CN114275479A - Movable type material receiving vehicle for open pit coal mine - Google Patents
Movable type material receiving vehicle for open pit coal mine Download PDFInfo
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- CN114275479A CN114275479A CN202210095528.6A CN202210095528A CN114275479A CN 114275479 A CN114275479 A CN 114275479A CN 202210095528 A CN202210095528 A CN 202210095528A CN 114275479 A CN114275479 A CN 114275479A
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Abstract
The invention relates to the technical field of bulk cargo transportation auxiliary equipment, in particular to a movable material receiving vehicle for an open pit coal mine, which comprises: a track; the skip car is arranged on the track and used for conveying the coal blocks; the material guide mechanism is arranged on the skip car and used for guiding the coal blocks fed by the transfer machine; the discharging mechanism is arranged at the bottom of the skip car and is used for bearing and discharging the coal blocks in the skip car; the retarding mechanism sets up respectively in the both sides of skip, and retarding mechanism is used for restricting the position of skip, through the setting of track, skip, material guiding mechanism, unloading mechanism and retarding mechanism, can carry out complete collection to the coal cinder to transport and the fixed point is unloaded the coal cinder.
Description
Technical Field
The invention relates to the technical field of bulk cargo transportation auxiliary equipment, in particular to a movable material receiving vehicle for an open pit coal mine.
Background
Coal is solid combustible mineral formed gradually by ancient plants buried underground and undergoing complex biochemical and physicochemical changes, is branches, leaves and rhizomes of plants for millions of years, is a layer of extremely thick black humus piled on the ground, is continuously buried underground due to the change of crust, is isolated from air for a long time, and forms black combustible sedimentary rock through a series of complex physicochemical changes and other factors under high temperature and high pressure, namely the formation process of the coal.
Coal is known as black gold by people, and is industrial food, which is one of main energy sources used in the human world since the eighteenth century, and since the twenty-first century, although the value of coal is not as high as before, coal is one of indispensable energy sources for production and life of people at present and in a long time in the future after all, the supply of coal is also related to the stability of the development of the industry of China and the aspect of the whole society, and the problem of the supply safety of coal is also the most important part in the energy safety of China;
coal is fossil fuel with the most abundant storage amount and the widest distribution region on the earth. The coal organic matter is composed mainly of carbon, hydrogen, oxygen, nitrogen, sulfur, and the like, and further contains a very small amount of phosphorus, fluorine, chlorine, arsenic, and the like.
Carbon, hydrogen and oxygen are main bodies of organic matters of coal, and account for more than 95 percent; the deeper the degree of coalification, the higher the carbon content and the lower the hydrogen and oxygen content. Carbon and hydrogen are elements that generate heat during the combustion of coal, and oxygen is a combustion-supporting element. When coal is burned, nitrogen does not generate heat, and is converted into nitrogen oxide and ammonia at high temperature, and the nitrogen oxide and the ammonia are separated out in a free state. Sulfur, phosphorus, fluorine, chlorine, arsenic, and the like are harmful components in coal, and among them, sulfur is most important. When coal is combusted, most of sulfur is oxidized into sulfur dioxide (SO2), which is discharged along with flue gas, pollutes the atmosphere, harms the growth of animals and plants and human health, and corrodes metal equipment; coal, which contains much sulfur, also affects the quality of coke and steel when used for metallurgical coking. Therefore, the content of the sulfur content is one of important indexes for evaluating the coal quality.
In the existing open pit coal mining operation, coal is mined by a coal mining machine and transported by a continuous transfer system connected behind the coal mining machine. However, the continuous transfer system for coal transportation is limited by the height or inclination of the coal face, so that stable continuous transfer cannot be realized, the operation efficiency is low, and large-scale mining is difficult to realize.
