CN112112826A - Fan cover plate device - Google Patents
Fan cover plate device Download PDFInfo
- Publication number
- CN112112826A CN112112826A CN202010923359.1A CN202010923359A CN112112826A CN 112112826 A CN112112826 A CN 112112826A CN 202010923359 A CN202010923359 A CN 202010923359A CN 112112826 A CN112112826 A CN 112112826A
- Authority
- CN
- China
- Prior art keywords
- cover plate
- blower
- locking cylinder
- guide wheel
- steel wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/32—Detent devices
- B66D5/34—Detent devices having latches
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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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of fans, and discloses a fan cover plate device which comprises a fan lifting seat, a cover plate, a steel wire rope, a manual winch, a fixed seat, a first guide wheel, a second guide wheel, a locking cylinder and a compressed air source, wherein the fan lifting seat is arranged on a fan, the cover plate is hinged with the fan lifting seat, the fixed seat and the first guide wheel are fixedly arranged, the second guide wheel is arranged on the top surface of the cover plate, the first end of the steel wire rope is wound on a winding drum of the manual winch, the end part of the steel wire rope extends out of the winding drum, the end part of the steel wire rope is provided with a positioning ring, the second end of the steel wire rope is sequentially and movably wound on the first guide wheel and the second guide wheel, the end part of the steel wire rope is fixedly connected with; when the cover plate is opened, a piston rod of the locking cylinder extends out and penetrates into the positioning ring; when the cover plate is closed, the piston rod of the locking cylinder contracts and is separated from the positioning ring. The cover plate is safe and reliable to open and close, convenient to operate, simple in structure and capable of meeting the requirement of fire separation.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a fan cover plate device.
Background
The terminal protection against rodents net that needs set up of ventilation pipeline of fire prevention region in shipbuilding, because protection against rodents net leads to ordinary apron can't laminate with the fan, can't cut off the fire source completely like this when starting a fire, and the apron breaks down easily through electric drive moreover, and the reliability is not high.
Disclosure of Invention
The invention aims to provide a fan cover plate device which is safe, reliable and simple in structure.
In order to achieve the above object, the present invention provides a fan cover plate device, which includes a fan lifting seat, a cover plate, a steel wire rope, a manual winch, a fixed seat, a first guide wheel, a second guide wheel, a locking cylinder and a compressed air source, wherein the fan lifting seat is installed on a fan, the cover plate is hinged to the fan lifting seat, the fixed seat and the first guide wheel are fixedly arranged and located above the fan lifting seat, the second guide wheel is arranged on the top surface of the cover plate, a first end of the steel wire rope is wound on a winding drum of the manual winch along a circumferential direction of the winding drum, and an end of the steel wire rope extends out of the winding drum, a positioning ring is arranged at a first end of the steel wire rope, a second end of the steel wire rope is sequentially and movably wound on the first guide wheel and the second guide wheel, and is fixedly connected with the fixed seat, a cylinder body of the locking cylinder is fixedly arranged, a valve is arranged between the compressed air source and the air inlet end of the locking cylinder, and a piston rod of the locking cylinder can penetrate into the positioning ring when extending out; when the cover plate is opened, a piston rod of the locking cylinder extends out and penetrates into the positioning ring; when the cover plate is closed, the piston rod of the locking cylinder contracts and is separated from the positioning ring.
As a preferable scheme of the invention, a sealing ring plate is arranged at the top of the fan lifting seat, a plurality of convex rings are annularly arranged on the sealing ring plate, a plurality of convex rings are radially arranged on the sealing ring plate at intervals, and a plurality of grooves matched with the convex rings are arranged on the cover plate.
In a preferred embodiment of the present invention, the groove and/or the convex ring is provided with a sealing strip.
As the preferable scheme of the invention, a rat-proof net is arranged in the fan lifting seat.
As the preferable scheme of the invention, a positioning annular plate is arranged in the fan lifting seat, and the ratproof net is connected with the positioning annular plate through a bolt.
In a preferred embodiment of the present invention, the second guide wheel is provided in plurality and is located on the same horizontal plane.
In a preferred embodiment of the present invention, the lock cylinder is a single-acting cylinder.
