CN111806323B - Lifting recognition device and monitoring and warning method for strip mine dump truck - Google Patents
Lifting recognition device and monitoring and warning method for strip mine dump truck Download PDFInfo
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- CN111806323B CN111806323B CN202010539615.7A CN202010539615A CN111806323B CN 111806323 B CN111806323 B CN 111806323B CN 202010539615 A CN202010539615 A CN 202010539615A CN 111806323 B CN111806323 B CN 111806323B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000005065 mining Methods 0.000 claims abstract description 81
- 238000005070 sampling Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
- B60P1/04—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
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Abstract
The invention relates to a monitoring method of a dump truck, in particular to a lifting identification device of a strip mine dump truck, which comprises a magnet fixing frame, a magnet arranged on the magnet mounting frame, a sensor fixing frame and a magnetic Hall sensor arranged on the sensor fixing frame, wherein the sensor fixing frame is arranged at the top of a cab of the mine truck, and the magnet fixing frame is arranged on a box hopper of the mine truck; when the box hopper of the mining truck is in a complete falling state, the magnet is opposite to the magnetic Hall sensor and triggers the magnetic Hall sensor; and when the box hopper of the mining truck is in a lifting state, the magnet does not trigger the magnetic Hall sensor. The device can accurately identify the unloading starting time and the unloading finishing time of the truck for the strip mine, and can give an alarm to remind a driver aiming at the potential safety hazard of the lifting bucket driving, so that the safety accident caused by the lifting bucket driving is effectively eliminated. The invention also provides a lifting identification monitoring warning method for the strip mine dump truck.
Description
Technical Field
The invention relates to a monitoring method of a dump truck, in particular to a lifting recognition device and a monitoring warning method of a mining dump truck.
Background
With the rapid development of informatization, more and more strip mines begin to use truck dispatch systems to direct production. The strip mine truck dispatching system relates to the statistics of the cycle activity time of a truck, and the cycle activity comprises air transportation, loading, heavy transportation, unloading and unloading. The statistics of the unloading time adopts a software algorithm judgment mode at present, namely, the unloading range of a truck is planned in a system, after the truck enters the unloading range, the unloading starting time and the unloading ending time are defined according to algorithms such as parking time, path turning back track analysis and the like, but the algorithm does not have a universal rule in the field actual production, so that the statistical unloading time has errors, and meanwhile, from the perspective of safe production, the phenomenon that a driver forgets to drop a box hopper after unloading and lifts the hopper to drive the truck exists, by using the technology, the lifting and dropping time of the box hopper of the mining truck can be accurately positioned through sensor analog quantity, thereby providing reliable technical support for the state recognition and optimized dispatching of a truck dispatching system, and simultaneously, the occurrence of safety accidents can be avoided by prompting a driver through audible and visual alarm when the truck lifts the truck to drive the truck, has great practical value.
Disclosure of Invention
In order to solve the problems, the lifting recognition device for the open-pit mine dump truck can accurately recognize the unloading starting time and the unloading finishing time of the open-pit mine dump truck, and can give an alarm to remind a driver aiming at the potential safety hazard of the bucket lifting driving, so that the safety accident caused by the bucket lifting driving is effectively eliminated. The invention also provides a lifting identification monitoring warning method for the strip mine dump truck.
In order to achieve the purpose, the invention adopts the technical scheme that:
in a first aspect, a lift identification device for a surface mine dump truck mounted on a mining truck, the mining truck including a mining truck cab and a self-dumping mining truck bed, characterized by: the lifting recognition device of the strip mine dump truck comprises a magnet fixing frame, a magnet arranged on the magnet fixing frame, a sensor fixing frame and a magnetic Hall sensor arranged on the sensor fixing frame, wherein the sensor fixing frame is arranged at the top of a cab of the mine truck, and the magnet fixing frame is arranged on a box hopper of the mine truck;
when the box hopper of the mining truck is in a complete falling state, the magnet is opposite to the magnetic Hall sensor and triggers the magnetic Hall sensor; and when the box hopper of the mining truck is in a lifting state, the magnet does not trigger the magnetic Hall sensor.
In the first technical scheme, preferably, the sensor fixing frame comprises a vertical frame and a horizontal frame, wherein the end parts of the vertical frame and the horizontal frame are fixedly connected to form an L-shaped structure, the horizontal frame is provided with a bolt fixing hole, and the magnetic Hall sensor is arranged on the vertical frame.
In a second technical scheme, the lifting identification monitoring and warning method for the open-pit dump truck adopts the lifting identification device for the open-pit dump truck provided by the first technical scheme,
the sampling rate of the magnetic Hall sensor is acquired by the vehicle-mounted terminal for 5 times per second; when the output values of the magnetic Hall sensor analog quantity acquired by the vehicle-mounted terminal are 0 for 5 times, judging that the box hopper of the mining truck is in a lifting state; when the output values of the magnetic Hall sensor analog quantity obtained by the vehicle-mounted terminal for 5 times are all 1, judging that the box hopper of the mining truck is in a falling state;
when the vehicle-mounted terminal acquires the analog quantity output values of the magnetic Hall sensor for 5 times, the sequence of the output values is 0 and then 1, and the mining truck box is judged to fall back; and when the vehicle-mounted terminal acquires the output values of the analog quantity of the magnetic Hall sensor sequentially appearing 1 first and 0 second in 5 times, judging that the box hopper of the mining truck is in the lifting process.
In the second technical scheme, preferably, when the box hopper of the mining truck is judged to be in the lifting state and the running speed of the mining truck is greater than 5 km/h, the vehicle-mounted terminal alarms and stops the vehicle, and the box hopper of the mining truck is forced to perform the actions of returning and dropping the hopper.
In the second technical aspect, it is preferable that the mining truck can normally travel when it is determined that the box 1 of the mining truck is in the fall-back state.
In the second technical scheme, preferably, when the running speed of the mining truck is greater than 5 km/h in the falling process of the box hopper of the mining truck, the vehicle-mounted terminal alarms and stops running, and normal running is waited for after the box hopper of the mining truck finishes falling.
In the second technical scheme, preferably, when the driving speed of the mining truck is more than 5 kilometers per hour in the lifting process of the box hopper of the mining truck, the vehicle-mounted terminal alarms and stops the vehicle, materials are unloaded from the box hopper of the mining truck, and the vehicle is driven normally after the material is unloaded and the material is returned.
In the second technical scheme, preferably, when the mining truck normally runs in a state that the box hopper of the mining truck is not lifted, the false alarm occurs, and it is determined that the magnetic hall sensor, the magnet or the vehicle-mounted terminal has a fault, and the mining truck is stopped for maintenance.
The beneficial effects of the invention are as follows:
the invention can accurately identify the unloading state by monitoring the analog quantity value change of the magnetic Hall sensor, and provides technical support for the state identification and the optimized dispatching of the truck in the strip mine truck dispatching system, thereby achieving the purpose of improving the production efficiency of equipment, effectively avoiding the truck driver from lifting the hopper to drive the vehicle, and ensuring the safety and the safe transportation of the vehicle and the driver.
Drawings
Fig. 1 is a layout view of a lift recognition device of a surface mine dump truck according to the present invention.
Fig. 2 is a schematic diagram of a hall sensor and a sensor fixing frame in the lifting recognition device of the strip mine dump truck according to the present invention.
The reference numerals include:
the sensor comprises a 1-mining truck box, a 2-magnet fixing frame, a 3-mining truck cab, a 4-sensor fixing frame, a 5-vertical frame, a 6-horizontal frame, a 7-bolt fixing hole and an 8-magnetic Hall sensor.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution clearer, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
Example 1
As shown in fig. 1 and 2, the lifting recognition device for the surface mine dump truck according to the present embodiment is mounted on a mining truck, the mining truck includes a mining truck cab 3 and a self-dumping mining truck box 1, the lifting recognition device for the surface mine dump truck includes a magnet fixing frame 2, a magnet arranged on the magnet fixing frame, a sensor fixing frame 4, and a magnetic hall sensor 8 mounted on the sensor fixing frame 4, wherein the sensor fixing frame 4 is mounted on the top of the mining truck cab 3, and the magnet fixing frame 2 is mounted on the mining truck box 1;
when the box hopper 1 of the mining truck is in a complete falling state, the magnet is opposite to the magnetic Hall sensor 8 and triggers the magnetic Hall sensor 8; when the box hopper 1 of the mining truck is in a lifting state, the magnet does not trigger the magnetic Hall sensor 8.
As shown in fig. 2, preferably, the sensor fixing frame 4 includes a vertical frame 5 and a horizontal frame 6, wherein the ends of the vertical frame 5 and the horizontal frame 6 are fixedly connected to form an "L" shaped structure, the horizontal frame 6 is provided with a bolt fixing hole 7, and the magnetic hall sensor 8 is arranged on the vertical frame 5.
