CN214877574U - Stifled device leads to suitable for coal conveying pipeline - Google Patents
Stifled device leads to suitable for coal conveying pipeline Download PDFInfo
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- CN214877574U CN214877574U CN202120875845.0U CN202120875845U CN214877574U CN 214877574 U CN214877574 U CN 214877574U CN 202120875845 U CN202120875845 U CN 202120875845U CN 214877574 U CN214877574 U CN 214877574U
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Abstract
A blockage removing device suitable for a coal conveying pipeline comprises a blockage sensing part, a PLC and a striking part; the blocking induction parts are arranged on the coal conveying pipeline at equal intervals along the axial lead direction of the coal conveying pipeline; a coal conveying pipeline penetrates through the interior of the beating part; the blocking induction part and the striking part are connected with a PLC signal. The utility model discloses reduce staff's intensity of labour, improved the reliability of coal conveying pipeline coal supply.
Description
Technical Field
The utility model relates to a lead to stifled device, especially a device that is used for dredging to blockking up coal conveying pipeline belongs to piping installation technical field.
Background
In a coal-fired power plant, combustion materials of boilers are generally coal, the coal is fed into each boiler in a coal bunker through a coal conveying pipeline, generally, the coal in the coal conveying pipeline moves downwards through the dead weight of the coal, and due to different sizes of coal blocks, the coal blocks can be blocked in the coal conveying pipeline in the conveying process, so that the coal cannot be supplied to next equipment in time, the progress of the whole production line is blocked, and the production efficiency is seriously influenced; when the coal conveying pipeline has the coal blockage phenomenon, workers cannot see the condition inside the coal conveying pipeline, so that the coal blockage event cannot be found in time, the time for dredging the coal conveying pipeline is prolonged, and the stagnation time of a production line is further prolonged; when workers find the coal blockage, the adopted method comprises the steps of manually holding a hammer to beat and dredging by a vibrator; but the dredging mode not only has high labor intensity, but also has extremely low efficiency; therefore, a blockage dredging device is needed, which is required to timely find the blockage of the coal conveying pipeline and dredge the blocked part of the coal conveying pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a lead to stifled device suitable for coal conveying pipeline, it not only can reduce staff's intensity of labour, can also improve the mediation efficiency under the coal conveying pipeline chute blockage state.
The problem is solved through following technical scheme:
a blockage removing device suitable for a coal conveying pipeline comprises a blockage sensing part, a PLC and a striking part; the blocking induction parts are arranged on the coal conveying pipeline at equal intervals along the axial lead direction of the coal conveying pipeline; a coal conveying pipeline penetrates through the interior of the beating part; the material blockage sensing part comprises a rotating shaft, a turning plate, a spring, a limiting block, a triggering block and a pressure sensor; the rotating shaft is in a horizontal state, a first end of the rotating shaft is connected to the inner wall of the coal conveying pipeline in a shaft coupling mode, a second end of the rotating shaft penetrates through the side wall of the coal conveying pipeline to the outside of the coal conveying pipeline, and the second end of the rotating shaft is vertically connected with the trigger block; the long edge of the turning plate is attached to the outer wall of the rotating shaft; the first end of the spring is arranged on the lower end face of the turning plate, and the second end of the spring is arranged on the inner wall of the coal conveying pipeline below the turning plate; the central line of the trigger block is positioned in the plane where the turnover plate is positioned; the limiting block is arranged on the outer wall of the coal conveying pipeline, the lower end face of the limiting block is in contact with the second end of the rotating shaft, and the lower end face of the limiting block is a horizontal plane; the pressure sensor is arranged on the outer wall of the coal conveying pipeline, is positioned below the second end of the rotating shaft and is matched with the trigger block; the striking part comprises a guide post, a winch, a workbench, a gear transmission mechanism, a magnetic block, a magnetic induction sensor and an impact cylinder; the magnetic block is arranged on the coal conveying pipeline and is positioned in the center between the adjacent material blockage induction parts; the guide post is vertically arranged on the ground around the coal conveying pipeline; the outer edge of the workbench is provided with a vertical through hole, and the vertical through hole is penetrated with a guide post; a winch is arranged above the guide post, and a steel wire rope on the winch is connected with the workbench; a circular working hole is formed in the middle of the workbench, the aperture of the circular working hole is larger than that of the coal conveying pipeline, and the circular working hole is penetrated by the coal conveying pipeline; the magnetic induction sensor is arranged on the inner wall of the circular working hole of the workbench; the gear transmission mechanism is arranged at a circular working hole on the working table; the signal output ends of the pressure sensor and the magnetic block are connected with the signal input end of the PLC; and the signal output end of the PLC is connected with the signal control end of the winch.
