CN213812992U - Automatic control device for coal sampling of thermal power plant - Google Patents
Automatic control device for coal sampling of thermal power plant Download PDFInfo
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- CN213812992U CN213812992U CN202022938674.XU CN202022938674U CN213812992U CN 213812992 U CN213812992 U CN 213812992U CN 202022938674 U CN202022938674 U CN 202022938674U CN 213812992 U CN213812992 U CN 213812992U
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Abstract
The utility model discloses an automatic sampling control device for coal entering a thermal power plant, which comprises a mounting frame, a sampling tube arranged on the mounting frame, an extraction structure arranged in the sampling tube and an automatic collection structure arranged at the outlet end of the sampling tube; the side of mounting bracket is fixed with the control rod, the sampling tube is L type structure, and this thermal power plant goes into coal of factory sample automatic control device: firstly, the controller controls the pull-down structure to work, the pull-down structure enables the mounting frame to descend, the sampling tube is further inserted into the coal material, and then the controller controls the extraction structure to work, so that automatic sampling can be realized, the operation is simple, the used time is short, and the use is more convenient; and secondly, the power structure is controlled by the controller to drive the mounting disc to rotate and replace different collecting boxes, so that samples at different positions can be automatically collected, the automation degree is high, and the sampling efficiency is greatly improved.
Description
Technical Field
The utility model relates to a go into coal sampling technical field, specifically be a coal sampling automatic control device of going into factory of thermal power plant.
Background
The thermal power plant is called thermal power plant for short, and is a plant for producing electric energy by using combustible (such as coal) as fuel, and coal entering the thermal power plant is generally required to be sampled and detected when pulverized coal enters the thermal power plant, because the fineness of the pulverized coal directly relates to the combustion efficiency of a boiler of the thermal power plant, at present, pulverized coal sampling of the thermal power plant is mainly manual sampling.
The existing manual sampling operation is complicated, the sampling time is long, and the use is inconvenient; and different sample positions need different sample boxes to load, and current manual sampling speed is slow, and degree of automation is low, very big reduction sampling efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose, in order to solve the complex operation of taking a sample, the live time is long, and the problem and the artifical manual sampling speed that are not convenient for use are slow, and degree of automation is low, the technical problem of sample inefficiency.
The technical scheme of the utility model is realized like this: an automatic control device for coal sampling of a thermal power plant, which comprises a mounting frame, a sampling tube arranged on the mounting frame, an extraction structure arranged in the sampling tube and an automatic collection structure arranged at the outlet end of the sampling tube;
an operating rod is fixed on the side face of the mounting rack, the sampling tube is of an L-shaped structure, and a feeding hole is formed in the bottom of the vertical pipeline of the sampling tube;
the extraction structure comprises an impeller arranged in a vertical pipeline of the sampling tube and a first motor fixed on the mounting frame through a support, an output shaft of the first motor is fixedly connected with the center of the impeller through a connecting shaft, the lower end of the impeller is rotatably connected with the inner bottom end of the vertical pipeline of the sampling tube through a bearing, and the connecting shaft is mechanically sealed with the side wall of the sampling tube;
the automatic collection structure comprises a mounting disc, a guide wheel, a collection box and a power structure, wherein the mounting disc is rotatably connected to the outlet end of the sampling tube, the guide wheel is fixed to the outlet end of the sampling tube, the collection box is arranged on the mounting disc in a circular array mode, the power structure is arranged on the mounting frame, the collection box comprises a box body, a sealing cover, a guide plate and a spring frame, the box body is inserted into the mounting disc, the sealing cover is connected to the top of the box body in a sliding mode, the guide plate is arranged on the top face of the sealing cover, the spring frame is fixed to the end side of the box body, the spring frame is connected with the sealing cover through springs, the guide plate is matched with the guide wheel, and the outlet of the sampling tube corresponds to the port of the box body.
