CN116160998A - Mine dump truck with stone discharging function for off-highway and use method thereof - Google Patents
Mine dump truck with stone discharging function for off-highway and use method thereof Download PDFInfo
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- CN116160998A CN116160998A CN202211672787.7A CN202211672787A CN116160998A CN 116160998 A CN116160998 A CN 116160998A CN 202211672787 A CN202211672787 A CN 202211672787A CN 116160998 A CN116160998 A CN 116160998A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
- B60S1/66—Other vehicle fittings for cleaning for cleaning vehicle exterior
- B60S1/68—Other vehicle fittings for cleaning for cleaning vehicle exterior for freeing wheels or tyres from foreign matter, e.g. wheel scrapers
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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
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
- B60S1/64—Other vehicle fittings for cleaning for cleaning vehicle interiors, e.g. built-in vacuum cleaners
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention provides an off-highway mine dump truck with a stone discharging function, which can effectively remove stone residues among wheels and lead the stones to wear tires, and meanwhile, the scheme only can discharge the stones when the stones are found, so that a stone discharging baffle rod is not always positioned among the wheels, and further, the problem that the stone is prevented from swinging left and right among the wheels or being blocked between the wheels and a baffle plate for a long time is avoided.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to an off-highway mine dump truck with a stone discharging function and a use method thereof.
Background
Off-highway mining dump trucks generally work in open-air mining areas with hard road conditions, and rear wheels of the mining dump trucks are of a double-wheel structure; because the road surface of the mining area is bumpy and is accompanied by a large amount of cobbles and gravel, a large number of stones are always stuffed between two tires of the rear wheel set of the dump truck, and if the stones are not removed in time, the stones continuously squeeze and wear the tires and even puncture the tires, so that the stone breaker is required to be arranged on the off-highway mining dump truck so as to remove the stones involved in gaps of the tires at any time. At present, a stone breaker is often arranged between two tires of a rear wheel set of a dump truck, one of the stone breaker is that an integral stone discharging rod is fixedly arranged between the two tires through a pin, and the stone discharging rod is an iron rod; however, the iron rod is always arranged between two wheels, and in the operation of the dump truck, the phenomenon that the row Dan Gan shakes left and right to touch the tire and stones or ores are clamped between the wheels and the iron rod is quite easy to occur, so that the extrusion abrasion of the tire is seriously aggravated, the daily maintenance cost of the mining dump truck is greatly increased, and meanwhile, the risk is brought to the operation of the mine truck.
Disclosure of Invention
The invention provides an off-highway mine dump truck with a stone discharging function, which solves the problems existing in the prior art.
The technical scheme of the invention is realized as follows:
an off-highway mining dump truck with a stone discharging function, comprising:
a headstock for driving and controlling the vehicle,
the vehicle body comprises a discharging rack for discharging materials;
four sets of wheelsets are located the shaft both sides of automobile body bottom respectively, wherein:
each wheel group at least comprises two wheels, a gap exists between the two wheels, and a detection mechanism is arranged on a wheel shaft between the two wheels;
the vehicle body is also provided with a stone discharging mechanism;
the unloading shelf is provided with a impurity removing mechanism.
Further, the detection mechanism comprises a fixed ring fixedly arranged on a wheel shaft between two wheels, a pair of first permanent magnets are uniformly embedded on the fixed ring along the circumferential direction, and magnetic poles of one ends of the first permanent magnets, which face the circle center of the fixed ring, are different; the outer surface of the fixed ring is provided with a circular ring, the circular ring is provided with symmetrically arranged through grooves along the circumferential direction, a first coil is wound on the through grooves, and the wiring end of the first coil extends out of the circular ring; a plurality of balls are arranged between the circular ring and the fixed ring.
Further, a laser reflection sensor for detecting obstacles is embedded on the outer surface of the circular ring, and the laser reflection sensor is connected with a commutator wire.
Further, the stone removing mechanism comprises a mounting frame positioned at the bottom of the vehicle body, a baffle rod is rotatably arranged on the mounting frame, a motor is further arranged on the mounting frame and used for driving the baffle rod to work, and when the baffle rod is in a working state, the baffle rod stretches into a position between two wheels; and the mounting frame is also provided with a controller, and the controller is used for receiving the laser reflection sensor signal and driving the motor to work according to the signal.