Chinese patent: CN201711302769.9 discloses a mobile material receiving vehicle with a buffer device, which is disposed above a belt conveyor, and is used for buffering received materials and outputting the buffered materials onto a conveyor belt of the belt conveyor, and the material receiving vehicle can run along rails on two sides of the belt conveyor; the receiving vehicle comprises a travelling mechanism, a vehicle frame body, an elastic part, a receiving assembly and a brake mechanism, wherein the travelling mechanism with a normally closed structure brake structure is matched with a track of a belt conveyor to move, so that the requirement of multi-point receiving is met; the left receiving plate and the right receiving plate are provided with spliced abrasion-resistant plates, so that the impact of large and hard substances on the receiving trolley can be borne, and the receiving trolley is convenient to replace; the left receiving plate and the right receiving plate are specially designed with the horn mouth shapes in the longitudinal direction and the material conveying direction, so that materials can be effectively buffered and dredged, and the damage to a conveying belt is avoided; an elastic piece is arranged between the traveling mechanism and the skip car frame body, so that the materials are further buffered and dredged, and the damage to the conveying belt is avoided.
However, the patent needs to pour the coal blocks into the skip car through the forklift and then control the skip car to pour onto the conveyor belt, and because a method for pouring the coal mine into the skip car through the transfer conveyor exists on the coal mine, the patent has narrow practicability and cannot avoid the coal mine from falling out in the conveying process.
The problems set out above therefore require the provision of a mobile hopper car for an open pit coal mine.
Disclosure of Invention
In order to solve the technical problem, the mobile material receiving vehicle for the open pit coal mine is provided.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a mobile hopper car for a opencast coal mine, comprising:
a track;
the skip car is arranged on the track and used for conveying the coal blocks;
the material guide mechanism is arranged on the skip car and used for guiding the coal blocks fed by the transfer machine;
the discharging mechanism is arranged at the bottom of the skip car and is used for bearing and discharging the coal blocks in the skip car;
the retarding mechanisms are respectively arranged on two sides of the skip car and are used for limiting the position of the skip car.
Preferably, the skip comprises:
the discharging mechanism is arranged at the bottom of the surrounding frame;
the four track wheels are respectively arranged at four corners below the surrounding frame and are rotatably connected with the surrounding frame;
and the steel cable is connected with the side wall of the surrounding frame, and two ends of the steel cable are respectively connected with the winding machine.
Preferably, the material guiding mechanism comprises:
the hinge seat is arranged on the side wall of the surrounding frame and is hinged with the side wall;
the fixing part of the first electric push rod is connected with the hinge seat;
the material cover is arranged at the top of the surrounding frame, and the output end of the first electric push rod is connected with the movable end of the material cover.
Preferably, the charge cover comprises:
the hinged rod is arranged on one side of the top of the surrounding frame and is hinged with the surrounding frame;
the steel frame is positioned at the top of the surrounding frame and fixedly connected with the hinge rod, and the output end of the first electric push rod is connected with the steel frame;
the canvas, the steel frame and the surrounding frame are connected through the canvas.
Preferably, the discharge mechanism comprises:
the two bottom plates are symmetrically arranged at the bottom of the surrounding frame and are hinged with the surrounding frame, and connecting rods are arranged on the bottom plates;
and the two turning plate assemblies are respectively arranged on two sides of the surrounding frame, and the output ends of the turning plate assemblies are respectively connected with the connecting rods of the two bottom plates.
Preferably, the flap assembly comprises:
the groove frame is positioned on one side of the surrounding frame, a sliding block is arranged on the groove frame, the groove frame is connected with the surrounding frame in a sliding mode through the sliding block, and the connecting rods of the two bottom plates are connected with the groove frame in a sliding mode;
and the longitudinal movement driving component is arranged on one side of the surrounding frame, and the output end of the longitudinal movement driving component is connected with the slot frame.
Preferably, the longitudinal movement driving assembly comprises:
the threaded cylinder is arranged on the side wall of the surrounding frame and is rotatably connected with the surrounding frame;
the threaded rod is in threaded connection with the threaded cylinder, and the bottom end of the threaded rod is fixedly connected with the groove frame;
and the servo motor is arranged outside the surrounding frame, and the output end of the servo motor is connected with the threaded cylinder.
Preferably, the speed reducing mechanism includes:
the turnover curved bar is positioned on one side of the surrounding frame, and the bent part of the turnover curved bar is hinged with the side wall of the surrounding frame;
the rubber sheet is arranged at the output end of the turnover curved rod and is fixedly connected with the turnover curved rod;
the fixed end of the second electric push rod is hinged with the side wall of the surrounding frame, and the output end of the second electric push rod is hinged with the stress end of the rubber sheet.
