CN216894320U

CN216894320U - Orifice anti-spraying device

Info

Publication number: CN216894320U
Application number: CN202123269354.0U
Authority: CN
Inventors: 刘发全; 李帝兵; 杨林; 杨波; 羊超; 张仑; 汤凯凯; 代小勇
Original assignee: Guizhou Panjiang Refined Coal Co Ltd
Current assignee: Guizhou Panjiang Refined Coal Co Ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-05
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a device for preventing orifice from spraying, which comprises: an anti-orifice device body; further comprising: the mounting mechanism is rotatably connected to the right end of the blowout-preventing hole device body; a fixing mechanism; the fixing mechanism is arranged on the outer surface of the mounting mechanism; the anti-spraying hole device comprises a mounting mechanism, a connecting pipe is arranged at the right end of an anti-spraying hole device body, the connecting pipe is connected with an inner pipe through a bearing, a drill pipe penetrates through the inner pipe, the anti-spraying hole device body is hung on the drill pipe, the drill pipe and the anti-spraying hole device body cannot collide and rub, unnecessary loss caused by using the anti-spraying hole device is avoided, a fixing mechanism is arranged on the outer side of the connecting pipe, the connecting pipe is clamped and fixed through a first clamping plate and a second clamping plate, the drill pipe is further fixed, the inner pipe and the drill pipe form a whole through the cooperation of the fastening pipe and a lug, the drill pipe is reduced to shake, and collision between the drill pipe and the anti-spraying hole device body is further reduced.

Description

Orifice anti-spraying device

Technical Field

The utility model relates to the field of coal mining instruments, in particular to a hole orifice spraying prevention device.

Background

Coal is the most important solid fuel, is one kind of combustible organic rock, and is formed by gradually piling up various plants growing in certain geological age into thick layers in a proper geological environment, burying the thick layers at the water bottom or in silt and performing natural coalification for a long geological age, and the coal is produced most in the stratums of the stone charm, the second, the Jurassic and the third in the world, which is an important coal-forming era.

The applicant finds that a Chinese patent discloses a mine gas extraction drilling hole blowout prevention device with the application number of '201910711851. X' through retrieval when applying the utility model, the patent comprises a drill bit, a sleeve, a drilling machine and a slag storage box, wherein the drill bit is sleeved with the sleeve, the middle part of the sleeve is processed with a conical table, the sleeve is sleeved with a sealing rubber ring, the sleeve is further sleeved with a sleeve, the sleeve is sleeved with a compression nut, the compression nut is abutted against the sleeve, the right end of the sleeve is provided with the drilling machine, the sleeve is provided with a discharge hole, the discharge hole is communicated with the slag storage box through a telescopic hose, a filter screen is arranged inside the slag storage box, the right side of the slag storage box is provided with an air storage tank, the outside of the slag storage box is further provided with a cleaning mechanism, the surface of the sealing rubber ring is raised through rotating the compression nut, the sealing rubber ring is tightly abutted against the inner wall of a drilling hole, the gas overflow is prevented, and the sealing effect is good, the installation rate is fast, has improved work efficiency greatly, utilizes the filter screen to filter gas, utilizes the gas holder to collect gas, can wash the filter screen through setting up wiper mechanism, but the orifice device construction drilling process is prevented in the present drill way drilling rod and drill way often appear and prevent that the orifice device takes place the friction, leads to the unnecessary loss.

Disclosure of Invention

In order to solve the defects and shortcomings of the prior art, the utility model aims to provide an orifice jet-preventing device.

The technical scheme of the utility model is as follows: an orifice anti-orifice device comprising:

an anti-orifice device body;

further comprising:

the mounting mechanism is rotatably connected to the right end of the blowout-preventing hole device body;

a fixing mechanism; the fixing mechanism is arranged on the outer surface of the mounting mechanism;

a fastening mechanism disposed within the mounting mechanism.

Preferably, the installation mechanism comprises a connecting pipe, the connecting pipe is rotatably connected to the right end of the anti-spraying hole device body, a bearing is fixedly connected to the inside of the connecting pipe, and an inner pipe is fixedly connected to the inside of the bearing.

Preferably, both ends all are provided with the baffle about the inner tube, and the surface of baffle and the internal surface laminating of connecting pipe.

Preferably, the fixing mechanism comprises a first clamping plate, a second clamping plate is arranged at one end of the first clamping plate, and the first clamping plate and the second clamping plate are both arranged on the outer surface of the connecting pipe.

Preferably, the upper end and the lower end of the first clamping plate are fixedly connected with first ear plates, and the upper end and the lower end of the second clamping plate are fixedly connected with second ear plates.