Further, the impurity removing mechanism comprises a strip-shaped groove arranged on the side wall of the unloading rack along the length direction of the unloading rack, a spring is fixed at the bottom of the strip-shaped groove, and one end, far away from the spring, of the strip-shaped groove is also connected with a marble in a sliding manner; the side wall of one end of the strip-shaped groove, which is close to the spring, is symmetrically provided with a pair of contacts, and the contact is contacted and conducted when the marble is in maximum displacement.
Further, the tops of the side walls at the two sides of the unloading frame are respectively provided with a sliding groove, a sliding block is connected in the sliding grooves in a sliding way, and a second permanent magnet is arranged in the sliding block; one end fixedly connected with iron core of spout, the outer coiling of iron core has the second coil, the second coil is connected with the contact electricity, still be equipped with the touch switch between coil and the contact.
Further, a scraper is fixedly connected to the sliding block, and the scraper is connected with the inner side of the side wall of the unloading frame.
Further, one end of the iron core facing the sliding block is provided with a flexible pad.
The invention also provides a using method of the off-highway mine dump truck with the stone discharging function, which comprises the following steps:
s1, detecting a maintenance vehicle, detecting a gas circuit and an oil circuit of the vehicle, and ensuring that the circuit can work normally;
s2, performing test running, namely selecting stones with different specifications and weights to be placed on a vehicle running route or clamped into gaps between wheels, starting an automobile to perform an experiment, wherein when the experiment is performed, the distances between the stones clamped into the gaps between the wheels are sequentially increased, namely the distances between the stones and the center of a wheel shaft are sequentially reduced; firstly, testing normal running of wheels, and recording detection data of at least one circle of a laser reflection sensor around a wheel shaft when no stone is clamped between the wheels; then, gradually clamping the test wheel into stones, wherein each time of clamping one stone, at least recording data recorded by one circle of rotation of the laser reflection sensor around the wheel shaft, and the like, sequentially recording a plurality of groups of data of the laser reflection sensors obtained by stones with different clamping depths, so as to obtain a plurality of groups of comparison data;
s3, loading cargoes, namely loading materials such as sand, stone and minerals into a discharge frame of the car body, and closing a baffle door of the discharge frame;
s4, transporting goods, wherein the touch switch is closed in the process, so that the second coil is always in a power-off state;
s5, removing the stones, wherein in the cargo transportation process, the detection mechanism is used for detecting the intermittence between the wheels, and when stones and other foreign matters are detected between the wheels, the stones are removed;
s6, unloading, when the vehicle stops and unloads, a goods unloading frame shutter is opened, the goods unloading frame is operated to lift, goods are dumped, when the goods are dumped, a touch switch is turned on, the impurity removing mechanism starts to work, and the scraping plate scrapes and sweeps the inner wall of the goods unloading frame, so that impurity removal is realized.
Preferably, in the step S2, during the experiment, the distances between the stones clamped into the gaps between the wheels are sequentially increased, namely the distances between the stones and the circle centers of the wheel shafts are sequentially reduced; firstly, testing normal running of wheels, and recording detection data of a laser reflection sensor around three weeks of a wheel shaft at least when no stone is clamped between the wheels; then, the test wheel gradually clamps in stones, each time one stone is clamped in, data recorded by at least three circles of rotation of the laser reflection sensor around the wheel shaft are required to be recorded, and the like, the data of the laser reflection sensors obtained by multiple groups of stones with different clamping depths are recorded in sequence, so that multiple groups of comparison data are obtained.
Preferably, in the step S5, in the cargo transportation process, the detecting mechanism is used to detect the intermittence between the wheels, and when the foreign matters such as stones are detected between the wheels, the stones are discharged; specifically, after the laser reflection sensor detects the signals of sundries between the wheels, the time for recording the signals lasts for at least one circle of relative movement between the laser reflection sensor and the wheel shaft, then the data is compared with the contrast data formed in the step S2, when the data are compared, the data only have the phase difference, and the stones are considered to be clamped between the wheels, and the stone discharging mechanism is driven to discharge the stones.
