being too high in temperature in the drilling process, and a series of work is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a clearance structure of coal drill bit, includes coal drill bit body (1), the one end of coal drill bit body (1) is equipped with connector (2), its characterized in that: the outside cover of connector (2) is equipped with adapter sleeve (3), the outside of coal bit body (1) is equipped with sleeve (6), sleeve (6) and adapter sleeve (3) fixed connection, the notch has all been seted up to the both sides of connector (2), the notch internal fixation of connector (2) both sides has slide bar (5), the outside cover of slide bar (5) is equipped with sliding sleeve (4), the inner wall fixed connection of connecting block and adapter sleeve (3) is passed through in the outside of sliding sleeve (4), just the inside of sleeve (6) is equipped with water spray disk (7), be equipped with a plurality of shower nozzle (8) on the inner wall of water spray disk (7), and one side of sleeve (6) bottom is connected with water injection pipe (9), the one end of water injection pipe (9) is passed sleeve (6) and is linked together with water spray disk (7).

2. A cleaning structure of a coal bit according to claim 1, characterized in that: the outside cover of slide bar (5) is equipped with spring (10), just the both ends of spring (10) respectively with the bottom of sliding sleeve (4) and the bottom inner wall connection of connector (2) notch.

3. A cleaning structure of a coal bit according to claim 1, characterized in that: the water spraying disc (7) is of an annular cylinder structure, and the spray heads (8) are distributed on the inner wall of the water spraying disc (7) in a surrounding manner.

4. A cleaning structure of a coal bit according to claim 1, characterized in that: the bottom of sleeve (6) is equipped with the through-hole identical with connector (2) structure, just the inner wall of sleeve (6) bottom through-hole encircles and is equipped with a plurality of roller (11).

5. A cleaning structure of a coal bit according to claim 1, characterized in that: the top end of the sleeve (6) is provided with an annular rubber pad, and the annular rubber pad at the top end of the sleeve (6) is bonded with the sleeve (6) through an adhesive.

6. A cleaning structure of a coal bit according to claim 1, characterized in that: the coal drill bit is characterized in that a plurality of through holes are formed in the coal drill bit body (1), and the through holes in the coal drill bit body (1) are parallel to the spray head (8).