CN113526064A - Belt slip warning stop device - Google Patents
Belt slip warning stop device Download PDFInfo
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- CN113526064A CN113526064A CN202010318701.5A CN202010318701A CN113526064A CN 113526064 A CN113526064 A CN 113526064A CN 202010318701 A CN202010318701 A CN 202010318701A CN 113526064 A CN113526064 A CN 113526064A
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- 238000010073 coating (rubber) Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100408455 Arabidopsis thaliana PLC7 gene Proteins 0.000 description 1
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- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/04—Control devices, e.g. for safety, warning or fault-correcting detecting slip between driving element and load-carrier, e.g. for interrupting the drive
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- Control Of Conveyors (AREA)
Abstract
The invention relates to a belt slipping alarm stopping device, which comprises a programmable controller, a fluted disc, a linear Hall sensor, a magnet, a speed measurement counter, a weighing sensor, a weighing counter and an alarm warning lamp, wherein the fluted disc is arranged on a rotating shaft of a measured rotating speed, a linear Hall device and a magnetic circuit system are close to the fluted disc, and a Hall sensor circuit is connected into the weighing counter; the speed measuring counter, the alarm indicator lamp and the weighing counter are installed on the control cabinet, and the PLC is placed on the control cabinet. The weighing sensor, the speed measuring sensor and the motor are arranged on the fixed rack of the conveying belt.
Description
Technical Field
The invention relates to an alarm device, in particular to a belt slipping alarm stopping device, and belongs to the field of electric automation intelligent control management.
Background
After the belt conveyor normally runs, forward friction force generated between the belt and the main roller is equal to backward friction force generated between the belt and the carrier roller and between the belt and the main roller and between the belt and the carrier roller and between the belt and the main roller, and at the moment, the speed of the belt is equal to the linear speed of the outer surface of the roller. When the forward friction force generated between the belt and the main roller is reduced to a certain value, the speed of the belt is reduced and generates a difference value with the rotating speed of the main roller, and at the moment, the belt conveyor slips.
The belt feeder skids and can cause the material to spill, tail chute windrow, more can cause serious accidents such as belt break, motor burnout when serious, brings serious hidden danger for production. The ore dressing plant of Meishan mining division has a conveyor belt of more than 5 kilometers, and the slippage of the belt conveyor is a common problem, the reason is also manifold, and the main focus is on the following aspects: 1. water enters the surface of the belt, when water flow is accumulated in the main roller, the friction force on the belt is insufficient, the belt cannot be supported to move forwards, and the speed of the belt is reduced; 2. the rubber coating of the main roller is damaged, and after the belt conveyor runs for many years, the rubber coating material is aged and deformed or seriously worn, and the friction coefficient between the rubber coating material and the belt can be sharply reduced; 3. the tension of the belt is insufficient, so that sufficient friction driving force cannot be generated between the driving wheel and the belt, and the belt and a load cannot be pulled to move; 4. the machine head chute is piled, the more the materials are piled at the machine head, and even the machine head and the nearby ground are buried, so that the belt is pressed down; 5. the belt conveyor is overloaded and the motor capacity is insufficient, and particularly, a large amount of materials are stored in the belt after abnormal parking, so that equipment is greatly damaged by the belt-loaded start, and the motor is easily burnt out; 6. resistance is increased in the process of belt operation, a roller bearing at the tail of the belt conveyor is locked or large materials enter, the upper and lower carrier rollers of the belt conveyor are blocked, and foreign matters are hung on the belt in a chute at the tail of the belt conveyor. The belt conveyor has frequent slipping phenomenon, the difficulty of post treatment is large, and the safety production is seriously influenced. Therefore, an alarming and stopping device for mine conveying belt slipping is urgently needed.
Disclosure of Invention
The invention provides a belt slipping alarm stopping device aiming at the problems in the prior art, wherein when a belt slips for a certain time, the alarm device acts to stop the belt and simultaneously sends out an alarm signal so as to solve the problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is that the belt slipping alarm stopping device comprises a programmable controller, a fluted disc, a linear Hall sensor, a magnet, a speed measurement counter, a weighing sensor, a weighing counter and an alarm warning lamp, wherein the fluted disc is arranged on a rotating shaft of a measured rotating speed, the linear Hall device and a magnetic circuit system are close to the fluted disc, and a Hall sensor circuit is connected into the weighing counter;
the speed measuring counter, the alarm indicator lamp and the weighing counter are installed on the control cabinet, the PLC is placed on the control cabinet, and the weighing sensor, the speed measuring sensor and the motor are installed on the fixed rack of the conveying belt.
As an improvement of the invention, the wiring circuit of the alarm stopping device comprises a LOGO power live wire, a LOGO power zero wire, a start button SB1, a stop button SB2, a speed alarm J1, a weighing alarm J2, a speed measuring counter, a weighing counter, a load live wire, a fuse F1, a motor contactor coil K1 and an alarm indicator lamp H1, load zero line and LOGO controller, the input of LOGO controller is connected on L1 by the power live wire, the power zero line is connected on the N of LOGO controller, start button SB1, stop button SB2 control power zero line and dock together, start button SB 1's a termination is on the I1 of LOGO controller, stop button SB 2's a termination is on the I2 of LOGO controller, a termination of speed warning J1 is on the I3 of LOGO controller, the other end is connected with the counter that tests the speed, the termination of warning J2 that weighs is on the I4 of LOGO controller, the other end is connected with the counter that weighs.
As an improvement of the invention, the output end of the LOGO controller provides a power supply for controlling a live wire of a coil K1 of a motor contactor and a live wire of an alarm indicator lamp H1 for a fuse F1 through a load live wire, and the other end of the coil K1 is connected to one end of a Q1 contact of the LOGO controller; the other end of the indicator light H1 is connected with one end of a Q2 contact of the LOGO controller; the other end of the Q1 contact and the other end of the Q2 contact are connected with the load neutral wire in parallel.
Compared with the prior art, the non-contact belt slipping alarm device has the advantages that the non-contact belt slipping alarm device is adopted in the technical scheme, the control structure is non-contact control, the alarm value is sampled and calculated through a design program and then is compared with a set alarm value, 10s of delay is realized after the alarm value is reached, an alarm signal is sent out, the belt conveyor stops running, and the phenomenon that the labor intensity of operators is increased due to ore overflowing caused by slipping of the belt is effectively controlled.
Drawings
FIG. 1 is a schematic diagram of the present invention;
FIG. 2 is a schematic view of a belt slip warning device installed;
FIG. 3 is a wiring diagram of a belt slip warning device;
FIG. 4 is a belt slip warning device programming diagram;
FIG. 5 is a diagram showing the operation state of a mine belt slip warning device;
in the figure: 1. a rotating shaft with a measured rotating speed, 2, a fluted disc, 3, a linear Hall, 4, a magnet, 5, a Hall sensor circuit, 6, a speed measuring counter, 7, an alarm indicator lamp, 8, a weighing counter, 9, a conveying belt, 10, a PLC, 11, a control cabinet, 12, a weighing sensor, 13, a speed measuring sensor, 14, a motor, 15, a LOGO power supply live wire, 16, a LOGO power supply zero wire, 17, a start button SB1, 18, a stop button SB2, 19, a speed alarm J1, 20, a weighing alarm J2, 21, a speed measuring counter, 22, a weighing counter, 23, a load live wire, a 24 safety F1, a 25 motor contactor coil K1, a 26 alarm indicator lamp H1, 27, a load zero wire, 28, a LOGO controller, an I1 belt motor start button, an I2 belt motor stop button, an I3 speed alarm output, an I4 alarm output, a B001, B002, B003, B004, an AND gate or a gate, q1 activates the coil, Q2 alarm indicator light.
The specific implementation mode is as follows:
for the purpose of enhancing an understanding of the present invention, the present embodiment will be described in detail below with reference to the accompanying drawings.
Example 1: referring to fig. 1, the belt slipping alarm stopping device comprises a siemens LOGO programmable controller, a fluted disc 2, a linear Hall sensor 3, a magnet 4, a speed measurement counter 6, a weighing sensor 12, a weighing counter 8 and an alarm warning lamp 7, wherein the fluted disc is arranged on a rotating shaft of a measured rotating speed, a linear Hall device and a magnetic circuit system are close to the fluted disc, the rotating speed is measured through the linear Hall sensor, the weighing sensor measures the load of a belt, and the alarm stopping function is realized by combining program comparison.
A fluted disc 2 is arranged on a rotating shaft 1 with a measured rotating speed, a linear Hall device 3 and a magnetic circuit 4 system are close to the fluted disc 2, and a Hall sensor circuit 3 is connected to a weighing counter 8;
the speed measuring counter 6, the alarm indicator lamp 7 and the weighing counter 8 are installed on the control cabinet 11, and the PLC10 is placed on the control cabinet 11. The weighing sensor 12, the speed measuring sensor 13 and the motor 14 are arranged on a fixed frame of the conveying belt 9.
The wiring circuit of the alarm shutdown device comprises a LOGO power live wire 15, a LOGO power neutral wire 16, a start button SB117, a shutdown button SB 218, a speed alarm J119, a weighing alarm J220, a speed measuring counter 21, a weighing counter 22, a load live wire 23, a fuse F124, a motor contactor coil K125, an alarm indicator lamp H126, a load neutral wire 27 and a LOGO controller 28,
The input end of the LOGO controller 28 is connected to the L1 through a power live wire 15, the power zero wire 16 is connected to the N of the LOGO controller 28, and the power zero wire 16 are controlled to be connected together in parallel through a start button SB 117 and a stop button SB 218. One end of the start button SB 117 is connected to I1 of the LOGO controller 28 and one end of the stop button SB 218 is connected to I2 of the LOGO controller 28. One end of the speed alarm J119 is connected to the I3 of the LOGO controller 28, and the other end is connected with the speed measurement counter 21. One end of the weighing alarm J220 is connected to I4 of the LOGO controller 28, and the other end is connected to the weighing counter 22.
The output end of the LOGO controller 28 provides a power supply for the fuse F124 through a load live wire 23 to control a live wire of a motor contactor coil K125 and a live wire of an alarm indicator lamp H126, and the other end of the coil K125 is connected to one end of a Q1 contact of the LOGO controller 28; the other end of indicator light H126 is connected to one end of the Q2 contact of LOGO controller 28; the other end of the contact Q1 and the other end of the contact Q2 are connected with the load neutral wire 27 in parallel.
Installation and working process: referring to fig. 1-4, the mine belt slip alarm stopping device: the automatic weighing system comprises a Siemens LOGO programmable controller, a fluted disc, a linear Hall sensor, a magnet, a weighing sensor, a weighing counter and an alarm warning lamp. A fluted disc is arranged on the rotating shaft of the measured rotating speed, and the linear Hall device and the magnetic circuit system are close to the fluted disc. The rotating speed is measured through the linear Hall sensor, the weighing sensor measures the belt load, and the alarming and stopping functions are realized by combining program comparison. When a starting button SB1 is pressed, a stopping button SB2 is not pressed, signals of a speed alarm J1 and a weighing alarm J2 are not available, and Q1 outputs to enable a coil of a main contactor K1 of a conveyor belt motor to be electrified and then the motor runs. If a speed alarm J1 or a weighing alarm J2 occurs, the coil Q1 is de-energized, and the Q2 is actuated to turn on the alarm indicator light.
A fluted disc is arranged on the rotating shaft of the measured rotating speed, and the linear Hall device and the magnetic circuit system are close to the fluted disc. The rotation of the fluted disc enables the magnetic resistance of the magnetic circuit to periodically change along with the change of the air gap, and the rotating speed of the measured object can be determined after the micro pulse signal output by the Hall device is subjected to blocking, amplification and shaping. When the teeth are aligned with the Hall element, magnetic lines of force pass through the Hall element in a concentrated manner, a larger Hall electromotive force can be generated, and a high level is output after amplification and shaping; conversely, when the neutral position of the gear is aligned with the hall element, the output is low. The measured speed is input into a speed counter and compared with a preset alarm value, and a signal is output to the input end of the PLC after 10s of alarm value delay is achieved.
The weighing sensor is arranged on a longitudinal beam of the belt conveyor, the weight of materials on the belt is detected through a bridge supported by the weighing sensor and a weighing carrier roller, an electric output signal proportional to the load of the belt is generated and input into the weighing counter, the electric output signal is compared with a preset alarm value, and the alarm value is delayed for 10s to output a signal to the input end of the PLC.
After the LOGO programmable controller receives the alarm information, the belt conveyor stops running through a program, and meanwhile, an alarm instruction is sent out.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and all equivalent modifications and substitutions based on the above-mentioned technical solutions are within the scope of the present invention as defined in the claims.
Claims (3)
1. A belt slipping alarm stop device is characterized by comprising a programmable controller, a fluted disc, a linear Hall sensor, a magnet, a speed measurement counter, a weighing sensor, a weighing counter and an alarm warning lamp, wherein the fluted disc is arranged on a rotating shaft of a measured rotating speed, a linear Hall device and a magnetic circuit system are close to the fluted disc, and a Hall sensor circuit is connected to the weighing counter;
the speed measuring counter, the alarm indicator lamp and the weighing counter are installed on the control cabinet, the PLC is placed on the control cabinet, and the weighing sensor, the speed measuring sensor and the motor are installed on the fixed rack of the conveying belt.
2. The belt slip warning and stopping device as claimed in claim 1, wherein the wiring line of the warning and stopping device includes a LOGO power live wire, a LOGO power neutral wire, a start button SB1, a stop button SB2, a speed warning J1, a weighing warning J2, a tachometer counter, a weighing counter, a load live wire, a fuse F1, a motor contactor coil K1, a warning indicator lamp H1, a load neutral wire and a LOGO controller, an input end of the LOGO controller is connected to L1 by the power live wire, the power neutral wire is connected to N of the LOGO controller, a start button SB1, a stop button SB2 controls the power neutral wire to be connected to the power neutral wire, one end of the start button SB1 is connected to I1 of the LOGO controller, one end of the stop button SB2 is connected to I2 of the LOGO controller, one end of the speed warning J1 is connected to I3 of the LOGO controller, the other end is connected to the tachometer counter, and one end of the weighing warning J2 is connected to I4 of the LOGO controller, the other end is connected with a weighing counter.
3. The belt slip warning stop device as claimed in claim 2, wherein the output terminal of the LOGO controller is powered by the live load line to the fuse F1 to control the live power of the motor contactor coil K1 and the live alarm indicator lamp H1, and the other end of the coil K1 is connected to one end of the Q1 contact of the LOGO controller; the other end of the indicator light H1 is connected with one end of a Q2 contact of the LOGO controller; the other end of the Q1 contact and the other end of the Q2 contact are connected with the load neutral wire in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318701.5A CN113526064A (en) | 2020-04-21 | 2020-04-21 | Belt slip warning stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010318701.5A CN113526064A (en) | 2020-04-21 | 2020-04-21 | Belt slip warning stop device |
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| CN113526064A true CN113526064A (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010318701.5A Pending CN113526064A (en) | 2020-04-21 | 2020-04-21 | Belt slip warning stop device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604598A (en) * | 2022-03-28 | 2022-06-10 | 北京科技大学 | Belt conveyor rewinding and belt breakage detection device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB817259A (en) * | 1957-03-07 | 1959-07-29 | Speed Dev Company Ltd | Improvements in temperature alarm systems |
| CN101544306A (en) * | 2009-04-10 | 2009-09-30 | 上海市东方海事工程技术有限公司 | System and method for intelligently controlling electronic weighing type coal feeder |
| CN202499510U (en) * | 2012-04-24 | 2012-10-24 | 重庆钢铁(集团)有限责任公司 | Antiskid detection device for belt conveyor |
| CN206068970U (en) * | 2016-09-23 | 2017-04-05 | 浙江硕成自动化设备有限公司 | Coal feeder control system based on PLC |
| CN107539749A (en) * | 2016-06-29 | 2018-01-05 | 宝山钢铁股份有限公司 | A kind of charging belt material tracking and the method and its device of detection of skidding |
| CN208635893U (en) * | 2018-07-23 | 2019-03-22 | 陕西黑猫焦化股份有限公司 | A kind of coal amount overload warning system |
-
2020
- 2020-04-21 CN CN202010318701.5A patent/CN113526064A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB817259A (en) * | 1957-03-07 | 1959-07-29 | Speed Dev Company Ltd | Improvements in temperature alarm systems |
| CN101544306A (en) * | 2009-04-10 | 2009-09-30 | 上海市东方海事工程技术有限公司 | System and method for intelligently controlling electronic weighing type coal feeder |
| CN202499510U (en) * | 2012-04-24 | 2012-10-24 | 重庆钢铁(集团)有限责任公司 | Antiskid detection device for belt conveyor |
| CN107539749A (en) * | 2016-06-29 | 2018-01-05 | 宝山钢铁股份有限公司 | A kind of charging belt material tracking and the method and its device of detection of skidding |
| CN206068970U (en) * | 2016-09-23 | 2017-04-05 | 浙江硕成自动化设备有限公司 | Coal feeder control system based on PLC |
| CN208635893U (en) * | 2018-07-23 | 2019-03-22 | 陕西黑猫焦化股份有限公司 | A kind of coal amount overload warning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604598A (en) * | 2022-03-28 | 2022-06-10 | 北京科技大学 | Belt conveyor rewinding and belt breakage detection device and method |
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Application publication date: 20211022 |
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| RJ01 | Rejection of invention patent application after publication |