CN107989829B - Mining fan safety cover - Google Patents
Mining fan safety cover Download PDFInfo
- Publication number
- CN107989829B CN107989829B CN201711300085.5A CN201711300085A CN107989829B CN 107989829 B CN107989829 B CN 107989829B CN 201711300085 A CN201711300085 A CN 201711300085A CN 107989829 B CN107989829 B CN 107989829B
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- fan
- rod
- sliding
- fixing
- main body
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
Abstract
The invention discloses a protective cover device for a mine fan, which is arranged on the fan and can be opened and closed along with the running state of the fan to protect the fan. Need not to dismantle, do not occupy the operation space to can open and shut automatically according to the running state of fan, effectively improve the protective effect to the fan. The novel twist machine is characterized in that a fixing plate is arranged in one end of a main body cylinder, two ends of the fixing plate are connected with the inner wall of the main body cylinder respectively, the middle of the fixing plate is arranged in a fixing ring, a connecting plate is arranged in the fixing ring through a fixing bearing, the connecting plate is of a circular plate-shaped structure, a magnet sheet is arranged on one side of the connecting plate, a rotating sleeve is arranged in the main body cylinder, the middle of one end of the connecting plate is connected with the middle of the other side of the connecting plate, threads are arranged on the inner wall of the rotating sleeve, one end of a twist rod is arranged in the rotating sleeve and is connected with the connecting plate through a spring, the other.
Description
Technical Field
The invention discloses a protective cover for a mine fan, relates to a protective cover device used on a coal mine and used for preventing dust of the mine fan, and belongs to the field of mining equipment. In particular to a protective cover device which is arranged on a fan and can be opened and closed along with the running state of the fan to protect the fan.
Background
At present, in the colliery field, when carrying out the borehole operation, the fan has important effect to the downhole ventilation, can effectively purify the operation environment, positive influence has to operation personnel's health, the operation environment is relatively poor in the pit usually, contain pollutants such as a large amount of dust in the air, the dust deposit is fallen on the fan and is caused the influence to its normal rotation, the dust of deposit on the flabellum blows out along the wind direction when the fan starts, pollute the operation environment, usually when the motor stops in order to prevent the dust deposit on the flabellum, traditional method adopts the cloth cover to cover the fan mouth, dismantle the cloth cover during the use again, it is comparatively troublesome to use this kind of method, it is extremely inconvenient to use, and cover the mode of covering to the fan section of thick bamboo through the apron, it is extremely inconvenient to deposit after dismantling the apron when using, occupy the operation space, the result of use is not good.
Disclosure of Invention
In order to improve the situation, the invention provides a protective cover device which is arranged on a fan and can be opened and closed along with the running state of the fan to protect the fan. Need not to dismantle, do not occupy the operation space to can open and shut automatically according to the running state of fan, effectively improve the protective effect to the fan.
The invention relates to a mining fan protection cover, which is realized by the following steps: the invention relates to a mine fan protection cover which comprises a main body device and an opening and closing device, wherein the main body device comprises a main body cylinder, a fixing ring, a connecting plate, a magnet piece, a fixed bearing and a fixing plate, the fixing plate is arranged in one end of the main body cylinder, two ends of the fixing plate are respectively connected with the inner wall of the main body cylinder, the fixing ring is arranged in the middle of the fixing plate, the connecting plate is arranged in the fixing ring through the fixed bearing, the connecting plate is of a circular plate-shaped structure, the magnet piece is arranged on one side of the connecting plate, the opening and closing device comprises a fixing shaft, a blade, a connecting rod, a sliding rod, a fixing sleeve, a fixing rod, a transmission rod, a sliding sleeve, a twist rod, a support rod, a rotating sleeve and a sliding groove, the rotating sleeve is arranged in the main body cylinder, one end of the rotating, the twist bar is in threaded fit with the rotating sleeve, a plurality of sliding grooves are formed in the twist bar, each sliding groove consists of two parts, the upper part of each sliding groove is an arc-shaped groove, the lower part of each sliding groove is a vertical groove, the fixing sleeve is sleeved at the other end of the twist bar and is positioned in the middle of the other end of the main body cylinder, the fixing sleeve is connected with the inner wall of the main body cylinder through two connecting rods, the inner wall of the fixing sleeve is not in contact with the twist bar, one end of each fixing shaft is arranged on the fixing sleeve through a supporting bearing, the other end of each fixing shaft is arranged on the main body cylinder through a supporting bearing, a torsion spring is sleeved on each fixing shaft, the included angle between every two adjacent fixing shafts is equal, the blades are arranged on the fixing shafts and are of a fan-shaped structure, a strip-shaped groove is formed in one side of each, the transmission rod is vertically arranged, one end of the sliding rod is vertically arranged at the other end of the transmission rod, the sliding rods are in one-to-one correspondence with the sliding grooves, the other end of the sliding rod is provided with a sliding bulge and is arranged in the upper part of the corresponding sliding groove, and the sliding sleeve is sleeved on the transmission rod and is connected with the inner wall of the main body cylinder through the supporting rod.
The above-mentioned and the following-mentioned "upper part" and "lower part" shall be referred to the "upper part" and "lower part" in fig. 1.
When the mining fan is protected, the main body cylinder is fixed on the fan inner cylinder, the connecting plate is fixed on the fan rotating shaft through the magnet piece, when the mining fan works, the connecting plate rotates along with the fan, the connecting plate drives the rotating sleeve and the twist rod to synchronously rotate, the twist rod drives the plurality of sliding grooves to rotate in the rotating process, the sliding bulges at the other ends of the plurality of sliding rods respectively slide downwards along the upper parts of the corresponding sliding grooves, the upper parts of the sliding grooves are arc-shaped grooves, the plurality of sliding rods respectively drive the connected transmission rods to downwards slide along the corresponding sliding sleeves, the plurality of transmission rods respectively drive the connected fixed rods to downwards move, the other ends of the plurality of fixed rods respectively slide along the strip-shaped grooves on the corresponding blades and drive the blades to downwards deflect, and the plurality of blades are gradually opened, when the sliding protrusions on the other ends of the plurality of sliding rods respectively slide downwards into the lower parts of the corresponding sliding grooves, because the lower part of the sliding groove is a vertical groove, and the sliding rods block the rotation of the twist rod, at the moment, the rotating sleeve continues to rotate, because the rotating sleeve is in threaded fit with the twist rod, the twist rod gradually moves upwards along the rotating sleeve, the spring on the twist rod extends, and after the twist rod slides out of the rotating sleeve, the blades are respectively kept in an opening state, when the fan stops rotating, the twist rod slides towards the rotating sleeve under the tension of the spring, the twist rods drive the sliding grooves to slide downwards, so that the sliding bulges on the sliding rods respectively slide along the corresponding sliding grooves in the reverse direction, the blades are reversely deflected, meanwhile, the fixed shaft drives the blades to reversely deflect under the action of the torsion spring, the blades are respectively closed, and then the fan is protected from dust after being stopped;
the sliding groove is composed of two parts, the upper part is an arc groove, the lower part is a vertical groove, the upper part is an arc groove, when the twist rod rotates along with the fan, the vanes can be opened by deflecting downwards without influencing the work of the fan, and the lower part is a vertical groove, so that the twist rod can be lifted upwards, and further, when the fan stops working, the twist rod can move reversely to drive the vanes to deflect and close reversely;
the design that the inner wall of the fixing sleeve is not in contact with the twist rod can ensure that the motion state of the twist rod does not influence the fixing sleeve, and the fixing sleeve can guide the twist rod to prevent the twist rod from deviating from the rotating sleeve;
the design that the torsion spring is sleeved on the fixed shaft can enable the fixed shaft to drive the blades to deflect reversely and close under the action of the torsion spring after the fan stops working, and the fan is continuously protected;
the blades are designed to be of a fan-shaped structure, so that a plurality of blades can form a closed complete circle after being closed, and further the fan is integrally protected;
the twist rod is matched with the rotating sleeve to drive the blades to deflect to protect the fan, so that the fan can be automatically protected after the fan stops along with the running state of the fan, the fan does not need to be disassembled, and the use is more convenient;
when the sliding rod slides along the sliding groove from top to bottom, the blades are opened, and when the sliding rod slides in the reverse direction, the blades are closed, so that the deflection of the blades can be adjusted along with the running state of the fan, manual adjustment is not needed, and the use is more convenient and rapid;
after the blades are opened, the twist rods do not rotate and rise upwards along the rotating sleeve, and can slide downwards into the rotating sleeve under the action of the tensile force of the spring after the fan stops working, so that the sliding rods respectively slide reversely to drive the blades to deflect and close in a reverse direction, and the fan is continuously protected from dust;
the dustproof device achieves the purpose of preventing dust for the mining fan when used in a coal mine.
