CN210598811U

CN210598811U - A shock attenuation formula drill bit for mine is probing in pit

Info

Publication number: CN210598811U
Application number: CN201921329429.XU
Authority: CN
Inventors: 刘明海
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-05-22
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a shock attenuation formula drill bit for mine probing in pit, including the drill plate, the hank strip has been laid to drill plate one end outer fringe, and the one end central point of drill plate puts and has installed the spy awl, and the other end central point of drill plate puts and has installed the connecting cylinder, and the cover is equipped with the sleeve on the connecting cylinder, the built-in soft mass that is equipped with of connecting cylinder. In the probing process, when the drilling disc shakes from top to bottom, can arouse the connecting cylinder to reciprocate in the sleeve, thereby drive the abutting block and support and press and release soft piece, elasticity through soft piece, can alleviate the vibrations of probing, slide bar and the sliding fit of slide opening through the even setting of annular, the relative connecting cylinder of restriction sleeve is rotatory, can make the connecting cylinder reciprocate stably in the sleeve, elasticity through the even spring that sets up of annular, supplementary vibrations that produce the drilling disc slowly subtract, the shock attenuation effect is better, adopt fixed stereoplasm to connect relatively, can effectively reduce vibrations to their injury to gasoline engine and support.

Description

A shock attenuation formula drill bit for mine is probing in pit

Technical Field

The utility model relates to a shock attenuation formula drill bit for mine is probing in pit.

Background

The underground drilling of the mine is essentially to drill the mine, so that a vertical shaft is formed on the mine, and the actual exploitation is facilitated.

The existing underground mine drilling rig integrally comprises a gasoline engine erected by a bracket, the end part of a power shaft of the gasoline engine is connected with a transmission rod, one end of the transmission rod is connected with a flange plate, the flange plate is the same as the flange plate at one end of a drill plate, the flange plates can be butted with each other, the mounting holes in the outer edges of the flange plates are in one-to-one correspondence, bolts are inserted into the mounting holes, the bolts are locked by nuts, a drill bit and the transmission rod can be stably connected, the bracket is a hydraulic lifting mechanism and can be lifted by manually operating a lifting button, when the gasoline engine runs, the transmission rod and the drill bit can be driven to drill a mine, and the existing underground: this kind of connected mode, whole be fixed rigid connection, when the drill bit bored the ore deposit, itself will produce vibrations from top to bottom, and these vibrations can cause very big injury to gasoline engine and support on can directly transmitting the gasoline engine through the transfer line.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock attenuation formula drill bit for mine is probing in pit to propose the problem that the probing in-process is big to gasoline engine and support injury in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shock attenuation formula drill bit for mine is probing in pit, includes the drill chuck, the hank strip has been laid to drill chuck one end outer fringe, the one end central point of drill chuck puts and has installed the probe awl, the other end central point of drill chuck puts and has installed the connecting cylinder, the cover is equipped with the sleeve on the connecting cylinder, the built-in soft mass that is equipped with of connecting cylinder, the built-in pressure column that is equipped with of sleeve, the briquetting is installed to the one end of pressure column, the soft mass is connected to the one end that pressure column and briquetting inserted sleeve and briquetting, the ring flange has been installed to telescopic one end.

Preferably, the connecting cylinder is of a cylindrical structure with an opening at the upper end and an opening at the lower end, and the sleeve is of a cylindrical structure with an opening at the upper end.

Preferably, the soft block is of a circular column structure, the soft block is made of chloroprene rubber, the pressing column is of a round rod structure, and the pressing block is of a cylindrical structure.

Preferably, a connecting ring is arranged on the outer edge of one end of the sleeve, the connecting ring is of a circular structure, a sliding hole is formed in the connecting ring, a sliding rod is arranged at the other end of the drilling disc, the sliding rod penetrates out of the sliding hole, and a limiting plate is arranged at one end of the sliding rod.

Preferably, the sliding rod is sleeved with a spring, one end of the spring is connected to the drill plate, and the other end of the spring is connected to the connecting ring.