Preferably, one side of the first ear plate facing the second ear plate is provided with a butt joint groove, one side of the second ear plate facing the first ear plate is provided with a butt joint block, and the butt joint block corresponds to the butt joint groove.

Preferably, the fastening mechanism comprises a fastening tube and a projection, the fastening tube is arranged inside the inner tube, and the projection is arranged inside the inner tube.

Preferably, the outer surface of the fastening pipe is provided with an external thread, the outer surface of the external thread is connected with an internal thread in a meshing manner, and the internal thread is arranged inside the inner pipe.

The utility model has the beneficial effects that: compared with the prior art, the method has the advantages that,

1) according to the utility model, the connecting pipe is arranged at the right end of the blowout preventing hole device body, the inner pipe is connected with the inner pipe through the bearing in the connecting pipe, and the drill rod penetrates through the inner pipe, so that the blowout preventing hole device body is hung on the drill rod, the drill rod and the blowout preventing hole device body cannot generate collision and friction, and unnecessary loss caused by using the blowout preventing hole device is avoided;

2) according to the utility model, the fixing mechanism is arranged on the outer side of the connecting pipe, the connecting pipe is clamped and fixed by the first clamping plate and the second clamping plate, so that the drill rod is fixed, and the inner pipe and the drill rod form a whole by the matching of the fastening pipe and the bump, so that the shaking of the drill rod is reduced, and the collision between the drill rod and the blowout-preventing hole device body is further reduced;

3) according to the utility model, the fastening pipe is inserted into the inner pipe, and the external thread on the outer side of the fastening pipe is meshed with the internal thread in the inner pipe, so that the fastening pipe moves leftwards until completely entering the inner pipe, and the installation is convenient;

4) according to the utility model, the butt joint grooves and the butt joint blocks are arranged on the first lug plate and the second lug plate, the first clamping plate and the second clamping plate move in the same direction, and the butt joint blocks are in butt joint with the butt joint grooves, so that the first clamping plate and the second clamping plate are convenient to align, and the alignment is more convenient.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the mounting mechanism of the present invention;

FIG. 3 is a schematic view of the securing mechanism of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments:

example (b): referring to fig. 1 to 4, an orifice anti-orifice device includes: an orifice prevention device body 1; further comprising: the mounting mechanism 3 is rotatably connected to the right end of the anti-spraying hole device body 1; a fixing mechanism 2; the fixing mechanism 2 is arranged on the outer surface of the mounting mechanism 3; and a fastening mechanism 4, wherein the fastening mechanism 4 is arranged inside the mounting mechanism 3.

Referring to fig. 2, the mounting mechanism 3 includes a connecting pipe 301, the connecting pipe 301 is rotatably connected to the right end of the spray hole prevention device body 1, the inside fixedly connected with bearing 303 of the connecting pipe 301, the inside fixedly connected with inner pipe 302 of the bearing 303, the bearing 303 is provided with two, the left and right sides of the inner pipe 302 are respectively arranged, the bending strength of the connecting pipe 301 is increased, both ends of the inner pipe 302 are provided with a baffle 304, the outer surface of the baffle 304 is attached to the inner surface of the connecting pipe 301, the baffle 304 seals the space between the connecting pipe 301 and the inner pipe 302, and further protects the bearing 303.

Referring to fig. 4, the fixing mechanism 2 includes a first clamping plate 201, a second clamping plate 202 is disposed at one end of the first clamping plate 201, inner surfaces of the first clamping plate 201 and the second clamping plate 202 are roughened to increase a friction coefficient, so as to better clamp a connecting pipe 301, a driving structure is connected to outer sides of the first clamping plate 201 and the second clamping plate 202, the first clamping plate 201 and the second clamping plate 202 can automatically clamp the connecting pipe 301, the first clamping plate 201 and the second clamping plate 202 are disposed on an outer surface of the connecting pipe 301, a first ear plate 203 is fixedly connected to upper and lower ends of the first clamping plate 201, a second ear plate 204 is fixedly connected to upper and lower ends of the second clamping plate 202, a docking slot 205 is disposed at one side of the first ear plate 203 facing the second ear plate 204, a docking block 206 is disposed at one side of the second ear plate 204 facing the first ear plate 203, the docking block 206 corresponds to the docking slot 205, and the docking slot 205 is of an outward-expanding type, facilitating insertion of the docking block 206 into the docking slot 205.

