CN215719615U - Mining pneumatic press-in type axial flow local induced draft fan - Google Patents
Mining pneumatic press-in type axial flow local induced draft fan Download PDFInfo
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- CN215719615U CN215719615U CN202121239303.0U CN202121239303U CN215719615U CN 215719615 U CN215719615 U CN 215719615U CN 202121239303 U CN202121239303 U CN 202121239303U CN 215719615 U CN215719615 U CN 215719615U
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- casing
- axial flow
- induced draft
- draft fan
- flow local
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Abstract
The utility model relates to the technical field of induced draft fans, in particular to a mining pneumatic press-in type axial flow local induced draft fan which comprises a casing, wherein an explosion-proof cavity is arranged on the inner side of the casing, a pressure regulating filter is arranged on one side of the casing, a connecting block is arranged on one side of the pressure regulating filter, a ventilating pipe is arranged on one side of the connecting block, an installation plate is arranged on one side of the casing, an air collector is arranged on one side of the installation plate, a hexagon bolt is arranged on one side of the installation plate, a second elastic cushion and a second flat cushion are respectively arranged on one side of the hexagon bolt opposite to the installation plate, a connecting plate is arranged on the inner side of the explosion-proof cavity, a pneumatic motor is arranged on one side of the connecting plate, a shaft end of the pneumatic motor is provided with a conveying group, and an impeller is arranged on one side of the conveying group, the mining pneumatic press-in type axial flow local draught fan is compact in structure, small in size, convenient to install, safe to use, low in noise and suitable for blowing and discharging harmful gas gathered in underground ventilation dead corners of coal mines, particularly corner areas.
Description
Technical Field
The utility model relates to the technical field of induced draft fans, in particular to a mining pneumatic press-in type axial flow local induced draft fan.
Background
A mining pneumatic press-in type axial flow local fan is a fan driven by an air motor, and is not compact in structure, large in size, inconvenient to install, low in use safety, high in noise, not suitable for blowing and discharging harmful gas gathered at underground ventilation dead corners of a coal mine, particularly corner areas, unclean in treatment and large in potential safety hazard.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects that a ventilator in the prior art is not compact in structure, large in size, inconvenient to install, low in use safety, high in noise, not suitable for blowing and discharging harmful gases gathered at underground ventilation dead angles of a coal mine, particularly corner areas, incomplete in treatment and large in potential safety hazard, and provides a pneumatic forced axial flow local draught fan for a mine.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a design is a mining pneumatic forced axial flow local draught fan, which comprises a casing, wherein a supporting leg is fixedly connected to the bottom side of the casing, an explosion-proof cavity is fixedly arranged on the inner side of the casing, a pressure regulating filter is fixedly arranged on one side of the casing, a connecting block is fixedly arranged on one side of the pressure regulating filter, a ventilating pipe is movably connected to one side of the connecting block, an installation block is fixedly arranged on the outer side of the ventilating pipe, a cross pan head screw is rotatably connected to one side of the installation block through threads, a first elastic pad and a first flat pad are movably sleeved on one side, opposite to the installation block, of the cross pan head screw respectively, one side of the cross pan head screw is rotatably connected to one side of the connecting block through threads, an installation plate is movably connected to one side of the casing, an air collector is fixedly connected to one side of the installation plate, a hexagon bolt is fixedly arranged on one side of the installation plate, one side of hexagon bolt runs through in one side of mounting panel and extends to outside, one side that hexagon bolt and mounting panel are relative is movable respectively and is cup jointed and is equipped with the second bullet pad, the flat pad of second, one side that hexagon bolt is close to the casing is equipped with hexagon nut through the screw thread swivelling joint, the inboard in explosion-proof chamber is fixed and is equipped with the connecting plate, one side swing joint of connecting plate is equipped with pneumatic motor, pneumatic motor's axle head swing joint is equipped with conveying group, one side swing joint of conveying group is equipped with the impeller.
Preferably, one side of the casing is respectively and movably connected with a nameplate and a direction sign, and one side of the nameplate, the side of the direction sign opposite to the casing are respectively and fixedly provided with a rivet.
Preferably, one side of the connecting plate is rotatably connected with an inner hexagon bolt through threads, one side of the inner hexagon bolt is rotatably connected with one side of the pneumatic motor, and the inner hexagon bolt is movably sleeved with a third elastic cushion and a third flat cushion respectively on one side opposite to the connecting plate.
Preferably, the impeller is a member formed by welding a hub and blades.
Preferably, the type of the first elastic cushion adopts an elastic cushion phi 5 component, and the type of the first flat cushion adopts a flat cushion phi 5 component.
Preferably, the mining pneumatic press-in type axial flow local induced draft fan adopts a low-carbon steel welding process.
