CN216305835U

CN216305835U - Drilling blowout preventer for coal mine water exploration and drainage

Info

Publication number: CN216305835U
Application number: CN202122778145.2U
Authority: CN
Inventors: 苏洋; 梁辰琛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-04-15
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a drilling blowout preventer for water exploration and drainage in a coal mine, which comprises a drill barrel, wherein a drilling assembly is arranged in the middle of an inner cavity of the drill barrel, a first buffer mechanism is arranged at the bottom of the inner cavity of the drill barrel, the first buffer mechanism comprises a fixed plate and a buffer plate, the fixed plate is fixedly connected to the bottom of the inner cavity of the drill barrel, the buffer plate is arranged at the lower position of the fixed plate, a first elastic telescopic piece is arranged between the fixed plate and the buffer plate, water storage pipes are symmetrically arranged on two sides of the drill barrel, and a second buffer mechanism is arranged at the top of the inner cavity of the water storage pipe. According to the utility model, the fixing plate, the buffer plate and the first elastic telescopic piece are arranged at the bottom of the inner cavity of the drill cylinder, the water storage pipes communicated with the drill cylinder are arranged on two sides of the drill cylinder, and the water blocking plate in the water storage pipes and the second elastic telescopic piece are matched, so that the sprayed water flow can be buffered and distributed, the impact force of the water flow on the drill cylinder and a drilling assembly in the drill cylinder is reduced, and the operation safety is improved.

Description

Drilling blowout preventer for coal mine water exploration and drainage

Technical Field

The utility model relates to the technical field of drilling blowout preventers, in particular to a drilling blowout preventer for water exploration and drainage in a coal mine.

Background

The water exploration drilling machine is mainly suitable for gas emission drilling, blasting coal dropping holes and rock drilling for exploring measures for preventing coal and gas outburst on a mining working face, and can also be used for drilling exploration water holes on the section of a small roadway and the like.

At present when surveying the drainage in the colliery, when surveying the water drill and being used for exploring the water hole, when boring the soil of water hole top suddenly, the water in the water hole can spout the look and go out, not only leads to the damage of surveying the water drill easily, causes the injury of operation personnel on every side simultaneously easily, causes the damage of person and property to the security of surveying the drainage operation has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a drilling blowout preventer for water exploration and drainage in a coal mine, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a drilling blowout preventer for water exploration and drainage in a coal mine comprises a drill barrel, wherein a drilling assembly is arranged in the middle of an inner cavity of the drill barrel, and a first buffer mechanism is arranged at the bottom of the inner cavity of the drill barrel;

the first buffer mechanism comprises a fixed plate and a buffer plate, the fixed plate is fixedly connected to the bottom of the inner cavity of the drill barrel, the buffer plate is arranged below the fixed plate, and a first elastic telescopic piece is arranged between the fixed plate and the buffer plate;

the two sides of the drilling barrel are symmetrically provided with water storage pipes, the bottom ends of the two water storage pipes are respectively communicated with the inner cavity of the drilling barrel, and the top of the inner cavity of the water storage pipe is provided with a second buffer mechanism.

Preferably, the second buffer mechanism comprises a water blocking plate, the water blocking plate is arranged in an inner cavity of the water storage pipe in a sliding mode, an elastic base plate is fixedly connected to the bottom end of the water blocking plate, and a second elastic expansion piece is fixedly arranged between the top end of the water blocking plate and the bottom end of the inner cavity of the water storage pipe.

Preferably, the first elastic expansion piece and the second elastic expansion piece are composed of a cylindrical pipe, a cylindrical rod and a buffer spring, the outer wall of the cylindrical rod and the inner cavity of the cylindrical pipe are arranged in a sliding and penetrating mode, and the buffer spring is fixedly arranged between one end of the cylindrical rod and one end of the inner cavity of the cylindrical pipe.

Preferably, the top of the outer wall of each of the two water storage pipes is fixedly and alternately connected with a drain pipe, and a pipeline valve is arranged in the middle of each drain pipe.

Preferably, the drilling assembly comprises a hydraulic cylinder, a drilling motor and a drill rod, the hydraulic cylinder is fixedly connected to the top end of the drilling barrel, the output end of the hydraulic cylinder penetrates through the inner cavity of the drilling barrel and is fixedly arranged on the top end of the drilling motor, the bottom end of the drilling motor is fixedly connected with a connecting sleeve, and the output shaft of the drilling motor is in transmission connection with the top end of the drill rod through a connecting shaft arranged in the connecting sleeve.

