Ventilation equipment for coal mining roadway of coal mine

Abstract

The utility model relates to the technical field of coal mine safety devices, and discloses ventilation equipment for a coal mine coal mining roadway, which comprises a ventilation pipe, an outer air pipe and an inner air pipe, the breather pipe is connected between the outer air pipe and the inner air pipe, and the joint of the breather pipe and the outer air pipe and the joint of the breather pipe and the inner air pipe are fixedly connected with a sealing mounting seat; the top of the outer air pipe is fixedly connected with a waterproof cap, the bottom of the inner air pipe is fixedly connected with a mounting air hopper, and partition plates are fixedly connected into the breather pipe, the outer air pipe, the inner air pipe, the waterproof cap and the mounting air hopper. According to the utility model, one group of ventilation pipes is divided into two groups of air passages by the partition plate, one group of air passages are used for air intake, and the other group of air passages are used for air exhaust, so that synchronous air exchange is realized by only one group of ventilation pipes, and automatic oxygen supplementation is realized when oxygen in a roadway is insufficient by arranging the detection contact and the oxygen generating agent in the ventilation pipes; and the survival time of workers in the roadway is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mine safety device technical field, concretely is a kind of coal mine ventilation equipment for coal mining roadway. BACKGROUND

[0002] Coal mine is the area that human extracts coal resources in coal-rich mining area, generally divided into underground coal mine and open coal mine. When coal bed is far from ground surface, generally selects to excavate roadway in underground and excavates coal, and this is underground coal mine.

[0003] In the process of coal mining, a large amount of dust gathers in the inside of mine to cause damage to construction personnel, and harmful gas cannot be discharged in time due to poor air circulation, which is easy to cause construction danger. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of coal mine ventilation equipment for coal mining roadway to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A kind of coal mine ventilation equipment for coal mining roadway, including air pipe, outer wind pipe, inner wind pipe;

[0007] The air pipe is connected between outer wind pipe and inner wind pipe, and the connecting part of the air pipe, outer wind pipe and inner wind pipe is fixedly connected with sealing mounting seat;

[0008] The outer wind pipe top is fixedly connected with waterproof cap, and the inner wind pipe bottom is fixedly connected with installation gas bucket, the air pipe, outer wind pipe, inner wind pipe, waterproof cap and installation gas bucket are all fixedly connected with partition plate in, waterproof cap in one side of partition plate is provided with upwardly inclined air inlet, and waterproof cap in the other side of partition plate is provided with downwardly inclined air outlet;

[0009] The installation gas bucket forms two groups of air chambers under the separation of partition plate, and each is fixedly connected with a group of fixed mounting bracket in two groups of air chambers, and fixed mounting bracket is fixedly connected with motor on, and the output shaft of motor is fixedly connected with fan blade, the installation gas bucket both sides are provided with two groups of ventilation openings opposite, one group is air inlet, and one group is air outlet.

[0010] As a further scheme of the utility model: two groups of ventilation openings are provided with grid.

[0011] As a further scheme of the utility model: two groups of air chamber bottom are provided with threaded mounting seat, and threaded mounting seat is screw-connected with threaded mounting bracket, and threaded mounting bracket is fixedly connected with installation rod arranged in air chamber on, and detection contact is installed on installation rod.

[0012] As a further scheme of the present utility model: the installation rod is slidably connected with a sliding installation cylinder, and the sliding installation cylinder is internally provided with an oxygen generator, the oxygen generator is internally provided with air holes, and the reaction rate of the oxygen generator is controlled by the detection contact.

[0013] As a further scheme of the present utility model: the threaded mounting frame is fixedly connected with a knob at the bottom.

[0014] Compared with the prior art, the present utility model has the beneficial effects that: the present utility model first divides a group of ventilation pipes into two groups of air passages by the setting of the partition plate, one group of air passages inhales air, and the other group of air passages exhales air, thereby realizing synchronous air exchange by only one group of ventilation pipes, and when the oxygen in the roadway is insufficient, the automatic oxygen supplement is realized by the setting of the detection contact and the oxygen generator in the ventilation pipe, thereby prolonging the survival time of the workers in the roadway. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the ventilation equipment for the coal mining roadway in the present utility model.

[0016] Fig. 2 It is a structural schematic view of the ventilation pipe in the ventilation equipment for the coal mining roadway in the present utility model.

[0017] Fig. 3 It is a structural schematic view of the outer air pipe in the ventilation equipment for the coal mining roadway in the present utility model.

[0018] Fig. 4 It is a structural schematic view of the outer air pipe in the ventilation equipment for the coal mining roadway in the present utility model.

[0019] Fig. 5 It is a structural schematic view of the inner air pipe in the ventilation equipment for the coal mining roadway in the present utility model.

[0020] Fig. 6 It is a structural schematic view of the inner air pipe in the ventilation equipment for the coal mining roadway in the present utility model.

[0021] In the drawing: 1-ventilation pipe, 2-partition plate, 3-sealing mounting seat, 4-outer air pipe, 5-waterproof cap, 6-air inlet, 7-air outlet, 8-inner air pipe, 9-installation air scoop, 10-fixed mounting frame, 11-motor, 12-fan blade, 13-threaded mounting seat, 14-threaded mounting frame, 15-knob, 16-installation rod, 17-detection contact, 18-sliding installation cylinder, 19-oxygen generator, 20-air hole, 21-grid. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0023] Referring to Figs. 1-6 In the embodiments of the utility model, a ventilation equipment for coal mining roadway, including ventilation pipe 1, outer air pipe 4, inner air pipe 8,

[0024] Ventilation pipe 1 is connected between outer air pipe 4 and inner air pipe 8, and sealing mounting seat 3 is fixedly connected to the connection of ventilation pipe 1, outer air pipe 4 and inner air pipe 8.

