CN110487077B - Furnace door safety locking device - Google Patents
Furnace door safety locking device Download PDFInfo
- Publication number
- CN110487077B CN110487077B CN201910762156.6A CN201910762156A CN110487077B CN 110487077 B CN110487077 B CN 110487077B CN 201910762156 A CN201910762156 A CN 201910762156A CN 110487077 B CN110487077 B CN 110487077B
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- Prior art keywords
- pressure pipe
- sliding
- sealing plate
- pressure
- fixedly connected
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- 238000007789 sealing Methods 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000004804 winding Methods 0.000 claims 1
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
Images
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 or 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 invention provides a furnace door safety locking device, which relates to the field of melting furnaces and comprises a sealing door, wherein the sealing door comprises a sealing plate, a pressure device is arranged in the middle of the sealing plate, the pressure device comprises a pressure pipe penetrating through the sealing plate, a piston in sliding connection with the pressure pipe is arranged in the pressure pipe, the top of the pressure pipe is connected with a control mechanism, the control mechanism is in transmission connection with a locking mechanism, the locking mechanism is in pneumatic connection with the pressure device, the locking mechanism is in sliding connection with the sealing plate, the side face of the pressure pipe is communicated with a sliding cylinder, and the sliding cylinder is in sliding connection with the locking mechanism. According to the invention, the piston moves in the pressure pipe by using the pressure in the furnace, so that the air in the pressure pipe is compressed, and the locking mechanism moves by using the pressure difference between the inside and the outside of the pressure pipe, so that the sealing plate and the furnace mouth can be connected more tightly by the locking mechanism, the locking force is increased, and the safety is higher.
Description
Technical Field
The invention relates to the field of melting furnaces, in particular to a furnace door safety locking device.
Background
The melting furnace is widely applied to metal smelting, the temperature in the furnace can reach more than one thousand degrees during metal smelting, the pressure in the furnace is increased, the pressure bearing capacity of the furnace door is lower than that of other parts in the furnace due to the fact that the furnace door and the furnace opening are movably connected, if the locking device is loosened in the smelting process, serious accidents are easily caused by pressure release in the furnace, and therefore the method is particularly important for the connection mode and the locking mode of the furnace door and the furnace opening.
The existing locking mode is mostly locked by adopting a bolt connection or clamping connection mode, so that the connection is laborious and the locking is not stable enough.
Disclosure of Invention
The invention aims to provide a safe locking device for a furnace door, which solves the technical problem.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a furnace gate safety locking device, includes sealing door, sealing door includes the closing plate, the closing plate middle part is equipped with pressure device, pressure device is including the pressure pipe that runs through the closing plate, the intraductal piston that is equipped with rather than sliding connection of pressure, the pressure pipe top is connected with control mechanism, control mechanism is connected with the locking mechanical transmission, locking mechanism and pressure device pneumatic connection, locking mechanism and closing plate sliding connection, the pressure pipe side communicates with the slide cartridge, slide cartridge and locking mechanical sliding connection.
Preferably, the opening of pressure pipe bottom is located the bottom fixedly connected with retaining ring of pressure pipe inner wall, the pressure pipe top is equipped with the pole hole, is located the equal fixedly connected with slide cartridge of upper and lower side of pressure pipe and closing plate junction, slide cartridge one end and the inside intercommunication of pressure pipe.
Preferably, the locking mechanism comprises a sliding plug in sliding connection with the inner wall of the sliding cylinder, the sliding plug is fixedly connected with the connecting rod, and the connecting rod penetrates through the outer end of the sliding cylinder and is fixedly connected with the chuck.
Preferably, the chuck is in the shape of a hollow disc with an arc angle of 90 degrees, and the vertical section of the chuck is rectangular.
Preferably, a through hole is formed in the sliding cylinder on the upper side of the sealing plate, the through hole is located on one side where the sliding plug is connected with the connecting rod, the two sliding cylinders aligned in the vertical direction on the upper side and the lower side of the sealing plate are communicated through the connecting hole, and the connecting hole is located on one side where the sliding plug is connected with the connecting rod.
Preferably, the control mechanism comprises a rotating rod which is rotatably connected with the top end of the pressure pipe, the top end of the rotating rod is fixedly connected with a rotating disc, the bottom end of the rotating rod is fixedly connected with a wire wheel, a steel rope is wound on the wire wheel, and one end of the steel rope is fixedly connected with the opposite side of the sliding plug, which is connected with the connecting rod.
The invention has the beneficial effects that:
according to the invention, the pressure device is arranged in the middle of the sealing plate, the piston moves in the pressure pipe by using the pressure in the furnace, so that the air in the pressure pipe is compressed, and the locking mechanism moves by using the pressure difference between the inside and the outside of the pressure pipe, so that the sealing plate and the furnace mouth can be connected more tightly by the locking mechanism, and the locking force is increased; the bidirectional locking mechanism is arranged, the sliding cylinders inside and outside the sealing plate are communicated, and the right side of the sliding plug in the sliding cylinder can be communicated with the outside, so that air pressure difference can be generated; the control mechanism is connected with the locking mechanism, so that the locking mechanism can be conveniently controlled to be opened by rotating the rotating rod.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic perspective view of the locking mechanism of the present invention;
reference numerals: 1. a sealing plate; 101. connecting holes; 2. a pressure device; 201. a pressure pipe; 202. a slide cylinder; 2021. a through hole; 203. a retainer ring; 3. a locking mechanism; 301. a chuck; 302. a connecting rod; 303. a sliding plug; 4. a control mechanism; 401. a turntable; 402. a rotating rod; 403. a wire wheel; 5. a piston; 6. a steel cord.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention are described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a furnace door safety locking device comprises a sealing door, the sealing door comprises a sealing plate 1, a pressure device 2 is arranged in the middle of the sealing plate 1, the pressure device 2 comprises a pressure tube 201 penetrating through the sealing plate 1, a piston 5 slidably connected with the pressure tube 201 is arranged in the pressure tube 201, a control mechanism 4 is connected with the top of the pressure tube 201, the control mechanism 4 is in transmission connection with a locking mechanism 3, the locking mechanism 3 is in pneumatic connection with the pressure device 2, the locking mechanism 3 is in sliding connection with the sealing plate 1, the side surface of the pressure tube 201 is communicated with a sliding cylinder 202, the sliding cylinder 202 is slidably connected with the locking mechanism 3, the bottom end of the pressure tube 201 is open, a retainer ring 203 is fixedly connected with the bottom end of the inner wall of the pressure tube 201, a rod hole is arranged at the top of the pressure tube 201, the, the locking mechanism 3 comprises a sliding plug 303 which is connected with the inner wall of the sliding barrel 202 in a sliding way, the sliding plug 303 is fixedly connected with a connecting rod 302, and the connecting rod 302 penetrates through the outer end of the sliding barrel 202 and is fixedly connected with the chuck 301.
When sealing, the sealing plate 1 is arranged in the furnace mouth, the side surface of the sealing plate 1 is attached to the furnace wall, the locking mechanism 3 on the upper side of the sealing plate 1 is positioned on the outer wall of the furnace, the locking mechanism 3 on the lower side of the sealing plate 1 is positioned on the inner wall of the furnace, then the sliding plug 303 in the locking mechanism 3 moves towards the outer end of the sliding cylinder 202, the chuck 301 connected with the connecting rod 302 is clamped on the furnace wall to keep the sealing plate 1 fixed with the furnace mouth, when the pressure in the furnace is increased, the piston 5 at the bottom end of the pressure pipe 201 moves under the action of the air pressure difference between the interior of the furnace and the pressure pipe 201, so that the air in the pressure pipe 201 is compressed, the compressed air generates thrust towards the outer side of the sliding cylinder 202 to the sliding plug 303, so that the locking mechanism 3 extends towards the outer side of the sliding cylinder 202 more firmly, the looseness is avoided, the force required by the movement of the locking mechanism 3, the sealing plate 1 and the furnace door are kept relatively fixed, the connection between the sealing plate 1 and the furnace mouth can be firmer by utilizing the pressure in the furnace, and the safety is higher.
Example 2
As shown in fig. 1-3, a furnace door safety locking device comprises a sealing door, the sealing door comprises a sealing plate 1, a pressure device 2 is arranged in the middle of the sealing plate 1, the pressure device 2 comprises a pressure tube 201 penetrating through the sealing plate 1, a piston 5 connected with the pressure tube 201 in a sliding manner is arranged in the pressure tube 201, a control mechanism 4 is connected with the top of the pressure tube 201, the control mechanism 4 is in transmission connection with a locking mechanism 3, the locking mechanism 3 is in pneumatic connection with the pressure device 2, the locking mechanism 3 is in sliding connection with the sealing plate 1, the side surface of the pressure tube 201 is communicated with a sliding cylinder 202, the sliding cylinder 202 is in sliding connection with the locking mechanism 3, the chuck 301 is in the shape of a hollow disc with an arc angle of 90 degrees, the vertical section of the chuck 301 is rectangular, a through hole 2021 is arranged on the sliding cylinder 202 on the upper side of the sealing plate 1, the through hole 2021 is positioned on, the connecting hole 101 is located on one side of the sliding plug 303 connected with the connecting rod 302, the control mechanism 4 comprises a rotating rod 402 rotationally connected with the top end of the pressure pipe 201, a rotary disc 401 is fixedly connected with the top end of the rotating rod 402, a reel 403 is fixedly connected with the bottom end of the rotating rod 402, a steel rope 6 is wound on the reel 403, and one end of the steel rope 6 is fixedly connected with the opposite side of the sliding plug 303 connected with the connecting rod 302.
When the sealing plate 1 is closed, the turntable 401 is loosened, the sliding plug 303 slides in the sliding cylinder 202 under the action of the air pressure in the pressure pipe 201, so that the locking mechanism 3 slides towards the outside of the sliding cylinder 202, the air on the outside of the sliding plug 303 in the sliding cylinder 202 is exhausted through the air hole, at the moment, the rotating rod 402 rotates to drive the wire wheel 403 to rotate, the steel wire 6 wound on the wire wheel 403 is stretched under the movement of the sliding plug 303, after the pressure in the furnace is increased, the piston 5 moves upwards to compress the air in the pressure pipe 201, so that the air pressure in the sliding plug 303 in the sliding cylinder 202 is increased, the locking mechanism 3 has a greater tendency of sliding towards the outside, the locking mechanism 3 can be more tightly connected with the sealing plate 1 and a furnace mouth, when the furnace door is opened after smelting is finished, the turntable 401 is rotated to enable the wire wheel 403 to roll up the steel wire 6, the sliding plug 303 fixedly connected with the steel wire 6 drives the locking mechanism 3 to move towards the, the through hole 2021 is provided in the slide cylinder 202 on the upper side of the seal plate 1, and the slide cylinder 202 on the upper side of the seal plate 1 and the slide cylinder 202 corresponding to the lower side of the seal plate 1 are connected by the connection hole 101, so that the portion of the slide cylinder 202 located outside the slide plug 303 can communicate with the outside, and pressure stability can be maintained.
The working principle is as follows: when the invention is used, a sealing plate 1 is placed in a furnace mouth, a locking mechanism 3 positioned at the upper part of the sealing plate 1 is clamped at the outer side of the furnace mouth, then a control mechanism 4 is loosened, under the internal gas pressure of a pressure pipe 201, a sliding plug 303 moves outwards relative to a sliding cylinder 202, the locking mechanism 3 fixedly connected with the sliding plug 303 slides towards the outer side of the sealing plate 1, a chuck 301 is clamped at the connecting part of the sealing plate 1 and the furnace mouth, so that the sealing plate 1 is kept fixed with the furnace mouth in phase, at the moment, the control mechanism 4 rotates under the driving of the sliding plug 303 connected with one end of a steel rope 6, so that the steel rope 6 extends, a rotating rod 402 and a rotating disc 401 in the control mechanism 4 rotate relative to the pressure pipe 201, when the temperature in the furnace rises, the gas in the pressure pipe 201 is compressed by a piston 5 under the pressure, so that the sliding plug 303.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an oven door safety locking device, includes sealing door, its characterized in that: the sealing door includes sealing plate (1), sealing plate (1) middle part is equipped with pressure device (2), pressure device (2) are including running through pressure pipe (201) of sealing plate (1), be equipped with rather than sliding connection's piston (5) in pressure pipe (201), pressure pipe (201) top is connected with control mechanism (4), control mechanism (4) are connected with locking mechanical system (3) transmission, locking mechanical system (3) and pressure device (2) pneumatic connection, locking mechanical system (3) and sealing plate (1) sliding connection, pressure pipe (201) side and sliding barrel (202) intercommunication, sliding barrel (202) and locking mechanical system (3) sliding connection.
2. An oven door safety locking device according to claim 1, characterized in that: the opening in pressure pipe (201) bottom is located the bottom fixedly connected with retaining ring (203) of pressure pipe (201) inner wall, pressure pipe (201) top is equipped with the pole hole, is located equal fixedly connected with slide cartridge (202) of upper and lower side in pressure pipe (201) and closing plate (1) junction, slide cartridge (202) one end and the inside intercommunication of pressure pipe (201).
3. An oven door safety locking device according to claim 1, characterized in that: the locking mechanism (3) comprises a sliding plug (303) which is in sliding connection with the inner wall of the sliding barrel (202), the sliding plug (303) is fixedly connected with a connecting rod (302), and the connecting rod (302) penetrates through the outer end of the sliding barrel (202) and is fixedly connected with the chuck (301).
4. An oven door safety locking device according to claim 3, characterized in that: the chuck (301) is in the shape of a hollow disc with an arc angle of 90 degrees, and the vertical section of the chuck (301) is rectangular.
5. An oven door safety locking device according to claim 2 or 3, characterized in that: the sealing plate is characterized in that a through hole (2021) is formed in the sliding barrel (202) on the upper side of the sealing plate (1), the through hole (2021) is located on one side, connected with the connecting rod (302), of the sliding plug (303), the two sliding barrels (202) aligned in the vertical direction of the upper side and the lower side of the sealing plate (1) are communicated through a connecting hole (101), and the connecting hole (101) is located on one side, connected with the connecting rod (302), of the sliding plug (303).
6. An oven door safety locking device according to claim 1 or 3, characterized in that: control mechanism (4) include runner (402) of being connected with pressure pipe (201) top rotation, runner (402) top fixedly connected with carousel (401), runner (402) bottom fixedly connected with takes turns wheel (403), the winding has steel cable (6) on taking turns wheel (403), relative one side fixed connection who is connected with connecting rod (302) on steel cable (6) one end and sliding plug (303).
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 CN110487077A (en) | 2019-11-22 |
| CN110487077B true CN110487077B (en) | 2021-02-09 |
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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 |
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| Country | Link |
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| CN (1) | CN110487077B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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 |
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| Publication number | Publication date |
|---|---|
| CN110487077A (en) | 2019-11-22 |
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