Preferably, the bottom of the outer wall of the drilling barrel is fixedly sleeved with a connecting disc, and the side of the top end of the connecting disc is provided with a plurality of connecting through holes in an annular array at intervals.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the fixing plate, the buffer plate and the first elastic telescopic piece are arranged at the bottom of the inner cavity of the drill cylinder, the water storage pipes communicated with the drill cylinder are arranged on two sides of the drill cylinder, and the water blocking plate in the water storage pipes and the arrangement of the second elastic telescopic piece are matched, so that the sprayed water flow can be buffered and divided, the impact force of the water flow on the drill cylinder and a drilling assembly in the drill cylinder is reduced, and the operation safety is improved;

(2) according to the utility model, the water drainage pipes communicated with the two water storage pipes are fixedly arranged at the tops of the side walls of the two water storage pipes, and the pipeline valves are arranged on the water drainage pipes, so that the water storage pipes can be conveniently communicated with external water storage equipment, redundant water can be conveniently stored, and the utilization rate of water resources is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

FIG. 2 is a front sectional structural view of the present invention.

Fig. 3 is a front sectional structural view of the elastic expansion piece of the present invention.

In the figure: 1. drilling a barrel; 2. a hydraulic cylinder; 3. a fixing plate; 4. a buffer plate; 5. a water storage pipe; 6. a water-blocking plate; 7. an elastic backing plate; 8. a connecting disc; 9. a drain pipe; 10. a pipeline valve; 11. a drilling motor; 12. connecting a sleeve; 13. a drill stem; 14. a cylindrical tube; 15. a cylindrical rod; 16. a buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a drilling blowout preventer for water drainage in coal mine, which is shown in figures 1-3 and comprises a drilling barrel 1, wherein a drilling assembly is arranged in the middle of an inner cavity of the drilling barrel 1, the drilling assembly comprises a hydraulic cylinder 2, a drilling motor 11 and a drill rod 13, the hydraulic cylinder 2 is fixedly connected to the top end of the drilling barrel 1, the output end of the hydraulic cylinder 2 penetrates through the inner cavity of the drilling barrel 1 and is fixedly arranged with the top end of the drilling motor 11, the bottom end of the drilling motor 11 is fixedly connected with a connecting sleeve 12, an output shaft of the drilling motor 11 is in transmission connection with the top end of the drill rod 13 through a connecting shaft arranged in the connecting sleeve 12, the outer wall of the connecting sleeve 12 is in sliding penetrating connection with a fixing plate 3, a first buffer mechanism is arranged at the bottom of the inner cavity of the drilling barrel 1, the drilling motor 11 is driven to descend through the hydraulic cylinder 2, and the drilling motor 11 drives the drill rod 13 to rotate so as to rapidly perform drilling operation;

the first buffer mechanism comprises a fixed plate 3 and a buffer plate 4, the fixed plate 3 is fixedly connected to the bottom of the inner cavity of the drill barrel 1, the buffer plate 4 is arranged below the fixed plate 3, a first elastic expansion piece is arranged between the fixed plate 3 and the buffer plate 4, and the blocking effect of the buffer plate 4 is matched with the supporting fixation of the fixed plate 3 and the elastic expansion effect of the first elastic expansion piece to preliminarily buffer the impact force sprayed by water flow so as to achieve preliminary blowout prevention;

the water storage pipes 5 are symmetrically arranged on two sides of the drill barrel 1, the bottom ends of the two water storage pipes 5 are respectively communicated with the inner cavity of the drill barrel 1, the water storage pipes 5 are fixedly communicated with each other, so that a flow can be divided for the sprayed water flow, the impact force of the water flow is reduced, the water flow is stored at the same time, a second buffer mechanism is arranged at the top of the inner cavity of the water storage pipe 5 and comprises a water blocking plate 6, the water blocking plate 6 is arranged in the inner cavity of the water storage pipe 5 in a sliding mode, an elastic cushion plate 7 is fixedly connected to the bottom end of the water blocking plate 6, a second elastic expansion piece is fixedly arranged between the top end of the water blocking plate 6 and the bottom end of the inner cavity of the water storage pipe 5, the water flow in the water storage pipe 5 can be buffered by matching the water blocking plate 6 with the second elastic expansion piece, and the buffering effect is further improved;

the first elastic expansion piece and the second elastic expansion piece are composed of a cylindrical pipe 14, a cylindrical rod 15 and a buffer spring 16, the outer wall of the cylindrical rod 15 and the inner cavity of the cylindrical pipe 14 are arranged in a sliding and penetrating mode, the buffer spring 16 is fixedly arranged between one end of the cylindrical rod 15 and one end of the inner cavity of the cylindrical pipe 14, the cylindrical rod 15 extends into the cylindrical pipe 14 to extrude the buffer spring 16, the buffer spring 16 is compressed to generate elastic deformation, and therefore the purpose of elastic buffering is achieved;

the equal fixed interlude in top of two 5 outer walls of standpipe is connected with drain pipe 9, and the middle part of drain pipe 9 is provided with pipeline valve 10, and drain pipe 9 and pipeline valve 10's setting is convenient for communicate standpipe 5 with outside water storage equipment, makes things convenient for the discharge of unnecessary rivers, and the bottom of boring a 1 outer wall is fixed to have cup jointed connection pad 8, and the avris on connection pad 8 top is annular array spaced apart and is equipped with a plurality of connect the via hole, and the installation of boring a 1 and work ground of being convenient for is fixed.

