CN212305037U - Coal mine underground motor reducer rotating speed measurement and control early warning device - Google Patents
Coal mine underground motor reducer rotating speed measurement and control early warning device Download PDFInfo
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- CN212305037U CN212305037U CN202021408017.8U CN202021408017U CN212305037U CN 212305037 U CN212305037 U CN 212305037U CN 202021408017 U CN202021408017 U CN 202021408017U CN 212305037 U CN212305037 U CN 212305037U
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Abstract
The utility model provides a colliery is motor reducer rotational speed observes and controls early warning device in pit. The speed measurement device comprises a speed measurement sensor I, a speed measurement sensor II, a controller, a display and an alarm, wherein the speed measurement sensor I is arranged on one side of an output shaft of a motor, the speed measurement sensor II is arranged on one side of an input shaft of a speed reducer, the output shaft of the motor is connected with the input shaft of the speed reducer through a coupling, the speed measurement sensor I and the speed measurement sensor II are respectively connected with the input end of the controller through leads, and the display and the alarm are respectively connected with the output end of the controller; the device can realize the real-time early warning function of the running state of each device in the underground coal mine, changes the traditional maintenance into directional maintenance, reduces the failure rate of the devices, reduces the downtime of the devices, and ensures the safe and orderly production of the mine.
Description
Technical Field
The utility model relates to a mine electromechanical safety technical field, concretely relates to colliery is motor reducer rotational speed observes and controls early warning device in pit.
Background
Along with the promotion of intelligent equipment level in the pit, also higher and higher to the security in the equipment use and durability requirement, the potential safety hazard in the equipment operation process of in time discovering, early warning in advance realizes changing from traditional plan maintenance to the aspect of foreknowledge, directional maintenance, can improve equipment life cycle, the safe orderly production of helping the mine.
The underground motor speed reducers are usually connected by adopting a coupler, the output shaft of a motor is utilized to drive the speed reducer to rotate, and if the coupler between the motor and the speed reducer is damaged or a gear ring is dislocated, the motor can idle, the coupler is damaged, and the speed reducer cannot normally operate. The underground motor reducer is mainly used in the transportation link of coal, if a fault is found at one position, the production of the whole mine can be influenced, so that the running state of the motor reducer is accurately monitored, the real-time early warning function is realized, the failure rate of equipment can be reduced, the equipment downtime can be reduced, and the safety and the reliability of the whole production system can be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a colliery is motor reducer rotational speed observes and controls early warning device in pit, including speed sensor I, speed sensor II, a controller, a display, the alarm, speed sensor I installs on the motor, and with the output shaft homonymy of motor, speed sensor II installs on the reduction gear, and with the input shaft homonymy of reduction gear, motor output shaft and reduction gear input shaft pass through the coupling joint, speed sensor I, speed sensor II connect the input at the controller through the wire respectively, a display, the alarm connects the output at the controller through the wire respectively;
the speed measuring sensor I is used for acquiring the rotating speed v of the output shaft of the motor1；
The speed measuring sensor II is used for acquiring the rotating speed v of the input shaft of the speed reducer2；
The controller is used for receiving the rotating speed v acquired by the speed measuring sensor I and the speed measuring sensor II1、v2By comparison of v1、v2Judging whether the signal is an alarm signal;
the display is used for displaying in real timeShows the rotational speed v1、v2When an alarm signal sent by the controller is received, alarm information is displayed;
the alarm is used for carrying out alarm prompt on the received alarm signal.
Further, the controller compares v1、v2Whether the alarm signal is the alarm signal or not is judged, and the specific expression is as follows: when v is1＝v2When the alarm signal is not sent, the controller judges that the alarm signal is not sent, and the state position 0 of the alarm signal is stored; when v is1≠v2When the alarm signal is detected, the controller judges the alarm signal and stores the state position 1 of the alarm signal.
The utility model has the advantages that:
the utility model provides a colliery is motor reducer rotational speed observes and controls early warning device in pit will observe and control early warning device and install respectively on colliery belt conveyor, scraper conveyor and elevating conveyor in the pit, can the running state of every equipment of real time monitoring, realize the function of real-time early warning, realized moreover that the tradition overhauls the effect to directional maintenance conversion, can effectively reduce the fault rate of equipment, reduce equipment down time, the safe orderly production of guarantee mine.
Drawings
Fig. 1 is a system block diagram of a coal mine underground motor reducer rotation speed measurement and control early warning device in the utility model;
fig. 2 is a schematic structural view of the rotating speed measurement and control early warning device of the coal mine underground motor reducer of the utility model;
FIG. 3 is a flow chart of the alarm signal determination of the present invention;
fig. 4 is an electrical schematic diagram of the present invention;
in the figure: 1. the device comprises a motor, 2, a speed reducer, 3, speed measuring sensors I and 4, speed measuring sensors II and 5, a coupler, 6, a motor output shaft, 7, a speed reducer input shaft, 8, a controller, 9, a display, 10 and an alarm.
Detailed Description
The following description of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-2, a coal mine underground motor speed reducer rotation speed measurement and control early warning device comprises a speed measurement sensor I, a speed measurement sensor II, a controller, a display and an alarm, wherein the speed measurement sensor I is installed on a motor and is at the same side as an output shaft of the motor, the speed measurement sensor II is installed on the speed reducer and is at the same side as an input shaft of the speed reducer, the output shaft of the motor is connected with an input shaft of the speed reducer through a coupling, the speed measurement sensor I and the speed measurement sensor II are respectively connected to an input end of the controller through wires, and the display and the alarm are respectively connected to an output end;
the speed measuring sensor I is used for acquiring the rotating speed v of the output shaft of the motor1；
The speed measuring sensor II is used for acquiring the rotating speed v of the input shaft of the speed reducer2；
The controller is used for receiving the rotating speed v acquired by the speed measuring sensor I and the speed measuring sensor II1、v2By comparison of v1、v2The flow chart is shown in fig. 3, and is specifically expressed as follows: when v is1＝v2When the alarm signal is not sent, the controller judges that the alarm signal is not sent, and the state position 0 of the alarm signal is stored; when v is1≠v2When the alarm signal is detected, the controller judges the alarm signal and stores the state position 1 of the alarm signal.
The display is used for displaying the rotating speed v in real time1、v2When an alarm signal sent by the controller is received, alarm information is displayed;
the alarm is used for carrying out alarm prompt on the received alarm signal.
The controller adopted in the embodiment is a single chip microcomputer, and the acquired analog quantity signal is required to be converted into a digital quantity signal and then transmitted to the single chip microcomputer, wherein the model of the single chip microcomputer is an AT89C51 single chip microcomputer, and the model of an A/D conversion module is AD 0809; the model of the speed measuring sensor I and the model of the speed measuring sensor II are GSH 10; the display is an LED display screen; the alarm is a KXB127 audible and visual language alarm, and the wiring schematic diagram is shown in FIG. 4. Speed sensor I installs on the motor, apart from the top about output shaft axis 20mm, and speed sensor II installs on the reduction gear, apart from the top about input shaft axis 20mm, will observe and control early warning device when the colliery is used in the pit, install respectively on colliery belt conveyor, scraper conveyor and elevating conveyor in the pit, gather the rotational speed of motor output shaft, the reduction gear input shaft of each equipment in real time, realize the real-time early warning control to each equipment.
Claims (2)
1. A coal mine underground motor reducer rotation speed measurement and control early warning device is characterized by comprising a speed measurement sensor I, a speed measurement sensor II, a controller, a display and an alarm, wherein the speed measurement sensor I is installed on a motor and is positioned at the same side of an output shaft of the motor;
the speed measuring sensor I is used for acquiring the rotating speed v of the output shaft of the motor1；
The speed measuring sensor II is used for acquiring the rotating speed v of the input shaft of the speed reducer2；
The controller is used for receiving the rotating speed v acquired by the speed measuring sensor I and the speed measuring sensor II1、v2By comparison of v1、v2Judging whether the signal is an alarm signal;
the display is used for displaying the rotating speed v in real time1、v2When an alarm signal sent by the controller is received, alarm information is displayed;
the alarm is used for carrying out alarm prompt on the received alarm signal.
2. The device of claim 1, wherein the controller compares v to compare v for measuring and warning the rotation speed of the motor reducer in the coal mine1、v2Whether the alarm signal is the alarm signal or not is judged, and the specific expression is as follows: when v is1＝v2When the controller judges thatNon-alarm signal, storing the state position 0 of the alarm signal; when v is1≠v2When the alarm signal is detected, the controller judges the alarm signal and stores the state position 1 of the alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408017.8U CN212305037U (en) | 2020-07-16 | 2020-07-16 | Coal mine underground motor reducer rotating speed measurement and control early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021408017.8U CN212305037U (en) | 2020-07-16 | 2020-07-16 | Coal mine underground motor reducer rotating speed measurement and control early warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212305037U true CN212305037U (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021408017.8U Active CN212305037U (en) | 2020-07-16 | 2020-07-16 | Coal mine underground motor reducer rotating speed measurement and control early warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212305037U (en) |
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2020
- 2020-07-16 CN CN202021408017.8U patent/CN212305037U/en active Active
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