Has the beneficial effects.
The structure is simple, and the device is convenient and practical.
And secondly, the disassembly is not needed, and the operation space is not occupied.
And thirdly, the fan can be automatically opened and closed according to the running state of the fan, and the protection effect on the fan is effectively improved.
Drawings
Fig. 1 is a schematic structural diagram of a protective cover of a mining fan.
In the attached drawings
Wherein the parts are: the device comprises a main body cylinder (1), a fixed shaft (2), blades (3), a connecting rod (4), a sliding rod (5), a fixed sleeve (6), a fixed rod (7), a transmission rod (8), a sliding sleeve (9), a twist rod (10), a support rod (11), a rotating sleeve (12), a fixed ring (13), a connecting plate (14), a magnet piece (15), a fixed bearing (16), a sliding groove (17) and a fixed plate (18).
The specific implementation mode is as follows:
the invention discloses a mine fan protection cover which is realized in such a way that when the mine fan protection cover is used, blades (3) are closed in a natural state, when the mine fan is protected, a main body cylinder (1) is fixed on an inner cylinder of a fan, a connecting plate (14) is fixed on a rotating shaft of the fan in an adsorbing way through a magnet sheet (15), when the mine fan works, the connecting plate (14) rotates along with the fan, the connecting plate (14) drives a rotating sleeve (12) and a twist rod (10) to synchronously rotate, the twist rod (10) drives a plurality of sliding grooves (17) to rotate in the rotating process, then sliding bulges on the other ends of a plurality of sliding rods (5) respectively slide downwards along the upper parts of the corresponding sliding grooves (17), and as the upper parts of the sliding grooves (17) are arc-shaped grooves, then the plurality of sliding rods (5) respectively drive connected transmission rods (8) to downwards slide along the corresponding sliding sleeves (9), the plurality of transmission rods (8) respectively drive the connected fixed rods (7) to move downwards, the other ends of the plurality of fixed rods (7) respectively slide along the strip-shaped grooves on the corresponding blades (3) and drive the blades (3) to deflect downwards, and then the plurality of blades (3) are gradually opened, when the sliding bulges at the other ends of the plurality of sliding rods (5) respectively slide downwards into the lower parts of the corresponding sliding grooves (17), because the lower parts of the sliding grooves (17) are vertical grooves, and then the plurality of sliding rods (5) block the rotation of the twist rod (10), at the moment, the rotating sleeve continues to rotate, because the rotating sleeve is in threaded fit with the twist rod (10), and then the twist rod (10) gradually moves upwards along the rotating sleeve, the spring on the twist rod (10) extends, after the twist rod (10) slides out of the rotating sleeve, the plurality of blades (3) respectively keep an open state, when the fan stops rotating, the twist rod (10) slides in the rotating sleeve under the tension of the spring, and then the twist rod (10) drives the sliding grooves (17) to slide downwards, so that the sliding bulges on the sliding rods (5) slide reversely along the corresponding sliding grooves (17) respectively, and further the blades (3) deflect reversely, meanwhile, the fixed shaft (2) drives the blades (3) to deflect reversely under the action of the torsion spring, the blades (3) are closed respectively, and then the fan is protected from dust after being stopped;
the sliding groove (17) is composed of two parts, the upper part is an arc groove, the lower part is a vertical groove, the upper part is the arc groove, when the twist rod (10) rotates along with the fan, the vanes (3) can deflect downwards to be opened without influencing the work of the fan, and the lower part is the vertical groove, so that the twist rod (10) can be lifted upwards, and further, when the fan stops working, the vanes (3) can be driven to deflect reversely to be closed;
the design that the inner wall of the fixed sleeve (6) is not contacted with the twist rod (10) can ensure that the movement state of the twist rod (10) does not influence the fixed sleeve (6), and the fixed sleeve (6) can guide the twist rod (10) to prevent the twist rod from deviating and rotating;
the design that the torsion spring is sleeved on the fixed shaft (2) can drive the blades (3) to deflect and close in the reverse direction under the action of the torsion spring after the fan stops working, and the fan is continuously protected;
the blades (3) are designed to be of a fan-shaped structure, so that a plurality of blades (3) can form a closed complete circle after being closed, and further the fan is integrally protected;
the twist rod (10) is matched with the rotating sleeve to drive the blade (3) to deflect to protect the fan, the fan can be automatically protected after the fan stops along with the running state of the fan, and the fan is not required to be disassembled and is convenient to use;
when the sliding rod (5) slides from top to bottom along the sliding groove (17), the blade (3) is opened, and when the sliding rod slides in the reverse direction, the blade (3) is closed, so that the deflection of the blade (3) can be adjusted along with the running state of the fan, manual adjustment is not needed, and the use is more convenient and rapid;
after the blades (3) are opened, the twist rods (10) do not rotate and rise upwards along the rotating sleeve, and can slide downwards into the rotating sleeve under the action of the tensile force of the spring after the fan stops working, so that the sliding rods (5) respectively slide in opposite directions to drive the blades (3) to deflect in opposite directions and close, and the fan is continuously protected from dust;
the dustproof device achieves the purpose of preventing dust for the mining fan when used in a coal mine.
Claims (8)
1. The utility model provides a mining fan safety cover which characterized by: the device comprises a main body device and an opening and closing device, wherein the main body device comprises a main body cylinder, a fixing ring, a connecting plate, a magnet piece, a fixing bearing and a fixing plate, the fixing plate is arranged in one end of the main body cylinder, two ends of the fixing plate are respectively connected with the inner wall of the main body cylinder, the fixing ring is arranged in the middle of the fixing plate, the connecting plate is arranged in the fixing ring through the fixing bearing, the connecting plate is of a circular plate-shaped structure, the magnet piece is arranged on one side of the connecting plate, the opening and closing device comprises a fixing shaft, blades, a connecting rod, a sliding rod, a fixing sleeve, a fixing rod, a transmission rod, a sliding sleeve, a twist rod, a supporting rod, a rotating sleeve and a sliding groove, the rotating sleeve is arranged in the main body cylinder, one end of the rotating sleeve is connected with the middle of the other side of the, the twist rod is provided with a plurality of sliding grooves, the fixing sleeve is sleeved on the other end of the twist rod and is positioned in the middle of the other end of the main body cylinder, the fixed sleeve is connected with the inner wall of the main body cylinder through two connecting rods, one end of each fixed shaft is arranged on the fixed sleeve through a supporting bearing, the other end of each fixed shaft is arranged on the main body cylinder through a supporting bearing, the blades are arranged on the fixed shafts, one side of the blade close to the fixed sleeve is provided with a strip-shaped groove, one end of the fixed rod is arranged in the strip-shaped groove, one end of the transmission rod is vertically arranged on the other end of the fixed rod, the transmission rod is vertically arranged, one end of the sliding rod is vertically arranged on the other end of the transmission rod, the sliding rods are in one-to-one correspondence with the sliding grooves, the other end of the sliding rod is provided with a sliding bulge, and is arranged in the upper part of the corresponding sliding groove, and the sliding sleeve is sleeved on the transmission rod and is connected with the inner wall of the main body cylinder through the supporting rod.