Compared with the prior art, the beneficial effects of the utility model are that: in the probing process, when the drilling disc shakes from top to bottom, can arouse the connecting cylinder to reciprocate in the sleeve, thereby drive the abutting block and support and press and release soft piece, elasticity through soft piece, can alleviate the vibrations of probing, slide bar and the sliding fit of slide opening through the even setting of annular, the relative connecting cylinder of restriction sleeve is rotatory, can make the connecting cylinder reciprocate stably in the sleeve, elasticity through the even spring that sets up of annular, supplementary vibrations to the drilling disc production slow down, the shock attenuation effect is better, adopt fixed stereoplasm to connect relatively, can effectively reduce vibrations to their injury to gasoline engine and support, the problem that the probing in-process is big to gasoline engine and support injury has been solved.

Drawings

FIG. 1 is a partially cut-away front view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic bottom view of the present invention;

fig. 4 is a schematic view of the upper side of the utility model transversely sectioning.

In the figure: the device comprises a drill plate 1, a twisted strip 2, a probing cone 3, a connecting cylinder 4, a sleeve 5, a soft block 6, a pressing column 7, a pressing block 8, a flange plate 9, a connecting ring 10, a sliding hole 11, a sliding rod 12, a limiting plate 13 and a spring 14.

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, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a shock absorption type drill bit for underground drilling of mines comprises a drill disk 1, wherein a twisted strip 2 is distributed on the outer edge of one end of the drill disk 1, the twisted strip 2 is annularly and uniformly arranged on the outer edge of the upper end face of the drill disk 1 and is of a strip-shaped structure with an isosceles triangle upper side in cross section and is integrated with the drill disk 1 and a fusion casting piece, a detection cone 3 is arranged at the central position of one end of the drill disk 1, the detection cone 3 is integrally of a cone structure, a small cone is uniformly arranged on the surface of the detection cone 3, the lower end of the detection cone 3 is connected with the central position of the upper end of the drill disk 1, the detection cone 3 and the drill disk 1 are integrated into a fusion casting piece, the detection cone 3 is used for positioning a drilling position and milling a drilling point, stable scraping of the twisted strip 2 to a mine is facilitated, a connecting cylinder 4 is arranged at the central position of the other end of the drill disk 1, the central position of the lower end of the, the matching sections of the pressing block 8 and the connecting cylinder 4 are all circular, the connecting cylinder 4 is sleeved with a sleeve 5, the connecting cylinder 4 is of a cylindrical structure with an opening at the upper end and the lower end, the sleeve 5 is of a cylindrical structure with an opening at the upper end, a soft block 6 is arranged in the connecting cylinder 4, the soft block 6 is inserted into the connecting cylinder 4 in a sliding mode, the upper end of the soft block 6 is connected with the central position of the lower end of the drilling disc 1 in a resin adhesive bonding mode, a pressing column 7 is arranged in the sleeve 5, the lower end of the pressing column 7 is connected with the central position of the inner lower end of the sleeve 5 in a welding mode, the upper end of the pressing column 7 is connected with the central position of the lower end of the pressing block 8 in a welding mode, one end of the pressing column 7 is provided with the pressing block 8, the pressing column 7 and the pressing block 8 are inserted into the sleeve 5, one end of the pressing block 8 is connected with the soft block 6, the pressing block 8 is, the soft block 6 is in a round column structure and made of chloroprene rubber, the soft block 6 is soft and has good aging resistance, the connecting cylinder 4 can move up and down in the sleeve 5 when the drilling disk 1 vibrates up and down in the drilling process, thereby driving the pressing block 8 to press and release the soft block 6, the vibration of drilling can be reduced by the elasticity of the soft block 6, the pressing column 7 is in a round rod structure, the pressing block 8 is in a cylindrical structure, one end of the sleeve 5 is provided with a flange 9, the lower end of the sleeve 5 is connected with the central position of the upper end of the flange 9 in a welding way, the flange 9 is in a round plate structure as a whole, the outer edge is annularly and uniformly provided with mounting holes, can be butted with the same flange 9 at one end of the transmission rod, the mounting holes of the flange 9 are in one-to-one correspondence, and then inserting a bolt into the mounting hole, and locking by using a nut, so that the drill bit can be stably arranged on the transmission rod.

Referring to fig. 1 and 4, a connecting ring 10 is installed on an outer edge of one end of a sleeve 5, the connecting ring 10 is installed on an outer edge of an upper port of the sleeve 5, the connecting ring 10 and the sleeve 5 are a fusion-cast integral piece, the connecting ring 10 is of a circular ring structure, a sliding hole 11 is distributed on the connecting ring 10, the sliding hole 11 is of a circular hole structure and is uniformly and annularly arranged on an outer edge of the connecting ring 10, a sliding rod 12 is distributed on the other end of a drill plate 1, the sliding rod 12 is uniformly and annularly arranged on an outer edge of a lower end of the drill plate 1, the sliding rod 12 is slidably inserted into the sliding hole 11, the sleeve 5 is limited to rotate relative to the connecting cylinder 4 through the sliding fit of the sliding rod 12 and the sliding hole 11, the connecting cylinder 4 can stably move up and down in the sleeve 5, the sliding rod 12 penetrates through the sliding hole 11, one end of the sliding rod 12 is provided with a limiting plate 13, the, spring 14 is the compression resilience type, and initial compression resilience force is 80 newtons, be natural state this moment, the lower extreme of rig 1 is connected to the upper end of spring 14 adoption welded mode, the lower extreme of spring 14 adopts the upper end of welded mode connection go-between 10, the one end of spring 14 is connected on rig 1, the other end of spring 14 is connected on go-between 10, the elasticity of the spring 14 that evenly sets up through the annular, supplementary vibrations that produce rig 1 slow down, the shock attenuation effect is better, because rig 1 is the design of plane smear metal formula, the degree of depth that the single bored into the mine is the thickness of a rig 1, then rise through hydraulic lifting mechanism, the rubble bits in the rethread digger will bore the well dig out, then drill down again, consequently, can not hinder the flexible of spring 14 because of the rubble bits.

The utility model discloses when concrete implementation: the flange plate 9 at one end of the sleeve 5 can be butted with the same flange plate 9 at one end of the transmission rod, the mounting holes of the flange plates 9 are in one-to-one correspondence, then bolts are inserted into the mounting holes and are locked by nuts, the drill bit can be stably arranged on the transmission rod, and the connecting cylinder 4 can be caused to move up and down in the sleeve 5 when the drilling disk 1 vibrates up and down in the drilling process, thereby driving the pressing block 8 to press and release the soft block 6, and the vibration of drilling can be reduced through the elasticity of the soft block 6, the sliding fit of the sliding rods 12 and the sliding holes 11 which are uniformly arranged in a ring shape limits the rotation of the sleeve 5 relative to the connecting cylinder 4, can make connecting cylinder 4 reciprocate stably in sleeve 5, through the elasticity of the even spring 14 that sets up of annular, supplementary vibrations to the production of drilling disk 1 slow down, the shock attenuation effect is better, adopts fixed stereoplasm to connect relatively, can effectively reduce vibrations to their injury to gasoline engine and support.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A shock absorbing drill bit for drilling downhole in mines, comprising a drilling disc (1), characterized in that: drill plate (1) one end outer fringe has been laid hank strip (2), the one end central point of drill plate (1) puts and has been installed and visit awl (3), connecting cylinder (4) have been installed to the other end central point of drill plate (1), the cover is equipped with sleeve (5) on connecting cylinder (4), the built-in soft matter piece (6) that is equipped with of connecting cylinder (4), the built-in pressure post (7) that is equipped with of sleeve (5), support briquetting (8) are installed to the one end of pressure post (7), support pressing post (7) and support briquetting (8) insert sleeve (5) and support briquetting (8) one end connection soft matter piece (6), ring flange (9) have been installed to the one end of sleeve (5).

2. A shock absorbing drill bit for down-hole drilling of mines according to claim 1, characterized in that: the connecting cylinder (4) is of a cylindrical structure with an opening at the upper end and an opening at the lower end, and the sleeve (5) is of a cylindrical structure with an opening at the upper end.

3. A shock absorbing drill bit for down-hole drilling of mines according to claim 1, characterized in that: the soft block (6) is of a circular column structure, the material is chloroprene rubber, the pressing column (7) is of a circular rod structure, and the pressing block (8) is of a cylindrical structure.

4. A shock absorbing drill bit for down-hole drilling of mines according to claim 2, characterized in that: the one end of sleeve (5) is outer along having installed go-between (10), and go-between (10) are the ring structure, have laid slide opening (11) on go-between (10), and slide bar (12) have been laid to the other end of drilling disc (1), and limiting plate (13) have been installed to the one end that slide opening (11) and slide bar (12) were worn out to slide bar (12).

5. A shock absorbing drill bit for down-hole drilling of mines according to claim 4, characterized in that: the sliding rod (12) is sleeved with a spring (14), one end of the spring (14) is connected to the drilling disk (1), and the other end of the spring (14) is connected to the connecting ring (10).