CN218619311U - Control system for bar-shaped coal yard telescopic dust suppression device - Google Patents
Control system for bar-shaped coal yard telescopic dust suppression device Download PDFInfo
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- CN218619311U CN218619311U CN202223326802.0U CN202223326802U CN218619311U CN 218619311 U CN218619311 U CN 218619311U CN 202223326802 U CN202223326802 U CN 202223326802U CN 218619311 U CN218619311 U CN 218619311U
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Abstract
The utility model discloses a control system of a telescopic dust suppression device of a bar-shaped coal yard, which comprises a cantilever stacker, a scraper reclaimer, a telescopic dust suppression device, a photoelectric encoder and a PLC controller; the telescopic dust suppression device comprises a telescopic cover, the extension or the shortening of the telescopic cover is controlled by a hoisting device, and the upper end of the telescopic cover is connected with a discharge hole of the cantilever stacker; the cantilever stacker and the scraper reclaimer are provided with a traveling driving mechanism and a photoelectric encoder, and the winch is also provided with the photoelectric encoder; the walking driving mechanism and the photoelectric encoder are both connected with the PLC. The system collects the moving distance and the moving direction of each vehicle body through the photoelectric encoder, and transmits data collected by the photoelectric encoder to the master control room PLC through cables, the PLC provides nodes and limits the motor of the device driving mechanism to rotate forwards or backwards according to specific logic in a remote mode, so that the telescopic dust suppression device is prevented from being not withdrawn and colliding with the material taking machine portal frame, the problem of accident potential is solved, and meanwhile, the labor cost is not increased.
Description
Technical Field
The utility model relates to a material piling technical field is got in the coal yard, concretely relates to flexible dust suppression device control system in bar coal yard.
Background
In a bar coal yard, the vertical clearance distance between a cantilever stacker and the upper part of a portal frame of a scraper reclaimer is smaller (only about 3 m), and if a telescopic dust suppression device is additionally arranged, when the device is not withdrawn (all the devices are loosened by about 18 m) and the cantilever stacker and the scraper reclaimer move and are staggered, the telescopic dust suppression device collides with the portal frame of the reclaimer, thereby causing accidents.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem among the prior art, provide a flexible dust suppression device control system in bar coal yard, need not artifical control, but the collaborative relation between each device of automatic monitoring and adjustment.
The technical scheme of the utility model elaborates as follows:
a control system of a telescopic dust suppression device of a strip-shaped coal yard comprises a cantilever stacker, a scraper reclaimer, the telescopic dust suppression device, a photoelectric encoder and a PLC (programmable logic controller), wherein a central retaining wall is arranged along the central axis of the strip-shaped coal yard, a first rail is arranged at the top of the central retaining wall and used for the cantilever stacker to travel, and second rails are arranged on two side edges of the central retaining wall at a position lower than the first rail; a third track is arranged along two side edges of the strip-shaped coal yard in parallel with the central retaining wall; the second track and the third track are jointly used for the scraper reclaimer to walk;
the telescopic dust suppression device comprises a telescopic cover, the extension or the shortening of the telescopic cover is controlled by a winding device, and the upper end of the telescopic cover is connected with the discharge hole of the cantilever stacker;
the cantilever stacker is provided with a first walking driving mechanism and a first photoelectric encoder, the scraper reclaimer is provided with a second walking driving mechanism and a second photoelectric encoder, and the winch device is provided with a third photoelectric encoder; the first walking driving mechanism, the second walking driving mechanism, the first photoelectric encoder, the second photoelectric encoder, the third photoelectric encoder and the PLC.
Optionally or preferably, in the control system for the strip-shaped coal yard telescopic dust suppression device, the scraper reclaimer comprises a scraper arm, a gantry and a traveling mechanism, the traveling mechanism comprises a fixed end beam, a fixed end beam driving device, a swinging end beam and a swinging end beam driving device, the scraper arm is connected with the fixed end beam, the fixed end beam is connected with one end of the gantry, the other end of the gantry is connected with the swinging end beam, the fixed end beam is driven by the fixed end beam driving device to travel on the third track, and the swinging end beam is driven by the swinging end beam driving device to travel on the second track; the fixed end beam driving device and the swinging end beam driving device form a second walking driving mechanism, and the second photoelectric encoder is arranged on the fixed end beam.
Optionally or preferably, in the control system of the bar-shaped coal yard telescopic dust suppression device, the number of the scraper reclaimers is two, and the two scraper reclaimers are respectively and symmetrically arranged on the second rail and the third rail on two sides of the central retaining wall.
Optionally or preferably, in the control system of the bar-shaped coal yard telescopic dust suppression device, the telescopic dust suppression device further comprises a spraying device, the spraying device comprises nozzles, and the nozzles are respectively located at the top and the bottom of the telescopic cover.
Optionally or preferably, in the control system of the bar-shaped coal yard telescopic dust suppression device, the first and second traveling driving mechanisms and the first to third photoelectric encoders are connected with a PLC controller through cables.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a flexible dust suppression device control system in bar coal yard, through the scraper blade reclaimer in the coal yard, install photoelectric encoder on the walking drive mechanism of cantilever stocker and the flexible dust suppression device's of cantilever stocker hoisting device additional, gather the displacement and the direction of each automobile body, and pass through cable transport to master control room PLC controller with the data that photoelectric encoder gathered, the PLC controller provides the node and restricts the motor corotation or the reversal of equipment actuating mechanism according to specific logic distant place, thereby avoid flexible dust suppression device not withdraw with the collision of reclaimer portal. When the distance between the scraper reclaimer and the cantilever stacker is smaller than a set value, the telescopic dust suppression covers are required to be retracted so as not to collide with each other when passing through the vehicle. When the distance between the devices is smaller than a set value, the device which is walking along the original direction can not continue to advance along the direction, and the PLC program disconnects the direction control loop, can only walk along the reverse direction, and plays a role in protection. The control system can automatically monitor the distance between each device and automatically control the distance, thereby solving the hidden trouble of accidents and simultaneously not increasing the labor cost.
Drawings
FIG. 1 is a side view of a display of the operation of a retractable dust suppression apparatus control system in a strip coal plant;
FIG. 2 is a top view of a display of the operation of the retractable dust suppressing apparatus in a strip coal plant;
FIG. 3 is a front view of a display diagram of the operation of the retractable dust suppressing apparatus in a strip coal plant;
FIG. 4 is a schematic diagram of a control system of a telescopic dust suppression device of a strip coal plant;
FIG. 5 is a logic diagram of a control system of the telescopic dust suppression device in a strip coal plant.
In the figure:
1-cantilever stocker, 2-scraper reclaimer, 21-scraper arm, 22-gantry, 23-fixed end beam, 24-swing end beam, 3-telescopic dust suppression device, 4-photoelectric encoder, 6-central retaining wall, 61-first track, 62-second track, 7-third track.
Detailed Description
The technical solutions of the present invention will be explained and illustrated in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it.
Referring to fig. 1-3, a control system for a bar-shaped coal yard telescopic dust suppression device includes a cantilever stocker 1, a scraper reclaimer 2, a telescopic dust suppression device 3, a photoelectric encoder 4, and a PLC controller.
The strip coal factory is a large coal yard, the total length is 360 meters, the width is 112 meters, and the occupied area is 4 ten thousand square meters. The strip-shaped coal yard is built by an arched shed roof, a central retaining wall 6 is arranged in the strip-shaped coal yard along the central axis, the central retaining wall 6 is about 26.5 meters high, and a first track 61 is arranged at the top of the strip-shaped coal yard and used for the cantilever stacker 1 to walk; the central retaining wall 6 is provided with second rails at both sides of a position lower than the first rail 61 (about 17 m high). And a third rail 7 is arranged on the strip-shaped coal yard along two side edges and is parallel to the central retaining wall 6, and the second rail 62 and the third rail 7 are used for the scraper reclaimer 2 to travel together.
