CN211008762U

CN211008762U - CO alarm device for coal mining roadway

Info

Publication number: CN211008762U
Application number: CN201921948390.XU
Authority: CN
Inventors: 徐志远; 杨强; 王朋
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-14
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a coal mining is CO alarm device for tunnel, include: air-collecting cover, braced frame, mounting panel, carbon monoxide sensor, fan, wind channel, fan driver, display screen, alarm lamp and coupling assembling, braced frame installs on the air-collecting cover, and is located air-collecting cover bottom middle part, alarm fixed mounting is in air-collecting cover bottom, and is located air-collecting cover one side, alarm lamp fixed mounting is in air-collecting cover bottom, and is located the air-collecting cover opposite side, mounting panel fixed mounting is on braced frame, and is located the braced frame bottom, the utility model relates to a mine safety equipment technical field, the device reasonable in design, simple structure, the simple operation of being convenient for of use detects the carbon monoxide in the tunnel through carbon monoxide sensor, through the fan driver, controls the fan, discharges harmful gas such as carbon monoxide in the tunnel.

Description

CO alarm device for coal mining roadway

Technical Field

The utility model relates to a mine safety equipment technical field specifically is a CO alarm device for coal mining tunnel.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine, when a coal seam is far away from the ground surface, coal is generally excavated to an underground excavation roadway, the mineworker coal mine is the mineworker coal mine, when the coal seam is very close to the ground surface, the direct stripping of a surface soil layer is generally selected to excavate the coal, the opencast coal mine is the opencast coal mine, most coal mines in China belong to the mineworker coal mine, the coal mine range comprises large areas of the ground, the underground and related facilities, and the coal mine is a reasonable space excavated by people when the coal-rich geological strata are excavated, and generally comprises a roadway, a well cave, an excavation face and the like.

In the existing coal mining process, a large amount of gas can be mined, wherein the gas contains toxic gases such as carbon monoxide and the like, blasting is mostly adopted for tunneling in the mining process, smoke dust also contains a large amount of harmful gases such as carbon monoxide and the like, and if the smoke dust can not be ventilated timely or the wind speed is too low, the concentration of the harmful gases such as carbon monoxide and the like can be accumulated to exceed the standard, so that the poisoning of personnel, fire and even explosion accidents occur, and the life safety of underground operation personnel is seriously threatened.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a CO alarm device for coal mining tunnel has solved current coal mining in-process and can has mined a large amount of gas, wherein contain toxic gas such as carbon monoxide in the gas, and adopt the blasting to tunnel mostly in mining process, contain harmful gas such as a large amount of carbon monoxide equally in the smoke and dust, if can not in time ventilate or the wind speed is low excessively, will make harmful gas concentration accumulations such as carbon monoxide exceed standard, thereby cause personnel's poisoning, the conflagration accident of exploding even takes place, seriously threatens the problem of operation personnel's life safety in the pit.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a CO alarm device for a coal mining roadway mainly comprises: the air-collecting cover comprises an air-collecting cover body, a supporting frame, a mounting plate, a carbon monoxide sensor, a fan, an air channel, a fan driver, a display screen, an alarm lamp and a connecting assembly, wherein the supporting frame is arranged on the air-collecting cover body and is positioned in the middle of the bottom end of the air-collecting cover body, the alarm is fixedly arranged at the bottom end of the air-collecting cover body and is positioned on one side of the air-collecting cover body, the alarm lamp is fixedly arranged at the bottom end of the air-collecting cover body and is positioned on the other side of the air-collecting cover body, the mounting plate is fixedly arranged on the supporting frame and is positioned at the bottom end of the supporting frame body, the carbon monoxide sensor is fixedly arranged at the bottom end, the fan driver is fixedly arranged at the bottom end of the mounting plate, the connecting assembly is fixedly arranged at the connecting position of the mounting plate and the supporting frame.

Preferably, the connection assembly includes: the bolt, the nut and a pair of gaskets with the same structure;

the bolt is inserted in the joint of the mounting plate and the support frame, the pair of gaskets are sleeved on the bolt, and the nut is sleeved on the bolt and is attached to the upper wall surfaces of the gaskets.

Preferably, fan and wind-collecting cover junction are equipped with connecting portion, connecting portion include: the connecting structure comprises a first connecting plate, a second connecting plate and a plurality of threaded components with the same structure;

the first connecting plate is fixedly installed at the top end of the air collecting cover, the second connecting plate is fixedly installed at the bottom end of the fan and attached to the upper wall surface of the first connecting plate, and the threaded assemblies are inserted in the joints of the first connecting plate and the second connecting plate.

Preferably, a protective cover is arranged at the bottom end of the supporting frame, the protective cover is fixedly installed at the bottom end of the supporting frame and sleeved on the installation plate, the protective cover is of a cylindrical cavity structure without an upper wall surface, and a plurality of ventilation holes with the same structure are formed in the protective cover.

Preferably, the bottom end of the air collecting cover is of a cylindrical cavity structure, the top end of the air collecting cover is provided with a transition groove, the top end of the transition groove is provided with a connector, and the connector is circular and matched with the fan.

Preferably, the dust cover is arranged at the bottom end of the air collecting cover, and the dust cover is fixedly installed at the bottom end of the air collecting cover and sleeved on the alarm.

Advantageous effects

The utility model provides a CO alarm device for coal mining tunnel possesses following beneficial effect: this coal mining is CO alarm device for tunnel reasonable in design, moreover, the steam generator is simple in structure, the operation is simple convenient for use method, detect the carbon monoxide in the tunnel through the carbon monoxide sensor, through the fan driver, the control fan, harmful gas such as carbon monoxide in the tunnel discharges, can exploit a large amount of gas among the current coal mining process, wherein contain toxic gas such as carbon monoxide in the gas, and adopt the blasting to tunnel mostly in the mining process, contain harmful gas such as a large amount of carbon monoxide equally in the smoke and dust, if can not in time ventilate or the wind speed is low excessively, will make harmful gas concentration accumulation such as carbon monoxide exceed standard, thereby cause personnel's poisoning, take place conflagration explosion accident even, seriously threaten the problem of borehole operation personnel's life safety.

Drawings

Fig. 1 is the utility model discloses a coal mining is CO alarm device's for tunnel main view structure sketch map.

Fig. 2 is the utility model discloses a coal mining is CO alarm device's for tunnel looks sideways at schematic structure.

Fig. 3 is a schematic top view of the CO alarm device for coal mining roadway according to the present invention.

Fig. 4 is the utility model discloses a coal mining is CO alarm device's for tunnel looks up the structure sketch map.

Fig. 5 is a schematic diagram of a partial enlarged structure of the CO alarm device for coal mining roadway shown in fig. 1 according to the present invention.

In the figure: 1. a wind collecting cover; 2. a support frame; 3. mounting a plate; 4. a carbon monoxide sensor; 5. a fan; 6. an air duct; 7. a fan driver; 8. a display screen; 9. an alarm; 10. an alarm lamp; 11. a bolt; 12. a nut; 13. a gasket; 14. a first connecting plate; 15. a second connecting plate; 16. a threaded assembly; 17. a protective cover; 18. a dust cover.

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.

All the electrical components in the present application are connected with the power supply adapted to the electrical components through a wire, and an appropriate controller and an appropriate encoder should be selected according to actual conditions to meet control requirements, and specific connection and control sequences should be obtained.

Example (b): the utility model provides a technical scheme: according to the attached figures 1-5 in the specification, the CO alarm device for the coal mining roadway mainly comprises: air-collecting cover 1, braced frame 2, mounting panel 3, carbon monoxide sensor 4, fan 5, wind channel 6, fan driver 7, display screen 8, alarm 9, alarm lamp 10 and coupling assembling, the relation of connection is as follows:

braced frame 2 installs on wind-collecting cover 1, and be located wind-collecting cover 1 bottom middle part, alarm 9 fixed mounting is in wind-collecting cover 1 bottom, and be located wind-collecting cover 1 one side, alarm lamp 10 fixed mounting is in wind-collecting cover 1 bottom, and be located wind-collecting cover 1 opposite side, mounting panel 3 fixed mounting is on braced frame 2, and be located braced frame 2 bottom, carbon monoxide sensor 4 fixed mounting is in the bottom, 7 fixed mounting of fan driver is in mounting panel 3 bottom, 5 fixed mounting of fan is on wind-collecting cover 1, and be located wind-collecting cover 1 top, wind channel 6 is located wind-collecting cover 1 top, 6 bottoms in wind channel and 5 top fixed connection of fan, 8 fixed mounting in mounting panel 3 bottoms in display screen, coupling assembling fixed mounting is in mounting panel 3 and braced.

According to the general conditions, when the device is used, the wind collecting cover 1 is installed at the top end of a roadway, carbon monoxide is collected into the wind collecting cover 1 through the wind collecting cover 1, the mounting plate 3 is supported through the supporting frame 2, the carbon monoxide sensor 4, the fan driver 7 and other electric devices are supported and fixed through the mounting plate 3, the connectivity between the supporting frame 2 and the mounting plate 3 is enhanced through the connecting assembly, the concentration of the carbon monoxide in the roadway is detected through the carbon monoxide sensor 4, when the carbon monoxide is detected, the fan driver 7 controls the fan 5 and starts the fan 5, harmful gases such as the carbon monoxide in the roadway are discharged through the rotation of the fan 5, the alarm 9 and the alarm lamp 10 are started simultaneously, underground workers are reminded through the alarm 9 and the alarm lamp 10, the concentration of the carbon monoxide in the air is displayed in real time through the display screen 8, the problem of can exploit a large amount of gas among the current coal mining process, wherein contain toxic gas such as carbon monoxide in the gas to adopt the blasting to tunnel mostly in the mining process, contain harmful gas such as a large amount of carbon monoxide in the smoke and dust equally, if can not in time ventilate or the wind speed is low excessively, will make harmful gas concentration accumulations such as carbon monoxide exceed standard, thereby cause personnel's poisoning, take place conflagration or even explosion accident, seriously threaten borehole operation personnel life safety is solved.