The utility model provides a mining pneumatic press-in type axial flow local draught fan, which has the beneficial effects that: the mining pneumatic press-in type axial flow local induced draft fan has the advantages that the pneumatic motor, the conveying set and the impeller are arranged, the transmission set is connected with the output shaft of the pneumatic motor, the weight of the impeller is borne by the transmission set, the bearing capacity of the pneumatic motor is greatly reduced, the service life of the fan is prolonged, the mining pneumatic press-in type axial flow local induced draft fan adopts a low-carbon steel welding process, the carbon content of low-carbon steel is low, the manganese content and the silicon content are low, so that a serious hardening structure or a quenching structure cannot be generated due to welding under normal conditions, the joint plasticity and the impact toughness of the low-carbon steel after welding are good, preheating, interlayer temperature control and post heat are not needed during welding, the heat treatment for improving the structure is not needed after welding, special technological measures are not needed in the whole welding process, the welding performance is good, the installation and the operation are convenient, the use safety is high, the mining pneumatic press-in type axial flow local induced draft fan is compact in structure and small in size, the device has the advantages of convenient installation, safe use and low noise, and is suitable for blowing and discharging harmful gases gathered at underground ventilation dead corners of the coal mine, particularly corner areas.
Drawings
FIG. 1 is a schematic front axial measurement structure diagram of a mining pneumatic press-in type axial flow local induced draft fan provided by the utility model;
FIG. 2 is a schematic structural diagram of a top surface cut-away axial flow local induced draft fan for a mining pneumatic press-in type axial flow, which is provided by the utility model;
FIG. 3 is a schematic structural diagram of a top surface cut-off axial flow test center A of a mining pneumatic forced axial flow local induced draft fan provided by the utility model;
FIG. 4 is a schematic front cut-away axial-flow structure diagram of a mining pneumatic forced axial-flow local induced draft fan according to the present invention;
FIG. 5 is a schematic diagram of a top surface cut-away axial flow local induced draft fan for a mining pneumatic forced-in axial flow
Fig. 6 is a schematic structural diagram of a top surface cut-off shaft of the pneumatic forced axial flow local induced draft fan for mining, which is provided by the utility model, and B in the top surface cut-off shaft.
In the figure: 1 casing, 2 supporting legs, 3 explosion-proof chamber, 4 pressure regulating filters, 5 connecting blocks, 6 ventilation pipes, 7 installation blocks, 8 cross pan head screws, 9 first bullet pads, 10 first flat pads, 11 mounting panels, 12 wind collectors, 13 hexagon bolts, 14 second bullet pads, 15 second flat pads, 16 hexagon nuts, 17 connecting plates, 18 pneumatic motors, 19 conveying groups, 20 impellers, 21 nameplates, 22 direction signs, 23 rivets, 24 hexagon socket head bolts, 25 third bullet pads, 26 third flat pads.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, a mining pneumatic press-in type axial flow local draught fan comprises a casing 1, a supporting leg 2 is fixedly connected and arranged at the bottom side of the casing 1, an explosion-proof cavity 3 is fixedly arranged at the inner side of the casing 1, a pressure regulating filter 4 is fixedly arranged at one side of the casing 1, a connecting block 5 is fixedly arranged at one side of the pressure regulating filter 4, a ventilating pipe 6 is movably connected and arranged at one side of the connecting block 5, an installation block 7 is fixedly arranged at the outer side of the ventilating pipe 6, a cross pan head screw 8 is rotatably connected and arranged at one side of the installation block 7 through threads, a first spring washer 9 and a first flat washer 10 are respectively movably sleeved and arranged at one side of the cross pan head screw 8 opposite to the installation block 7, a mounting plate 11 is movably connected and arranged at one side of the casing 1, an air collector 12 is fixedly connected and arranged at one side of the mounting plate 11, the fixed hexagon bolt 13 that is equipped with in one side of mounting panel 11, one side of hexagon bolt 13 runs through in one side of mounting panel 11 and extends to outside, hexagon bolt 13 is equipped with second bullet pad 14 with the relative one side of mounting panel 11 activity cup joints respectively, the flat pad 15 of second, hexagon bolt 13 is close to one side of casing 1 and is equipped with hexagon nut 16 through the screw thread rotation connection, the fixed connecting plate 17 that is equipped with in inboard of explosion-proof chamber 3, one side swing joint of connecting plate 17 is equipped with pneumatic motor 18, pneumatic motor 18's axle head swing joint is equipped with conveying group 19, one side swing joint of conveying group 19 is equipped with impeller 20.
Specifically, one side of the casing 1 is movably connected with a nameplate 21 and a direction sign 22, and one side of the nameplate 21 and the direction sign 22 opposite to the casing 1 is fixedly provided with a rivet 23.
Specifically, one side of the connecting plate 17 is rotatably connected with an inner hexagon bolt 24 through threads, one side of the inner hexagon bolt 24 is rotatably connected with one side of the pneumatic motor 18, and the opposite side of the inner hexagon bolt 24 and the connecting plate 17 is respectively movably sleeved with a third elastic cushion 25 and a third flat cushion 26.
Specifically, the impeller 20 is a member formed by welding a hub and a blade.
Specifically, the first elastic cushion 9 is made of an elastic cushion phi 5 component, and the first flat cushion 10 is made of a flat cushion phi 5 component.
Specifically, the mining pneumatic press-in type axial flow local induced draft fan adopts a low-carbon steel welding process.
