CN211230906U

CN211230906U - Anti-blocking ventilation device for coal mine

Info

Publication number: CN211230906U
Application number: CN201922181739.8U
Authority: CN
Inventors: 曹英华; 李海珍; 张立轩; 卢健; 李新华
Original assignee: Jiangsu Shineng Industrial Technology Co ltd
Current assignee: Jiangsu Shineng Industrial Technology Co ltd
Priority date: 2019-12-07
Filing date: 2019-12-07
Publication date: 2020-08-11
Anticipated expiration: 2029-12-07

Abstract

The utility model discloses a prevent ventilation unit for colliery of jam, including chassis and fastening groove, the shell is installed at the chassis top, wherein, the shell is inside to be fixed with the motor through the dead lever, the flabellum is installed to the motor output, the flabellum side the inside protection frame that is fixed with of shell, the mouth of pipe is installed to shell outside one end, the mouth of pipe sets up in bellows one end, the bellows other end is provided with the vent, the inside dust screen that is fixed with of vent, the fastening groove sets up in the shell outside, fastening inslot portion installs the anchorage and ties, the anchorage sets up inside the through-hole, the through-hole sets up in the mouth of pipe side, the mouth of pipe outside is fixed with the mounting plate, the mounting plate passes through the fastening hole and installs the anchorage outside. This ventilation unit for coal mine that prevents blockking up is at the in-process that carries out suction ventilation, is provided with the dust screen in the vent inside, and reducible dust inhales, prevents the inside jam of device.

Description

Anti-blocking ventilation device for coal mine

Technical Field

The utility model relates to a colliery ventilation technical field specifically is a prevent ventilation unit for colliery of jam.

Background

The ventilation device for the coal mine is expected to improve the convenience of the ventilation device for the coal mine through continuous research and improvement on the ventilation device for the coal mine, provide more help when the ventilation device is used, improve the working efficiency of people and reduce the working time.

Although the types of the existing ventilation devices for coal mines are different, the existing ventilation devices for coal mines cannot effectively prevent the ventilation pipe from being blocked when ventilation is carried out, and the ventilation pipe cannot be conveniently and quickly detached to be cleaned, so the existing ventilation devices for coal mines need to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent ventilation unit for coal mine of jam to solve the ventilation unit for coal mine on the existing market that above-mentioned background art provided and when ventilating, can not effectually prevent the ventilation pipe jam, also inconvenient quick pull down the ventilation pipe in addition and carry out the problem of clearing up.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-clogging ventilation device for coal mines comprises a bottom frame and a fastening groove, wherein the top of the bottom frame is provided with a shell, wherein,

a motor is fixed in the shell through a fixed rod, a fan blade is installed at the output end of the motor, a protective frame is fixed in the shell on the side face of the fan blade, a pipe orifice is installed at one end of the outer side of the shell, the pipe orifice is arranged at one end of a corrugated pipe, a ventilation opening is formed in the other end of the corrugated pipe, and a dust screen is fixed in the ventilation opening;

the fastening groove is formed in the outer side of the shell, a fastening bolt is arranged in the fastening groove, the fastening bolt is arranged in the through hole, the through hole is formed in the side face of the pipe orifice, a fastening plate is fixed to the outer side of the pipe orifice, the fastening plate is arranged on the outer side of the fastening bolt through the fastening hole, and a fastening knob is fixed to the top of the fastening bolt.

Preferably, the housing is of a hollow cylinder structure, the motor is fixed to the center inside the housing through a fixing rod, and the protection frame is arranged at one end, close to the fan blades, inside the housing.

Preferably, the fastening grooves are provided in two numbers, the two fastening grooves are symmetrically arranged on two sides of the outer portion of the housing, and the fastening bolt and the fastening grooves form a threaded engagement structure.

Preferably, the fastening bolts are provided with two fastening bolts, the two fastening bolts are symmetrically fixed at the bottom of the fastening knob, and the cross sections of the two fastening bolts form a circular structure.

Preferably, the number of the through holes is two, the two through holes and the fastening groove are correspondingly arranged on the outer side of the pipe orifice, and the inner diameter of each through hole is matched with that of each fastening hole.

Preferably, the inner diameter of the fastening hole is larger than that of the fastening groove, the fastening plate passes through the fastening hole and the fastening bolt to form a rotating structure, and the cross section of the fastening plate is of an arc structure.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) before the anti-blocking ventilation device for the coal mine is used, the fastening plate is arranged on the outer side of the fastening bolt through the fastening hole, then the fastening bolt is arranged in the fastening groove through the through hole in the side face of the pipe orifice, and then the fastening knob is used for rotating the fastening bolt so that the fastening bolt is screwed in the fastening groove, the pipe orifice can be clamped on the outer side of the shell through the fastening plate, and the ventilation pipe can be installed;

(2) in the process of suction and ventilation of the anti-blocking ventilation device for the coal mine, due to the fact that ore dust is contained in a mine, a large amount of dust can be sucked into the ventilation pipe by long-time suction, and finally the inside of the ventilation pipe is blocked, so that the use is influenced, a dust screen is arranged in the ventilation opening, so that the dust suction can be reduced to a certain extent, and the inside of the ventilation pipe is prevented from being blocked;

(3) this prevent colliery ventilation unit of jam is after long-time use, if need clear up the ventilation pipe is inside, then we rotate the fastening knob in the shell outside for the fastening is tied and is taken out from the inside rotation of fastening groove, can take off fastening bolt and mounting plate from the mouth of pipe outside from this, can take off the mouth of pipe from the shell outside, clears up the ventilation pipe is inside.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: 1. a chassis; 2. a housing; 3. fixing the rod; 4. a motor; 5. a fan blade; 6. a protective frame; 7. a pipe orifice; 8. a vent pipe; 9. a vent; 10. a dust screen; 11. a fastening groove; 12. fastening bolts; 13. a through hole; 14. a fastening plate; 15. a fastening hole; 16. and (5) fastening a knob.

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: an anti-blocking ventilation device for a coal mine comprises an underframe 1, a shell 2, a fixed rod 3, a motor 4, fan blades 5, a protective frame 6, a pipe orifice 7, a ventilation pipe 8, a ventilation opening 9, a dust screen 10, a fastening groove 11, a fastening bolt 12, a through hole 13, a fastening plate 14, a fastening hole 15 and a fastening knob 16, wherein the shell 2 is installed at the top of the underframe 1,

a motor 4 is fixed inside the shell 2 through a fixing rod 3, the shell 2 is arranged to be of a hollow cylinder structure, the motor 4 is fixed at the central position inside the shell 2 through the fixing rod 3, the protection frame 6 is arranged at one end, close to the fan blade 5, inside the shell 2, when the mine ventilation device is used, the fan blade 5 is driven to rotate through the motor 4, air inside a mine is sucked out through a ventilation opening 9 at the other end of a ventilation pipe 8, harmful gas is discharged, the fan blade 5 is installed at the output end of the motor 4, the protection frame 6 is fixed inside the shell 2 on the side face of the fan blade 5, a pipe orifice 7 is installed at one end of the outer side of the shell 2, the pipe orifice 7 is arranged at one end of a corrugated pipe 8, the ventilation opening 9 is arranged at the other;

the fastening grooves 11 are formed in the outer side of the shell 2, the fastening grooves 11 are provided with two fastening grooves 11, the two fastening grooves 11 are symmetrically arranged on two sides of the outer side of the shell 2, the fastening bolts 12 and the fastening grooves 11 form a thread meshing structure, after long-time use, if the inside of the ventilation pipe 8 needs to be cleaned, the fastening knobs 16 on the outer side of the shell 2 are rotated, so that the fastening bolts 12 are rotatably taken out from the inside of the fastening grooves 11, the fastening bolts 12 and the fastening plates 14 can be taken out from the outer side of the pipe orifice 7, the pipe orifice 7 can be taken out from the outer side of the shell 2, the inside of the ventilation pipe 8 can be cleaned conveniently and conveniently, the fastening bolts 12 are arranged in the fastening grooves 11, the fastening bolts 12 are provided with two, the two fastening bolts 12 are symmetrically fixed at the bottoms of the fastening knobs 16, and the cross sections of the two fastening bolts 12 form a circular, after a long time of use, if the inside of the ventilation pipe 8 needs to be cleaned, the fastening knob 16 on the outer side of the shell 2 is rotated, so that the fastening bolt 12 is rotated and taken out from the inside of the fastening groove 11, thereby the fastening bolt 12 and the fastening plate 14 can be taken out from the outer side of the pipe orifice 7, namely the pipe orifice 7 can be taken out from the outer side of the shell 2, the fastening bolt 12 is arranged inside the through hole 13, the through hole 13 is arranged on the side surface of the pipe orifice 7, the through hole 13 is provided with two, the through hole 13 and the fastening groove 11 are correspondingly arranged on the outer side of the pipe orifice 7, the inner diameter of the through hole 13 is matched with the inner diameter of the fastening hole 15, before the use, the fastening plate 14 is arranged on the outer side of the fastening bolt 12 through the through hole 15, then the fastening bolt 12 is arranged inside the fastening groove 11 through the through hole, the fastening bolt 12 is screwed in the fastening groove 11, namely, the pipe orifice 7 can be clamped outside the shell 2 through the fastening plate 14, the fastening plate 14 is fixed outside the pipe orifice 7, the fastening plate 14 is installed outside the fastening bolt 12 through the fastening hole 15, the inner diameter of the fastening hole 15 is larger than that of the fastening groove 11, the fastening plate 14 forms a rotating structure through the fastening hole 15 and the fastening bolt 12, the cross section of the fastening plate 14 is in an arc structure, before the use, the fastening plate 14 is installed outside the fastening bolt 12 through the fastening hole 15, then, the fastening bolt 12 is installed inside the fastening groove 11 through the through hole 13 on the side surface of the pipe orifice 7, then, the fastening knob 16 rotates the fastening bolt 12, so that the fastening bolt 12 is screwed in the fastening groove 11, namely, the pipe orifice 7 can be clamped outside the shell 2 through the fastening plate 14, and the ventilation pipe 8 can be installed, a fastening knob 16 is fixed on the top of the fastening bolt 12.