The beneficial effects of the invention are as follows:
in this scheme, the stone residue between the wheel can effectually be clear away to the stone mechanism, stone wearing and tearing tire, simultaneously, this scheme only when the discovery has the stone, just can carry out the stone that arranges, consequently, the shelves pole of stone is not always in between the wheel, has consequently avoided preventing for a long time between the wheel, the side-to-side sways, perhaps blocked the problem between wheel and baffle by the stone.
In this scheme, edulcoration mechanism can not work when the car is gone, and lifts at subsequent car unloading frame, carries out work again when unloading, can help the unloading on the one hand, avoids personnel to stand on the vehicle when unloading to shovel the danger that the goods shines, on the other hand, can clear the material and unload remaining on the shelf, prevent the accumulation of silt and be stained with and cover.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the detection mechanism of the present invention;
FIG. 3 is a schematic view of a structure of the stone removing mechanism of the present invention;
FIG. 4 is a schematic diagram of the wiring of the laser reflection sensor of the present invention;
FIG. 5 is a schematic view of the structure of the bar-shaped groove of the present invention;
FIG. 6 is a schematic view of the structure of the impurity removing mechanism of the present invention;
FIG. 7 is a schematic diagram of a wiring circuit of a second coil of the present invention;
FIG. 8 is a side view of the impurity removal mechanism of the present invention;
FIG. 9 is a schematic diagram of a controller according to the present invention;
fig. 10 is a schematic flow chart of embodiment 2 of the present invention.
Reference numerals illustrate:
1. a headstock; 2. a vehicle body; 3. unloading a goods shelf; 4. a fixing ring; 5. a first permanent magnet; 6. a circular ring; 7. a first coil; 8. a laser reflection sensor; 9. a wheel axle; 10. a ball; 11. a wheel; 12. a motor; 13. a mounting frame; 14. a bar-shaped groove; 15. a marbles; 16. a spring; 17. a contact; 18. a slide block; 19. a scraper; 20. an iron core; 21. a second coil; 22. and touching and pressing the switch.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that, in the embodiments of the present invention, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present invention.
Example 1
As shown in fig. 1 to 9, an off-highway mine dump truck with a stone discharging function, comprising: a vehicle head 1 for driving and steering a vehicle; a vehicle body 2, wherein the vehicle body 2 comprises a discharging rack 3 for discharging materials; four sets of wheel sets are respectively positioned at two sides of the wheel shaft 9 at the bottom of the vehicle body 2. Each wheel set comprises at least two wheels 11, a gap exists between the two wheels 11, and a detection mechanism is arranged on the wheel shaft 9 between the two wheels 11. The vehicle body 2 is also provided with a stone discharging mechanism. The unloading frame 3 is provided with a impurity removing mechanism.
The detection mechanism comprises a fixed ring 4 fixedly arranged on a wheel shaft 9 between two wheels 11, a pair of first permanent magnets 5 are uniformly embedded on the fixed ring 4 along the circumferential direction, and one ends of the first permanent magnets 5, which face the circle center of the fixed ring 4, are different in magnetic poles; the outer surface of the fixed ring 4 is provided with a circular ring 6, the circular ring 6 is provided with symmetrically arranged through grooves along the circumferential direction, a first coil 7 is wound on the through grooves, and the wiring end of the first coil 7 extends out of the circular ring 6; a plurality of balls 10 are arranged between the circular ring 6 and the fixed ring 4; the outer surface of the circular ring 6 is embedded with a laser reflection sensor 8 for detecting obstacles, and the laser reflection sensor 8 is connected with a commutator wire.
Specifically, the fixed ring 4 rotates along with the wheel shaft 9, and drives the first permanent magnet to rotate along with the wheel shaft 9, so that the ring 6 and the first permanent magnet 5 on the fixed ring 4 move relatively, the first coil 7 cuts magnetic force lines to generate an induction magnetic field, the induction magnetic field has magnetic polarity and interaction force with the first permanent magnet exists, and therefore the ring 6 rotates at a speed lower than the rotating speed of the fixed ring 4; meanwhile, the first coil 7 also generates induction current when cutting magnetic lines, and after the conventional circuit design steps of reversing, electric brushes, rectifying and stabilizing voltage and the like, the part of electric energy is introduced into the laser reflection sensor 8 to supply power to the laser reflection sensor.
The ring 6 rotates relative to the fixed ring 4, the speed of the ring 6 is smaller than that of the fixed ring 4, and the fixed ring 4 moves at the same speed with the wheel shaft 9, so that the rotation speed difference exists between the ring 6 and the wheel shaft 9, and after a period of time, the relative displacement of the ring 6 and the wheel shaft 9 exceeds the circumference of one fixed ring 4, that is, the ring 6 gradually rotates around the wheel shaft 9 in the moving process; so that the laser reflection sensor 8 on the ring 6 can effectively detect the space outside the wheel shaft 9 when rotating around the wheel shaft 9, and avoid blind spots, so that the detection result is more accurate.
The stone removing mechanism comprises a mounting frame 13 positioned at the bottom of the vehicle body 2, a baffle rod is rotatably arranged on the mounting frame 13, a motor 12 is further arranged on the mounting frame 13, the motor 12 is used for driving the baffle rod to work, and when the baffle rod is in a working state, the baffle rod extends into a space between two wheels 11; the mounting frame 13 is also provided with a controller, and the controller is used for receiving the signal of the laser reflection sensor 8 and driving the motor 12 to work according to the signal; the power source for the motor 12 is the power source generated by the vehicle generator 12.
When the laser reflection sensor 8 detects that foreign matters exist between vehicles, signals are transmitted to a controller, and the controller can be a microcomputer, a CPU chip, a singlechip or the like; the controller will start motor 12 after receiving the foreign matter signal, and the motor 12 output is equipped with the pin, and after the motor 12 starts, drives the pin and rotates between the vehicle, keeps off the foreign matter, realizes the row stone.
The impurity removing mechanism comprises a strip-shaped groove 14 arranged on the side wall of the unloading frame 3 along the length direction of the unloading frame 3, a spring 16 is fixed at the bottom of the strip-shaped groove 14, and one end, far away from the spring 16, of the strip-shaped groove 14 is also connected with a marble 15 in a sliding manner; the side wall of the strip-shaped groove 14, which is close to one end of the spring 16, is symmetrically provided with a pair of contacts 17, and the contact 17 is contacted and conducted when the marble 15 is at the maximum displacement.
The tops of the side walls at the two sides of the unloading rack 3 are respectively provided with a sliding groove, a sliding block 18 is connected in the sliding grooves in a sliding way, and a second permanent magnet is arranged in the sliding block 18; one end fixedly connected with iron core 20 of spout, the outer coiling of iron core 20 has second coil 21, second coil 21 is connected with the contact 17 electricity, still be equipped with between coil and the contact 17 and touch pressure switch 22.
The slide block 18 is fixedly connected with a scraper 19, and the scraper 19 is connected with the inner side of the side wall of the unloading frame 3. The end of the core 20 facing the slider 18 is provided with a flexible pad.
Specifically, during the running of the automobile, the touch switch 22 is turned off; when the dump truck is to be unloaded, the touch switch 22 is pressed to be closed, when the unloading frame 3 starts to lift, the marble 15 gradually slides to the spring 16 for one section, when the unloading frame 3 reaches a certain unloading position, the displacement of the marble 15 just reaches the contact 17, the outer surface of the marble 15 is conductive by metal, so that the two ends of the contact 17 are conducted, the second coil 21 is electrified, the second coil 21 and the iron core 20 form an electromagnet to generate strong attractive force to the second permanent magnet in the sliding block 18, the sliding block 18 can unload cargoes to a certain degree, or the cargoes start to move under the action of the attractive force after being unloaded, the scraping plate 19 is driven to move, the scraping plate 19 scrapes the inner wall of the unloading frame 3, and sundry soil and the like are prevented from being remained.
The contact switch 22 and the conductive contact 17 of the marble 15 are in series connection, and only two of the contact switch and the conductive contact are conductive, the second coil 21 can be electrified; it is avoided that the marbles 15, which are caused by acceleration and deceleration during the running of the vehicle, conduct the contacts 17, preventing the unnecessary power supply of the second coil 21.
Example 2
As shown in fig. 10, in order to better understand the operation principle or operation procedure of the off-highway mining dump truck with a stone discharging function provided in embodiment 1, embodiment 2 describes in detail a method of using the off-highway mining dump truck with a stone discharging function.