Preferably, the power structure comprises a second motor fixed at the top of the mounting frame, a gear is fixedly connected to the end of an output shaft of the second motor, a circle of gear ring is arranged on the side face of the mounting disc, the gear is meshed with the gear ring, and the power structure mainly drives the rotating disc to rotate, so that the collecting box rotates, and different collecting boxes are replaced.
Preferably, pull-down structures are arranged on two sides of the mounting frame, each pull-down structure comprises an auger rotatably connected to the side face of the mounting frame and a motor III fixed to the top face of the mounting frame, an output shaft of the motor III is fixedly connected with the center of the auger, the auger is arranged in parallel with the vertical pipeline of the sampling tube, and the pull-down structures mainly provide downward pulling force to enable the sampling tube to be inserted into the coal.
Preferably, the both sides of mounting bracket are equipped with the removal structure, remove the structure including fixing the backup pad on the mounting bracket and rotating the running roller of connecting at the backup pad end, remove the structure and mainly make things convenient for to remove this thermal power plant and go into coal sample automatic control device of factory.
Preferably, the end of the operating lever is fixed with a controller, the input end of the controller is electrically connected with the output end of an external power supply, the output end of the controller is electrically connected with the input end of the first motor, the input end of the second motor and the input end of the third motor, and the controller mainly plays a role in controlling the first motor, the second motor and the third motor.
The beneficial effects of the utility model are summarized as: firstly, the controller controls the pull-down structure to work, the pull-down structure enables the mounting frame to descend, the sampling tube is further inserted into the coal material, and then the controller controls the extraction structure to work, so that automatic sampling can be realized, the operation is simple, the used time is short, and the use is more convenient; and secondly, the power structure is controlled by the controller to drive the mounting disc to rotate and replace different collecting boxes, so that samples at different positions can be automatically collected, the automation degree is high, and the sampling efficiency is greatly improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the collecting box of the present invention;
fig. 3 is a schematic structural diagram of the extraction structure and the power structure of the present invention.
In the figure: the device comprises a mounting frame 1, a sampling tube 2, a pull-down structure 3, an auger 31, a motor three 32, an automatic collection structure 4, a power structure 40, a motor two 401, a gear 402, a gear ring 403, a mounting disc 41, a collection box 42, a box body 421, a closure cover 422, a guide plate 423, a spring frame 424, a spring 425, a guide wheel 43, an extraction structure 5, an impeller 51, a motor one 52, a connecting shaft 53, a feed inlet 6, a control lever 7, a moving structure 8, a support plate 81, a roller 82 and a controller 9.
Detailed Description
In order to deepen the utility model discloses an understanding, it is right below to combine example and drawing the utility model relates to a coal sampling automatic control device of thermal power plant goes into factory does further detailed description, and this embodiment only is used for explaining the utility model discloses, does not constitute the restriction to the scope of protection of the utility model.
As shown in fig. 1 to 3, an automatic sampling control device for coal entering a thermal power plant comprises a mounting frame 1, a sampling tube 2 arranged on the mounting frame 1, an extraction structure 5 arranged inside the sampling tube 2, and an automatic collection structure 4 arranged at the outlet end of the sampling tube 2; an operating rod 7 is fixed on the side surface of the mounting rack 1, the sampling tube 2 is of an L-shaped structure, and a feeding hole 6 is formed in the bottom of a vertical pipeline of the sampling tube 2; the extraction structure 5 comprises an impeller 51 arranged in a vertical pipeline of the sampling tube 2 and a motor I52 fixed on the mounting frame 1 through a support, an output shaft of the motor I52 is fixedly connected with the center of the impeller 51 through a connecting shaft 53, the lower end of the impeller 51 is rotatably connected with the inner bottom end of the vertical pipeline of the sampling tube 2 through a bearing, and the connecting shaft 53 is mechanically sealed with the side wall of the sampling tube 2; the automatic collecting structure 4 comprises a mounting disc 41 rotatably connected to the outlet end of the sampling tube 2, a guide wheel 43 fixed at the outlet end of the sampling tube 2, a collecting box 42 circularly arrayed on the mounting disc 41 and a power structure 40 arranged on the mounting frame 1, wherein the collecting box 42 comprises a box body 421 inserted on the mounting disc 41, a sealing cover 422 slidably connected to the top of the box body 1, a guide plate 423 arranged on the top surface of the sealing cover 422 and a spring frame 424 fixed on the end side of the box body 421, the spring frame 424 is connected with the sealing cover 422 through a spring 425, the guide plate 423 is matched with the guide wheel 43 for use, and the outlet of the sampling tube 2 is arranged corresponding to the port of the box body 1; the power structure 40 comprises a second motor 401 fixed on the top of the mounting frame 1, the end part of an output shaft of the second motor 401 is fixedly connected with a gear 402, a circle of gear ring 403 is arranged on the side surface of the mounting disc 41, the gear 402 is meshed with the gear ring 403, the power structure 40 mainly drives the rotating disc 41 to rotate, so that the collecting box 42 rotates, and replacement of different collecting boxes 42 is realized; two sides of the mounting frame 1 are provided with pull-down structures 3, each pull-down structure 3 comprises an auger 31 rotatably connected to the side surface of the mounting frame 1 and a motor III 32 fixed to the top surface of the mounting frame 1, an output shaft of the motor III 32 is fixedly connected with the center of the auger 31, the auger 31 is arranged in parallel with a vertical pipeline of the sampling tube 2, and the pull-down structures 3 mainly provide downward pulling force to enable the sampling tube 2 to be inserted into coal; the two sides of the mounting rack 1 are provided with the moving structures 8, each moving structure 8 comprises a supporting plate 81 fixed on the mounting rack 1 and a roller 82 rotatably connected to the end of the supporting plate 81, and the moving structures 8 are mainly used for conveniently moving the automatic coal sampling control device of the thermal power plant; the end of the operating lever 7 is fixed with a controller 9, the input end of the controller 9 is electrically connected with the output end of an external power supply, the output end of the controller 9 is electrically connected with the input end of the first motor 52, the input end of the second motor 401 and the input end of the third motor 32, and the controller 9 mainly plays a role in controlling the first motor 52, the second motor 401 and the third motor 32.
The operation is explained, firstly, the coal sampling automatic control device of the thermal power plant is placed on the top of the coal material, then the controller 9 controls the motor three 32 to work, the motor three 32 drives the auger 31 to rotate, the auger 31 drills into the coal powder and simultaneously generates a pull-down force to pull the mounting frame 1 to descend, so that the sampling tube 2 is inserted into the coal powder, then the coal powder flows into the feeding hole 6 of the sampling tube 2, then the controller 9 controls the motor one 52 to work, the motor one 52 drives the connecting shaft 53 and the impeller 51 to rotate, the impeller 51 rotates to enable the coal powder entering the feeding hole 6 to be conveyed upwards in the sampling tube 2, finally the coal powder is sent out from the outlet end of the sampling tube 2 and falls into the box body 421, after the box body 421 is full, the controller 9 controls the pull-down structure 3 to work, the auger 31 is rotated reversely, so that the sampling tube 2 is extracted from the coal material, then the controller 9 controls the motor one 52 to rotate reversely to discharge the redundant coal material from the feeding hole 6, after sampling is finished, repeating the steps to sample the coal material at any position; after the sample is accomplished, the work of two 401 of controller 9 control motors, two 401 drive gear 402 rotations of motor, gear 402 drives ring gear 403 rotatory, ring gear 403 drives mounting disc 41 rotation, it is rotatory to make the box body 401 of just having adorned the coal charge sample, and then guide pulley 43 slippage deflector 423, spring 425 rebounds this moment makes closing cap 422 seal box body 421, accomplish the sample and collect, along with the rotation of mounting disc 41, next deflector 423 and guide pulley 43 contact, deflector 423 produces the displacement, and then make closing cap 422 open, accomplish the change of box body 421, then take a sample again can, the optional model of controller 9 is the STM32 singlechip.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a coal of thermal power plant income factory sample automatic control device which characterized in that: the device comprises a mounting rack (1), a sampling tube (2) arranged on the mounting rack (1), an extraction structure (5) arranged in the sampling tube (2) and an automatic collection structure (4) arranged at the outlet end of the sampling tube (2);
an operating rod (7) is fixed on the side face of the mounting rack (1), the sampling tube (2) is of an L-shaped structure, and a feeding hole (6) is formed in the bottom of a vertical pipeline of the sampling tube (2);
the extraction structure (5) comprises an impeller (51) arranged in a vertical pipeline of the sampling pipe (2) and a first motor (52) fixed on the mounting frame (1) through a support, an output shaft of the first motor (52) is fixedly connected with the center of the impeller (51) through a connecting shaft (53), the lower end of the impeller (51) is rotatably connected with the inner bottom end of the vertical pipeline of the sampling pipe (2) through a bearing, and the connecting shaft (53) is mechanically sealed with the side wall of the sampling pipe (2);
the automatic collection structure (4) comprises a mounting disc (41) rotatably connected to the outlet end of the sampling tube (2), a guide wheel (43) fixed to the outlet end of the sampling tube (2), a collection box (42) of a circular array on the mounting disc (41) and a power structure (40) arranged on the mounting frame (1), wherein the collection box (42) comprises a box body (421) inserted into the mounting disc (41), a sealing cover (422) slidably connected to the top of the box body (421), a guide plate (423) arranged on the top surface of the sealing cover (422) and a spring frame (424) fixed to the end side of the box body (421), the spring frame (424) is connected with the sealing cover (422) through a spring (425), the guide plate (423) is matched with the guide wheel (43) for use, and the outlet of the sampling tube (2) is arranged corresponding to the port of the box body (421).
2. The automatic control device for sampling coal entering a thermal power plant according to claim 1, characterized in that: the power structure (40) comprises a second motor (401) fixed to the top of the mounting frame (1), a gear (402) is fixedly connected to the end portion of an output shaft of the second motor (401), a ring of gear ring (403) is arranged on the side face of the mounting disc (41), and the gear (402) is meshed with the gear ring (403).
3. The automatic control device for sampling coal entering a thermal power plant according to claim 1, characterized in that: both sides of mounting bracket (1) are provided with pull-down structure (3), pull-down structure (3) including rotate connect in mounting bracket (1) side auger (31) and fix motor three (32) at mounting bracket (1) top surface, the output shaft of motor three (32) and the center fixed connection of auger (31), auger (31) and the vertical pipeline parallel arrangement of sampling tube (2).
4. The automatic control device for sampling coal entering a thermal power plant according to claim 1, characterized in that: the both sides of mounting bracket (1) are equipped with removal structure (8), removal structure (8) are including fixing backup pad (81) on mounting bracket (1) and rotating running roller (82) of connecting in backup pad (81) end.
5. The automatic control device for sampling coal entering a thermal power plant according to claim 1, characterized in that: the end of the operating rod (7) is fixed with a controller (9), the input end of the controller (9) is electrically connected with the output end of an external power supply, and the output end of the controller (9) is electrically connected with the input end of the first motor (52), the input end of the second motor (401) and the input end of the third motor (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022938674.XU CN213812992U (en) | 2020-12-10 | 2020-12-10 | Automatic control device for coal sampling of thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022938674.XU CN213812992U (en) | 2020-12-10 | 2020-12-10 | Automatic control device for coal sampling of thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213812992U true CN213812992U (en) | 2021-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022938674.XU Active CN213812992U (en) | 2020-12-10 | 2020-12-10 | Automatic control device for coal sampling of thermal power plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213812992U (en) |
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2020
- 2020-12-10 CN CN202022938674.XU patent/CN213812992U/en active Active
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