CN104030004B - A kind of belt of belt conveyor skidding method of inspection and belt skidding detecting device thereof - Google Patents
A kind of belt of belt conveyor skidding method of inspection and belt skidding detecting device thereof Download PDFInfo
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- CN104030004B CN104030004B CN201410269198.3A CN201410269198A CN104030004B CN 104030004 B CN104030004 B CN 104030004B CN 201410269198 A CN201410269198 A CN 201410269198A CN 104030004 B CN104030004 B CN 104030004B
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Abstract
The present invention relates to the detection that belt of belt conveyor skids.A kind of belt of belt conveyor skidding method of inspection, step is as follows: 1) on belt conveyor roller and support, be fixedly installed detector switch and block; 2) often circle as one-period with driving drum, set a time period t; 3) output signal of Real-Time Monitoring two groups of detector switches, if the output signal that can't detect detector switch transmission in described time period t, is then judged as slipping of the belt.A kind of monitoring device of belt creep, comprise detector switch, intermediate relay, time relay, annunciator, described detector switch is powered by Switching Power Supply, connect an intermediate relay often organizing in detector switch loop, connect a time relay in each intermediate relay control loop, the master cock of described time relay is in parallel, access slug relay's control loop, the control output signal of described slug relay connects annunciator or Belt Conveying tester in power-down state control loop.
Description
Technical field
The present invention relates to method of inspection and the detection control apparatus of the skidding of a kind of belt of belt conveyor.Utilize proximity switch to detect the running state of conveyor transmission drum.
Background technology
Band conveyor is widely used in agricultural, chemical industry, electric power, the material transmission in the field such as coal and mine.In order to prevent conveyer fault from causing safety misadventure, technical personnel devises sideslip protection and pull switch device.But conveyer is in operational process, due to state and the moisture difference of material, sometimes there will be the situation that belt kills, cause slipping of the belt, do not work.This situation can cause head driven by motor head drum to dally, and for no reason consumes electric energy.But importantly, if belt lag switch causes solid accumulation, in different situations, different serious consequences may be there is.
Current prior art personnel propose detection for slipping of the belt and warning device, and it detects, and determination methods is different, and product structure is also had nothing in common with each other, but most complex structure, cost is high.In order to carry out production safety protected working better, avoid conveyer fault to enterprise produce make troubles, avoid causing heavy economic losses, person skilled to the research of this respect always constantly explore in.
Summary of the invention
The present invention is directed to prior art deficiency, propose a kind of structure simple, cost is low, and practical slipping of the belt method of inspection and belt skidding detecting device, simply, reliably, easily realize.
The technical solution adopted in the present invention:
1.a kind of belt of belt conveyor skidding method of inspection, its detecting step realizing belt of belt conveyor skidding is as follows:
1) on Belt Conveying machine support, at least two group detector switches are fixedly installed, the mode be connected in parallel all is adopted between described many groups detector switch, each shunt circuit connects an intermediate relay, a time relay is connected in described each intermediate relay control loop, complete the output switching signal detecting two groups of detector switches in described time period t, described time relay output contact access warning circuit, and arrange on the inner edge, driving drum one end of described band conveyor one with described detector switch with the use of block, described detector switch and described block correspondence, be arranged on the outer side frame of driving drum,
2) often circle as one-period with driving drum, set the time period t that is greater than T period, utilize counting or time set to detect the output switching signal of two groups of detector switches in real time;
3) if can't detect the output switching signal of detector switch transmission in described time period t, then slipping of the belt is judged as, by slug relay's output alarm or control signal.
Described detector switch adopts proximity Hall switch, travel switch, infrared sensing switch or capacitance-sensitive switch, by detecting the running state of output switching signal with or without reflection driving drum of detector switch.
Utilize conducting time delay and the power cut off delay characteristic of time relay, a time period t is set to time relay, when belt normal operation, when time relay also starts to walk, when detector switch and baffle plate close to time, time relay power-off once, when making it reset and continue to walk after resetting, detects when reset clearing is walked so repeatedly; Once there is slipping of the belt phenomenon, detector switch is without on-off signal output in time period t, then time relay can not reset clearing, timing time to time relay coil adhesive, by warning circuit output alarm signal.