As a preferable scheme of the present invention, the locking cylinder is fixedly installed on an installation plate, the installation plate is fixedly installed, two limit rings are installed on the installation plate, when the cover plate is opened, the limit rings are located between the two limit rings, and a piston rod of the locking cylinder sequentially passes through one limit ring, the limit ring and the other limit ring.
As a preferable scheme of the present invention, a hinge is disposed between the cover plate and the fan lifting seat, the hinge includes a first hinge plate fixedly connected to a middle portion of the fan lifting seat and a second hinge plate fixedly connected to the cover plate, and the first hinge plate is L-shaped.
As a preferable scheme of the invention, the bottom of the fan lifting seat is provided with a flange.
Compared with the prior art, the fan cover plate device provided by the embodiment of the invention has the beneficial effects that:
when the cover plate is closed, the compressed air source is separated from the air inlet end of the locking cylinder through the valve, the piston rod of the locking cylinder is contracted, the piston rod is separated from the fixing ring, and the cover plate covers the fan lifting seat downwards under the action of gravity and drives the winding drum on the manual winch to rotate to release the steel wire rope; when the cover plate is opened, the released steel wire rope is rewound onto the winding drum through the manual winch to open the cover plate, the position of the positioning ring on the first end of the steel wire rope corresponds to the piston rod of the locking cylinder, the compressed air source is communicated with the air inlet end of the locking cylinder through the valve, the piston rod of the locking cylinder extends out and penetrates through the fixing ring at the same time, the winding drum cannot rotate in a free state, and the cover plate is kept in an open state; the cover plate is safe and reliable to open and close, convenient to operate, safe and reliable, and simple in structure, and meets the requirement of fire separation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
FIG. 1 is a top view of a fan cover plate apparatus provided in accordance with the present invention;
FIG. 2 is a schematic view of the blower cover device with the cover open;
FIG. 3 is a schematic view of the blower flap arrangement with the flap closed;
FIG. 4 is a schematic structural view of a fan lifting seat;
in the figure, 1 is a fan lifting seat; 11 is a sealing ring plate; 12 is a convex ring; 13 is a rat-proof net; 14 is a positioning annular plate; 15 is a flange plate; 16 is a handle; 2 is a cover plate; 3 is a steel wire rope; 31 is a positioning ring; 4, a manual winch; 51 is a fixed seat; 52 is a first guide wheel; 53 is a second guide wheel; 6 is a locking cylinder; 7 is a valve; 8 is a mounting plate; 81 is a limit ring; and 9 is a hinge.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 to 4, a blower fan cover plate device according to a preferred embodiment of the present invention includes a blower fan lifting seat 1, a cover plate 2, a steel wire rope 3, a manual winding machine 4, a fixing seat 51, a first guide wheel 52, a second guide wheel 53, a locking cylinder 6 and a compressed air source, wherein the blower fan lifting seat 1 and the cover plate 2 are both made of steel, the blower fan lifting seat 1 is mounted on a blower fan, the cover plate 2 is hinged to the blower fan lifting seat 1, the fixing seat 51 and the first guide wheel 52 are fixedly disposed above the blower fan lifting seat 1, the second guide wheel 53 is disposed on the top surface of the cover plate 2, a first end of the steel wire rope 3 is wound on a winding drum of the manual winding machine 4 along a circumferential direction of the winding drum, and an end of the steel wire rope extends out of the winding drum, a positioning ring 31 is disposed at a first end of the steel wire rope 3, and a second end of the steel wire rope 3 is sequentially and movably wound on the first guide wheel 52 and the second guide wheel 53, and an The locking cylinder 6 is characterized in that the fixed seat 51 is fixedly connected, the cylinder body of the locking cylinder 6 is fixedly arranged, the compressed air source is connected with the air inlet end of the locking cylinder 6, a two-position three-way manual reversing valve is arranged between the compressed air source and the air inlet end of the locking cylinder 6, and the on-off of air supply of the locking cylinder 6 by the compressed air source is controlled through the two-position three-way manual reversing valve, wherein the locking cylinder 6 is preferably a single-acting cylinder; the piston rod of the locking cylinder 6 can penetrate into the positioning ring 31 when being extended; when the cover plate 2 is opened, the piston rod of the locking cylinder 6 extends out and penetrates into the positioning ring 31; when the cover plate 2 is closed, the piston rod of the locking cylinder 6 contracts and is separated from the positioning ring 31; and the second guide wheels 53 are provided in plurality and are on the same horizontal plane and on the same straight line, so that the movement stability of the steel wire rope 3 is improved. Specifically, the cover plate 2 is provided with a handle 16.
