CN2702057Y

CN2702057Y - Mine gas exhaust device

Info

Publication number: CN2702057Y
Application number: CN 200420041266
Authority: CN
Inventors: 姚发芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-11
Filing date: 2004-06-11
Publication date: 2005-05-25
Anticipated expiration: 2014-06-11

Abstract

The utility model provides a mine gas exhaust device. The mine gas exhaust device is composed of a motor, a gearbox, a conveyor belt, fly wheels, a bent axle, a cylinder body, a linking rod, a piston component, a main gas pipe, a gas entering nozzle, and a gas entering control valve. The power output axle of the motor is connected with the power input end of the gearbox. The power output end of the gearbox is provided with a belt wheel and is connected with a belt wheel arranged on the bent axle between the two fly wheels by the conveyor belt. The bent axle is connected with the piston component arranged inside the cylinder body by the linking rod. One end of the cylinder body is opened, the other end of the cylinder body is sealed, and the sealed end of the cylinder body makes the inner cavity of the cylinder body and one end of the main gas pipe communicated by a sub-gas pipe. The gas entering nozzle and the gas entering control valve used for controlling the gas entering nozzle are arranged on the main gas pipe in definite spacing. The other end of the main gas pipe is connected with a water conservancy coal mining apparatus. The mine gas exhaust device can fundamentally solve the problem of gas explosion, and makes the gas generated when the mine workers mine for coal discharged to the exterior of a mine timely and effectively, and the life and property safety of people is effectively protected.

Description

The mine gas gas discharging apparatus

Affiliated technical field

The utility model relates to a kind of hazardous gas tapping equipment, specifically a kind of mine gas gas discharging apparatus.

Background technology

Mine gas gas is more common in underground coal mine, be a kind of inflammable and explosive property gas of natural formation, its main component is methane (CH4), this gas concentration runs into the spark phenomenon of can blasting when reaching certain value, thereby the gas explosion phenomenon of colliery in recovery process appears often, give people the safety of life and property band very big hidden danger.

Underground safety of coal mines is exploited the increase of attention degree along with country and society, people explore and have worked out a variety of safety precautions equipment and rescue method in practice, but still can not fundamentally solve the explosion phenomenon of methane gas, its main cause is that in a single day methane gas is found, blast is the thing of moment, also be not able to do in time effectively to prevent, blast produces; Mend the fold after the sheep is lost especially as for the rescue after the blast, still can not fundamentally solve people's life and property safety.

Summary of the invention

The purpose of this utility model provide a kind of reasonable in design, simple in structure, can fundamentally stop the mine gas gas discharging apparatus of methane gas explosion accident.

The technical scheme that its technical problem that solves the utility model adopts is: this mine gas gas discharging apparatus, by motor, gearbox, belt pulley, conveyer belt, flywheel, bent axle, cylinder block, connecting rod, piston component, gas-distributing pipe, main tracheae, the annular admission pipe, suction nozzle and air intake control valve constitute, the power output shaft of motor and the power intake of gearbox join, the clutch end of gearbox is provided with belt pulley, join by conveyer belt on the belt pulley and the belt pulley that is arranged on the bent axle between two flywheels, thereby for flywheel and bent axle provide operation power, the concavo-convex position of bent axle joins by connecting rod and the piston component that is arranged in the cylinder block respectively, bent axle rotates drivening rod and moves back and forth, thereby the drive piston component is done in cylinder block and is moved back and forth, one end opening of cylinder block is in order to emission gases, the other end sealing of cylinder, and be provided with gas-distributing pipe and the one-way control valve that communicates with the inner chamber of cylinder block at the sealing end, two gas-distributing pipes all join with the same end of main tracheae, under the effect of one-way control valve, gas can only enter then from the sealed end of cylinder block and discharge from openend, the tube wall of main tracheae is provided with suction nozzle and is used to control the air intake control valve of suction nozzle air inlet, on the suction nozzle of workspace that mines for coal, also be provided with annular admission pipe, have suction hole on the tube wall of annular admission pipe, except annular admission pipe, at the bronchus that also is provided with on the main tracheae can be many people duty together time the, sharp coal mining apparatus of the other end water receiving of main tracheae such as hydraulic giant etc.

Mine gas gas discharging apparatus of the present utility model compared with prior art; the effect of having a mind to that is produced is; can fundamentally solve the blast problem of methane gas; the methane gas that the mine workman is produced in process of coal mining is discharged into the mine outside timely and effectively, has protected people's life and property safety effectively.

Description of drawings

Accompanying drawing 1 is the structural representation of mine gas gas discharging apparatus;

Accompanying drawing 2 is the structure for amplifying schematic diagram at A place among Fig. 1.

Among the figure, 1-motor, 2-gearbox, 3-belt pulley, 4-conveyer belt, the 5-flywheel, 6-bent axle, 7-cylinder block, 8-connecting rod, the 9-piston component, 10-gas-distributing pipe, 11-master's tracheae, 12-annular admission pipe, the 13-suction nozzle, 14-air intake control valve, 15-one-way control valve, 16-water conservancy coal mining apparatus, the 17-piston body, 18-admission valve, 19-O shape packing ring, 20-pressure ring, the 21-coupling bar, 22-air inlet, 23-bronchus, 24-suction hole.