Preferably, the receiving vehicle further comprises: an early warning mechanism;
the early warning mechanism includes:
the distance sensor is arranged on the side wall of the skip car, and the output end of the distance sensor is consistent with the feeding direction of the skip car;
the limiting stop rods are arranged along the path of the track.
Preferably, the limit stop lever comprises:
the fixing frame is arranged on the track;
the pushing cylinder is arranged on the fixed frame and is fixedly connected with the fixed frame;
the baffle is arranged at the output end of the pushing cylinder;
and the limiting rod is arranged on the baffle, and the baffle is in sliding connection with the fixing frame.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arrangement of the track, the skip car, the material guide mechanism, the discharging mechanism and the retarding mechanism, the coal blocks can be completely collected and can be conveyed and discharged at fixed points.
2. According to the invention, through the arrangement of the skip car and the discharging mechanism, the coal blocks can be contained and conveyed, and the coal blocks can be quickly dumped in the discharging process, so that the coal block retention problem is avoided.
3. According to the invention, through the arrangement of the material guide mechanism, the coal briquettes can be guided to smoothly enter the skip car, and the coal briquettes are prevented from being overturned in the process of conveying the coal briquettes.
4. According to the invention, through the arrangement of the retarding mechanism, the speed can be reduced in advance when the material discharging point is about to be reached, so that the phenomenon that the skip car is overturned or the structure is damaged due to sudden braking is avoided.
5. According to the invention, through the arrangement of the early warning mechanism, the working time of the retarding mechanism can be controlled in advance, and the inaccurate operation caused by manual control of workers is avoided.
Drawings
FIG. 1 is a schematic perspective view of the present invention
FIG. 2 is a front view of the present invention
FIG. 3 is a top view of the present invention
FIG. 4 is a first schematic perspective view of the skip and the discharge mechanism of the present invention;
FIG. 5 is a side view of the skip, material directing mechanism and discharge mechanism of the present invention;
FIG. 6 is a schematic perspective view of the skip, the material guide mechanism and the discharge mechanism of the present invention;
FIG. 7 is a schematic perspective view of a skip and a discharge mechanism of the present invention;
FIG. 8 is a bottom view of the skip and discharge mechanism of the present invention;
FIG. 9 is a front view of the skip and discharge mechanism of the present invention;
FIG. 10 is a side view of the skip and discharge mechanism of the present invention;
FIG. 11 is an enlarged view taken at A of FIG. 10;
FIG. 12 is a schematic perspective view of the skip, the unloading mechanism and the retarding mechanism of the present invention;
FIG. 13 is a side view of the skip, discharge mechanism and retarding mechanism of the present invention;
FIG. 14 is a second perspective view of the present invention;
FIG. 15 is an enlarged view at B of FIG. 14;
the reference numbers in the figures are:
1-a track;
2-a skip car; 2 a-a surrounding frame; 2 b-a rail wheel; 2 c-a steel cord;
3-a material guiding mechanism; 3 a-a hinged seat; 3 b-a first electric push rod; 3 c-material cover; 3c 1-hinge bar; 3c 2-steel frame; 3c 3-canvas;
4-a discharging mechanism; 4 a-a bottom plate; 4a 1-connecting rod; 4 b-a trough frame; 4b1 — slide; 4 c-a longitudinal movement drive assembly; 4c 1-threaded barrel; 4c 2-threaded rod; 4c 3-servomotor;
5-a retarding mechanism; 5 a-turning over the curved bar; 5 b-a rubber sheet; 5 c-a second electric push rod;
6-belt conveyor;
7-early warning mechanism; 7 a-a distance sensor; 7 b-a limit stop lever; 7b 1-holder; 7b 2-pusher cylinder; 7b 3-baffle; 7b 4-stop bar.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In order to solve the technical problem that the coal blocks fall out during collection and transportation, as shown in fig. 1, fig. 2 and fig. 3, the following technical solutions are provided:
a mobile hopper car for a opencast coal mine, comprising:
a track 1;
the skip car 2 is arranged on the track 1, and the skip car 2 is used for conveying coal blocks;
the material guide mechanism 3 is arranged on the skip car 2, and the material guide mechanism 3 is used for guiding the coal blocks fed by the transfer machine;
