Underground ventilation device for coal mining

Abstract

The utility model discloses an underground ventilation device for coal mining, which belongs to the technical field of coal mining and comprises a ventilation pipe and a connecting pipe, two support frames are respectively and fixedly sleeved on the ventilation pipe and the connecting pipe, two moving mechanisms are respectively arranged on the support frames, and two fixing mechanisms are respectively arranged on the support frames. According to the utility model, the insertion holes are formed in the end parts of the ventilation pipe and the connecting pipe, and the connecting cylinder, the first electric push rod and the bolt are arranged at the other end of the connecting pipe, so that when the ventilation pipe is connected with the connecting pipe, and the connecting pipe is connected with the connecting pipe, the connecting cylinder is sleeved on the outer side of the ventilation pipe or the connecting pipe; the first electric push rod is used for driving the plug pins to be inserted into the insertion holes to conveniently fix the ventilation pipes and the connecting pipes and conveniently fix the connecting pipes, and meanwhile the stability of connection between the ventilation pipes and the connecting pipes and the stability of connection between the connecting pipes are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mining, more particularly to a coal mining underground ventilation device. BACKGROUND

[0002] Coal mining is to mine coal from the ground to the ground, and carry out subsequent processing and utilization, which provides important support for energy supply and industrial production. In order to ensure the air quality of the coal mine underground, it is necessary to set up a ventilation device in the mine.

[0003] After searching, the utility model patent with publication number CN220167975U discloses an underground ventilation device for coal mining, which comprises a ventilation pipe provided with a first connecting disc at one end and a connecting pipe provided with a second connecting disc at one end, a connecting mechanism is arranged between the ventilation pipe and the connecting pipe, the connecting mechanism comprises a first connecting disc provided with a plurality of arc-shaped through grooves on the surface and a second connecting disc fixedly connected with a plurality of connecting pieces on the surface, and the connecting pieces correspond to the arc-shaped through grooves. The connecting pieces arranged on the surface of the second connecting disc are opposite to one end of the arc-shaped through grooves opened in the first connecting disc, the connecting pieces are inserted into the arc-shaped through grooves, then the connecting pipe is rotated to move the connecting pieces to the other end of the arc-shaped through grooves. Because the sizes of the two ends of the arc-shaped through grooves are different, when the connecting pieces are moved to the smaller end, the first connecting disc and the second connecting disc are fixed to each other by the connecting pieces, thereby completing the connection of the ventilation pipe and the connecting pipe, and the installation of the ventilation device is more simple. However, the above-mentioned patent still has the following disadvantages: although the ventilation pipe and the connecting pipe can be connected through the cooperation between the connecting pieces and the arc-shaped through grooves, the connection of the ventilation pipe and the connecting pipe needs to be connected by rotating the connecting pipe, which is not convenient for ensuring the connection stability between the ventilation pipe and the connecting pipe, and it is not convenient to move the ventilation pipe and the connecting pipe, and it is also not convenient to fix the ventilation pipe and the connecting pipe in the mine. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide an underground ventilation device for coal mining.

[0005] To solve the above problems, the utility model adopts the following technical scheme:

[0006] The utility model provides a kind of coal mine mining underground ventilation device, including ventilation pipe and connecting pipe, the ventilation pipe and connecting pipe are respectively fixed with two support frames, two mobile mechanisms are respectively arranged on the support frame, two fixed mechanisms are respectively arranged on the support frame, a plurality of insertion holes are respectively set in the both sides of the ventilation pipe and connecting pipe one end, the other end of the connecting pipe is fixedly sleeved with connecting cylinder, the end of the connecting cylinder is movably sleeved to the outside of ventilation pipe, a plurality of first electric push rods are respectively fixedly installed on the both sides of the connecting cylinder, and the output end of the plurality of first electric push rods is fixedly connected with latch, and the end of the latch is movably sleeved to the inner cavity of insertion hole.

[0007] As a preferred scheme of the utility model, the mobile mechanism includes a first storage cylinder fixedly sleeved on the support frame, a second electric push rod is fixedly installed on the top surface of the first storage cylinder, and the output end of the second electric push rod extends to the inner cavity of the first storage cylinder and is fixedly installed with a moving wheel.

[0008] As a preferred scheme of the utility model, the fixed mechanism includes a second storage cylinder fixedly sleeved on the support frame, a third electric push rod is fixedly installed on the top surface of the second storage cylinder, the output end of the third electric push rod extends to the inner cavity of the second storage cylinder and is fixedly connected with a mounting box, the inner cavity of the mounting box is fixedly installed with a servo motor, the output shaft of the servo motor extends to the inner cavity of the second storage cylinder and is fixedly connected with a screw.

[0009] As a preferred scheme of the utility model, batteries are arranged on the support frame, and control panels are fixedly installed on the outside of the ventilation pipe and the connecting pipe.

[0010] As a preferred scheme of the utility model, the outer diameter of the ventilation pipe is equal to the inner diameter of the connecting cylinder, and the inner diameter of the insertion hole is equal to the outer diameter of the latch.

[0011] As a preferred scheme of the utility model, a blower fan is fixedly installed in the inner cavity of the ventilation pipe, and a protective net is arranged at the other end of the ventilation pipe.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) In the utility model, insertion holes are arranged at the end of the ventilation pipe and the connecting pipe, a connecting cylinder, a first electric push rod and a latch are arranged at the other end of the connecting pipe, when the ventilation pipe and the connecting pipe, the connecting pipe and the connecting pipe are connected, the connecting cylinder is sleeved on the outside of the ventilation pipe or the connecting pipe, the first electric push rod drives the latch to insert into the insertion hole to conveniently fix the ventilation pipe and the connecting pipe, the connecting pipe and the connecting pipe, and ensure the stability of the connection between the ventilation pipe and the connecting pipe, the connecting pipe and the connecting pipe.

[0014] (2) The utility model discloses a first storage cylinder, second electric push rod and the cooperation of moving wheel can drive the ventilation pipe and connecting pipe to move, in addition through the cooperation of second storage cylinder, third electric push rod, installation box, servo motor and screw, utilize servo motor to drive screw rotation, through third electric push rod drives the screw of rotation and moves down, make screw insert into the mine way ground, realize the function of moving and fixing to ventilation pipe and connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the structure schematic diagram of the utility model connecting pipe;

[0017] Figure 3 It is the structure schematic diagram of the utility model ventilation pipe;

[0018] Figure 4 It is the section view schematic diagram of the utility model moving mechanism;

[0019] Figure 5 It is the section view schematic diagram of the utility model fixed mechanism.

[0020] Explanation of reference numerals in the drawing:

[0021] 1, ventilation pipe;2, connecting pipe;3, support frame;4, moving mechanism;5, fixed mechanism;6, jack;7, connecting cylinder;8, first electric push rod;9, bolt;10, battery;11, protective net;12, blower fan;13, control panel;14, first storage cylinder;15, second electric push rod;16, moving wheel;17, second storage cylinder;18, third electric push rod;19, installation box;20, servo motor;21, screw. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 those skilled in the art without creative work fall within the scope of the utility model.

[0023] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "setting", "sleeving / interfacing", "connection" and so on should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between the two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] Please refer to Figures 1-5 , a coal mine mining underground ventilation device, including ventilation pipe 1 and connecting pipe 2, ventilation pipe 1 and connecting pipe 2 are respectively fixed with two support frames 3, two moving mechanisms 4 are respectively arranged on the support frames 3, two fixing mechanisms 5 are respectively arranged on the support frames 3, a plurality of insertion holes 6 are respectively arranged on the two sides of one end of the ventilation pipe 1 and the connecting pipe 2, a connecting barrel 7 is fixedly sleeved on the other end of the connecting pipe 2, the end of the connecting barrel 7 is movably sleeved to the outside of the ventilation pipe 1, a plurality of first electric push rods 8 are fixedly installed on the two sides of the connecting barrel 7, the output ends of the plurality of first electric push rods 8 are all fixedly connected with the latches 9, and the end of the latch 9 is movably sleeved to the inner cavity of the insertion hole 6.

[0027] In the embodiment, the ventilation pipe 1 is provided with a filtering mechanism for filtering dust in the air, which is prior art.

[0028] Specifically, please refer to Figure 1 and Figure 4 , the moving mechanism 4 includes a first receiving barrel 14 fixedly sleeved on the support frame 3, a second electric push rod 15 is fixedly installed on the top surface of the first receiving barrel 14, the output end of the second electric push rod 15 extends to the inner cavity of the first receiving barrel 14 and is fixedly installed with a moving wheel 16.

[0029] In the embodiment, the ventilation pipe 1 and the connecting pipe 2 are moved by the moving wheel 16.

[0030] Specifically, please refer to Figure 1 andFigure 5 The fixing mechanism 5 comprises a second receiving cylinder 17 sleeved on the support frame 3, a third electric push rod 18 is fixedly installed on the top surface of the second receiving cylinder 17, the output end of the third electric push rod 18 extends into the inner cavity of the second receiving cylinder 17 and is fixedly connected with a mounting box 19, the inner cavity of the mounting box 19 is fixedly installed with a servo motor 20, the output shaft of the servo motor 20 extends into the inner cavity of the second receiving cylinder 17 and is fixedly connected with a screw 21.

[0031] In the embodiment, the servo motor 20 drives the screw 21 to rotate, and the third electric push rod 18 drives the rotating screw 21 to move downward, so that the screw 21 is inserted into the ground to fix the support frame 3 on the mine tunnel ground.

[0032] Specifically, please refer to Figure 1 The support frame 3 is provided with a storage battery 10, and the outer side of the ventilation pipe 1 and the connecting pipe 2 is fixedly installed with a control panel 13.

[0033] In the embodiment, the storage battery 10 is used to supply power to the control panel 13, the first electric push rod 8, the second electric push rod 15, the third electric push rod 18 and the servo motor 20, and the control panel 13 is used to control the first electric push rod 8, the second electric push rod 15, the third electric push rod 18 and the servo motor 20.

