A coal mine ventilation extraction pipeline with a supporting structure

Abstract

The present invention discloses a coal mine ventilation and extraction pipeline with a supporting structure in the technical field of coal mine ventilation pipelines, comprising a ventilation pipe; a connecting groove, the right top of the connecting groove is connected to the ventilation pipe; an extraction pipe, the inner left side of the connecting groove is fitted and connected to the extraction pipe; an accordion folding cloth, the accordion folding cloth is provided with two groups, the opposite sides of the two groups of the accordion folding cloth are respectively connected to the two sides of the extraction pipe, and the sides of the two groups of the accordion folding cloth away from each other are respectively connected to the inner two sides of the connecting groove; the extraction pipe can be driven to adjust its height by a lifting device, and when the extraction pipe moves, the two groups of the accordion folding cloth follow the folding and stretching, so that the polluted gas can still enter the connecting groove through the extraction pipe, and then be discharged through the ventilation pipe, thereby solving the problem that the pipeline is generally set at the top of the coal mine tunnel, which makes it impossible to extract the polluted dust, thereby affecting the efficiency of polluted gas treatment.

Description

Technical Field

[0001] The invention relates to the technical field of coal mine ventilation pipes, in particular to a coal mine ventilation extraction pipe with a supporting structure. Background Art

[0002] Coal is a common energy source in people's daily life, so the demand for coal is very large. Coal mines are areas where humans mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. When the coal seam is far from the surface, it is generally chosen to dig tunnels underground to mine coal. This is an underground coal mine. When the coal seam is very close to the surface, it is generally chosen to directly strip the surface soil layer to mine coal. This is an open-pit coal mine. Most of my country's coal mines are underground coal mines. In the process of coal mining, a large amount of dust and gas are easily generated. These dust and gas not only pollute the environment, but also endanger the health of workers. In severe cases, explosions may occur, so pipeline ventilation, dust removal and air exchange are required.

[0003] At present, the ventilation ducts in coal mines are generally used in conjunction with axial flow fans, with one end of the duct connected to the axial flow fan and the other end arranged at the source of polluted gas in the coal mine.

[0004] However, currently, pipelines are generally set at the top of coal mine tunnels, which makes it impossible to extract polluted dust, affecting the efficiency of polluted gas treatment. For this reason, we propose a coal mine ventilation extraction pipeline with a supporting structure. Summary of the invention

[0005] The object of the present invention is to provide a coal mine ventilation and extraction pipeline with a supporting structure to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a coal mine ventilation and extraction pipeline with a supporting structure, comprising a ventilation pipe; a connecting groove, the right top of the connecting groove is connected to the ventilation pipe; an extraction pipe, the inner left side of the connecting groove is fitted and connected to the extraction pipe; an accordion folding cloth, the accordion folding cloth is provided with two groups, the opposite sides of the two groups of the accordion folding cloth are respectively connected to the two sides of the extraction pipe, and the sides of the two groups of the accordion folding cloth away from each other are respectively connected to the inner sides of the connecting groove; a lifting device, the lifting device is connected to the extraction pipe; a supporting device, the lifting device and the connecting groove are both arranged on the supporting device.

[0007] As a preferred solution of a coal mine ventilation and extraction pipeline with a supporting structure described in the present invention, the lifting device includes a support frame connected to the extraction pipe, connecting blocks are provided on both sides of the support frame, two groups of connecting blocks are screwed with screw rods, and the bottom ends of the two groups of screw rods are connected to a motor.

[0008] As a preferred solution of the coal mine ventilation and extraction pipeline with a supporting structure described in the present invention, the supporting device includes a supporting seat connected to the bottom of the connecting groove, the bottom of the supporting seat is connected to the base, and the two groups of motors are both connected to the base.

[0009] As a preferred solution of the coal mine ventilation extraction pipe with a supporting structure described in the present invention, rotating shafts are arranged on both sides of the interior of the connecting groove, mounting rods are arranged on the two groups of rotating shafts, knocking balls are arranged on the two groups of mounting rods, the two groups of knocking balls are respectively located on the right sides of the two groups of accordion folding cloths, and gears are sleeved on the two groups of rotating shafts.