the discharging mechanism 4 is arranged at the bottom of the skip car 2, and the discharging mechanism 4 is used for carrying and discharging the coal blocks in the skip car 2;
the retarding mechanisms 5 are respectively arranged at two sides of the skip car 2, and the retarding mechanisms 5 are used for limiting the position of the skip car 2;
specifically, a plurality of belt conveyors 6 are arranged on the arrangement route of the track 1, the belt conveyors 6 are arranged below the track 1, the belt conveyors 6 are used for transporting coal briquettes in different directions, the coal briquettes need to be distinguished according to the transporting conditions of the two coal briquettes before being transported, the first mode is that the coal briquettes are transported by a transfer machine, the mined coal briquettes are transported to the upper part of the skip 2 by the transfer machine, so that the coal briquettes fall into the skip 2, when the coal briquettes are transported by the transfer machine, the coal briquettes may pass the top of the skip 2 due to inertia, in order to prevent the coal briquettes from falling out in the process of being transported into the skip 2, the material guiding mechanism 3 starts to work, the working part of the material guiding mechanism 3 covers the discharging end of the transfer machine and the feeding port on the top of the skip 2, guides the entering direction of the coal briquettes, so as to ensure that the coal briquettes can accurately fall into the skip 2, when the skip car 2 is filled with coal blocks, the skip car 2 moves along the guide of the track 1, a plurality of belt conveyors 6 distributed on the track 1 are discharging points for conveying to different places, at the moment, the movement needs to be stopped at a certain discharging point through the cooperation of a retarding mechanism 5, then a discharging mechanism 4 starts to work, the bottom of the skip car 2 is opened by the discharging mechanism 4, the coal blocks in the skip car 2 fall into the output end of the belt conveyors 6 in a staggered manner, the coal blocks are conveyed to the next process through the belt conveyors 6, the second mode is that the coal blocks are fed and conveyed through a forklift, the cut coal blocks are poured into the skip car 2 from top to bottom through the forklift, so that the coal blocks fall into the skip car 2, in order to prevent the skip car 2 from being overturned during the movement along the track 1, the material guide mechanism 3 starts to work, the working part of the material guide mechanism 3 covers the discharging end of the conveyor and the feeding hole at the top of the skip car 2, the coal briquette feeding device has the advantages that the coal briquette feeding direction is guided, so that coal briquettes can accurately fall into the skip car 2, after the skip car 2 is filled with the coal briquettes, the skip car 2 moves along the guide of the rail 1, a plurality of belt conveyors 6 distributed on the path of the rail 1 are discharging points conveyed to different places, the belt conveyors need to stop moving at a certain discharging point through the cooperation of the retarding mechanism 5, then the discharging mechanism 4 starts to work, the bottom of the skip car 2 is opened by the discharging mechanism 4, the coal briquettes inside the skip car 2 fall into the output end of the belt conveyor 6 in a lump, and the coal briquettes are conveyed to the next process through the belt conveyor 6.
In order to solve the technical problem of carrying and transporting the coal briquettes, as shown in fig. 4, the following technical scheme is provided:
the skip 2 includes:
the discharging mechanism 4 is arranged at the bottom of the surrounding frame 2 a;
four rail wheels 2b are provided, the four rail wheels 2b are respectively arranged at four corners below the surrounding frame 2a, and the rail wheels 2b are rotatably connected with the surrounding frame 2 a;
the steel cable 2c, the steel cable 2c is connected with sidewall of the surrounding frame 2a, both ends of the steel cable 2c are connected with winder separately;
specifically, after the coal briquette fills the inside of the skip car 2, the bottom of the coal briquette is supported by the working part of the discharging mechanism 4, and the winding machine at the end of the moving direction starts to operate according to the moving direction of the surrounding frame 2a, the winding machine winds the steel cable 2c and pulls the surrounding frame 2a, and the surrounding frame 2a moves along the guide of the rail 1 through the rail wheel 2 b.