The working principle of the utility model is as follows: drive drilling rod 13 at drilling motor 11 and rotate, and cooperation pneumatic cylinder 2 drives pivoted drilling rod 13 and descends and carry out the drilling operation, when the drill bit bores the soil of water hole top, water in the water hole is to boring a section of thick bamboo 1 internal blowout, spun water strikes buffer board 4, make by cylinder pipe 14, the elastic contraction takes place for the first elastic expansion part that cylinder rod 15 and buffer spring 16 are constituteed, buffer board 4 moves up, the impact to rivers is tentatively cushioned, simultaneously will bore 1 inner wall of a section of thick bamboo and the exposure of standpipe 5 through-hole department is connected, make rivers rush into standpipe 5 in, play a secondary buffering to the rivers of striking, the discharge of rivers of being convenient for simultaneously, the rivers that rush into standpipe 5 at last again through the cushioning effect who hinders water board 6 and second elastic expansion part, thereby avoid rivers direct blowout to cause the damage to boring a section of thick bamboo 1 inside drilling subassembly.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drilling blowout preventer for water drainage in coal mine exploration comprises a drill barrel (1) and is characterized in that a drilling assembly is arranged in the middle of an inner cavity of the drill barrel (1), and a first buffer mechanism is arranged at the bottom of the inner cavity of the drill barrel (1);

the first buffer mechanism comprises a fixed plate (3) and a buffer plate (4), the fixed plate (3) is fixedly connected to the bottom of the inner cavity of the drill barrel (1), the buffer plate (4) is arranged below the fixed plate (3), and a first elastic telescopic piece is arranged between the fixed plate (3) and the buffer plate (4);

the two sides of the drilling barrel (1) are symmetrically provided with water storage pipes (5), the bottom ends of the water storage pipes (5) are communicated with the inner cavity of the drilling barrel (1) respectively, and the top of the inner cavity of the water storage pipes (5) is provided with a second buffer mechanism.

2. The drilling blowout preventer for water drainage in coal mine exploration according to claim 1, wherein the second buffer mechanism comprises a water blocking plate (6), the water blocking plate (6) is slidably arranged in an inner cavity of the water storage pipe (5), an elastic cushion plate (7) is fixedly connected to the bottom end of the water blocking plate (6), and a second elastic expansion piece is fixedly arranged between the top end of the water blocking plate (6) and the bottom end of the inner cavity of the water storage pipe (5).

3. The drilling blowout preventer for water drainage in coal mine exploration, according to claim 1, characterized in that the first elastic expansion part and the second elastic expansion part are both composed of a cylindrical pipe (14), a cylindrical rod (15) and a buffer spring (16), the outer wall of the cylindrical rod (15) and the inner cavity of the cylindrical pipe (14) are slidably inserted, and the buffer spring (16) is fixedly arranged between one end of the cylindrical rod (15) and one end of the inner cavity of the cylindrical pipe (14).

4. The drilling blowout preventer for water drainage in coal mines according to claim 1, wherein the top of the outer wall of each of the two water storage pipes (5) is fixedly connected with a drain pipe (9) in a penetrating manner, and a pipeline valve (10) is arranged in the middle of each drain pipe (9).

5. The drilling blowout preventer for water drainage in coal mine exploration according to claim 1, wherein the drilling assembly comprises a hydraulic cylinder (2), a drilling motor (11) and a drill rod (13), the hydraulic cylinder (2) is fixedly connected to the top end of the drill barrel (1), the output end of the hydraulic cylinder (2) penetrates through the inner cavity of the drill barrel (1) and is fixedly arranged at the top end of the drilling motor (11), a connecting sleeve (12) is fixedly connected to the bottom end of the drilling motor (11), and the output shaft of the drilling motor (11) is in transmission connection with the top end of the drill rod (13) through a connecting shaft arranged in the connecting sleeve (12).

6. The drilling blowout preventer for water drainage in coal mine exploration according to claim 1, wherein a connecting disc (8) is fixedly sleeved at the bottom of the outer wall of the drill barrel (1), and a plurality of connecting through holes are formed in the side of the top end of the connecting disc (8) in an annular array at intervals.