In the output control circuit of time relay, the power-off control loop that be provided with band conveyor motor in parallel with warning circuit, controls with the power-off realized under band conveyor slippery conditions.
A kind of belt skidding detecting device realizing belt of belt conveyor skidding method of inspection described in claim 1, comprise detector switch, intermediate relay, time relay, annunciator, and with described detector switch with the use of block, described detector switch is at least two groups, powered by Switching Power Supply, connect an intermediate relay often organizing in detector switch loop, a time relay is connected in described each intermediate relay control loop, the master cock of described time relay is in parallel, access slug relay's control loop, the master cock output signal of described slug relay connects annunciator or Belt Conveying tester in power-down state control loop, described block is arranged on inner edge, described band conveyor driving drum one end, described detector switch is fixed in band conveyor frame by erection support, described detector switch and described detection block correspondence, be distributed on the outer circumference outline line of inner edge, described driving drum one end.
Comprise band conveyor power-off control circuit, described band conveyor power-off control circuit comprises control relay, intermediate relay, described control relay drive coil is in parallel with described annunciator, and described control relay controls the intermediate relay in output signal connection band conveyor power-off control circuit.
Positive beneficial effect of the present invention:
1, belt of belt conveyor skidding method of inspection of the present invention and device, design science, rationally, structure is simple, easily realizes, cost of investment and operating cost low.Detector switch is used in pairs, can effectively prevent skid time baffle plate just in time with the appearance (when proximity switch be a group) of proximity switch close to this phenomenon, improve slipping of the belt detect accuracy.
2, belt of belt conveyor slip detector of the present invention, to conceive dexterously, achieve slipping of the belt by conventional control device and detect, circuit is simple, and failure rate is low, stable and reliable operation, result of use is good.Circuit is simple, and circuit can be configured in switch box, standardized management, and warning device can select installation site arbitrarily with environment.
3, belt of belt conveyor skidding method of inspection of the present invention and device, detector switch adopts proximity Hall switch (also can adopt capacitive approach switch or photo-electric proximity switch etc.), there is contact pointless, low-power consumption, long life, response frequency high, can under all kinds of harsh environment reliable operation, failure alarm signal is accurate, and signal disturbing is little.
4, the present invention also output signal and PLC can be carried out with the use of, or with computing machine with the use of, selection can be changeable according to practical application.
Accompanying drawing explanation
Fig. 1 is belt of belt conveyor slip detector schematic diagram of the present invention.
Fig. 2 is the control drawing of belt of belt conveyor slip detector detector switch of the present invention.
Fig. 3 is that belt of belt conveyor slip detector of the present invention is to the control principle drawing of belt motor.
Fig. 4 is belt of belt conveyor slip detector scheme of installation of the present invention.
Detailed description of the invention
Below by accompanying drawing and detailed description of the invention, technical scheme of the present invention is described in further detail.
Embodiment 1
Belt of belt conveyor skidding method of inspection described in the present embodiment, adopt the mode that at least two group detector switches are connected in parallel, each shunt circuit connects an intermediate relay, a time relay is connected in described each intermediate relay control loop, complete the output switching signal detecting two groups of detector switches in described time period t, described time relay output contact access warning circuit.
Described belt of belt conveyor skidding method of inspection, detector switch adopts proximity Hall switch, travel switch, infrared sensing switch or capacitance-sensitive switch, by detecting the running state of output switching signal with or without reflection driving drum of detector switch.
Belt of belt conveyor skidding method of inspection of the present invention, utilize conducting time delay and the power cut off delay characteristic of time relay, a time period t is set to time relay, when belt normal operation, when time relay also starts to walk, when detector switch and baffle plate close to time, time relay power-off is once, when making it reset and continue to walk after resetting, detect when reset clearing is walked so repeatedly; Once there is slipping of the belt phenomenon, detector switch is without on-off signal output in time period t, then time relay can not reset clearing, timing time to time relay coil adhesive, by warning circuit output alarm signal.
Belt of belt conveyor skidding method of inspection of the present invention, in the output control circuit of time relay, the power-off control loop that be provided with band conveyor motor in parallel with warning circuit, controls with the power-off realized under band conveyor slippery conditions.
Embodiment 2
See Fig. 1, Fig. 2, Fig. 4.A kind of belt skidding detecting device, comprise detector switch, DC24V intermediate relay, time relay, annunciator, described detector switch is at least two groups, powered by Switching Power Supply, connect an intermediate relay often organizing in detector switch loop, a time relay is connected in described each intermediate relay control loop, the master cock of described time relay is in parallel, accesses slug relay's control loop, and the master cock output signal of described slug relay connects annunciator or Belt Conveying tester in power-down state control loop.With described detector switch with the use of block be arranged on inner edge, described band conveyor driving drum one end, described detector switch is fixed in band conveyor frame by erection support, described detector switch and described detection block correspondence, be distributed on the outer circumference outline line of inner edge, described driving drum one end.
In figure, L, N:220V source of AC; KF: belt runs intermediate relay; KJ:DC24V intermediate relay; KT: time relay; HA: electric bell; SQ:DC24V proximity switch; UR:AC220V ~ DC24V Switching Power Supply.The effect coordinating relay K F is that, when conveyer electrical power, this device is also in "on" position simultaneously.
AC220V ~ DC24V Switching Power Supply is energized, and proximity switch is in running order, is used for detecting the running state of conveyor transmission drum by the block be arranged on driving drum inner edge.When conveyer generation skidding, driving drum stays cool, and now two groups of proximity switches must have one group to can't detect block, then now proximity switch is in on-state, intermediate relay coil electricity, makes time relay conducting, through time delay, electric bell powers alarm.
In Fig. 4, label 1: band conveyor driving drum; 2: with proximity switch with the use of block; 3: belt of belt conveyor; 4: the connection wire of proximity switch (each one group of left and right); 5: Belt Conveying machine support; 6: the bearing of fixing proximity switch; 7: proximity switch (each one group of left and right).
Embodiment 3
See Fig. 1 ~ Fig. 4.Belt skidding detecting device described in the present embodiment, comprise band conveyor power-off control circuit, described band conveyor power-off control circuit comprises control relay, intermediate relay, described control relay drive coil is in parallel with described annunciator, and described control relay controls the intermediate relay in output signal connection band conveyor power-off control circuit.Utilize the power cut off delay characteristic of time relay, make belt conveyer motor power-off, reach control action.
In Fig. 3, KM is motor control loop intermediate relay.
Belt skidding detecting device of the present invention, belt transmission roller inner edge fixedly mounts baffle plate, and proximity switch installed by driving drum support, and proximity switch coordinates distance to be 10 ~ 20mm with the installation of baffle plate.Be fixedly mounted in switch box by the time relay in detecting device, switch box can be fixed on the position of handled easily and observation, is connected by proximity switch by cable with time relay.
Described detecting device principle of work is as follows: this detecting device power supply draws from band conveyor motor power, and when electrical power, described detecting device is also energized and enters detected state.When belt runs, time relay is in time status, when belt normal operation, baffle plate on driving drum can rotate thereupon, often rotates one week, baffle plate can with two proximity switches each close once, proximity switch is just connected once, now time relay KT1, KT2 power-off and to reset and automatic clear, in such cases, warning device does not have output signal.When slipping of the belt; baffle plate can stay cool along with driving drum; proximity switch and baffle plate lose effectively then can not action close to distance; now time relay KT1, KT2 timing can not reset and automatic clear; when timing reaches setting-up time T; time relay coil KT1, KT2 adhesive; time relay KT3 is in "on" position; coil also adhesive after setting delay time; jingle bell warning is carried out in warning device energising also output signal; warning staff belt is in sipping fault state, and cuts off motor power and carry out shutdown processing controls.Alarm output signal can also enter PLC show slipping of the belt and control belt, also more can simplify circuit, with the output of proximity switch directly arrive Computer I O template, enter computer system, with program go control belt skidding alarm and control.
Often can there is binder skidding in certain coal preparation plant's second floor four cleaned coal band conveyors; and belt install time only remain deviation switch and pull switch, after decide to adopt this belt skidding detecting device to be applied to the slipping of the belt detecting & monitoring of these four cleaned coal band conveyors.Through running for a long time, four equal zero failures of band conveyor, operational excellence, achieves safety in production.
Fig. 4 is that belt skidding detecting device of the present invention uses scheme of installation.On band conveyor driving drum 1, installation and measuring block 2, Belt Conveying machine support 5 installs proximity switch 7 by bearing 6, and proximity switch output signal is drawn by wire 4.Block 2 and proximity switch 7 with the use of, cooperation distance is 10 ~ 20mm.Detecting device is connected with warning device, when band conveyor normally runs, block 2 on driving drum 1 rotates thereupon, often rotate one week, block and proximity switch are close to once, and block 2 affects proximity switch 7 and makes it conducting once, time relay can reset and automatic clear once, now time relay does not have output signal, and warning device is failure to actuate.When belt 3 skids, driving drum 1 can not rotate, and stays cool, and block 2 also can not be rotated further, then now proximity switch can not conducting, makes intermediate relay KJ1 or KJ2 magnet coil obtain electric, intermediate relay KJ1, KJ2 normally closed contact disconnects, time relay KT1, KT2 are in time status, and when after time delay to setting-up time T, normally closed contact closes, make time relay KT3 adhesive, utilize time relay KT3 conducting time delay, electric bell HA is energized, and enters alarm condition.Time relay KT4 is connected with the intermediate relay KM in motor control loop, and when after time relay K T3 adhesive, time relay KT4 is energized, and utilizes the power cut off delay characteristic of time relay KT4, makes intermediate relay KM power-off, reaches the object controlling motor.
Claims (6)
1. a belt of belt conveyor skidding method of inspection, its detecting step realizing belt of belt conveyor skidding is as follows:
1) on Belt Conveying machine support, at least two group detector switches are fixedly installed, the mode be connected in parallel all is adopted between described many groups detector switch, each shunt circuit connects an intermediate relay, a time relay is connected in described each intermediate relay control loop, complete the output switching signal detecting two groups of detector switches in described time period t, described time relay output contact access warning circuit, and arrange on the inner edge, driving drum one end of described band conveyor one with described detector switch with the use of block, described detector switch and described block correspondence, be arranged on the outer side frame of driving drum,
2) often circle as one-period with driving drum, set the time period t that is greater than T period, utilize counting or time set to detect the output switching signal of two groups of detector switches in real time;
3) if can't detect the output switching signal of detector switch transmission in described time period t, then slipping of the belt is judged as, by slug relay's output alarm or control signal.
2. belt of belt conveyor skidding method of inspection according to claim 1, it is characterized in that: described detector switch adopts proximity Hall switch, travel switch, infrared sensing switch or capacitance-sensitive switch, by detecting the running state of output switching signal with or without reflection driving drum of detector switch.
3. belt of belt conveyor skidding method of inspection according to claim 2, it is characterized in that: the conducting time delay and the power cut off delay characteristic that utilize time relay, a time period t is set to time relay, when belt normal operation, when time relay also starts to walk, when detector switch and baffle plate close to time, time relay power-off is once, when making it reset and continue to walk after resetting, detect when reset clearing is walked so repeatedly; Once there is slipping of the belt phenomenon, detector switch is without on-off signal output in time period t, then time relay can not reset clearing, timing time to time relay coil adhesive, by warning circuit output alarm signal.
4. belt of belt conveyor skidding method of inspection according to claim 3, it is characterized in that: in the output control circuit of time relay, the power-off control loop that be provided with band conveyor motor in parallel with warning circuit, controls with the power-off realized under band conveyor slippery conditions.
5. one kind realizes the belt skidding detecting device of belt of belt conveyor skidding method of inspection described in claim 1, comprise detector switch, intermediate relay, time relay, annunciator, and with described detector switch with the use of block, it is characterized in that: described detector switch is at least two groups, powered by Switching Power Supply, connect an intermediate relay often organizing in detector switch loop, a time relay is connected in described each intermediate relay control loop, the master cock of described time relay is in parallel, access slug relay's control loop, the master cock output signal of described slug relay connects annunciator or Belt Conveying tester in power-down state control loop, described block is arranged on inner edge, described band conveyor driving drum one end, described detector switch is fixed in band conveyor frame by erection support, described detector switch and described detection block correspondence, be distributed on the outer circumference outline line of inner edge, described driving drum one end.
6. belt skidding detecting device according to claim 5, it is characterized in that: comprise band conveyor power-off control circuit, described band conveyor power-off control circuit comprises control relay, intermediate relay, described control relay drive coil is in parallel with described annunciator, and described control relay controls the intermediate relay in output signal connection band conveyor power-off control circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410269198.3A CN104030004B (en) | 2014-06-17 | 2014-06-17 | A kind of belt of belt conveyor skidding method of inspection and belt skidding detecting device thereof |
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| CN201410269198.3A CN104030004B (en) | 2014-06-17 | 2014-06-17 | A kind of belt of belt conveyor skidding method of inspection and belt skidding detecting device thereof |
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| CN104030004B true CN104030004B (en) | 2016-04-06 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106628942A (en) * | 2016-12-25 | 2017-05-10 | 安徽华天机械股份有限公司 | Control circuit system of automatic cloth counting and stacking machine |
| CN109422080A (en) * | 2017-08-25 | 2019-03-05 | 辛鹏 | A kind of belt of belt conveyor skidding detection method and its belt skidding detecting device |
| CN109109452B (en) * | 2018-07-24 | 2020-12-04 | 重庆安卡自动化工程有限公司 | Anilox roller control system for corrugated carton printing machine |
| CN110562699A (en) * | 2019-09-18 | 2019-12-13 | 翁松 | Speed protection method, device, equipment and system of belt conveyor |
| CN111013210B (en) * | 2019-12-23 | 2021-12-17 | 鞍钢集团矿业有限公司 | Alarm device for fault parking of thickener |
| CN114834849A (en) * | 2022-05-10 | 2022-08-02 | 内蒙古大中矿业股份有限公司 | Mine belt conveyor slip detection device and control method |
| CN114890089A (en) * | 2022-05-10 | 2022-08-12 | 首钢京唐钢铁联合有限责任公司 | Belt edge tearing detection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038257A (en) * | 1988-05-31 | 1989-12-27 | 牡丹江市环境科学研究所 | Small Sewage Treatment Equipment and technology thereof |
| CN202784730U (en) * | 2012-06-18 | 2013-03-13 | 内蒙古包钢钢联股份有限公司 | Detecting and alarming device of slipping of belt |
| CN103508178A (en) * | 2012-06-20 | 2014-01-15 | 上海梅山钢铁股份有限公司 | Method for preventing slipping of lower belt of blast furnace groove |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040055854A (en) * | 2002-12-23 | 2004-06-30 | 주식회사 포스코 | An Apparatus for Sensing the Conveyor Belt's Slip |
| JP2012071925A (en) * | 2010-09-28 | 2012-04-12 | Ube Techno Enji Kk | Method and mechanism for detecting belt slip of conveyor device |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038257A (en) * | 1988-05-31 | 1989-12-27 | 牡丹江市环境科学研究所 | Small Sewage Treatment Equipment and technology thereof |
| CN202784730U (en) * | 2012-06-18 | 2013-03-13 | 内蒙古包钢钢联股份有限公司 | Detecting and alarming device of slipping of belt |
| CN103508178A (en) * | 2012-06-20 | 2014-01-15 | 上海梅山钢铁股份有限公司 | Method for preventing slipping of lower belt of blast furnace groove |
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