CN210392587U - Automatic interlocking protection device of disk feeder - Google Patents
Automatic interlocking protection device of disk feeder Download PDFInfo
- Publication number
- CN210392587U CN210392587U CN201920955488.1U CN201920955488U CN210392587U CN 210392587 U CN210392587 U CN 210392587U CN 201920955488 U CN201920955488 U CN 201920955488U CN 210392587 U CN210392587 U CN 210392587U
- Authority
- CN
- China
- Prior art keywords
- fixed
- disk feeder
- disk
- door
- contactor
- 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.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002802 bituminous coal Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses an automatic interlocking protection device of a disk feeder, which comprises a disk feeder, a grate arranged at a feed opening of the disk feeder and fixed doors fixed at the front side and the rear side of a disk running part of the disk feeder; one side of the fixed door, which is far away from the grate, is hinged with a movable door; a bolt buckle is arranged on one side of the other fixed door, which is far away from the grate; a bolt is fixed on the side of the movable door away from the hinge joint; proximity switches are fixed on one sides of the fixed door and the movable door close to the bolt and the bolt buckle; the output end of the proximity switch is electrically connected with the relay through the controller; the relay is electrically connected with a contactor; the contactor is connected between the disk feeder and the manual switch thereof in series. The utility model discloses an automatic chain protection device of disk feeder installs the emergency exit additional in disk double-edged fine-toothed comb department to with the disc interlocking, open disc auto-stop behind the emergency exit, thoroughly eliminate hank wound staff's potential safety hazard.
Description
Technical Field
The utility model relates to a disk feeder safety device, concretely relates to automatic chain protection device of disk feeder belongs to disk feeder safety device technical field.
Background
Coal powder is injected into a blast furnace in a coal injection workshop of an iron works; the external raw coal is transported to a coal storage yard for storage, the raw coal is grabbed to a disk feeder by a travelling crane, iron impurities doped in the raw coal are removed through an iron remover above a belt, and the raw coal is transported to a raw coal bunker by the belt; the device is provided with three discs in total, two discs are operated in normal work, one disc is used for washing coal and feeding, and the other disc is used for feeding bituminous coal, so that the blanking is smooth and no blockage phenomenon exists; cleaning sundries on the disc grate every half an hour as required at the coal injection disc feeder of the iron works so as to keep the disc to run smoothly and improve the feeding quality; the disc cleaning machine is required to be stopped for cleaning discs, but some staff can breed the lucky spirit after working for a long time, and sometimes the staff does not stop the operation against the rules and regulations for saving things, so that the potential safety hazard of winching exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an automatic chain protection device of disk feeder installs the emergency exit additional in disc double-edged fine-toothed comb department to with the disc interlocking, open disc auto-stop behind the emergency exit, thoroughly eliminate the potential safety hazard that the staff was wounded in the hank.
The utility model discloses an automatic interlocking protection device of a disk feeder, which comprises a disk feeder, a grate arranged at a feed opening of the disk feeder and fixed doors fixed at the front side and the rear side of a disk running part of the disk feeder; one side of the fixed door, which is far away from the grate, is hinged with a movable door; a bolt buckle is arranged on one side of the other fixed door, which is far away from the grate; a bolt is fixed on the side of the movable door away from the hinge joint; proximity switches are fixed on one sides of the fixed door and the movable door close to the bolt and the bolt buckle; the output end of the proximity switch is electrically connected with the relay through the controller; the relay is electrically connected with a contactor; the contactor is connected between the disk feeder and the manual switch in series; when the disc is cleaned, the bolt and the bolt buckle are separated, the movable door is opened, the proximity switch on the movable door is separated, at the moment, after the controller detects a separation signal, a signal is sent to the relay, the relay sends a signal to the contactor, and the contactor disconnects the disc feeder and the power supply; when in maintenance, even if the interlocking protection device is disconnected, the maintenance personnel is required to disconnect the power switch.
Furthermore, an upper cover plate is fixed at the top of the fixed door.
Further, the fixed door is fixed outside the grate of the disc feeder.
Furthermore, the proximity switch is a Hall switch and a correlation type infrared switch; the controller is a 51-series singlechip minimum system; the I/O port of the minimum system of the single chip microcomputer is electrically connected to the control end of the relay; the normally open end of the relay is connected in series with the contactor power supply and the contactor control end; the normally closed end of the contactor is connected in series with the power supply of the disk feeder and the manual switch end of the disk feeder; the Hall switch and the correlation type infrared switch are adopted to keep the closing state of the safety door, the Hall sensor of the Hall switch can detect the magnetic steel, and the receiving end of the correlation type infrared switch can detect the infrared signal, so that misoperation is avoided; after the Hall switch and the correlation type infrared switch lose signals, level conversion is carried out after one jump, the I/O port of the minimum system of the single chip microcomputer directly detects the jump signal or the conversion level to determine the switch of the movable door, so that whether a relay signal is given or not is determined, after the relay is electrified, the normally open end is closed, the control end of the disk feeder can be connected to a power supply, the contactor is electrified, the normally closed end is connected to a port, and the power supply of the disk feeder is disconnected.
Compared with the prior art, the automatic interlocking protection device of the disc feeder of the utility model is additionally provided with the movable door at the disc running part, the staff can only open the movable door to operate when needing to clean the operation, once the movable door is opened, the disc feeder can be automatically stopped to ensure the staff to operate under the safe environment, the movable door is closed after the operation is finished, and the approach switch receives a signal and can be automatically started; the automatic interlocking protection device for the safety door is realized, the occurrence of safety accidents is reduced, and the operation quality is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of the fixed door and the movable door of the present invention.
Fig. 3 is a schematic view of the electrical connection structure of the present invention.
Detailed Description
Example 1:
as shown in fig. 1 to 3, the automatic interlocking protection device for the disk feeder of the utility model comprises a disk feeder 1, a grate 2 arranged at a feed opening of the disk feeder, and fixed doors 3 fixed at the front and rear sides of a disk running part of the disk feeder; one side of the fixed door 3, which is far away from the grate, is hinged with a movable door 4; a bolt buckle 5 is arranged on one side of the other fixed door 3 away from the grate; a bolt 6 is fixed on the side, far away from the hinge joint, of the movable door 4; proximity switches 7 are fixed on one sides of the fixed door 3 and the movable door 4 close to the bolt and the bolt buckle; the output end of the proximity switch 7 is electrically connected with a relay 9 through a controller 8; the relay 9 is electrically connected with a contactor 10; the contactor 10 is connected between the disk feeder 1 and the manual switch 11 thereof; when the disc is cleaned, the bolt and the bolt buckle are separated, the movable door is opened, the proximity switch on the movable door is separated, at the moment, after the controller detects a separation signal, a signal is sent to the relay, the relay sends a signal to the contactor, and the contactor disconnects the disc feeder and the power supply; when in maintenance, even if the interlocking protection device is disconnected, the maintenance personnel is required to disconnect the power switch.
Wherein, the top of the fixed door 3 is fixed with an upper cover plate 12; the fixed door 3 is fixed outside the grate 2 of the disc feeder 1.
The proximity switch 7 is a Hall switch and a correlation type infrared switch; the controller 8 is a 51-series singlechip minimum system; the I/O port of the minimum system of the single chip microcomputer is electrically connected to the control end of the relay 9; the normally open end of the relay 9 is connected in series with the power supply of the contactor 10 and the control end of the contactor 10; the normally closed end of the contactor 10 is connected in series with the power supply of the disk feeder 1 and the manual switch 11 end of the disk feeder 1; the Hall switch and the correlation type infrared switch are adopted to keep the closing state of the safety door, the Hall sensor of the Hall switch can detect the magnetic steel, and the receiving end of the correlation type infrared switch can detect the infrared signal, so that misoperation is avoided; after the Hall switch and the correlation type infrared switch lose signals, level conversion is carried out after one jump, the I/O port of the minimum system of the single chip microcomputer directly detects the jump signal or the conversion level to determine the switch of the movable door, so that whether a relay signal is given or not is determined, after the relay is electrified, the normally open end is closed, the control end of the disk feeder can be connected to a power supply, the contactor is electrified, the normally closed end is connected to a port, and the power supply of the disk feeder is disconnected.
The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.
Claims (4)
1. The utility model provides an automatic chain protection device of disk feeder, includes disk feeder, and installs in the grate of disk feeder feed opening, its characterized in that: the device also comprises a fixed door fixed on the front side and the rear side of the disk running part of the disk feeder; one side of the fixed door, which is far away from the grate, is hinged with a movable door; a bolt buckle is arranged on one side of the other fixed door, which is far away from the grate; a bolt is fixed on the side of the movable door away from the hinge joint; proximity switches are fixed on one sides of the fixed door and the movable door close to the bolt and the bolt buckle; the output end of the proximity switch is electrically connected with the relay through the controller; the relay is electrically connected with a contactor; the contactor is connected between the disk feeder and the manual switch thereof in series.
2. The automatic interlocking protection device of the disk feeder according to claim 1, characterized in that: an upper cover plate is fixed at the top of the fixed door.
3. The automatic interlocking protection device of the disk feeder according to claim 1, characterized in that: the fixed door is fixed outside the grate of the disc feeder.
4. The automatic interlocking protection device of the disk feeder according to claim 1, characterized in that: the proximity switch is a Hall switch and a correlation type infrared switch; the controller is a 51-series singlechip minimum system; the I/O port of the minimum system of the single chip microcomputer is electrically connected to the control end of the relay; the normally open end of the relay is connected in series with the contactor power supply and the contactor control end; and the normally closed end of the contactor is connected in series with the power supply of the disk feeder and the manual switch end of the disk feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955488.1U CN210392587U (en) | 2019-06-24 | 2019-06-24 | Automatic interlocking protection device of disk feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920955488.1U CN210392587U (en) | 2019-06-24 | 2019-06-24 | Automatic interlocking protection device of disk feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210392587U true CN210392587U (en) | 2020-04-24 |
Family
ID=70350590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920955488.1U Expired - Fee Related CN210392587U (en) | 2019-06-24 | 2019-06-24 | Automatic interlocking protection device of disk feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210392587U (en) |
-
2019
- 2019-06-24 CN CN201920955488.1U patent/CN210392587U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |