CN215409340U - Mining ultralow-noise local disrotatory axial flow ventilator device - Google Patents
Mining ultralow-noise local disrotatory axial flow ventilator device Download PDFInfo
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- CN215409340U CN215409340U CN202121751437.0U CN202121751437U CN215409340U CN 215409340 U CN215409340 U CN 215409340U CN 202121751437 U CN202121751437 U CN 202121751437U CN 215409340 U CN215409340 U CN 215409340U
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- 238000005065 mining Methods 0.000 title claims abstract description 31
- 230000030279 gene silencing Effects 0.000 claims abstract description 68
- 230000003584 silencer Effects 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 abstract description 9
- 230000009467 reduction Effects 0.000 abstract description 7
- 206010000372 Accident at work Diseases 0.000 abstract description 5
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- 238000003379 elimination reaction Methods 0.000 description 15
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model provides a mining ultra-low noise local disrotatory axial flow ventilator device, comprising: an electric motor; the silencing guide cone is fixedly arranged on the left side of the motor; the current collector is fixedly arranged on the outer side of the motor; the silencing cylinder on the inner side of the current collector is fixedly arranged on the left side of the current collector; the air inlet box is fixedly arranged at the left end of the silencing cylinder at the inner side of the current collector; the diffuser silencing structure is fixedly arranged on the right side of the current collector and comprises a silencing core barrel, and a cylindrical silencer is fixedly arranged on the right side of the silencing core barrel. The mining ultra-low noise local disrotatory axial flow ventilator device provided by the utility model can reduce the damage of noise to the hearing, vision and immune work of workers, and meanwhile, through the reduction of the noise, no communication limitation among the workers can be promoted, and the probability of industrial accidents caused by unsmooth communication is shown.
Description
Technical Field
The utility model relates to the field of machine manufacturing, in particular to a mining ultra-low noise local disrotatory axial flow ventilator device.
Background
The mechanical manufacturing refers to the operation of various power machines, hoisting and transporting machines, chemical machines, textile machines, machine tools, instruments, meters and other mechanical equipment.
At present, the well-known common local ventilator running under the mine generates 108 decibels of severe noise when running at a high speed in a roadway, and the severe noise is transmitted and reflected in the roadway, so that an ultralow local ventilator device is developed.
Workers working in underground mine environments suffer most from hearing damage, and noise can seriously impair human vision and normal immune function; the full expression and communication of information are limited in noise, warning is performed when dangerous signals in a mine often need sound signals, and due to the masking effect of the noise, an operator cannot distinguish the signals, so that industrial accidents are easily caused.
Therefore, it is necessary to provide an ultra-low noise local contra-rotating axial-flow ventilator device for mining to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a mining ultra-low noise local contra-rotating axial flow fan device, which solves the problems that workers in low mine construction suffer from hearing damage due to the fact, the noise can seriously damage the vision and normal immune work of the workers, the information communication among the workers can be limited by the noise, and even industrial accidents can occur due to unsmooth communication.
In order to solve the technical problem, the utility model provides a mining ultralow-noise local disrotatory axial flow ventilator device, which comprises: an electric motor;
the silencing guide cone is fixedly arranged on the left side of the motor;
a current collector fixedly mounted on an outer side of the motor;
the silencing cylinder on the inner side of the current collector is fixedly arranged on the left side of the current collector;
the air inlet box is fixedly arranged at the left end of the silencing cylinder at the inner side of the current collector;
the silencer comprises a current collector, a diffuser silencing structure, a cylindrical silencer, a silencer inner side silencing tube and a silencer outer side silencing tube, wherein the diffuser silencing structure is fixedly arranged on the right side of the current collector and comprises a silencing core tube, the cylindrical silencer is fixedly arranged on the right side of the silencing core tube, the outer sides of the cylindrical silencer and the silencing core tube are provided with the diffuser inner side silencing tube, and the diffuser outer silencing tube is arranged on the outer side of the diffuser inner side silencing tube.
Preferably, a guide plate is fixedly arranged in the air inlet box.
