CN110487077A - A kind of fire door safe locking device - Google Patents
A kind of fire door safe locking device Download PDFInfo
- Publication number
- CN110487077A CN110487077A CN201910762156.6A CN201910762156A CN110487077A CN 110487077 A CN110487077 A CN 110487077A CN 201910762156 A CN201910762156 A CN 201910762156A CN 110487077 A CN110487077 A CN 110487077A
- Authority
- CN
- China
- Prior art keywords
- pressure pipe
- sealing plate
- locking mechanism
- pressure
- fire door
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Special Wing (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The present invention provides a kind of fire door safe locking device, it is related to melting furnace field, including hermatic door, the hermatic door includes sealing plate, pressure apparatus is equipped in the middle part of the sealing plate, the pressure apparatus includes the pressure pipe through sealing plate, the piston being slidably connected with it is equipped in the pressure pipe, control mechanism is connected at the top of the pressure pipe, the control mechanism and locking mechanism are sequentially connected, the locking mechanism is pneumatically connected with pressure apparatus, the locking mechanism is slidably connected with sealing plate, the pressure pipe side is connected to slide cartridge, the slide cartridge is slidably connected with locking mechanism.In the present invention, move piston in pressure pipe using furnace pressure, thus the air in compression pressure pipe, locking mechanism is moved using the differential pressure action inside and outside pressure pipe, so as to make locking mechanism connect even closer with fire door by sealing plate, increasing locking force is safer.
Description
Technical field
The present invention relates to melting furnace field more particularly to a kind of fire door safe locking devices.
Background technique
Melting furnace is widely used in metal smelt, and in metal smelt, in-furnace temperature causes in furnace up to 1,000 degree or more
Pressure rise, due to fire door with fire door by the way of being flexibly connected, bearing capacity is lower compared to other parts in furnace, if
Locking device loosens in smelting process, and furnace pressure release is easy to cause major accident, therefore for the company of fire door and fire door
It connects mode and lock mode is particularly important.
Existing lock mode is mostly that the mode for being connected by screw bolts or being clamped locks, and not only connection is laborious and locking is inadequate
Stablize.
Summary of the invention
The purpose of the present invention is to provide a kind of fire door safe locking devices, to solve the above technical problems.
The present invention using following technical scheme in order to solve the above technical problems, realized: a kind of fire door safe locking device,
Including hermatic door, the hermatic door includes sealing plate, and pressure apparatus is equipped in the middle part of the sealing plate, and the pressure apparatus includes passing through
The pressure pipe of sealing plate is worn, the piston being slidably connected with it is equipped in the pressure pipe, is connected with control at the top of the pressure pipe
Mechanism, the control mechanism and locking mechanism are sequentially connected, and the locking mechanism is pneumatically connected with pressure apparatus, the locking machine
Structure is slidably connected with sealing plate, and the pressure pipe side is connected to slide cartridge, and the slide cartridge is slidably connected with locking mechanism.
Preferably, the pressure pipe bottom end opening, the bottom end positioned at the pressure inside pipe wall is fixedly connected with retaining ring, described
It is equipped with rod aperture at the top of pressure pipe, is fixedly connected to slide cartridge, the cunning positioned at the pressure pipe and the upper and lower side in sealing plate junction
It is connected to inside cylinder one end and pressure pipe.
Preferably, the locking mechanism includes the sliding plug being slidably connected with slide cartridge inner wall, and the sliding plug is fixed with connecting rod
Connection, the connecting rod pass through slide cartridge outer end and are fixedly connected with chuck.
Preferably, the chuck shape is 90 degree of arc angle hollow discoid, and the chuck vertical section is rectangle.
Preferably, the slide cartridge on the upside of the sealing plate is equipped with through-hole, and the through-hole is located at what sliding plug was connect with connecting rod
Side is connected between two slide cartridges being aligned on the upper and lower two sides vertical direction of sealing plate, the connecting hole by connecting hole
Positioned at the side that sliding plug is connect with connecting rod.
Preferably, the control mechanism includes the bull stick with the rotation connection of pressure pipe top, and the bull stick top is fixed to be connected
It is connected to turntable, the bull stick bottom end is fixedly connected with line wheel, steel cable is wound in the line wheel, on described steel cable one end and sliding plug
The opposite side connecting with connecting rod is fixedly connected.
