CN103935729B - Based on hypracoustic rubber belt longitudinal tearing of conveyer checking system and method for inspection - Google Patents
Based on hypracoustic rubber belt longitudinal tearing of conveyer checking system and method for inspection Download PDFInfo
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Abstract
The invention provides a kind of based on hypracoustic rubber belt longitudinal tearing of conveyer checking system and method for inspection, this checking system comprises point the ultrasonic signal generating means being located at travelling apron two ends and a receiving device, and the ultrasound signal analyzing device be connected with ultrasound signal receipt device.The method of inspection that this system is used for rubber belt longitudinal tearing of conveyer fault is: ultrasonic signal generating means continues in the side of travelling apron to send ultrasonic signal; After the process of ultrasound signal receipt device real-time reception ultrasonic signal, signal is sent to ultrasound signal analyzing device; Ultrasound signal analyzing device processes in real time the detection signal received and compares to judge whether et out of order with built-in breakdown judge threshold value, when a failure occurs it sound and light alarm on the spot.Structure of the present invention is simple, cost is lower, can improve fault recall rate greatly, real-time and Detection results is good, functional reliability is high and be suitable for the complex working conditions such as dust, water pouring, and applicability is strong.
Description
Technical field
The present invention relates to the adhesive tape field of fault detection of rubber conveyor, being specifically related to a kind of based on hypracoustic rubber belt longitudinal tearing of conveyer checking system and the method for inspection for detecting rubber belt longitudinal tearing of conveyer fault thereof.
Background technology
Rubber belt longitudinal tearing of conveyer refers in conveyer operational process, the accident of adhesive tape generation longitudinal tear.For long belt conveyor adhesive tape, extensively adopt steel rope core to transport and improve its pulling strengrth, but the ability of its longitudinal anti tear is not improved, and is only the intensity of rubber itself, thus easily causes longitudinal tear.The vertical accident of tearing of travelling apron is comparatively common in enterprises such as collieries, and its consequence is often very serious, needs to drop into a large amount of manpower and the time just can make sealing-tape machine resume operation, and brings very large economic loss to enterprise.Travelling apron traditional is at present vertical, and to tear detecting sensor Detection results poor, and misoperation is many.Rubber belt longitudinal tearing of conveyer detecting device based on this method design will effectively improve the recall rate of rubber belt longitudinal tearing of conveyer fault, and its real-time is good, and reliability is high, is applicable to the occasion of the working condition complexity such as dust, water pouring.Traditional method of inspection is whether the material fallen after detecting rubber belt longitudinal tearing of conveyer is torn from indirect judgement adhesive tape: it is by setting pressure sensor or other induction alarm device below adhesive tape, after adhesive tape is torn, material on adhesive tape is fallen on the receiver of anti-tear warning device from breach, and perception adhesive tape is torn.Because adhesive tape becomes a flute profile on carrying roller, after adhesive tape is torn, the adhesive tape on both sides, crack has one along groove both sides toward the trend of adduction, after therefore adhesive tape is torn, is not often open large mouth, the adhesive tape on both sides, crack but overlap are together, breach is sealed, and the material on adhesive tape is not easy, after certain length torn by adhesive tape by the time, just there is material to leak down, cause warning; In addition, spill leakage due to material, this device is often reported by mistake, causes hang-up, impact is produced.Although onsite application is maximum at present therefore to adopt the longitudinal rupture of adhesive tape detecting device detecting the material principle fallen, poor effect.In recent years, the load-transfer device longitudinal tear method of inspection based on machine vision progressively developed and was applied, and its principle is the longitudinal tear fault by judging the identification of travelling apron surface image.But this type of detecting device cost is higher, and require higher to site environments such as dust, water pouring, and the actual field working conditions bad environments used, therefore its Detection results is not good.
Summary of the invention
The object of the invention is: overcome the deficiencies in the prior art, provide that a kind of structure is simple, cost is lower, can improve greatly when using the recall rate of rubber belt longitudinal tearing of conveyer fault and real-time and Detection results is good, functional reliability is high and be suitable for the complex working conditions such as dust, water pouring based on hypracoustic rubber belt longitudinal tearing of conveyer checking system and method for inspection.
Technical scheme of the present invention is: of the present invention based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, comprises travelling apron; Its constructional feature is: also comprise ultrasonic signal generating means, ultrasound signal receipt device and ultrasound signal analyzing device;
Above-mentioned ultrasonic signal generating means is arranged on one end of travelling apron; Ultrasound signal receipt device is arranged on the other end of travelling apron; Ultrasound signal analyzing device and ultrasound signal receipt device are arranged nearby;
Ultrasonic signal generating means comprises signal generator, power amplifier, ultrasonic transducer and the first power module; Signal generator is provided with signal output part; Power amplifier is provided with signal input part and signal output part; Ultrasonic transducer is provided with electric signal input end and ultrasonic signal mouth; The signal input part of above-mentioned power amplifier is electrically connected with the signal output part signal of signal generator; The electric signal input end of ultrasonic transducer is electrically connected with the signal output part signal of power amplifier; During use, the ultrasonic signal mouth output ultrasonic wave signal of ultrasonic transducer; First power module provides working power;
Ultrasound signal receipt device comprises ultrasound signal receipt module, signal amplification module, detection module and second source module; Ultrasound signal receipt module is provided with ultrasonic signal input end and voltage signal output end; Signal amplification module and detection module are respectively equipped with signal input part and signal output part; The signal input part of above-mentioned signal amplification module is electrically connected with the voltage signal output end signal of ultrasound signal receipt module; The signal input part of detection module is electrically connected with the signal output part signal of signal amplification module; The ultrasonic signal that ultrasonic transducer exports is received when the ultrasonic signal input end of ultrasound signal receipt module is for using; Second source module provides working power;
Ultrasound signal analyzing device comprises microprocessor module, Keysheet module, LCD MODULE, sound and light alarm module, switching value output module, bus output module and the 3rd power module; Microprocessor module is provided with detection signal input end, keyboard signal input end, display mouth, alarm signal output ends, on-off model mouth and bus communication end; Keysheet module is provided with signal output part; LCD MODULE and acousto-optic alarm module are respectively equipped with signal input part; Switching value output module is provided with signal input part and signal output part; Bus output module is provided with internal communication ends and correspondence with foreign country end;
The detection signal input end of above-mentioned microprocessor module is electrically connected with the signal output part signal of the detection module of ultrasound signal receipt device; The keyboard signal input end of microprocessor module is electrically connected with the signal output part signal of Keysheet module; The signal input part of LCD MODULE is electrically connected with the display output end signal of microprocessor module; The signal input part of sound and light alarm module is electrically connected with the alarm signal output ends signal of microprocessor module; The signal input part of switching value output module is electrically connected with the on-off model output end signal of microprocessor module; The internal communication ends of bus output module is electrically connected with the bus communication end two-way signaling of microprocessor module; During use, the signal output part of switching value output module and the correspondence with foreign country end of bus output module are electrically connected with backstage signal respectively; 3rd power module provides working power.
By above-mentioned based on hypracoustic rubber belt longitudinal tearing of conveyer checking system for detecting a method of inspection for rubber belt longitudinal tearing of conveyer fault, comprise the following steps:
1. ultrasonic signal generating means continues in the side of travelling apron to send ultrasonic signal;
2. ultrasound signal receipt device real-time reception ultrasonic signal carrying out amplifies, is sent to by signal after detection process the microprocessor module of ultrasound signal analyzing device;
3. the microprocessor module of ultrasound signal analyzing device processes in real time to the detection signal received, and sends to LCD MODULE to show in real time the signal after process and send to monitoring backstage simultaneously;
4. microprocessor module carries out real time contrast to the detection signal received and built-in judgment threshold, judges whether real time detection signal is less than judgment threshold; If not, judge normal, return step 3.; If so, step is then entered 5.;
5. microprocessor module judges travelling apron generation longitudinal tear fault, and microprocessor module drives sound and light alarm module to carry out sound and light alarm on the spot, and exports longitudinal tear breakdown signal by switching value output module; Then step is returned 3..
The present invention has positive effect: (1) is of the present invention based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, and structure is simple, cost is lower, realization is convenient.(2) of the present invention based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, the recall rate of rubber belt longitudinal tearing of conveyer fault can be improved greatly during use, its real-time is good, reliability is high, be applicable to the application scenario such as mine, mine of the working condition such as dust, water pouring complexity, applicability is strong.(3) of the present invention based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, it is for detecting the method for inspection of rubber belt longitudinal tearing of conveyer fault, can automatically carry out, misoperation is few, Detection results is good, time saving and energy saving, when a failure occurs, automatically to report to the police on the spot and to monitoring backstage real-time Transmission failure message, can effectively avoid bringing great economic loss because fault fails Timeliness coverage and process to enterprise.
Accompanying drawing explanation
Fig. 1 is the structural representation based on hypracoustic rubber belt longitudinal tearing of conveyer checking system of the present invention; Detected travelling apron and the ultrasonic signal along rubber belt transmission is also show in figure;
Fig. 2 is the circuit structure block diagram of the ultrasonic signal generating means in Fig. 1;
Fig. 3 is the circuit structure block diagram of the ultrasound signal receipt device in Fig. 1;
Fig. 4 is the circuit structure block diagram of the ultrasound signal analyzing device in Fig. 1;
Fig. 5 is the diagram of circuit based on hypracoustic rubber belt longitudinal tearing of conveyer method of inspection of the present invention.
Reference numeral in above-mentioned accompanying drawing is as follows:
Ultrasonic signal generating means 1, signal generator 11, power amplifier 12, ultrasonic transducer 13, the first power module 14,
Ultrasound signal receipt device 2, ultrasound signal receipt module 21, signal amplification module 22, detection module 23, second source module 24,
Ultrasound signal analyzing device 3, microprocessor module 31, Keysheet module 32, LCD MODULE 33, sound and light alarm module 34, switching value output module 35, bus output module the 36, three power module 37,
Travelling apron 4,
Ultrasonic signal 5.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
(embodiment 1)
See Fig. 1, the present embodiment based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, form primarily of ultrasonic signal generating means 1, ultrasound signal receipt device 2 and ultrasound signal analyzing device 3.
Ultrasonic signal generating means 1 is arranged on one end of travelling apron 4; Ultrasound signal receipt device 2 is arranged on the other end of travelling apron 4; Ultrasound signal analyzing device 3 and ultrasound signal receipt device 2 are arranged nearby.
See Fig. 2, ultrasonic signal generating means 1 forms primarily of signal generator 11, power amplifier 12, ultrasonic transducer 13 and the first power module 14.
Signal generator 11 is provided with signal output part; Power amplifier 12 is provided with signal input part and signal output part; Ultrasonic transducer 13 is provided with electric signal input end and ultrasonic signal mouth; The signal input part of power amplifier 12 is electrically connected with the signal output part signal of signal generator 11; The electric signal input end of ultrasonic transducer 13 is electrically connected with the signal output part signal of power amplifier 12; During use, the ultrasonic signal mouth output ultrasonic wave signal of ultrasonic transducer 13; First power module 14 provides working power.
See Fig. 3, ultrasound signal receipt device 2 forms primarily of ultrasound signal receipt module 21, signal amplification module 22, detection module 23 and second source module 24.
Ultrasound signal receipt module 21 is provided with ultrasonic signal input end and voltage signal output end; Signal amplification module 22 and detection module 23 are respectively equipped with signal input part and signal output part.The ultrasonic signal that ultrasonic transducer 13 exports is received when the ultrasonic signal input end of ultrasound signal receipt module 21 is for using; The signal input part of signal amplification module 22 is electrically connected with the voltage signal output end signal of ultrasound signal receipt module 21; The signal input part of detection module 23 is electrically connected with the signal output part signal of signal amplification module 22; Second source module 24 provides working power.
See Fig. 4, ultrasound signal analyzing device 3 forms primarily of microprocessor module 31, Keysheet module 32, LCD MODULE 33, sound and light alarm module 34, switching value output module 35, bus output module 36 and the 3rd power module 37.
Microprocessor module 31 is provided with detection signal input end, keyboard signal input end, display mouth, alarm signal output ends, on-off model mouth and bus communication end; Keysheet module 32 is provided with signal output part; LCD MODULE 33 and acousto-optic alarm module 34 are respectively equipped with signal input part; Switching value output module 35 is provided with signal input part and signal output part; Bus output module 36 is provided with internal communication ends and correspondence with foreign country end.
The detection signal input end of microprocessor module 31 is electrically connected with the signal output part signal of the detection module 23 of ultrasound signal receipt device 2; The keyboard signal input end of microprocessor module 31 is electrically connected with the signal output part signal of Keysheet module 32; The signal input part of LCD MODULE 33 is electrically connected with the display output end signal of microprocessor module 31; The signal input part of sound and light alarm module 34 is electrically connected with the alarm signal output ends signal of microprocessor module 31; The signal input part of switching value output module 35 is electrically connected with the on-off model output end signal of microprocessor module 31; The internal communication ends of bus output module 36 is electrically connected with the bus communication end two-way signaling of microprocessor module 31; During use, the signal output part of switching value output module 35 and the correspondence with foreign country end of bus output module 36 are electrically connected with backstage signal respectively; 3rd power module 37 provides working power.Bus output module 36 supports that RS485 bus form exports breakdown signal.
The present embodiment based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, its principle of work and working process are summarized as follows:
See Fig. 1, the present embodiment based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, its principle of work is by detecting the super sonic realization transmitted to opposite side in travelling apron 4 side.Longitudinal tear because of travelling apron 4 will inevitably cause the change of the acoustic impedance of travelling apron 4, the transmission of super sonic in travelling apron 4 is reflected in air completely, super sonic is stoped to pass to opposite side from the side of travelling apron 4, thus make not receive ultrasonic signal or ultrasonic signal greatly weakens than normal circumstances at receiving end, can judge that travelling apron 4 there occurs and tear fault.
During its work, ultrasonic signal generating means 1 is in the side of conveyer, produced the electric signal of certain frequency by its signal generator 11, this signal is sent out greatly by power amplifier 12, and ultrasonic transducer 13 converts the electric signal of input to ultrasonic signal 5 and sends; This ultrasonic signal 5 is along travelling apron 4 lateral transport.The ultrasound signal receipt module 21 being arranged on the ultrasound signal receipt device 2 of conveyer opposite side receives the ultrasonic signal 5 of coming along rubber belt transmission and is converted into the electric signal of certain frequency; After this signal amplifies by signal amplification module 22, carry out detection again by detection module 23, the object of detection is the interference avoiding other signal on-the-spot, and what guarantee received is the signal that ultrasonic signal generating means 1 sends, and improves the reliability detected.
Detection signal after process is transferred to microprocessor module 31 analyzing and processing of ultrasound signal analyzing device 3 by ultrasound signal receipt device 2.Microprocessor module 31 is built-in with the judgment threshold whether travelling apron 4 longitudinal tear occurs, the detection signal of real-time reception and judgment threshold are compared by microprocessor module 31, when detection signal is lower than threshold value, microprocessor module 31 judges that longitudinal tear fault occurs travelling apron 4, now, microprocessor module 31 drives sound and light alarm module 34 to carry out sound and light alarm on the spot, and exports longitudinal tear breakdown signal by switching value output module; When detection signal is higher than judgment threshold, microprocessor module 31 judges that travelling apron 4 is working properly.Information after microprocessor module 31 processes is shown in real time by LCD MODULE 33; The signal that microprocessor module 31 processes can be transferred to monitoring backstage by switching value output module 35 and bus output module 36.Key-press module 32 is for arranging the correlation parameters such as the threshold value judging travelling apron 4 longitudinal tear fault and the delay time avoiding sensor misoperation according to on-site actual situations.
See Fig. 5, the present embodiment based on hypracoustic rubber belt longitudinal tearing of conveyer checking system, it, for detecting the method for inspection of rubber belt longitudinal tearing of conveyer fault, mainly comprises the following steps:
1. ultrasonic signal generating means 1 continues in the side of travelling apron 4 to send ultrasonic signal;
2. ultrasound signal receipt device 2 real-time reception ultrasonic signal carrying out amplifies, is sent to by signal after detection process the microprocessor module 31 of ultrasound signal analyzing device 3;
3. the microprocessor module 31 of ultrasound signal analyzing device 3 processes in real time to the detection signal received, and the signal after process is sent to LCD MODULE 33 display in real time and send to monitoring backstage simultaneously;
4. microprocessor module 31 carries out real time contrast to the detection signal received and built-in judgment threshold, judges whether real time detection signal is less than judgment threshold; If not, judge normal, return step 3.; If so, step is then entered 5.;
5. microprocessor module 31 judges that longitudinal tear fault occurs travelling apron 4, and microprocessor module 31 drives sound and light alarm module 34 to carry out sound and light alarm on the spot, and exports longitudinal tear breakdown signal by switching value output module; Then step is returned 3..
Above embodiment is the explanation to the specific embodiment of the present invention; but not limitation of the present invention; person skilled in the relevant technique without departing from the spirit and scope of the present invention; can also make various conversion and change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes all should be included into scope of patent protection of the present invention.
Claims (2)
1., based on a hypracoustic rubber belt longitudinal tearing of conveyer checking system, comprise ultrasonic signal generating means (1), ultrasound signal receipt device (2) and travelling apron (4); Described ultrasonic signal generating means (1) is arranged on one end of travelling apron (4); Ultrasound signal receipt device (2) is arranged on the other end of travelling apron (4); It is characterized in that: also comprise ultrasound signal analyzing device (3); Ultrasound signal analyzing device (3) and ultrasound signal receipt device (2) are arranged nearby;
Described ultrasonic signal generating means (1) comprises signal generator (11), power amplifier (12), ultrasonic transducer (13) and the first power module (14); Signal generator (11) is provided with signal output part; Power amplifier (12) is provided with signal input part and signal output part; Ultrasonic transducer (13) is provided with electric signal input end and ultrasonic signal mouth; The signal input part of described power amplifier (12) is electrically connected with the signal output part signal of signal generator (11); The electric signal input end of ultrasonic transducer (13) is electrically connected with the signal output part signal of power amplifier (12); During use, the ultrasonic signal mouth output ultrasonic wave signal of ultrasonic transducer (13); First power module (14) provides working power;
Ultrasound signal receipt device (2) comprises ultrasound signal receipt module (21), signal amplification module (22), detection module (23) and second source module (24); Ultrasound signal receipt module (21) is provided with ultrasonic signal input end and voltage signal output end; Signal amplification module (22) and detection module (23) are respectively equipped with signal input part and signal output part; The signal input part of described signal amplification module (22) is electrically connected with the voltage signal output end signal of ultrasound signal receipt module (21); The signal input part of detection module (23) is electrically connected with the signal output part signal of signal amplification module (22); The ultrasonic signal that ultrasonic transducer (13) exports is received when the ultrasonic signal input end of ultrasound signal receipt module (21) is for using; Second source module (24) provides working power;
Ultrasound signal analyzing device (3) comprises microprocessor module (31), Keysheet module (32), LCD MODULE (33), sound and light alarm module (34), switching value output module (35), bus output module (36) and the 3rd power module (37); Microprocessor module (31) is provided with detection signal input end, keyboard signal input end, display mouth, alarm signal output ends, on-off model mouth and bus communication end; Keysheet module (32) is provided with signal output part; LCD MODULE (33) and acousto-optic alarm module (34) are respectively equipped with signal input part; Switching value output module (35) is provided with signal input part and signal output part; Bus output module (36) is provided with internal communication ends and correspondence with foreign country end;
The detection signal input end of described microprocessor module (31) is electrically connected with the signal output part signal of the detection module (23) of ultrasound signal receipt device (2); The keyboard signal input end of microprocessor module (31) is electrically connected with the signal output part signal of Keysheet module (32); The signal input part of LCD MODULE (33) is electrically connected with the display output end signal of microprocessor module (31); The signal input part of sound and light alarm module (34) is electrically connected with the alarm signal output ends signal of microprocessor module (31); The signal input part of switching value output module (35) is electrically connected with the on-off model output end signal of microprocessor module (31); The internal communication ends of bus output module (36) is electrically connected with the bus communication end two-way signaling of microprocessor module (31); During use, the signal output part of switching value output module (35) and the correspondence with foreign country end of bus output module (36) are electrically connected with backstage signal respectively; 3rd power module (37) provides working power.
2. the method for inspection based on hypracoustic rubber belt longitudinal tearing of conveyer checking system according to claim 1, is characterized in that: comprise the following steps:
1. ultrasonic signal generating means (1) continues in the side of travelling apron (4) to send ultrasonic signal;
2. ultrasound signal receipt device (2) real-time reception ultrasonic signal carrying out amplifies, is sent to by signal after detection process the microprocessor module (31) of ultrasound signal analyzing device (3);
3. the microprocessor module (31) of ultrasound signal analyzing device (3) processes in real time to the detection signal received, and the signal after process is sent to LCD MODULE (33) display in real time and send to monitoring backstage simultaneously;
4. microprocessor module (31) carries out real time contrast to the detection signal received and built-in judgment threshold, judges whether real time detection signal is less than judgment threshold; If not, judge normal, return step 3.; If so, step is then entered 5.;
5. microprocessor module (31) judges that longitudinal tear fault occurs travelling apron (4), and microprocessor module (31) drives sound and light alarm module (34) to carry out sound and light alarm on the spot, and exports longitudinal tear breakdown signal by switching value output module; Then step is returned 3..
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9594062B2 (en) * | 2014-09-29 | 2017-03-14 | General Electric Company | System and method for testing transducer elements of an acoustic probe |
| CN104760814B (en) * | 2015-01-30 | 2017-01-11 | 苏州凯驰机电科技有限公司 | Wheeled ultrasonic wave sensor |
| CN104692077B (en) * | 2015-01-30 | 2017-03-15 | 苏州凯驰机电科技有限公司 | A kind of belt haulage band longitudinal tear monitoring device |
| CN106371094A (en) * | 2016-10-24 | 2017-02-01 | 天津工业大学 | Radar-ranging-technology-based detection method and device for tearing fault of conveying belt |
| CN114751138A (en) * | 2022-03-09 | 2022-07-15 | 国家能源集团国源电力有限公司 | Belt longitudinal tearing monitoring system and conveying equipment |
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| US4577502A (en) * | 1981-06-29 | 1986-03-25 | Mount Isa Mines Limited | Conveyor belt monitor |
| DE3131963A1 (en) * | 1981-08-13 | 1983-02-24 | Peter Lancier Maschinenbau-Hafenhütte GmbH & Co KG, 4400 Münster | Conveying system and running-roller monitoring system |
| CN101674991B (en) * | 2007-03-08 | 2013-05-15 | 株式会社普利司通 | Pipe conveyor belt deformation state detector |
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