Preferably, the outer side of the muffler cylinder on the inner side of the current collector is fixedly provided with the muffler cylinder on the outer side of the current collector.
Preferably, an impeller is fixedly mounted inside the motor.
Preferably, the periphery of the top of the air inlet box is provided with a placing groove, and a connecting rod is arranged in the placing groove.
Preferably, the top fixedly connected with fixed frame of connecting rod, the inside fixedly connected with filter screen of fixed frame.
Preferably, the both sides of inlet box all fixed mounting have fixed knot to construct, fixed knot constructs including the joint pole, the surface of joint pole is provided with the spring.
Preferably, the outer side of the clamping rod is fixedly connected with a connecting column, and the outer side of the connecting column is fixedly connected with a pull ring.
Compared with the related art, the mining ultra-low noise local counter-rotating axial flow ventilator device provided by the utility model has the following beneficial effects:
the utility model provides a mining ultra-low noise local counter-rotating axial flow ventilator device, wherein a motor and an impeller which rotate at high speed generate high noise sources, a silencing guide cone is arranged in a current collector of the mining ultra-low noise local counter-rotating axial flow ventilator device, a 90-degree air inlet box is further arranged at an air inlet end, a silencing material is lined in the air inlet box, the function of naturally reducing noise by using a rectangular 90-degree elbow is utilized, a guide plate in the air inlet box is arranged into a silencing sheet shape, the functions of guiding air flow, reducing resistance loss and silencing are considered, the control is realized because the motor drives the impeller to rotate to form the over-standard noise transmission at the air inlet side, a silencing core barrel and a cylindrical silencer in a diffuser silencing structure are arranged at the air outlet ends of the motor and the impeller, and the over-standard leakage of the noise at the air outlet ends of the motor and the impeller is controlled. The method combines sound absorption and noise elimination as main parts and sound insulation as auxiliary parts, achieves the purpose of noise reduction, can reduce the damage of noise to the hearing, vision and immune work of workers, and can promote no communication limitation among the workers through the reduction of the noise, thereby improving the probability of industrial accidents caused by unsmooth communication.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of a mining ultra-low noise local counter-rotating axial flow fan device provided by the utility model;
fig. 2 is a schematic structural view of a cross-section of the current collector shown in fig. 1;
FIG. 3 is a schematic perspective view of the air intake box of FIG. 1;
FIG. 4 is a schematic structural diagram of a second embodiment of the mining ultra-low noise local contra-rotating axial flow fan device provided by the utility model;
fig. 5 is a structural diagram of the right side plane shown in fig. 4.
Reference numbers in the figures: 1. a motor 2, a silencing guide cone 3, an impeller 4, a current collector 5, a silencing cylinder on the inner side of the current collector 6, a silencing cylinder on the outer side of the current collector 7, an air inlet box 8 and a guide plate,
9. a diffuser silencing structure 91, a diffuser outer silencing tube 92, a silencing core tube 93, a diffuser inner silencing tube 94 and a cylindrical silencer,
10. a placing groove 11, a connecting rod 12 and a fixing frame,
13. a fixing structure 131, a clamping rod 132, a connecting column 133, a pull ring 134 and a spring,
14. and (5) filtering by using a filter screen.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
First embodiment
Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a first embodiment d of an ultra-low noise local counter-rotating axial flow ventilator device for mining according to the present invention; fig. 2 is a schematic structural view of a cross-section of the current collector shown in fig. 1; fig. 3 is a perspective view of the intake box shown in fig. 1. An ultra-low noise local disrotatory axial flow fan device for mining, comprising: a motor 1;
the silencing guide cone 2 is fixedly arranged on the left side of the motor 1;
a current collector 4, wherein the current collector 4 is fixedly arranged on the outer side of the motor 1;
the muffler comprises a current collector inner side muffler cylinder 5, wherein the current collector inner side muffler cylinder 5 is fixedly arranged on the left side of the current collector 4;
the air inlet box 7 is fixedly arranged at the left end of the silencing cylinder 5 on the inner side of the current collector;
the diffuser silencing structure 9 is fixedly arranged on the right side of the current collector 4, the diffuser silencing structure 9 comprises a silencing core tube 92, a cylindrical silencer 94 is fixedly arranged on the right side of the silencing core tube 92, an inner diffuser silencing tube 93 is arranged on the outer sides of the cylindrical silencer 94 and the silencing core tube 92, and an outer diffuser silencing tube 91 is arranged on the outer side of the inner diffuser silencing tube 93.
And a guide plate 8 is fixedly arranged in the air inlet box 7.
And a current collector external silencing cylinder 6 is fixedly arranged on the outer side of the current collector internal silencing cylinder 5.
An impeller 3 is fixedly mounted on the inner side of the motor 1.
The number of the motors 1 is two, and the two motors 1 are symmetrically installed.
The working principle of the mining ultra-low noise local counter-rotating axial flow ventilator device provided by the utility model is as follows:
the motor 1 rotates at a high speed to drive the impeller 3 to do work, high-pressure airflow is connected with the air duct through the outlet and is conveyed to a working surface, meanwhile, the motor 1 and the impeller 3 rotating at the high speed generate noise about 108dB (A), and the noise is directly transmitted out through an air outlet of a diffuser silencing structure 9 and an air inlet of an air inlet box 7 of a fan structure formed by the motor 1 and the impeller 3 and is also transmitted into a roadway through radiation of a fan structure shell.
The silencing device is characterized in that silencing materials are lined in a box body of an air inlet box 7, an opening of the air inlet box 7 faces upwards to form a 90-degree elbow, air flow is sucked into a motor 1 from the upper part, meanwhile, guide plates 8 are uniformly distributed and installed in the air inlet box 7, resistance loss of the air flow increased due to change of the direction of the air flow is reduced, each guide plate 8 is a silencing blade, silencing materials are filled in the guide plate, a perforated plate is covered on the surface of each guide plate, a silencing guide cone 2 is arranged in a current collector 4, silencing materials are filled in the conical body of the silencing guide cone 2, the perforated plate is covered on the surface of each guide plate, the current collector 4, a shell of the motor 1 and a shell of a silencing structure 9 of a diffuser are all arranged into a double-layer air cylinder, and two ends of the double-layer air cylinder are sealed by flanges; the distance between the double-layer air ducts is 50mm-60 mm.
The noise elimination structure is characterized in that noise elimination materials are lined inside the two layers of air cylinders, perforated plates are covered on the inner surface of the inner air cylinder, a noise elimination core cylinder 92 and a cylindrical silencer 94 are arranged inside the diffuser noise elimination structure 9, the cylindrical silencer 94 is arranged at the air outlet end, the loss of air flow is reduced, the noise elimination core cylinder 92 and the cylindrical silencer 94 are filled with the noise elimination materials, and the perforated plates are covered on the surfaces of the noise elimination core cylinder 92 and the cylindrical silencer 94, so that noise generated by the motor 1 and the impeller 3 rotating at high speed is comprehensively reduced through the double layers of air cylinders, the air inlet box 7, the guide plate 8, the noise elimination core cylinder 92 and the cylindrical silencer 94 at the outlet end, and the noise reaches within 85dB (A).
Compared with the related art, the mining ultra-low noise local counter-rotating axial flow ventilator device provided by the utility model has the following beneficial effects:
the high noise source that high-speed rotatory motor 1 and impeller 3 produced, its collector 4 is inside to set up the noise elimination water conservancy diversion awl 2, the air inlet end sets up 90 inlet box 7 further, the inside lining noise elimination material of inlet box 7, utilize the function of making an uproar falls in the elbow natural noise reduction of rectangle 90 degrees, the guide plate 8 in the inlet box 7 sets up to the noise elimination slice, compromise the function of water conservancy diversion reduction resistance loss and noise elimination of air current, control forms the air inlet side noise and exceeds standard and propagate because motor 1 drives impeller 3 and rotates, set up noise elimination core section of thick bamboo 92 and cylindric silencer 94 in diffuser amortization structure 9 at the air-out end of motor 1 and impeller 3, control motor 1 and impeller 3 air-out end noise that exceeds standard and reveal. The method combines sound absorption and noise elimination as main parts and sound insulation as auxiliary parts, achieves the purpose of noise reduction, can reduce the damage of noise to the hearing, vision and immune work of workers, and can promote no communication limitation among the workers through the reduction of the noise, thereby improving the probability of industrial accidents caused by unsmooth communication.