The working principle is as follows: when the anti-blocking ventilation device for the coal mine is used, firstly, the device is moved to a ventilation area of a mine, the device is fixed in an operation area through the underframe 1, then the ventilation pipe 8 is installed on the outer side of the shell 2, the pipe orifice 7 at one end of the ventilation pipe 8 is installed on the outer side of one end of the shell 2, then the fastening plate 14 is installed on the outer side of the fastening bolt 12 through the fastening hole 15, then the fastening bolt 12 is installed in the fastening groove 11 through the through hole 13 on the side surface of the pipe orifice 7, then the fastening bolt 12 is rotated through the fastening knob 16, so that the fastening bolt 12 is screwed in the fastening groove 11, the pipe orifice 7 is clamped on the outer side of the shell 2 through the fastening plate 14, the ventilation pipe 8 can be installed, the ventilation operation can be carried out, then, the device is opened, the fan blades 5 are driven to rotate through the motor 4, and then air in, in the process of suction ventilation, because ore dust is contained in a mine, a large amount of dust can be sucked into the ventilation pipe 8 by long-time suction, and finally the inside of the device is blocked, so that the use is influenced, the dust screen 10 is arranged in the ventilation opening 9, so that the dust suction can be reduced to a certain extent, the blocking in the device is prevented, after long-time use, if the inside of the ventilation pipe 8 needs to be cleaned, the fastening knob 16 on the outer side of the shell 2 is rotated, the fastening bolt 12 is rotated and taken out from the inside of the fastening groove 11, the fastening bolt 12 and the fastening plate 14 can be taken off from the outer side of the pipe orifice 7, the pipe orifice 7 can be taken off from the outer side of the shell 2, and the inside of the ventilation pipe 8 can be cleaned, and the content which is not described in detail in the description belongs to the prior art known by technicians in.

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 prevent colliery ventilation unit of jam, includes chassis (1) and fastening groove (11), its characterized in that: the top of the chassis (1) is provided with a shell (2), wherein,

a motor (4) is fixed inside the shell (2) through a fixing rod (3), a fan blade (5) is installed at the output end of the motor (4), a protective frame (6) is fixed inside the shell (2) on the side surface of the fan blade (5), a pipe orifice (7) is installed at one end of the outer side of the shell (2), the pipe orifice (7) is arranged at one end of a corrugated pipe (8), a vent (9) is arranged at the other end of the corrugated pipe (8), and a dust screen (10) is fixed inside the vent (9);

fastening groove (11) set up in shell (2) outside, fastening groove (11) internally mounted has fastening bolt (12), fastening bolt (12) set up inside through-hole (13), through-hole (13) set up in mouth of pipe (7) side, mouth of pipe (7) outside is fixed with mounting plate (14), mounting plate (14) are installed through fastening hole (15) fastening bolt (12) outside, fastening bolt (12) top is fixed with fastening knob (16).

2. The anti-clogging ventilation device for a coal mine according to claim 1, wherein: the shell (2) is of a hollow cylinder structure, the motor (4) is fixed to the center inside the shell (2) through the fixing rod (3), and the protection frame (6) is arranged at one end, close to the fan blades (5), inside the shell (2).

3. The anti-clogging ventilation device for a coal mine according to claim 1, wherein: the fastening grooves (11) are arranged in two, the two fastening grooves (11) are symmetrically arranged on two sides of the outer portion of the shell (2), and the fastening bolt (12) and the fastening grooves (11) form a threaded engagement structure.

4. The anti-clogging ventilation device for a coal mine according to claim 1, wherein: the two fastening bolts (12) are symmetrically fixed at the bottom of the fastening knob (16), and the cross sections of the two fastening bolts (12) form a circular structure.

5. The anti-clogging ventilation device for a coal mine according to claim 1, wherein: the number of the through holes (13) is two, the two through holes (13) and the fastening groove (11) are correspondingly arranged on the outer side of the pipe orifice (7), and the inner diameter of each through hole (13) is matched with that of the fastening hole (15).

6. The anti-clogging ventilation device for a coal mine according to claim 1, wherein: the inner diameter of the fastening hole (15) is larger than that of the fastening groove (11), the fastening plate (14) passes through the fastening hole (15) and the fastening bolt (12) to form a rotating structure, and the cross section of the fastening plate (14) is of an arc structure.