In order to solve the technical problem of charging coal briquettes in different modes, as shown in fig. 5, the following technical scheme is provided:
the material guide mechanism 3 includes:
a hinge base 3a provided on a side wall of the surrounding frame 2a and hinged thereto;
the fixed part of the first electric push rod 3b is connected with the hinge seat 3 a;
the material cover 3c is arranged at the top of the surrounding frame 2a, and the output end of the first electric push rod 3b is connected with the movable end of the material cover 3 c;
specifically, the material guide mechanism 3 starts to work, the output end of the first electric push rod 3b pushes the material cover 3c, the material cover 3c covers the discharge end of the transfer machine and the feed inlet at the top of the skip car 2, a conveying channel is formed between the skip cars 2 of the transfer mechanism, the situation that coal blocks are splashed down in the process of entering the conveying channel is avoided, and the hinged seat 3a is used for supporting the first electric push rod 3b and rotates along with the first electric push rod 3 b.
In order to solve the technical problem of coal block trend limitation, as shown in fig. 6, the following technical solutions are provided:
the material cover 3c includes:
a hinge bar 3c1 provided at one side of the top of the surrounding frame 2a and hinged thereto;
the steel frame 3c2 is positioned at the top of the surrounding frame 2a, the steel frame 3c2 is fixedly connected with the hinge rod 3c1, and the output end of the first electric push rod 3b is connected with the steel frame 3c 2;
the canvas 3c3, the steel frame 3c2 and the surrounding frame 2a are connected through the canvas 3c 3;
specifically, the material guiding mechanism 3 starts to work, the output end of the first electric push rod 3b pushes the steel frame 3c2, the steel frame 3c2 turns upwards along the guiding of the hinged rod 3c1 until the steel frame 3c2 covers the discharge port of the transfer machine, and then the canvas 3c3 is supported to form a feeding channel, so that the situation that the coal blocks fall out when the transfer machine conveys the coal blocks into the skip car 2 is avoided, and the skip car 2 can be prevented from being popped up when the coal blocks are bumped in the process of moving along the track 1.
In order to solve the technical problem of discharging coal briquettes, as shown in fig. 7, the following technical scheme is provided:
the discharge mechanism 4 includes:
the two bottom plates 4a are symmetrically arranged at the bottom of the surrounding frame 2a, the bottom plates 4a are hinged with the surrounding frame 2a, and the connecting rods 4a1 are arranged on the bottom plates 4 a;
the two turning plate assemblies are respectively arranged at two sides of the surrounding frame 2a, and the output ends of the turning plate assemblies are respectively connected with the connecting rods 4a1 of the two bottom plates 4 a;
specifically, when the surrounding frame 2a is located at the discharging point, the discharging mechanism 4 starts to work, the output ends of the two flap assemblies respectively push the two connecting rods 4a1, the two connecting rods 4a1 drive the two bottom plates 4a to be opened downwards in opposite directions, the coal briquette loses support and starts to fall down, and the coal briquette after falling falls into the output end of the belt conveyor.
In order to solve the technical problem of driving the two bottom plates 4a to flip downwards, as shown in fig. 8, 9 and 10, the following technical solutions are provided:
the board subassembly that turns over includes:
the slot frame 4b is positioned on one side of the surrounding frame 2a, a sliding block 4b1 is arranged on the slot frame 4b, the slot frame 4b is connected with the surrounding frame 2a in a sliding mode through a sliding block 4b1, and the connecting rods 4a1 of the two bottom plates 4a are connected with the slot frame 4b in a sliding mode;
the longitudinal movement driving component 4c is arranged on one side of the surrounding frame 2a, and the output end of the longitudinal movement driving component 4c is connected with the slot frame 4 b;
specifically, the plate turnover assembly starts to work, the output end of the longitudinal movement driving assembly 4c drives the trough frame 4b to descend, the trough frame 4b drives the two connecting rods 4a1 to descend along with the two connecting rods 4a, the two connecting rods 4a1 are far away from each other in the descending process, the two bottom plates 4a are oppositely opened, the coal blocks inside the surrounding frame 2a lose support and start to fall down, the coal blocks after falling fall into the output end of the belt conveyor, and the sliding block 4b1 is used for guiding the moving direction of the trough frame 4 b.