According to the blockage removing device suitable for the coal conveying pipeline, the gear transmission mechanism comprises a circular guide rail, a circular gear disc, a motor and a transmission gear; the circular guide rail is arranged on the upper end surface of the workbench, and the diameter of the inner ring of the circular guide rail is larger than that of the circular working hole of the workbench; the circle center of the circular guide rail is superposed with the circle center of the circular working hole of the workbench; the lower end face of the circular gear disc is provided with a circular guide groove, the circular guide groove is matched with the circular guide rail, and the circular gear disc rotates on the circular guide rail; the shell of the motor is arranged on the workbench, an output shaft of the motor is connected with a transmission gear, and teeth on the outer wall of the transmission gear and teeth on the outer wall of the circular gear disc form gear meshing fit; and the signal control end of the motor is connected with the signal output end of the PLC.
According to the blockage removing device suitable for the coal conveying pipeline, the shell of the impact cylinder is arranged on the inner wall of the circular gear disc; the center line of the piston rod of the impact cylinder is crossed with the center line of the coal conveying pipeline; an arc-shaped impact block is arranged at the end part of a piston rod of the impact cylinder, and the arc-shaped surface of the arc-shaped impact block is matched with the outer wall of the coal conveying pipeline; and the control end of the impact air cylinder is connected with the signal output end of the PLC.
The utility model discloses a hit the cooperation of hitting subtotal putty response part and realized in time discovering coal conveying pipeline chute blockage and the purpose of in time dredging, improved coal conveying pipeline coal supply reliability greatly, avoided the production stagnation of production line, reduced staff's intensity of labour.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a three-dimensional depression angle structure of the present invention;
fig. 3 is the schematic view of the three-dimensional structure of the material plugging sensing part of the present invention.
The list of labels in the figure is: 1. the coal conveying device comprises a coal conveying pipeline, 2. a rotating shaft, 3. a turning plate, 4. a spring, 5. a limiting block, 6. a trigger block, 7. a pressure sensor, 8. a guide post, 9. a working table, 10. a magnetic block, 11. an impact cylinder, 12. a magnetic induction sensor, 13. a circular guide rail, 14. a circular gear disc, 15. a motor and 16. a transmission gear.
Detailed Description
Referring to fig. 1, 2 and 3, the utility model comprises a blocking induction part, a PLC and a striking part; the blocking induction part is used for inducing the blocking range of the coal conveying pipeline 1, so that the dredging efficiency is improved; the beating part is used for dredging the pipeline of the blocking part.
The number of the blocking induction parts is multiple, and the blocking induction parts are arranged on the coal conveying pipeline 1 at equal intervals along the axial lead direction of the coal conveying pipeline 1; the specific position of the plugging section can be rapidly judged according to the difference of the trigger signals of the plugging induction parts of different sections; a coal conveying pipeline 1 penetrates through the interior of the beating part; the material blockage sensing part comprises a rotating shaft 2, a turning plate 3, a spring 4, a limiting block 5, a triggering block 6 and a pressure sensor 7; the rotating shaft 2 is in a horizontal state, a first end of the rotating shaft 2 is coupled to the inner wall of the coal conveying pipeline 1, a second end of the rotating shaft 2 penetrates through the side wall of the coal conveying pipeline 1 to the outside of the coal conveying pipeline 1, and a second end of the rotating shaft 2 is vertically connected with a trigger block 6; the long edge of the turning plate 3 is attached to the outer wall of the rotating shaft 2; the first end of the spring 4 is arranged on the lower end face of the turning plate 3, and the second end of the spring 4 is arranged on the inner wall of the coal conveying pipeline 1 below the turning plate 3; the central line of the trigger block 6 is positioned in the plane of the turning plate 3; the limiting block 5 is arranged on the outer wall of the coal conveying pipeline 1, the lower end face of the limiting block 5 is in contact with the second end of the rotating shaft 2, and the lower end face of the limiting block 5 is a horizontal plane; the pressure sensor 7 is arranged on the outer wall of the coal conveying pipeline 1, the pressure sensor 7 is positioned below the second end of the rotating shaft 2, and the pressure sensor 7 is matched with the trigger block 6 for use; when coal falls, the coal falls and presses the upper end surface of the turning plate 3, then the turning plate 3 is pressed and moved downwards, so that the rotating shaft 2 is driven to rotate, the rotating shaft 2 rotates to drive the trigger block 6 to rotate, and the trigger block 6 excites the pressure sensor 7; if the pipeline is blocked, the turning plate 3 of the blocking induction part at the lower end of the blocking part has no pressure from the coal block above, and the spring 4 supports the turning plate below, so the triggering block 6 can not rotate to trigger the pressure sensor 7; after the PLC analyzes that one of the adjacent pressure sensors 7 has a trigger signal and the other does not have the trigger signal, the coal blocking section is positioned in the pressure sensors 7 with two different trigger signals; the limiting block 5 is used for preventing the spring 4 from excessively rotating the turning plate 3, and ensuring that the turning plate can be in a horizontal state when no coal blocks exist, so that the turning plate can bear as many coal blocks as possible to the maximum extent.
The striking part comprises a guide post 8, a winch, a workbench 9, a gear transmission mechanism, a magnetic block 10, a magnetic induction sensor 12 and an impact cylinder 11; the magnetic block 10 is arranged on the coal conveying pipeline 1, and the magnetic block 10 is positioned in the center between the adjacent material blocking induction parts; the guide post 8 is vertically arranged on the ground around the coal conveying pipeline 1; a vertical through hole is formed in the outer edge of the workbench 9, and a guide column 8 penetrates through the vertical through hole; a winch is arranged above the guide post 8, and a steel wire rope on the winch is connected with the workbench 9; the workbench 9 moves up and down through a winch, and the guide column 8 provides a guide function for the workbench 9, so that the workbench 9 can vertically move up and down in a specified track; a circular working hole is formed in the middle of the working platform 9, the aperture of the circular working hole is larger than that of the coal conveying pipeline 1, and the coal conveying pipeline 1 penetrates through the circular working hole; the magnetic induction sensor 12 is arranged on the inner wall of the circular working hole of the working platform 9; the position of the working table 9 is judged by the induction of the magnetic blocks 10 on the working table 9 and the magnetic induction sensor 12 on the coal conveying pipeline 1; the gear transmission mechanism is arranged at a circular working hole on the working table 9; the signal output ends of the pressure sensor 7 and the magnetic block 10 are connected with the signal input end of the PLC; and the signal output end of the PLC is connected with the signal control end of the winch.
The gear transmission mechanism comprises a circular guide rail 13, a circular gear disc 14, a motor 15 and a transmission gear 16; the circular guide rail 13 is arranged on the upper end face of the workbench 9, and the diameter of the inner ring of the circular guide rail 13 is larger than that of the circular working hole of the workbench 9; the circle center of the circular guide rail 13 is superposed with the circle center of the circular working hole of the workbench 9; a circular guide groove is formed in the lower end face of the circular gear disc 14 and is matched with the circular guide rail 13, and the circular gear disc 14 rotates on the circular guide rail 13; the shell of the motor 15 is arranged on the workbench 9, an output shaft of the motor 15 is connected with a transmission gear 16, and teeth on the outer wall of the transmission gear 16 and teeth on the outer wall of the circular gear disc 14 form gear meshing fit; the signal control end of the motor 15 is connected with the signal output end of the PLC; through the action of motor 15, its output shaft drives drive gear 16 and rotates, and drive gear 16 drives pinion disc 14 and rotates to make the pipeline of jam section carry out all-round striking, shake its inside jam with the impact cylinder 11 on the pinion disc 14, make its mediation.
The shell of the impact cylinder 11 is arranged on the inner wall of a circular gear disc 14; the central line of the piston rod of the impact cylinder 11 is crossed with the central line of the coal conveying pipeline 1; an arc-shaped impact block is arranged at the end part of a piston rod of the impact cylinder 11, and the arc-shaped surface of the arc-shaped impact block is matched with the outer wall of the coal conveying pipeline 1; and the control end of the impact cylinder 11 is connected with the signal output end of the PLC.
And (3) actual operation: in the actual operation process, if the upper pressure sensor 7 has a trigger signal and the lower pressure sensor 7 has no trigger signal between the upper and lower adjacent blockage sensing parts, the blockage of the section of pipeline is indicated; then the winch acts to control the workbench 9 to move upwards until the magnetic induction sensor 12 on the blocking section senses a signal from the magnetic block 10, and the winch stops acting; then the PLC controls the motor 15 and the impact cylinder 11 to act, and the blocked section is dredged.
Claims (3)
1. The utility model provides a lead to stifled device suitable for coal conveying pipeline which characterized in that: comprises a blocking induction part, a PLC and a striking part; the number of the blocking induction parts is multiple, and the blocking induction parts are arranged on the coal conveying pipeline (1) at equal intervals along the axial lead direction of the coal conveying pipeline (1); a coal conveying pipeline (1) penetrates through the interior of the beating part; the material blockage sensing part comprises a rotating shaft (2), a turning plate (3), a spring (4), a limiting block (5), a triggering block (6) and a pressure sensor (7); the rotating shaft (2) is in a horizontal state, a first end of the rotating shaft (2) is connected to the inner wall of the coal conveying pipeline (1) in a shaft coupling mode, a second end of the rotating shaft (2) penetrates through the side wall of the coal conveying pipeline (1) to the outside of the coal conveying pipeline (1), and a trigger block (6) is vertically connected to the second end of the rotating shaft (2); the long edge of the turning plate (3) is attached to the outer wall of the rotating shaft (2); the first end of the spring (4) is arranged on the lower end face of the turning plate (3), and the second end of the spring (4) is arranged on the inner wall of the coal conveying pipeline (1) below the turning plate (3); the central line of the trigger block (6) is positioned in the plane where the turning plate (3) is positioned; the limiting block (5) is arranged on the outer wall of the coal conveying pipeline (1), the lower end face of the limiting block (5) is in contact with the second end of the rotating shaft (2), and the lower end face of the limiting block (5) is a horizontal plane; the pressure sensor (7) is arranged on the outer wall of the coal conveying pipeline (1), the pressure sensor (7) is located below the second end of the rotating shaft (2), and the pressure sensor (7) is matched with the trigger block (6) for use; the striking part comprises a guide column (8), a winch, a workbench (9), a gear transmission mechanism, a magnetic block (10), a magnetic induction sensor (12) and an impact cylinder (11); the magnetic block (10) is arranged on the coal conveying pipeline (1), and the magnetic block (10) is positioned in the center between the adjacent material blocking induction parts; the guide column (8) is vertically arranged on the ground around the coal conveying pipeline (1); a vertical through hole is formed in the outer edge of the workbench (9), and a guide column (8) penetrates through the vertical through hole; a winch is arranged above the guide column (8), and a steel wire rope on the winch is connected with the workbench (9); a round working hole is formed in the middle of the working platform (9), the aperture of the round working hole is larger than that of the coal conveying pipeline (1), and the round working hole is penetrated through the coal conveying pipeline (1); the magnetic induction sensor (12) is arranged on the inner wall of the circular working hole of the working platform (9); the gear transmission mechanism is arranged at a circular working hole on the working table (9); the signal output ends of the pressure sensor (7) and the magnetic block (10) are connected with the signal input end of the PLC; and the signal output end of the PLC is connected with the signal control end of the winch.
2. The blockage removing device suitable for the coal conveying pipeline as claimed in claim 1, wherein: the gear transmission mechanism comprises a round guide rail (13), a round gear disc (14), a motor (15) and a transmission gear (16); the circular guide rail (13) is arranged on the upper end surface of the workbench (9), and the diameter of the inner ring of the circular guide rail (13) is larger than that of the circular working hole of the workbench (9); the circle center of the circular guide rail (13) is superposed with the circle center of the circular working hole of the workbench (9); a circular guide groove is formed in the lower end face of the circular gear disc (14), the circular guide groove is matched with the circular guide rail (13), and the circular gear disc (14) rotates on the circular guide rail (13); the shell of the motor (15) is arranged on the workbench (9), an output shaft of the motor (15) is connected with a transmission gear (16), and teeth on the outer wall of the transmission gear (16) and teeth on the outer wall of the circular gear disc (14) form gear meshing fit; and a signal control end of the motor (15) is connected with a signal output end of the PLC.
3. The blockage removing device suitable for the coal conveying pipeline as claimed in claim 2, wherein: the shell of the impact cylinder (11) is arranged on the inner wall of the circular gear plate (14); the center line of a piston rod of the impact cylinder (11) is crossed with the center line of the coal conveying pipeline (1); an arc-shaped impact block is arranged at the end part of a piston rod of the impact cylinder (11), and the arc-shaped surface of the arc-shaped impact block is matched with the outer wall of the coal conveying pipeline (1); and the control end of the impact cylinder (11) is connected with the signal output end of the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875845.0U CN214877574U (en) | 2021-04-27 | 2021-04-27 | Stifled device leads to suitable for coal conveying pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875845.0U CN214877574U (en) | 2021-04-27 | 2021-04-27 | Stifled device leads to suitable for coal conveying pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214877574U true CN214877574U (en) | 2021-11-26 |
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ID=78888841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120875845.0U Active CN214877574U (en) | 2021-04-27 | 2021-04-27 | Stifled device leads to suitable for coal conveying pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214877574U (en) |
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2021
- 2021-04-27 CN CN202120875845.0U patent/CN214877574U/en active Active
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