2. The mining fan protection cover according to claim 1, wherein the sliding groove is composed of two parts, an upper part is an arc-shaped groove, and a lower part is a vertical groove.
3. The mining fan protection cover according to claim 1, wherein the inner wall of the fixing sleeve is not in contact with the knurl bar.
4. The mining fan protection cover according to claim 1, wherein a torsion spring is sleeved on the fixed shaft.
5. The mining fan protection cover according to claim 1, wherein the included angle between two adjacent fixed shafts is equal.
6. The mining fan protection cover according to claim 1, wherein the blades are of a fan-shaped structure, so that the blades can form a closed full circle after being closed, and further the fan is protected integrally.
7. The mining fan protection cover according to claim 1, wherein the twist rod is matched with the rotating sleeve to drive the blades to deflect so as to protect the fan, the fan protection cover can follow the running state of the fan, and the fan protection cover can automatically protect the fan after the fan stops.
8. The mining fan protection cover according to claim 1, wherein when the sliding rod slides along the sliding groove from top to bottom, the blade is opened, and when the sliding rod slides in the reverse direction, the blade is closed, so that the deflection of the blade can be adjusted along with the running state of the fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300085.5A CN107989829B (en) | 2017-12-10 | 2017-12-10 | Mining fan safety cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711300085.5A CN107989829B (en) | 2017-12-10 | 2017-12-10 | Mining fan safety cover |
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| Publication Number | Publication Date |
|---|---|
| CN107989829A CN107989829A (en) | 2018-05-04 |
| CN107989829B true CN107989829B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711300085.5A Active CN107989829B (en) | 2017-12-10 | 2017-12-10 | Mining fan safety cover |
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| CN109036026B (en) * | 2018-08-15 | 2020-10-30 | 诸葛佳缘 | Physics water pressure taste teaching demonstration apparatus |
| CN109925144B (en) * | 2019-04-30 | 2021-11-02 | 河南科技大学第一附属医院 | Nursing bed for rehabilitation of gastroenterology department |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090125A (en) * | 2015-09-08 | 2015-11-25 | 天津尼特风机有限公司 | Fan equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1840386A1 (en) * | 2006-03-31 | 2007-10-03 | ABB Turbo Systems AG | Pre-swirl device |
| TWI418711B (en) * | 2010-11-25 | 2013-12-11 | Ind Tech Res Inst | A mechanism for modulating diffuser vane of diffuser |
| CN102996522B (en) * | 2012-11-26 | 2015-04-08 | 浙江盾安人工环境股份有限公司 | linkage structure of adjustable guide vanes and adjustable diffuser as well as centrifugal refrigerating compressor |
| CN103291377B (en) * | 2013-06-25 | 2015-05-27 | 上海交通大学 | Gas compressor multistage stationary blade rigid adjusting mechanism |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090125A (en) * | 2015-09-08 | 2015-11-25 | 天津尼特风机有限公司 | Fan equipment |
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| CN107989829A (en) | 2018-05-04 |
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Effective date of registration: 20200930 Address after: 221000 1-501, building loftc, West Greenland Business City, Hanyuan Avenue, Yunlong District, Xuzhou City, Jiangsu Province Applicant after: XUZHOU XINNANHU TECHNOLOGY Co.,Ltd. Address before: 221008 Jiangsu province Xuzhou Quanshan District Science and technology building a layer of Technology Property Trading Center Applicant before: Sun Jingrong |
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