The beneficial effects of the present invention are:
In the present invention, by the way that pressure apparatus is arranged in the middle part of sealing plate, move piston in pressure pipe using furnace pressure
It is dynamic, so that the air in compression pressure pipe, moves locking mechanism using the differential pressure action inside and outside pressure pipe, so as to make to lock
Determine mechanism and sealing plate is connect even closer with fire door, increases locking force；Bi-directional locking arrangement is set, inside and outside sealing plate
Slide cartridge connection can make to be connected on the right side of the cunning sliding plug in slide cartridge with outside, so as to generate draught head；By control mechanism and lock
Determine mechanism connection, is opened convenient for controlling locking mechanism by rotation bull stick.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is the schematic perspective view of locking mechanism of the present invention；
Appended drawing reference: 1, sealing plate；101, connecting hole；2, pressure apparatus；201, pressure pipe；202, slide cartridge；2021, lead to
Hole；203, retaining ring；3, locking mechanism；301, chuck；302, connecting rod；303, sliding plug；4, control mechanism；401, turntable；402,
Bull stick；403, line wheel；5, piston；6, steel cable.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiments and the drawings are closed, the present invention is further explained, and however, the following embodiments are merely preferred embodiments of the present invention, not
All.Based on the implementation example in the implementation mode, those skilled in the art are obtained without making creative work
Other embodiments belong to protection scope of the present invention.
Specific embodiments of the present invention are described with reference to the accompanying drawing.
Embodiment 1
A kind of fire door safe locking device as shown in Figs. 1-3, including hermatic door, hermatic door include sealing plate 1, sealing plate 1
Middle part is equipped with pressure apparatus 2, and pressure apparatus 2 includes the pressure pipe 201 through sealing plate 1, is equipped in pressure pipe 201 and slides with it
The piston 5 of connection is connected with control mechanism 4 at the top of pressure pipe 201, and control mechanism 4 and locking mechanism 3 are sequentially connected, and locks machine
Structure 3 is pneumatically connected with pressure apparatus 2, and locking mechanism 3 is slidably connected with sealing plate 1, and 201 side of pressure pipe is connected to slide cartridge 202,
Slide cartridge 202 is slidably connected with locking mechanism 3, and 201 bottom end opening of pressure pipe, the bottom end positioned at 201 inner wall of pressure pipe is fixedly connected
There is retaining ring 203, is equipped with rod aperture at the top of pressure pipe 201, is fixedly connected with positioned at pressure pipe 201 and the upper and lower side in 1 junction of sealing plate
There is slide cartridge 202, be connected to inside 202 one end of slide cartridge and pressure pipe 201, locking mechanism 3 includes being slidably connected with 202 inner wall of slide cartridge
Sliding plug 303, sliding plug 303 are fixedly connected with connecting rod 302, and connecting rod 302 passes through 202 outer end of slide cartridge and is fixedly connected with chuck 301.
In sealing, sealing plate 1 is placed in fire door, is bonded 1 side of sealing plate with furnace wall, and makes 1 upside of sealing plate
Locking mechanism 3 be located at furnace outer wall, the locking mechanism 3 of 1 downside of sealing plate is located at furnace inner wall, makes the cunning in locking mechanism 3 later
Plug 303 is mobile to 202 outer end of slide cartridge, and the chuck 301 that connecting rod 302 can be made to connect, which is stuck on furnace wall, keeps sealing plate 1 and furnace
It is mouthful fixed, when boosting in furnace, the piston 5 of 201 bottom end of pressure pipe in furnace with moved under the action of draught head in pressure pipe 201
It is dynamic, compress the air in pressure pipe 201, compressed air generates the thrust to 202 outside of slide cartridge to sliding plug 303, makes to lock
Mechanism 3 to extending on the outside of slide cartridge 202, avoids loosening, and locking mechanism 3 is to needed for 202 medial movement of slide cartridge strongerly
Power constantly increase as furnace pressure increases, make to lock stronger, chuck 301 is stuck in the connection of fire door Yu sealing plate 1
Place makes sealing plate 1 keep relatively fixed with fire door, can make the connection between sealing plate 1 and fire door more using furnace pressure
Securely, safety is higher.
Embodiment 2
As shown in Figure 1-3, a kind of fire door safe locking device, including hermatic door, hermatic door include sealing plate 1, sealing plate 1
Middle part is equipped with pressure apparatus 2, and pressure apparatus 2 includes the pressure pipe 201 through sealing plate 1, is equipped in pressure pipe 201 and slides with it
The piston 5 of connection is connected with control mechanism 4 at the top of pressure pipe 201, and control mechanism 4 and locking mechanism 3 are sequentially connected, and locks machine
Structure 3 is pneumatically connected with pressure apparatus 2, and locking mechanism 3 is slidably connected with sealing plate 1, and 201 side of pressure pipe is connected to slide cartridge 202,
Slide cartridge 202 is slidably connected with locking mechanism 3, and 301 shape of chuck is 90 degree of arc angle hollow discoid, and 301 vertical section of chuck is
The slide cartridge 202 of rectangle, 1 upside of sealing plate is equipped with through-hole 2021, and through-hole 2021 is located at what sliding plug 303 was connect with connecting rod 302
Side is connected between two slide cartridges 202 being aligned on the upper and lower two sides vertical direction of sealing plate 1, connecting hole by connecting hole 101
101 are located at the side that sliding plug 303 is connect with connecting rod 302, and control mechanism 4 includes turn with the rotation connection of 201 top of pressure pipe
Bar 402,402 top of bull stick are fixedly connected with turntable 401, and 402 bottom end of bull stick is fixedly connected with line wheel 403, winds in line wheel 403
There is steel cable 6, the opposite side connecting on 6 one end of steel cable and sliding plug 303 with connecting rod 302 is fixedly connected.
When closing sealing plate 1, turntable 401 is unclamped, under the effect of 201 air pressure inside of pressure pipe, sliding plug 303 is in slide cartridge
Sliding in 202 makes locking mechanism 3 to the outer Slideslip of slide cartridge 202, and the gas in 303 outside of sliding plug passes through stomata in slide cartridge 202
Discharge, the at this time rotation of bull stick 402 drive line wheel 403 to rotate, are wrapped in the quilt under the movement of sliding plug 303 of the steel cable 6 in line wheel 403
It stretches, after boosting in furnace, piston 5 moves up the air in compression pressure pipe 201, makes to be located in sliding plug 303 in slide cartridge 202
Air pressure increase, make locking mechanism 3 have bigger outside Slideslip trend, locking mechanism 3 and sealing plate 1, furnace can be made
Mouth connection is even closer, and when opening fire door after the completion of melting, rotation turntable 401 makes line wheel 403 roll steel cable 6, consolidates with steel cable 6
The sliding plug 303 of top connection drives locking mechanism 3 to moving in the middle part of sealing plate 1, locking mechanism 3 can be made to separate with fire door, close
Through-hole 2021, the slide cartridge 202 of 1 upside of sealing plate cunning corresponding with 1 downside of sealing plate are set on the slide cartridge 202 of 1 upside of sealing plate
It is connected between cylinder 202 by connecting hole 101, can make to be connected to positioned at the part in 303 outside of sliding plug with outside in slide cartridge 202, protect
Hold pressure stability.
Working principle: in the use of the present invention, sealing plate 1 is placed in fire door, make the locking machine positioned at 1 top of sealing plate
Structure 3 is stuck on the outside of fire door, unclamps control mechanism 4 later, under 201 internal gas pressure of pressure pipe, sliding plug 303 is relative to slide cartridge
202 move outward, and the locking mechanism 3 being fixedly connected with sliding plug 303 is stuck in sealing plate to the outer Slideslip of sealing plate 1, chuck 301
1 with the junction of fire door, be kept fixed 1 phase degree of sealing plate with fire door, the cunning that control mechanism 4 is connected in 6 one end of steel cable at this time
Plug 303 drives lower rotation, extends steel cable 6, and the bull stick 402, turntable 401 in control mechanism 4 are rotated relative to pressure pipe 201,
When heating leads to pressure rise in furnace, the gas in pressure pipe 201 is compressed in pressure by piston 5, makes sliding plug 303 to slide cartridge
202 outer ends are mobile, and locking mechanism 3 can be made more stable, safe.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention
Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached claims and its equivalent thereof.
Claims (6)
1. a kind of fire door safe locking device, including hermatic door, it is characterised in that: the hermatic door includes sealing plate (1), described
Pressure apparatus (2) are equipped in the middle part of sealing plate (1), the pressure apparatus (2) includes the pressure pipe (201) through sealing plate (1), institute
The piston (5) for being equipped in pressure pipe (201) and being slidably connected with it is stated, is connected with control mechanism at the top of the pressure pipe (201)
(4), the control mechanism (4) and locking mechanism (3) are sequentially connected, and the locking mechanism (3) pneumatically connects with pressure apparatus (2)
It connects, the locking mechanism (3) is slidably connected with sealing plate (1), and pressure pipe (201) side is connected to slide cartridge (202), described
Slide cartridge (202) is slidably connected with locking mechanism (3).
2. a kind of fire door safe locking device according to claim 1, it is characterised in that: pressure pipe (201) bottom end
Opening, the bottom end for being located at the pressure pipe (201) inner wall are fixedly connected with retaining ring (203), are equipped at the top of the pressure pipe (201)
Rod aperture, is located at the pressure pipe (201) and sealing plate (1) upper and lower side in junction is fixedly connected to slide cartridge (202), the cunning
It is connected to inside cylinder (202) one end and pressure pipe (201).
3. a kind of fire door safe locking device according to claim 1, it is characterised in that: the locking mechanism (3) includes
The sliding plug (303) being slidably connected with slide cartridge (202) inner wall, the sliding plug (303) are fixedly connected with connecting rod (302), the company
Extension bar (302) passes through slide cartridge (202) outer end and is fixedly connected with chuck (301).
4. a kind of fire door safe locking device according to claim 3, it is characterised in that: chuck (301) shape is
90 degree of arc angle hollow discoid, chuck (301) vertical section are rectangle.
5. a kind of fire door safe locking device according to claim 2 or 3, it is characterised in that: on the upside of the sealing plate (1)
Slide cartridge (202) be equipped with through-hole (2021), the through-hole (2021) is located at sliding plug (303) is connect with connecting rod (302) one
Side, between two slide cartridges (202) being aligned on the upper and lower two sides vertical direction of the sealing plate (1) even by connecting hole (101)
Logical, the connecting hole (101) is located at the side that sliding plug (303) is connect with connecting rod (302).
6. a kind of fire door safe locking device according to claim 1 or 3, it is characterised in that: control mechanism (4) packet
The bull stick (402) with the rotation connection of pressure pipe (201) top is included, bull stick (402) top is fixedly connected with turntable (401),
Bull stick (402) bottom end is fixedly connected with line wheel (403), is wound with steel cable (6) on the line wheel (403), the steel cable (6)
The opposite side connecting on one end and sliding plug (303) with connecting rod (302) is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762156.6A CN110487077B (en) | 2019-08-19 | 2019-08-19 | Furnace door safety locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910762156.6A CN110487077B (en) | 2019-08-19 | 2019-08-19 | Furnace door safety locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110487077A true CN110487077A (en) | 2019-11-22 |
| CN110487077B CN110487077B (en) | 2021-02-09 |
Family
ID=68552051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910762156.6A Active CN110487077B (en) | 2019-08-19 | 2019-08-19 | Furnace door safety locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110487077B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984857A (en) * | 2022-06-28 | 2022-09-02 | 华能辛店发电有限公司 | Reation kettle is used in preparation of power plant's waste gas absorption liquid |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256061A (en) * | 1992-03-02 | 1993-10-26 | Cress Steven B | Method and apparatus for vacuum furnace with self sealing expansion door members |
| CN2214562Y (en) * | 1994-05-16 | 1995-12-06 | 韩胜利 | Quick opening safety interlocking device for pressure vessel |
| CN106323006A (en) * | 2015-06-29 | 2017-01-11 | 刘小华 | Pneumatic compression air-tight furnace door |
| CN207299943U (en) * | 2017-09-29 | 2018-05-01 | 佛山市南海坚铝铝业有限公司 | A kind of fire door locking device of aluminum-bar heating furnace |
-
2019
- 2019-08-19 CN CN201910762156.6A patent/CN110487077B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256061A (en) * | 1992-03-02 | 1993-10-26 | Cress Steven B | Method and apparatus for vacuum furnace with self sealing expansion door members |
| CN2214562Y (en) * | 1994-05-16 | 1995-12-06 | 韩胜利 | Quick opening safety interlocking device for pressure vessel |
| CN106323006A (en) * | 2015-06-29 | 2017-01-11 | 刘小华 | Pneumatic compression air-tight furnace door |
| CN207299943U (en) * | 2017-09-29 | 2018-05-01 | 佛山市南海坚铝铝业有限公司 | A kind of fire door locking device of aluminum-bar heating furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114984857A (en) * | 2022-06-28 | 2022-09-02 | 华能辛店发电有限公司 | Reation kettle is used in preparation of power plant's waste gas absorption liquid |
| CN114984857B (en) * | 2022-06-28 | 2023-09-08 | 华能辛店发电有限公司 | Reaction kettle for preparing waste gas absorption liquid of power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110487077B (en) | 2021-02-09 |
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