When the utility model is used, the pneumatic motor 18, the transmission set 19 and the impeller 20 are arranged, the transmission set 19 is connected with the output shaft of the pneumatic motor 18, the weight of the impeller 20 is borne by the transmission set, the bearing capacity of the pneumatic motor 18 is greatly reduced, the service life of the fan is prolonged, the mining pneumatic press-in axial flow local induced draft fan adopts the low-carbon steel welding process, because the low-carbon steel has low carbon content and low manganese and silicon content, the serious hardening structure or quenching structure can not be generated due to welding under the normal condition, the joint plasticity and the impact toughness of the low-carbon steel after welding are good, preheating and interlayer temperature and postheating are not needed to be controlled during welding, the heat treatment for improving the structure is not needed after welding, special process measures are not needed in the whole welding process, the welding property is good, the installation and the operation are convenient, the use safety is high, and the mining pneumatic press-in axial flow local induced draft fan, the device has the advantages of compact structure, small volume, convenient installation, safe use and low noise, and is suitable for blowing and discharging harmful gases gathered at the underground ventilation dead corners of the coal mine, particularly corner areas.
The working principle is as follows: the transmission set 19 is connected with the impeller 20 and drives the impeller 10 to rotate, wind flow enters the rotating impeller 20 from the guide body, and airflow accelerated by the impeller 20 is deflected through the rear guide vane, so that the airflow discharged by the fan is in a rotating shape, and harmful gas such as gathered gas in a roadway is blown out.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a local draught fan of mining pneumatic forced axial compressor, includes casing (1), the bottom side fixed connection of casing (1) is equipped with supporting leg (2), its characterized in that, the inboard of casing (1) is fixed and is equipped with explosion-proof chamber (3), one side of casing (1) is fixed and is equipped with pressure regulating filter (4), one side of pressure regulating filter (4) is fixed and is equipped with connecting block (5), one side swing joint of connecting block (5) is equipped with ventilation pipe (6), the outside of ventilation pipe (6) is fixed and is equipped with installation piece (7), one side of installation piece (7) is connected through the screw thread rotation and is equipped with cross pan head screw (8), one side that cross pan head screw (8) and installation piece (7) are relative is movable respectively cup jointed and is equipped with first bullet pad (9), first flat pad (10), one side of cross pan head screw (8) is connected in one side of connecting block (5) through the screw thread rotation, one side of the shell (1) is movably connected with an installation plate (11), one side of the installation plate (11) is fixedly connected with a wind collector (12), a hexagon bolt (13) is fixedly arranged on one side of the mounting plate (11), one side of the hexagon bolt (13) penetrates through one side of the mounting plate (11) and extends to the outside, a second elastic pad (14) and a second flat pad (15) are respectively movably sleeved on one side of the hexagon bolt (13) opposite to the mounting plate (11), one side of the hexagonal bolt (13) close to the shell (1) is rotatably connected with a hexagonal nut (16) through threads, a connecting plate (17) is fixedly arranged on the inner side of the explosion-proof cavity (3), a pneumatic motor (18) is movably connected with one side of the connecting plate (17), the pneumatic motor is characterized in that a conveying group (19) is movably connected to the shaft end of the pneumatic motor (18), and an impeller (20) is movably connected to one side of the conveying group (19).
2. The mining pneumatic forced axial flow local induced draft fan according to claim 1, characterized in that one side of the casing (1) is respectively and movably connected with a nameplate (21) and a direction sign (22), and rivets (23) are respectively and fixedly arranged on the side of the nameplate (21) and the side of the direction sign (22) opposite to the casing (1).
3. The mining pneumatic forced axial flow local induced draft fan according to claim 1, characterized in that, one side of connecting plate (17) is connected through the screw rotation and is equipped with hexagon socket head cap screw (24), one side of hexagon socket head cap screw (24) is connected in one side of pneumatic motor (18) in the rotation, one side that hexagon socket head cap screw (24) and connecting plate (17) are relative is movable respectively to cup joint and is equipped with third bullet pad (25), third flat pad (26).
4. The mining pneumatic forced axial flow local induced draft fan according to claim 1, wherein the impeller (20) is a member formed by welding a hub and a blade.
5. The mining pneumatic forced axial flow local induced draft fan according to claim 1, characterized in that the model of the first spring washer (9) is a spring washer phi 5 component, and the model of the first flat washer (10) is a flat washer phi 5 component.
6. The mining pneumatic press-in type axial flow local induced draft fan according to claim 1, characterized in that the mining pneumatic press-in type axial flow local induced draft fan adopts a low carbon steel welding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121239303.0U CN215719615U (en) | 2021-06-04 | 2021-06-04 | Mining pneumatic press-in type axial flow local induced draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121239303.0U CN215719615U (en) | 2021-06-04 | 2021-06-04 | Mining pneumatic press-in type axial flow local induced draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215719615U true CN215719615U (en) | 2022-02-01 |
Family
ID=80040729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121239303.0U Expired - Fee Related CN215719615U (en) | 2021-06-04 | 2021-06-04 | Mining pneumatic press-in type axial flow local induced draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215719615U (en) |
-
2021
- 2021-06-04 CN CN202121239303.0U patent/CN215719615U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |