CN115822695A - Multistage series transfer transportation coal mining method - Google Patents
Multistage series transfer transportation coal mining method Download PDFInfo
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- CN115822695A CN115822695A CN202211588836.9A CN202211588836A CN115822695A CN 115822695 A CN115822695 A CN 115822695A CN 202211588836 A CN202211588836 A CN 202211588836A CN 115822695 A CN115822695 A CN 115822695A
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Abstract
The invention belongs to the technical field of coal mine tunneling transportation, and particularly relates to a multistage series transfer transportation coal mining method. Comprising the following steps, S1: a plurality of groups of transshipment mechanism units which have the telescopic function and can move automatically are sequentially connected end to end behind the tunneling equipment, and the transshipment mechanism units move along with the advancing of the tunneling equipment; s2: measuring the distance between the front end of the transfer mechanism unit at the head end and the tunneling equipment in real time through a distance sensor; s3: a unit workshop docking sensor and a unit workshop distance sensor are arranged at the docking position of two adjacent groups of transfer mechanism units; s4: monitoring and counting the transported coal amount in real time through a conveying amount monitoring device arranged on the transshipment mechanism unit; s5: the distance between the transfer mechanism unit and the roadway wall is measured in real time through a device for measuring the distance between the bicycle and the roadway wall arranged on two sides of the transfer mechanism unit; s6: the transfer mechanism unit at the tail part is connected with the transfer belt conveyor to transfer coal onto the transfer belt conveyor.
Description
Technical Field
The invention belongs to the technical field of coal mine tunneling transportation, and particularly relates to a multistage series transfer transportation coal mining method.
Background
The reversed loader is a device for underground mining of coal mine, one end of the reversed loader is overlapped with a conveyor of a working face, and the other end of the reversed loader is connected with a tail of a belt conveyor. The coal conveyor is used in the matching of three machines in large-scale fully mechanized mining technology, and the coal conveyed out by the scraper conveyor on the mining surface is lifted by a roadway bottom plate and then transferred to the belt conveyor. The general transfer mechanism has the problem of being difficult to move, application number is 201922478228.2, a portable belt transfer machine of track has disclosed in the pit, including the aggregate funnel, first bridge type frame, second bridge type frame, from removing the subassembly, from removing the track, make level the shovel board, first transfer frame, second transfer frame, first belt transfer machine body, unloading end and unloading subassembly, the second transfer frame is installed through bolt fixed to one side of first belt transfer machine body, the outside of second transfer frame is through bolt fixed mounting has first transfer frame, the one end of first transfer frame is through bolt fixed mounting has second bridge type frame. Although the belt conveyor can be displaced, the length of the belt conveyor is fixed, and the usable scenes are limited.
Therefore, when underground mining operation is carried out, after the mining of the tunneling mechanism is finished, the mined coal mine needs to be transported to the reversed loader by the excavator through the transporting equipment and then transported to the conveyor by the reversed loader. The coal mining transportation process is complicated, an excavator is required to be equipped during coal seam mining, and the transfer efficiency is reduced.
Disclosure of Invention
The invention provides a multistage series transfer transportation coal mining method, aiming at solving the problems of complicated process and low working efficiency of the existing transfer conveyor in the coal mining transfer transportation process.
The invention adopts the following technical scheme: a multi-stage series transfer transportation coal mining method comprises the following steps,
s1: sequentially connecting a plurality of groups of transshipment mechanism units which have a telescopic function and can move automatically behind the tunneling equipment end to end, wherein the transshipment mechanism units move along with the advancing of the tunneling equipment;
s2: the distance between the front end of the transfer mechanism unit at the head end and the tunneling equipment is measured in real time through a distance sensor, and the transfer mechanism unit at the head end and the tunneling equipment keep a proper distance, so that the tunneling equipment can directly transfer the mined coal to the transfer mechanism unit at the head end;
s3: a unit workshop docking sensor and a unit workshop distance sensor are arranged at the docking position of two adjacent groups of transshipment mechanism units, the unit workshop docking sensor controls the docking position of the two groups of transshipment mechanism units to be correct, and the unit workshop distance sensor controls the distance between the two groups of transshipment mechanism units to meet the requirement of no coal falling during transportation;
s4: monitoring and counting the transported coal amount in real time through a conveying amount monitoring device arranged on the transshipment mechanism unit;
s5: the distance between the transfer mechanism unit and the roadway wall is measured in real time through a device for measuring the distance between the bicycle and the roadway wall arranged on two sides of the transfer mechanism unit;
s6: the transfer mechanism unit at the tail part is connected with the transfer belt conveyor to transfer coal to the transfer belt conveyor.
The transshipment mechanism unit comprises a walking part, a rotating unit is arranged on the walking part, a rotating platform assembly is installed on the rotating unit, one end of the rotating platform assembly is a receiving part, the other end of the rotating platform assembly is sequentially connected with a first-stage telescopic unit and a second-stage telescopic unit, and the end part of the second-stage telescopic unit is installed on the follow-up support and is connected with a third-stage telescopic end element.
In the step S1, when the tunneling equipment moves forwards, the first group of transfer mechanism units move forwards synchronously along with the tunneling equipment, and the first group of transfer mechanism units are connected between the tunneling equipment and the coal transfer and transfer belt conveyor; when the first group of transfer mechanism units extend to the longest distance, the second group of transfer mechanism units are connected between the tail of the first group of transfer mechanism units and the coal transfer and transfer belt conveyor in a follow-up manner; and the transfer mechanism units of the subsequent group use the same method to connect the tunneling equipment with the coal transfer operation belt conveyor.
In the step S2, the distance sensor specifically measures the distance between the discharge port of the tunneling device and the material receiving part, and the distance meets the requirement that the coal at the discharge port falls into the material receiving part.
In the step S3, the unit workshop docking sensor is a visual acquisition device, the visual acquisition device acquires adjacent images, then the images are processed, whether the docking positions of the two adjacent transferring mechanism units meet the requirements or not is judged, and the judgment result is sent to a worker.
And in the step S3, a point-to-point wireless distance measuring sensor is arranged between the distance sensors of the unit workshops, the wireless distance measuring sensor measures the distance between the tail part of the front transfer mechanism unit and the material receiving part of the rear transfer mechanism unit, the distance is within a set threshold range, and if the distance exceeds the set threshold range, a signal is sent to a worker.
In the step S4, the conveying capacity monitoring device is a visual acquisition device, and the visual acquisition device is used for counting the quantity of the transported coal by monitoring the conveying section.
In the step S4, the conveying quantity monitoring device is a belt scale, and the belt scale directly counts the quantity of the transported coal.
And in the step S5, the distance measuring device between the bicycle and the roadway wall is an ultrasonic and laser distance measuring device, the distance between the transfer mechanism unit and the coal wall side wall is acquired in real time, and when the distance does not meet the safety requirement, a signal is sent to a worker.
And a visual acquisition device is arranged on the transfer mechanism unit at the tail end, acquires images to judge whether a discharge port of the transfer mechanism unit at the tail part is overlapped on the coal transfer and transportation transfer belt conveyor or not, and sends a signal to a worker if the discharge port of the transfer mechanism unit at the tail part is not overlapped on the coal transfer and transportation transfer belt conveyor.
Compared with the prior art, the invention has the following beneficial effects:
1) The whole process only needs 1 person of remote control operation, and intelligent degree is high, does not need artifical transport, adjustment, and workman intensity of labour reduces by a wide margin.
2) The telescopic belt reversed loader capable of moving is used for completing the coal transferring task in the tunnel opening construction process, continuous transportation is realized, the operation efficiency is improved, and further the economic benefit of a coal mine is improved.
Drawings
FIG. 1 is a schematic diagram of the connection of multiple groups of transfer mechanism units;
FIG. 2 is a schematic structural diagram of a transfer mechanism unit;
in the figure, 1-a distance sensor, 2-a unit workshop docking sensor, 3-a unit workshop distance sensor, 4-a single vehicle and a roadway side distance measuring device, 5-a discharging position measuring device, 6-a transshipment mechanism unit, 7-a data acquisition device, 8-a conveying amount monitoring device, 6.1-a walking part, 6.2-a turntable assembly, 6.3-a material receiving part, 6.4-a primary telescopic unit, 6.5-a secondary telescopic unit, 6.6-a tertiary telescopic unit and 6.7-a follow-up support.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A multistage series transfer transportation coal mining method comprises the following steps.
S1: and a plurality of groups of transfer mechanism units 6 which have a telescopic function and can move automatically are sequentially connected end to end behind the tunneling equipment, and the transfer mechanism units 6 move along with the advancing of the tunneling equipment.
As shown in fig. 2, the transfer mechanism unit 6 includes a traveling part 6.1, a rotating unit is arranged on the traveling part, a rotating platform assembly 6.2 is arranged on the rotating unit, one end of the rotating platform assembly 6.2 is a receiving part 6.3, the other end is sequentially connected with a first-stage telescopic unit 6.4 and a second-stage telescopic unit 6.5, and the end part of the second-stage telescopic unit 6.5 is arranged on a follow-up support 6.7 and is connected with a third-stage telescopic unit 6.6.
In the step S1, when the tunneling equipment moves forward, the first group of transfer mechanism units 6 move forward synchronously along with the tunneling equipment, and the first group of transfer mechanism units 6 are connected between the tunneling equipment and the coal transfer belt conveyor; when the first group of transfer mechanism units 6 extend to the longest distance, the second group of transfer mechanism units 6 are connected between the tail of the first group of transfer mechanism units and the coal transfer and transfer belt conveyor in a follow-up manner; the transfer mechanism units 6 of the subsequent group connect the tunneling equipment with the coal transfer belt conveyor by the same method.
S2: the distance between the front end of the head-end transfer mechanism unit 6 and the tunneling equipment is measured in real time through the distance sensor 1, and the head-end transfer mechanism unit 6 and the tunneling equipment keep a proper distance, so that the tunneling equipment can directly transfer the mined coal to the head-end transfer mechanism unit 6.
In the step S2, the distance sensor 1 specifically measures the distance between the discharge port of the tunneling device and the material receiving part 6.3, and the distance meets the requirement that the coal at the discharge port falls into the material receiving part.
S3: the butt joint positions of two adjacent groups of transshipment mechanism units 6 are provided with a unit workshop butt joint sensor 2 and a unit workshop distance sensor 3, the unit workshop butt joint sensor 2 controls the butt joint positions of the two groups of transshipment mechanism units 6 to be correct, and the unit workshop distance sensor 3 controls the distance between the two groups of transshipment mechanism units to meet the requirement of no coal breakage during transportation.
The unit workshop docking sensor 2 is a visual acquisition device which acquires adjacent images, then processes the images, judges whether the docking positions of the two adjacent transfer mechanism units meet requirements or not, and sends the judgment result to a worker.
And the unit workshop distance sensor 3 is a point-to-point wireless distance measuring sensor, the wireless distance measuring sensor measures the distance between the tail part of the front transfer mechanism unit and the material receiving part of the rear transfer mechanism unit, the distance is in a set threshold range, and if the distance exceeds the set threshold range, a signal is sent to a worker.
S4: the conveying quantity monitoring device 8 arranged on the transshipment mechanism unit is used for monitoring and counting the coal quantity in transportation in real time.
In some embodiments, the transportation amount monitoring device 8 is a visual collection device that counts the amount of transported coal by monitoring the transportation section.
In some embodiments, the transportation amount monitoring device 8 is a belt scale, and the belt scale directly transports the section statistics transportation coal amount.
S5: the distance between the transfer mechanism unit 6 and the roadway wall is measured in real time through the distance measuring device 4 between the bicycle and the roadway wall arranged on the two sides of the transfer mechanism unit 6.
The device 4 for measuring the distance between the bicycle and the roadway slope is an ultrasonic and laser distance measuring device, the distance between the transfer mechanism unit and the coal wall side slope is collected in real time, and when the distance does not meet the safety requirement, a signal is sent to a worker.
S6: the transfer mechanism unit at the tail part is connected with the transfer belt conveyor to transfer coal onto the transfer belt conveyor.
The distance sensor 1, the unit workshop docking sensor 2, the unit workshop distance sensor 3, the single vehicle and roadway side distance measuring device 4, the discharging position measuring device 5 and the conveying capacity monitoring device 8 are all connected with the data acquisition device 7, and the data acquisition device 7 transmits processed signals to workers.
And the unloading position measuring device is arranged on the transshipment mechanism unit at the tail end and adopts a visual acquisition device, and the acquired images judge whether a discharge port of the transshipment mechanism unit at the tail part is lapped on the coal transfer transportation belt conveyor or not, and if the discharge port of the transshipment mechanism unit at the tail part is not lapped on the coal transfer transportation belt conveyor, a signal is sent to a worker.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A multi-stage series transfer transportation coal mining method is characterized by comprising the following steps,
s1: a plurality of groups of transshipment mechanism units which have the telescopic function and can move automatically are sequentially connected end to end behind the tunneling equipment, and the transshipment mechanism units move along with the advancing of the tunneling equipment;
s2: the distance between the front end of the transfer mechanism unit at the head end and the tunneling equipment is measured in real time through a distance sensor, and the transfer mechanism unit at the head end and the tunneling equipment keep a proper distance, so that the tunneling equipment can directly transfer the mined coal to the transfer mechanism unit at the head end;
s3: a unit workshop docking sensor and a unit workshop distance sensor are arranged at the docking position of two adjacent groups of transshipment mechanism units, the unit workshop docking sensor controls the docking position of the two groups of transshipment mechanism units to be correct, and the unit workshop distance sensor controls the distance between the two groups of transshipment mechanism units to meet the requirement of no coal falling during transportation;
s4: monitoring and counting the transported coal amount in real time through a conveying amount monitoring device arranged on the transshipment mechanism unit;
s5: the distance between the transfer mechanism unit and the roadway side is measured in real time through a single vehicle and roadway side distance measuring device arranged on two sides of the transfer mechanism unit;
s6: the transfer mechanism unit at the tail part is connected with the transfer belt conveyor to transfer coal onto the transfer belt conveyor.
2. The coal mining method by multistage series transshipment transportation according to claim 1, wherein the transshipment mechanism unit comprises a walking part, a rotating unit is arranged on the walking part, a rotating table assembly is mounted on the rotating unit, one end of the rotating table assembly is a material receiving part, the other end of the rotating table assembly is sequentially connected with a first-stage telescopic unit and a second-stage telescopic unit, and the end part of the second-stage telescopic unit is mounted on the follow-up support and connected with a third-stage telescopic unit.
3. The multi-stage series transshipment transportation coal mining method according to claim 2, wherein in the step S1, when the heading equipment advances, the first group of transshipment mechanism units advances synchronously with the heading equipment, and the first group of transshipment mechanism units are connected between the heading equipment and the coal transfer transshipment belt conveyor; when the first group of transfer mechanism units extend to the longest distance, the second group of transfer mechanism units are connected between the tail of the first group of transfer mechanism units and the coal transfer and transfer belt conveyor in a follow-up manner; and the transfer mechanism units of the subsequent group use the same method to connect the tunneling equipment with the coal transfer operation belt conveyor.
4. The multi-stage series transshipment transportation coal mining method according to claim 2, wherein in the step S2, the distance sensor specifically measures a distance between a discharge port of the tunneling device and the receiving portion, and the distance is sufficient to enable coal at the discharge port to fall into the receiving portion.
5. The multi-stage series transshipment transportation coal mining method according to claim 1, wherein in the step S3, the unit workshop docking sensor is a visual acquisition device, the visual acquisition device acquires adjacent images, then processes the images, judges whether the docking positions of two adjacent transshipment mechanism units meet requirements, and sends the judgment result to a worker.
6. The multi-stage series transshipment transportation coal mining method according to claim 2, wherein in the step S3, the unit-to-unit distance sensor is a point-to-point wireless distance measuring sensor, the wireless distance measuring sensor measures the distance between the tail part of the front transshipment mechanism unit and the receiving part of the rear transshipment mechanism unit, the distance is within a set threshold range, and if the distance exceeds the set threshold range, a signal is sent to a worker.
7. The multi-stage series transshipment transportation coal mining method according to claim 1, wherein in the step S4, the transportation amount monitoring device is a visual collection device, and the visual collection device counts the transportation coal amount by monitoring the transportation section.
8. The multi-stage series transshipment transportation coal mining method according to claim 1, wherein in the step S4, the transportation amount monitoring device is a belt scale, and the belt scale directly counts the transportation coal amount.
9. The method for mining coal by multi-stage series transshipment transportation according to claim 1, wherein in the step S5, the distance measuring device for the single vehicle and the roadway side wall is an ultrasonic and laser distance measuring device, the distance between the transshipment mechanism unit and the coal wall side wall is collected in real time, and when the distance does not meet the safety requirement, a signal is sent to a worker.
10. The method for mining coal by multistage series transshipment and transportation as claimed in claim 1, wherein a vision acquisition device is arranged on the transshipment mechanism unit at the tail end, and the vision acquisition device acquires images to judge whether a discharge port of the transshipment mechanism unit at the tail part is overlapped on the coal transfer and transportation belt conveyor or not, and sends a signal to a worker if the discharge port of the transshipment mechanism unit at the tail part is not overlapped on the coal transfer and transportation belt conveyor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211588836.9A CN115822695A (en) | 2022-12-12 | 2022-12-12 | Multistage series transfer transportation coal mining method |
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| CN202211588836.9A CN115822695A (en) | 2022-12-12 | 2022-12-12 | Multistage series transfer transportation coal mining method |
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