In order to solve the technical problem of driving the longitudinal movement of the slot frame 4b, as shown in fig. 11, the following technical solutions are provided:
the longitudinal movement driving unit 4c includes:
a screw cylinder 4c1 disposed on the side wall of the surrounding frame 2a, the screw cylinder 4c1 being rotatably connected to the surrounding frame 2 a;
the threaded rod 4c2, the threaded rod 4c2 and the threaded cylinder 4c1 are in threaded connection, and the bottom end of the threaded rod 4c2 is fixedly connected with the groove frame 4 b;
a servo motor 4c3 arranged outside the surrounding frame 2a, wherein the output end of the servo motor 4c3 is connected with the screw cylinder 4c 1;
specifically, the longitudinal movement driving assembly 4c starts to work, the output end of the servo motor 4c3 drives the screw cylinder 4c1 to rotate, the moving direction of the slot frame 4b is limited, the screw cylinder 4c1 drives the slot frame 4b to descend along with the screw cylinder 4c2 in the rotating process, the slot frame 4b drives the two connecting rods 4a1 to descend along with the screw cylinder 4c2, the two connecting rods 4a1 are far away from each other in the descending process, the two bottom plates 4a are oppositely opened, coal blocks surrounding the inner part of the frame 2a lose support and fall, and the coal blocks falling behind fall into the output end of the belt conveyor.
In order to solve the technical problem of fixing the discharging position of the skip car 2, as shown in fig. 12 and 13, the following technical solutions are provided:
the speed reducing mechanism 5 includes:
the turnover curved rod 5a is positioned at one side of the surrounding frame 2a, and the bending of the turnover curved rod 5a is hinged to the side wall of the surrounding frame 2 a;
the rubber sheet 5b is arranged at the output end of the turnover curved rod 5a and is fixedly connected with the turnover curved rod;
the fixed end of the second electric push rod 5c is hinged with the side wall of the surrounding frame 2a, and the output end of the second electric push rod 5c is hinged with the stressed end of the rubber sheet 5 b;
concretely, when skip 2 is about to reach the material discharging point, two retarding mechanism 5 begin work simultaneously, the output of second electric putter 5c promotes upset knee 5 a's atress end, upset knee 5a begins to overturn downwards, paste second electric putter 5c tightly on track 1 until upset knee 5 a's output, and rolling cable wire 2 c's rolling machine stop work, through retarding mechanism 5 to skip 2 stop and the deceleration process in advance, it is too big to have avoided the cable wire atress that the direct pause drive of rolling machine leads to, the life of having prolonged the cable wire has avoided the scram condition simultaneously.
In order to solve the technical problem, as shown in fig. 14, the following technical solutions are provided:
the material receiving vehicle further comprises: an early warning mechanism 7;
the early warning mechanism 7 includes:
the distance sensor 7a is arranged on the side wall of the skip car 2, and the output end of the distance sensor 7a is consistent with the feeding direction of the skip car 2;
a plurality of limit stop levers 7b are arranged along the path of the track 1;
specifically, each limit stop lever 7b corresponds to the belt conveyor 6 of one discharging point, when the next discharging point of the skip 2 is determined, the limit stop lever 7b at the discharging point needs to be in a working state in advance, the distance sensor 7a continuously approaches to the point discharging point in the process that the skip 2 conveys the coal blocks along the track 1, when the distance sensor 7a detects that the working part of the limit stop lever 7b is in a first detection range, the distance sensor 7a sends a signal to the controller, the controller opens the speed retarding mechanism 5 to perform speed retarding braking operation in advance through the speed retarding mechanism 5, when the distance sensor 7a detects that the working part of the limit stop lever 7b and the self enter a second detection range, the winding machine of the steel cable 2c stops working, the 2a0 immediately stops moving continuously, the skip 2 stops completely and is positioned at the feeding end of the belt conveyor 6 of the discharging point, the skip car 2 is braked and decelerated in advance through the retarding mechanism 5, and then the winder is driven for a pause so that the 2a0 can be braked and stopped smoothly, the service life of the steel cable is prolonged, and meanwhile, the emergency stop condition is avoided.