[0025] Outer air pipe 4 top fixedly connected with waterproof cap 5, inner air pipe 8 bottom fixedly connected with installation air bucket 9, ventilation pipe 1, outer air pipe 4, inner air pipe 8, waterproof cap 5 and installation air bucket 9 are all fixedly connected with baffle 2, waterproof cap 5 in one side of baffle 2 is provided with upward inclined air inlet 6, waterproof cap 5 in the other side of baffle 2 is provided with downward inclined air outlet 7.

[0026] Installation air bucket 9 is divided into two groups of air cavities under the separation of baffle 2, and each group of air cavities is fixedly connected with a group of fixed mounting bracket 10, and electric motor 11 is fixedly connected to fixed mounting bracket 10, and fan blade 12 is fixedly connected to the output shaft of electric motor 11, and two groups of ventilation openings are arranged on the two sides of installation air bucket 9, one group is air inlet 6, and the other group is air outlet 7.

[0027] The utility model discloses a group of ventilation pipes is divided into two groups of air passages by the setting of baffle 2, one group of air passages is inhaled, and the other group of air passages is exhaled, so that only a group of ventilation pipes 1 can realize synchronous air exchange.

[0028] In the air exchange process, two groups of electric motors 11 drive two groups of fan blades 12 to rotate synchronously in the utility model, but the rotating directions of two groups of fan blades 12 are opposite, one group of fan blades 12 inhales the gas in the roadway into the air cavity, and the other group of fan blades 12 pumps the gas in the air cavity into the roadway, and then the gas realizes the mutual staggered arrangement of inhaling and discharging by sequentially passing through inner air pipe 8, ventilation pipe 1 and outer air pipe 4, realizes the circulation interaction of the roadway and the external air, and in the process, the external sundries are avoided from being inhaled, and the low turbidity gas is also avoided from being inhaled into the equipment, so that the ventilation effect of the equipment is improved.

[0029] In one case of the embodiment, please refer to Figs. 1-6Two groups of the air vent are provided with the grid 21, the grid 21 is arranged for protecting the air inlet 6 and the air outlet 7, so as to avoid sundries entering the air inlet 6 and the air outlet 7.

[0030] In one case of the embodiment, refer to Figs. 1-6 Two groups of the air cavity bottom are provided with the threaded mounting seat 13, the threaded mounting seat 13 is threadedly connected with the threaded mounting frame 14, the threaded mounting frame 14 is fixedly connected with the mounting rod 16 arranged in the air cavity, the mounting rod 16 is mounted with the detection contact 17, the mounting rod 16 is slidably connected with the sliding mounting cylinder 18, the sliding mounting cylinder 18 is mounted with the oxygen generator 19, the oxygen generator 19 is provided with the air hole 20, the reaction rate of the oxygen generator 19 is controlled by the detection contact 17, when the detection contact 17 detects that the oxygen content in the gas in the air outlet 7 or the air inlet 6 is too low, the detection contact 17 controls the oxygen generator 19 in the air outlet 7 to react and release oxygen, the oxygen is mixed with the gas in the air outlet 7, so as to improve the oxygen content in the gas in the air outlet 7, and then sufficient oxygen is pumped into the roadway.

[0031] In one case of the embodiment, refer to Figs. 1-6 The threaded mounting frame 14 is fixedly connected with the knob 15, the threaded mounting frame 14 is installed and taken out by the knob 15.

[0032] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model, therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, the scope of the utility model is defined by the appended claims instead of the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0033] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A ventilation device for a coal mine roadway, characterized by, Ventilation pipe, outer air pipe, inner air pipe; The ventilation pipe is connected between the outer air pipe and the inner air pipe, and a sealing mounting seat is fixedly connected to the connection position of the ventilation pipe with the outer air pipe and the inner air pipe; The top of the outer air pipe is fixedly connected with a waterproof cap, and the bottom of the inner air pipe is fixedly connected with a mounting air scoop, a partition is fixedly connected in the ventilation pipe, the outer air pipe, the inner air pipe, the waterproof cap and the mounting air scoop, an upward inclined air inlet is arranged in the waterproof cap on one side of the partition, and a downward inclined air outlet is arranged in the waterproof cap on the other side of the partition; The mounting air scoop is divided into two groups of air cavities by the partition, and each group of air cavities is fixedly connected with a group of fixed mounting racks, a motor is fixedly connected on the fixed mounting rack, a fan blade is fixedly connected on the output shaft of the motor, two groups of air vents are arranged on the two sides of the mounting air scoop, one group is an air inlet, and the other group is an air outlet.

2. The ventilation equipment for coal mining roadway of coal mine according to claim 1, characterized in that, Grids are installed in the two groups of air vents.

3. The ventilation equipment for coal mining roadway of coal mine according to claim 1, characterized in that, Threaded mounting seats are arranged at the bottom of the two groups of air cavities, threaded mounting racks are threadedly connected in the threaded mounting seats, mounting rods arranged in the air cavities are fixedly connected on the threaded mounting racks, and detection contacts are mounted on the mounting rods.

4. The ventilation device for coal mining roadway of coal mine according to claim 3, characterized in that, A sliding mounting cylinder is slidingly connected on the mounting rod, an oxygen generator is mounted in the sliding mounting cylinder, air holes are arranged in the oxygen generator, and the reaction rate of the oxygen generator is controlled by the detection contact.

5. The ventilation equipment for coal mining roadway of coal mine according to claim 3, characterized in that, A knob is fixedly connected at the bottom of the threaded mounting rack.

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