CN112407840A - Belt deviation detection device and detection method - Google Patents
Belt deviation detection device and detection method Download PDFInfo
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- CN112407840A CN112407840A CN202011214919.2A CN202011214919A CN112407840A CN 112407840 A CN112407840 A CN 112407840A CN 202011214919 A CN202011214919 A CN 202011214919A CN 112407840 A CN112407840 A CN 112407840A
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- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims 1
- 230000001915 proofreading effect Effects 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
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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
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Control Of Conveyors (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a belt deviation detection device and a belt deviation detection method, belongs to the technical field of belt deviation detection, and comprises a guide rail device, a sliding block and a PLC (programmable logic controller), wherein the sliding block is arranged on the guide rail device in a sliding manner, a laser ranging sensor is arranged at the middle position of the bottom of the sliding block, the laser ranging sensor and the guide rail device are both connected with the PLC, the PLC is arranged at one end of the guide rail device, and the guide rail device is transversely arranged above a belt. The invention can detect the specific running deviation value of the belt in real time, monitor the whole deviation of the belt deviation, record curves, automatically measure the deviation rate of the belt, automatically detect the width of the belt and automatically alarm when abnormality occurs.
Description
Technical Field
The invention relates to the technical field of belt deviation detection, in particular to a belt deviation detection device and a belt deviation detection method.
Background
The existing belt deviation detection device is characterized in that deviation switches are additionally arranged on two sides of a belt, when the belt deviates to a certain degree, the deviation switches can be triggered, and then deviation signals are sent to a remote control device.
The existing belt deviation detection device has the following problems: 1. only the deviation result can be monitored, and the process monitoring cannot be realized; 2. the deviation is not dynamically recorded, so that the specific condition of deviation is not easy to analyze; 3. the deviation degree of the belt is not output; 4. the belt deviation switch belongs to mechanical touch and is easy to damage.
The belt deviation detection device can detect the deviation condition of a belt in real time, and can send an alarm sound according to the deviation danger to inform a user so as to avoid the condition that the belt runs out.
Disclosure of Invention
The invention aims to provide a belt deviation detection device and a belt deviation detection method, which solve the technical problems in the background technology.
The utility model provides a belt off tracking detection device, includes guide rail device, slider and PLC control controller, the slider setting slides on class at guide rail device and sets up, the bottom intermediate position of slider is provided with laser range finding sensor, laser range finding sensor and guide rail device all are connected with PLC control controller, PLC control controller sets up the one end at guide rail device, guide rail device transversely sets up the top at the belt.
Further, the guide rail device comprises supporting legs, slide bars, a driving wheel box, a driven wheel box and a transmission belt, wherein the supporting legs are arranged at the bottoms of the two ends of the two slide bars, the slide bars are sleeved with the slide blocks in a sliding mode, the driving wheel box and the driven wheel box are arranged at the two ends of the slide bars respectively, the two ends of the transmission belt are connected with the driving wheel box and the driven wheel box respectively, and one side of the bottom of the transmission belt is fixedly arranged with the slide blocks.
Further, the PLC control controller is arranged in the driving wheel box, a driving motor, a driving wheel fixing plate and a driving wheel are further arranged in the driving wheel box, the driving wheel fixing plate is fixed on the two sliding rods, the driving motor and the driving wheel are respectively fixed on two sides of the driving wheel fixing plate, and the driving wheel is connected with a rotating shaft of the driving motor.
Further, still be provided with alarm, position encoder and touch display screen on the PLC control controller, alarm, position encoder and touch display screen all are connected with PLC control controller, and position encoder sets up on the slider, touch display screen sets up the outside at the initiative wheel case, PLC control controller model is PLC 300.
Furthermore, a driven wheel fixing plate and a plug screw are arranged in the driven wheel box, the two driven wheel fixing plates are fixed on the two slide rods, the driven wheel is arranged between the two driven wheel fixing plates, and the plug screw is arranged on the outer side of the driven wheel fixing plate and used for clamping a peripheral shaft of the driven wheel.
Furthermore, the top of the driven wheel box of the driving wheel box is provided with a top cross rod, the bottom of the middle position of the top cross rod is provided with a return-to-zero reset receiving integrated module, the top of the sliding block is provided with a return-to-zero reset transmitting module, when the sliding block returns to zero and resets, the return-to-zero reset transmitting module and the return-to-zero reset receiving integrated module are on the same straight line in the vertical direction, and the return-to-zero reset transmitting module and the return-to-zero reset receiving integrated module are both connected with the PLC.
Furthermore, the return-to-zero reset receiving integrated module comprises more than three receiving probe modules, all the receiving probe modules are arranged on the same horizontal line, and when the sliding block is returned to zero and reset, the middle receiving probe module and the return-to-zero reset transmitting module are arranged on the same vertical line.
A detection method of a belt deviation detection device comprises the specific process
The guide rail device is transversely placed above a belt, a laser ranging sensor at the bottom of a sliding block vertically and downwards points on the center line of the belt, a system is started, a return-to-zero reset transmitting module transmits a signal, a return-to-zero reset receiving integrated module receives the signal, the return-to-zero reset is completed, the left side displacement detection of the belt is carried out, the sliding block starts to walk towards the left side of the belt after zero calibration, a position encoder starts to carry out accumulated measurement and records the walking distance, along with the movement of the sliding block, when the position of the laser ranging sensor is away from the upper side of the belt, a signal is transmitted to a PLC (programmable logic controller) which calculates the left side width of the belt according to the obtained value of the position encoder, the right side displacement detection of the belt is carried out, the right side detection is carried out after the left side detection is completed, during the right side, when the position of the laser ranging sensor leaves the upper part of the belt, the laser ranging sensor sends a signal to be transmitted to the PLC controller, and the PLC controller calculates the width of the right side of the belt according to the obtained value of the position encoder.
The PLC is connected with the PC, detects the specific running deviation value of the belt in real time, monitors the whole running deviation of the belt running deviation, records curves on the PC, automatically measures and calculates the running deviation rate of the belt, automatically detects the width of the belt, and automatically alarms when abnormality occurs.
By adopting the technical scheme, the invention has the following technical effects:
the invention can detect the specific running deviation value of the belt in real time, can monitor the whole deviation of the belt deviation, can record curves, can automatically measure the deviation rate of the belt, can automatically detect the width of the belt, can automatically alarm when abnormal, can record the deviation condition, is convenient for operators to know the deviation condition of equipment, judges the time exceeding the allowable deviation according to the running deviation value and the deviation speed, and gives a warning in advance.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the guide rail of the present invention.
Fig. 3 is a bottom view of the slider of the present invention.
Reference numbers in the figures: 1-supporting feet; 2-a slide bar; 3, a belt; 4-driving wheel box; 5-driven wheel box; 6, driving a belt; 7-a slide block; 8, fixing blocks; 9-return to zero reset transmitting module; 10-top cross bar; 11-a return-to-zero reset receiving integrated module; 12-a drive motor; 13-driving wheel fixing plate; 14-a driving wheel; 15-driven wheel; 16-driven wheel fixing plate; 17-plugging a screw; 18-laser ranging sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments are given and the present invention is described in further detail. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
A belt deviation detection device and a detection method are shown in figures 1-2 and comprise a guide rail device, a sliding block 7 and a PLC (programmable logic controller), wherein the sliding block 7 is arranged on the guide rail device in a sliding mode in class, a laser ranging sensor 18 is arranged at the middle position of the bottom of the sliding block 7, the laser ranging sensor 18 and the guide rail device are both connected with the PLC, the PLC is arranged at one end of the guide rail device, and the guide rail device is transversely arranged above a belt 3. Judging the deviation distance of the belt according to the sliding distance of the sliding block 7, wherein the specific walking distance starts from the center line of the belt 3 according to the laser ranging sensor 18, then the sliding block 7 stops until the belt is not detected, and the laser ranging sensor 18 mainly indicates that the belt leaves according to the fact that the measured distance is increased. The PLC mainly controls the movement or stop of the slide block 7 according to the laser ranging sensor 18 and records the walking distance of the slide block 7.
The device has the advantages that the specific running deviation value of the belt is detected, and reference is provided for the production condition of equipment;
the device can measure and calculate the offset speed value according to the offset in the time period; judging the time exceeding the allowable deviation according to the deviation value and the deviation speed, and giving a warning in advance; the width of the correction belt can be detected, and whether the belt is abnormal or not is judged; whether there is an abnormality can be automatically detected; possess the touch-sensitive screen, can carry out the record with the off tracking condition, the operating personnel of being convenient for knows the equipment off tracking condition.
In the embodiment of the invention, the guide rail device comprises supporting legs 1, sliding rods 2, a driving wheel box 4, a driven wheel box 5 and a transmission belt 6, wherein the supporting legs 1 are arranged at the bottoms of the two ends of the two sliding rods 2, a sliding block 7 is sleeved on the two sliding rods 2 in a sliding manner, the driving wheel box 4 and the driven wheel box 5 are respectively arranged at the two ends of the sliding rods 2, the two ends of the transmission belt 6 are respectively connected with the driving wheel box 4 and the driven wheel box 5, and one side of the bottom of the transmission belt 6 is fixedly arranged with the sliding block 7. The joint of the slide bar 2 and the slide block 7 is also provided with a linear bearing, the driving wheel box 4 mainly drives the transmission belt 6 to move back and forth, and then the transmission belt 6 drives the slide block 7 to slide back and forth.
In the embodiment of the invention, the PLC is arranged in a driving wheel box 4, a driving motor 12, a driving wheel fixing plate 13 and a driving wheel 14 are further arranged in the driving wheel box 4, the driving wheel fixing plate 13 is fixed on two sliding rods 2, the driving motor 12 and the driving wheel 14 are respectively fixed on two sides of the driving wheel fixing plate 13, and the driving wheel 14 is connected with a rotating shaft of the driving motor 12. The PLC controls the driving motor 12 to move, and the driving wheel 14 drives the driving belt 6 to move.
In the embodiment of the invention, the PLC is also provided with an alarm, a position encoder and a touch display screen, the alarm, the position encoder and the touch display screen are all connected with the PLC, the position encoder is arranged on the sliding block 7, the touch display screen is arranged on the outer side of the driving wheel box 4, and the PLC is a PLC 300. The position encoder mainly records the moving distance of the sliding block 7, and then transmits the moving distance to the PLC. The distance of movement is detected more quickly and directly here using a position encoder, if not, but is converted from the angle of rotation.
In the embodiment of the invention, a driven wheel 15, a driven wheel fixing plate 16 and a driving screw 17 are arranged in the driven wheel box 5, the two driven wheel fixing plates 16 are fixed on the two slide bars 2, the driven wheel 15 is arranged between the two driven wheel fixing plates 16, and the driving screw 17 is arranged on the outer side of the driven wheel fixing plates 16 and is buckled with the peripheral shaft of the driven wheel 15. The driven pulley 15 is mainly moved in cooperation with the belt 6.
In the embodiment of the invention, a top cross rod 10 is arranged at the top of a driven wheel box 5 of the driving wheel box 4, a return-to-zero reset receiving integrated module 11 is arranged at the bottom of the middle position of the top cross rod 10, a return-to-zero reset transmitting module 9 is arranged at the top of the sliding block 7, when the sliding block 7 returns to zero and resets, the return-to-zero reset transmitting module 9 and the return-to-zero reset receiving integrated module 11 are on the same straight line in the vertical direction, and both the return-to-zero reset transmitting module 9 and the return-to-zero reset receiving integrated module 11 are connected with a PLC (programmable logic controller). The return-to-zero reset receiving integrated module 11 comprises more than three receiving probe modules, all the receiving probe modules are arranged on the same horizontal line, and when the sliding block 7 is returned to zero and reset, a middle receiving probe module and the return-to-zero reset transmitting module 9 are arranged on the same vertical line.
The return-to-zero reset transmitting module 9 and the return-to-zero reset receiving integrated module 11 mainly perform return-to-zero reset detection on the position of the laser ranging sensor 18, so that the precision of each detection is improved.
The belt deviation detection device mainly comprises a linear servo guide rail sliding table, a laser ranging sensor and a PLC control system.
A guide rail sliding table: a servo control system is adopted to drive the sliding table to move left and right, and high-precision positioning can be realized due to the arrangement of a position encoder;
a laser sensor: the distance measuring device has the distance measuring function and can detect the distance between the laser sensor and the belt. The method comprises the following steps that a laser sensor is arranged on a moving sliding table and moves left and right along with the sliding table, and when the laser sensor leaves the upper part of a belt, signals can change, so that the width of the belt is judged;
a PLC control system: for system scaling, it is possible to implement: firstly, calculating a running deviation value of a belt; secondly, calculating the deviation speed of the belt; and thirdly, measuring and calculating the width of the belt.
A linear guide rail sliding table is arranged above a belt, a laser ranging sensor is fixed on a transmission mechanism of the sliding table, and a detection switch is arranged in the middle of the sliding table and used for zero position correction.
A detection method of a belt deviation detection device comprises the following specific processes,
the system returns to the zero position: when the device starts to detect the belt deviation condition, the sliding table can automatically return to a zero position (middle position), and the system distance is automatically reset.
The guide rail device is transversely placed above the belt 3, the laser ranging sensor 18 at the bottom of the sliding block 7 vertically and downwards points on the center line of the belt 3, the system is started, the return-to-zero reset transmitting module 9 transmits a signal, the return-to-zero reset receiving and integrating module 11 receives the signal, the return-to-zero reset is completed, the displacement detection at the left side of the belt is carried out, after zero calibration, the sliding block 7 starts to walk towards the left side of the belt, the position encoder starts to accumulate and measure, the walking distance is recorded, along with the movement of the sliding block 7, when the position of the laser ranging sensor 18 is away from the upper part of the belt, the sensor signal is sent to the PLC controller, the PLC controller calculates the width at the left side of the belt according to the obtained value of the position encoder, the displacement detection at the right side of the belt is carried out, after the detection at the left side, along with the movement of the sliding block 7, when the position of the laser ranging sensor 18 is separated from the upper part of the belt, the laser ranging sensor 18 sends a signal to be transmitted to the PLC controller, and the PLC controller calculates the width of the right side of the belt according to the obtained value of the position encoder. After the width detection of the left side and the right side is finished, the system automatically returns to the zero position to wait for the next detection.
The PLC is connected with the PC, detects the specific running deviation value of the belt in real time, monitors the whole running deviation of the belt running deviation, records curves on the PC, automatically measures and calculates the running deviation rate of the belt, automatically detects the width of the belt, and automatically alarms when abnormality occurs.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Claims (9)
1. The utility model provides a belt off tracking detection device which characterized in that: including guide rail device, slider (7) and PLC control controller, slider (7) set up and slide the setting on class at guide rail device, the bottom intermediate position of slider (7) is provided with laser range finding sensor (18), laser range finding sensor (18) and guide rail device all are connected with PLC control controller, PLC control controller sets up the one end at guide rail device, guide rail device transversely sets up the top at belt (3).
2. The belt deviation detecting device according to claim 1, wherein: the guide rail device comprises supporting legs (1), sliding rods (2), a driving wheel box (4), a driven wheel box (5) and a transmission belt (6), wherein the supporting legs (1) are arranged at the bottoms of the two ends of the two sliding rods (2), the sliding blocks (7) are slidably sleeved on the two sliding rods (2), the driving wheel box (4) and the driven wheel box (5) are respectively arranged at the two ends of the sliding rods (2), the two ends of the transmission belt (6) are respectively connected with the driving wheel box (4) and the driven wheel box (5), and one side of the bottom of the transmission belt (6) is fixedly arranged with the sliding blocks (7).
3. The belt deviation detecting device according to claim 2, wherein: the PLC control controller is arranged in the driving wheel box (4), a driving motor (12), a driving wheel fixing plate (13) and a driving wheel (14) are further arranged in the driving wheel box (4), the driving wheel fixing plate (13) is fixed on the two sliding rods (2), the driving motor (12) and the driving wheel (14) are fixed on two sides of the driving wheel fixing plate (13) respectively, and the driving wheel (14) is connected with a rotating shaft of the driving motor (12).
4. The belt deviation detecting device according to claim 3, wherein: still be provided with alarm, position encoder and touch display screen on the PLC control controller, alarm, position encoder and touch display screen all are connected with PLC control controller, and position encoder sets up on slider (7), touch display screen sets up the outside at initiative wheel case (4), PLC control controller model is PLC 300.
5. The belt deviation detecting device according to claim 4, wherein: driven wheels (15), driven wheel fixing plates (16) and driven screw plugging (17) are arranged in the driven wheel box (5), the two driven wheel fixing plates (16) are fixed on the two sliding rods (2), the driven wheels (15) are arranged between the two driven wheel fixing plates (16), and the driven screw plugging (17) is arranged on the outer side of the driven wheel fixing plates (16) and is buckled with the circumferential shaft of the driven wheels (15).
6. The belt deviation detecting device according to claim 5, wherein: the top of driven wheel case (5) of initiative wheel case (4) is provided with top horizontal pole (10), the bottom of the middle part position of top horizontal pole (10) is provided with return to zero and resets and receive integrated module (11), the top of slider (7) is provided with return to zero and resets emission module (9), when slider (7) return to zero and reset, return to zero and reset emission module (9) and return to zero and reset and receive integrated module (11) on the same straight line of vertical direction, return to zero and reset emission module (9) and return to zero and reset and receive integrated module (11) and all be connected with PLC control controller.
7. The belt deviation detecting device according to claim 6, wherein: the return-to-zero reset receiving integrated module (11) comprises more than three receiving probe modules, all the receiving probe modules are arranged on the same horizontal line, and when the sliding block (7) returns to zero and resets, the middle receiving probe module and the return-to-zero reset transmitting module (9) are arranged on the same vertical line.
Transversely place the top in belt (3) with the guide rail device, and laser range finding sensor (18) of slider (7) bottom point vertically downwards on the central line of belt (3), start-up system, zero reset emission module (9) transmission signal that resets, zero reset and receive integrated module (11) and receive the signal, zero reset is accomplished, belt left side displacement detects, zero position proofreading back, slider (7) begin to walk toward the belt left side, the position encoder that sets up begins the accumulative measurement, the distance of record walking.
8. The detection method of the belt deviation detection device according to any one of claims 1 to 7, characterized in that: the method comprises the following steps:
along with the movement of the sliding block (7), when the position of the laser ranging sensor (18) is away from the upper side of the belt, a sensor signal is sent to the PLC controller, the PLC controller calculates the width of the left side of the belt according to the obtained value of the position encoder, the displacement detection of the right side of the belt is carried out, after the left side detection is finished, the right side detection is started, in the process of the right side detection, the position encoder starts accumulation measurement, the walking distance is recorded, along with the movement of the sliding block (7), when the position of the laser ranging sensor (18) is away from the upper side of the belt, the laser ranging sensor (18) sends a signal to the PLC controller, and the PLC controller calculates the width of the right side of the belt according to the.
9. The detection method of the belt deviation detection device according to claim 8, characterized in that: the PLC is connected with the PC, detects the specific running deviation value of the belt in real time, monitors the whole running deviation of the belt running deviation, records curves on the PC, automatically measures and calculates the running deviation rate of the belt, automatically detects the width of the belt, and automatically alarms when abnormality occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011214919.2A CN112407840A (en) | 2020-11-04 | 2020-11-04 | Belt deviation detection device and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011214919.2A CN112407840A (en) | 2020-11-04 | 2020-11-04 | Belt deviation detection device and detection method |
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| CN112407840A true CN112407840A (en) | 2021-02-26 |
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| CN202011214919.2A Pending CN112407840A (en) | 2020-11-04 | 2020-11-04 | Belt deviation detection device and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114873190A (en) * | 2022-05-11 | 2022-08-09 | 河北白沙烟草有限责任公司 | Error-preventing monitoring device and method for putting tobacco shreds into cabinet |
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| CN202642761U (en) * | 2012-06-21 | 2013-01-02 | 安徽理工大学 | Laser device for detecting deflecting of belt of belt conveyer |
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| CN214297929U (en) * | 2020-11-04 | 2021-09-28 | 深圳华耀天源自动化设备有限公司 | Belt deviation detection device |
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| KR20040058473A (en) * | 2002-12-27 | 2004-07-05 | 주식회사 포스코 | An apparatus for measuring the width of strip with error compensation function |
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