Second embodiment
Referring to fig. 4 and 5 in combination, based on the mining ultra-low noise local counter-rotating axial flow fan device provided by the first embodiment of the present application, a second embodiment of the present application proposes another mining ultra-low noise local counter-rotating axial flow fan device. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the difference that the local disrotatory axial flow fan device of mining ultralow noise that the second embodiment of this application provided lies in, a local disrotatory axial flow fan device of mining ultralow noise, standing groove 10 has all been seted up around the intake box 7 top, the inside of standing groove 10 is provided with connecting rod 11.
The top fixedly connected with fixed frame 12 of connecting rod 11, the inside fixedly connected with filter screen 14 of fixed frame 12.
Through filter 14 with outside air separation outside the air inlet box 7 when getting into air inlet box 7 to can fall the inside that the dust got into air inlet box 7, lead to inside other spare parts impaired, thereby reduced the maintenance cost in later stage.
The right side card of connecting rod 11 is equipped with the draw-in groove, draw-in groove and joint pole 131 looks adaptation, and the right-hand member of joint pole 131 sets up to slope triangle-shaped to unrestricted when can extrude the joint pole through connecting rod 11, the condition that leads to unable crowded moving appears.
The outer side of the clamping rod 131 is fixedly connected with a connecting column 132, and the outer side of the connecting column 132 is fixedly connected with a pull ring 133.
The working principle of the mining ultra-low noise local counter-rotating axial flow ventilator device provided by the utility model is as follows:
when air enters the inside of the air inlet box through the air inlet at the top of the air inlet box, the air passes through the filter screen so as to separate dust in the air.
Pile up too much dust when filter screen 14's surface leads to admitting air when not smooth and easy, pull ring 133 in fixed knot constructs 13 through manual outside pulling, atress through pull ring 133, thereby drive spliced pole 132 and joint pole 131 and remove, rethread joint pole 131's removal extrusion spring 134, make spring 134 take place elastic deformation, thereby rethread joint pole 131's removal breaks away from the joint state with the draw-in groove, thereby make connecting rod 11 lose the fixed state inside standing groove 10, thereby the fixed frame 12 of manual upwards pulling again drives filter screen 14 and connecting rod 11 and upwards moves, thereby make joint pole 131 break away from the standing groove, thereby take off filter screen 14, wash or change.
When installing filter screen 14, through the inside of aiming at standing groove 10 with connecting rod 11, inject connecting rod 11 into the inside of standing groove 10 again, and move down, thereby extrude joint pole 131 in fixed knot structure 13 through connecting rod 11, make joint pole 131 move to the outside, extrude spring 134 simultaneously, when entering into the inside of standing groove 10 that connecting rod 11 was accomplished, thereby make the draw-in groove correspond with the position of joint pole 131, elastic deformation through spring 134 impels joint pole 131 to move to the inboard, make joint pole 131 inject the inside of draw-in groove, thereby fix connecting rod 11, fixed frame 12 and filter screen 14 at the top of inlet box 7.
