阅读说明：本技术 一种矿用钻割一体化专用独立钻头 (Special mining drilling and cutting integrated independent drill bit ) 是由 张辉 于 2021-02-09 设计创作，主要内容包括：本发明公开了一种矿用钻割一体化专用独立钻头,其特征在于,包括：进水管,为非回转体,其内部、沿其轴线方向贯通设置有过水通道,其侧面开设有卡销孔；出水管,为圆台结构,其下底面与进水管连通设置,其内部、沿其轴线方向贯通设置有多条出水管路,多条出水管路均连通至过水通道；钻齿,均布在出水管的侧壁面上；进水管,用于作为水流的入口,并经过水通道分流至多条出水管路后流出。解决了现有技术中在煤矿井下更换独立钻头困难的问题。(The invention discloses a special mining drilling and cutting integrated independent drill bit, which is characterized by comprising the following components: the water inlet pipe is a non-revolving body, a water passing channel is arranged in the water inlet pipe in a penetrating way along the axis direction of the water inlet pipe, and a clamping pin hole is formed in the side surface of the water inlet pipe; the water outlet pipe is of a circular truncated cone structure, the lower bottom surface of the water outlet pipe is communicated with the water inlet pipe, a plurality of water outlet pipelines are arranged in the water outlet pipe and run through the water outlet pipe along the axis direction of the water outlet pipe, and the plurality of water outlet pipelines are communicated to the water passing channel; the drill teeth are uniformly distributed on the side wall surface of the water outlet pipe; the water inlet pipe is used as an inlet of water flow and flows out after being divided into a plurality of water outlet pipelines through the water channel. The problem of among the prior art change the independent drill bit difficulty in the pit in the colliery is solved.)

1. The utility model provides a mining special independent drill bit of integration that bores and cuts which characterized in that includes:

the water inlet pipe (10) is a non-revolving body, a water passing channel (6) is arranged in the water inlet pipe in a penetrating way along the axis direction of the water inlet pipe, and a clamping pin hole (8) is formed in the side surface of the water inlet pipe;

the water outlet pipe (11) is of a circular truncated cone structure, the lower bottom surface of the water outlet pipe is communicated with the water inlet pipe (10), a plurality of water outlet pipelines are arranged in the water outlet pipe and run through the water outlet pipe along the axis direction of the water outlet pipe, and the water outlet pipelines are communicated with the water passing channel (6);

the plurality of drilling teeth are uniformly distributed on the side wall surface of the water outlet pipe (11);

the water inlet pipe (10) is used as an inlet of water flow and is divided into a plurality of water outlet pipelines through the water passing channel (6) and then flows out.

2. The mining drilling and cutting integrated special independent drill bit as claimed in claim 1, characterized in that one end of the water inlet pipe (10) far away from the water outlet pipe (11) is coaxially provided with a threaded blind hole (7) for detachably connecting the ejector rod (2).

3. The mining drilling and cutting integrated special independent drill bit according to claim 2, characterized in that the water passing channel (6) is located at one side of the threaded blind hole (7) and is semicircular in cross section.

4. The mining drilling and cutting integrated special independent drill bit as claimed in any one of claims 1 to 3, wherein a plurality of water outlet pipelines comprise:

at least two through water holes (12) are arranged on the upper bottom surface of the water outlet pipe (11) in parallel along the axial direction of the water outlet pipe (11);

at least three water outlet holes (13) which are arranged on the side wall surface of the water outlet pipe (11) at intervals; each water outlet hole (13) is positioned between every two drilling teeth.

5. The mining drilling and cutting integrated special independent drill bit as claimed in any one of claims 1 to 3, characterized in that a spring (5), a bayonet (3) and a bayonet bushing (4) are sequentially installed in the bayonet hole (8) from inside to outside, and the bayonet (3) is used as a connecting part of the water inlet pipe (10).

6. The mining drilling and cutting integrated special independent drill bit as claimed in claim 5,

the bayonet lock (3) is of a cylinder structure, and one side of the bottom end of the bayonet lock is provided with a boss (1);

the bayonet pin bushing (4) is of a circular ring structure, and an opening is formed in the wall surface of the inner ring of the bayonet pin bushing; the opening is used for allowing the bayonet (3) and the boss (1) on the bayonet to pass through and is also used for limiting the bayonet (3) at the inner side of the bayonet bushing (4) after rotating the position of the bayonet.

7. The mining drilling and cutting integrated special independent drill bit as claimed in any one of claims 1 to 3, characterized in that the side walls of the water inlet pipe (10) are rounded (9).

Technical Field

The invention belongs to the technical field of conventional geological drilling, and particularly relates to a mining drilling and cutting integrated special independent drill bit.