Specifically, the method for using the off-highway mine dumper with the stone discharging function comprises the following specific steps:
s1, detecting a maintenance vehicle, detecting a gas circuit and an oil circuit of the vehicle, and ensuring that the circuit can work normally;
s2, performing test running, namely selecting stones with different specifications and weights to be placed on a vehicle running route or clamped into gaps between the wheels 11, and starting an automobile to perform an experiment, wherein when the experiment is performed, the distances between the stones clamped into the gaps between the wheels 11 are sequentially increased, namely the distances between the stones and the circle centers of the axles 9 of the wheels 11 are sequentially reduced; firstly, testing normal running of wheels 11, and recording detection data of at least one circle of laser reflection sensor 8 around the axle 9 of the wheels 11 when no stone is clamped between the wheels 11; then, the test wheel 11 gradually clamps stones, each time one stone is clamped, at least data recorded by one rotation of the laser reflection sensor 8 around the wheel 11 shaft 9 is required to be recorded, and the like, a plurality of groups of data of the laser reflection sensors 8 obtained by stones with different clamping depths are recorded in sequence, so that a plurality of groups of comparison data are obtained;
s3, loading cargoes, namely loading materials such as sand, stone and minerals into the unloading frame 3 of the vehicle body 2, and closing a shutter of the unloading frame 3;
s4, transporting goods, wherein the touch switch 22 is closed in the process, so that the second coil 21 is always in a power-off state;
s5, removing the stones, wherein in the cargo transportation process, the detection mechanism is used for detecting the intermittence between the wheels 11, and when foreign matters such as stones are detected between the wheels 11, the stones are removed;
s6, unloading, when the vehicle stops and is unloaded, a shutter of the unloading frame 3 is opened, the unloading frame 3 is operated to lift and dump the cargoes, when the cargoes are dumped, the touch switch 22 is opened, the impurity removing mechanism starts to work, and the scraping plate 19 scrapes and sweeps the inner wall of the unloading frame 3, so that impurity removal is realized.
In one preferred embodiment, in step S2, during the experiment, the distance between the stones clamped in the gaps between the wheels 11 is selected to be sequentially increased, that is, the distance from the center of the axle 9 of the wheels 11 is sequentially decreased; firstly, testing that the wheels 11 normally run, and recording detection data of the laser reflection sensor 8 around the axle 9 of the wheels 11 for three weeks at least when no stone is clamped between the wheels 11; then, the test wheel 11 gradually clips into stones, each time a stone is clipped into the test wheel, at least data recorded by three rotations of the laser reflection sensor 8 around the wheel 11 shaft 9 are required to be recorded, and the like, and sequentially records a plurality of groups of data of the laser reflection sensors 8 obtained by stones with different clipping depths, so as to obtain a plurality of groups of comparison data.
In one specific embodiment, in step S5, during the cargo transportation, the detecting mechanism is used to detect the intermittence between the wheels 11, and when the foreign matters such as stones are detected between the wheels 11, the foreign matters are removed; specifically, after the laser reflection sensor 8 detects the signals of the sundries between the wheels 11, the time for recording the signals lasts for at least one circle of relative movement between the laser reflection sensor 8 and the wheel 11 shaft 9, then the data is compared with the comparison data formed in the step S2, when the data is compared, the data only have the phase difference, the stones are considered to be clamped between the wheels 11, and the stone discharging mechanism is driven to discharge the stones.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (9)
1. An off-highway mining dump truck with a stone discharging function, comprising:
the vehicle head is used for driving and controlling the vehicle;
the vehicle body comprises a discharging rack for discharging materials;
four groups of wheel sets are respectively positioned at two sides of the wheel shaft at the bottom of the vehicle body,
the method is characterized in that:
each wheel group at least comprises two wheels, a gap exists between the two wheels, and a detection mechanism is arranged on a wheel shaft between the two wheels;
the vehicle body is also provided with a stone discharging mechanism;
the unloading shelf is provided with a impurity removing mechanism.