Example 2
A lift recognition monitoring and warning method for a dump truck for strip mines, using the lift recognition device for a dump truck for strip mines as set forth in example 1, wherein
The sampling rate of the magnetic Hall sensor 8 acquired by the vehicle-mounted terminal is 5 times per second; when the vehicle-mounted terminal acquires that the analog quantity output values of the magnetic Hall sensor 8 are 0 for 5 times, judging that the box hopper 1 of the mining truck is in a lifting state; when the analog quantity output values of the magnetic Hall sensor 8 are obtained by the vehicle-mounted terminal for 5 times and are all 1, judging that the box hopper 1 of the mining truck is in a falling state;
when the vehicle-mounted terminal acquires the analog quantity output value of the magnetic Hall sensor 8 for 5 times, the sequence of 0 is first and then 1 is carried out, and the mining truck box 1 is judged to fall back; when the vehicle-mounted terminal acquires the analog quantity output value of the magnetic Hall sensor 8 for 5 times, the sequence is 1 and then 0, and the mining truck box 1 is judged to be in the lifting process.
In the second technical scheme, preferably, when it is determined that the box hopper 1 of the mining truck is in a lifting state and the running speed of the mining truck is greater than 5 km/h, the vehicle-mounted terminal alarms to stop, and the box hopper 1 of the mining truck is forced to perform a falling and hopper placing action.
In the second technical aspect, it is preferable that the mining truck can normally travel when it is determined that the box 11 of the mining truck is in the fall-back state.
In the second technical scheme, preferably, when it is determined that the driving speed of the mining truck is greater than 5 km/h in the falling process of the box hopper 1 of the mining truck, the vehicle-mounted terminal alarms to stop, and waits for the box hopper 1 of the mining truck to normally drive after the falling process is finished.
In the second technical scheme, preferably, when it is determined that the driving speed of the mining truck is greater than 5 kilometers per hour in the lifting process of the box hopper 1 of the mining truck, the vehicle-mounted terminal alarms to stop, materials are unloaded from the box hopper 1 of the mining truck, and the box hopper 1 of the mining truck is driven normally after being returned.
In the second technical scheme, preferably, when the mining truck normally runs in a state that the box hopper 1 of the mining truck is not lifted, a false alarm occurs, and it is determined that the magnetic hall sensor 8, the magnet or the vehicle-mounted terminal has a fault, and the mining truck is stopped for maintenance.
The invention can accurately identify the unloading state by monitoring the analog quantity value change of the magnetic Hall sensor 8, and provides technical support for the state identification and the optimized dispatching of the truck in the strip mine truck dispatching system, thereby achieving the purpose of improving the production efficiency of equipment, and simultaneously, effectively avoiding the truck driver from lifting the truck to drive, and ensuring the safety and the safe transportation of the vehicle and the driver.
In other embodiments, the magnetic hall sensor 8 may be considered a sensor and the magnet may be considered a trigger for use with the sensor. The magnet and the magnetic hall sensor 8 are only most preferred in this embodiment.
The foregoing is only a preferred embodiment of the present invention, and many variations in the specific embodiments and applications of the invention may be made by those skilled in the art without departing from the spirit of the invention, which falls within the scope of the claims of this patent.
