CN214582495U - Automatic opening and closing device for observation door of closed submerged arc furnace - Google Patents
Automatic opening and closing device for observation door of closed submerged arc furnace Download PDFInfo
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- CN214582495U CN214582495U CN202120567676.4U CN202120567676U CN214582495U CN 214582495 U CN214582495 U CN 214582495U CN 202120567676 U CN202120567676 U CN 202120567676U CN 214582495 U CN214582495 U CN 214582495U
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- locking hook
- free end
- transmission arm
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Abstract
The utility model provides a hot stove observation door automatic start/stop device in airtight ore deposit, includes that one end articulates the observation door on airtight bell, characterized by: a driving cylinder is hinged on the closed furnace cover through a cylinder support, a transmission arm is hinged on one side, close to a hinge shaft, of the observation door through a transmission support, and the upper end of the transmission arm is hinged with the front end of a cylinder rod of the driving cylinder; the free end of the observation door is hinged with a locking hook, the upper end of the locking hook is hinged with the lower end of the transmission arm through a connecting rod assembly, and the free end is in a hook shape; a lock pin is arranged at the free end of the closed furnace cover corresponding to the locking hook, and when the driving cylinder extends out, the driving cylinder drives the locking hook to rotate through the transmission arm and the connecting rod assembly and then is clamped on the lock pin to realize locking. The device can realize the automatic start-stop of observation door, can avoid the on-the-spot closely operation of staff, ensures staff's personal safety.
Description
Technical Field
The utility model belongs to the technical field of the metallurgical industry, in particular to airtight hot stove observation door automatic start/stop device in ore deposit.
Background
The submerged arc furnace can be roughly divided into an open type submerged arc furnace and a closed type submerged arc furnace, the open type submerged arc furnace has the defects of high pollution, high energy consumption, strong heat radiation, harsh operating environment and the like, the closed type submerged arc furnace can effectively solve the problems, and the closed type submerged arc furnace accounts for the majority at present.
In the production process of the closed submerged arc furnace, the production condition in the furnace needs to be observed through an observation door on a closed furnace cover. As a large amount of flue gas with the temperature of 500 ℃ or even higher is generated in the furnace during production, and a large amount of CO is generated at the same time, the high-temperature flue gas and the CO overflow instantly when the observation door is opened manually, and the operator has great danger of casualty.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an automatic start-stop device of airtight submerged arc furnace observation door that can realize the observation door is provided, can avoid staff's site operation, ensures staff's personal safety.
The technical scheme of the utility model as follows:
the utility model provides a hot stove observation door automatic start/stop device in airtight ore deposit, includes that one end articulates the observation door on airtight bell, and its special character is: a driving cylinder is hinged on the closed furnace cover through a cylinder support, a transmission arm is hinged on one side, close to a hinge shaft, of the observation door through a transmission support, and the upper end of the transmission arm is hinged with the front end of a cylinder rod of the driving cylinder; the free end of the observation door is hinged with a locking hook, the upper end of the locking hook is hinged with the lower end of the transmission arm through a connecting rod assembly, and the free end is in a hook shape; a lock pin is arranged at the free end of the closed furnace cover corresponding to the locking hook, and when the driving cylinder extends out, the driving cylinder drives the locking hook to rotate through the transmission arm and the connecting rod assembly and then is clamped on the lock pin to realize locking.
Preferably, a stop iron is arranged on one side of the upper part of the transmission support corresponding to the connecting rod assembly and used for limiting the rotation angle of the transmission arm when the observation door is opened.
Preferably, an elastic baffle is arranged at the free end of the observation door and used for blocking the locking hook and preventing the locking hook from rotating to a locking state in advance.
Preferably, a rectangular opening is formed in the middle of the observation door at the free end of the observation door, two hook supports are symmetrically arranged on two sides of the rectangular opening, and the locking hook is hinged between the two hook supports through a pin shaft and inserted into the rectangular opening.
Preferably, two sliding channel plates are symmetrically arranged on two sides of a rectangular opening at the free end of the observation door, the elastic baffle is inserted between the two sliding channel plates in a sliding fit manner, the lower end of the elastic baffle is fork-shaped, an upper cover plate is connected to the upper end between the two sliding channel plates, and two pressure springs are arranged between the upper cover plate and the elastic baffle and used for realizing elastic expansion and contraction of the elastic baffle; after the elastic baffle retracts, the locking hook penetrates through an opening at the lower end of the elastic baffle and is clamped on the locking pin when rotating.
Preferably, a circle of graphite packing is arranged on the upper surface of the closed furnace cover and around the observation port, a circle of reinforcing steel bars is arranged on the inner side of the observation door corresponding to the graphite packing, and the reinforcing steel bars are pressed on the graphite packing after the observation door is closed so as to improve the sealing effect.
The utility model has the advantages that:
because the closed furnace cover is hinged with the driving cylinder through the cylinder support, one side of the observation door close to the hinged shaft of the observation door is hinged with the transmission arm through the transmission support, and the upper end of the transmission arm is hinged with the front end of the cylinder rod of the driving cylinder; the free end of the observation door is hinged with a locking hook, the upper end of the locking hook is hinged with the lower end of the transmission arm through a connecting rod assembly, and the free end is in a hook shape; a lock pin is arranged on the closed furnace cover corresponding to the free end of the locking hook, and when the driving cylinder extends out, the driving cylinder drives the locking hook to rotate through the transmission arm and the connecting rod assembly and then is clamped on the lock pin to realize locking; therefore, the observation door can be automatically closed and locked by controlling the driving air cylinder to extend out, the observation door can be driven to be upturned and opened by controlling the driving air cylinder to retract back through the transmission arm, the connecting rod assembly and the locking hook, the automatic opening and closing of the observation door can be realized, the field close-range operation of workers can be avoided, and the personal safety of the workers is ensured.
Drawings
Fig. 1 is a schematic structural view of the observation door of the present invention when it is closed.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic view of the installation of the elastic baffle.
Fig. 4 is a schematic structural view of the observation door of the present invention when opened.
Detailed Description
The technical solutions in the embodiments of the present invention are described below clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, the utility model relates to an airtight submerged arc furnace observation door automatic start/stop device, including installing observation door 7 of the department of observation on airtight bell 1, this observation door 7 is the water-cooling observation door and is inside to be equipped with water cooling channel promptly, and 7 one end of observation door are articulated on airtight bell 1 through hollow articulated shaft 3, articulated shaft 3 and water cooling channel intercommunication to let in the cooling water.
A driving cylinder 2 is hinged on the closed furnace cover 1 through a cylinder support, a transmission arm 4 is hinged on one side, close to a hinge shaft, of the observation door 7 through a transmission support 14, the middle part of the transmission arm 4 is hinged on the transmission support 14 through a pin shaft, and the upper end of the transmission arm 4 is hinged with the front end of a cylinder rod of the driving cylinder 2; the observation door 7 is hinged with a locking hook 8 at the free end, the upper end of the locking hook 8 is hinged with the lower end of the transmission arm 4 through a connecting rod component 6, and the free end of the lower end of the locking hook 8 is in a hook shape.
A rectangular opening 701 is formed in the middle of the free end of the observation door 7, two hook supports 10 are symmetrically welded to the two sides of the rectangular opening, and the middle of the locking hook 8 is hinged between the two hook supports 10 through a pin shaft 9 and inserted into the rectangular opening 701.
The connecting rod assembly 6 comprises two connecting rods which are coaxially connected through nuts, and joints are respectively connected to the outer ends of the two connecting rods so as to be respectively hinged with the locking hook 8 and the transmission arm 4. The free end of the closed furnace cover 1 corresponding to the locking hook 8 is fixedly supported by the lock pin 11 through two supporting blocks, and when the driving cylinder 2 extends out, the driving arm 4 and the connecting rod assembly drive the locking hook 8 to rotate and then clamp the locking hook on the lock pin 11 to realize locking.
And a stop iron 5 is welded on one side of the upper part of the transmission support corresponding to the connecting rod assembly and used for limiting the rotating angle of the transmission arm 4 when the observation door 7 is opened, so that the observation door 7 can be quickly opened. An elastic baffle 12 is arranged on the observation door 7 at the free end thereof and is used for blocking the locking hook 8 and preventing the locking hook from rotating to a locking state in advance.
Two slideway plates 16 are symmetrically arranged on two sides of a rectangular opening on the observation door 7, which is positioned at the free end of the observation door, the elastic baffle plate 12 is inserted between the two slideway plates 16 in a sliding fit manner, the lower end of the elastic baffle plate is fork-shaped, the upper end between the two slideway plates 16 is connected with an upper cover plate 17, and two pressure springs 18 are arranged between the upper cover plate 17 and the elastic baffle plate 12 for realizing the elastic expansion of the elastic baffle plate 12; after the elastic baffle 12 retracts, the locking hook 8 passes through an opening at the lower end of the elastic baffle 12 and is clamped on the locking pin 11 when rotating.
Be located the viewing aperture on airtight bell 1 and be equipped with round graphite packing 15 all around, be equipped with round reinforcing bar 13 in the inboard graphite packing department that corresponds of observation door 7, reinforcing bar 13 is pressed on graphite packing 15 after observation door 7 closes for improve sealed effect.
When the observation door 7 needs to be opened in the production process of the submerged arc furnace, the driving cylinder 2 is controlled to retract, the cylinder rod drives the transmission arm 4 to rotate anticlockwise, the transmission arm drives the locking hook 8 to rotate clockwise through the connecting rod assembly, and the free end of the locking hook is separated from the lock pin 11 and the elastic baffle 12 to realize unlocking; meanwhile, the transmission arm is propped against the stop iron, and the observation door is pulled up along with the retraction of the driving cylinder 2, so that the observation door is turned up by taking the hinge shaft as an axis until the observation door is completely opened.
When the observation door needs to be closed, the driving cylinder 2 is controlled to extend out, the driving arm is used for pushing the observation door to rotate clockwise, when the free end of the observation door is close to the upper surface of the closed furnace cover 1, the elastic baffle 12 is jacked up by the closed furnace cover 1 and releases the locking hook, the driving cylinder 2 continues to extend out to drive the locking hook to rotate anticlockwise through the driving arm and the connecting rod assembly, and the free end of the locking hook penetrates through the elastic baffle to be clamped on the lock pin 11 to achieve locking. After locking, the observation door is pressed on the graphite packing through the reinforcing steel bar to realize sealing.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields where the invention is suitable, and further modifications may readily be made by those skilled in the art, and the invention is therefore not limited to the specific details without departing from the general concept defined by the claims and the scope of equivalents.
Claims (6)
1. The utility model provides a hot stove observation door automatic start/stop device in airtight ore deposit, includes that one end articulates the observation door on airtight bell, characterized by: a driving cylinder is hinged on the closed furnace cover through a cylinder support, a transmission arm is hinged on one side, close to a hinge shaft, of the observation door through a transmission support, and the upper end of the transmission arm is hinged with the front end of a cylinder rod of the driving cylinder; the free end of the observation door is hinged with a locking hook, the upper end of the locking hook is hinged with the lower end of the transmission arm through a connecting rod assembly, and the free end is in a hook shape; a lock pin is arranged at the free end of the closed furnace cover corresponding to the locking hook, and when the driving cylinder extends out, the driving cylinder drives the locking hook to rotate through the transmission arm and the connecting rod assembly and then is clamped on the lock pin to realize locking.
2. The automatic opening and closing device for the observation door of the closed submerged arc furnace as claimed in claim 1, which is characterized in that: and a stop iron is arranged on one side of the upper part of the transmission support corresponding to the connecting rod assembly and used for limiting the rotation angle of the transmission arm when the observation door is opened.
3. The automatic opening and closing device for the observation door of the closed submerged arc furnace as claimed in claim 1 or 2, which is characterized in that: an elastic baffle is arranged at the free end of the observation door and used for blocking the locking hook and preventing the locking hook from rotating to a locking state in advance.
4. The automatic opening and closing device for the observation door of the closed submerged arc furnace as claimed in claim 1, which is characterized in that: the middle part of the observation door, which is positioned at the free end of the observation door, is provided with a rectangular opening, two hook supports are symmetrically arranged on the two sides of the rectangular opening, and the locking hook is hinged between the two hook supports through a pin shaft and is inserted into the rectangular opening.
5. The automatic opening and closing device for the observation door of the closed submerged arc furnace as claimed in claim 3, which is characterized in that: two sides of a rectangular opening at the free end of the observation door are symmetrically provided with two slide way plates, the elastic baffle is inserted between the two slide way plates in a sliding fit manner, the lower end of the elastic baffle is fork-shaped, the upper end between the two slide way plates is connected with an upper cover plate, and two pressure springs are arranged between the upper cover plate and the elastic baffle and used for realizing elastic expansion of the elastic baffle; after the elastic baffle retracts, the locking hook penetrates through an opening at the lower end of the elastic baffle and is clamped on the locking pin when rotating.
6. The automatic opening and closing device for the observation door of the closed submerged arc furnace as claimed in claim 1, which is characterized in that: be located the viewing aperture on airtight bell and be equipped with round graphite packing all around, be equipped with the round reinforcing bar in the inside graphite packing department that corresponds of viewing aperture, the observation door is closed the back reinforcing bar and is pressed on graphite packing for improve sealed effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567676.4U CN214582495U (en) | 2021-03-19 | 2021-03-19 | Automatic opening and closing device for observation door of closed submerged arc furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120567676.4U CN214582495U (en) | 2021-03-19 | 2021-03-19 | Automatic opening and closing device for observation door of closed submerged arc furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214582495U true CN214582495U (en) | 2021-11-02 |
Family
ID=78320782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120567676.4U Active CN214582495U (en) | 2021-03-19 | 2021-03-19 | Automatic opening and closing device for observation door of closed submerged arc furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214582495U (en) |
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2021
- 2021-03-19 CN CN202120567676.4U patent/CN214582495U/en active Active
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