In order to solve the technical problem of early warning a discharging point of the skip car 2, as shown in fig. 15, the following technical scheme is provided:
the limit lever 7b includes:
a fixed frame 7b1 arranged on the track 1;
the pushing cylinder 7b2 is arranged on the fixed frame 7b1 and is fixedly connected with the fixed frame;
a baffle 7b3 arranged at the output end of the pushing cylinder 7b 2;
the limiting rod 7b4 is arranged on the baffle 7b3, and the baffle 7b3 is connected with the fixed frame 7b1 in a sliding way;
specifically, each limit stop lever 7b corresponds to the belt conveyor 6 of one discharging point, when the next discharging point of the skip car 2 is determined, the limit stop lever 7b at the discharging point needs to be in an operating state in advance, the output end of the pushing cylinder 7b2 pushes the stop plate 7b3 to enable the stop plate 7b3 to be in an extending state, so that the distance sensor 7a can detect the existence of the stop plate 7b3 in the process of moving and approaching along with the skip car 2, the distance sensor 7a continuously approaches a point discharging point in the process of conveying coal blocks along the track 1, when the distance sensor 7a detects that the stop plate 7b3 is in a first detection range, the distance sensor 7a sends a signal to the controller, the controller opens the retarding mechanism 5, performs retarding braking stopping operation in advance through the retarding mechanism 5, and when the distance between the distance sensor 7a and the stop plate 7b3 is detected by the distance sensor 7a to enter a second detection range, the winder for winding the steel cable 2c stops working, 2a0 stops moving continuously immediately, the skip 2 stops completely and is positioned at the feeding end of the belt conveyor 6 at the discharging point, the skip 2 is braked and decelerated in advance through the decelerating mechanism 5, then the winder stops driving in a pause mode to enable 2a0 to brake stably, the service life of the steel cable is prolonged, meanwhile, the emergency stop situation is avoided, after the discharging mechanism 4 completes discharging in cooperation with the skip 2, the limiting stop lever 7b starts working, the output end of the pushing cylinder 7b2 pulls the baffle 7b3 to recover, the limiting lever 7b4 is used for guiding the moving direction of the baffle 7b3, and the fixing frame 7b1 is used for fixed support.
The invention can completely collect the coal blocks by arranging the track 1, the skip car 2, the material guide mechanism 3, the discharging mechanism 4 and the retarding mechanism 5, the coal blocks are conveyed and discharged at fixed points, the coal blocks can be contained and conveyed through the arrangement of the skip car 2 and the discharging mechanism 4, the coal briquettes can be quickly dumped in the discharging process, the coal briquette retention problem is avoided, the coal briquettes can be guided to smoothly enter the skip car 2 through the arrangement of the material guiding mechanism 3, and the coal blocks are prevented from being overturned in the process of conveying the coal blocks, and through the arrangement of the retarding mechanism 5, can be decelerated in advance when the material discharging point is about to be reached, the phenomenon that the skip car 2 overturns or the structure is damaged due to sudden braking is avoided, and through the arrangement of the early warning mechanism 7, the working time of the retarding mechanism 5 can be controlled in advance, and inaccurate operation caused by manual control of workers is avoided.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A mobile skip for a opencast coal mine, comprising:
a rail (1);
the skip car (2) is arranged on the track (1), and the skip car (2) is used for conveying the coal blocks;
the material guide mechanism (3) is arranged on the skip car (2), and the material guide mechanism (3) is used for guiding the coal blocks fed by the transfer machine;
the discharging mechanism (4) is arranged at the bottom of the skip car (2), and the discharging mechanism (4) is used for carrying and discharging the coal blocks in the skip car (2);
the retarding mechanisms (5) are respectively arranged on two sides of the skip car (2), and the retarding mechanisms (5) are used for limiting the position of the skip car (2).
2. A mobile skip for a opencut coal mine according to claim 1, characterized in that the skip (2) comprises:
the discharging mechanism (4) is arranged at the bottom of the surrounding frame (2 a);
four rail wheels (2b), wherein the four rail wheels (2b) are respectively arranged at four corners below the surrounding frame (2a), and the rail wheels (2b) are rotatably connected with the surrounding frame (2 a);
the steel cable (2c), the steel cable (2c) is connected with the side wall of the surrounding frame (2a), and two ends of the steel cable (2c) are respectively connected with the winding machine.
3. A mobile hopper car for a opencut coal mine according to claim 2, wherein the material guide means (3) comprises:
a hinge base (3a) which is arranged on the side wall of the surrounding frame (2a) and is hinged with the surrounding frame;
the fixing part of the first electric push rod (3b) is connected with the hinge seat (3 a);
the material cover (3c) is arranged at the top of the surrounding frame (2a), and the output end of the first electric push rod (3b) is connected with the movable end of the material cover (3 c).