Claims (2)
1. A lifting identification device of a strip mine dump truck, which is mounted on a mining truck comprising a mining truck cab and a self-turnable mining truck box, characterized in that: the lifting recognition device of the strip mine dump truck comprises a magnet fixing frame, a magnet arranged on the magnet fixing frame, a sensor fixing frame and a magnetic Hall sensor arranged on the sensor fixing frame, wherein the sensor fixing frame is arranged at the top of a cab of the mine truck, and the magnet fixing frame is arranged on a box hopper of the mine truck;
when the box hopper of the mining truck is in a complete falling state, the magnet is opposite to the magnetic Hall sensor and triggers the magnetic Hall sensor; the magnet does not trigger the magnetic Hall sensor when the box hopper of the mining truck is in a lifting state;
according to the lifting identification monitoring warning method for the strip mine dump truck, a vehicle-mounted terminal obtains the sampling rate of a magnetic Hall sensor for 5 times per second; when the output values of the magnetic Hall sensor analog quantity acquired by the vehicle-mounted terminal are 0 for 5 times, judging that the box hopper of the mining truck is in a lifting state; when the output values of the magnetic Hall sensor analog quantity obtained by the vehicle-mounted terminal for 5 times are all 1, judging that the box hopper of the mining truck is in a falling state;
when the vehicle-mounted terminal acquires the analog quantity output values of the magnetic Hall sensor for 5 times, the sequence of the output values is 0 and then 1, and the mining truck box is judged to fall back; when the vehicle-mounted terminal acquires the output values of the analog quantity of the magnetic Hall sensor sequentially appearing 1 first and 0 later in 5 times, judging that the box hopper of the mining truck is in the lifting process;
when the box hopper of the mining truck is judged to be in a lifting state and the running speed of the mining truck is higher than 5 kilometers per hour, the vehicle-mounted terminal alarms to stop, and the box hopper of the mining truck is forced to perform falling back and placing actions;
when the box hopper 1 of the mining truck is judged to be in a falling state, the mining truck can normally run;
when the driving speed of the mining truck is more than 5 kilometers per hour in the falling process of the box hopper of the mining truck, the vehicle-mounted terminal alarms and stops the vehicle, and the vehicle-mounted terminal waits for the box hopper of the mining truck to normally drive after the falling is finished;
when the mining truck box bucket is judged to be lifted and the running speed of the mining truck is more than 5 kilometers per hour, the vehicle-mounted terminal alarms and stops the vehicle, materials are unloaded from the mining truck box bucket, and the vehicle normally runs after the material is unloaded from the mining truck box bucket and the box bucket is returned;
when the mining truck normally runs in a state that the box hopper of the mining truck is not lifted, the false alarm occurs, the magnetic Hall sensor, the magnet or the vehicle-mounted terminal is judged to have faults, and the mining truck is stopped and overhauled.
2. The lift recognition device for a surface mine dump truck according to claim 1, wherein: the sensor fixing frame comprises a vertical frame and a horizontal frame, wherein the vertical frame and the end part of the horizontal frame are fixedly connected to form an L-shaped structure, the horizontal frame is provided with a bolt fixing hole, and the magnetic Hall sensor is arranged on the vertical frame.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010539615.7A CN111806323B (en) | 2020-06-12 | 2020-06-12 | Lifting recognition device and monitoring and warning method for strip mine dump truck |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010539615.7A CN111806323B (en) | 2020-06-12 | 2020-06-12 | Lifting recognition device and monitoring and warning method for strip mine dump truck |
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| CN111806323A CN111806323A (en) | 2020-10-23 |
| CN111806323B true CN111806323B (en) | 2022-08-02 |
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| CN114779605A (en) * | 2022-04-26 | 2022-07-22 | 鞍钢集团矿业有限公司 | Hall sensor based truck unloading identification and time calculation method and device |
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| CN202296767U (en) * | 2011-09-26 | 2012-07-04 | 义马煤业集团股份有限公司 | Automatic quantitative loading system of mine skip |
| CN103043393A (en) * | 2011-10-17 | 2013-04-17 | 江苏天禹农业机械有限公司 | Belt slippage detection device of grain hoister |
| CN202748102U (en) * | 2012-06-29 | 2013-02-20 | 浙江春风动力股份有限公司 | Oil level monitoring device |
| CN103253137A (en) * | 2013-05-24 | 2013-08-21 | 三一矿机有限公司 | System and method for tilt early warning and control and dumper |
| CN104742779B (en) * | 2015-04-15 | 2017-07-14 | 西南科技大学 | Body of tipper carriage status display and dangerous situation warning device |
| CN207207840U (en) * | 2017-06-01 | 2018-04-10 | 南京云计趟信息技术有限公司 | Lifting identifying system based on acceleration transducer and gyroscope |
| CN207328229U (en) * | 2017-09-01 | 2018-05-08 | 山东兴田机械有限公司 | From braking hydraulic device and dumper |
| CN111262990B (en) * | 2018-11-30 | 2021-12-28 | 北京小米移动软件有限公司 | Sliding closure type terminal, sliding closure state detection method and device and storage medium |
| CN109606233A (en) * | 2019-02-20 | 2019-04-12 | 徐州徐工矿业机械有限公司 | A kind of articulated truck dumps control system and dumps control method |
| CN110602297B (en) * | 2019-09-17 | 2021-02-02 | 深圳市万普拉斯科技有限公司 | Method and device for calibrating motion steps of lifting motor and mobile terminal |
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