Background

The domestic research of the high-pressure water jet anti-reflection and anti-outburst technology starts in the last 90 s, and drilling and cutting integrated high-pressure water jet anti-reflection and anti-outburst equipment and technology are suitable for shallow anti-outburst gas drainage drilling holes as the drilling and cutting integrated independent drill bits are connected through threads; connecting thread can't dismantle the change in the pit after long-time deep hole construction, needs to dismantle the change after heating on the pit, has the independent drill bit of change difficulty, influences the problem of construction progress.

Disclosure of Invention

The invention aims to provide a special drilling and cutting integrated independent drill bit for a mine, and the problem that the independent drill bit is difficult to replace in a coal mine in the prior art is solved.

The invention adopts the following technical scheme: a mining drilling and cutting integrated special independent drill bit comprises:

the water inlet pipe is a non-revolving body, a water passing channel is arranged in the water inlet pipe in a penetrating way along the axis direction of the water inlet pipe, and a clamping pin hole is formed in the side surface of the water inlet pipe;

the water outlet pipe is of a circular truncated cone structure, the lower bottom surface of the water outlet pipe is communicated with the water inlet pipe, a plurality of water outlet pipelines are arranged in the water outlet pipe and run through the water outlet pipe along the axis direction of the water outlet pipe, and the plurality of water outlet pipelines are communicated with the water passing channel;

the plurality of drill teeth are uniformly distributed on the side wall surface of the water outlet pipe;

the water inlet pipe is used as an inlet of water flow and flows out after being divided into a plurality of water outlet pipelines through the water channel.

Furthermore, one end of the water inlet pipe, which is far away from the water outlet pipe, is coaxially provided with a threaded blind hole which is used for being detachably connected with the ejector rod.

Furthermore, the water passing channel is positioned on one side of the threaded blind hole, and the section of the water passing channel is in a semicircular ring shape.

Further, the plurality of water outlet pipes comprise:

at least two through water holes are arranged on the upper bottom surface of the water outlet pipe in parallel along the axial direction of the water outlet pipe;

the at least three water outlet holes are arranged on the side wall surface of the water outlet pipe at intervals; each water outlet hole is positioned between every two drilling teeth.

Furthermore, a spring, a bayonet lock and a bayonet lock bushing are sequentially arranged in the bayonet lock hole from inside to outside, and the bayonet lock is used as a connecting part of the water inlet pipe.

Furthermore, the bayonet lock is of a cylinder structure, and one side of the bottom end of the bayonet lock is provided with a boss;

the bayonet pin bushing is of a circular ring structure, and an opening is formed in the wall surface of an inner ring of the bayonet pin bushing; and the opening is used for allowing the clamping pin and the upper boss thereof to pass through and is also used for limiting the clamping pin to the inner side of the clamping pin bushing after the clamping pin is rotated.

Further, the side walls of the water inlet pipe are rounded.

The invention has the beneficial effects that: a mining drilling and cutting integrated special independent drill bit comprises a drill bit connection mode and a drill bit water passing channel; the tail end of the water inlet pipe is a square body, the ejector rod connected through threads is installed on the plane of the tail end of the water inlet pipe, the clamping pin hole is formed in the side face of the tail end of the water inlet pipe, the clamping pin bushing is installed in the clamping pin hole in an interference fit mode, the clamping pin fixing mode can effectively improve the replacement efficiency of the independent drill bit, the problem of low replacement efficiency caused by a threaded structure is avoided, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of a special drilling and cutting integrated independent drill bit for a mine;

FIG. 2 is a front sectional view of FIG. 1;

FIG. 3 is a top view of a special drill bit for mining drilling and cutting integration;

FIG. 4 is a schematic perspective view of a bayonet of a special integrated drilling and cutting drill bit for mining.

Wherein, 1, a boss, 2, an ejector rod, 3, a bayonet, 4, a bayonet bushing, 5, a spring, 6, a water passing channel,

7. a thread blind hole, 8 clamping pin holes, 9 round corners, 10 water inlet pipes, 11 water outlet pipes, 12 straight-through water outlet holes,

13. and (7) water outlet holes.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The invention discloses a mining drilling and cutting integrated special independent drill bit, as shown in figure 1, comprising: the water inlet pipe 10 is a non-revolving body, the inside of the water inlet pipe is provided with a water passing channel 6 in a penetrating way along the axis direction, and the side surface of the water inlet pipe is provided with a clamping pin hole 8; the water outlet pipe 11 is of a circular truncated cone structure, the lower bottom surface of the water outlet pipe is communicated with the water inlet pipe 10, a plurality of water outlet pipelines are arranged in the water outlet pipe and run through the water outlet pipe along the axis direction of the water outlet pipe, and the water outlet pipelines are all communicated with the water passing channel 6; a plurality of drill teeth are uniformly distributed on the side wall surface of the water outlet pipe 11; and the water inlet pipe 10 is used as an inlet of water flow, and is divided into a plurality of water outlet pipelines through the water channel 6 and then flows out.

