CN-224211813-U - Automatic control device for coal bin coal feeder

Abstract

The utility model belongs to the technical field of coal mine mechanical equipment, and aims to solve the problem of lower smashing resistance of a coal feeder. The utility model provides a coal bunker feeder automatic control device, the coal feeder is erect in the top of sticky tape conveyer through the feeder damping base, the coal bunker is located the top of coal feeder and is connected with the feed inlet of coal feeder through flowing the coal mouth, the bobbing machine is installed in the lateral wall department of coal feeder and is arranged in vibrating the deposited coal in the coal feeder and make it loose, the coal outlet at the coal feeder is rotated through slewing mechanism to the coal feeder gate, coal feeder and coal mouth department all are provided with water coal sensor and vibration sensor, slewing mechanism, water coal sensor, vibration sensor and bobbing machine all with controller electric connection. The utility model reforms the dustpan of the coal feeder into a floor type supporting type, adds the buffer device, can improve the crashproof capability, and simultaneously, the bottom of the dustpan always keeps a certain amount of stored coal by reforming the horizontal bottom of the coal receiving dustpan at the bottom of the coal chute, thereby playing a role of buffering.

Inventors

• WANG XIAOHONG
• SHEN SHAOFENG
• ZHANG RUISHENG
• WANG SHAOQING
• ZHANG QIAN
• HOU ZHONG
• ZHANG XING
• LI WEIHUA
• ZHANG JING

Assignees

• 山西潞安环保能源开发股份有限公司王庄煤矿

Dates

Publication Date

20260508

Application Date

20250430

Claims (8)

1. 1. The automatic control device of the coal bunker coal feeder is characterized by comprising a coal feeder (1), a coal bunker (2), a coal feeder vibration reduction base, a vibrator (4), a coal feeder gate (5) and a controller; The coal feeder (1) is erected above the rubber belt conveyor through the coal feeder vibration reduction base, the coal bin (2) is located above the coal feeder (1) and is connected with a feed inlet of the coal feeder (1) through the coal flowing nozzle (6), the vibrator (4) is installed at the side wall of the coal feeder (1) and is used for vibrating deposited coal in the coal feeder (1) to enable the deposited coal to fall down, the coal feeder gate (5) is rotationally connected with a coal outlet of the coal feeder (1) through the rotating mechanism, the coal feeder (1) and the coal flowing nozzle (6) are both provided with the water coal sensor and the vibration sensor, and the rotating mechanism, the water coal sensor, the vibration sensor and the vibrator (4) are all electrically connected with the controller.
2. 2. The automatic control device for the coal bunker coal feeder according to claim 1, wherein the vibration reduction base of the coal bunker coal feeder comprises a supporting frame (3.1) and buffering devices (3.2), the supporting frame (3.1) is erected at a rubber belt conveyor, and a plurality of buffering devices (3.2) are uniformly arranged between a top plate of the supporting frame (3.1) and a bottom plate of the coal feeder (1).
3. 3. The automatic control device for the coal bunker coal feeder is characterized in that the rotating mechanism is a pneumatic cylinder (7) connected with a compressed air pipeline laid in a belt roadway, an electromagnetic valve is arranged between the compressed air pipeline and the pneumatic cylinder (7), the electromagnetic valve is electrically connected with the controller, the free end of the pneumatic cylinder (7) is rotatably connected with a coal feeder gate (5), the bottom end of the pneumatic cylinder is rotatably connected with the side wall of a coal flowing nozzle (6) through a hinging seat, and one end, close to the coal flowing nozzle (6), of the coal feeder gate (5) is rotatably connected with the side wall of the coal flowing nozzle (6) through a rotating shaft and the hinging seat.
4. 4. The automatic control device for the coal bunker coal feeder according to claim 1, wherein the water-coal sensor comprises a water-coal sensor I (8.1) and a water-coal sensor II (8.2), the water-coal sensor I (8.1) is arranged at the side wall of the coal flowing nozzle (6) and used for detecting the humidity of coal in the coal flowing nozzle (6), the water-coal sensor I (8.1) is arranged at the coal outlet of the coal feeder (1) and used for detecting the humidity of coal at the coal feeder (1), and a shield is arranged at the upper end of a part of the water-coal sensor I (8.1) arranged inside the coal flowing nozzle (6).
5. 5. The automatic control device for the coal bunker coal feeder according to claim 1, wherein the vibration sensor comprises a vibration sensor I (9.1) and a vibration sensor II (9.2), wherein the vibration sensor I (9.1) is arranged at the side wall of the coal flowing nozzle (6) and is used for detecting the vibration of the coal flowing nozzle (6), and the vibration sensor II (9.2) is arranged at the side wall of the coal feeder (1) and is used for detecting the vibration of the coal feeder (1).
6. 6. The automatic control device for the coal bunker coal feeder according to claim 1, wherein the vibrator (4) is arranged at one end far away from the coal bunker coal feeder gate (5), and the controller is electrically connected with a starter of the vibrator (4).
7. 7. The automatic control device for the coal bunker coal feeder is characterized in that a manual control mechanism is further arranged at the vibrator (4) and the coal bunker coal feeder gate (5) and used for manually controlling the start and stop of the vibrator (4) and the switch of the coal bunker coal feeder gate (5), the automatic control device further comprises a belt start and stop sensor (10) arranged at the rubber belt conveyor and an audible and visual alarm arranged at the coal bunker, and the belt start and stop sensor (10) and the audible and visual alarm are electrically connected with a controller.
8. 8. The automatic control device of the coal bunker coal feeder of claim 1, wherein the bottom plate of the coal feeder (1) is a horizontal dustpan bottom.

Description

Automatic control device for coal bin coal feeder Technical Field The utility model belongs to the technical field of coal mine mechanical equipment, and particularly relates to an automatic control device for a coal bin coal feeder. Background The fully-mechanized coal mining working face is connected with the conveying roadway belt through the belt and the coal chute, and the coal chute barrel is vertical, so that the falling coal is directly smashed on the coal receiving dustpan below the coal chute, the service life of the coal feeding dustpan is shortened, and meanwhile, the splashed stone and carbon blocks can damage the belt below and maintenance personnel and road passing personnel beside the coal chute. Because the size of the opening of the coal bunker lower opening is fixed, the phenomena of large stone blocking and uncontrollable water and coal gushing often occur, and the safety production of the coal mine is seriously affected. Meanwhile, as the coal bunker is deeper, the large carbon and stone fall down to have strong impact force and vibration force on the coal feeding dustpan, the rigid joint and the coal feeding dustpan are frequently welded, broken and worn, and the normal production of the working face is also seriously affected. Disclosure of utility model The utility model provides an automatic control device for a coal bin coal feeder, which aims to solve at least one technical problem in the prior art. The automatic control device for the coal bunker coal feeder comprises a coal feeder, a coal bunker, a coal feeder vibration reduction base, a vibrator, a coal feeder gate and a controller, wherein the coal feeder is arranged above a rubber belt conveyor through the coal feeder vibration reduction base, the coal bunker is arranged above the coal feeder and is connected with a feed inlet of the coal feeder through a coal flowing nozzle, the vibrator is arranged on the side wall of the coal feeder and is used for vibrating deposited coal in the coal feeder to loosen the deposited coal, the coal feeder gate is rotatably connected with a coal outlet of the coal feeder through a rotating mechanism, water-coal sensors and vibration sensors are arranged at the coal feeder and the coal flowing nozzle, and the rotating mechanism, the water-coal sensors, the vibration sensors and the vibrator are electrically connected with the controller. Preferably, the vibration reduction base of the coal feeder comprises a supporting frame and a buffering device, wherein the supporting frame is erected at the rubber belt conveyor, and a plurality of buffering devices are uniformly arranged between a top plate of the supporting frame and a bottom plate of the coal feeder. The automatic coal feeder is characterized in that the rotating mechanism is a pneumatic cylinder connected with a compressed air pipeline laid in a belt roadway, an electromagnetic valve is arranged between the compressed air pipeline and the pneumatic cylinder and is electrically connected with the controller, the free end of the pneumatic cylinder is rotationally connected to a coal feeder gate, the bottom end of the pneumatic cylinder is rotationally connected with the side wall of the coal flow nozzle through a hinging seat, and one end, close to the coal flow nozzle, of the coal feeder gate is rotationally connected with the side wall of the coal flow nozzle through a rotating shaft and the hinging seat. Preferably, the water-coal sensor comprises a water-coal sensor I and a water-coal sensor I I, wherein the water-coal sensor I is arranged at the side wall of the coal flowing nozzle and is used for detecting the humidity of coal in the coal flowing nozzle, the water-coal sensor I is arranged at the coal outlet of the coal feeder and is used for detecting the humidity of coal at the coal feeder, and a shield is arranged at the upper end of the part of the water-coal sensor I, which is arranged in the coal flowing nozzle. Preferably, the vibration sensor includes a vibration sensor I disposed at a sidewall of the coal flow nozzle for detecting vibration of the coal flow nozzle and a vibration sensor I I disposed at a sidewall of the coal feeder for detecting vibration of the coal feeder, and the vibration sensor I I. Preferably, the vibrator is disposed at an end remote from the coal feeder gate, and the controller is electrically connected to a starter of the vibrator. Preferably, the vibrator and the coal feeder gate are also provided with a manual control mechanism for manually controlling the start and stop of the vibrator and the switch of the coal feeder gate, and the vibrator and the coal feeder gate also comprise a belt start and stop sensor arranged at the belt conveyor and an audible and visual alarm arranged at the coal bunker, wherein the belt start and stop sensor and the audible and visual alarm are electrically connected with the controller. Preferably, the bottom plate of the coal feeder is a horizontal dustpan bottom. C