The scraper reclaimer 2 is divided into two parts which are arranged on two sides of the central retaining wall 6. The flight reclaimer 2 includes a flight arm 21, a gantry 22, and a traveling mechanism. The traveling mechanism comprises a fixed end beam 23, a fixed end beam driving device, a swinging end beam 24 and a swinging end beam driving device, the scraper arm 21 is connected with the fixed end beam 23, the fixed end beam 23 is connected with one end of a portal frame 22, and the other end of the portal frame 22 is connected with the swinging end beam 24. Wherein the fixed end beam 23 is driven by the fixed end beam driving device to travel on the third track 7, and the swinging end beam 24 is driven by the swinging end beam driving device to travel on the second track 62. The fixed end beam driving device and the swinging end beam driving device form a second walking driving mechanism. The scraper reclaimer 2 is also provided with a second photoelectric encoder, and the second photoelectric encoder is preferably installed on the fixed end beam 23. And the second walking driving mechanism and the second photoelectric encoder are connected with the PLC through cables.
The cantilever stacker 1 is provided with a first walking driving mechanism and a first photoelectric encoder, and the first walking driving mechanism and the first photoelectric encoder are connected with the PLC through cables. The cantilever stacker 1 is provided with a discharge hole.
The telescopic dust suppression device 3 comprises a telescopic cover, the telescopic cover is controlled to extend or shorten by a winding device, and the upper end of the telescopic cover is connected with a discharge hole of the cantilever stacker 1. The telescopic dust suppression device 3 further comprises a spraying device, wherein the spraying device comprises nozzles which are respectively positioned at the top and the bottom of the telescopic cover. The winding device is provided with a third photoelectric encoder, and the third photoelectric encoder is connected with the PLC through a cable. The telescopic dust suppression device 3 walks along with the cantilever stacker 1.
The working principle is as follows:
because the coal material is fine in particle and low in water content, and the coal material is dropped into the coal yard from a position of about 30 meters through the discharge hole of the cantilever stacker, a large amount of dust can be generated, the air environment in the coal yard is seriously influenced, and the health of operation and maintenance personnel is harmed. Therefore, the telescopic dust suppression device 3 is additionally arranged at the discharge hole of the cantilever stacker, and the coal scattering path is limited by the telescopic cover. Coal material is added with spray water through a spraying device at the top of the telescopic cover to enable coal powder to be settled under the dead weight, and water drops are collided with the coal powder and then intercepted by adding the spray water at the bottom of the telescopic cover.
During the respective walking processes of the cantilever stacker 1 and the scraper reclaimer 2, the telescopic cover cannot be always in an extended state, otherwise, the telescopic cover collides with the door frame 22. Therefore, through the control system, the moving positions and the moving directions of the two scraper reclaimers 2 and the cantilever stacker 1 in the coal yard are collected by utilizing the photoelectric encoder, the data collected by the photoelectric encoder are transmitted to the PLC controller positioned in the main control room through a cable, the PLC controller provides nodes and limits the first and second walking driving mechanisms and the motor of the hoisting device to rotate forwards or backwards according to a specific logic distance, and therefore the telescopic cover of the telescopic dust suppression device 3 is prevented from not being withdrawn and colliding with the gantry 22.
Referring to fig. 4 and 5, when the distance between the flight reclaimer 2 and the boom stacker 1 is less than a set value, the telescopic covers must be retracted so as not to collide with each other across the cars (see fig. 1, 2, 3). When the distance between the devices is smaller than a set value, the devices walking in the original direction can not continue to advance along the direction, and the PLC program disconnects the direction control loop and can only walk along the reverse direction, so that the protection effect is achieved.
The distances of the photoelectric encoder acquisition positions corresponding to the first scraper reclaimer, the cantilever stacker 1 and the second scraper reclaimer relative to the rightmost car bumper are respectively
See fig. 2.
(1) When in use
Or
Greater than the set value (see fig. 1)
) At the moment, the telescopic cover can normally walk without retracting all the equipment;
(2) When the telescopic cover on the cantilever stacker 1 is retracted, the length L of the telescopic cover 4 When the current value is less than the set value, the current value is in a safe state, and all equipment can normally walk;
(3) When in use
Or
Less than the set value (see fig. 1)
) And the telescopic cover is required to be retracted to the top end, namely L4 is required to be smaller than a set value, the vehicle can be continuously driven, otherwise, the vehicle can be driven in the opposite direction.
The utility model discloses a dust fall when setting up the flexible dust suppression device that has spray set and flexible cover and realizing coal yard unloading. Compared with the coal yard which is completely installed for spraying, the high-altitude operation construction risk is reduced, the number of nozzles is greatly saved, and the coal material is prevented from being affected by damp and burning and the coal slime water causes environmental pollution. Meanwhile, the photoelectric encoder and the traveling driving mechanism are matched with the PLC to realize full-automatic monitoring and coordination operation, and the labor cost is not increased. The invention concept is explained in detail by using specific embodiments, and the above description of the embodiments is only used to help understand the core idea of the present invention. It should be understood that any obvious modifications, equivalents and other improvements made by those skilled in the art without departing from the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A control system of a bar-shaped coal yard telescopic dust suppression device is characterized by comprising a cantilever stacker, a scraper reclaimer, a telescopic dust suppression device, a photoelectric encoder and a PLC (programmable logic controller), wherein a central retaining wall is arranged along the central axis of the bar-shaped coal yard, a first rail is arranged at the top of the central retaining wall and used for the cantilever stacker to walk, and second rails are arranged on two side edges of the central retaining wall at a position lower than the first rail; a third track is arranged on the two side edges of the strip-shaped coal yard in parallel with the central retaining wall; the second track and the third track are jointly used for the scraper reclaimer to walk;
the cantilever stacker is provided with a discharge hole, the telescopic dust suppression device comprises a telescopic cover, the telescopic cover is controlled to extend or shorten by a winding device, and the upper end of the telescopic cover is connected with the discharge hole of the cantilever stacker;
the cantilever stacker is provided with a first walking driving mechanism and a first photoelectric encoder, the scraper reclaimer is provided with a second walking driving mechanism and a second photoelectric encoder, and the winch device is provided with a third photoelectric encoder; the first walking driving mechanism, the second walking driving mechanism, the first photoelectric encoder, the second photoelectric encoder, the third photoelectric encoder and the PLC.
2. The strip coal yard telescopic dust suppression device control system as claimed in claim 1, wherein said scraper reclaimer comprises a scraper arm, a gantry and a traveling mechanism, said traveling mechanism comprises a fixed end beam, a fixed end beam driving device, a swinging end beam and a swinging end beam driving device, the scraper arm is connected with the fixed end beam, the fixed end beam is connected with one end of the gantry, the other end of the gantry is connected with the swinging end beam, wherein the fixed end beam is driven by the fixed end beam driving device to travel on a third track, and the swinging end beam is driven by the swinging end beam driving device to travel on a second track; the fixed end beam driving device and the swinging end beam driving device form a second walking driving mechanism, and the second photoelectric encoder is arranged on the fixed end beam.
3. The control system of the strip-shaped coal yard telescopic dust suppression device as claimed in claim 2, wherein the number of the scraper reclaimers is two, and the two scraper reclaimers are respectively symmetrically arranged on the second rail and the third rail on two sides of the central retaining wall.
4. The telescopic dust suppression device control system for the strip coal yard of claim 1, wherein the telescopic dust suppression device further comprises a spraying device, the spraying device comprises nozzles, and the nozzles are respectively located at the top and the bottom of the telescopic cover.
5. The control system for the telescopic dust suppression device of the strip coal yard according to claim 1, wherein the first walking driving mechanism, the second walking driving mechanism, the first photoelectric encoder, the second photoelectric encoder, the third photoelectric encoder and the fourth walking driving mechanism are connected with a PLC through cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223326802.0U CN218619311U (en) | 2022-12-12 | 2022-12-12 | Control system for bar-shaped coal yard telescopic dust suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223326802.0U CN218619311U (en) | 2022-12-12 | 2022-12-12 | Control system for bar-shaped coal yard telescopic dust suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218619311U true CN218619311U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223326802.0U Active CN218619311U (en) | 2022-12-12 | 2022-12-12 | Control system for bar-shaped coal yard telescopic dust suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218619311U (en) |
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2022
- 2022-12-12 CN CN202223326802.0U patent/CN218619311U/en active Active
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