A mining drilling and cutting integrated special independent drill bit comprises a drill bit connection mode and a drill bit water passing channel; the tail end of the water inlet pipe is a square body, the ejector rod connected through threads is installed on the plane of the tail end of the water inlet pipe, the clamping pin hole is formed in the side face of the tail end of the water inlet pipe, the clamping pin bushing is installed in the clamping pin hole in an interference fit mode, the clamping pin fixing mode can effectively improve the replacement efficiency of the independent drill bit, the problem of low replacement efficiency caused by a threaded structure is avoided, and the working efficiency is improved.

In some embodiments, a threaded blind hole 7 is coaxially arranged at one end of the water inlet pipe 10 far away from the water outlet pipe 11 and is used for detachably connecting the ejector rod 2; the plane center of the tail end of the water inlet pipe 10 is provided with a mounting hole for the ejector rod 2, the ejector rod 2 is in threaded connection with the water inlet pipe 10, the water passing channel 6 is located on one side of the threaded blind hole 7, the water passing channel 6 of the water inlet pipe 10 avoids the mounting position of the ejector rod 2, the water passing channel 6 of the water inlet pipe 10 cannot be communicated with the clamping pin hole, five water outlet holes are formed in the front end of the water outlet pipe 11, two water passing holes 12 are formed in the straight through water holes of the water passing channel 6, three water passing channels are uniformly distributed among three groups of drilling teeth, and the.

In some embodiments, as shown in fig. 3, the plurality of water outlet pipes includes: the two through water holes 12 are arranged on the upper bottom surface of the water outlet pipe 11 in parallel along the axial direction of the water outlet pipe 11; three water outlet holes 13 which are arranged on the side wall surface of the water outlet pipe 11 at intervals; each outlet hole 13 is located between two drilling teeth.

In some embodiments, as shown in fig. 2 and 4, a spring 5, a bayonet 3 and a bayonet bushing 4 are arranged in the bayonet hole 8 from inside to outside in sequence, and the bayonet 3 is used as a connecting part of the water inlet pipe 10. The bayonet lock 3 is of a cylinder structure, and one side of the bottom end of the bayonet lock is provided with a boss 1; the bayonet lock bush 4 is of a circular ring structure, and an opening is arranged on the wall surface of the inner ring of the bayonet lock bush; the opening is used for supplying bayonet lock 3 and boss 1 thereon to pass through, still is used for being spacing its inboard at bayonet lock bush 4 behind rotatory bayonet lock 3 position, follows into water pipe 10 and forms an organic whole structure, and the lateral wall of water pipe 10 all has radius angle 9.

The invention relates to a specific use method of a mining drilling and cutting integrated special independent drill bit, which comprises the following steps: the water inlet pipe 10 is connected with the mandril 2 through threads; the water passing channel 6 of the water inlet pipe 10 avoids the installation position of the ejector rod 2, the water passing channel 6 of the water inlet pipe 10 cannot be communicated with the clamping pin hole, the number of the water outlet holes in the front end of the water outlet pipe 11 is five, the number of the water passing holes 11 is two compared with the number of the water passing holes 6, three water passing channels are uniformly distributed among three groups of drill teeth, water in the water passing channel 6 can be sprayed out quickly, the drill bit is cleaned, the square axial direction of the water inlet pipe 10 is provided with a fillet 9, and the cross section of the water passing hole 6.

Bayonet bush 4 is installed to inlet tube 10 side card pinhole, and Bayonet bush 4 interference fit installs in the bayonet hole, and the outside welding of card pinhole consolidates bayonet bush 4 and inlet tube 10 and forms an organic whole structure. Spring 5 installs in bayonet lock bush 4 rear end, and 3 tail end bosss 1 of bayonet lock rotate 90 after installing into the bayonet lock hole through 4 openings of bayonet lock bush, and spring 5 kick-backs and is died 3 tail end bosss 1 propelling movement of bayonet lock to fixed position.

According to the mining drilling and cutting integrated special independent drill bit, the water inlet pipe is a non-rotating body, such as a quadrangular prism, the end face of the inlet of the mining drilling and cutting integrated special independent drill bit can be connected with the ejector rod through threads, the side face of the water inlet pipe is provided with the clamping pin hole, the clamping pin bushing is installed in the clamping pin hole in an interference fit mode, the clamping pin fixing mode can effectively improve the replacement efficiency of the independent drill bit, the problem that the replacement efficiency is low due to the fact that the original drill bit is connected with other parts through a threaded structure.