Illustratively, a sealing ring plate 11 is arranged at the top of the fan lifting seat 1, a plurality of protruding rings 12 are annularly arranged on the sealing ring plate 11, a plurality of protruding rings 12 are radially arranged on the sealing ring plate 11 at intervals, a plurality of grooves matched with the protruding rings 12 are arranged on the cover plate 2, and the cover plate 2 and the sealing ring plate 11 are matched to ensure air tightness.
Furthermore, the groove or/and the convex ring 12 are/is provided with a sealing strip, so that the sealing property between the cover plate 2 and the fan lifting seat 1 can be further improved.
Exemplarily, be equipped with protection against rodents net 13 in fan rising seat 1, specifically, fan rising seat 1 is equipped with holding ring 31 shaped plate 14, protection against rodents net 13 through the bolt with holding ring 31 shaped plate 14 is connected, can avoid animals such as mouse to get into the fan and influence the normal operation of fan and protection against rodents net 13 and change conveniently.
Exemplarily, locking cylinder 6 fixed mounting is on mounting panel 8, mounting panel 8 is fixed setting, be equipped with two spacing rings 81 on the mounting panel 8, and be equipped with the connecting rod on the piston rod of locking cylinder 6, when apron 2 is opened, holding ring 31 is located two between the spacing ring 81, just connecting rod on the piston rod of locking cylinder 6 passes a spacing ring 81, holding ring 31 and another spacing ring 81 in proper order, avoids holding ring 31 slippage from the connecting rod and leads to apron 2 mistake to close.
Exemplarily, a hinge 9 is arranged between the cover plate 2 and the fan lifting seat 1, the hinge 9 includes a first hinge 9 plate fixedly connected to the middle of the fan lifting seat 1 and a second hinge 9 plate fixedly connected to the cover plate 2, and the first hinge 9 plate is L-shaped, so as to facilitate connection between the cover plate 2 and the fan lifting seat 1.
Illustratively, the bottom of the fan lifting seat 1 is provided with a flange 15, the fan lifting seat 1 is conveniently fixed on a fan through the flange 15, and in addition, a sealing gasket is arranged between the flange 15 and the fan to ensure the sealing performance between the fan lifting seat 1 and the fan.
In conclusion, when the cover plate 2 is closed, the compressed air source is separated from the air inlet end of the locking cylinder 6 through the valve 7, the piston rod of the locking cylinder 6 is contracted, and the piston rod is separated from the fixing ring, and the cover plate 2 covers the fan lifting seat 1 downwards under the action of gravity and drives the winding drum on the manual winding machine 4 to rotate to release the steel wire rope 3; when the cover plate 2 is opened, the released steel wire rope 3 is rewound onto the winding drum through the manual winch 4, so that the cover plate 2 is opened, the positioning ring 31 on the first end of the steel wire rope 3 corresponds to the piston rod of the locking cylinder 6, the compressed air source is communicated with the air inlet end of the locking cylinder 6 through the valve 7, the piston rod of the locking cylinder 6 extends out and penetrates through the fixing ring, the winding drum cannot rotate in a free state, and the cover plate 2 is kept in an opened state; the cover plate 2 is safe and reliable to open and close, convenient to operate, safe and reliable, simple in structure and capable of meeting the requirement of fire separation.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. A fan cover plate device is characterized by comprising a fan lifting seat, a cover plate, a steel wire rope, a manual winch, a fixed seat, a first guide wheel, a second guide wheel, a locking cylinder and a compressed air source, wherein the fan lifting seat is installed on a fan, the cover plate is hinged with the fan lifting seat, the fixed seat and the first guide wheel are fixedly arranged and are positioned above the fan lifting seat, the second guide wheel is arranged on the top surface of the cover plate, the first end of the steel wire rope is wound on a winding drum of the manual winch along the circumferential direction of the winding drum, the end part of the steel wire rope extends out of the winding drum, the end part of the first end of the steel wire rope is provided with a positioning ring, the second end of the steel wire rope sequentially and movably winds the first guide wheel and the second guide wheel, the end part of the steel wire rope is fixedly connected with the fixed seat, and the cylinder body of the locking cylinder is, a valve is arranged between the compressed air source and the air inlet end of the locking cylinder, and a piston rod of the locking cylinder can penetrate into the positioning ring when extending out; when the cover plate is opened, a piston rod of the locking cylinder extends out and penetrates into the positioning ring; when the cover plate is closed, the piston rod of the locking cylinder contracts and is separated from the positioning ring.