[0010] As a preferred solution of the coal mine ventilation extraction pipeline with a supporting structure described in the present invention, the tops of the two groups of gears are meshed and connected with push rods, the right sides of the two groups of push rods are connected to fixed rods, and the right side of the fixed rods is connected to the pushing device.

[0011] As a preferred solution of the coal mine ventilation extraction pipeline with a supporting structure described in the present invention, the pushing device includes a guide rod connected to the right side of the fixed rod, the right side of the guide rod passes through the connecting groove, the right side of the guide rod is hinged to one end of the movable rod, the other end of the movable rod is hinged to the turntable, the turntable is sleeved on the output shaft of motor 2, and motor 2 is arranged on the connecting groove.

[0012] As a preferred solution of the coal mine ventilation and extraction pipeline with a supporting structure described in the present invention, the interiors of the two groups of striking balls are both hollow structures.

[0013] As a preferred solution of the coal mine ventilation and extraction pipeline with a supporting structure described in the present invention, a dust exhaust door is provided at the right bottom of the connecting groove.

[0014] As a preferred solution of the coal mine ventilation and extraction pipeline with a supporting structure described in the present invention, a counterweight structure is arranged inside the base.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: the height of the extraction pipe can be adjusted by the lifting device, and when the extraction pipe moves, the two groups of accordion folding cloths follow the folding and stretching, so that the polluted gas can still enter the connecting groove through the extraction pipe, and then be discharged through the ventilation pipe, which solves the problem that the pipeline is generally set at the top of the coal mine tunnel, resulting in the inability to align the polluted dust for extraction, affecting the efficiency of polluted gas treatment; the turntable is driven to rotate by motor 2, so that the movable rod drives the guide rod to move back and forth laterally on the connecting groove, and then drives the push rod on the fixed rod to move back and forth laterally, so that the two groups of gears drive the knocking balls on the two groups of mounting rods through the two groups of rotating shafts to knock the two groups of accordion folding cloths back and forth, so that the dust on the right side of the two groups of accordion folding cloths falls off, and then they are regularly cleaned by opening the dust exhaust door. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a coal mine ventilation and extraction pipeline with a supporting structure according to the present invention;

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of a coal mine ventilation and extraction pipeline with a supporting structure according to the present invention;

[0018] Figure 3 This is a schematic diagram of the push rod and gear structure of a coal mine ventilation extraction pipeline with a supporting structure of the present invention;

[0019] Figure 4 The present invention is a schematic diagram of the structure of the turntable and movable rods used in the coal mine ventilation extraction pipeline with a supporting structure.

[0020] In the figure: 101, ventilation pipe; 102, connecting groove; 103, extraction tube; 104, accordion folding cloth; 105, dust exhaust door; 201, support frame; 202, connecting block; 203, screw rod; 204, motor one; 301, base; 302, support seat; 401, rotating shaft; 402, mounting rod; 403, knocking ball; 404, gear; 501, push rod; 502, fixed rod; 503, guide rod; 504, movable rod; 505, turntable; 506, motor two. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1

[0023] Reference Figures 1 to 3 A coal mine ventilation and extraction pipeline with a supporting structure includes a ventilation pipe 101 whose one end is connected to an axial flow fan, and the ventilation pipe 101 is installed at the top of the coal mine tunnel through the existing technology; a connecting groove 102 is provided, and the top of the right side of the connecting groove 102 is connected to the other end of the ventilation pipe 101; an extraction pipe 103 is provided, so that the inner left side of the connecting groove 102 is closely connected to the extraction pipe 103, which can guide the extraction pipe 103; an accordion folding cloth 104 is provided, and the accordion folding cloth 104 is provided with two groups, and the opposite sides of the two groups of accordion folding cloth 104 are respectively connected to the two sides of the extraction pipe 103, so that the sides of the two groups of accordion folding cloth 104 away from each other are respectively connected to the connecting groove The two sides of the interior of 102 are connected, so that when the extraction pipe 103 moves, the two sets of accordion folding cloths 104 follow the folding and stretching, so that the polluted gas can still enter the connecting groove 102 through the extraction pipe 103, and then be discharged through the ventilation pipe 101 under the action of the axial flow fan, which solves the problem that the pipeline is generally set at the top of the coal mine tunnel, resulting in the inability to align the polluted dust for extraction, affecting the efficiency of polluted gas treatment; in order to enable the extraction pipe 103 to adjust its height so that it can be aligned with the origin of the polluted gas, a lifting device is set to connect the lifting device to the extraction pipe 103; a supporting device is set, and the lifting device and the connecting groove 102 are both set on the supporting device.