Compared with the related art, the mining ultra-low noise local counter-rotating axial flow ventilator device provided by the utility model has the following beneficial effects:
through pull ring 133 in the outside pulling fixed knot constructs 13 to drive spliced pole 312 and joint pole 131 and remove, the removal of rethread joint pole 131 breaks away from with the joint state of draw-in groove, upwards pulling fixed frame 12 again, thereby will drive filter screen 14 and connecting rod 11 and remove, break away from the state of fixing at the intake box 7 top, and easy operation, thereby can make things convenient for dismantling of staff to filter screen 14, change, provide work efficiency.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a mining ultralow noise part is to rotating axial fan device which characterized in that includes: an electric motor;
the silencing guide cone is fixedly arranged on the left side of the motor;
a current collector fixedly mounted on an outer side of the motor;
the silencing cylinder on the inner side of the current collector is fixedly arranged on the left side of the current collector;
the air inlet box is fixedly arranged at the left end of the silencing cylinder at the inner side of the current collector;
the silencer comprises a current collector, a diffuser silencing structure, a cylindrical silencer, a silencer inner side silencing tube and a silencer outer side silencing tube, wherein the diffuser silencing structure is fixedly arranged on the right side of the current collector and comprises a silencing core tube, the cylindrical silencer is fixedly arranged on the right side of the silencing core tube, the outer sides of the cylindrical silencer and the silencing core tube are provided with the diffuser inner side silencing tube, and the diffuser outer silencing tube is arranged on the outer side of the diffuser inner side silencing tube.
2. The mining ultra-low noise local contra-rotating axial flow fan device according to claim 1, wherein a flow guide plate is fixedly installed inside the air inlet box.
3. The mining ultra-low noise local contra-rotating axial flow ventilator device according to claim 1, wherein a collector external silencing cylinder is fixedly mounted on the outer side of the collector internal silencing cylinder.
4. The mining ultra-low noise partial disrotatory axial flow fan device according to claim 1, characterized in that, the inside of said motor is fixedly mounted with the impeller.
5. The mining ultra-low noise local contra-rotating axial flow fan device according to claim 1, wherein a placing groove is formed around the top of the air inlet box, and a connecting rod is arranged inside the placing groove.
6. The mining ultra-low noise local disrotatory axial flow fan device according to claim 5, characterized in that the top of said connecting rod is fixedly connected with a fixed frame, and the inside of said fixed frame is fixedly connected with a filter screen.
7. The mining ultra-low noise local contra-rotating axial flow fan device according to claim 5, wherein a fixing structure is fixedly mounted on each side of the air inlet box, the fixing structure comprises a clamping rod, and a spring is arranged on the surface of the clamping rod.
8. The mining ultra-low noise local contra-rotating axial flow ventilator device according to claim 7, wherein a connecting column is fixedly connected to the outer side of the clamping rod, and a pull ring is fixedly connected to the outer side of the connecting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751437.0U CN215409340U (en) | 2021-07-30 | 2021-07-30 | Mining ultralow-noise local disrotatory axial flow ventilator device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121751437.0U CN215409340U (en) | 2021-07-30 | 2021-07-30 | Mining ultralow-noise local disrotatory axial flow ventilator device |
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| CN215409340U true CN215409340U (en) | 2022-01-04 |
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| CN202121751437.0U Active CN215409340U (en) | 2021-07-30 | 2021-07-30 | Mining ultralow-noise local disrotatory axial flow ventilator device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837998A (en) * | 2022-05-23 | 2022-08-02 | 山东省章丘鼓风机股份有限公司 | Air inlet box of double-support ventilator |
| CN116517890A (en) * | 2023-06-27 | 2023-08-01 | 平安电气股份有限公司 | Ventilator adopting vacuum combined silencing structure |
-
2021
- 2021-07-30 CN CN202121751437.0U patent/CN215409340U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837998A (en) * | 2022-05-23 | 2022-08-02 | 山东省章丘鼓风机股份有限公司 | Air inlet box of double-support ventilator |
| CN114837998B (en) * | 2022-05-23 | 2023-12-08 | 山东省章丘鼓风机股份有限公司 | Double-support ventilator air inlet box |
| CN116517890A (en) * | 2023-06-27 | 2023-08-01 | 平安电气股份有限公司 | Ventilator adopting vacuum combined silencing structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A mining ultra-low noise local counter rotating axial flow fan device Granted publication date: 20220104 Pledgee: Cangzhou Bank Co.,Ltd. Yanjiao Branch Pledgor: Yanjing Equipment Manufacturing Co.,Ltd. Registration number: Y2024980009117 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |