CN215159359U - Intelligent flat coal scattering prevention device for automobile loading - Google Patents
Intelligent flat coal scattering prevention device for automobile loading Download PDFInfo
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- CN215159359U CN215159359U CN202121220691.8U CN202121220691U CN215159359U CN 215159359 U CN215159359 U CN 215159359U CN 202121220691 U CN202121220691 U CN 202121220691U CN 215159359 U CN215159359 U CN 215159359U
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Abstract
The utility model discloses a flat coal of vapour fortune loading intelligence prevents spilling device relates to coal loading intelligent control field. The device comprises a vertical telescopic chute, wherein stay cord displacement sensors are arranged on the inner chute side and the outer chute side of the vertical telescopic chute and are connected with a PLC (programmable logic controller) through signal lines; the anti-collision rod is arranged at the foremost end of the bottom of the vertical telescopic chute; the front end, the middle part and the rear end of the bottom of the vertical telescopic chute are provided with forward, downward and backward ultrasonic distance meters, and the ultrasonic distance meters are connected with a PLC (programmable logic controller). And 8 groups of laser correlation switches are arranged on the upright columns on two sides below the vertical telescopic chute, and the 8 groups of laser correlation switches are connected with the PLC. Install the alarm lamp in rectilinear flexible chute below weighbridge exit, the alarm lamp passes through the power cord and connects the switch board relay, and the relay passes through PLC to be controlled. The utility model discloses utilize all kinds of sensors to realize the flexible chute intelligence perception of rectilinear, solve current loading system through PLC intelligent control and easily spill the material problem, can intelligent flat coal, improve the loading and cross pound efficiency.
Description
Technical Field
The utility model relates to a coal loading intelligent control field specifically is a flat coal of vapour fortune loading intelligence prevents spilling device.
Background
In-process at coal loading, traditional vapour transport loading faces the problem of easily spilling the material, this kind of condition causes the long-pending coal of weighbridge very easily, influence weighbridge sensor data, need regularly artifical clearance, seriously influence loading efficiency and precision, artifical the participation is adjusted also during the loading simultaneously, the coal pile height fluctuation of loading out often causes the unable phenomenon that covers of tarpaulin, need the manual work to carry out the flat coal again, influence weighing efficiency, and the dust noise is bigger during loading and unloading, arouse the work injury easily. Based on this situation, there is an urgent need for a coal charging device that does not require manual adjustment/cleaning and does not harm worker labor safety.
Disclosure of Invention
The utility model discloses a solve current coal vapour transport device and easily spill material, influence the sensor and load the problem of inefficiency simultaneously, provide a vapour transport loading intelligence flat coal and prevent spilling the device.
The utility model discloses a realize through following technical scheme: an intelligent flat coal anti-scattering device for a steam transport loading vehicle comprises a vertical telescopic chute and a PLC (programmable logic controller), wherein the vertical telescopic chute comprises an inner chute and an outer chute, the outer chute is sleeved outside the inner chute and moves up and down under the action of an oil cylinder, a stay rope displacement sensor is fixed on the inner side wall of the outer chute through a support, a stay rope head of the stay rope displacement sensor is fixed on the inner chute and is vertically arranged, and the stay rope displacement sensor is connected with the PLC through a signal line; the anti-collision rod is arranged at the foremost end of the bottom of the inner chute; the port is installed forward ultrasonic ranging appearance, back port and is installed backward ultrasonic ranging appearance before the bottom of outer chute, ultrasonic ranging appearance and backward ultrasonic ranging appearance all pass through the signal line and connect the PLC controller forward, install decurrent downward ultrasonic ranging appearance in the middle of the bottom of outer chute, downward ultrasonic ranging appearance passes through the signal line and connects the PLC controller. Eight pairs of laser correlation switches which are horizontally and rightly opposite are arranged on the two inner side walls of two symmetrical loading road upright columns below the vertical telescopic chute, the transmitting ends of the eight pairs of laser correlation switches are connected with a 24V power line, the receiving ends are connected with a PLC (programmable logic controller) through signal lines, the receiving ends and the transmitting ends are all covered by a stainless steel shield, and laser is transmitted through a transparent dustproof plate at the opening of the stainless steel shield; in rectilinear flexible chute below, the alarm lamp is installed in the weighbridge exit, the alarm lamp passes through the power cord and connects the switch board relay, the switch board relay is controlled through the PLC controller.
The utility model discloses a device is prevented spilling by flat coal of vapour transport loading intelligence mainly is through the PLC controller earlier a plurality of distance data of gathering, then controls the coal volume of loading according to the data of gathering, also can carry out the flat coal when the coal-charging and prevent spilling. The device comprises a vertical telescopic chute and a PLC (programmable logic controller), wherein the upper part of the vertical telescopic chute is connected with a coal bunker, and the lower part of the vertical telescopic chute extends into a carriage; a stay cord displacement sensor is fixed on the inner side wall of the outer chute through a support, a stay cord head of the stay cord displacement sensor is fixed on the inner chute and is vertically arranged, and the stay cord displacement sensor is connected with a PLC (programmable logic controller) through a signal line and is used for measuring the distance extending out of a port of the outer chute. The anti-collision rod is arranged at the foremost end of the bottom of the inner chute and used for preventing a carriage or coal from colliding the inner chute and the outer chute when the vehicle moves forwards. The port is installed forward ultrasonic ranging appearance, back port and is installed backward ultrasonic ranging appearance before the bottom of outer chute, installs decurrent downward ultrasonic ranging appearance in the middle of the bottom, and three ultrasonic ranging appearance all is used for gathering distance information, all connects the PLC controller through the signal line, gives the PLC controller with data transmission, then by the decline of outer chute of PLC controller control or stop. In the below of the flexible chute of rectilinear, the loading of two symmetries says that two inboard wall mountings have the level just right eight to laser correlation switch, eight are to the transmitting terminal connection 24V power cord of laser correlation switch, the receiving terminal passes through signal line connection PLC controller, the receiving terminal covers with the transmitting terminal is whole, the transparent dust guard that laser passed through the stainless steel guard shield opening part transmits, because different vehicle height can be different, it can be different to shelter from laser correlation switch quantity, set for through the PLC procedure, can be through sheltering from quantity, judge the vehicle height. At the flexible chute below of rectilinear, the alarm lamp is installed in the weighbridge exit, and the alarm lamp passes through the power cord and connects the switch board relay, and the switch board relay controls through the PLC controller, and the alarm lamp lights under two kinds of circumstances, and first warning vehicle is too near with the distance of crash bar, need move the vehicle forward, and second the car is interior coal and has been adorned the high-order, needs move the vehicle forward. The utility model discloses specific operation control includes following step:
firstly, selecting a vertical telescopic chute to be put into on loading computer industrial control software, starting to load a vehicle, measuring the extending length of an outer chute by a pull rope displacement sensor, judging whether the vertical telescopic chute is in a high position or not, judging whether 8 groups of laser correlation switches are not shielded or not, and determining that a vehicle can enter after the vehicle is normal.
Secondly, a driver drives the vehicle into the silo successfully by swiping a card, the vertical telescopic chute control oil cylinder is automatically opened at the moment, the vehicle is driven to the lower part of the chute, the carriage can shield 8 groups of laser correlation switches, the vehicle heights can be different, and the number of the shielded laser correlation switches can be different; through PLC program setting, can judge the vehicle height through sheltering from quantity, calculate the dispatch that rectilinear flexible chute need descend, through stay cord displacement sensor control rectilinear flexible chute decline position.
The driver clicks and begins the button of loading this moment, outer chute can descend automatically, decline in-process chute bottom middle part decurrent ultrasonic ranging appearance can detect safe distance, if the vehicle stops under the chute can avoid the collision, descend and begin the coal charging behind the setting position, the driver is through judging the anterior crash bar adjustment vehicle position of chute, the ultrasonic ranging appearance of flexible chute bottom front and back end passes through the PLC program and sets for the warning distance, if the vehicle position is too near can make the action of weighbridge exit warning lamp apart from the crash bar, the suggestion driver removes the vehicle.
After the loading is started, when coal enters the carriage through the telescopic chute and is gradually stacked, the alarm distance of the downward ultrasonic distance meter of the telescopic chute is set according to the PLC, an alarm lamp at the wagon balance outlet can be actuated to prompt a driver to move the vehicle forward, the lamp stops moving the vehicle, the distance between the ultrasonic distance meter of the rear end of the bottom of the telescopic chute from the loading position to the tail part of the carriage can be judged, the alarm can be prompted when the distance is too short, and the chute is prevented from colliding with the tail of the vehicle.
And fifthly, gradually filling the carriage to a pre-loading amount, automatically stopping coal loading, automatically lifting an outer chute of the telescopic chute, and driving a driver to leave the silo after voice prompt.
Compared with the prior art the utility model discloses following beneficial effect has: the utility model provides a flat coal of vapour fortune loading intelligence prevents spilling device: firstly, intelligent control of a vertical telescopic chute is realized through PLC control by utilizing a stay cord displacement sensor, a laser correlation switch and an ultrasonic distance meter, the problem that the material is easy to scatter during traditional loading is thoroughly solved, manual coal cleaning is not needed, and the loading efficiency is improved; the telescopic chute can ensure that coal discharged during loading is smooth, the problem that tarpaulin cannot cover is solved, manual coal leveling is avoided, vehicle weighing efficiency is improved, meanwhile, the telescopic chute enables coal falling points to be reduced, dust noise is controlled during loading and unloading, and environmental protection requirements are met; the utility model discloses a can use at all vapour fortune loading systems, solve the big difficult problem of vapour fortune loading, have great breakthrough on technical innovation, have important economy and social.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The figures are labeled as follows: the method comprises the following steps of 1-a vertical telescopic chute, 2-a stay cord displacement sensor, 3-an anti-collision rod, 4-a forward ultrasonic range finder, 5-a downward ultrasonic range finder, 6-a backward ultrasonic range finder, 7-a loading lane upright post, 8-a laser correlation switch, 9-an alarm lamp and 10-a freight car.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
An intelligent flat coal anti-scattering device for a truck, as shown in fig. 1: the device comprises a vertical telescopic chute 1 and a PLC (programmable logic controller), wherein the vertical telescopic chute 1 comprises an inner chute 101 and an outer chute 102, the outer chute 102 is sleeved outside the inner chute 101 and moves up and down under the action of an oil cylinder, a pull rope displacement sensor 2 is fixed on the inner side wall of the outer chute 102 through a support, a pull rope head of the pull rope displacement sensor 2 is fixed on the inner chute 101 and is vertically arranged, and the pull rope displacement sensor 2 is connected with the PLC through a signal line; the anti-collision rod 3 is arranged at the foremost end of the bottom of the inner chute 101; a front ultrasonic distance meter 4 is installed at the front port of the bottom of the outer chute 102, a rear ultrasonic distance meter 6 is installed at the rear port of the bottom of the outer chute, the front ultrasonic distance meter 4 and the rear ultrasonic distance meter 6 are both connected with a PLC (programmable logic controller) through signal lines, a downward ultrasonic distance meter 5 is installed in the middle of the bottom of the outer chute 102, and the downward ultrasonic distance meter 5 is connected with the PLC through the signal lines; eight pairs of laser correlation switches 8 which are horizontally aligned are arranged on two inner side walls of two symmetrical loading road upright posts 7 below the vertical telescopic chute 1, the transmitting ends of the eight pairs of laser correlation switches 8 are connected with a 24V power line, the receiving end is connected with a PLC controller through a signal line, the receiving end and the transmitting end are all covered by a stainless steel shield, and laser is transmitted through a transparent dustproof plate at the opening of the stainless steel shield; in the 1 below of rectilinear flexible chute, alarm lamp 9 is installed in the weighbridge exit, alarm lamp 9 passes through the power cord and connects the switch board relay, the switch board relay is controlled through the PLC controller.
The above embodiment carries out the intelligent flat coal of vapour transportation loading and prevents spilling, and the control operation includes the following step:
firstly, a telescopic chute input button is manufactured on a loading computer and a PLC program is switched, so that the telescopic chute can be input or cut off. A PLC controller is used for manufacturing a state program of the telescopic chute, loading is started, whether the state of the vertical telescopic chute is at a high position (the set height is 50-200 mm) or not is judged, 8 groups of laser correlation switches are completely free of shielding, and it is determined that a vehicle can enter after the vehicle is normal.
The driver successfully drives into the silo by swiping a card, at the moment, the vertical telescopic chute oil cylinder motor can be automatically started, the vehicle is driven to the lower side of the chute, the carriage can shield 8 groups of laser correlation switches, the heights of different vehicles can be different, the number of the shielded laser correlation switches can be different, 8 positions are set by the PLC according to the laser correlation switches, the distance between each position and the corresponding stay cord displacement sensor is different, the height of the vehicle is judged by shielding the number, the descending position of the telescopic chute is accurately controlled by a large number of tests, and the current height of the vehicle for steam transportation is met.
At this moment, the driver clicks a button for starting loading, the outer chute is controlled to automatically descend through the PLC, the downward ultrasonic distance meter 5 in the middle of the bottom of the chute can detect the safe distance (less than or equal to 100 mm), if the vehicle stops under the telescopic chute, collision can be avoided, and when an emergency occurs, the driver can click a field pause button to stop the telescopic chute to descend.
And fourthly, after the telescopic chute is in place, the coal feeder automatically starts to operate, the PLC program judges that the outer chute cannot descend after the coal feeder operates, at the moment, a coal loading driver starts to observe the position of an anti-collision rod 3 at the front part of the chute through a lane display screen to adjust the vehicle, a forward ultrasonic distance meter 4 at the front end of the bottom of the telescopic chute sets an alarm distance through the PLC program, if the position of the vehicle is too close to the anti-collision rod 3, an alarm lamp 9 at an outlet of a wagon balance is enabled to operate, three alarm intervals are set (the detection distance is more than 50 and less than or equal to 100mm, the alarm lamp operates for 1s and at an interval of 5s, the detection distance is more than 25 and less than or equal to 50mm, the alarm lamp operates for 1s and at an interval of 2s, the detection distance is less than or equal to 25mm, the alarm lamp operates for 1s and at an interval of 1s, and the early warning frequency is higher when the distance is closer to the anti-collision rod), and the driver is prompted to move the vehicle.
After loading is started, when coal enters a carriage through the telescopic chute and is gradually piled up, the alarm distance (less than or equal to 230 mm) of the telescopic chute to the downward ultrasonic distance meter 5 is set according to a PLC program, an alarm lamp at the wagon balance outlet can be actuated to prompt a driver to move the vehicle forwards, when the lamp (more than 230 mm) is turned off, the vehicle is stopped moving, the alarm lamp is continuously actuated for 20s, coal feeding is suspended, and the coal can be continuously discharged after the driver manually resets.
And judging the distance between the rear end of the rear telescopic chute and the tail of the carriage by the backward ultrasonic range finder 6 when the vehicle is loaded to the rear end of the bottom of the rear telescopic chute, prompting an alarm when the distance is too short, and similarly setting three alarm intervals (the detection distance is more than 50 and less than or equal to 100mm, the alarm lamp acts for 1s and 5s, the detection distance is more than 25 and less than or equal to 50mm, the alarm lamp acts for 1s and 2s, the detection distance is less than or equal to 25mm, the alarm lamp acts for 1s and 1s, and the early warning frequency is higher when the distance is closer) to prevent the chute from colliding with the tail of the vehicle.
And seventhly, the carriage is gradually filled to a pre-loading amount, the coal loading is automatically stopped, the flexible chute is automatically lifted under the control of the PLC, the lifting position is judged according to the stay cord displacement sensor (the set position is less than or equal to 100 mm), and a driver drives the vehicle to leave the silo after voice prompt.
And eighthly, the PLC program sets the protection time of the oil cylinder motor of the telescopic chute, and if no vehicle is swiped for entering in more than 20min, the oil cylinder motor automatically stops running.
The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (1)
1. The utility model provides a flat coal of vapour transport loading intelligence prevents spilling device which characterized in that: the device comprises a vertical telescopic chute (1) and a PLC (programmable logic controller), wherein the vertical telescopic chute (1) comprises an inner chute (101) and an outer chute (102), the outer chute (102) is sleeved outside the inner chute (101) and moves up and down under the action of an oil cylinder, a stay rope displacement sensor (2) is fixed on the inner side wall of the outer chute (102) through a support, a stay rope head of the stay rope displacement sensor (2) is fixed on the inner chute (101) and is vertically arranged, and the stay rope displacement sensor (2) is connected with the PLC through a signal line; the anti-collision rod (3) is arranged at the foremost end of the bottom of the inner chute (101); a front ultrasonic distance meter (4) is mounted at a front port of the bottom of the outer chute (102), a rear ultrasonic distance meter (6) is mounted at a rear port of the bottom of the outer chute, the front ultrasonic distance meter (4) and the rear ultrasonic distance meter (6) are both connected with a PLC (programmable logic controller) through signal lines, a downward ultrasonic distance meter (5) is mounted in the middle of the bottom of the outer chute (102), and the downward ultrasonic distance meter (5) is connected with the PLC through signal lines;
eight pairs of laser correlation switches (8) which are horizontally aligned are arranged on two inner side walls of two symmetrical loading channel upright posts (7) below the vertical telescopic chute (1), the transmitting ends of the eight pairs of laser correlation switches (8) are connected with a 24V power line, the receiving end is connected with a PLC (programmable logic controller) through a signal line, the receiving end and the transmitting end are all covered by a stainless steel shield, and laser is transmitted through a transparent dust guard plate at the opening of the stainless steel shield;
in rectilinear flexible chute (1) below, alarm lamp (9) are installed to weighbridge exit, alarm lamp (9) are through power cord connection switch board relay, the switch board relay is controlled through the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220691.8U CN215159359U (en) | 2021-06-02 | 2021-06-02 | Intelligent flat coal scattering prevention device for automobile loading |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121220691.8U CN215159359U (en) | 2021-06-02 | 2021-06-02 | Intelligent flat coal scattering prevention device for automobile loading |
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| CN215159359U true CN215159359U (en) | 2021-12-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955596A (en) * | 2022-06-23 | 2022-08-30 | 戴春华 | Chute protection method, device, control equipment, system and medium for loading operation |
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2021
- 2021-06-02 CN CN202121220691.8U patent/CN215159359U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955596A (en) * | 2022-06-23 | 2022-08-30 | 戴春华 | Chute protection method, device, control equipment, system and medium for loading operation |
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