The specific embodiment

Below in conjunction with explaining below 1,2 pairs of mine gas gas discharging apparatus works of the present utility model of accompanying drawing.

As accompanying drawing 1, shown in 2, mine gas gas discharging apparatus of the present utility model, its structure is by motor 1, gearbox 2, belt pulley 3, conveyer belt 4, flywheel 5, bent axle 6, cylinder block 7, connecting rod 8, piston component 9, gas-distributing pipe 10, main tracheae 11, annular admission pipe 12, suction nozzle 13 and air intake control valve 14 constitute, the power intake of the power output shaft of motor 1 and gearbox 2 joins, the clutch end of gearbox 2 is provided with belt pulley 3 and joins by conveyer belt 4 and the belt pulley that is arranged on the bent axle 6 of 5 on two flywheels, bent axle 6 joins by connecting rod 8 and the piston component 9 that is arranged in the cylinder block 7, the left end opening of cylinder block 7, the right-hand member sealing, sealed end makes the inner chamber of cylinder block 7 communicate with an end of main tracheae 11 and is controlled by the one-way control valve 15 that is arranged on sealed end by gas-distributing pipe 10, on main tracheae 11, be provided with the air intake control valve 14 that suction nozzle 13 reaches in order to control suction nozzle 13 with a determining deviation, also be provided with annular admission pipe 12 on the suction nozzle 13 of the workspace that mines for coal, the other end of main tracheae 11 and water conservancy coal mining apparatus 16 join.

Piston component 9 is to be made of piston body 17, admission valve 18, O-ring gasket 19, pressure ring 20 and coupling bar 21, have air inlet 22 on the piston body 17, the right part of coupling bar 21 and admission valve 18 join, the left part of coupling bar 21 is passed air inlet 22 and is joined with O-ring gasket 19 and pressure ring 20 successively, and the distance between admission valve 18 and the O-ring gasket 19 is greater than the thickness of piston body 17.

Position near water conservancy coal mining apparatus 16 on the main tracheae 11 also is provided with bronchus 23.

Have suction hole 24 on the tube wall of annular admission pipe 12.

Mine gas gas discharging apparatus of the present utility model, its operating principle is as follows:

Machine operation, give flywheel and bent axle through conveyer belt with transmission of power, crankshaft rotating, drivening rod moves back and forth, and makes the alternately acting of piston component in two cylinder block, promptly when one of them piston component during to left movement, another piston component moves right, as shown in Figure 1, 2, to the piston component acting of left movement, gas and dust etc. are discharged from the openend of cylinder block; Simultaneously, gas and dust etc. are drawn into the piston component right side of cylinder block from main tracheae, gas-distributing pipe, at this moment, one-way control valve in opened condition; The piston component that moves right is transferred to the piston component left side of cylinder block with gas and dust etc. by the piston component right side of cylinder block, and this moment, one-way control valve was closed condition; Main endotracheal gas and dust etc. enter through suction nozzle, annular admission pipe and bronchus, air intake control valve on the suction nozzle is in order to the open and-shut mode of control suction nozzle, by measuring the environmental gas concentration of workspace, the open and-shut mode of decision air intake control valve, the annular admission pipe abuts against on the borehole wall of mine, have suction hole on it, methane gas is drawn among the main tracheae at any time; If many people operation simultaneously can be told a lot of bronchuses from main tracheae.

Its processing and fabricating of mine gas gas discharging apparatus of the present utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.Motor, gearbox, flywheel, bent axle and water conservancy coal mining apparatus are the electronic product of prior art, and miscellaneous part can be used the process for machining manufacturing of prior art.

Except that the described technical characterictic of manual, be the known technology of those skilled in the art.

Claims

1, the mine gas gas discharging apparatus, it is characterized in that, this device is by motor, gearbox, belt pulley, conveyer belt, flywheel, bent axle, cylinder block, connecting rod, piston component, gas-distributing pipe, main tracheae, the annular admission pipe, suction nozzle and air intake control valve constitute, the power output shaft of motor and the power intake of gearbox join, the clutch end of gearbox is provided with belt pulley and joins by conveyer belt and the belt pulley that is arranged on the bent axle between two flywheels, bent axle joins by connecting rod and the piston component that is arranged in the cylinder block, one end opening of cylinder block, other end sealing, sealed end makes the inner chamber of cylinder block communicate with an end of main tracheae and is controlled by the one-way control valve that is arranged on sealed end by gas-distributing pipe, being provided with suction nozzle with a determining deviation on main tracheae reaches in order to control the air intake control valve of suction nozzle, also be provided with annular admission pipe on the suction nozzle of workspace that mines for coal, the other end of main tracheae and water conservancy coal mining apparatus join.

2, mine gas gas discharging apparatus according to claim 1, it is characterized in that piston component is to be made of piston body, admission valve, O-ring gasket, pressure ring and coupling bar, have air inlet on the piston body, the right part and the admission valve of coupling bar join, the left part of coupling bar is passed air inlet and is joined with O-ring gasket and pressure ring successively, and the distance between admission valve and the O-ring gasket is greater than the thickness of piston body.

3, mine gas gas discharging apparatus according to claim 1 is characterized in that the position near water conservancy coal mining apparatus also is provided with bronchus on the main tracheae.

4, mine gas gas discharging apparatus according to claim 1 is characterized in that having suction hole on the tube wall of annular admission pipe.