2. The mine dump truck with the stone removing function for the off-highway according to claim 1, wherein the detection mechanism comprises a fixed ring fixedly arranged on a wheel shaft between two wheels, a pair of first permanent magnets are uniformly embedded on the fixed ring along the circumferential direction, and magnetic poles of one ends of the first permanent magnets, which face the circle center of the fixed ring, are different; the outer surface of the fixed ring is provided with a circular ring, the circular ring is provided with symmetrically arranged through grooves along the circumferential direction, a first coil is wound on the through grooves, and the wiring end of the first coil extends out of the circular ring; a plurality of balls are arranged between the circular ring and the fixed ring.
3. The mine dump truck with a stone removing function for off-highway according to claim 2, wherein a laser reflection sensor for detecting obstacles is embedded on the outer surface of the circular ring, and the laser reflection sensor is connected with a wiring terminal of the first coil.
4. The mine dump truck with the stone removing function for the off-highway according to claim 3, wherein the stone removing mechanism comprises a mounting frame positioned at the bottom of the truck body, a baffle rod is rotatably arranged on the mounting frame, a motor is further arranged on the mounting frame and used for driving the baffle rod to work, and when the baffle rod is in a working state, the baffle rod stretches into a position between two wheels; and the mounting frame is also provided with a controller, and the controller is used for receiving the laser reflection sensor signal and driving the motor to work according to the signal.
5. The mine dump truck with the stone discharging function for the off-highway according to claim 4, wherein the impurity removing mechanism comprises a strip-shaped groove arranged on the side wall of the unloading rack along the length direction of the unloading rack, a spring is fixed at the bottom of the strip-shaped groove, and one end, far away from the spring, of the strip-shaped groove is also connected with a marble in a sliding manner; the side wall of one end of the strip-shaped groove, which is close to the spring, is symmetrically provided with a pair of contacts, and the contact is contacted and conducted when the marble is in maximum displacement.
6. The mine dump truck with the stone discharging function for the off-highway according to claim 5, wherein the tops of the side walls at two sides of the unloading frame are respectively provided with a sliding groove, a sliding block is connected in the sliding grooves in a sliding way, and a second permanent magnet is arranged in the sliding block; one end fixedly connected with iron core of spout, the outer coiling of iron core has the second coil, the second coil is connected with the contact electricity, still be equipped with the touch switch between coil and the contact.
7. The mine dump truck with stone removal function for off-highway according to claim 6, wherein a scraper is fixedly connected to the sliding block, and the scraper is connected with the inner side of the side wall of the unloading frame.
8. The mine dump truck for off-highway use with the function of removing urinary calculus according to claim 7, wherein an end of the iron core facing the slider is provided with a flexible pad.
9. A method of using the off-highway mining dump truck with a stone removal function according to any one of claims 1 to 8, comprising the steps of:
s1, detecting a maintenance vehicle, detecting a gas circuit and an oil circuit of the vehicle, and ensuring that the circuit can work normally;
s2, performing test running, namely selecting stones with different specifications and weights to be placed on a vehicle running route or clamped into gaps between wheels, starting an automobile to perform an experiment, wherein when the experiment is performed, the distances between the stones clamped into the gaps between the wheels are sequentially increased, namely the distances between the stones and the center of a wheel shaft are sequentially reduced; firstly, testing normal running of wheels, and recording detection data of at least one circle of a laser reflection sensor around a wheel shaft when no stone is clamped between the wheels; then, gradually clamping the test wheel into stones, wherein each time of clamping one stone, at least recording data recorded by one circle of rotation of the laser reflection sensor around the wheel shaft, and the like, sequentially recording a plurality of groups of data of the laser reflection sensors obtained by stones with different clamping depths, so as to obtain a plurality of groups of comparison data;
s3, loading cargoes, namely loading materials such as sand, stone and minerals into a discharge frame of the car body, and closing a baffle door of the discharge frame;
s4, transporting goods, wherein the touch switch is closed in the process, so that the second coil is always in a power-off state;
s5, removing the stones, wherein in the cargo transportation process, the detection mechanism is used for detecting the intermittence between the wheels, and when stones and other foreign matters are detected between the wheels, the stones are removed;
s6, unloading, when the vehicle stops and unloads, a goods unloading frame shutter is opened, the goods unloading frame is operated to lift, goods are dumped, when the goods are dumped, a touch switch is turned on, the impurity removing mechanism starts to work, and the scraping plate scrapes and sweeps the inner wall of the goods unloading frame, so that impurity removal is realized.
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