[0024] The lifting device includes a support frame 201 connected to the extraction pipe 103, and connecting blocks 202 are arranged on both sides of the support frame 201. Screw rods 203 are screwed on the two groups of connecting blocks 202, and the bottom ends of the two groups of screw rods 203 are connected to motors 204. Motor 1 204 is powered and controlled by existing technology. The output shaft of motor 1 204 is connected to screw rod 203, so that motor 1 204 can drive screw rod 203 to rotate, thereby driving the connecting block 202 to be lifted and lowered. By setting two groups of screw rods 203, the extraction pipe 103 is more balanced and stable when being lifted and lowered on the connecting groove 102.

[0025] The supporting device includes a supporting base 302 connected to the bottom of the connecting groove 102, the bottom of the supporting base 302 is connected to the base 301, and the two sets of motors 204 are arranged on the base 301 according to the existing technology.

[0026] The inner sides of the connecting groove 102 are rotatably connected with the rotating shaft 401 through bearings, and the two sets of rotating shafts 401 are provided with mounting rods 402, and the two sets of mounting rods 402 are provided with knocking balls 403, and the two sets of knocking balls 403 are respectively located on the right sides of the two sets of accordion folding cloths 104. The rotating shaft 401 rotates, so that the mounting rod 402 can rotate, thereby driving the knocking balls 403 to swing and contact the accordion folding cloth 104. During the use of the connecting groove 102, some dust in the polluted gas will remain on the right side of the accordion folding cloth 104. Therefore, through the reciprocating knocking of the knocking balls 403, the dust on the accordion folding cloth 104 can be shaken off to the bottom inner wall of the connecting groove 102, so as to prevent the accordion folding cloth 104 from being affected by the folding and stretching due to too much dust during use. In order to facilitate the back and forth rotation of the rotating shaft 401, gears 404 are sleeved on the two sets of rotating shafts 401.

[0027] Push rods 501 are meshed and connected at the tops of the two sets of gears 404. The right sides of the two sets of push rods 501 are connected to the fixed rods 502. The right sides of the fixed rods 502 are connected to the pushing device. The pushing device can make the fixed rods 502 move back and forth horizontally, thereby driving the two sets of push rods 501 to move back and forth.

[0028] The insides of the two sets of striking balls 403 are both hollow structures, which can reduce the weight.

[0029] A dust exhaust door 105 is provided at the right bottom of the connecting groove 102 to facilitate cleaning of dust that falls on the inner wall of the bottom of the connecting groove 102 .

[0030] A counterweight structure is disposed inside the base 301 to increase the stability of the base 301 .

[0031] Example 2

[0032] Reference Figures 2 to 4 The pushing device includes a guide rod 503 connected to the right side of the fixed rod 502, so that the right side of the guide rod 503 passes through the connecting groove 102, and the right side of the guide rod 503 is hinged to one end of the movable rod 504, and the other end of the movable rod 504 is hinged on the turntable 505, and the turntable 505 is sleeved on the output shaft of the motor 2 506. The motor 2 506 is set on the connecting groove 102, and the motor 2 506 is controlled and powered by the existing technology.

[0033] The rest of the structure is the same as that of Example 1.