4. A mobile hopper car for a opencut coal mine according to claim 3, wherein the hopper (3c) comprises:
a hinge lever (3c1) provided at one side of the top of the surrounding frame (2a) and hinged thereto;
the steel frame (3c2) is positioned at the top of the surrounding frame (2a), the steel frame (3c2) is fixedly connected with the hinge rod (3c1), and the output end of the first electric push rod (3b) is connected with the steel frame (3c 2);
the canvas (3c3), the steel frame (3c2) and the surrounding frame (2a) are connected through the canvas (3c 3).
5. A mobile hopper car for a opencut coal mine according to claim 2, characterized in that the discharge mechanism (4) comprises:
the two bottom plates (4a) are symmetrically arranged at the bottom of the surrounding frame (2a), the bottom plates (4a) are hinged with the surrounding frame (2a), and the bottom plates (4a) are provided with connecting rods (4a 1);
the two turning plate assemblies are respectively arranged at two sides of the surrounding frame (2a), and the output ends of the turning plate assemblies are respectively connected with connecting rods (4a1) of the two bottom plates (4 a).
6. A mobile skip for a opencut coal mine according to claim 5, wherein the flap assembly comprises:
the groove frame (4b) is positioned on one side of the surrounding frame (2a), a sliding block (4b1) is arranged on the groove frame (4b), the groove frame (4b) is in sliding connection with the surrounding frame (2a) through the sliding block (4b1), and the connecting rods (4a1) of the two bottom plates (4a) are in sliding connection with the groove frame (4 b);
and the longitudinal movement driving component (4c) is arranged on one side of the surrounding frame (2a), and the output end of the longitudinal movement driving component (4c) is connected with the slot frame (4 b).
7. A mobile hopper car for a opencut coal mine according to claim 6 wherein the longitudinal drive assembly (4c) includes:
a screw cylinder (4c1) arranged on the side wall of the surrounding frame (2a), wherein the screw cylinder (4c1) is rotatably connected with the surrounding frame (2 a);
the threaded rod (4c2), the threaded rod (4c2) is in threaded connection with the threaded cylinder (4c1), and the bottom end of the threaded rod (4c2) is fixedly connected with the groove frame (4 b);
and a servo motor (4c3) arranged outside the surrounding frame (2a), wherein the output end of the servo motor (4c3) is connected with the screw cylinder (4c 1).
8. A mobile skip car for a opencast coal mine according to claim 2, characterized in that the slowing means (5) comprise:
the turnover curved rod (5a) is positioned on one side of the surrounding frame (2a), and the bending of the turnover curved rod (5a) is hinged to the side wall of the surrounding frame (2 a);
the rubber sheet (5b) is arranged at the output end of the turnover curved rod (5a) and is fixedly connected with the turnover curved rod;
the fixed end of the second electric push rod (5c) is hinged with the side wall of the surrounding frame (2a), and the output end of the second electric push rod (5c) is hinged with the stressed end of the rubber sheet (5 b).
9. A mobile hopper car for a opencast coal mine according to claim 1 wherein the hopper car further comprises: an early warning mechanism (7);
the early warning mechanism (7) comprises:
the distance sensor (7a) is arranged on the side wall of the skip car (2), and the output end of the distance sensor (7a) is consistent with the feeding direction of the skip car (2);
the limiting stop rods (7b) are multiple, and the limiting stop rods (7b) are arranged along the route of the track (1).
10. A mobile hopper car for a opencast coal mine according to claim 9 wherein the check link (7b) comprises:
a fixing frame (7b1) arranged on the track (1);
the pushing cylinder (7b2) is arranged on the fixed frame (7b1) and is fixedly connected with the fixed frame;
a baffle (7b3) arranged at the output end of the pushing cylinder (7b 2);
and the limiting rod (7b4) is arranged on the baffle (7b3), and the baffle (7b3) is connected with the fixed frame (7b1) in a sliding way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210095528.6A CN114275479A (en) | 2022-01-26 | 2022-01-26 | Movable type material receiving vehicle for open pit coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210095528.6A CN114275479A (en) | 2022-01-26 | 2022-01-26 | Movable type material receiving vehicle for open pit coal mine |
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| CN114275479A true CN114275479A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210095528.6A Pending CN114275479A (en) | 2022-01-26 | 2022-01-26 | Movable type material receiving vehicle for open pit coal mine |
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