2. The blower cover plate assembly of claim 1, wherein a sealing ring plate is disposed on a top of the blower lifting seat, a plurality of protruding rings are disposed on the sealing ring plate, a plurality of protruding rings are radially spaced on the sealing ring plate, and a plurality of grooves adapted to the protruding rings are disposed on the cover plate.
3. The blower cover plate device according to claim 2, wherein a sealing strip is provided on the groove or/and the convex ring.
4. The blower flap arrangement of claim 1 wherein a rat guard is provided within the blower riser.
5. The blower cover plate device according to claim 4, wherein a positioning annular plate is arranged in the blower lifting seat, and the rat guard is connected with the positioning annular plate through a bolt.
6. The blower cover plate device according to claim 1, wherein the second guide wheel is provided in plurality and on the same horizontal plane.
7. The blower flap arrangement of claim 1, wherein the locking cylinder is a single-acting cylinder.
8. The blower cover plate device according to claim 1, wherein the locking cylinder is fixedly mounted on a mounting plate, the mounting plate is fixedly disposed, two limiting rings are disposed on the mounting plate, when the cover plate is opened, the positioning ring is disposed between the two limiting rings, and a piston rod of the locking cylinder sequentially passes through one limiting ring, the positioning ring and the other limiting ring.
9. The blower flap assembly of claim 1 wherein a hinge is disposed between the flap and the blower riser, the hinge comprising a first hinge plate fixedly attached to a middle portion of the blower riser and a second hinge plate fixedly attached to the flap, the first hinge plate being L-shaped.
10. The blower flap assembly of claim 1 wherein a flange is provided on the bottom of the blower riser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923359.1A CN112112826A (en) | 2020-09-04 | 2020-09-04 | Fan cover plate device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010923359.1A CN112112826A (en) | 2020-09-04 | 2020-09-04 | Fan cover plate device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112112826A true CN112112826A (en) | 2020-12-22 |
Family
ID=73801795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010923359.1A Pending CN112112826A (en) | 2020-09-04 | 2020-09-04 | Fan cover plate device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112112826A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523021Y2 (en) * | 1975-07-21 | 1980-05-31 | ||
| CN203604233U (en) * | 2013-11-29 | 2014-05-21 | 大连船舶重工集团有限公司 | Engine room fan air inlet closing device |
| KR20190048102A (en) * | 2017-10-30 | 2019-05-09 | 엠티코리아(주) | Vessel ventilation apparatus easy to auto opening and shutting |
| CN111483586A (en) * | 2020-04-26 | 2020-08-04 | 中船黄埔文冲船舶有限公司 | Hatch structure with fireproof air brake |
-
2020
- 2020-09-04 CN CN202010923359.1A patent/CN112112826A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5523021Y2 (en) * | 1975-07-21 | 1980-05-31 | ||
| CN203604233U (en) * | 2013-11-29 | 2014-05-21 | 大连船舶重工集团有限公司 | Engine room fan air inlet closing device |
| KR20190048102A (en) * | 2017-10-30 | 2019-05-09 | 엠티코리아(주) | Vessel ventilation apparatus easy to auto opening and shutting |
| CN111483586A (en) * | 2020-04-26 | 2020-08-04 | 中船黄埔文冲船舶有限公司 | Hatch structure with fireproof air brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201222 |
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| RJ01 | Rejection of invention patent application after publication |