As preferred scheme, still further, fan 5 and wind-collecting cover 1 junction are equipped with connecting portion, and connecting portion include: the fan comprises a first connecting plate 14, a second connecting plate 15 and a plurality of threaded components 16 which are identical in structure, wherein the first connecting plate 14 is fixedly installed at the top end of the fan housing 1, the second connecting plate 15 is fixedly installed at the bottom end of the fan 5 and is attached to the upper wall surface of the first connecting plate 14, the threaded components 16 are inserted into the joint of the first connecting plate 14 and the second connecting plate 15, and when the fan is used, the connection between the fan 5 and the fan housing 1 is enhanced through the connecting parts.

As preferred scheme, further, braced frame 2 bottom is equipped with protection casing 17, and protection casing 17 fixed mounting is in braced frame 2 bottom, and the suit is on mounting panel 3, and protection casing 17 is the cylindric cavity structure of no upper wall face, has seted up the same ventilation hole of a plurality of structures on the protection casing 17, protects mounting panel 3 through protection casing 17.

Preferably, a dust cover 18 is arranged at the bottom end of the wind collecting cover 1, the dust cover 18 is fixedly mounted at the bottom end of the wind collecting cover 1 and sleeved on the alarm 9, and the alarm 9 is protected by the dust cover 18, so that the use of the alarm 9 is prevented from being influenced by dust.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," comprising, "or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus, and the phrase" comprising a.once.a.limited element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

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 CO alarm device for a coal mining roadway mainly comprises: the device comprises a wind collecting cover (1), a supporting frame (2), a mounting plate (3), a carbon monoxide sensor (4), a fan (5), an air duct (6), a fan driver (7), a display screen (8), an alarm (9), an alarm lamp (10) and a connecting assembly, and is characterized in that the supporting frame (2) is mounted on the wind collecting cover (1) and is positioned in the middle of the bottom end of the wind collecting cover (1), the alarm (9) is fixedly mounted at the bottom end of the wind collecting cover (1) and is positioned on one side of the wind collecting cover (1), the alarm lamp (10) is fixedly mounted at the bottom end of the wind collecting cover (1) and is positioned on the other side of the wind collecting cover (1), the mounting plate (3) is fixedly mounted on the supporting frame (2) and is positioned at the bottom end of the supporting frame (2), the carbon monoxide sensor (4) is fixedly mounted at the bottom end, the fan driver, fan (5) fixed mounting is on wind-collecting cover (1), and is located wind-collecting cover (1) top, wind channel (6) are located wind-collecting cover (1) top, wind channel (6) bottom and fan (5) top fixed connection, display screen (8) fixed mounting is in mounting panel (3) bottom, coupling assembling fixed mounting is in mounting panel (3) and braced frame (2) junction.

2. The CO warning device for the coal mining roadway according to claim 1, wherein the connecting assembly comprises: a bolt (11), a nut (12) and a pair of gaskets (13) with the same structure;

the bolt (11) is inserted in the joint of the mounting plate (3) and the supporting frame (2), the pair of gaskets (13) is sleeved on the bolt (11), and the nut (12) is sleeved on the bolt (11) and is attached to the upper wall surface of each gasket (13).

3. The CO warning device for the coal mining roadway according to claim 1, wherein a connecting portion is arranged at a joint of the fan (5) and the wind collecting cover (1), and the connecting portion comprises: the connecting structure comprises a first connecting plate (14), a second connecting plate (15) and a plurality of threaded assemblies (16) with the same structure;

the fan is characterized in that the first connecting plate (14) is fixedly installed at the top end of the fan cover (1), the second connecting plate (15) is fixedly installed at the bottom end of the fan (5) and attached to the upper wall surface of the first connecting plate (14), and the threaded assemblies (16) are inserted into the joints of the first connecting plate (14) and the second connecting plate (15).

4. The CO alarm device for the coal mining roadway according to claim 1, wherein a protective cover (17) is arranged at the bottom end of the supporting frame (2), the protective cover (17) is fixedly installed at the bottom end of the supporting frame (2) and sleeved on the installation plate (3), the protective cover (17) is of a cylindrical cavity structure without an upper wall surface, and a plurality of ventilation holes with the same structure are formed in the protective cover (17).

5. The CO alarm device for the coal mining roadway according to claim 1, wherein the bottom end of the wind collecting cover (1) is of a cylindrical cavity structure, the top end of the wind collecting cover (1) is provided with a transition groove, the top end of the transition groove is provided with a connecting port, and the connecting port is circular and matched with the fan (5).

6. The CO warning device for the coal mining roadway according to claim 1, wherein a dust cover (18) is arranged at the bottom end of the wind collecting cover (1), and the dust cover (18) is fixedly installed at the bottom end of the wind collecting cover (1) and sleeved on the alarm (9).