[0034] Usage process: according to the gas source of the polluted gas, start the motor 204, so that the screw rod 203 drives the connecting block 202 to move vertically, and then drives the supporting frame 201 to move vertically, so that the extraction pipe 103 can be moved to the source of the polluted gas. When the extraction pipe 103 moves, the two sets of accordion folding cloths 104 follow the folding and stretching, so that the polluted gas can still enter the connecting groove 102 through the extraction pipe 103, and then be discharged through the ventilation pipe 101 under the action of the axial flow fan, which solves the problem that the pipeline is generally set at the top of the coal mine tunnel, resulting in the inability to extract the polluted dust, affecting The problem of polluted gas treatment efficiency is affected; when the dust on the right side of the accordion folding cloth 104 needs to be cleaned, the turntable 505 is driven to rotate by the motor 2 506, so that the movable rod 504 can drive the guide rod 503 to move back and forth laterally, and then the push rod 501 is driven to move back and forth laterally through the fixed rod 502, so that the two sets of gears 404 both follow the reciprocating rotation, so that the mounting rod 402 can drive the knocking ball 403 to swing back and forth, knocking the accordion folding cloth 104, so that the dust is shaken off to the bottom inner wall of the connecting groove 102, and then the dust exhaust door 105 is opened to clean the dust.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine ventilation and extraction pipeline with a supporting structure, characterized in that: include, Ventilation pipe (101); A connecting groove (102), wherein the top right side of the connecting groove (102) is in communication with the ventilation pipe (101); An extraction pipe (103), wherein the left side of the interior of the connection groove (102) is closely connected to the extraction pipe (103); The accordion folding cloth (104) is provided with two groups, the opposite sides of the two groups of accordion folding cloth (104) are respectively connected to the two sides of the extraction tube (103), the sides of the two groups of accordion folding cloth (104) away from each other are respectively connected to the two sides inside the connecting groove (102), the two sides inside the connecting groove (102) are both provided with a rotating shaft (401), the two groups of the rotating shaft (401) are both provided with a mounting rod (402), the two groups of the mounting rod (402) are both provided with a knocking ball (403), the two groups of the knocking ball (403) are respectively located on the right side of the two groups of accordion folding cloth (104), and the two groups of the rotating shaft (401) are both sleeved with a gear (404). ), the tops of the two groups of gears (404) are meshedly connected with push rods (501), the right sides of the two groups of push rods (501) are connected to the fixed rod (502), the right side of the fixed rod (502) is connected to a pushing device, the pushing device comprises a guide rod (503) connected to the right side of the fixed rod (502), the right side of the guide rod (503) passes through the connecting groove (102), the right side of the guide rod (503) is hinged to one end of a movable rod (504), the other end of the movable rod (504) is hinged to a rotating disk (505), the rotating disk (505) is sleeved on the output shaft of a second motor (506), and the second motor (506) is arranged on the connecting groove (102); A lifting device, the lifting device is connected to the extraction pipe (103), the lifting device comprises a support frame (201) connected to the extraction pipe (103), connecting blocks (202) are arranged on both sides of the support frame (201), screw rods (203) are screwed on two groups of the connecting blocks (202), and the bottom ends of the two groups of the screw rods (203) are connected to motor 1 (204); A supporting device, wherein the lifting device and the connecting groove (102) are both arranged on the supporting device.

2. A coal mine ventilation and extraction pipeline with a supporting structure according to claim 1, characterized in that: The support device comprises a support seat (302) connected to the bottom of the connection groove (102), the bottom of the support seat (302) is connected to the base (301), and the two groups of motors 1 (204) are both connected to the base (301).

3. A coal mine ventilation and extraction pipeline with a supporting structure according to claim 1, characterized in that: The insides of the two groups of striking balls (403) are both hollow structures.

4. A coal mine ventilation and extraction pipeline with a supporting structure according to claim 1, characterized in that: A dust exhaust door (105) is provided at the right bottom of the connection slot (102).

5. A coal mine ventilation and extraction pipeline with a supporting structure according to claim 2, characterized in that: A counterweight structure is arranged inside the base (301).

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