[0034] Specifically, please refer to Figures 1 to 3 The outer diameter of the ventilation pipe 1 is equal to the inner diameter of the connecting cylinder 7, and the inner diameter of the insertion hole 6 is equal to the outer diameter of the insertion pin 9.

[0035] In the embodiment, the stability of the connecting cylinder 7 sleeved on the outer side of the ventilation pipe 1 is ensured, and the stability of the insertion pin 9 inserted into the inner cavity of the insertion hole 6 is ensured, thereby ensuring the connection stability between the ventilation pipe 1 and the connecting pipe 2.

[0036] Specifically, please refer to Figure 1 The inner cavity of the ventilation pipe 1 is fixedly installed with a blowing fan 12, and the other end of the ventilation pipe 1 is provided with a protective net 11.

[0037] In the embodiment, the blowing fan 12 provides power for the mine tunnel ventilation.

[0038] Working principle: in use, first of all, the control panel 13 is used to control the second electric push rod 15 under the ventilation pipe 1 and the connecting pipe 2 to drive the moving wheel 16 to move down, the moving wheel 16 is used to support the structure of the ventilation pipe 1 and the connecting pipe 2, so as to push the ventilation pipe 1 and the connecting pipe 2 to the mine entrance, then the connecting cylinder 7 at the end of the connecting pipe 2 is sleeved on the outside of the end of the ventilation pipe 1, the first electric push rod 8 is started to drive the bolt 9 to insert into the insertion hole 6 in the side of the ventilation pipe 1, so as to connect the ventilation pipe 1 and the connecting pipe 2, in addition, a plurality of connecting pipes 2 can be connected on the other end of the connecting pipe 2 according to the same method, so as to ventilate different depths in the mine, then the second electric push rod 15 is started to drive the moving wheel 16 to move up, so that the bottom surface of the supporting frame 3 is in contact with the mine ground, at the same time, the servo motor 20 is started to drive the screw 21 to rotate, the third electric push rod 18 is used to drive the rotating screw 21 to move down, so that the screw 21 is inserted into the mine ground, so as to fix the supporting frame 3, the ventilation pipe 1 and the connecting pipe 2 in the mine, finally, the air blower 12 is started to suck air from the outside of the mine, so that the air is introduced into the mine from the ventilation pipe 1 and the connecting pipe 2, so as to ventilate the inside of the mine.

[0039] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mine ventilation device for use in a coal mine, comprising a ventilation duct (1) and a connecting duct (2), characterised in that: Two support frames (3) are sleeved on the ventilation pipe (1) and the connecting pipe (2) respectively, two moving mechanisms (4) are arranged on the support frames (3) respectively, two fixing mechanisms (5) are arranged on the support frames (3) respectively, a plurality of jack holes (6) are formed on the two sides of one end of the ventilation pipe (1) and the connecting pipe (2) respectively, a connecting barrel (7) is sleeved on the other end of the connecting pipe (2), the end of the connecting barrel (7) is movably sleeved to the outside of the ventilation pipe (1), a plurality of first electric push rods (8) are fixedly installed on the two sides of the connecting barrel (7), the output ends of the first electric push rods (8) are fixedly connected with the latches (9), and the end of the latch (9) is movably sleeved to the inner cavity of the jack hole (6).

2. A mine ventilation device according to claim 1, characterised in that: The moving mechanism (4) comprises a first containing barrel (14) fixedly sleeved on the support frame (3), a second electric push rod (15) is fixedly installed on the top surface of the first containing barrel (14), the output end of the second electric push rod (15) extends to the inner cavity of the first containing barrel (14) and is fixedly installed with a moving wheel (16).

3. The mine ventilation device of claim 1, wherein: The fixing mechanism (5) comprises a second containing barrel (17) fixedly sleeved on the support frame (3), a third electric push rod (18) is fixedly installed on the top surface of the second containing barrel (17), the output end of the third electric push rod (18) extends to the inner cavity of the second containing barrel (17) and is fixedly connected with a mounting box (19), the inner cavity of the mounting box (19) is fixedly installed with a servo motor (20), the output shaft of the servo motor (20) extends to the inner cavity of the second containing barrel (17) and is fixedly connected with a screw (21).

4. The mine ventilation device of claim 1, wherein: The support frame (3) is provided with a storage battery (10), and the outer sides of the ventilation pipe (1) and the connecting pipe (2) are fixedly installed with a control panel (13).

5. A mine ventilation device according to claim 4, wherein: The outer diameter of the ventilation pipe (1) is equal to the inner diameter of the connecting barrel (7), and the inner diameter of the jack hole (6) is equal to the outer diameter of the latch (9).

6. A mine ventilation device according to claim 1, characterised in that: The inner cavity of the ventilation pipe (1) is fixedly installed with a blower fan (12), and the other end of the ventilation pipe (1) is provided with a protective net (11). The inner cavity of the ventilation pipe (1) is fixedly installed with a blower fan (12), and the other end of the ventilation pipe (1) is provided with a protective net (11).

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