Referring to fig. 2 and 4, the fastening mechanism 4 includes a fastening tube 401 and a convex block 402, the fastening tube 401 is divided into a left part and a right part, the left part is made of soft material and can be deformed, the right part is made of steel, the fastening tube 401 is disposed inside the inner tube 302, the right end of the fastening tube 401 is provided with a regular hexagonal convex block, the middle part of the regular hexagonal convex block is provided with a through hole communicated with the fastening tube 401, the arrangement of the regular hexagonal convex block is convenient for a wrench to rotate the fastening tube 401, so that the operation is more labor-saving, the convex block 402 is disposed inside the inner tube 302, the convex block 402 is hemispherical, the hemispherical convex block 402 has smoother transition all around, so that the fastening tube 401 can better pass through, the thickness of the opposite part of the fastening tube 401 and the convex block 402 is thicker, so that the clamping force of the fastening tube 401 to a drill rod can be increased, the connection is more stable, the outer surface of the fastening tube 401 is provided with an external thread 404, the external thread 404 has an external surface to which the internal thread 403 is engaged, and the internal thread 403 is provided inside the inner tube 302.

The working principle is as follows: the anti-spraying hole device body 1 is sleeved on the outer side of a drill rod, namely an inner pipe 302 is also sleeved on the outer side of the drill rod, a fastening pipe 401 is sleeved on the outer side of the drill rod, the fastening pipe 401 is inserted between the drill rod and the inner pipe 302, when an inner thread 403 meets an outer thread 404, the fastening pipe 401 is rotated, the fastening pipe 401 moves towards the inner part of the inner pipe 302 under the action of the inner thread 403 and the outer thread 404, the fastening pipe 401 passes through a lug 402, the thickness of the fastening pipe 401 is larger than the distance between the lug 402 and the drill rod, the fastening pipe 401 deforms, the fastening pipe 401 clamps the drill rod after deformation, the inner pipe 302 and the drill rod are fixed, a first clamping plate 201 and a second clamping plate 202 move towards each other, the connecting pipe 301 is clamped from two sides, a butt joint groove 205 on the first lug plate 203 is in butt joint with a butt joint block 206 on the second lug plate 204 until the butt joint block 206 is embedded into the butt joint groove 205, at the moment, the first clamping plate 201 and the second clamping plate 202 are closed to clamp the connecting pipe 301, the drill rod is rotated during working, the drill rod is fixed through the fastening pipe 401, the inner pipe 302, the connecting pipe 301, the first clamping plate 201 and the second clamping plate 202, normal actions of the drill rod cannot be influenced under the action of the bearing 303, and unnecessary loss caused by the use of the anti-spraying hole device is avoided.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. An orifice anti-orifice device comprising:

an orifice prevention device body (1);

it is characterized by also comprising:

the mounting mechanism (3), the mounting mechanism (3) is rotatably connected to the right end of the orifice-preventing device body (1);

a fixing mechanism (2); the fixing mechanism (2) is arranged on the outer surface of the mounting mechanism (3);

a fastening mechanism (4), the fastening mechanism (4) being arranged inside the mounting mechanism (3).

2. The orifice spray hole prevention device as claimed in claim 1, wherein said mounting mechanism (3) comprises a connecting pipe (301), said connecting pipe (301) is rotatably connected to the right end of the spray hole prevention device body (1), a bearing (303) is fixedly connected to the inside of said connecting pipe (301), and an inner pipe (302) is fixedly connected to the inside of said bearing (303).

3. The orifice jet-preventing hole device as claimed in claim 2, wherein the inner tube (302) is provided with baffles (304) at both left and right ends, and the outer surface of the baffles (304) is attached to the inner surface of the connecting tube (301).

4. The orifice jet-preventing hole device as claimed in claim 1, wherein the fixing mechanism (2) comprises a first clamping plate (201), a second clamping plate (202) is arranged at one end of the first clamping plate (201), and the first clamping plate (201) and the second clamping plate (202) are both arranged on the outer surface of the connecting pipe (301).

5. The orifice jet preventing device as claimed in claim 4, wherein a first ear plate (203) is fixedly connected to both upper and lower ends of the first clamping plate (201), and a second ear plate (204) is fixedly connected to both upper and lower ends of the second clamping plate (202).

6. The orifice jet guard of claim 5, wherein a side of the first ear plate (203) facing the second ear plate (204) is provided with a docking slot (205), a side of the second ear plate (204) facing the first ear plate (203) is provided with a docking block (206), and the docking block (206) corresponds to the docking slot (205).

7. The orifice anti-orifice device of claim 1, wherein the fastening mechanism (4) comprises a fastening tube (401), a tab (402), the fastening tube (401) being disposed inside the inner tube (302), the tab (402) being disposed inside the inner tube (302).

8. An orifice anti-orifice device as claimed in claim 6, wherein the outer surface of the fastening tube (401) is provided with an external thread (404), the outer surface of the external thread (404) is engaged with an internal thread (403), and the internal thread (403) is arranged inside the inner tube (302).